M-1 Street Flooding Potential
by f2p2@udfcd.org
Time: 922 AM Fri June 30, 2023
Forecaster: Justin Brooks
-------------------------
MESSAGE 1
Flash Flood Prediction Program
-------------------------
STREET FLOODING POTENTIAL
We have determined that street and small stream flooding is possible
in the following counties: BOULDER (CITY OF BOULDER AFFECTED, FOUR
MILE BURN AREA AFFECTED), JEFFERSON, BROOMFIELD, DOUGLAS, ADAMS,
DENVER, ARAPAHOE
including: DIA, THE CITY OF AURORA, ARVADA, WHEAT RIDGE, LAKEWOOD
------------------------------------------------------------------------------
from: Current
to 600 PM
.
Prime time for flooding: Current
to 530 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Moderate to strong thunderstorm will have the
potential to produce rainfall rates of 0.5-1.5" in 10-30 minutes. A
nearly stationary strong thunderstorm will have the potential to
produce up to 2.5" of rain in 45-60 minutes.
------------------------------------------------------------------------------
The most likely areas to be impacted by flooding are:
X
Mountain streams & floodplains; road crossings; canyon roads &
highways; recreational trails; adjacent open space
areas/campgrounds/parks; fishing access points & stream reaches;
buildings near streams; utilities
X
Urban streams/gulches; road crossings; recreational trails; adjacent
open space areas/campgrounds/parks; floodplain properties; utilities
X
Urban streets, intersections, low lying areas, known trouble spots
X
Mountain locations subject to mud/rock/debris slide
------------------------------------------------------------------------------
Additional Information: Strong thunderstorms may also contain large
hail, gusty winds, frequent cloud-to-ground lightning and possibly and
isolated land spout/tornado.
This message is not intended for public dissemination. Please pass
this information along to affected emergency response organizations
(police, fire, public works, etc.) within your area.
Also, please take appropriate actions to prepare for possible
flooding.
Further information will be provided to you as it becomes available.
MHFD Flood Prediction Center: 303-458-0789 F2P2 Website
[http://udfcd.org/Flash+Flood+Prediction+Program]
10 months, 3 weeks
M-1 Street Flooding Potential
by f2p2@udfcd.org
Time: 922 AM Fri June 30, 2023
Forecaster: Justin Brooks
-------------------------
MESSAGE 1
Flash Flood Prediction Program
-------------------------
STREET FLOODING POTENTIAL
We have determined that street and small stream flooding is possible
in the following counties: BOULDER (CITY OF BOULDER AFFECTED, FOUR
MILE BURN AREA AFFECTED), JEFFERSON, BROOMFIELD, DOUGLAS, ADAMS,
DENVER, ARAPAHOE
including: DIA, THE CITY OF AURORA, ARVADA, WHEAT RIDGE, LAKEWOOD
------------------------------------------------------------------------------
from: Current
to 600 PM
.
Prime time for flooding: Current
to 530 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Moderate to strong thunderstorm will have the
potential to produce rainfall rates of 0.5-1.5" in 10-30 minutes. A
nearly stationary strong thunderstorm will have the potential to
produce up to 2.5" of rain in 45-60 minutes.
------------------------------------------------------------------------------
The most likely areas to be impacted by flooding are:
X
Mountain streams & floodplains; road crossings; canyon roads &
highways; recreational trails; adjacent open space
areas/campgrounds/parks; fishing access points & stream reaches;
buildings near streams; utilities
X
Urban streams/gulches; road crossings; recreational trails; adjacent
open space areas/campgrounds/parks; floodplain properties; utilities
X
Urban streets, intersections, low lying areas, known trouble spots
X
Mountain locations subject to mud/rock/debris slide
------------------------------------------------------------------------------
Additional Information: Strong thunderstorms may also contain large
hail, gusty winds, frequent cloud-to-ground lightning and possibly and
isolated land spout/tornado.
This message is not intended for public dissemination. Please pass
this information along to affected emergency response organizations
(police, fire, public works, etc.) within your area.
Also, please take appropriate actions to prepare for possible
flooding.
Further information will be provided to you as it becomes available.
