Alert archive / Wyoming / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 14, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at May 12, 1989, 4:32 PM MDT for Goshen County, Wyoming. It was in force for 43 min. 3 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
- May 12, 1989, 4:32 PM MDT (22:32 UTC)
- Expired
- May 12, 1989, 5:15 PM MDT
- In force
- 43 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 12, 5:10 PM MDT | Tornado F0 | Goshen, WY | |
| May 12, 5:10 PM MDT | Tornado F0 | Goshen, WY | |
| May 12, 5:12 PM MDT | Tornado F1 | Goshen, 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, 10.5 hours before the alert went out and 264 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
- 2104 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- -13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What 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, May 12, 2:06 PM MDT, 2 hours 26 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 205 PM MDT FRI MAY 12 1989 ...TORNADO WATCH 209 IN EFFECT FOR NEBRASKA PANHANDLE UNTIL 7PM MDT... AN ISOLATED THUNDERSHOWER HAS DEVELOPED ALONG THE WYOMING/NEBRASKA STATELINE...22 MILES WEST OF SCOTTSBLUFF NEBRASKA JUST SOUTH OF THE NORTH PLATTE RIVER NEAR HENRY NEBRASKA. NO MOVEMENT WAS NOTED BUT THE STORM IS EXPECTED TO MOVE GRADUALLY TO THE NORTH BY 230 PM MDT. OTHER SHOWERS AND THUNDERSTORMS WERE DEVELOPING IN EASTERN WYOMING NEAR THE LARAMIE RANGE...AND IN NORTHEAST COLORADO SOUTH OF THE TWIN PAWNEE BUTTES ABOUT 45 MILES SOUTHWEST OF KIMBALL NEBRASKA. TORNADO WATCH NUMBER 209 REMAINS IN EFFECT FOR THE ENTIRE NEBRASKA PANHANDLE UNTIL 7PM MDT THIS FRIDAY EVENING. PFEIFFER
Special weather statement, May 12, 2:44 PM MDT, 1 hour 48 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 243 PM MDT FRI MAY 12 1989 ...TORNADO WATCH 209 IN EFFECT FOR NEBRASKA PANHANDLE UNTIL 7PM MDT... THUNDERSTORMS HAVE MOVED INTO THE SOUTHWEST CORNER OF THE NEBRASKA PANHANDLE...14 MILES SOUTHWEST OF KIMBALL NEBRASKA IN KIMBALL COUNTY. THESE STORMS WERE MOVING NORTH AROUND 20 MILES AN HOUR. PERSONS IN WESTERN KIMBALL COUNTY...ESPECIALLY THE TOWNS OF KIMBALL AND BUSHNELL... SHOULD BE PREPARED FOR HEAVY RAIN..STRONG SHIFTING WINDS..AND POSSIBLE HAIL UNTIL 3PM MDT. OTHER THUNDERSTORMS WERE LOCATED IN NORTHEAST COLORADO NEAR STERLING AND NORTH OF AKRON COLORADO. THESE STORMS WERE MOVING NORTH AT 2O TO 25 MILES AN HOUR. THUNDERSTORMS WERE ALSO IN EASTERN WYOMING ALONG THE LARAMIE RANGE WITH A VERY STRONG STORM SOUTHEAST OF DOUGLAS WYOMING. THESE STORMS WERE MOVING NORTH AROUND 20 MILES AN HOUR. < TORNADO WATCH NUMBER 209 REMAINS IN EFFECT UNTIL 7PM FOR THE ENTIRE NEBRASKA PANHANDLE. PFEIFFER
Special weather statement, May 12, 3:10 PM MDT, 1 hour 22 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 308 PM MDT FRI MAY 12 1989 ...TORNADO WATCH 209 IN EFFECT FOR NEBRASKA PANHANDLE UNTIL 7PM MDT... THUNDERSTORMS WERE LOCATED IN THE SOUTHWEST CORNER OF THE NEBRASKA PANHANDLE...10 MILES WEST OF KIMBALL NEBRASKA IN KIMBALL COUNTY. THESE STORMS WERE MOVING NORTH AROUND 20 MILES AN HOUR. PERSONS IN WESTERN KIMBALL AND WESTERN BANNER COUNTIES SHOULD BE PREPARED FOR HEAVY RAIN.. STRONG SHIFTING WINDS..AND POSSIBLE HAIL UNTIL 415PM MDT. OTHER STORMS HAVE