Alert archive / Wyoming / Flash Flood Warnings in 1991

Flash Flood Warning 11, NWS Cheyenne, WY

June 2, 1991Sweetwater County, Wyoming

NWS Cheyenne, WY issued this flash flood warning at Jun 2, 1991, 5:33 PM MDT for Sweetwater County, Wyoming. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Jun 2, 1991, 5:33 PM MDT (23:33 UTC)
Expired
Jun 2, 1991, 9:30 PM MDT
In force
4 hr
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Sweetwater 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 flash flood 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 2, 1:52 PM MDT, 3 hours 41 minutes before
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Special weather statement, Jun 2, 3:41 PM MDT, 1 hour 52 minutes before
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Special weather statement, Jun 2, 3:44 PM MDT, 1 hour 49 minutes before
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Special weather statement, Jun 2, 4:20 PM MDT, 1 hour 13 minutes before
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Special weather statement, Jun 2, 4:58 PM MDT, 35 minutes before
WYZ016-017-022345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
457 PM MDT SUN JUN 2 1991

...THUNDERSTORMS CONTINUED TO INTENSIFY OVER SOUTHEAST WYOMING AT
455 PM...

SCATTERED STORMS HAD DEVELOPED OVER MUCH OF SOUTHEAST WYOMING LATE THIS
AFTERNOON.  THE STORMS WERE MOST NUMEROUS IN LARAMIE COUNTY...ESPECIALLY
IN EASTERN SECTIONS.  THEY WERE MOVING NORTHWEST AT ABOUT 25 MILES AN
HOUR.

THE STRONGEST STORM WAS 25 TO 35 MILES EAST OF CHEYENNE...NEAR PINE
BLUFFS.  A LARGE THUNDERSTORM COMPLEX IN FAR NORTHERN COLORADO WAS
ALSO APPROACHING LARAMIE COUNTY FROM THE SOUTH AT 450 PM.  SO FAR...
ONLY PEA SIZE HAIL AND BRIEF HEAVY RAIN HAVE BEEN REPORTED WITH THESE
THUNDERSTORMS.

PEOPLE IN SOUTHEAST WYOMING SHOULD BE ON THE LOOKOUT FOR THUNDERSTORMS
PRODUCING HAIL...HEAVY RAIN...AND DEADLY LIGHTNING.  A SEVERE THUNDER-
STORM WATCH REMAINS IN EFFECT UNTIL 8 PM.  ALSO...A FLASH FLOOD WATCH
IS IN EFFECT UNTIL 2 AM.  IFN THREATENING WEATHER APPROACHES...GO TO A
SAFE PLACE AND WAIT FOR THE STORMS TO PASS.  THE HEAVY RAINS MAY CAUSE
FLOODING OF STREAMS AND LOW LYING AREAS.

JAD

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 6:08 PM MDTTornado WarningCYSLaramie52 min
Jun 1, 7:00 PM MDTSevere Thunderstorm WarningCYSLaramie60 min
Jun 1, 7:50 PM MDTFlash Flood WarningCYSAlbany, Laramie4 hr
Jun 1, 10:50 PM MDTFlash Flood WarningCYSGoshen, Laramie, Platte2 hr

Nearby

Flash Flood Warnings in Wyoming, 1991Every flash flood 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.