M-1 Street Flooding Potential
by f2p2＠udfcd.org
Time: 226 PM Sun June 29, 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: 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: 200 PM
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" - 0.80" total in
10-30 minutes.
An anchored thunderstorm or training of thunderstorms will have the
potential to produce up to 1.50” 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
------------------------------------------------------------------------------
Additional Information: Strong to severe 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]
10 months
M-1 Low Impact Flooding
by f2p2＠udfcd.org
Time: 821 PM Wed June 25, 2025
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 ARAPAHOE
COUNTY
including: THE CITY OF AURORA
------------------------------------------------------------------------------
from: Current
to 1015 PM
.
Prime time for flooding: Current
to 945 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Moderate thunderstorms will produce rainfall rates
of 0.75"-1.50" total in 10-30 minutes.
A strong stationary storm, or training of thunderstorms will have the
potential to produce up to 2.50" 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]
10 months, 1 week
M-1 Street Flooding Potential Update
by f2p2＠udfcd.org
Time: 806 PM Wed June 25, 2025
Forecaster: Aaron O'Brien
-------------------------
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), 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 1000 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" - 1.00" total in
10-30 minutes.
An anchored thunderstorm or training of thunderstorms will have the
potential to produce up to 1.75” 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. 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]
10 months, 1 week
M-1 Street Flooding Potential
by f2p2＠udfcd.org
Time: 1124 AM Wed June 25, 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: WHEAT RIDGE, ARVADA, THE CITY OF AURORA, DIA, LAKEWOOD
------------------------------------------------------------------------------
from: Current
to 900 PM
.
Prime time for flooding: 1200 PM
to 800 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" - 1.00" total in
10-30 minutes.
An anchored thunderstorm or training of thunderstorms will have the
potential to produce up to 1.75” 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. 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]
10 months, 1 week
M-1 Low Impact Flooding
by f2p2＠udfcd.org
Time: 208 PM Tue June 24, 2025
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 ARAPAHOE
COUNTY
including: THE CITY OF AURORA
------------------------------------------------------------------------------
from: Current
to 400 PM
.
Prime time for flooding: Current
to 330 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Typical showers/thunderstorms will produce
0.25"-0.75" total in 10-30 minutes.
Moderate thunderstorms will produce rainfall rates of 0.75"-1.50"
total in 10-30 minutes.
A strong stationary storm, or training of thunderstorms will have the
potential to produce up to 2.50" 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]
10 months, 1 week
M-1 Street Flooding Potential
by f2p2＠udfcd.org
Time: 1154 AM Tue June 24, 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: WHEAT RIDGE, ARVADA, THE CITY OF AURORA, DIA, LAKEWOOD
------------------------------------------------------------------------------
from: 1200 PM
to 900 PM
.
Prime time for flooding: 100 PM
to 800 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Typical showers and thunderstorms today have the
potential to produce between 0.25" - 0.75" total in 10-30 minutes.
A moderate to strong thunderstorm will produce 0.75" - 1.50" total in
10-30 minutes.
An anchored thunderstorm or training of thunderstorms will have the
potential to produce up to 2.50” 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. 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]
10 months, 1 week
M-4 All Clear
by f2p2＠udfcd.org
Time: 600 PM Tue June 17, 2025
Forecaster: Aaron O'Brien
-------------------------
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]
10 months, 2 weeks
M-1 Street Flooding Potential
by f2p2＠udfcd.org
Time: 1052 AM Tue June 17, 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: ARVADA, THE CITY OF AURORA, DIA, WHEAT RIDGE, LAKEWOOD
------------------------------------------------------------------------------
from: Current
to 900 PM
.
Prime time for flooding: 1130 AM
to 830 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" - 1.00" total in
10-30 minutes.
An anchored thunderstorm or training of thunderstorms will have the
potential to produce up to 2.00” 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 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]
10 months, 2 weeks
M-1 Street Flooding Potential
by f2p2＠udfcd.org
Time: 352 PM Fri June 13, 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: ARAPAHOE, DENVER, ADAMS, JEFFERSON,
BROOMFIELD, DOUGLAS, BOULDER (CITY OF BOULDER AFFECTED)
including: WHEAT RIDGE, ARVADA, THE CITY OF AURORA, DIA, LAKEWOOD
------------------------------------------------------------------------------
from: Current
to 800 PM
.
Prime time for flooding: 400 PM
to 600 PM
.
------------------------------------------------------------------------------
Forecast rainfall: Typical showers and thunderstorms today have the
potential to produce between a Trace-0.25" total in 10-30 minutes.
A moderate to strong thunderstorm will produce 0.25"-0.75" total in
10-30 minutes.
An anchored thunderstorm or training of thunderstorms will have the
potential to produce up to 1.25” 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
------------------------------------------------------------------------------
Additional Information: Strong thunderstorms may also contain 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]
10 months, 3 weeks
M-1 Street Flooding Potential
by f2p2＠udfcd.org
Time: 1223 PM Fri June 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 900 PM
.
Prime time for flooding: 100 PM
to 830 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"-1.00" total in
10-30 minutes.
An anchored thunderstorm or training of thunderstorms will have the
potential to produce up to 2.00” 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 thunderstorms may also contain 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]
10 months, 4 weeks