Severe Thunderstorm Warning 21, NWS Billings, MT

Issued

Jul 10, 1990, 1:01 PM MDT (19:01 UTC)

Expired

Jul 10, 1990, 2:00 PM MDT

In force

59 min

Issued by

NWS Billings, MT

Area

Whole counties

Counties Big Horn County, MT, Yellowstone County, MT

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

000 
TTAA00 KBIL 101901
SVRBIL
MTC003-111-102000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING 
NATIONAL WEATHER SERVICE BILLINGS MT
101 PM MDT TUE JUL 10 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
AND FLASH FLOOD WARNING EFFECTIVE UNTIL 200 PM MDT FOR PEOPLE 
IN THE FOLLOWING COUNTIES

   IN THE STATE OF MONTANA
      NORTHWEST BIG HORN...NORTHEAST YELLOWSTONE

AT 1250 PM MDT BILLINGS WEATHER RADAR DETECTED A STRONG
THUNDERSTORM CELL LOCATED ABOUT 25 MILES NORTHEAST OF BILLING.
TOPS OF THE CELL MEASURED ABOUT 45 THOUSAND FEET AND THE
MOVEMENT WAS TO THE SOUTHEAST AT ABOUT 15 MPH. THE SLOW MOVEMENT
OF THE CELL INDICATED POSSIBLE HEAVY RAIN AND LOCALIZED STREAM
FLOODING COULD OCCUR.

IF YOU ARE CAUGHT OUTSIDE...FIND SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADWAYS QUICKLY...
AVOID DRIVING INTO AREAS WHERE WATER COVERS THE ROAD.

THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH...PREPARE FOR
DAMAGING WINDS...LARGE HAIL...AND LIGHTNING.  PEOPLE OUTSIDE SHOULD
MOVE TO SHELTER...PRBEFERABLY INSIDE A STRONG BUILDING.  ONCE
INSIDE...STAY AWAY FROM WINDOWS.

 GEORGENITIALS, OR END

In the hours before

MTZ005-006-007-008-009-WYZ001-002-003-004-005-006-101726-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BILLINGS MT
 1126 AM MDT TUE JULY 10 1990

 AT 1117 AM MDT BILLINGS WEATHER RADAR INDICATED A VERY LARGE AND
STRONG THUNDERSTORM...THE CENTER OF WHICH WAS ABOUT 15 MILES
NORTHWEST OF ROUNDUP. THE STORM WAS MOVING TOWARD THE EAST-SOUTHEAST
AT AROUND 15 MPH. MAXIMUM TOP OF THE CELL WAS ABOUT 45 THOUSAND FEET.
HEAVY RAIN...STRONG GUSTY WINDS AND HAIL MAY ACCOMPANY THE STORM.
GEORGE

Severe Thunderstorm Warnings in Montana, 1990Every severe thunderstorm warning in 1990

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.