Expires:202307310130;Remove:202307310130;047528
WGUS55 KBYZ 302229
FFWBYZ

MTC003-WYC033-310130-
/O.NEW.KBYZ.FF.W.0042.230730T2229Z-230731T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Billings MT
429 PM MDT Sun Jul 30 2023

The National Weather Service in Billings has issued a

* Flash Flood Warning for...
  The Crater Ridge Burn Area in...
  Southwestern Big Horn County in south central Montana...
  Northwestern Sheridan County in north central Wyoming...

* Until 730 PM MDT.

* At 429 PM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain over the Crater Ridge Burn Area. Between 0.5 and 1.3 
  inches of rain have fallen. Flash flooding is ongoing or expected 
  to begin shortly.

Excessive rainfall over the burn scar will result in debris flows 
moving through the Pumpkin Creek, Mann Creek, West Fork Little 
Bighorn River, Little Bighorn River.

Roads impacted include Marble Quarry Road, Crater Ridge Springs 
Trail. The debris flow can consist of rock, mud, vegetation and 
other loose materials.

  HAZARD...Flash flooding caused by thunderstorms in and around
           the Crater Ridge Burn Area.

  SOURCE...Radar.

  IMPACT...Flooding of areas in and downstream of the Crater
           Ridge Burn Area.

* Some locations that will experience flash flooding include...
  Crow Indian Reservation.

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 Crater Ridge Burn 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.

Stay away or be swept away. River banks and culverts can become 
unstable and unsafe.

Remain alert for flooding of creeks, streams, and normally dry 
coulees even in areas not receiving rainfall downstream of the burn 
area. These can become raging killer currents in a matter of minutes 
even from distant rainfall upstream.

Please report observed flooding to local emergency officials and 
request they pass the information to the National Weather Service in 
Billings.

&&

LAT...LON 4500 10780 4502 10776 4502 10759 4500 10761
      4499 10763 4499 10767 4498 10769 4496 10768
      4493 10770 4490 10775 4493 10781 4494 10782
      4497 10783

FLASH FLOOD...RADAR INDICATED

$$

Chambers