Alert archive / Wyoming / Tornado Warnings in 1988
Tornado Warning 1, NWS Cheyenne, WY
NWS Cheyenne, WY issued this tornado warning at Jun 13, 1988, 2:21 PM MDT for Laramie County, Platte County, Wyoming. It was in force for 39 min. 2 reports 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 13, 1988, 2:21 PM MDT (20:21 UTC)
- Expired
- Jun 13, 1988, 3:00 PM MDT
- In force
- 39 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
Counties Laramie County, WY, Platte 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 |
|---|---|---|---|
| Jun 13, 2:40 PM MDT | Hail 1.25 | Platte, WY | |
| Jun 13, 3:08 PM MDT | Tornado F0 | Platte, 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, 8.4 hours before the alert went out and 246 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
- 318 J/kg
- Mixed-layer CIN
- -236 J/kg
- Mixed-layer LCL
- 985 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KCYS 132021
TORCYS
WYC021-031-132100-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
221 PM MDT MON JUN 13 1988
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 300 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE SOUTHEAST PART OF WYOMING
NORTHWEST LARAMIE COUNTY...SOUTHERN PLATTE COUNTY
AT 208 PM MDT A TORNADO WAS REPORTED ON THE GROUND 10 MILES SOUTH
OF CHUGWATER...OR 26 MILES NORTH OF CHEYENNE. THE THUNDERSTORM
PRODUCING THE TORNADO WAS MOVING TO THE NORTHEAST AT 25 MPH.
IF YOU ARE IN THE PATH OF THIS TORNADO...THE SAFEST PLACE IS A
BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. IF
NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM ON THE
LOWEST FLOOR. USE BLANKETS OR PILLOWS TO COVER YOUR BODY.
WEILANDWhat forecasters said that day
The local office's own words before this tornado 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 13, 12:14 PM MDT, 2 hours 7 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 1215 PM MDT MON JUN 13 1988 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF SOUTHEAST WYOMING UNTIL 700 PM MDT THIS AFTERNOON AND EVENING... SCATTERED THUNDERSTORMS WERE OCCURRING OVER SOUTHEAST WYOMING AT 1210 PM. A LINE OF THUNDERSTORMS WAS ALSO FORMING JUST SOUTH OF WYOMING...ALONG THE FRONT RANGE IN NORTHERN COLORADO. ALL OF THESE THUNDERSTORMS WERE MOVING NORTH AT 25 MILES AN HOUR. THE THUNDERSTORMS IN SOUTHEAST WYOMING WILL CONTINUE TO DEVELOP AND INTENSIFY DURING THE AFTERNOON. SOME OF THE STORMS WILL PRODUCE LARGE HAIL...DAMAGING WINDS...BRIEF HEAVY RAINS AND DANGEROUS LIGHTNING. PEOPLE IN SOUTH&EAST WYOMING SHOULD KEEP AN EYE ON THE SKY FOR THREATENING WEATHER DEVELOPMENTS. BE PREPARED TO MOVE TO A SAFE PLACE SHOULD A THUNDERSTORM APPROACH YOUR AREA. HATTEN
Special weather statement, Jun 13, 1:05 PM MDT, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 105 PM MDT MON JUN 13 1988 ...SEVERE THUNDERSTORM WATCH FOR THE WESTERN THIRD OF THE NEBRASKA PANHANDLE UNTIL 7 PM MDT THIS EVENING... A SEVERE THUNDERSTORM WATCH CONTINUES FOR THE COUNTIES OF SIOUX... SCOTTS BLUFF...BANNER AND KIMBALL OF THE NEBRASKA PANHANDLE UNTIL 7 PM MDT THIS EVENING. AT 100 PM MDT ISOLATED RAIN SHOWERS WERE IN THE NORTHERN NEBRASKA PANHANDLE. A LINE OF THUNDERSTORMS WAS DEVELOPING ALONG THE FRONT RANGES OF COLORADO AND WYOMING. THESE STORMS WERE MOVING NORTH AT 25 MPH. PEOPLE IN THE NEBRASKA PANHANDLE SHOULD WATCH FOR THREATENING WEATHER DEVELOPMENTS TODAY. STAY TO TUNED TO RADIO...TV OR NOAA WEATHER RADIO FOR LATER DEVELOPMENTS AND BE PREPARED TO MOVE TO A PLACE OF SAFETY SHOULD A THUNDERSTORM APPROACH YOUR AREA. ELSON
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 12:37 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Laramie, Platte | 68 min |
| Jun 13, 1:43 PM MDT | Severe Thunderstorm Warning | CYS | Laramie, Platte | 62 min |
| Jun 13, 2:49 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 56 min |
Nearby
Tornado Warnings in Wyoming, 1988Every tornado warning in 1988Tornadoes in 1988
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.