M-1 Street Flooding Potential
by f2p2＠udfcd.org
Time: 121 PM Mon August 28, 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 1000 PM
.
Prime time for flooding: Current
to 930 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Typical thunderstorms will produce rainfall of
0.05" to 0.25” total in 10-30 minutes. Strong storms have the
potential to produce heavy rainfall of 0.25" to 0.75” total in 10-30
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 stationary, or training of
thunderstorms has the potential to produce 0.75” to 1.50” in under
60 minutes.
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]
8 months, 2 weeks
M-1 Street Flooding Potential Update
by f2p2＠udfcd.org
Time: 858 PM Sun August 27, 2023
Forecaster: Justin Brooks
-------------------------
MESSAGE 1 UPDATE
Flash Flood Prediction Program
-------------------------
STREET FLOODING POTENTIAL
We previously 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 1100 PM
.
Prime time for flooding: Current
to 1030 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Typical thunderstorms will produce rainfall of 0.05
to 0.25” total in 10-30 minutes. Strong storms have the potential to
produce heavy rainfall of 0.25 to 0.60” total in 10-30 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 stationary, or training of
thunderstorms has the potential to produce 0.60” to 1.20” in under
60 minutes.
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]
8 months, 2 weeks
M-1 Street Flooding Potential
by f2p2＠udfcd.org
Time: 334 PM Sun August 27, 2023
Forecaster: Laura Smith
-------------------------
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: Current
to 900 PM FRIDAY
.
Prime time for flooding: Current
to 800 PM FRIDAY
.
------------------------------------------------------------------------------
Forecast rainfall: Typical thunderstorms will produce rainfall of 0.10
to 0.30” total in 10-30 minutes. Strong storms have the potential to
produce heavy rainfall of 0.30 to 0.75” total in 10-30 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 stationary, or training of
thunderstorms has the potential to produce 0.75” to 1.25” in under
60 minutes.
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]
8 months, 2 weeks
M-4 All Clear
by f2p2＠udfcd.org
Time: 743 PM Fri August 25, 2023
Forecaster: Justin Brooks
-------------------------
MESSAGE 4
Flash Flood Prediction Program
-------------------------
ALL CLEAR
The potential for flooding 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 has
passed.
All earlier Messages are canceled.
We will keep you advised of any changes.
Please pass this information along to the organizations you previously
notified.
MHFD Flood Prediction Center: 303-458-0789 F2P2 Website
[http://udfcd.org/Flash+Flood+Prediction+Program]
8 months, 2 weeks
M-2 Flash Flood Watch
by f2p2＠udfcd.org
Time: 855 AM Fri August 25, 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: 900 AM
to 1200 PM SATURDAY
. THE NATIONAL WEATHER SERVICE IN BOULDER HAS ISSUED A FLOOD WATCH FOR
THE ENTIRE DISTRICT FROM 9AM UNTIL NOON TOMORROW, THE 26TH.
Prime time for flooding: 900 AM
to 1200 PM SATURDAY
.
------------------------------------------------------------------------------
Forecast rainfall: Weak to moderate thunderstorms will produce
rainfall rates of 0.25-0.75” in 10-30 minutes. Strong thunderstorms
will have the potential to produce rainfall rates of 0.75-1.25” of
rain in 10-30 minutes. A slow moving strong thunderstorm or training
of thunderstorm cells may result in up to 2.0” 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: Heavy rainfall may result in excessive runoff
and isolated flooding in and around the District today and into
tomorrow. Strong thunderstorms may also contain hail, gusty winds, and
frequent cloud-to-ground lightning.
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]
8 months, 2 weeks
M-1 Street Flooding Potential
by f2p2＠udfcd.org
Time: 408 PM Fri August 18, 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: ARVADA, THE CITY OF AURORA, DIA, WHEAT RIDGE, LAKEWOOD
------------------------------------------------------------------------------
from: Current
to 900 PM
.
Prime time for flooding: Current
to 800 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Typical thunderstorms will produce rainfall of
0.10-0.30” total in 10-30 minutes. Strong storms have the potential
to produce heavy rainfall of 0.30-0.60” total in 10-30 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 stationary, or training of
thunderstorms has the potential to produce 0.60” to 1.20” in under
60 minutes.
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]
8 months, 3 weeks
M-1 Street Flooding Potential
by f2p2＠udfcd.org
Time: 325 PM Sun August 6, 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 900 PM
.
Prime time for flooding: Current
to 830 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Typical thunderstorms will produce rainfall of
0.10”-0.25” total in 10-30 minutes. Strong storms have the
potential to produce heavy rainfall of 0.25”
to 0.50” total in 10-30 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: Anchored thunderstorms have the potential to
produce 0.50” to 1.50” in under 60 minutes.
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]
9 months, 1 week
M-1 Street Flooding Potential
by f2p2＠udfcd.org
Time: 458 PM Sat August 5, 2023
Forecaster: Laura Smith
-------------------------
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: WHEAT RIDGE, THE CITY OF AURORA, ARVADA, DIA, LAKEWOOD
------------------------------------------------------------------------------
from: Current
to 900 PM
.
Prime time for flooding: Current
to 800 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Typical showers/thunderstorms will produce a
0.05-0.25” total in 10-30 minutes. A moderate thunderstorm will
produce 0.25” to 0.50” total in 10-30 minutes. A strong
thunderstorm will produce 0.50” to 1.00” total in 10-30 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: An anchored strong thunderstorm or training of
thunderstorm cells has the potential to produce up to 1.75” in under
60 minutes.
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]
9 months, 1 week
M-1 Low Impact Flooding
by f2p2＠udfcd.org
Time: 527 PM Thu August 3, 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 the following
counties: ADAMS, ALL OF ADAMS
including:
------------------------------------------------------------------------------
from: Current
to 700 PM
.
Prime time for flooding: Current
to 630 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Strong thunderstorms will have the potential to
produce rainfall rates of 0.50-1.00” of rain in 10-30 minutes. A
slow moving large thunderstorm or training of strong thunderstorm
cells may result in up to 1.75” of rain in under 60 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 Adams 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]
9 months, 1 week
M-1 Low Impact Flooding
by f2p2＠udfcd.org
Time: 343 PM Thu August 3, 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 ADAMS COUNTY
(ALONG AND WEST OF HIGHWAY 85)
including:
------------------------------------------------------------------------------
from: Current
to 530 PM
.
Prime time for flooding: Current
to 500 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Strong thunderstorms will have the potential to
produce rainfall rates of 0.50-1.00”
of rain in 10-30 minutes. A slow moving large thunderstorm or training
of strong thunderstorm cells
may result in up to 1.75” of rain in under 60 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 Adams 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]
9 months, 1 week