Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 100, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Aug 11, 1990, 8:05 PM MDT for Garden County, Nebraska. It was in force for 45 min.
The area
The counties it named.
The facts
- Issued
- Aug 11, 1990, 8:05 PM MDT (02:05 UTC)
- Expired
- Aug 11, 1990, 8:50 PM MDT
- In force
- 45 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Garden County, NE
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.1 hours before the alert went out and 155 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 400 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 975 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
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, Aug 11, 2:46 PM MDT, 5 hours 19 minutes before
NEZ001-005-011-122130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 245 PM MDT FRI AUG 10 1990 ...SEVERE THUNDERSTORM WATCH FOR THE NEBRASKA PANHANDLE UNTIL 800 PM... AT 240 PM MDT...STRONG THUNDERSTORMS WERE LOCATED OVER THE WEST NEBRASKA PANHANDLE...10 MILES NORTH OF SCOTTSBLUFF...AND 50 MILES WEST OF CHADRON NEBRASKA...NEAR HARRISON. THE STORMS WERE MOVING EAST AT 25 MILES AN HOUR. HEAVY RAIN...STRONG WIND...HAIL AND DANGEROUS CLOUD TO GROUND LIGHTNING ARE POSSIBLE WITH THE PASSAGE OF THESE STORMS ACROSS NORTHERN SIOUX AND NORTHERN SCOTTSBLUFF COUNTIES OF THE NEBRASKA PANHANDLE UNTIL 330 PM MDT. OTHER STRONG THUNDERSTORMS WERE ALSO OVER SOUTHEAST WYOMING FROM 30 MILES TO 70 MILES WEST OF SCOTTSBLUFF NEBRASKA...THESE STORMS WILL BE MOVING INTO WESTERN SCOTTS BLUFF AND WESTERN BANNER COUNTIES OF THE PANHANDLE AROUND 300 PM MDT. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM MDT... ACROSS THE $NEBRASKA PANHANDLE. PEOPLE IN THE PANHANDLE SHOULD REMAIN ALERT FOR THREATENING WEATHER AND BE PREPARED TO MOVE TO A PLACE OF SAFETY. WIRTH
Special weather statement, Aug 11, 3:38 PM MDT, 4 hours 27 minutes before
NEZ001-005-011-122230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 338 PM MDT FRI AUG 10 1990 ...SEVERE THUNDERSTORM WATCH FOR THE NEBRASKA PANHANDLE UNTIL 800 PM... AT 330 PM MDT...VERY STRONG THUNDERSTORMS CONTINUED OVER THE WEST AND NORTH NEBRASKA PANHANDLE...20 MILES SOUTHWEST OF SCOTTSBLUFF NEBRASKA ALONG THE BANNER/SCOTTS BLUFF COUNTY LINE...AND 35 MILES SOUTHWEST OF CHADRON OR 15 MILES SOUTHEAST OF HARRISON. THE STORMS WERE MOVING EAST AT 25 MILES AN HOUR. HEAVY RAIN...STRONG WIND...HAIL AND DANGEROUS CLOUD TO GROUND LIGHTNING ARE POSSIBLE WITH THE PASSAGE OF THESE STORMS ACROSS EASTERN SIOUX AND SOUTHWEST DAWES...AND SOUTHERN SCOTTS BLUFF AND NORTHERN BANNER COUNTIES OF THE NEBRASKA PANHANDLE UNTIL 430 PM MDT. THE STORM SOUTHWEST OF SCOTTSBLUFF NEBRASKA SHOULD REACH THE COMMUNITY OF HARRISBURG AROUND 415 PM MDT. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM MDT ACROSS THE NEBRASKA PANgHANDLE. PEOPLE IN THE PANHANDLE SHOULD REMAIN ALERT FOR THREATENING WEATHER AND BE PREPARED TO MOVE TO A PLACE OF SAFETY. WIRTH
Special weather statement, Aug 11, 3:49 PM MDT, 4 hours 16 minutes before
WYZ012-017-112230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 345 PM MDT SAT AUG 11 1990 ...SEVERE THUNDERSTORM WATCH SOUTHEAST BORDER OF WYOMING UNTIL 8 PM... THUNDERSTORMS CONTINUED OVER THE EXTERME SOUTHEAST CORNER OF WYOMING. THE STRONGEST STORMS WERE NEAR US HIGHWAY 85 IN NORTHERN LARAMIE COUNTY. HAIL...GUSTY WINDS AND HEAVY RAIN WERE LIKELY WITH THESE STORMS. THUNDERSTORMS WILL CONTINUE THIS AFTERNOON AND EVENING OVER SOUTHEAST WYOMING. A FEW STORMS MAY BECOME SEVERE...SO THE SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE SOUTHEAST BORDER UNTIL 8 PM. PEOPLE SHOULD LISTEN TO LOCAL BROADCASTS AND STAY INDOORS IF THUNDER- STORMS APPROACH. SCOTT
Special weather statement, Aug 11, 4:33 PM MDT, 3 hours 32 minutes before
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</html>Special weather statement, Aug 11, 4:58 PM MDT, 3 hours 7 minutes before
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</html>Special weather statement, Aug 11, 5:30 PM MDT, 2 hours 35 minutes before
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Severe Thunderstorm Warnings in Nebraska, 1990Every severe thunderstorm warning in 1990
Sources
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.