Alert archive / Wyoming / Special Weather Statements in 2019
Special Weather Statement, NWS Cheyenne, WY
NWS Cheyenne, WY issued this special weather statement at Jul 1, 2019, 2:01 PM MDT. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 1, 2019, 2:01 PM MDT (20:01 UTC)
- Expired
- Jul 1, 2019, 2:45 PM MDT
- In force
- 44 min
- Issued by
- NWS Cheyenne, WY
The radar
The Riverton/Lander radar (KRIW), 209 km from the middle of the area, began a volume at 20:05 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
Riverton, WY (KRIW), launched 12:00Z, 8.0 hours before the alert went out and 203 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
- 22 J/kg
- Mixed-layer CIN
- -160 J/kg
- Mixed-layer LCL
- 1225 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Jul 1, 11:50 AM MDT, 2 hours 11 minutes earlier.
Area forecast discussion, Jul 1, 11:50 AM MDT, 2 hours 11 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.
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</html>Hazardous weather outlook, Jul 1, 10:27 AM MDT, 3 hours 34 minutes before
Hazardous Weather Outlook National Weather Service Cheyenne WY 1027 AM MDT Mon Jul 1 2019 NEZ002-003-019>021-054-055-095-096-WYZ101>119-021000- Dawes-Box Butte-Scotts Bluff-Banner-Morrill-Kimball-Cheyenne- North Sioux-South Sioux-Converse County Lower Elevations- Niobrara County-North Laramie Range- Ferris/Seminoe/Shirley Mountains-Shirley Basin- Central Laramie Range and Southwest Platte County- East Platte County-Goshen County-Central Carbon County- North Snowy Range Foothills-Southwest Carbon County- Sierra Madre Range-Upper North Platte River Basin-Snowy Range- Laramie Valley-South Laramie Range-South Laramie Range Foothills- Central Laramie County-East Laramie County- 1027 AM MDT Mon Jul 1 2019 This hazardous weather outlook is for portions of western Nebraska...east central Wyoming...south central Wyoming and southeast Wyoming. .DAY ONE...TODAY AND TONIGHT Isolated to scattered afternoon and evening thunderstorms are expected. A few of the storms may become strong to marginally severe over southeast Wyoming along and east of Interstate 25, and over the southern Nebraska Panhandle. Strong wind gusts appear to be the main threat though some hail is possible as well. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY Scattered afternoon and evening thunderstorms will be possible nearly every day through the weekend. .Spotter information statement... Spotter activation is not expected.
In the hours before
Special weather statement, Jul 1, 2:01 PM MDT, 0 minutes before
Special Weather Statement
National Weather Service Cheyenne WY
201 PM MDT Mon Jul 1 2019
WYZ101-012045-
Converse County Lower Elevations WY-
201 PM MDT Mon Jul 1 2019
...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN CONVERSE COUNTY
UNTIL 245 PM MDT...
At 200 PM MDT, Doppler radar was tracking a strong thunderstorm 7
miles northeast of Edgerton, or 28 miles southeast of Kaycee, moving
east at 20 mph.
Penny size hail and wind gusts up to 50 mph will be possible with
this storm.
This storm will remain over mainly rural areas of northwestern
Converse County.
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 4349 10585 4338 10592 4341 10607 4349 10608
4350 10607 4350 10585
TIME...MOT...LOC 2000Z 287DEG 17KT 4350 10615
CoxThe office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 6:22 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 38 min |
| Jun 30, 6:23 PM MDT | Special Weather Statement | CYS | Niobrara | 52 min |
| Jun 30, 6:33 PM MDT | Special Weather Statement | CYS | Goshen | 42 min |
| Jun 30, 6:35 PM MDT | Special Weather Statement | CYS | Platte | 40 min |
| Jun 30, 6:36 PM MDT | Special Weather Statement | CYS | Laramie | 39 min |
| Jun 30, 6:43 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 32 min |
| Jun 30, 6:48 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie, Platte | 42 min |
| Jun 30, 6:53 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 52 min |
| Jun 30, 7:10 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 35 min |
| Jun 30, 7:13 PM MDT | Special Weather Statement | CYS | Laramie | 47 min |
| Jun 30, 7:22 PM MDT | Special Weather Statement | CYS | Goshen | 38 min |
| Jun 30, 7:26 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Goshen, Niobrara, Platte | 34 min |
| Jun 30, 7:46 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 29 min |
| Jun 30, 8:07 PM MDT | Special Weather Statement | CYS | Niobrara | 53 min |
| Jul 1, 2:32 PM MDT | Special Weather Statement | CYS | Laramie | 43 min |
| Jul 1, 2:37 PM MDT | Special Weather Statement | CYS | Converse | 53 min |
| Jul 1, 2:52 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 38 min |
| Jul 1, 3:13 PM MDT | Special Weather Statement | CYS | Laramie | 32 min |
| Jul 1, 3:18 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 42 min |
| Jul 1, 3:22 PM MDT | Special Weather Statement | CYS | Albany | 38 min |
| Jul 1, 3:40 PM MDT | Severe Thunderstorm Warning | CYS | Converse | 50 min |
| Jul 1, 3:44 PM MDT | Special Weather Statement | CYS | Laramie | 31 min |
| Jul 1, 3:49 PM MDT | Special Weather Statement | CYS | Laramie | 26 min |
| Jul 1, 4:09 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara | 36 min |
| Jul 1, 4:13 PM MDT | Special Weather Statement | CYS | Laramie | 47 min |
| Jul 1, 4:14 PM MDT | Special Weather Statement | CYS | Laramie | 46 min |
| Jul 1, 4:30 PM MDT | Special Weather Statement | CYS | Platte | 45 min |
| Jul 1, 4:44 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara | 46 min |
| Jul 1, 5:12 PM MDT | Special Weather Statement | CYS | Platte | 33 min |
| Jul 1, 5:15 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Niobrara, Platte | 45 min |
| Jul 1, 5:35 PM MDT | Special Weather Statement | CYS | Laramie | 40 min |
| Jul 1, 5:40 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 35 min |
| Jul 1, 5:44 PM MDT | Special Weather Statement | CYS | Platte | 46 min |
| Jul 1, 5:53 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Niobrara | 37 min |
| Jun 30, 8:09 PM MDT | Special Weather Statement | CYS | Banner | 51 min |
| Jun 30, 8:14 PM MDT | Special Weather Statement | CYS | Scotts Bluff | 46 min |
| Jun 30, 8:23 PM MDT | Special Weather Statement | CYS | Cheyenne | 52 min |
| Jun 30, 8:27 PM MDT | Special Weather Statement | CYS | Kimball | 48 min |
| Jun 30, 9:13 PM MDT | Special Weather Statement | CYS | Banner, Cheyenne, Kimball | 47 min |
| Jun 30, 9:39 PM MDT | Severe Thunderstorm Warning | CYS | Banner, Cheyenne, Kimball, Morrill | 36 min |
| Jun 30, 10:06 PM MDT | Severe Thunderstorm Warning | CYS | Banner, Box Butte, Morrill, Scotts Bluff, Sioux | 54 min |
| Jun 30, 11:00 PM MDT | Special Weather Statement | CYS | Box Butte | 45 min |
Nearby
Special Weather Statements in Wyoming, 2019Every special weather statement 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.