Alert archive / Nebraska / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 147, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 31, 1996, 4:10 PM MDT for Box Butte County, Sioux County, Nebraska. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 31, 1996, 4:10 PM MDT (22:10 UTC)
- Expired
- Jul 31, 1996, 4:40 PM MDT
- In force
- 30 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
Counties Box Butte County, NE, Sioux County, NE
The nearest sounding before it
Rapid City, SD (KUNR), launched 12:00Z, 10.2 hours before the alert went out and 196 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
- 30 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 669 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 94 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, Jul 31, 12:17 PM MDT, 3 hours 53 minutes before
WYZ059-064-066-067-069-070-311900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 1210 PM MDT WED JUL 31 1996 AT 1205 PM MDT...DOPPLER RADAR INDICATED THUNDERSTORMS DEVELOPING OVER EAST CENTRAL AND SOUTHEAST WYOMING. ONE STORM THAT DEVELOPED OVER EASTERN NATRONA COUNTY WAS MOVING INTO THE WEST END OF CONVERSE COUNTY AND WAS LOCATED 15 MILES WEST OF GLENROCK OR 35 MILES WEST NORTHWEST OF DOUGLAS. A SECOND STRONG THUNDERSTORM WAS LOCATED 25 MILES NORTHWEST OF WHEATLAND IN PLATTE COUNTY. A THIRD STORM WAS LOCATED OVER NORTH CHEYENNE. THIS STORM WAS PRODUCING SMALL HAIL...1/2 INCH IN DIAMETER. STORMS WERE MOVING TO THE SOUTHEAST AT 20 MILES AN HOUR. SMALL HAIL...XBRIEF HEAVY RAIN...DANGEROUS LIGHTNING AND GUSTY WINDS TO 45 MILES AN HOUR CAN BE EXPECTED WITH THESE STORMS UNTIL 115 PM. WCJIN-WYSE-WYNE PAL
Special weather statement, Jul 31, 2:23 PM MDT, 1 hour 47 minutes before
NEZ001-019-020-054-312115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 216 PM MDT WED JUL 31 1996 A NUMBER OR SEVERE THUNDERSTORMS HAVE DEVELOPED OVER THE EAST WYOMING PLAINS THIS AFTERNOON. A TORNADO WARNING RMAINS IN EFFECT OF STORMS IN NIOBRARA COUNTY WYOMING. A SEVERE THUNDERSTORMS WARNING IS CURRENTLY IN EFFECT FOR A STORM IN SOUTHERN GOSHEN COUNTY WYOMING. STRONG STORMS WERE ALSO INDICATED IN EASTERN LARAMIE COUNTY. THESE STOTRMS WERE MOVING SOUTHEAST AT 25 MILES AN HOUR AND WILL ENTER SIOUX...SCOTTS BLUFF AND KIMBALL COUNTIES BETWEEN 230 TO 300 PM. A TORNADO WATCH REMAINS IN EFFECT FOR THE NEBRASKA PANHANDLE UNTIL 9 PM MDT. PAL
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 7:04 PM MDT | Severe Thunderstorm Warning | CYS | Banner | 26 min |
| Jul 30, 7:30 PM MDT | Severe Thunderstorm Warning | CYS | Banner, Kimball | 45 min |
| Jul 30, 8:15 PM MDT | Severe Thunderstorm Warning | CYS | Kimball | 25 min |
| Jul 31, 3:07 PM MDT | Severe Thunderstorm Warning | CYS | Sioux | 68 min |
| Jul 30, 6:44 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 31 min |
| Jul 31, 1:43 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 62 min |
| Jul 31, 2:00 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 60 min |
| Jul 31, 2:04 PM MDT | Tornado Warning | CYS | Niobrara | 56 min |
| Jul 31, 2:28 PM MDT | Tornado Warning | CYS | Converse | 32 min |
| Jul 31, 2:40 PM MDT | Tornado Warning | CYS | Goshen | 50 min |
| Jul 31, 2:52 PM MDT | Tornado Warning | CYS | Laramie | 38 min |
| Jul 31, 3:28 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 47 min |
| Jul 31, 3:35 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 40 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1996Every severe thunderstorm warning in 1996
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.