Alert archive / Nebraska / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 4, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at May 5, 1993, 6:14 PM MDT for Garden County, Nebraska. It was in force for 31 min.
The area
The counties it named.
The facts
- Issued
- May 5, 1993, 6:14 PM MDT (00:14 UTC)
- Expired
- May 5, 1993, 6:45 PM MDT
- In force
- 31 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Garden County, NE
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.2 hours before the alert went out and 155 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
- 2927 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 875 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 191 m²/s²
- 0-3 km storm-relative helicity
- 262 m²/s²
- Significant tornado parameter
- 2.3
- Supercell composite
- 11.5
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 5, 3:42 PM MDT, 2 hours 32 minutes before
WYZ059>062-067>073-052315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 345 PM MDT WED MAY 5 1993 ...THE TORNADO WATCH FOR LARAMIE COUNTY HAS BEEN CANCELLED... THE TORNADO WATCH FOR LARAMIE COUNTY WHICH WAS ORIGINALLY IN EFFECT UNTIL 7 PM HAS BEEN CANCELLED. HOWEVER...THE TORNADO WATCH REMAINS IN EFFECT FOR NORTHERN ALBANY....PLATTE...GOSHEN...AND NIOBRARA COUNTIES. THE LINE OF STRONG THUNDERSTORMS WHICH EARLIER MOVED THROUGH CHEYENNE HAS MOVED NORTH AND OUT OF LARAMIE COUNTY. AT 330 PM THIS LINE OF STORMS WAS MOVING THROUGH NORTHERN ALBANY...PLATTE AND GOSHEN COUNTIES. THE STRONGEST STORMS WERE BETWEEN GUERNSEY...19 MILES NORTHEAST OF WHEATLAND...AND GLENDOE...25 MILES SOUTHEAST OF DOUGLAS. THE STORMS WERE MOVING NORTH AT ABOUT 30 MILES AN HOUR. BRIEF HEAVY RAIN...SMALL HAIL...AND STRONG GUSTY WINDS ARE LIKELY WITH THESE STORMS. PEOPLE IN SOUTHEAST AND EAST CENTRAL WYOMING SHOULD BE ALERT FOR THUNDERSTORMS IN THEIR AREA. IF THUNDERSTORMS APPROACH...MOVE TO STURDY SHELTER IMMEDIATELY. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF THE BUILDING IF A TORNADO APPEARS. MOBILE HOMES ARE NOT STURDY SHELTER FROM TORNADOES. WCJIN-WYSE-WYNE HARRISON
Special weather statement, May 5, 3:45 PM MDT, 2 hours 29 minutes before
WYZ059>062-067>073-052315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 345 PM MDT WED MAY 5 1993 ...THE TORNADO WATCH FOR LARAMIE COUNTY HAS BEEN CANCELLED... THE TORNADO WATCH FOR LARAMIE COUNTY WHICH WAS ORIGINALLY IN EFFECT UNTIL 7 PM HAS BEEN CANCELLED. HOWEVER...THE TORNADO WATCH REMAINS IN EFFECT FOR NORTHERN ALBANY....PLATTE...GOSHEN...AND NIOBRARA COUNTIES. THE LINE OF STRONG THUNDERSTORMS WHICH EARLIER MOVED THROUGH CHEYENNE HAS MOVED NORTH AND OUT OF LARAMIE COUNTY. AT 330 PM THIS LINE OF STORMS WAS MOVING THROUGH NORTHERN ALBANY...PLATTE AND GOSHEN COUNTIES. THE STRONGEST STORMS WERE BETWEEN GUERNSEY...19 MILES NORTHEAST OF WHEATLAND...AND GLENDOE...25 MILES SOUTHEAST OF DOUGLAS. THE STORMS WERE MOVING NORTH AT ABOUT 30 MILES AN HOUR. BRIEF HEAVY RAIN...SMALL HAIL...AND STRONG GUSTY WINDS ARE LIKELY WITH THESE STORMS. PEOPLE IN SOUTHEAST AND EAST CENTRAL WYOMING SHOULD BE ALERT FOR THUNDERSTORMS IN THEIR AREA. IF THUNDERSTORMS APPROACH...MOVE TO STURDY SHELTER IMMEDIATELY. