Alert archive / Wyoming / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 91, NWS Cheyenne, WY

June 5, 1991Laramie County, Wyoming

NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 5, 1991, 4:39 PM MDT for Laramie County, Wyoming. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
Jun 5, 1991, 4:39 PM MDT (22:39 UTC)
Expired
Jun 5, 1991, 5:30 PM MDT
In force
51 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Laramie County, WY

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 5, 12:56 PM MDT, 3 hours 43 minutes before
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Special weather statement, Jun 5, 2:26 PM MDT, 2 hours 13 minutes before
WYZ012-017-052230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
225 PM MDT WED JUN 5 1991

...THUNDERSTORMS CONTINUED IN SOUTHEAST WYOMING AND WERE MOVING INTO
WESTERN LARAMIE AND PLATTE COUNTIES...

AT 220 PM MDT...RADAR SHOWED THUNDERSTORMS WITH VERY HEAVY RAIN AND SMALL
HAIL HAD MOVED INTO LARAMIE AND PLATTE COUNTIES OF SOUTHEAST WYOMING.
THESE THUNDERSTORMS WERE LIKELY PRODUCING STRONG GUSTY WINDS AND DANGEROUS
LIGHTNING. THE STORNGEST THUNDERSTORMS WERE 30 MILES WEST OF CHEYENNE AND
30 MILES SOUTHWEST OF WHEATLAND. THE THUNDERSTORMS WERE MOVING NORTHEAST
AT 10 TO 15 MILES AN HOUR. WITH THE VERY HEAVY RAIN AND SLOW MOVEMENT...
SOME FLOODING MAY OCCUR.

PEOPLE IN WESTlERN PLATTE AND WESTERN LARAMIE COUNTIES INCLUDING THE TOWNS
OF WHEATLAND...CHUGWATER AND CHEYENNE SHOULD BE ALERT FOR THUNDERSTORMS
THIS AFTERNOON. MOVE IMMEDIATELY TO SHELTER IF THUNDERSTORMS APPROACH
BAKER
Special weather statement, Jun 5, 3:11 PM MDT, 1 hour 28 minutes before
WYZ012-016-017-052330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
310 PM MDT WED JUN 5 1991

...A TORNADO WATCH HAS BEEN ISSUED PARTS OF SOUTHEAST WYOMING UNTIL 9 PM...

A TORNADO WATCH HAS BEEN ISSUED FOR PARTS OF SOUTHEAST WYOMING INCLUDING
CONVERSE...PLATTE...ALBANY...NIOBRARA...GOSHEN AND LARAMIE COUNTIES. SOME
OF THE TOWNS IN THE WATCH AREA INCLUDE...LUSK...DOUGLAS...GLENROCK...
LARAMIE...WHEATLAND...TORRINGTON...ROCK RIVER...CHEYENNE AND PINE BLUFFS.
THUNDERSTORMS CONTINUED TO DEVELOP AND MOVE ACROSS SOUTHEAST WYOMING THIS
AFTERNOON.

AT 300 PM SOME OF THE STRONGEST THUNDERSTORMS WERE 15 MILES SOUTHWEST OF
WHEATLAND AND 15 MILES NORTHWEST OF DOUGLAS. THESE THUNDERSTORMS WERE
MOVING NORTHEAST AT 20 MILES AN HOUR. THUNDERSTORMS IN SOUTHEAST WYOMING
THIS AFTERNOON AND THIS EVENING MAY PRODUCE TORNADOES...HAIL...VERY HEAVY
RAIN...DAMAGING WINDS AND DANGEROUS LIGHTNING.
<
PEOPLE IN SOUTHEAST WYOMING SHOULD BE ALERT FOR THUNDERSTORMS. IF
A THUNDERSTORM APPROACHES...MOVE TO SHELTER IN A STRONG BUILDING.
MOBILE HOMES ARE NOT SAFE SHELTER FROM TORNADOES. MOVE TO THE LOWEST
LEVEL AND TO AN INTERIOR ROOM OF THE BUILDING. AVOID WINDOWS AND
ELECTRICAL EQUIPMENT WHEN THUNDERSTORMS ARE NEAR.
BAKER
Special weather statement, Jun 5, 4:25 PM MDT, 14 minutes before
WYZ012-016-017-052330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
420 PM MDT WED JUN 5 1991

...A TORNADO WATCH HAS BEEN ISSUED PARTS OF SOUTHEAST WYOMING UNTIL 9 PM...

THUNDERSTORMS HAVE INCREASED IN COVERAGE OVER SOUTHEAST WYOMING SINCE
ABOUT 330 PM MDT. THE CITIES OF LARAMIE...ROCK RIVER...WHEATLAND...
CHUGWATER...CHEYENNE...AND CARPENTER HAVE HAD THUNDERSTORMS DURING
THE PAST HOUR. HOWEVER...NO SEVERE WEATHER HAS BEEN REPORTED SO FAR.
THE STRONGER STORMS HAVE PRODUCED ONE QUARTER TO FIVE EIGHTHS INCH
HAIL.

AT 420 PM RADAR SHOWED THE STRONGEST THUNDERSTORM WAS PASSING THROUGH
THE CARPENTER AREA. CARPENTER IS ABOUT 24 MILES EAST SOUTHEAST OF
CHEYENNE ALONG THE COLORADO BORDER. HEAVY RAIN...FREQUENT LIGHTNING...
MARBLE SIZED OR LARGER HAIL AND WIND GUSTS OVER 50 MILES AN HOUR ARE
POSSIBLE WITH THIS STORM.
<
THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. THE CARPENTER
AREA CAN EXPECT VERY STRONG THUNDERSTORMS BETWEEN NOW AND 500 PM MDT.

PEOPLE IN SOUTHEAST WYOMING SHOULD BE ALERT FOR THUNDERSTORMS. IF
A THUNDERSTORM APPROACHES...MOVE TO SHELTER IN A STRONG BUILDING.
MOBILE HOMES ARE NOT SAFE SHELTER FROM TORNADOES. MOVE TO THE LOWEST
LEVEL "AND TO AN INTERIOR ROOM OF THE BUILDING. AVOID WINDOWS AND
ELECTRICAL EQUIPMENT WHEN THUNDERSTORMS ARE NEAR.

CAS

The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 5, 5:42 PM MDTSevere Thunderstorm WarningCYSScotts Bluff48 min
Jun 5, 5:14 PM MDTSevere Thunderstorm WarningCYSLaramie46 min

Nearby

Severe Thunderstorm Warnings in Wyoming, 1991Every severe thunderstorm warning in 1991

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.