M-1 Street Flooding Potential
by f2p2＠udfcd.org
Time: 155 PM Fri August 23, 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: ARVADA, THE CITY OF AURORA, DIA, WHEAT RIDGE, LAKEWOOD
------------------------------------------------------------------------------
from: Current
to 700 PM
.
Prime time for flooding: 230 PM
to 630 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Showers and thunderstorms today have the potential
to produce between 0.30”-0.70” in 10-30 minutes.
A strong, stationary thunderstorm may be capable of producing 1.40”
or more in 30 minutes or less.
------------------------------------------------------------------------------
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 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, 1 week
M-1 Street Flooding Potential
by f2p2＠udfcd.org
Time: 457 PM Thu August 22, 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: ARAPAHOE, DENVER, ADAMS, DOUGLAS,
BROOMFIELD, JEFFERSON, BOULDER (CITY OF BOULDER AFFECTED)
including: ARVADA, THE CITY OF AURORA, DIA, WHEAT RIDGE, LAKEWOOD
------------------------------------------------------------------------------
from: Current
to 1000 PM
.
Prime time for flooding: Current
to 900 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Showers and thunderstorms today have the potential
to produce between 0.50”-0.75” in 10-30 minutes.
A strong thunderstorm may be capable of producing 1.25” or more in
30 minutes or less.
------------------------------------------------------------------------------
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, 1 week
M-1 Street Flooding Potential
by f2p2＠udfcd.org
Time: 1235 PM Mon August 19, 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: ARVADA, THE CITY OF AURORA, DIA, WHEAT RIDGE, LAKEWOOD
------------------------------------------------------------------------------
from: Current
to 930 PM
.
Prime time for flooding: 100 PM
to 900 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Typical showers/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.
An anchored strong thunderstorm or a large thunderstorm complex may
result in up to 2.25” 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: 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, 2 weeks
M-1 Street Flooding Potential
by f2p2＠udfcd.org
Time: 340 PM Wed August 14, 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: 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: Weak to moderate thunderstorms will produce
rainfall rates of 0.1-0.4” total in 10-30 minutes. Strong to severe
thunderstorms will have the potential to produce rainfall rates of
0.4-0.8” total of rain in 10-30 minutes. A slow-moving strong
thunderstorm or a large thunderstorm complex may result in up to
1.50” 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: 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-4 All Clear
by f2p2＠udfcd.org
Time: 823 PM Tue August 13, 2024
Forecaster: Justin Brooks
-------------------------
MESSAGE 4
Flash Flood Prediction Program
-------------------------
ALL CLEAR
The potential for flooding 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 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]
1 month, 3 weeks
M-3 Flash Flood Warning
by f2p2＠udfcd.org
Time: 621 PM Tue August 13, 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 745 PM
. THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING FOR
THE QUARRY BURN SCAR AREA ONLY EFFECTIVE FROM NOW UNTIL 7:45PM THIS
EVENING.
Prime time for flooding: Current
to 745 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Current rainfall between 0.25-0.40" 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: Flash flooding is ongoing or expected to begin
shortly. 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: 1205 PM Tue August 13, 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: ARAPAHOE, DENVER, ADAMS, DOUGLAS,
BROOMFIELD, JEFFERSON, BOULDER (CITY OF BOULDER AFFECTED)
including: THE CITY OF AURORA, DIA, ARVADA, WHEAT RIDGE, LAKEWOOD
------------------------------------------------------------------------------
from: Current
to 1100 PM
.
Prime time for flooding: 200 PM
to 1000 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Typical showers/thunderstorms will produce
0.30-0.80" total in 10-30 minutes. Moderate to strong thunderstorms
will have the potential to produce between 0.80-1.60” in 10-30
minutes.
A slow-moving thunderstorm or a large thunderstorm complex may result
in up to 2.40” 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-2 Flash Flood Watch
by f2p2＠udfcd.org
Time: 1204 PM Tue August 13, 2024
Forecaster: Laura Smith
-------------------------
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,
DOUGLAS
including:
------------------------------------------------------------------------------
from: Current
to 1100 PM
. Duration: Current to 11:00 PM.
The (NWS) National Weather Service has issued a Flood Watch for
portions of the District above 6000 ft which includes the threat for
flash flooding in the following counties: Boulder, Jefferson, Douglas
Optimal Period: Flooding is most likely to occur from 2:00 PM until
8:00 PM.
Prime time for flooding: 200 PM
to 800 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Moderate storms will have the potential to produce
rainfall rates of 0.30”-0.80” in 15-30 minutes.
Strong thunderstorms will have the potential to produce rainfall rates
of 0.80”-1.60” in 15-30 minutes.
A slow-moving thunderstorm or large thunderstorm complex may produce
up to 2.50” 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
Mountain locations subject to mud/rock/debris slide
------------------------------------------------------------------------------
Additional information: Excessive runoff and flooding of small streams
and low-lying areas may occur. Strong thunderstorms may also contain
large hail, gusty winds, and frequent cloud-to-ground lightning. The
Quarry Fire Burn scar will be particularly susceptible to flooding.
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-2 Flash Flood Watch
by f2p2＠udfcd.org
Time: 1146 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: JEFFERSON, BOULDER (CITY OF BOULDER NOT AFFECTED)
including:
------------------------------------------------------------------------------
from: 1200 PM
to 900 PM
. The National Weather Service has issued a Flood Watch for the Front
Range Foothills, areas between 6,000-9,000ft, effective from noon
today until 9pm.
Note: This Message 2 superceeds the previously issued Message 2 for
FOOTHILLS AREAS ONLY. All previous Messages 2's & 1's are in effect
from 2pm-9pm for the rest of the District.
Prime time for flooding: 1200 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.
------------------------------------------------------------------------------
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 may result in flooding of
creeks, streams, and other low-lying and flood-prone locations. Debris
flows and rockslides will be possible in recent burn areas.The highest
risk in recent burn scars including the Alexander Mountain and Quarry
burn areas.
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-1 Street Flooding Potential
by f2p2＠udfcd.org
Time: 1028 AM Mon August 12, 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: BROOMFIELD, JEFFERSON, BOULDER (CITY OF
BOULDER AFFECTED)
including: LAKEWOOD, WHEAT RIDGE, ARVADA
------------------------------------------------------------------------------
from: 200 PM
to 900 PM
.
Prime time for flooding: 200 PM
to 800 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
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 1 is to include the threat of heavy rain for the Boulder
suburbs, western Broomfield and the Jefferson County suburbs in
conjunction with the Flood Watch for the remainder of the District.
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