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF THE BUILDING IF A TORNADO APPEARS. MOBILE HOMES ARE NOT STURDY SHELTER FROM TORNADOES. WCJIN-WYSE-WYNE HARRISON
Special weather statement, May 5, 4:00 PM MDT, 2 hours 14 minutes before
WYZ059>062-067>073-052315- SPECIAL WEATHER STATEMENT...CORRECTED TO ADD CONVERSE COUNTY TO 3RD LINE NATIONAL WEATHER SERVICE CHEYENNE WY 400 PM MDT WED MAY 5 1993 ...THE TORNADO WATCH FOR LARAMIE COUNTY HAS BEEN CANCELLED... THE TORNADO WATCH FOR LARAMIE COUNTY WHICH WAS ORIGINALLY IN EFFECT UNTIL 7 PM HAS BEEN CANCELLED. HOWEVER...THE TORNADO WATCH REMAINS IN EFFECT FOR NORTHERN ALBANY....PLATTE...GOSHEN...NIOBRARA AND CONVERSE COUNTIES. THE LINE OF STRONG THUNDERSTORMS WHICH EARLIER MOVED THROUGH CHEYENNE HAS MOVED NORTH AND OUT OF LARAMIE COUNTY. AT 330 PM THIS LINE OF STORMS WAS MOVING THROUGH NORTHERN ALBANY...PLATTE AND GOSHEN COUNTIES. THE STRONGEST STORMS WERE BETWEEN GUERNSEY...19 MILES NORTHEAST OF WHEATLAND...AND GLENDO...25 MILES SOUTHEAST OF DOUGLAS. THE STORMS WERE MOVING NORTH AT ABOUT 30 MILES AN HOUR. BRIEF HEAVY RAIN...SMALL HAIL...AND STRONG GUSTY WINDS ARE LIKELY WITH THESE STORMS. PEOPLE IN SOUTHEAST AND EAST CENTRAL WYOMING SHOULD BE ALERT FOR THUNDERSTORMS IN THEIR AREA. IF THUNDERSTORMS APPROACH...MOVE TO STURDY SHELTER IMMEDIATELY. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF THE BUILDING IF A TORNADO APPEARS. MOBILE HOMES ARE NOT STURDY SHELTER FROM TORNADOES. WCJIN-WYSE-WYNE HARRISON
Special weather statement, May 5, 4:02 PM MDT, 2 hours 12 minutes before
WYZ059>062-067>073-052315- SPECIAL WEATHER STATEMENT...CORRECTED TO ADD CONVERSE COUNTY TO 3RD LINE NATIONAL WEATHER SERVICE CHEYENNE WY 400 PM MDT WED MAY 5 1993 ...THE TORNADO WATCH FOR LARAMIE COUNTY HAS BEEN CANCELLED... THE TORNADO WATCH FOR LARAMIE COUNTY WHICH WAS ORIGINALLY IN EFFECT UNTIL 7 PM HAS BEEN CANCELLED. HOWEVER...THE TORNADO WATCH REMAINS IN EFFECT FOR NORTHERN ALBANY....PLATTE...GOSHEN...NIOBRARA AND CONVERSE COUNTIES. THE LINE OF STRONG THUNDERSTORMS WHICH EARLIER MOVED THROUGH CHEYENNE HAS MOVED NORTH AND OUT OF LARAMIE COUNTY. AT 330 PM THIS LINE OF STORMS WAS MOVING THROUGH NORTHERN ALBANY...PLATTE AND GOSHEN COUNTIES. THE STRONGEST STORMS WERE BETWEEN GUERNSEY...19 MILES NORTHEAST OF WHEATLAND...AND GLENDO...25 MILES SOUTHEAST OF DOUGLAS. THE STORMS WERE MOVING NORTH AT ABOUT 30 MILES AN HOUR. BRIEF HEAVY RAIN...SMALL HAIL...AND STRONG GUSTY WINDS ARE LIKELY WITH THESE STORMS. PEOPLE IN SOUTHEAST AND EAST CENTRAL WYOMING SHOULD BE ALERT FOR THUNDERSTORMS IN THEIR AREA. IF THUNDERSTORMS APPROACH...MOVE TO STURDY SHELTER IMMEDIATELY. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF THE BUILDING IF A TORNADO APPEARS. MOBILE HOMES ARE NOT <STURDY SHELTER FROM TORNADOES. WCJIN-WYSE-WYNE HARRISON
