Severe Thunderstorm Warning 18, NWS Cheyenne, WY

Issued

Jun 7, 2001, 7:03 PM MDT (01:03 UTC)

Expired

Jun 7, 2001, 7:45 PM MDT

In force

42 min

Issued by

NWS Cheyenne, WY

Area

Whole counties; the outline is the Mesonet’s reconstruction

County Laramie County, WY

The Cheyenne radar (KCYS), 52 km from the middle of the area, began a volume at 01:06 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.

000 
WUUS55 KCYS 080104
SVRCYS

WYC021-080145-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
703 PM MDT THU JUN 7 2001

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS EXTENDED THE

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN LARAMIE COUNTY IN SOUTHEAST WYOMING

* UNTIL 745 PM MDT

* AT 700 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 7 MILES EAST OF CARPENTER...OR ABOUT 31 MILES
  SOUTHWEST OF KIMBALL...MOVING SOUTHEAST AT 15 MPH.

HAIL UP TO .75 INCHES IN DIAMETER HAS BEEN REPORTED WITH THIS STORM. 
IF YOU ARE IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND 
MOVE TO A SUBSTANTIAL SHELTER.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN CHEYENNE.

DCC

WCJIN-WYSE

LAT...LON 4117 10424 4101 10436 4089 10408 4102 10405

NWS Cheyenne, WY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 7, 2:39 PM MDT, 4 hours 24 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
239 PM MDT THU JUN 7 2001

PRECIPITATION HAVING A TOUGH TIME GETTING GOING THIS AFTERNOON AS
DEWPOINTS HAVE DECREASED OVER MOST OF FORECAST AREA. A WEAK
SHORTWAVE IS PROGGED TO PASS OVER REGION TONIGHT AND WILL MENTION
LOW POPS THIS EVENING OVER THE MOUNTAINS...SOUTHEAST PLAINS AND
WESTERN NEB PANHANDLE. LATE TONIGHT A RIDGE ALOFT WILL AMPLIFY OVER
WYOMING. WILL KEEP MENTION OF LOW CLOUDS REDEVELOPING TONIGHT EAST
OF THE LARAMIE RANGE WITH LIGHT WINDS AND RESIDUAL LOW LEVEL
MOISTURE. TEMPERATURES FRIDAY WILL BE IN THE 70S AND 80S...WITH SOME
90S POSSIBLE IN THE NEB PANHANDLE. LOW POPS WARRANTED FRIDAY WITH
MARGINAL MOISTURE AND WEAK DYNAMICS. RIDGE TO REMAIN OVER REGION
FRIDAY NIGHT AND SATURDAY. TEMPS SATURDAY WILL BE SIMILAR TO THOSE
EXPECTED TOMORROW AS HEIGHTS AND THICKNESS VALUES REMAIN RELATIVELY
HIGH. A WEAK LEESIDE TROUGH IS PROGGED TO DEVELOP AT THE SURFACE
SATURDAY THUS WILL MENTION BREEZY AREAS. WILL AGAIN GO WITH LOW POPS
SATURDAY.

IN THE EXTENDED...MODELS INDICATE RIDGING OVER THE AREA SUNDAY INTO
MONDAY WITH BROAD TROF MOVING INTO THE PACIFIC NORTHWEST. BY LATE
DAY MONDAY THIS TROF WILL BEGIN TO HAVE AN INFLUENCE ON OUR CWA BY
TRIGGERING SOME CONVECTIVE ACTIVITY. COOL DOWN TUESDAY THROUGH THE
END OF THE FORECAST WITH A CHANCE EACH DAY OF SHOWERS OR
THUNDERSTORMS.

.CYS...
WY...NONE.
NE...NONE.

JR/JRG

In the hours before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
700 PM MDT THU JUN 7 2001

TIME(MDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

655& PM        5 W CHEYENNE          WY      0.75 INCH HAIL
06/07/01        LARAMIE

JCH

Severe Thunderstorm Warnings in Wyoming, 2001Every severe thunderstorm warning in 2001

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.