Alert archive / Wyoming / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 113, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 26, 1996, 9:42 PM MDT for Platte County, Wyoming. It was in force for 48 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 26, 1996, 9:42 PM MDT (03:42 UTC)
- Expired
- Jul 26, 1996, 10:30 PM MDT
- In force
- 48 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Platte County, WY
The nearest sounding before it
Rapid City, SD (KUNR), launched 00:00Z, 3.7 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
- 851 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 1589 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- -63 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- -0.1
- Supercell composite
- -1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCYS 270345 SVRCYS WYC031-270430- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 942 PM MDT FRI JUL 26 1996 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST WYOMING ...NORTHERN PLATTE COUNTY AT 941 PM MDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM IN NORTHERN PLATTE COUNTY...7 MILES NORTH OF WHEATLAND JUST EAST OF I-25. THIS STORM WAS MOVING EAST SOUTHEAST AT 25 MPH. ON PRESENT TRACK THIS STORM WIL MOVE VERY CLOSE TO THE TOWN OF GUERNSEY BY 1010 PM. PEOPLE IN NORTHERN PLATTE COUNTY SHOULD TAKE SHELTER NOW. DAMArGING WINDS AND LARGE HAIL ARE LIKELY. WCJIN-WYSE MOORE
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 26, 5:15 PM MDT, 4 hours 27 minutes before
NEZ001>003-019>021-054-055-270000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 515 PM MDT FRI JUL 26 1996 A SEVERE THUDERSTORM WATCH IS IN EFFECT FOR THE NEBRASKA PNHANDLE UNTIL 11 PM MDT. THE AIRMASS OVER THE NEBRASKA PANHANDLE IN RATHER MOIST AND UNSTABLE. CONDITIONS ARE THEREFORE FAVORABLE FOR THE DEVELOPEMENT OF SOME SEVERE THUNDERSTORM THAT PRODUCE LARGE HAIL...DANGEROUS LIGHTNING AND DAMAGING WINDS. REMAIN ALERT AND TAKE SHELTER INDOORS IF THREATENING WEATHER APPROACHES. RELAY ANY SEVERE WEATHER REPORTS TO YOUR NEAREST LAW ENFORCEMENT AGENCY FOR RELAY TO THE WEATHER SERVICE. PAL
Special weather statement, Jul 26, 5:33 PM MDT, 4 hours 9 minutes before
WYZ067-270030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 530 PM MDT FRI JUL 26 1996 AT 525 PM MDT...DOPPLER RADAR INDICATED A DEVELOPING THUNDERSTORM 20 MILES WEST SOUTHWEST OF WHEATLAND. ANOTHER STORM WAS LOCATED 30 MILES NORTHWEST OF WHEATLAND. THESE STORMS WERE MOVING TO THE SOUTHEAST AT 35 MILES AN HOUR. SMALL HAIL...BRIEF HEAVY RAIN... DANGEROUS LIGHTNING AND GUSTY WINDS TO 40 MILES AN HOUR CAN BE EXPECTED WITH THESE STORMS UNTIL 630 PM. WCJIN-WYSE PAL
Special weather statement, Jul 26, 7:35 PM MDT, 2 hours 7 minutes before
NEZ001-003-019>021-270230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 726 PM MDT FRI JUL 26 1996 AT 730 PM MDT...DOPPLER INDICATED A STRONG THUNDERSTORM 15 MILES NORTHWEST OF SCOTTSBLUFF IN SOUTHWEST SIOUX COUNTY. THE STORM WAS MOVING SOUTHEAST AT 25 MILES AN HOUR. ON THIS TRACK...THE STORM WILL BE IN THE VICINITY OF SCOTTSBLUFF BY 8 PM MDT. SMALL HAIL...BRIEF HEAVY RAIN...DANGEROUS LIGHTNING AND GUSTY WINDS CAN BE EXPECTED WITH THIS STORM UNTIL 830 PM MDT. PAL
Special weather statement, Jul 26, 7:40 PM MDT, 2 hours 2 minutes before
NEZ001-003-019>021-270230- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE CHEYENNE WY 739 PM MDT FRI JUL 26 1996 AT 730 PM MDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 15 MILES NORTHWEST OF SCOTTSBLUFF IN SOUTHWEST SIOUX COUNTY. THE STORM WAS MOVING SOUTHEAST AT 25 MILES AN HOUR. ON THIS TRACK...THE STORM WILL BE IN THE VICINITY OF SCOTTSBLUFF BY 8 PM MDT. SMALL HAIL...BRIEF HEAVY RAIN...DANGEROUS LIGHTNING AND GUSTY WINDS CAN BE EXPECTED WITH THIS STORM UNTIL 830 PM MDT. PAL
Special weather statement, Jul 26, 7:52 PM MDT, 1 hour 50 minutes before
WYZ059-064-067-270245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 750 PM MDT FRI JUL 26 1996 AT 745 PM MDT...DOPPLER RADAR INDICATED A BROAD AREA OF SHOWERS AND THUNDRSTORMS EXTENDING FROM 50 MILES NORTHWEST OF LARAMIE TO 15 MILES WEST OF DOUGLAS AND NORTHWEST TO CASPER. THE STRONGEST STORM WAS LOCATED 30 MILES WEST OF DOUGLAS ALONG THE NIOBRARA...CONVERSE COUNTY LINE. THE STORMS WERE MOVING SOUTHEAST AT 25 MILES AN HOUR. SMALL HAIL...BRIEF HEAVY RAIN AND DANGEROUS LIGHTNING CAN BE EXPECTED FROM THE STRONGER STORM AS IS MOVES ACROSS SOUTHERN CONVERSE AND NORTHERN ALBANY COUNTY THROUGH 830 PM. WCJIN-WYSE-WYNE PAL
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 8:19 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 41 min |
| Jul 26, 8:44 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 46 min |
| Jul 26, 9:28 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 47 min |
| Jul 26, 9:44 PM MDT | Severe Thunderstorm Warning | CYS | Niobrara | 61 min |
| Jul 27, 5:00 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 45 min |
| Jul 27, 5:41 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 49 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; the sounding from the Mesonet's radiosonde archive.