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2 products issued by NWS for: 20 Miles SE Wamsutter WY
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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Cheyenne WY
256 AM MDT Fri Jul 30 2021

NEZ002-003-019>021-054-055-095-096-WYZ101>104-106>109-111>113-
117>119-310900-
Dawes County-Box Butte County-Scotts Bluff County-Banner County-
Morrill County-Kimball County-Cheyenne County-
Northern Sioux County-Southern Sioux County-
Converse County Lower Elevations-Niobrara County-
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-Central Carbon County-
Southwest Carbon County-Sierra Madre Range-
Upper North Platte River Basin-South Laramie Range Foothills-
Central Laramie County-East Laramie County-
256 AM MDT Fri Jul 30 2021

This hazardous weather outlook is for portions of panhandle
Nebraska...east central Wyoming...south central Wyoming and
southeast Wyoming.

.DAY ONE...TODAY AND TONIGHT

Scattered to numerous showers and thunderstorms will occur, mainly
this afternoon and evening, with the most coverage west of
Interstate 25. A few of the thunderstorms east of a Wheatland to
Cheyenne line, and over the Nebraska Panhandle may become severe,
producing strong winds and some hail. Locally heavy rain will
occur with some storms.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

Isolated to scattered afternoon and evening thunderstorms can be
expected most days.

.Spotter information statement...

Spotter activation will not be needed.

$$



Flash Flood Warning

Flash Flood Statement
National Weather Service Cheyenne WY
434 PM MDT Fri Jul 30 2021

WYC001-007-310030-
/O.CON.KCYS.FF.W.0009.000000T0000Z-210731T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Albany WY-Carbon WY-
434 PM MDT Fri Jul 30 2021

...FLASH FLOOD WARNING FOR THE MULLEN FIRE BURN SCAR AREA REMAINS IN
EFFECT UNTIL 630 PM MDT THIS EVENING FOR SOUTHEASTERN CARBON AND
SOUTHWESTERN ALBANY COUNTIES...

At 434 PM MDT, Doppler radar indicated thunderstorms producing heavy
rain over the Mullen Fire Burn Scar Area over the past hour. Between
1 and 1.75 inches of rain have fallen. Despite the heaviest rainfall
ending, additional rainfall amounts up to 0.25 inches are possible
in the warned area. Flash flooding is ongoing or expected to begin
shortly.

Excessive rainfall over the burn scar will result in debris flow
moving through the Illinois Creek, Muddy Creek, Douglas Creek. The
debris flow can consist of rock, mud, vegetation and other loose
materials.

HAZARD...Flash flooding caused by thunderstorms in and around the
         Mullen Fire Burn Scar Area.

SOURCE...Radar.

IMPACT...Flooding of areas in and around the Mullen Fire Burn
         Scar Area.

Some locations that will experience flash flooding include...
  Albany, Bobbie Thompson Campground, Miller Lake Campground, Evans
  Creek Campground, Lake Owen, Lake Owen Campground, Illinois Creek
  Campground, Rob Roy Reservoir, Rob Roy Campground, Boswell Creek
  Campground, Woods Landing-Jelm, Woods Landing and Centennial.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a life threatening situation. Heavy rainfall will cause
extensive and severe flash flooding of creeks...streams...and
ditches in the Mullen Fire Burn Scar Area. Severe debris flows can
also be anticipated across roads. Roads and driveways may be washed
away in places. If you encounter flood waters...climb to safety.

Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.

&&

LAT...LON 4118 10632 4119 10630 4128 10626 4128 10614
      4124 10611 4122 10606 4117 10604 4113 10599
      4110 10598 4100 10607 4100 10632 4100 10634
      4113 10644

FLASH FLOOD...RADAR INDICATED

$$

Brothers



U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
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