Alert archive / Wyoming / Tornado Warnings in 1989
Tornado Warning 12, NWS Cheyenne, WY
NWS Cheyenne, WY issued this tornado warning at Jul 13, 1989, 3:07 PM MDT for Goshen County, Wyoming. It was in force for 68 min.
The area
The counties it named.
The facts
- Issued
- Jul 13, 1989, 3:07 PM MDT (21:07 UTC)
- Expired
- Jul 13, 1989, 4:15 PM MDT
- In force
- 68 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Goshen County, WY
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
Rapid City, SD (KRAP), launched 12:00Z, 9.1 hours before the alert went out and 251 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
- 208 J/kg
- Mixed-layer CIN
- -94 J/kg
- Mixed-layer LCL
- 1403 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- -13 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 132107
TORCYS
WYC015-132215-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHEYENNE WY
307 PM MDT THU JUL 13 1989
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 415 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTY
IN THE SOUTHEAST PART OF WYOMING
SOUTHERN GOSHEN COUNTY
THIS WARNING INCLUDES THE TOWNS OF HAWK SPRINGS...LA GRANGE...AND
YODER.
AT 300 PM MDT THE PUBLIC REPORTED A FUNNEL CLOUD 10 MILES
SOUTHWEST OF HAWK SPRINGS. THIS STORM WAS MOVING EAST AT 20
MILES AN HOUR.
THIS IS A DANGEROUS STORM. ACT QUICKLY. IF YOU ARE IN THE PATH
OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF AVAILA+BLE.
OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR
POSSIBLE. AVOID WINDOWS. ABANDON CARS AND MOBILE HOMES FOR A
REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.
MENTZERWhat 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, Jul 13, 2:21 PM MDT, 46 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 220 PM MDT THU JUL 13 1989 ...THUNDERSTORMS IN THE NORTHERN NEBRASKA PANHANDLE... ...A SEVERE THUNDERSTORM WATCH FOR THE NEBRASKA PANHANDLE FROM 245PM MDT TO 9PM MDT... AT 215PM MDT...RADAR INDICATED THUNDERSTORMS IN THE NORTHERN NEBRASKA PANHANDLE. THE STRONGEST STORMS WERE LOCATED JUST WEST OF CHADRON NEBRASKA IN DAWES COUNTY AND JUST EAST OF RUSHVILLE NEBRASKA IN NORTH SHERDIDAN COUNTY. THE STORMS WERE MOVING NORTHEAST AT 20 MPH. STRONG GUSTY WINDS...BRIEF HEAVY RAIN...AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS AS THEY MOVE ACROSS DAWES AND SHERIDAN COUNTIES OF THE NEBRASKA PANHANDLE UNTIL 430PM MDT. PLISCHKE
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 6:29 PM MDT | Severe Thunderstorm Warning | CYS | Sweetwater | 61 min |
| Jul 12, 6:34 PM MDT | Severe Thunderstorm Warning | CYS | Sweetwater | 56 min |
| Jul 13, 2:52 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 68 min |
Nearby
Tornado Warnings in Wyoming, 1989Every tornado warning in 1989Tornadoes in 1989
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.