Alert archive / Nebraska / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 52, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 30, 1992, 3:34 PM MDT for Box Butte County, Dawes County, Sheridan County, Nebraska. It was in force for 26 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
- Jun 30, 1992, 3:34 PM MDT (21:34 UTC)
- Expired
- Jun 30, 1992, 4:00 PM MDT
- In force
- 26 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
Counties Box Butte County, NE, Dawes County, NE, Sheridan County, NE
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 30, 3:42 PM MDT | Tornado F0 | Sheridan, NE | |
| Jun 30, 3:42 PM MDT | Tornado F0 | Sheridan, NE | |
| Jun 30, 3:48 PM MDT | Tornado F0 | Dawes, NE |
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
Rapid City, SD (KRAP), launched 12:00Z, 9.6 hours before the alert went out and 177 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
- 12 J/kg
- Mixed-layer CIN
- -520 J/kg
- Mixed-layer LCL
- 599 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 141 m²/s²
- 0-3 km storm-relative helicity
- 310 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, Jun 30, 2:27 PM MDT, 1 hour 7 minutes before
NEZ001-005-011-302125- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 227 PM MDT MON JUN 29 1992 ...STRONG THUNDERSTORMS DEVELOPED IN THE NORTH NEBRASKA PANHANDLE... AT 225 PM MDT...STRONG THUNDERSTORMS WERE LOCATED 5 MILES SOUTHEAST AND 10 MILES SOUTH OF CHADRON...MOVING TO THE NORTHEAST AT 30 MILES AN HOUR. PEOPLE IN NORTH SHERIDAN AND THE SOUTH AND EAST PARTS OF DAWES COUNTIES SHOULD BE ALERT TO RAPIDLY-CHANGING CONDITIONS. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING BREIF HEAVY RAIN...STRONG GUSTY WIND...DEADLY LIGHTNING AND SMALL HAIL. PEEK
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 2:37 PM MDT | Tornado Warning | CYS | Dawes | 38 min |
| Jun 30, 3:01 PM MDT | Tornado Warning | CYS | Dawes, Sheridan | 29 min |
| Jun 30, 4:02 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte, Sheridan | 28 min |
| Jun 30, 4:37 PM MDT | Severe Thunderstorm Warning | CYS | Sheridan | 38 min |
| Jun 29, 6:03 PM MDT | Severe Thunderstorm Warning | CYS | Sheridan | 27 min |
| Jun 29, 6:59 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 46 min |
| Jun 29, 7:37 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 53 min |
| Jun 29, 7:55 PM MDT | Tornado Warning | CYS | Platte | 35 min |
| Jun 29, 8:31 PM MDT | Tornado Warning | CYS | Goshen, Platte | 29 min |
| Jun 30, 12:51 PM MDT | Severe Thunderstorm Warning | CYS | Big Horn | 32 min |
| Jun 30, 2:56 PM MDT | Severe Thunderstorm Warning | CYS | Johnson | 26 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1992Every severe thunderstorm warning in 1992
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.