Alert archive / Wyoming / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 94, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Aug 3, 1990, 4:17 PM MDT for Albany County, Laramie County, Wyoming. It was in force for 58 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
- Aug 3, 1990, 4:17 PM MDT (22:17 UTC)
- Expired
- Aug 3, 1990, 5:15 PM MDT
- In force
- 58 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
Counties Albany County, WY, Laramie County, WY
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 |
|---|---|---|---|
| Aug 3, 5:12 PM MDT | Thunderstorm Wind 52 | Laramie, WY |
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
Denver, CO (KDEN), launched 12:00Z, 10.3 hours before the alert went out and 245 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2814 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 62 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 KCYS 032217
SVRCYS
WYC001-021-032315-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
417 PM MDT FRI AUG 3 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 515 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE SOUTHEAST PART OF WYOMING
EXTREME EASTERN ALBANY COUNTY...NORTHWEST LARAMIE COUNTY
AT 410PM WEATHER RADAR INDICATED A SEVERE THUNDERSTORM 45 MILES
NORTHWEST OF CHEYENNE...OR 20 MILES NORTHWEST OF HORSE CREEK.
THE STORM WAS MOVING TO THE SOUTHEAST AT 25 MILES AN HOUR AND WILL
REACH HORSE CREEK ABOUT 500PM MDT. THIS WARNING DOES NOT INCLUDE
THE CITY OF CHEYENNE.
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE UNTIL THE STORM PASSES.
COXWhat 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 3, 1:25 PM MDT, 2 hours 52 minutes before
NEZ001-005-011-032030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 125 PM MDT FRI AUG 3 1990 ...THUNDERSTORMS WERE BEGINNING TO DEVELOP OVER THE NEBRASKA PANHANDLE... ISOLATED THUNDERSTORMS WERE DEVELOPING ALONG THE NEBRASKA/WYOMING BORDER FROM 30 MILES NORTHWEST TO JUST NORTH OF SCOTTSBLUFF NEBRASKA. THE STORMS ARE EXPECTED TO MOVE SLOWLY SOUTHEAST AT 10 MILES AN HOUR. BRIEF HEAVY RAIN...GUSTY WIND AND DANGEROUS CLOUD TO GROUND LIGHTNING CAN BE EXPECTED WITH THESE STORMS AS THEY MOVE ACROSS SOUTHERN SIOUX AND SCOTTS BLUFF COUNTIES OF THE NEBRASKA PANHANDLE UNTIL 230 PM MDT. WIRTH
Special weather statement, Aug 3, 1:32 PM MDT, 2 hours 45 minutes before
WYZ012 016-022300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 130 PM MDT FRI AUG 3 1990 THUNDERSTORMS WERE DEVELOPING RAPIDLY OVER PARTS OF SOUTHEAST WYOMING... MAINLY NEAR TORRINGTON AND SOUTHWEST OF DOUGLAS. AT 125 PM MDT...A STRONG THUNDERSTORM WAS 5 MILES NORTHWEST OF TORRINGTON. THIS STORM WILL MOVE THROUGH THE CITY OF TORRINGTON BETWEEN 130 AND 2PM THIS AFTERNOON. THIS STORM WAS PRODUCING HEAVY RAIN...STRONG GUSTY WINDS AND HAIL. ANOTHER STRONG THUNDERSTORM WAS 35 MILES SOUTHWEST OF DOUGLAS. THIS STORM WILL MOVE INTO THE LARAMIE RANGE NEAR LARAMIE PEAK BY 230PM. KEEP ALERT AND IF THUNDERSTORMS APPROACH YOUR AREA SEEK SHELTER. MEKIS.
