M-2 Flash Flood Watch
by f2p2@udfcd.org
Time: 1024 AM Mon August 12, 2024
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 NOT AFFECTED), JEFFERSON,
BROOMFIELD, DOUGLAS, ADAMS, DENVER, ARAPAHOE
including: DIA, THE CITY OF AURORA
------------------------------------------------------------------------------
from: 200 PM
to 900 PM
. The National Weather Service in Boulder has issued a Flood Watch for
most of the District which includes the threat of Flash Flooding from
2:00 PM today until
9:00 PM tonight.
Prime time for flooding: 200 PM
to 900 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Weak to moderate thunderstorms will produce
rainfall rates of 0.3-0.8” total in 10-30 minutes. Strong to severe
thunderstorms will have the potential to produce rainfall rates of
0.8-1.5” total of rain in 10-30 minutes. A slow-moving strong
thunderstorm or a large thunderstorm complex may result in up to
3.0” 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 possibly flash flooding over the District this afternoon into the
late evening. Strong to severe thunderstorms may also contain large
hail, gusty winds, and frequent cloud-to-ground lightning.
This Flood Watch does NOT include City of Boulder, western Broomfield
of the Jefferson County suburbs; however, will be followed up with a
Message 1 to include those areas for the potential for heavy rain this
afternoon and evening.
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]
1 month, 3 weeks
M-3 Flash Flood Warning Update
by f2p2@udfcd.org
Time: 555 PM Sat August 10, 2024
Forecaster: Justin Brooks
-------------------------
MESSAGE 3 UPDATE
Flash Flood Prediction Program
-------------------------
FLASH FLOOD WARNING
PRIORITY DISSEMINATION RECOMMENDED
The National Weather Service previously issued a FLASH FLOOD WARNING
for JEFFERSON COUNTY
including:
------------------------------------------------------------------------------
from: Current
to 730 PM
. THE NATIONAL WEATHER SERVICE HAS EXTENDED THE FLASH FLOOD WARNING
FOR THE QUARRY BURN SCAR AREA EFFECTIVE UNTIL 730PM THIS EVENING.
Prime time for flooding: Current
to 730 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Between 0.3 and 0.5 inches of rain have fallen.
Additional rainfall amounts of 0.2 to 0.4 inches are possible in the
warned area.
------------------------------------------------------------------------------
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 explanation: Excessive rainfall over the warning area will
cause debris flows near steep terrain. The debris flow can consist of
rock, mud, vegetation and other loose materials.
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]
1 month, 3 weeks
M-3 Flash Flood Warning
by f2p2@udfcd.org
Time: 440 PM Sat August 10, 2024
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
JEFFERSON COUNTY
including:
------------------------------------------------------------------------------
from: Current
to 600 PM
. THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING FOR
THE QUARRY BURN SCAR AREA EFFECTIVE FROM NOW UNTIL 6PM THIS EVENING.
Prime time for flooding: Current
to 530 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Current rainfall between 0.30-0.40" has resulted in
Flooding over the area.
------------------------------------------------------------------------------
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 explanation: xcessive rainfall over the warning area will
cause debris flows near steep terrain. The debris flow can consist of
rock, mud, vegetation and other loose materials.
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]
1 month, 3 weeks
M-1 Low Impact Flooding
by f2p2@udfcd.org
Time: 431 PM Sat August 10, 2024
Forecaster: Aaron O'Brien
-------------------------
MESSAGE 1
Flash Flood Prediction Program
-------------------------
**** LOW IMPACT FLOODING ****
PRIORITY DISSEMINATION RECOMMENDED
We have determined that low impact flooding is likely in JEFFERSON
COUNTY
including:
------------------------------------------------------------------------------
from: Current
to 600 PM
.
Prime time for flooding: Current
to 530 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Moderate to strong thunderstorms will produce
rainfall rates of 0.30-0.80" total in 10-30 minutes. A strong
stationary storm, or training of thunderstorms will have the potential
to produce up to 1.50" in under 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: Excessive runoff is imminent or already
occurring in Jefferson 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]
1 month, 3 weeks
M-1 Street Flooding Potential
by f2p2@udfcd.org
Time: 318 PM Sat August 10, 2024
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)
including: WHEAT RIDGE, ARVADA, THE CITY OF AURORA, DIA, LAKEWOOD
------------------------------------------------------------------------------
from: Current
to 1100 PM
.
