M-4 All Clear
by f2p2@udfcd.org
Time: 456 PM Thu August 26, 2021
Forecaster: Brad Simmons
-------------------------
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 Â Â Â F2P2 Website
[http://udfcd.org/Flash+Flood+Prediction+Program]
2 years, 8 months
M-1 Street Flooding Potential
by f2p2@udfcd.org
Time: 1129 AM Thu August 26, 2021
Forecaster: Brad Simmons
-------------------------
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: 100 PM
to 900 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Moderate to strong thunderstorms will have the
potential to produce 0.3-0.9" of heavy rain in 10-30 minutes. Slower
moving strong thunderstorms may result in up to 1.8" 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.
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 Â Â Â F2P2 Website
[http://udfcd.org/Flash+Flood+Prediction+Program]
2 years, 8 months
M-1 Low Impact Flooding
by f2p2@udfcd.org
Time: 241 PM Thu August 19, 2021
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 DOUGLAS
COUNTY
including:
------------------------------------------------------------------------------
from: Current
to 430 PM
.
Prime time for flooding: Current
to 400 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Moderate to strong thunderstorms will have the
potential to produce 0.3-0.6" of heavy rain in 10-20 minutes. Training
of moderate to strong thunderstorm cells may result in up to 1.8" of
heavy rainfall in 40-60 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. 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 Â Â Â F2P2 Website
[http://udfcd.org/Flash+Flood+Prediction+Program]
2 years, 9 months
M-1 Street Flooding Potential
by f2p2@udfcd.org
Time: 108 PM Thu August 19, 2021
Forecaster: Brad Simmons
-------------------------
MESSAGE 1
Flash Flood Prediction Program
-------------------------
STREET FLOODING POTENTIAL
We have determined that street and small stream flooding is possible
in DOUGLAS COUNTY
including:
------------------------------------------------------------------------------
from: Current
to 600 PM
.
Prime time for flooding: 200 PM
to 500 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Moderate to strong thunderstorms will have the
potential to produce 0.2-0.6" of heavy rain in 10-20 minutes. Training
of moderate to strong thunderstorm cells may result in up to 1.8" in
40-60 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.
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 Â Â Â F2P2 Website
[http://udfcd.org/Flash+Flood+Prediction+Program]
2 years, 9 months
M-1 Street Flooding Potential
by f2p2@udfcd.org
Time: 834 PM Sat August 14, 2021
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: JEFFERSON, DOUGLAS, DENVER, ARAPAHOE
including: THE CITY OF AURORA, ARVADA, WHEAT RIDGE, LAKEWOOD
------------------------------------------------------------------------------
from: Current
to 1100 PM
.
Prime time for flooding: Current
to 1030 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Moderate to strong thunderstorms will have the
potential to produce 0.3-0.8" of heavy rain in 10-30 minutes. A nearly
stationary strong thunderstorm will have the potential to produce up
to 1.6" in 45-75 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.
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 Â Â Â F2P2 Website
[http://udfcd.org/Flash+Flood+Prediction+Program]
2 years, 9 months
M-3 Flash Flood Warning
by f2p2@udfcd.org
Time: 1146 PM Thu August 12, 2021
Forecaster: Brad Simmons
-------------------------
MESSAGE 3
Flash Flood Prediction Program
-------------------------
FLASH FLOOD WARNING
PRIORITY DISSEMINATION RECOMMENDED
The National Weather Service has issued a FLASH FLOOD WARNING for
DOUGLAS COUNTY
including:
------------------------------------------------------------------------------
from: Current
to 115 AM
. NWS FLASH FLOOD WARNING ISSUED UNTIL 1:15AM FOR NW DOUGLAS COUNTY
INCLUDING PORTIONS OF HIGHLANDS RANCH AND LOUVIERS.
Prime time for flooding: Current
to 100 AM
.
------------------------------------------------------------------------------
Forecast rainfall: This storm has already produced in excess of 2.0"
of rain in 30-60 minutes with another 0.5-1.5" possible over the next
30-90 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: Excessive runoff and flash flooding from heavy
rainfall is imminent or already occurring.
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 Â Â Â F2P2 Website
[http://udfcd.org/Flash+Flood+Prediction+Program]
2 years, 9 months
M-1 Low Impact Flooding
by f2p2@udfcd.org
Time: 1106 PM Thu August 12, 2021
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 DOUGLAS
COUNTY
including:
------------------------------------------------------------------------------
from: Current
to 1245 AM
.
Prime time for flooding: Current
to 1215 AM
.
------------------------------------------------------------------------------
Forecast rainfall: Moderate to strong thunderstorms will have the
potential to produce 0.5-1.5" of heavy rain in 10-30 minutes. A nearly
stationary strong thunderstorm will have the potential to produce up
to 2.5" in 45-75 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. 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 Â Â Â F2P2 Website
[http://udfcd.org/Flash+Flood+Prediction+Program]
2 years, 9 months
M-1 Street Flooding Potential
by f2p2@udfcd.org
Time: 1033 PM Thu August 12, 2021
Forecaster: Brad Simmons
-------------------------
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, JEFFERSON
including: ARVADA, THE CITY OF AURORA, DIA, WHEAT RIDGE, LAKEWOOD
------------------------------------------------------------------------------
from: Current
to 300 AM
.
Prime time for flooding: 1100 PM
to 200 AM
.
------------------------------------------------------------------------------
Forecast rainfall: Moderate to strong thunderstorms will have the
potential to produce 0.5-1.5" of heavy rain in 10-30 minutes. A nearly
stationary strong thunderstorm will have the potential to produce up
to 2.5" in 45-75 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.
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 Â Â Â F2P2 Website
[http://udfcd.org/Flash+Flood+Prediction+Program]
2 years, 9 months
M-1 Low Impact Flooding
by f2p2@udfcd.org
Time: 353 PM Tue August 3, 2021
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 DOUGLAS
COUNTY
including:
------------------------------------------------------------------------------
from: Current
to 545 PM
.
Prime time for flooding: Current
to 515 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Moderate to strong thunderstorms will have the
potential to produce 0.4-1.2" of heavy rain in 10-30 minutes. A nearly
stationary strong thunderstorm will have the potential to produce up
to 2.4" 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: Excessive runoff is imminent or already
occurring over Douglas 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 Â Â Â F2P2 Website
[http://udfcd.org/Flash+Flood+Prediction+Program]
2 years, 9 months
M-1 Street Flooding Potential
by f2p2@udfcd.org
Time: 1250 PM Tue August 3, 2021
Forecaster: Brad Simmons
-------------------------
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: 100 PM
to 1000 PM
.
Prime time for flooding: 300 PM
to 900 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Moderate to strong thunderstorms will have the
potential to produce 0.5-1.5" of heavy rain in 10-30 minutes. A nearly
stationary strong thunderstorm will have the potential to produce up
to 2.5" 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.
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 Â Â Â F2P2 Website
[http://udfcd.org/Flash+Flood+Prediction+Program]
2 years, 9 months