MHFD Flood Prediction Center: 303-458-0789 F2P2 Website
[http://udfcd.org/Flash+Flood+Prediction+Program]
10 months, 3 weeks
M-1 Low Impact Flooding
by f2p2@udfcd.org
Time: 425 PM Thu June 29, 2023
Forecaster: Justin Brooks
-------------------------
MESSAGE 1
Flash Flood Prediction Program
-------------------------
**** LOW IMPACT FLOODING ****
PRIORITY DISSEMINATION RECOMMENDED
We have determined that low impact flooding is likely in
including: DIA
------------------------------------------------------------------------------
from: Current
to 630 PM
.
Prime time for flooding: Current
to 600 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Moderate to strong thunderstorms will have the
potential to produce rainfall rates of 0.4-1.2" in 10-30 minutes. A
nearly stationary strong thunderstorm will have the potential to
produce up to 2.4" of rain in 60-90 minutes.
------------------------------------------------------------------------------
The most likely areas to be impacted by flooding are:
X
Urban streams/gulches; road crossings; recreational trails; adjacent
open space areas/campgrounds/parks; floodplain properties; utilities
X
Urban streets, intersections, low lying areas, known trouble spots
------------------------------------------------------------------------------
Additional Information: Excessive runoff is imminent or already
occurring in DIA. Strong thunderstorms may also contain large hail,
gusty winds, and frequent cloud-to-ground lightning.
This message is not intended for public dissemination. Please pass
this information along to affected emergency response organizations
(police, fire, public works, etc.) within your area.
Also, please take appropriate actions to prepare for possible
flooding.
Further information will be provided to you as it becomes available.
MHFD Flood Prediction Center: 303-458-0789 F2P2 Website
[http://udfcd.org/Flash+Flood+Prediction+Program]
10 months, 3 weeks
M-3 Flash Flood Warning
by f2p2@udfcd.org
Time: 410 PM Thu June 29, 2023
Forecaster: Justin Brooks
-------------------------
MESSAGE 3
Flash Flood Prediction Program
-------------------------
FLASH FLOOD WARNING
PRIORITY DISSEMINATION RECOMMENDED
The National Weather Service has issued a FLASH FLOOD WARNING for the
following counties: JEFFERSON, DENVER
including:
------------------------------------------------------------------------------
from: Current
to 600 PM
. THE NWS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 6PM FOR NE
JEFFCO AND DENVER COUNTIES.
Prime time for flooding: Current
to 600 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Moderate to strong thunderstorms will have the
potential to produce rainfall rates of 0.5-1.5" in 10-30 minutes. A
nearly stationary strong thunderstorm will have the potential to
produce up to 2.4" of rain in 60-90 minutes.
------------------------------------------------------------------------------
The most likely areas to be impacted by flooding are:
X
Urban streams/gulches; road crossings; recreational trails; adjacent
open space areas/campgrounds/parks; floodplain properties; utilities
X
Urban streets, intersections, low lying areas, known trouble spots
------------------------------------------------------------------------------
Additional explanation: Strong thunderstorms may also contain large
hail, gusty winds, and frequent cloud-to-ground
lightning.
Please pass this information along to affected emergency response
organizations (police, fire, public works, etc.) within your area.
Also, please take appropriate actions to prepare for possible
flooding.
Further information will be provided to you as it becomes available.
MHFD Flood Prediction Center: 303-458-0789 F2P2 Website
[http://udfcd.org/Flash+Flood+Prediction+Program]
10 months, 3 weeks
M-1 Low Impact Flooding
by f2p2@udfcd.org
Time: 329 PM Thu June 29, 2023
Forecaster: Justin Brooks
-------------------------
MESSAGE 1
Flash Flood Prediction Program
-------------------------
**** LOW IMPACT FLOODING ****
PRIORITY DISSEMINATION RECOMMENDED
We have determined that low impact flooding is likely in DENVER COUNTY
including:
------------------------------------------------------------------------------
from: Current
to 600 PM
.
Prime time for flooding: Current
to 530 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Moderate to strong thunderstorms will have the
potential to produce rainfall rates of
0.4-1.2" in 10-30 minutes. A nearly stationary strong thunderstorm
will have the potential to produce
up to 2.4" of rain in 60-90 minutes.
