Portions of southeast Wyoming and western Nebraska could see some flash flooding this afternoon through this evening, the National Weather Service in Cheyenne says.

"Initially slow-moving thunderstorms over the higher terrain capable of heavy rainfall in excess of an inch per hour could lead to localized flooding," the NWS said.

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Flood Watches are in effect from noon through this evening, which include the cities of Cheyenne and Laramie.

Flood Watch
National Weather Service Cheyenne WY
331 AM MDT Mon Jul 31 2023

WYZ103-105-106-110-114>117-010600-
/O.NEW.KCYS.FA.A.0007.230731T1800Z-230801T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
North Laramie Range-Shirley Basin-Central Laramie Range and
Southwest Platte County-North Snowy Range Foothills-Snowy Range-
Laramie Valley-South Laramie Range-South Laramie Range Foothills-
Including the cities of Garrett, Vedauwoo, Esterbrook, Pumpkin Vine,
Shirley Basin, Whitaker, Arlington, Federal, Albany, Laramie,
Bosler, Bordeaux, Elk Mountain, Buford, Medicine Bow, Horse Creek,
and Centennial
331 AM MDT Mon Jul 31 2023

...FLOOD WATCH IN EFFECT FROM NOON MDT TODAY THROUGH THIS EVENING...

* WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...Portions of south central and southeast Wyoming, including
  the Laramie Range, Snowy Range, Laramie Valley, and Mullen Burn
  Scar Area.

* WHEN...From Noon MDT today through this evening.

* IMPACTS...Excessive runoff may result in flooding of rivers,
  creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS...
  - Initially slow moving to nearly stationary thunderstorms will
    be capable of heavy rainfall in excess of an inch per hour
    and potential flash flooding, especially over sensitive areas
    such as the Mullen Burn Scar area.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

Flood Watch
National Weather Service Cheyenne WY
331 AM MDT Mon Jul 31 2023

NEZ019-020-054-WYZ107-108-118-119-010600-
/O.NEW.KCYS.FA.A.0007.230731T2200Z-230801T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Scotts Bluff County-Banner County-Kimball County-East Platte County-
Goshen County-Central Laramie County-East Laramie County-
Including the cities of Kimball, Guernsey, Pine Bluffs, Wheatland,
Scottsbluff, Gering, Cheyenne, Harrisburg, and Torrington
331 AM MDT Mon Jul 31 2023

...FLOOD WATCH IN EFFECT FROM THIS AFTERNOON THROUGH THIS EVENING...

* WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...Portions of panhandle Nebraska and southeast Wyoming,
  including Cheyenne, Wheatland, Torrington, Scottsbluff, and
  Kimball.

* WHEN...From this afternoon through this evening.

* IMPACTS...Excessive runoff may result in flooding of rivers,
  creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS...
  - Thunderstorms moving off the high terrain late this afternoon
    into this evening will be capable of heavy rainfall in excess
    of an inch per hour and potential flash flooding.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

The NWS reminds people not to drive in flooded waters and to avoid low spots in hilly terrain and recently burned areas such as the Mullen Fire burn scar.

weather.gov/cys
weather.gov/cys
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4:30 AM July 31st - A Flood Watch for potential flash flooding due to excessive rainfall is in effect this afternoon and evening for portions of southeast Wyoming and western Nebraska. Initially slow-moving thunderstorms over the higher terrain capable of heavy rainfall in excess of an inch per hour could lead to localized flooding. Storms will move off to the east late in the afternoon with heavy rainfall still possible. Have a way to receive weather warnings this afternoon and remember to avoid low spots in hilly terrain and recently burned areas such as the Mullen Burn Scar area.

Mullen Fire Burn Scars (September 2021)

Over Labor Day Weekend, I tagged along on a hunting trip in Medicine Bow National Forest near Laramie, Wyoming. As someone that grew up 45 minutes outside of Philadelphia, I have never gone hunting. Though the experience of hunting was in itself very eye-opening, I think the most fascinating part was that we were in the middle of burn scars from the Mullen Fire in 2020.

Seeing the photos of the fire itself is quite frightening. Watching the firefighters work to put them out is heroic. Yet, it is absolutely haunting to stand in an area where there were trees at one point, and now there are only the broken remains of what was part of a mighty forest.

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