DEVELOPED ALONG THE WYOMING/NEBRASKA STATELINE...45 MILES NORTHWEST OF SCOTTSBLUFF NEBRASKA. THEY SHOULD ALSO MOVE NORTH. OTHER THUNDERSTORMS WERE LOCATED IN NORTHEAST COLORADO 19 MILES SOUTHWEST OF KIMBALL NEBRASKA..AND NEAR AKRON COLORADO. THESE STORMS WERE MOVING NORTH AT 2O TO 25 MILES AN HOUR. THUNDERSTORMS WERE ALSO IN EASTERN WYOMING ALONG THE LARAMIE RANGE WITH A VERY STRONG STORM SOUTHEAST OF DOUGLAS WYOMING. THESE STORMS WERE MOVING NORTH AROUND 20 MILES AN HOUR. TORNADO WATCH NUMBER 209 REMAINS IN EFFECT UNTIL 7PM FOR THE ENTIRE NEBRASKA PANHANDLE. PFEIFFER
Special weather statement, May 12, 3:24 PM MDT, 1 hour 8 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 320 PM MDT FRI MAY 12 1989 ...A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF EASTERN WYOMING TIL 700 PM MDT... A TORNADO WATCH CONTINUES FOR MUCH OF EASTERN WYOMING TIL 700 PM MDT THIS EVENING. THIS WATCH MEANS THAT TORNADOES ARE POSSIBLE WITH ANY SEVERE THUNDERSTORMS DURING THAT TIME. AT 310 PM MDT THUNDERSTORMS CONTINUED IN AN AREA FROM WEST OF LARAMIE TO NEAR NEWCASTLE. STRONG THUNDERSTORMS AT THAT TIME WERE 25 MILES EAST OF DOUGLAS...AND NEAR ALBIN WHICH IS 41 MILES NORTHEAST OF CHEYENNE. THESE STRONGER STORMS WERE PRODUCING HEAVY RAIN...HAIL AND DANGEROUS LIGHTNING. PEA SIZED HAIL WAS REPORTED AT WENDOVER..19 MILES NORTH OF WHEANTLAND AT 115 PM MDT. THUNDERSTORMS WILL CONTINUE TO DEVELOP WITHIN THE WATCH AREA THROUGH THE EARLY EVENING HOURS. SOME OF THESE STORMS MAY PRODUCE SEVERE WEATHER...SUCH AS LARGE HAIL...STRONG WIND GUSTS OR TORNADOES. THE SEVERE THUNDERSTORMS WILL MOST LIKELY OCCUR OVER EXTREME WYOMING. IF A THUNDERSTORM APPROACHES YOUR AREA...TAKE IMMEDIATE AND APPROPRIATE SHELTER. WEILAND
Special weather statement, May 12, 3:31 PM MDT, 1 hour 1 minute before
SPECIAL WEATHER STATEMENT CORRECTED NATIONAL WEATHER SERVICE CHEYENNE WY 320 PM MDT FRI MAY 12 1989 ...A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF EASTERN WYOMING TIL 700 PM MDT... A TORNADO WATCH CONTINUES FOR MUCH OF EASTERN WYOMING TIL 700 PM MDT THIS EVENING. THIS WATCH MEANS THAT TORNADOES ARE POSSIBLE WITH ANY SEVERE THUNDERSTORMS DURING THAT TIME. AT 310 PM MDT THUNDERSTORMS CONTINUED IN AN AREA FROM WEST OF LARAMIE TO NEAR NEWCASTLE. STRONG THUNDERSTORMS AT THAT TIME WERE 25 MILES EAST OF DOUGLAS...AND NEAR ALBIN WHICH IS 41 MILES NORTHEAST OF CHEYENNE. THESE STRONGER STORMS WERE PRODUCING HEAVY RAIN...HAIL AND DANGEROUS LIGHTNING. PEA SIZED HAIL WAS REPORTED AT WENDOVER..19 MILES NORTH OF WHEATLAND AT 115 PM MDT. THUNDERSTORMS WILL CONTINUE TO DEVELOP WITHIN THE WATCH AREA THROUGH THE EARLY EVENING HOURS. SOME OF THESE STORMS MAY PRODUCE SEVERE WEATHER...SUCH AS LARGE HAIL...STRONG WIND GUSTS OR TORNADOES. THE SEVERE THUNDERSTORMS WILL MOST LIKELY OCCUR OVER EXTREME EASTERN WYOMING. IF A THUNDERSTORM APPROACHES YOUR AREA...TAKE IMMEDIATE AND APPROPRIATE SHELTER. WEILAND
Special weather statement, May 12, 3:57 PM MDT, 35 minutes before
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</html>The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 3:54 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 46 min |
Nearby
Severe Thunderstorm Warnings in Wyoming, 1989Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.