M-1 Low Impact Flooding
by f2p2＠udfcd.org
Time: 423 PM Wed July 16, 2025
Forecaster: James Miezejeski
-------------------------
MESSAGE 1
Flash Flood Prediction Program
-------------------------
**** LOW IMPACT FLOODING ****
PRIORITY DISSEMINATION RECOMMENDED
We have determined that low impact flooding is likely in ARAPAHOE
COUNTY
including: THE CITY OF AURORA
------------------------------------------------------------------------------
from: Current
to 630 PM
.
Prime time for flooding: Current
to 600 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Moderate thunderstorms will produce rainfall rates
of 0.60"- 1.20" total in 10-30 minutes.
A strong stationary storm, or training of thunderstorms will have the
potential to produce up to 2.40" 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 Arapahoe County and the City of Aurora. Strong
thunderstorms may also contain some 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, 2 weeks
M-1 Street Flooding Potential
by f2p2＠udfcd.org
Time: 106 PM Wed July 16, 2025
Forecaster: James Miezejeski
-------------------------
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 800 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Typical showers and thunderstorms will produce a
0.20”-0.60” total in 10-30 minutes.
A moderate to strong thunderstorm will produce 0.60”-1.20” total
in 10-30 minutes.
An anchored strong thunderstorm, or training of moderate to strong
thunderstorms will have the potential to produce 2.40” 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: 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]
9 months, 2 weeks
M-1 Street Flooding Potential
by f2p2＠udfcd.org
Time: 257 PM Fri July 11, 2025
Forecaster: Aaron O'Brien
-------------------------
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: Typical showers and thunderstorms will produce a
0.10”-0.50” total in 10-30 minutes.
A moderate to strong thunderstorm will produce 0.50”-0.75” total
in 10-30 minutes.
An anchored strong thunderstorm, or training of moderate to strong
thunderstorms will have the potential to produce 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: 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]
9 months, 3 weeks
M-1 Street Flooding Potential
by f2p2＠udfcd.org
Time: 558 PM Sun July 6, 2025
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: THE CITY OF AURORA, DIA, ARVADA, WHEAT RIDGE, LAKEWOOD
------------------------------------------------------------------------------
from: Current
to 1000 PM
.
Prime time for flooding: Current
to 930 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Typical showers and thunderstorms today have the
potential to produce between 0.05" - 0.30" total in 10-30 minutes.
A moderate to strong thunderstorm will produce 0.30" - 0.60" total in
10-30 minutes.
An anchored thunderstorm or training of thunderstorms will have the
potential to produce up to 1.20” in 60 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 to severe 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, 4 weeks
M-1 Street Flooding Potential
by f2p2＠udfcd.org
Time: 213 PM Sat July 5, 2025
Forecaster: Aaron O'Brien
-------------------------
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 900 PM
.
Prime time for flooding: Current
to 800 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Typical showers and thunderstorms today have the
potential to produce between 0.10" - 0.30" total in 10-30 minutes.
A moderate to strong thunderstorm will produce 0.30" - 0.60" total in
10-30 minutes.
An anchored thunderstorm or training of thunderstorms will have the
potential to produce up to 1.25” in 60 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 to severe 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
M-1 Street Flooding Potential
by f2p2＠udfcd.org
Time: 1114 AM Fri July 4, 2025
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: THE CITY OF AURORA, DIA, ARVADA, WHEAT RIDGE, LAKEWOOD
------------------------------------------------------------------------------
from: Current
to 800 PM
.
Prime time for flooding: 1200 PM
to 700 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Typical showers and thunderstorms today have the
potential to produce between 0.10" - 0.50" total in 10-30 minutes.
A moderate to strong thunderstorm will produce 0.50" - 0.80" total in
10-30 minutes.
An anchored thunderstorm or training of thunderstorms will have the
potential to produce up to 1.60” in 60 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 to severe 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
M-1 Street Flooding Potential
by f2p2＠udfcd.org
Time: 557 PM Tue July 1, 2025
Forecaster: Aaron O'Brien
-------------------------
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 900 PM
.
Prime time for flooding: Current
to 800 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Typical showers and thunderstorms today have the
potential to produce between 0.05" - 0.30" total in 10-30 minutes.
A moderate to strong thunderstorm will produce 0.30" - 0.60" total in
10-30 minutes.
An anchored thunderstorm or training of thunderstorms will have the
potential to produce up to 1.00” in 60 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 to severe 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