Special weather statement, Aug 3, 2:35 PM MDT, 1 hour 42 minutes before
NEZ001-005-011-032130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 235 PM MDT FRI AUG 3 1990 ...THUNDERSTORMS STRENGTHENING OVER THE THE NEBRASKA PANHANDLE... AT 230 PM MDT...STRONG THUNDERSTORMS WERE OVER THE CENTRAL NEBRASKA PANHANDLE FROM 25 MILES WEST OF SCOTTSBLUFF NEBRASKA JUST SOUTH OF THE CITY OF MORRILL...AND 12 MILES SOUTHEAST OF SCOTTSBLUFF NEBRASKA. THE SCOTTSBLUFF POLICE DEPARTMENT REPORTED PEA TO MARBLE SIZE HAIL IN THE CITY OF SCOTTSBLUFF NEBRASKA AT 211 PM MDT. BRIEF HEAVY RAIN...GUSTY WIND AND DANGEROUS CLOUD TO GROUND LIGHTNING CAN BE EXPECTED WITH THESE STORMS AS THEY MOVE ACROSS SCOTTSBLUFF COUNTY OF THE NEBRASKA PANHANDLE UNTIL 230 PM MDT. PmEEK
Special weather statement, Aug 3, 2:38 PM MDT, 1 hour 39 minutes before
NEZ001-005-011-032130- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 235 PM MDT FRI AUG 3 1990 ...THUNDERSTORMS STRENGTHENING OVER THE THE NEBRASKA PANHANDLE... AT 230 PM MDT...STRONG THUNDERSTORMS WERE OVER THE CENTRAL NEBRASKA PANHANDLE 25 MILES WEST OF SCOTTSBLUFF NEBRASKA JUST SOUTH OF THE CITY OF MORRILL...AND 12 MILES SOUTHEAST OF SCOTTSBLUFF NEBRASKA. THE SCOTTSBLUFF POLICE DEPARTMENT REPORTED PEA TO MARBLE SIZE HAIL IN THE CITY OF SCOTTSBLUFF NEBRASKA AT 211 PM MDT. BRIEF HEAVY RAIN...GUSTY WIND AND DANGEROUS CLOUD TO GROUND LIGHTNING CAN BE EXPECTED WITH THESE STORMS AS THEY MOVE ACROSS SCOTTSBLUFF COUNTY OF THE NEBRASKA PANHANDLE UNTIL 330q PM MDT. CORRECTED FOR EXPIRATION TIME PEEK
Special weather statement, Aug 3, 2:56 PM MDT, 1 hour 21 minutes before
WYZ012-016-017-032155- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 255 PM MDT FRI AUG 3 1990 ...THUNDERSTORMS CONTINUE TO DEVELOP OVER SOUTHEAST WYOMING... AT 245 PM MDT...THUNDERSTORMS CONTINUED TO DEVELOP OVER ALBANY... NORTHERN GOSHEN...AND SOUTHERN LARAMIE COUNTIES IN SOUTHEAST WYOMING. THE STRONGEST STORMS WERE LOCATED 15 MILES SOUTHEAST OF WHEATLAND AND 30 MILES WEST OF WHEATLAND. ALL STORMS WERE MOVING SOUTHEAST AT 20 MILES AN HOUR. PEOPLE IN THE COUNTIES OF ALBANY...PLATTE...GOSHEN...AND LARAMIE SHOULD BE ALERT TO THE POSSIBILTY OF THESE THUNDERSTORMS WHICH CAN PRODUCE BRIEF HEAVY RAIN...SMALL HAIL...STRONG GUSTY WINDS...AND DANGEROUS LIGHTNING. IF Ah THUNDERSTORM APPROACHES...BE PREPARED TO TAKE SHELTER. < DJV
Special weather statement, Aug 3, 3:30 PM MDT, 47 minutes before
NEZ001-005-011-032230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 330 PM MDT FRI AUG 3 1990 ...STRONG THUNDERSTORMS PERSISTING OVER THE WEST NEBRASKA PANHANDLE... AT 325 PM MDT STRONG THUNDERSTORMS CONTINUED OVER THE WEST NEBRASKA PANHANDLE...30 MILES SOUTH OF SCOTTSBLUFF NEBRASKA OR JUST EAST OF HARRISBURG NEBRASKA. THE STORMS WERE MOVING SOUTHEAST AT 10 MILES AN HOUR. BRIEF HEAVY RAIN...GUSTY WIND...SMALL HAIL AND DASNGEROUS CLOUD TO GROUND LIGHTNING CAN BE EXPECTED ACROSS BANNER AND NORTHERN KIMBALL AND SOUTHWEST MORRILL COUNTIES OF THE NEBRASKA PANHANDLE UNTIL 430 PM MDT. WIRTH
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 4:33 PM MDT | Tornado Warning | CYS | Albany | 57 min |
| Aug 3, 5:06 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 64 min |
Nearby
Severe Thunderstorm Warnings in Wyoming, 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.