Prime time for flooding: 400 PM
to 1000 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Moderate to strong thunderstorms will have the
potential to produce rainfall rates of 0.30”-0.80” total in 10-30
minutes. A stationary/slow-moving thunderstorm or a large thunderstorm
complex may result in up to 1.60” 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, and frequent cloud-to-ground lightning. Excessive
runoff and flooding of small streams and low-lying areas may occur.
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]
1 month, 3 weeks
M-3 Flash Flood Warning
by f2p2@udfcd.org
Time: 512 PM Thu August 8, 2024
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
JEFFERSON COUNTY
including:
------------------------------------------------------------------------------
from: Current
to 800 PM
. THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING FOR
THE QUARRY BURN SCAR AREA EFFECTIVE FROM NOW UNTIL 8PM THIS EVENING.
Prime time for flooding: Current
to 800 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Current rainfall expected between 0.25-0.50" in 15
minutes will result in Flooding over the area.
------------------------------------------------------------------------------
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 explanation: Excessive rainfall over the warning area will
cause debris flows near steep terrain. The debris flow can consist of
rock, mud, vegetation and other loose materials.
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]
1 month, 3 weeks
M-1 Street Flooding Potential
by f2p2@udfcd.org
Time: 426 PM Thu August 8, 2024
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)
including: WHEAT RIDGE, ARVADA, THE CITY OF AURORA, DIA, LAKEWOOD
------------------------------------------------------------------------------
from: Current
to 900 PM
.
Prime time for flooding: Current
to 830 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Moderate to strong thunderstorms will have the
potential to produce rainfall rates of 0.25”-0.75” in 10-30
minutes.
A slow-moving thunderstorm or a large thunderstorm complex may result
in up to 1.50” 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
------------------------------------------------------------------------------
Additional Information: Strong thunderstorms may also contain large
hail, gusty winds, and frequent cloud-to-ground lightning. Excessive
runoff and flooding of small streams and lowlying areas may occur.
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]
1 month, 3 weeks
M-1 Street Flooding Potential
by f2p2@udfcd.org
Time: 154 PM Wed August 7, 2024
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: BOULDER (CITY OF BOULDER AFFECTED),
JEFFERSON, BROOMFIELD, DOUGLAS, ADAMS, DENVER, ARAPAHOE
including: DIA, THE CITY OF AURORA, ARVADA, WHEAT RIDGE, LAKEWOOD
------------------------------------------------------------------------------
from: Current
to 1000 PM TUESDAY
.
Prime time for flooding: 230 PM
to 930 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Thunderstorms will have the potential to produce
rainfall rates of 0.30”-0.90” in 10-30 minutes.
A slow-moving thunderstorm or a large thunderstorm complex may result
in up to 1.80” 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
------------------------------------------------------------------------------
Additional Information: Strong thunderstorms may also contain large
hail, gusty winds, and frequent cloud-to-ground lightning. Excessive
runoff and flooding of small streams and low-lying areas may occur.
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]
1 month, 4 weeks
M-1 Low Impact Flooding
by f2p2@udfcd.org
Time: 417 PM Tue August 6, 2024
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: BROOMFIELD, JEFFERSON
including: ARVADA
------------------------------------------------------------------------------
from: Current
to 600 PM
.
Prime time for flooding: Current
to 530 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Moderate to strong thunderstorms will produce
rainfall rates of 0.25-0.80" total in 10-30 minutes. A strong
stationary storm, or training of thunderstorms will have the potential
to produce up to 1.50" in under 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
------------------------------------------------------------------------------
Additional Information: Excessive runoff is imminent or already
occurring in Jefferson County, Broomfield County, and Arvada. 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]
1 month, 4 weeks
M-1 Street Flooding Potential
by f2p2@udfcd.org
Time: 1256 PM Tue August 6, 2024
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: BOULDER (CITY OF BOULDER 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 900 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Thunderstorms will have the potential to produce
rainfall rates of 0.25”-0.75” in 10-30 minutes.
A slow-moving thunderstorm or a large thunderstorm complex may result
in up to 1.50” 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
------------------------------------------------------------------------------
Additional Information: Strong thunderstorms may also contain large
hail, gusty winds, and frequent cloud-to-ground lightning. Excessive
runoff and flooding of small streams and low-lying areas may occur.
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]
1 month, 4 weeks