Special weather statement, May 5, 4:50 PM MDT, 1 hour 24 minutes before
WYZ059>062-067>073-060015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 450 PM MDT WED MAY 5 1993 ...THE TORNADO WATCH FOR SOUTHEAST WYOMING HAS BEEN CANCELLED... THE TORNADO WATCH FOR SOUTHEAST WYOMING WHICH WAS ORIGINALLY IN EFFECT UNTIL 7 PM HAS BEEN CANCELLED. THE STRONG THUNDERSTORMS WHICH WERE IN SOUTHEAST WYOMING EARLIER MOVED RAPIDLY TO THE NORTH AND OUT OF THE WATCH AREA. THE ONLY ACTIVITY REMAINING AT 450 PM IN SOUTHEAST WYOMING WAS AN AREA OF LIGHT SHOWERS IN THE LARAMIE VALLEY. THE AIR OVER SOUTHEAST WYOMING REMAINS UNSTABLE AND THUNDERSTORM ACTIVITY IS STILL POSSIBLE THROUGH THIS EVENING. IT IS UNLIKELY HOWEVER THAT STORMS IN SOUTHEAST WYOMING WILL BECOME STRONG ENOUGH TO PRODUCE TORNADOES THIS EVENING. BRIEF HEAVY RAIN AND SMALL HAIL ALONG WITH STRONG GUSTY WINDS COULD ACCOMPANY ANY THUNDERSTORMS WHICH DEVELOP. IF THUNDERSTORMS APPROACH...MOVE TO STURDY SHELTER IMMEDIATELY. < WCJIN-WYSE-WYNE HARRISON
Special weather statement, May 5, 4:50 PM MDT, 1 hour 24 minutes before
WYZ059>062-067>073-060015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 450 PM MDT WED MAY 5 1993 ...THE TORNADO WATCH FOR SOUTHEAST WYOMING HAS BEEN CANCELLED... THE TORNADO WATCH FOR SOUTHEAST WYOMING WHICH WAS ORIGINALLY IN EFFECT UNTIL 7 PM HAS BEEN CANCELLED. THE STRONG THUNDERSTORMS WHICH WERE IN SOUTHEAST WYOMING EARLIER MOVED RAPIDLY TO THE NORTH AND OUT OF THE WATCH AREA. THE ONLY ACTIVITY REMAINING AT 450 PM IN SOUTHEAST WYOMING WAS AN AREA OF LIGHT SHOWERS IN THE LARAMIE VALLEY. THE AIR OVER SOUTHEAST WYOMING REMAINS UNSTABLE AND THUNDERSTORM ACTIVITY IS STILL POSSIBLE THROUGH THIS EVENING. IT IS UNLIKELY HOWEVER THAT STORMS IN SOUTHEAST WYOMING WILL BECOME STRONG ENOUGH TO PRODUCE TORNADOES THIS EVENING. BRIEF HEAVY RAIN AND SMALL HAIL ALONG WITH STRONG GUSTY WINDS COULD ACCOMPANY ANY THUNDERSTORMS WHICH DEVELOP. IF THUNDERSTORMS APPROACH...MOVE TO STURDY SHELTER IMMEDIATELY. < WCJIN-WYSE-WYNE HARRISON
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 6:42 PM MDT | Severe Thunderstorm Warning | CYS | Sheridan | 63 min |
| May 5, 6:52 PM MDT | Tornado Warning | CYS | Sheridan | 38 min |
| May 5, 7:47 PM MDT | Severe Thunderstorm Warning | CYS | Garden | 58 min |
| May 6, 5:29 PM MDT | Tornado Warning | CYS | Dawes | 28 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1993Every severe thunderstorm warning in 1993
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.