Alert archive / Wyoming / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 191, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Aug 15, 1996, 2:25 PM MDT for Platte County, Wyoming. It was in force for 50 min. 2 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
- Aug 15, 1996, 2:25 PM MDT (20:25 UTC)
- Expired
- Aug 15, 1996, 3:15 PM MDT
- In force
- 50 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Platte County, WY
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 15, 2:25 PM MDT | Hail 1.75 | Glendo, WY | |
| Aug 15, 2:40 PM MDT | Hail 1.75 | Glendo, WY |
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.
The nearest sounding before it
Rapid City, SD (KUNR), launched 12:00Z, 8.4 hours before the alert went out and 274 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
- 1918 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 158 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, Aug 15, 9:58 AM MDT, 4 hours 27 minutes before
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</html>Special weather statement, Aug 15, 12:24 PM MDT, 2 hours 1 minute before
WYZ059-060-064-065-066-067-068-069-070-151930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 1225 PM MDT THU AUG 15 1996 ...THUNDERSTORMS DEVELOPING OVER SOUTHEAST WYOMING... AT 1220 PM MDT...DOPPLER RADAR INDICATED SEVERAL THUNDERSTORMS DEVELOPING OVER SOUTHEAST WYOMING. THE STRONGEST STORMS WERE IN NORTHWEST ALBANY COUNTY 50 MILES NORTH OF LARAMIE...AND IN NORTHWEST PLATTE COUNTY 20 MILES NORTHWEST OF WHEATLAND. THE STORMS WERE MOVING SOUTHEAST AT 15 MPH. THUNDERSTORMS WILL CONTINUE TO DEVELOP OVER SOUTHEAST WYOMING THROUGH THE AFTERNOON. SOME STORMS WILL HAVE THE POTENTIAL TO PRODUCE STRONG GUSTY WINDS...HAIL...HEAVY RAIN...AND FREQUENT DEADLY LIGHTNING. WCJIN-WYSE-WYNE ROBINSON
Special weather statement, Aug 15, 12:54 PM MDT, 1 hour 31 minutes before
WYZ059-060-064-065-066-067-068-069-070-152000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 1254 PM MDT THU AUG 15 1996 ...STRONG THUNDERSTORMS CONTINUE RUMBLING OVER SOUTHEAST AND EAST CENTRAL WYOMING... AT 1252 PM MDT...DOPPLER RADAR CONTINUED TO SHOW THUNDERSTORMS DEVELOPING OVER SOUTHEAST AND EAST CENTRAL WYOMING. THE STRONGEST STORM WAS IN SOUTHWEST NIOBRARA COUNTY...20 MILES WEST OF LUSK. THE STORMS WERE MOVING SOUTHEAST AT 15 MPH. AREAL COVERAGE OF THUNDERSTORMS HAS INCREASED OVER THE PAST HOUR. SOME STORMS WILL HAVE THE POTENTIAL TO PRODUCE STRONG GUSTY WINDS...HAIL...HEAVY RAIN...AND FREQUENT DEADLY LIGHTNING. WCJIN-WYSE-WYNE ROBINSON
Special weather statement, Aug 15, 1:34 PM MDT, 51 minutes before
WYZ059-060-064-065-066-067-068-069-070-152030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 133 PM MDT THU AUG 15 1996 ...THUNDERSTORMS MOVING OVER SOUTHEAST AND EAST CENTRAL WYOMING... AT 130 PM MDT...THUNDERSTORMS CONTINUED TO MOVE ACROSS SOUTHEAST AND EAST CENTRAL WYOMING. THE STRONGEST STORMS WERE IN SOUTHWEST NIOBRARA COUNTY 15 MILES WEST OF LUSK...AND NEAR THE INTERSECTION OF ALBANY... CONVERSE...AND PLATTE COUNTIES. THE STORMS WERE MOVING SOUTHEAST AT 20 MPH. SMALL HAIL...STRONG GUSTY WINDS...AND HEAVY RAIN ALONG WITH DANGEROUS LIGHTNING WILL BE THE MAIN HAZARDS FROM THESE STORMS. STAY INDOORS WHEN STORMS ARE IN YOUR AREA AND REMAIN AWAY FROM WINDOWS. WCJIN-WYSE-WYNE ROBINSON
Special weather statement, Aug 15, 1:41 PM MDT, 44 minutes before
