Alert archive / Wyoming / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 218, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Aug 22, 1996, 7:45 PM MDT for Platte County, Wyoming. It was in force for 45 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
- Aug 22, 1996, 7:45 PM MDT (01:45 UTC)
- Expired
- Aug 22, 1996, 8:30 PM MDT
- In force
- 45 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Platte County, WY
The radar
The Cheyenne radar (KCYS), 110 km from the middle of the area, began a volume at 01:44 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Rapid City, SD (KUNR), launched 00:00Z, 1.8 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
- 2705 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- 48 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 22, 1:55 PM MDT, 5 hours 50 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Special weather statement, Aug 22, 2:48 PM MDT, 4 hours 57 minutes before
WYZ069-222115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 252 PM MDT THU AUG 22 1996 ...THIS IS A TEST OF THE ABT BACKUP... PAL
Special weather statement, Aug 22, 4:23 PM MDT, 3 hours 22 minutes before
WYZ059-060-064>067-069-222255- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 422 PM MDT THU AUG 22 1996 ...THUNDERSTORMS WERE DEVELOPING IN PARTS OF SOUTHEAST WYOMING... CHEYENNE DOPPLER WEATHER RADAR SHOWED THAT WIDELY SCATTERED THUNDERSTORMS HAD DEVELOPED OVER SOUTHEAST WYOMING THIS AFTERNOON. AT 420 PM MDT...THE STRONGEST THUNDERSTORM WAS ABOUT 20 MILES SOUTHWEST OF DOUGLAS. THIS STORM WAS ON THE WEST OF EDGE OF SOME WEAKER THUNDERSTORMS ALREADY IN THE DOUGLAS AREA. ANOTHER THUNDERSTORM WAS BEGINNING TO INTENSIFY 15 MILES NORTHWEST OF CHEYENNE. ALL OF THE THUNDERSTORMS WERE MOVING EAST AT 10 MPH. THUNDERSTORMS WILL CONTINUE IN SOUTHEAST WYOMING INTO THE EVENING HOURS. A FEW OF THESE STORMS MAY PRODUCE HEAVY RAIN...GUSTY WINDS AND SMALL HAIL. SHOULD A THUNDERSTORM APPROACH YOUR LOCATION...GET TO A SAFE SHELTER. < WCJIN-WYSE-WYNE JLH
Special weather statement, Aug 22, 6:02 PM MDT, 1 hour 43 minutes before
WYZ059-060-064-067>069-230040- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 600 PM MDT THU AUG 22 1996 ...SOME STRONG THUNDERSTORMS WERE RUMBLING IN THE DOUGLAS AREA... AT 555 PM MD
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 6:39 PM MDT | Severe Thunderstorm Warning | CYS | Albany, Platte | 36 min |
| Aug 22, 7:16 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 29 min |
| Aug 22, 7:28 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 17 min |
| Aug 22, 8:25 PM MDT | Tornado Warning | CYS | Platte | 35 min |
| Aug 23, 5:16 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 29 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; radar from the NEXRAD Level II archive.