Flash Flood Warning
Flash Flood Warning
COC123-140615-
/O.NEW.KBOU.FF.W.0019.260814T0320Z-260814T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Denver CO
920 PM MDT Thu Aug 13 2026
The National Weather Service in Denver has issued a
* Flash Flood Warning for...
North Central Weld County in northeastern Colorado...
* Until 1215 AM MDT.
* At 920 PM MDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
0.5 and 2.5 inches of rain have fallen. Additional rainfall amounts
up to 1 inch are possible in the warned area. Flash flooding is
ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Flash flooding of small creeks and streams, gulches,
roads, and poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Mainly rural areas of North Central Weld County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Excessive runoff from this storm will cause flash flooding of small
creeks and streams, country roads, farmland along creeks, and other
low lying areas.
&&
LAT...LON 4100 10379 4089 10386 4084 10404 4090 10414
4100 10408
FLASH FLOOD...RADAR AND GAUGE INDICATED
$$
09
Flash Flood Warning
NEC105-WYC021-140500-
/O.NEW.KCYS.FF.W.0017.260814T0258Z-260814T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Cheyenne WY
858 PM MDT Thu Aug 13 2026
The National Weather Service in Cheyenne has issued a
* Flash Flood Warning for...
Southwestern Kimball County in the panhandle of Nebraska...
Southeastern Laramie County in southeastern Wyoming...
* Until 1100 PM MDT.
* At 858 PM MDT, the public reported thunderstorms producing heavy
rain across the warned area. Between 2 and 2.25 inches of rain
have fallen. Additional rainfall amounts of 0.5 to 1 inch are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Public reported.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Kimball Municipal Airport and Panorama Point.
This includes Interstate 80 in Nebraska between mile markers 7 and
18.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 4100 10407 4100 10410 4122 10391 4120 10361
4100 10367 4100 10373 4100 10375 4100 10381
4100 10390 4100 10391 4100 10397 4100 10399
4100 10402 4100 10404 4100 10405
FLASH FLOOD...OBSERVED
$$
Brauer
Flash Flood Warning
NEC105-WYC021-140445-
/O.NEW.KCYS.FF.W.0016.260814T0137Z-260814T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Cheyenne WY
737 PM MDT Thu Aug 13 2026
The National Weather Service in Cheyenne has issued a
* Flash Flood Warning for...
Northwestern Kimball County in the panhandle of Nebraska...
Southeastern Laramie County in southeastern Wyoming...
* Until 1045 PM MDT.
* At 737 PM MDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1.5 and 2 inches of
rain have fallen. The expected rainfall rate is 1.5 to 1.75 inches
in 1 hour. Additional rainfall amounts of 1 to 1.5 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Pine Bluffs, Burns, Egbert, Pine Bluffs Municipal Airport,
Carpenter and Hillsdale.
This includes the following highways...
Interstate 80 in Nebraska between mile markers 1 and 6.
Interstate 80 in Wyoming between mile markers 379 and 402.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 4100 10410 4100 10416 4100 10417 4100 10421
4100 10434 4100 10437 4106 10452 4125 10447
4133 10389 4108 10394 4100 10409
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1.5-1.75 INCHES IN 1 HOUR
$$
Brauer
Flash Flood Warning
AZC005-140430-
/O.EXT.KFGZ.FF.W.0120.000000T0000Z-260814T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Flagstaff AZ
618 PM MST Thu Aug 13 2026
The National Weather Service in Flagstaff has extended the
* Flash Flood Warning for...
The Havasu Creek basin in...
Coconino County in north central Arizona...
* Until 930 PM MST.
* At 618 PM MST, Doppler radar indicated thunderstorms producing
heavy rain over the Havasu Creek basin. Between 1 and 2.5 inches of
rain have fallen. Flooding impacts will continue, but no additional
rainfall is expected. Flash flooding is ongoing or expected to
begin shortly.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding in and around the Havasu Creek basin.
SOURCE...Radar indicated.
IMPACT...Life threatening flash flooding of areas in and around the
Havasu Creek basin.
* Some locations that will experience flash flooding include...
Little Navajo Falls, Mooney Falls, Beaver Falls, Havasupai
Reservation, Supai and Hualapai Hilltop.
This includes the Colorado River between river miles 156 and 158.
This includes the following swimming holes...
All swimming holes on Havasu Creek near Supai.
This includes the following creeks, washes and rivers...
Little Coyote Canyon, Sinyella Canyon, Colorado River, National
Canyon, Havasu Creek and Matkatamiba Canyon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Campers and hikers should hustle to higher ground immediately! Stay
away from creeks and washes!
Foot bridges will be washed out in Supai Campground. Some campsites
will be flooded. Campers may be stranded in portions of the
campground.
Low water crossings will become dangerous in heavy rain. Do not
attempt to cross flooded roads. Find an alternate route.
Get out of washes and creeks if you are camping or hiking! Flooding
is occurring or imminent and will inundate creeks and washes.
&&
LAT...LON 3631 11273 3630 11267 3626 11258 3615 11262
3615 11269 3613 11269 3609 11273 3609 11289
3620 11278 3627 11278 3630 11279 3630 11277
3631 11276 3632 11276 3633 11275 3632 11274
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
Bernhart
Flash Flood Warning
AZC005-140415-
/O.EXT.KFGZ.FF.W.0121.000000T0000Z-260814T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Flagstaff AZ
556 PM MST Thu Aug 13 2026
The National Weather Service in Flagstaff has extended the
* Flash Flood Warning for...
The Paria River in...
Coconino County in north central Arizona...
* Until 915 PM MST /1015 PM MDT/.
* At 556 PM MST /656 PM MDT/, Doppler radar indicated thunderstorms
producing heavy rain over the Paria River. Between 0.5 and 2 inches
of rain have fallen. Additional rainfall amounts up to 0.5 inches
are possible in the warned area. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding in and around the Paria River.
SOURCE...Radar indicated.
IMPACT...Life threatening flash flooding of areas in and around the
Paria River.
* Some locations that will experience flash flooding include...
Vermilion Cliffs National Monument and Lees Ferry.
This includes the Colorado River near mile marker 0.
This includes the following recreation areas and campgrounds...
Lees Ferry Camp Site.
This includes the following creeks, washes and rivers...
Colorado River and Paria River.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Get out of the Paria River slot canyon! Flood waters will flow down
the Paria River, reaching the confluence with the Colorado River at
Lees Ferry around 8-10 HOURS from initial issuance.
&&
LAT...LON 3694 11166 3686 11157 3685 11159 3690 11166
3693 11172 3696 11180 3697 11186 3700 11188
3700 11170
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
Bernhart