NEZ002-152045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 140 PM MDT THU AUG 15 1996 ...A STRONG THUNDERSTORM HAS DEVELOPED OVER SOUTHERN DAWES COUNTY IN THE NEBRASKA PANHANDLE... AT 138 PM MDT...CHEYENNE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM DEVELOPING OVER SOUTHERN DAWES COUNTY...20 MILES SOUTHWEST OF CHADRON. THIS STORM IS MOVING EAST AT 20 MPH AND WILL BE IN WESTERN SHERIDAN COUNTY BY 220 PM MDT. HEAVY RAIN....GUSTY WINDS...DEADLY LIGHTNING AND SOME SMALL HAIL WILL BE NOTED IN SOUTHERN DAWES COUNTY UNTIL 215 PM MDT. ROBINSON
Special weather statement, Aug 15, 2:14 PM MDT, 11 minutes before
WYZ059-060-064-065-066-067-068-069-070-NEZ001-002-003-019-020-021- 054-055-152115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 213 PM MDT THU AUG 15 1996 ...THUNDERSTORMS MARCHING ACROSS SOUTHEAST AND EAST CENTRAL WYOMING INTO THE NEBRASKA PANHANDLE... AT 209 PM MDT...CHEYENNE WEATHER RADAR INDICATED SEVERAL STRONG THUNDERSTORMS IN SOUTHEAST AND EAST CENTRAL WYOMING...AS WELL AS SIOUX AND DAWES COUNTIES IN THE NEBRASKA PANHANDLE. THE STORMS WERE MOVING SOUTHEAST AT 20 MPH AND ARE EXPECTED TO MOVE INTO THE REMAINDER OF THE NEBRASKA PANHANDLE BY 400 PM MDT. STRONG GUSTY WINDS...HEAVY RAIN...DEADLY LIGHTNING AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS. IF YOU AR E IN THE PATH OF A STORM TAKE COVER INDOORS AND REMAIN AWAY FROM WINDOWS. WCJIN-WYSE-WYNE ROBINSON
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 6:31 PM MDT | Severe Thunderstorm Warning | CYS | Banner | 44 min |
| Aug 14, 6:54 PM MDT | Severe Thunderstorm Warning | CYS | Scotts Bluff | 51 min |
| Aug 14, 7:45 PM MDT | Severe Thunderstorm Warning | CYS | Scotts Bluff | 45 min |
| Aug 15, 3:21 PM MDT | Severe Thunderstorm Warning | CYS | Dawes | 39 min |
| Aug 15, 3:48 PM MDT | Severe Thunderstorm Warning | CYS | Kimball | 42 min |
| Aug 15, 3:55 PM MDT | Severe Thunderstorm Warning | CYS | Dawes | 50 min |
| Aug 15, 3:59 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte | 46 min |
| Aug 15, 4:18 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne | 42 min |
| Aug 15, 4:26 PM MDT | Severe Thunderstorm Warning | CYS | Kimball | 34 min |
| Aug 15, 4:32 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte | 43 min |
| Aug 15, 4:46 PM MDT | Severe Thunderstorm Warning | CYS | Dawes | 44 min |
| Aug 15, 4:50 PM MDT | Tornado Warning | CYS | Cheyenne, Kimball | 40 min |
| Aug 15, 4:55 PM MDT | Severe Thunderstorm Warning | CYS | Morrill | 50 min |
| Aug 15, 5:45 PM MDT | Severe Thunderstorm Warning | CYS | Morrill | 30 min |
| Aug 14, 6:13 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 32 min |
| Aug 14, 6:44 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 31 min |
| Aug 14, 6:45 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 45 min |
| Aug 14, 7:30 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 45 min |
| Aug 14, 8:23 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 52 min |
| Aug 15, 2:29 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 31 min |
| Aug 15, 2:36 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 54 min |
| Aug 15, 2:58 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 47 min |
| Aug 15, 3:29 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 46 min |
| Aug 15, 4:29 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 31 min |
| Aug 15, 5:46 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 44 min |
Nearby
Severe Thunderstorm Warnings in Wyoming, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.