Alert archive / Nebraska / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 172, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Aug 25, 1993, 6:35 PM MDT for Sheridan County, Nebraska. It was in force for 55 min.
The area
The counties it named.
The facts
- Issued
- Aug 25, 1993, 6:35 PM MDT (00:35 UTC)
- Expired
- Aug 25, 1993, 7:30 PM MDT
- In force
- 55 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Sheridan County, NE
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 0.6 hours before the alert went out and 301 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
- 106 J/kg
- Mixed-layer CIN
- -171 J/kg
- Mixed-layer LCL
- 2864 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 216 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
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, Aug 25, 3:40 PM MDT, 2 hours 55 minutes before
NEZ002-252215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE VALENTINE NE ISSUED BY SCOTTSBLUFF NE 340 PM MDT WED AUG 25 1993 ...AN ISOLATED THUNDERSTORM OVER WESTERN CHERRY COUNTY... AT 337 PM MDT...RADAR INDICATED AN ISOLATED THUNDERSTORM OVER WESTERN CHERRY COUNTY. THE STORM WAS 26 MILES SOUTHWEST OF MERRIMAN...OR 73 MILES SOUTHWEST OF VALENTINE. THE THUNDERSTORM WAS MOVING NORTHEAST AT 25 MILES AN HOUR. BRIEF HEAVY RAIN...GUSTY WIND AND SMALL HAIL WILL BE POSSIBLE WITH THIS THUNDERSTORM OVER WESTERN CHERRY COUNTY THROUGH 415 PM MDT. KYLE
Special weather statement, Aug 25, 3:58 PM MDT, 2 hours 37 minutes before
NEZ001-005-011-252300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 358 PM MDT WED AUG 25 1993 ...THUNDERSTORMS DEVELOP OVER THE NORTHEAST NEBRASKA PANHANDLE... AT 355 PM MDT...RADAR INDICATED THUNDERSTORMS OVER SHERIDAN COUNTY. THE STORMS WERE 25 MILES NORTHEAST OF ALLIANCE...OR 25 MILES NORTHWEST OF BINGHAM. THE STORMS WERE MOVING NORTHEAST AT 25 MILES AN HOUR. BRIEF HEAVY RAIN...SMALL HAIL AND DANGEROUS LIGHTNING WILL BE POSSIBLE WITH THESE THUNDERSTORMS OVER SHERIDAN COUNTY THROUGH 5 PM MDT. KYLE
Special weather statement, Aug 25, 3:58 PM MDT, 2 hours 37 minutes before
NEZ001-005-011-252300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 358 PM MDT WED AUG 25 1993 ...THUNDERSTORMS DEVELOP OVER THE NORTHEAST NEBRASKA PANHANDLE... AT 355 PM MDT...RADAR INDICATED THUNDERSTORMS OVER SHERIDAN COUNTY. THE STORMS WERE 25 MILES NORTHEAST OF ALLIANCE...OR 25 MILES NORTHWEST OF BINGHAM. THE STORMS WERE MOVING NORTHEAST AT 25 MILES AN HOUR. BRIEF HEAVY RAIN...SMALL HAIL AND DANGEROUS LIGHTNING WILL BE POSSIBLE WITH THESE THUNDERSTORMS OVER SHERIDAN COUNTY THROUGH 5 PM MDT. KYLE
Special weather statement, Aug 25, 4:14 PM MDT, 2 hours 21 minutes before
NEZ002-252315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE VALENTINE NE ISSUED BY SCOTTSBLUFF NE 414 PM MDT WED AUG 25 1993 ...STRONG THUNDERSTORMS OVER WESTERN CHERRY COUNTY... AT 411 PM MDT...RADAR INDICATED STRONG THUNDERSTORMS OVER WESTERN CHERRY COUNTY. THE STORMS WERE 24 MILES SOUTHWEST OF MERRIMAN...OR 70 MILES SOUTHWEST OF VALENTINE. THE THUNDERSTORM WAS MOVING NORTHEAST AT 5 TO 10 MILES AN HOUR. HEAVY RAIN...DANGEROUS LIGHTNING AND SMALL HAIL WILL BE POSSIBLE WITH THESE THUNDERSTORMS OVER WESTERN CHERRY COUNTY THROUGH 515 PM MDT. KYLE
Special weather statement, Aug 25, 6:09 PM MDT, 26 minutes before
WYZ073-260100 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 610 PM MDT WED AUG 25 1992 ...A STRONG THUNDERSTORM WAS OVER THE FAR SOUTHEAST CORNER OF WYOMING AT 600 PM... THE STORM WAS AFFECTING THE PINE BLUFFS AREA...ABOUT 40 MILES EAST OF CHEYENNE. MARBLE SIZE HAIL AND HEAVY RAIN OCCURRED THERE AROUND 550 PM. AT 610 PM...RADAR SHOWED THAT THE STRONGEST PART OF THE STORM HAD MOVED INTO NEBRASKA. OTHER STORMS WERE DEVELOPING OVER NORTHEAST COLORADO HOWEVER...AND MOVING NORTHEAST AT 20 MPH. THESE STORMS COULD MOVE OVER THE PINE BLUFFS AREA THROUGH ABOUT 730 PM...AND PRODUCE HEAVY RAIN AND HAIL. PEOPLE IN FAR SOUTHEAST LARAMIE COUNTY SHOULD STAY ALERT TO ANY THUNDERSTORMS IN YOUR AREA. STAY INDOORS DURING THUNDERSTORMS AWAY FROM WINDOWS AND ELECTRICAL EQUIPMENT. WCJIN-WYSE JAD
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 6:14 PM MDT | Tornado Warning | CYS | Kimball | 31 min |
| Aug 25, 6:17 PM MDT | Severe Thunderstorm Warning | CYS | Morrill | 50 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.