Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 18, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 1, 1990, 2:17 PM MDT for Garden County, Nebraska. It was in force for 58 min.
The area
The counties it named.
The facts
- Issued
- Jun 1, 1990, 2:17 PM MDT (20:17 UTC)
- Expired
- Jun 1, 1990, 3:15 PM MDT
- In force
- 58 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 12:00Z, 8.3 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
- 1619 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 612 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 183 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 5.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBFF 012017
SVRBFF
NEC069-012115-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
217 PM MDT FRI JUN 1 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 315 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE PANHANDLE OF NEBRASKA
NORTHERN GARDEN
AT 215 PM MDT...A SEVERE THUNDERSTORM WAS 30 MILES SOUTHEAST OF
ALLIANCE NEBRASKA...ABOUT 25 MILES NORTH OF OSHKOSH IN GARDEN
COUNTY. THIS STORM WAS MOVING NORTH AROUND 15 MILES AN HOUR.
THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE
OR NO WARNING...SO BE ON THE LOOKOUT AND BE PREPARED TO MOVE TO A
PLACE OF SAFETY IF ONE IS SPfOTTED.
GIVE REPORTS OF SEVERE WEATHER OR DAMAGE TO A LAW ENFORCEMENT AGENCY
FOR RELAY TO THE NATIONAL WEATHER SERVICE.
PFEIFFERWhat 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 1, 10:18 AM MDT, 3 hours 59 minutes before
WYZALL-012200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 10120AM MDT FRI JUN 1 1990 ...COOL WEATHER RETURNS TO WYOMING... A COLD FRONT MOVED ACROSS WYOMING LAST NIGHT AND EARLY THIS MORNING. THIS FEATURE BROUGHT COOLER TEMPERATURES ACROSS THE ENTIRE STATE...AND ALSO BROUGHT LIGHT SNOW TO THE NORTHERN MOUNTAINS. BETWEEN 1 AND 3 INCHES OF NEW SNOW FELL OVERNIGHT IN THE BIG HORN MOUNTAINS WEST OF SHERIDAN. AT 10 AM SNOW CONTINUED TO FALL IN THE BIG HORNS...AND AN ADDITIONAL 1 TO 3 INCHES OF SNOW IS EXPECTED THERE BY THIS EVENING. AN AREA OF LOW PRESSURE OVER UTAH ALSO SPREAD INCREASING MOISTURE OVER WESTERN WYOMING. A FEW SNOW SHOWERS OCCURRED NEAR ROCK SPRINGS...AND LIGHT RAIN FELL AL LANDER AND RIVERTON. > SHOWERS WILL SPREAD OVER THE EASTERN HALF OF THE STATE THIS AFTERNOON. TEMPERATURES WILL DROP BELOW FREEZING IN SOME AREAS OF THE COWBOY STATE TONIGHT...ESPECIALLY OVER THE WEST. GARDENERS SHOULD TAKE PRECAUTIONS NOW TO PROTECT THEIR PLANTS. WINDS WILL ALSO INCREASE TONIGHT OVER THE EASTERN HALF OF STATE. WEST TO NORTHWEST WINDS OF 20 TO 40 MPH WILL DEVELOP AFTER MIDNIGHT. MENTZER
Special weather statement, Jun 1, 10:19 AM MDT, 3 hours 58 minutes before
WYZALL-012200- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE CHEYENNE WY 1020 AM MDT FRI JUN 1 1990 ...COOL WEATHER RETURNS TO WYOMING... A COLD FRONT MOVED ACROSS WYOMING LAST NIGHT AND EARLY THIS MORNING. THIS FEATURE BROUGHT COOLER TEMPERATURES ACROSS THE ENTIRE STATE...AND ALSO BROUGHT LIGHT SNOW TO THE NORTHERN MOUNTAINS. BETWEEN 1 AND 3 INCHES OF NEW SNOW FELL OVERNIGHT IN THE BIG HORN MOUNTAINS WEST OF SHERIDAN. AT 10 AM SNOW CONTINUED TO FALL IN THE BIG HORNS...AND AN ADDITIONAL 1 TO 3 INCHES OF SNOW IS EXPECTED THERE BY THIS EVENING. AN AREA OF LOW PRESSURE OVER UTAH ALSO SPREAD INCREASING MOISTURE OVER WESTERN WYOMING. A FEW SNOW SHOWERS OCCURRED NEAR ROCK SPRINGS...AND LIGHT RAIN FELL AT LANDER AND RIVERTON. > SHOWERS WILL SPREAD OVER THE EASTERN HALF OF THE STATE THIS AFTERNOON. TEMPERATURES WILL DROP BELOW FREEZING IN SOME AREAS OF THE COWBOY STATE TONIGHT...ESPECIALLY OVER THE WEST. GARDENERS SHOULD TAKE PRECAUTIONS NOW TO PROTECT THEIR PLANTS. WINDS WILL ALSO INCREASE TONIGHT OVER THE EASTERN HALF OF STATE. WEST TO NORTHWEST WINDS OF 20 TO 40 MPH WILL DEVELOP AFTER MIDNIGHT. MENTZER
Special weather statement, Jun 1, 1:25 PM MDT, 52 minutes before
NEZ002-012100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE VALENTINE NE ISSUED BY SCOTTSBLUFF NE 123 PM MDT FRI JUN 1 1990 ...A LINE OF THUNDERSTORMS IS MOVING INTO CHERRY COUTNY OF NORTHCENTRAL NEBRASKA... AT 120 PM MDT...RADAR INDICATED A LINE OF THUNDERSTORMS MOVING INTO CHERRY COUNTY OF NORTHCENTRAL NEBRASKA. THE LINE EXTENDED FROM 18 MILES WEST TO 45 MILES SOUTHWEST OF MERRIMAN NEBRASKA...OR 70 MILES WEST TO 85 MILES SOUTHWEST OF VALENTINE NEBRASKA IN WESTERN CHERRY COUNTY. THE STORMS WERE MOVING NORTH AT 15 MPH. BRIEF HEAVY RAIN...STRONG WIND...AND HAIL ARE POSSIBLE WITH THE THUNDERSTORMS AS THEY MOVE ACROSS WESTERN CHERRY COUNTY OF NORTHCENTRAL NEBRASKA UNTIL 300 PM M0DT. PLISCHKE
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 1:06 PM MDT | Severe Thunderstorm Warning | CYS | Sheridan | 69 min |
| Jun 1, 2:18 PM MDT | Severe Thunderstorm Warning | CYS | Sheridan | 32 min |
| Jun 1, 3:15 PM MDT | Severe Thunderstorm Warning | CYS | Sheridan | 60 min |
| Jun 1, 3:18 PM MDT | Severe Thunderstorm Warning | CYS | Garden | 22 min |
| Jun 1, 4:16 PM MDT | Severe Thunderstorm Warning | CYS | Sheridan | 59 min |
| Jun 1, 4:51 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte, Sheridan | 54 min |
| Jun 1, 5:33 PM MDT | Severe Thunderstorm Warning | CYS | Morrill | 57 min |
| Jun 1, 5:48 PM MDT | Tornado Warning | CYS | Morrill | 27 min |
Nearby
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.