------------------------------------------------------------------------------
The most likely areas to be impacted by flooding are:
X
Mountain streams & floodplains; road crossings; canyon roads &
highways; recreational trails; adjacent open space
areas/campgrounds/parks; fishing access points & stream reaches;
buildings near streams; utilities
X
Urban streams/gulches; road crossings; recreational trails; adjacent
open space areas/campgrounds/parks; floodplain properties; utilities
X
Urban streets, intersections, low lying areas, known trouble spots
X
Mountain locations subject to mud/rock/debris slide
------------------------------------------------------------------------------
Additional Information: Excessive runoff is imminent or already
occurring in Denver County. Strong thunderstorms may also contain
large hail, gusty winds, and frequent cloud-to-ground lightning.
This message is not intended for public dissemination. Please pass
this information along to affected emergency response organizations
(police, fire, public works, etc.) within your area.
Also, please take appropriate actions to prepare for possible
flooding.
Further information will be provided to you as it becomes available.
MHFD Flood Prediction Center: 303-458-0789 F2P2 Website
[http://udfcd.org/Flash+Flood+Prediction+Program]
10 months, 3 weeks
M-1 Street Flooding Potential
by f2p2@udfcd.org
Time: 1147 AM Thu June 29, 2023
Forecaster: Justin Brooks
-------------------------
MESSAGE 1
Flash Flood Prediction Program
-------------------------
STREET FLOODING POTENTIAL
We have determined that street and small stream flooding is possible
in the following counties: ARAPAHOE, DENVER, ADAMS, DOUGLAS,
BROOMFIELD, JEFFERSON, BOULDER (CITY OF BOULDER AFFECTED, FOUR MILE
BURN AREA AFFECTED)
including: DIA, THE CITY OF AURORA, ARVADA, WHEAT RIDGE, LAKEWOOD
------------------------------------------------------------------------------
from: 100 PM
to 1159 PM
.
Prime time for flooding: 200 PM
to 1159 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Moderate to strong thunderstorm will have the
potential to produce rainfall rates of 0.5-1.5" in 10-30 minutes. A
nearly stationary strong thunderstorm will have the potential to
produce up to 2.4" of rain in 45-60 minutes.
------------------------------------------------------------------------------
The most likely areas to be impacted by flooding are:
X
Mountain streams & floodplains; road crossings; canyon roads &
highways; recreational trails; adjacent open space
areas/campgrounds/parks; fishing access points & stream reaches;
buildings near streams; utilities
X
Urban streams/gulches; road crossings; recreational trails; adjacent
open space areas/campgrounds/parks; floodplain properties; utilities
X
Urban streets, intersections, low lying areas, known trouble spots
X
Mountain locations subject to mud/rock/debris slide
------------------------------------------------------------------------------
Additional Information: Strong thunderstorms may also contain large
hail, gusty winds, frequent cloud-to-ground lightning and possibly an
isolated tornado or two.
This message is not intended for public dissemination. Please pass
this information along to affected emergency response organizations
(police, fire, public works, etc.) within your area.
Also, please take appropriate actions to prepare for possible
flooding.
Further information will be provided to you as it becomes available.
MHFD Flood Prediction Center: 303-458-0789 F2P2 Website
[http://udfcd.org/Flash+Flood+Prediction+Program]
10 months, 3 weeks
M-1 Street Flooding Potential
by f2p2@udfcd.org
Time: 1147 AM Thu June 29, 2023
Forecaster: Justin Brooks
-------------------------
MESSAGE 1
Flash Flood Prediction Program
-------------------------
STREET FLOODING POTENTIAL
We have determined that street and small stream flooding is possible
in the following counties: ARAPAHOE, DENVER, ADAMS, DOUGLAS,
BROOMFIELD, JEFFERSON, BOULDER (CITY OF BOULDER AFFECTED, FOUR MILE
BURN AREA AFFECTED)
including: DIA, THE CITY OF AURORA, ARVADA, WHEAT RIDGE, LAKEWOOD
------------------------------------------------------------------------------
from: 100 PM
to 1159 PM
.
Prime time for flooding: 200 PM
to 1159 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Moderate to strong thunderstorm will have the
potential to produce rainfall rates of 0.5-1.5" in 10-30 minutes. A
nearly stationary strong thunderstorm will have the potential to
produce up to 2.4" of rain in 45-60 minutes.
