Alert archive / Nebraska / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 92, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 17, 2019, 1:14 PM MDT for Cheyenne County, Kimball County, Nebraska. It was in force for 46 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
- Jun 17, 2019, 1:14 PM MDT (19:14 UTC)
- Expired
- Jun 17, 2019, 2:00 PM MDT
- In force
- 46 min
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Cheyenne County, NE, Kimball County, NE
The radar
The Cheyenne radar (KCYS), 122 km from the middle of the area, began a volume at 19:15 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
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 7.2 hours before the alert went out and 231 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
- 2 J/kg
- Mixed-layer CIN
- -225 J/kg
- Mixed-layer LCL
- 882 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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.
NWS Cheyenne, WY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 17, 11:30 AM MDT, 1 hour 44 minutes earlier.
Area forecast discussion, Jun 17, 11:30 AM MDT, 1 hour 44 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>Hazardous weather outlook, Jun 17, 10:41 AM MDT, 2 hours 33 minutes before
Hazardous Weather Outlook National Weather Service Cheyenne WY 1041 AM MDT Mon Jun 17 2019 NEZ002-003-019>021-054-055-095-096-WYZ101>103-106>108-116>119- 181030- Dawes-Box Butte-Scotts Bluff-Banner-Morrill-Kimball-Cheyenne- North Sioux-South Sioux-Converse County Lower Elevations- Niobrara County-North Laramie Range- Central Laramie Range and Southwest Platte County- East Platte County-Goshen County-South Laramie Range- South Laramie Range Foothills-Central Laramie County- East Laramie County- 1041 AM MDT Mon Jun 17 2019 This hazardous weather outlook is for portions of western Nebraska...east central Wyoming and southeast Wyoming. .DAY ONE...THIS AFTERNOON AND TONIGHT Scattered to numerous thunderstorms will redevelop late this morning and continue into the evening. There is a Marginal to Slight Risk for severe thunderstorms producing wind gusts to 60 mph and large hail south of a line from Alliance to Laramie. Locally heavy rainfall may cause minor flooding of low lying areas. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY Scattered to numerous thunderstorms are expected Tuesday. Locally heavy rainfall is possible. Isolated thunderstorms are forecast Wednesday and Thursday, becoming scattered Friday through Sunday. .Spotter information statement... Spotter activation may be required from late this morning until early evening south of a line from Alliance to Laramie. WYZ104-105-109>115-181030- Ferris/Seminoe/Shirley Mountains-Shirley Basin- Central Carbon County-North Snowy Range Foothills- Southwest Carbon County-Sierra Madre Range- Upper North Platte River Basin-Snowy Range-Laramie Valley- 1041 AM MDT Mon Jun 17 2019 This hazardous weather outlook is for portions of south central Wyoming and southeast Wyoming. .DAY ONE...TODAY AND TONIGHT Scattered thunderstorms will redevelop late this morning and continue into the evening. Severe weather is not expected, however gusty winds and locally heavy rainfall are possible. A ripe snow pack remains above 9000 feet over the mountains, and rain on snow-melt could cause flooding concerns. Be alert for rapid increases in flow through area rivers and streams. A River Flood Warning continues for the Upper North Platte River at Saratoga. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY Scattered to numerous thunderstorms are expected Tuesday. Locally heavy rainfall is possible. Isolated thunderstorms are forecast Wednesday and Thursday, becoming scattered Friday through Sunday. .Spotter information statement... Spotter activation will not be required.
