Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 17, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 1, 1990, 1:06 PM MDT for Sheridan County, Nebraska. It was in force for 69 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 1, 1990, 1:06 PM MDT (19:06 UTC)
- Expired
- Jun 1, 1990, 2:15 PM MDT
- In force
- 69 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Sheridan County, NE
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 1, 2:00 PM MDT | Hail 1.75 | Sheridan, NE |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Rapid City, SD (KRAP), launched 12:00Z, 7.1 hours before the alert went out and 178 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
- 996 J/kg
- Mixed-layer CIN
- -232 J/kg
- Mixed-layer LCL
- 1159 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- -7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBFF 011906
SVRBFF
NEC161-012015-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
106 PM MDT FRI JUN 1 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 215 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE PANHANDLE OF NEBRASKA
SHERIDAN
AT 105 PM MDT...RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES
SOUTHEAST TO 20 SOUTHWEST OF RUSHVILLE NEBRASKA...OR 35 MILES
EAST TO 30 MILES SOUTHEAST OF CHADRON NEBRASKA IN SHERIDAN COUNTY.
THE STORM WAS MOVING NORTH AT 20 MPH.
PREPARE FOR LARGE HAIL...DAMAGING WIND...HEAVY RAIN AND DANGEROUS
LIGHTNING BY TAKING COVER. STAY AWAY FROM AREAS WHERE LOOSE ITEMS
CAN BECOME DANGEROUS FLYING DEBRIS.
IF THREATENING WEATHER APPROACHES...TAKE SHELTER INSIDE A REINFORCED
BUILDING. STAY AWAY FROM WINDOWS. A BASEMENT...INTERIOR HALLWAY...
OR A ROOM ON THE LOWEST FLOOR IS THE SAFEST PLACE IN MOST BUILDING`S.
MOTORISTS SHOULD AVOID LOW WATER CROSSINGS.
PLISCHKEWhat 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, 2 hours 48 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, 2 hours 47 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
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 2:17 PM MDT | Severe Thunderstorm Warning | CYS | Garden | 58 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.