Flash Flood Warning 6, NWS Cheyenne, WY

Issued

Jun 6, 2012, 5:33 PM MDT (23:33 UTC)

Expired

Jun 6, 2012, 8:30 PM MDT

In force

3 hr

Issued by

NWS Cheyenne, WY

Area

Storm-based polygon

Flood severity

None

County Laramie County, WY

The Cheyenne radar (KCYS), 46 km from the middle of the area, began a volume at 23:35 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

623 
WGUS55 KCYS 062333
FFWCYS
WYC021-070330-
/O.NEW.KCYS.FF.W.0006.120606T2333Z-120607T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
533 PM MDT WED JUN 6 2012

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN LARAMIE COUNTY IN SOUTHEAST WYOMING...

* UNTIL 930 PM MDT

* AT 528 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE      
  WARNED AREA. RADAR ESTIMATES THAT 2 TO 4 INCHES OF RAIN HAS FALLEN 
  ALONG AND NORTH OF A LINE FROM HILLSDALE TO BURNS IN SOUTHEAST     
  LARAMIE COUNTY. ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE   
  EXPECTED. A SECOND CLUSTER OF THUNDERSTORMS WILL MOVE NORTH        
  THROUGH CARPENTER AND PINE BLUFFS THROUGH 700 PM MDT. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...     
  ALBIN...BURNS...CARPENTER...HILLSDALE AND PINE BLUFFS. THIS        
  INCLUDES NORTH FORK MUDDY CREEK IN SOUTHEAST LARAMIE COUNTY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

&&

LAT...LON 4129 10426 4157 10425 4157 10406 4129 10406
      4100 10405 4100 10472 4140 10473

$$

HAMMER/WEILAND

913 
WGUS75 KCYS 070113
FFSCYS

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
713 PM MDT WED JUN 6 2012

WYC021-070330-
/O.CON.KCYS.FF.W.0006.000000T0000Z-120607T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LARAMIE WY-
713 PM MDT WED JUN 6 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EASTERN LARAMIE COUNTY
UNTIL 930 PM MDT...

AT 705 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THAT HEAVY RAINFALL HAS FALLEN ACROSS THE WARNED AREA. RADAR 
ESTIMATED AMOUNTS OF 3 TO 4 INCHES HAVE OCCURRED OVER THE PAST FEW 
HOURS.  ALTHOUGH MOST OF THE RAINFALL IS DECREASING OVER THE WARNED 
AREA...ADDITIONAL AMOUNTS OF ONE HALF INCH ARE POSSIBLE THROUGH THE 
EARLY NIGHT.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ALBIN...BURNS...CARPENTER...HILLSDALE AND PINE BLUFFS.

FLASH FLOODING OF LOW LYING AREAS IN HILLSDALE WAS REPORTED THIS 
AFTERNOON...BUT NO OTHER REPORTS HAVE OCCURRED SINCE THEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

&&

LAT...LON 4129 10426 4157 10425 4157 10406 4129 10406
      4100 10405 4100 10472 4140 10473

$$

FINCH

681 
WGUS75 KCYS 070230 RRA
FFSCYS

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
830 PM MDT WED JUN 6 2012

WYC021-070245-
/O.CAN.KCYS.FF.W.0006.000000T0000Z-120607T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LARAMIE WY-
830 PM MDT WED JUN 6 2012

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR EASTERN LARAMIE
COUNTY IS CANCELLED...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 4129 10426 4157 10425 4157 10406 4129 10406
      4100 10405 4100 10472 4140 10473

$$

FINCH

Flash Flood Warnings in Wyoming, 2012Every flash flood warning in 2012

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.