------------------------------------------------------------------------------
The most likely areas to be impacted by flooding are:
X
Mountain streams & floodplains; road crossings; canyon roads &
highways; recreational trails; adjacent open space
areas/campgrounds/parks; fishing access points & stream reaches;
buildings near streams; utilities
X
Urban streams/gulches; road crossings; recreational trails; adjacent
open space areas/campgrounds/parks; floodplain properties; utilities
X
Urban streets, intersections, low lying areas, known trouble spots
X
Mountain locations subject to mud/rock/debris slide
------------------------------------------------------------------------------
Additional Information: Strong thunderstorms may also contain large
hail, gusty winds, frequent cloud-to-ground lightning and possibly an
isolated tornado or two.
This message is not intended for public dissemination. Please pass
this information along to affected emergency response organizations
(police, fire, public works, etc.) within your area.
Also, please take appropriate actions to prepare for possible
flooding.
Further information will be provided to you as it becomes available.
MHFD Flood Prediction Center: 303-458-0789 F2P2 Website
[http://udfcd.org/Flash+Flood+Prediction+Program]
10 months, 3 weeks
M-1 Low Impact Flooding
by f2p2@udfcd.org
Time: 300 PM Thu June 22, 2023
Forecaster: Brad Simmons
-------------------------
MESSAGE 1
Flash Flood Prediction Program
-------------------------
**** LOW IMPACT FLOODING ****
PRIORITY DISSEMINATION RECOMMENDED
We have determined that low impact flooding is likely in the following
counties: ARAPAHOE, DENVER
including: THE CITY OF AURORA
------------------------------------------------------------------------------
from: Current
to 600 PM
.
Prime time for flooding: Current
to 530 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Moderate to strong thunderstorms will have the
potential to produce rainfall rates of 0.5-1.5" in 10-30 minutes. A
nearly stationary strong thunderstorm will have the potential to
produce up to 2.5" of rain in 60-90 minutes.
------------------------------------------------------------------------------
The most likely areas to be impacted by flooding are:
X
Urban streams/gulches; road crossings; recreational trails; adjacent
open space areas/campgrounds/parks; floodplain properties; utilities
X
Urban streets, intersections, low lying areas, known trouble spots
------------------------------------------------------------------------------
Additional Information: Excessive runoff is imminent or already
occurring in Denver County, Arapahoe County, and the City of Aurora.
Strong thunderstorms may also contain large hail, gusty winds, and
frequent cloud-to-ground lightning.
The Message 2 (NWS Flood/Flash Flood Watch) remains valid until
midnight.
This message is not intended for public dissemination. Please pass
this information along to affected emergency response organizations
(police, fire, public works, etc.) within your area.
Also, please take appropriate actions to prepare for possible
flooding.
Further information will be provided to you as it becomes available.
MHFD Flood Prediction Center: 303-458-0789 F2P2 Website
[http://udfcd.org/Flash+Flood+Prediction+Program]
10 months, 4 weeks
M-2 Flash Flood Watch
by f2p2@udfcd.org
Time: 1054 AM Thu June 22, 2023
Forecaster: Justin Brooks
-------------------------
MESSAGE 2
Flash Flood Prediction Program
-------------------------
FLOOD WATCH
The National Weather Service has issued a FLOOD WATCH for: the
following counties: BOULDER (CITY OF BOULDER AFFECTED, FOUR MILE BURN
AREA AFFECTED), JEFFERSON, BROOMFIELD, DOUGLAS, ADAMS, DENVER,
ARAPAHOE
including: DIA, THE CITY OF AURORA, ARVADA, WHEAT RIDGE, LAKEWOOD
------------------------------------------------------------------------------
from: 1200 PM
to 1159 PM
. THE NATIONAL WEATHER SERVICE IN BOULDER HAS ISSUED A FLOOD WATCH FOR
THE ENTIRE DISTRICT FROM 12:00 PM TODAY UNTIL 11:59 PM TONIGHT. THE
MESSAGE 2 MAY BE RESCINDED PRIOR TO 11:59 PM IF CONDITIONS WARRANT.
Prime time for flooding: 1200 PM
to 1100 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Typical thunderstorms have the potential to produce
moderate to heavy rainfall of 0.50” to 1.00” total, in 10-30
minutes. Strong thunderstorms have the potential to produce very heavy
rainfall of 1.00” to 1.50” total, in 10-30 minutes. Anchored or
slow-moving thunderstorms have the potential to produce 1.50” to
2.20” in 45 to 60 minutes.