In the hours before
Special weather statement, Jun 17, 11:25 AM MDT, 1 hour 49 minutes before
Special Weather Statement National Weather Service Cheyenne WY 1125 AM MDT Mon Jun 17 2019 WYZ116>118-171815- South Laramie Range WY-Central Laramie County WY- South Laramie Range Foothills WY- 1125 AM MDT Mon Jun 17 2019 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN LARAMIE COUNTY UNTIL 1215 PM MDT... At 1124 AM MDT, Doppler radar was tracking a strong thunderstorm near Horse Creek, or 22 miles northwest of Cheyenne, moving east at 10 mph. Penny size hail and winds in excess of 40 mph will be possible with this storm. Locations impacted include... Whitaker and Horse Creek. This includes Interstate 25 in Wyoming between mile markers 19 and 37. PRECAUTIONARY/PREPAREDNESS ACTIONS... This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. && LAT...LON 4133 10522 4143 10523 4153 10485 4125 10483 TIME...MOT...LOC 1724Z 265DEG 10KT 4137 10510 Trudel
Special weather statement, Jun 17, 12:23 PM MDT, 51 minutes before
Special Weather Statement National Weather Service Cheyenne WY 1223 PM MDT Mon Jun 17 2019 NEZ020-021-054-055-171900- Kimball NE-Cheyenne NE-Morrill NE-Banner NE- 1223 PM MDT Mon Jun 17 2019 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN CHEYENNE... NORTHEASTERN KIMBALL...SOUTHWESTERN MORRILL AND SOUTHEASTERN BANNER COUNTIES UNTIL 100 PM MDT... At 1222 PM MDT, Doppler radar was tracking a strong thunderstorm 9 miles east of Harrisburg, or 19 miles north of Kimball, moving east southeast at 15 mph. Penny size hail and winds in excess of 40 mph will be possible with this storm. This storm will remain over mainly rural areas of northwestern Cheyenne, northeastern Kimball, southwestern Morrill and southeastern Banner Counties. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. && LAT...LON 4148 10367 4161 10362 4156 10326 4132 10342 TIME...MOT...LOC 1822Z 289DEG 12KT 4150 10357 Trudel
Special weather statement, Jun 17, 12:59 PM MDT, 15 minutes before
Special Weather Statement National Weather Service Cheyenne WY 1259 PM MDT Mon Jun 17 2019 NEZ020-054-055-171945- Kimball NE-Cheyenne NE-Banner NE- 1259 PM MDT Mon Jun 17 2019 ...SIGNIFICANT WEATHER ADVISORY FOR WEST CENTRAL CHEYENNE... NORTHEASTERN KIMBALL AND SOUTHEASTERN BANNER COUNTIES UNTIL 145 PM MDT... At 1259 PM MDT, Doppler radar was tracking a strong thunderstorm 10 miles north of Dix, or 14 miles northeast of Kimball, moving southeast at 15 mph. Nickel size hail and winds in excess of 40 mph will be possible with this storm. This strong thunderstorm will be near... Dix around 130 PM MDT. This includes Interstate 80 in Nebraska between mile markers 31 and 36. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. && LAT...LON 4140 10356 4146 10345 4133 10317 4116 10345 TIME...MOT...LOC 1859Z 320DEG 12KT 4138 10346 Trudel
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 7:41 PM MDT | Special Weather Statement | CYS | Goshen | 34 min |
| Jun 16, 9:10 PM MDT | Special Weather Statement | CYS | Carbon | 35 min |
| Jun 16, 9:30 PM MDT | Special Weather Statement | CYS | Carbon | 30 min |
| Jun 16, 11:24 PM MDT | Special Weather Statement | CYS | Albany | 51 min |
| Jun 16, 11:34 PM MDT | Special Weather Statement | CYS | 41 min | |
| Jun 16, 11:58 PM MDT | Severe Thunderstorm Warning | CYS | Albany | 47 min |
| Jun 17, 12:41 AM MDT | Special Weather Statement | CYS | Albany | 49 min |
| Jun 17, 1:25 AM MDT | Special Weather Statement | CYS | Laramie | 50 min |
| Jun 17, 2:13 AM MDT | Special Weather Statement | CYS | Laramie | 47 min |
| Jun 17, 11:25 AM MDT | Special Weather Statement | CYS | Laramie | 50 min |
| Jun 17, 2:07 PM MDT | Special Weather Statement | CYS | Laramie | 38 min |
| Jun 17, 2:53 PM MDT | Special Weather Statement | CYS | Laramie | 52 min |
| Jun 17, 2:59 PM MDT | Special Weather Statement | CYS | Goshen | 46 min |
| Jun 17, 3:01 PM MDT | Flash Flood Warning | CYS | Laramie | 114 min |
| Jun 17, 4:19 PM MDT | Flash Flood Warning | CYS | Laramie | 2 hr |
| Jun 17, 4:38 PM MDT | Flash Flood Warning | CYS | Laramie | 112 min |
| Jun 17, 4:59 PM MDT | Special Weather Statement | CYS | Goshen | 46 min |
| Jun 17, 5:24 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 51 min |
| Jun 17, 5:37 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 38 min |
| Jun 16, 7:40 PM MDT | Special Weather Statement | CYS | Box Butte | 20 min |
| Jun 16, 7:56 PM MDT | Special Weather Statement | CYS | Box Butte | 34 min |
| Jun 16, 9:06 PM MDT | Special Weather Statement | CYS | Scotts Bluff | 24 min |
| Jun 17, 12:23 PM MDT | Special Weather Statement | CYS | Banner | 37 min |
| Jun 17, 12:59 PM MDT | Special Weather Statement | CYS | Kimball | 46 min |
| Jun 17, 1:59 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne | 31 min |
| Jun 17, 2:25 PM MDT | Special Weather Statement | CYS | Kimball | 50 min |
| Jun 17, 2:36 PM MDT | Special Weather Statement | CYS | Morrill | 39 min |
| Jun 17, 3:41 PM MDT | Special Weather Statement | CYS | Kimball | 49 min |
| Jun 17, 4:53 PM MDT | Special Weather Statement | CYS | Scotts Bluff | 67 min |
| Jun 17, 5:55 PM MDT | Tornado Warning | CYS | Banner, Cheyenne, Kimball, Morrill | 35 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2019Every severe thunderstorm warning in 2019
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.