Alert archive / Nebraska / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 61, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 23, 1993, 2:08 PM MDT for Box Butte County, Nebraska. It was in force for 37 min.
The area
The counties it named.
The facts
- Issued
- Jun 23, 1993, 2:08 PM MDT (20:08 UTC)
- Expired
- Jun 23, 1993, 2:45 PM MDT
- In force
- 37 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Box Butte County, NE
The nearest sounding before it
Rapid City, SD (KRAP), launched 12:00Z, 8.1 hours before the alert went out and 206 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
- 996 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 169 m²/s²
- 0-3 km storm-relative helicity
- 311 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, Jun 23, 1:19 PM MDT, 49 minutes before
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</html>Special weather statement, Jun 23, 1:21 PM MDT, 47 minutes before
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</html>Special weather statement, Jun 23, 1:22 PM MDT, 46 minutes before
WYZ068-069-070-071-072-232030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 121 PM MDT WED JUN 23 1993 ...TORNADO WATCH NUMBER 482 IS IN EFFECT FOR THE SOUTHEAST CORNER OF WYOMING UNTIL 800 PM MDT... AT 115 PM MDT...SEVERAL STRONG THUNDERSTORMS WERE MOVING THROUGH PLATTE...GOSHEN...AND LARAMIE COUNTIES. NO SEVERE WEATHER WAS REPORTED. HOWEVER...RADAR INDICATED THAT THESE THUNDERSTORMS WERE CAPABLE OF PRODUCING HALF INCH HAIL. WIND GUSTS TO 45 MILES AN HOUR AND VERY HEAVY RAIN ARE ALSO LIKELY. THE STRONGEST GROUP OF STORMS WAS LOCATED ALONG INTERSTATE 25 BETWEEN 25 AND 40 MILES NORTH OF CHEYENNE. THEY WILL BE APPROACHING THE TOWN OF CHUGWATER...IN SOUTHERN PLATTE COUNTY BY 145 PM MDT. SEEK INDOOR SHELTER WHEN THUNDERSTORMS ARE IN THE AREA. LIGHTNING IS A MAJOR THREAT. WCJIN-WYSE CAS
Special weather statement, Jun 23, 1:35 PM MDT, 33 minutes before
WYZ068-069-070-071-072-232030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 135 PM MDT WED JUN 23 1993 ...STRONG THUNDERSTORMS ARE MOVING INTO SOUTHWEST GOSHEN COUNTY... AT 130 PM MDT...STRONG THUNDERSTORMS JUST EAST OF INTERSTATE 25 IN NORTHERN LARAMIE AND SOUTHERN PLATTE COUNTIES. THE STORMS WERE MOVING INTO THE SOUTHWEST CORNER OF GOSHEN COUNTY. BY 145 PM MDT...THE STORMS WILL BE APPROACHING THE TOWNS OF HAWK SPRINGS AND LA GRANGE. RADAR INDICATED MOVEMENT TO THE NORTHEAST AT 30 MILES AN HOUR. HALF INCH HAIL...WIND GUSTS TO 45 MILES AN HOUR...FREQUENT LIGHTNING...AND LOCALLY HEAVY RAIN ARE LIKELY. THE STORMS WERE MOVING INTO MORE UNSTABLE...MOIST AIR...AND COULD EASILY INTENSIFY BETWEEN NOW AND 215 PM MDT. SOUTHERN GOSHEN COUNTY SHOULD BE ON THE ALERT FOR POSSIBLE SEVERE THUNDERSTORMS OR EVEN TORNADOES. MOVE INDOORS WHEN THUNDERSTORMS ARE IN THE AREA. DO NOT SEEK SHELTER UNDER A TREE WHERE LIGHTNING IS LIKELY TO STRIKE. HEAVY RAIN CAN CAUSE LOCALIZED FLOODING. DO NOT DRIVE OR WADE THROUGH WATER COVERED ROADS. A TORNADO WATCH IS IN EFFECT FOR THE AREA UNTIL 800 PM MDT. WCJIN-WYSE CAS
Special weather statement, Jun 23, 1:38 PM MDT, 30 minutes before
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
Special weather statement, Jun 23, 1:39 PM MDT, 29 minutes before
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
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 1:50 PM MDT | Tornado Warning | CYS | Box Butte | 25 min |
| Jun 23, 2:21 PM MDT | Tornado Warning | CYS | Box Butte | 39 min |
| Jun 23, 2:45 PM MDT | Severe Thunderstorm Warning | CYS | Morrill | 30 min |
| Jun 23, 3:19 PM MDT | Severe Thunderstorm Warning | CYS | Morrill | 26 min |
| Jun 23, 3:45 PM MDT | Severe Thunderstorm Warning | CYS | Garden | 15 min |
| Jun 23, 3:53 PM MDT | Severe Thunderstorm Warning | CYS | Kimball | 37 min |
| Jun 23, 4:12 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne | 33 min |
| Jun 23, 4:25 PM MDT | Severe Thunderstorm Warning | CYS | Garden | 50 min |
| Jun 23, 4:34 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne | 56 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.