------------------------------------------------------------------------------
The most likely areas to be impacted by flooding are:
X
Mountain streams & floodplains; road crossings; canyon roads &
highways; recreational trails; adjacent open space
areas/campgrounds/parks; fishing access points & stream reaches;
buildings near streams; utilities
X
Urban streams/gulches; road crossings; recreational trails; adjacent
open space areas/campgrounds/parks; floodplain properties; utilities
X
Urban streets, intersections, low lying areas, known trouble spots
X
Mountain locations subject to mud/rock/debris slide
------------------------------------------------------------------------------
Additional information: Heavy rainfall may result in excessive runoff
and possibly flash flooding over the District this afternoon into the
late evening. Strong thunderstorms may also contain large hail, gusty
winds, frequent cloud-to-ground lightning and possibly an isolated
tornado.
A Flood Watch means that flooding is possible within the watch area.
This message is not intended for public dissemination. Please pass
this information along to affected emergency response organizations
(police, fire, public works, etc.) within your area.
Also, please take appropriate actions to prepare for possible
flooding.
Further information will be provided to you as it becomes available.
MHFD Flood Prediction Center: 303-458-0789 F2P2 Website
[http://udfcd.org/Flash+Flood+Prediction+Program]
10 months, 4 weeks
M-2 Flash Flood Watch
by f2p2@udfcd.org
Time: 1054 AM Thu June 22, 2023
Forecaster: Justin Brooks
-------------------------
MESSAGE 2
Flash Flood Prediction Program
-------------------------
FLOOD WATCH
The National Weather Service has issued a FLOOD WATCH for: the
following counties: BOULDER (CITY OF BOULDER AFFECTED, FOUR MILE BURN
AREA AFFECTED), JEFFERSON, BROOMFIELD, DOUGLAS, ADAMS, DENVER,
ARAPAHOE
including: DIA, THE CITY OF AURORA, ARVADA, WHEAT RIDGE, LAKEWOOD
------------------------------------------------------------------------------
from: 1200 PM
to 1159 PM
. THE NATIONAL WEATHER SERVICE IN BOULDER HAS ISSUED A FLOOD WATCH FOR
THE ENTIRE DISTRICT FROM 12:00 PM TODAY UNTIL 11:59 PM TONIGHT. THE
MESSAGE 2 MAY BE RESCINDED PRIOR TO 11:59 PM IF CONDITIONS WARRANT.
Prime time for flooding: 1200 PM
to 1100 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Typical thunderstorms have the potential to produce
moderate to heavy rainfall of 0.50” to 1.00” total, in 10-30
minutes. Strong thunderstorms have the potential to produce very heavy
rainfall of 1.00” to 1.50” total, in 10-30 minutes. Anchored or
slow-moving thunderstorms have the potential to produce 1.50” to
2.20” in 45 to 60 minutes.
------------------------------------------------------------------------------
The most likely areas to be impacted by flooding are:
X
Mountain streams & floodplains; road crossings; canyon roads &
highways; recreational trails; adjacent open space
areas/campgrounds/parks; fishing access points & stream reaches;
buildings near streams; utilities
X
Urban streams/gulches; road crossings; recreational trails; adjacent
open space areas/campgrounds/parks; floodplain properties; utilities
X
Urban streets, intersections, low lying areas, known trouble spots
X
Mountain locations subject to mud/rock/debris slide
------------------------------------------------------------------------------
Additional information: Heavy rainfall may result in excessive runoff
and possibly flash flooding over the District this afternoon into the
late evening. Strong thunderstorms may also contain large hail, gusty
winds, frequent cloud-to-ground lightning and possibly an isolated
tornado.
A Flood Watch means that flooding is possible within the watch area.
This message is not intended for public dissemination. Please pass
this information along to affected emergency response organizations
(police, fire, public works, etc.) within your area.
Also, please take appropriate actions to prepare for possible
flooding.
Further information will be provided to you as it becomes available.
MHFD Flood Prediction Center: 303-458-0789 F2P2 Website
[http://udfcd.org/Flash+Flood+Prediction+Program]
10 months, 4 weeks