Alert archive / Wyoming / Special Weather Statements in 2021
Special Weather Statement, NWS Cheyenne, WY
NWS Cheyenne, WY issued this special weather statement at May 4, 2021, 6:37 PM MDT for Laramie County, Wyoming. It was in force for 38 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
- May 4, 2021, 6:37 PM MDT (00:37 UTC)
- Expired
- May 4, 2021, 7:15 PM MDT
- In force
- 38 min
- Issued by
- NWS Cheyenne, WY
County Laramie County, WY
The radar
The Cheyenne radar (KCYS), 21 km from the middle of the area, began a volume at 00:37 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 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 May 4, 5:21 PM MDT, 1 hour 16 minutes earlier.
Area forecast discussion, May 4, 5:21 PM MDT, 1 hour 16 minutes before
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<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.
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Please try again in a few minutes.
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</html>Hazardous weather outlook, May 4, 4:39 AM MDT, 13 hours 58 minutes before
Hazardous Weather Outlook National Weather Service Cheyenne WY 439 AM MDT Tue May 4 2021 WYZ101>119-051045- 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- 439 AM MDT Tue May 4 2021 This hazardous weather outlook is for portions of east central Wyoming...south central Wyoming and southeast Wyoming. .DAY ONE...TODAY AND TONIGHT Patchy fog, dense at times, will linger this morning in and around the mountains of southeast Wyoming. Visibilities may be reduced to one half mile at times. Isolated afternoon and evening thunderstorms are possible today. A few thunderstorms may contain small hail and brief heavy rain. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY Widely scattered thunderstorms are possible Wednesday. A few thunderstorms may contain small hail. .Spotter information statement... Spotter activation will not be required. NEZ002-003-019>021-054-055-095-096-051045- Dawes County-Box Butte County-Scotts Bluff County-Banner County- Morrill County-Kimball County-Cheyenne County- Northern Sioux County-Southern Sioux County- 439 AM MDT Tue May 4 2021 This hazardous weather outlook is for portions of panhandle Nebraska. .DAY ONE...TODAY AND TONIGHT Isolated afternoon and evening thunderstorms are possible today. A few thunderstorms may contain small hail and brief heavy rain. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY Isolated thunderstorms are possible Wednesday and each day next weekend. .Spotter information statement... Spotter activation will not be required.
In the hours before
Special weather statement, May 4, 1:43 PM MDT, 4 hours 54 minutes before
Special Weather Statement
National Weather Service Cheyenne WY
143 PM MDT Tue May 4 2021
WYZ106>108-042015-
East Platte County WY-
Central Laramie Range and Southwest Platte County WY-
Goshen County WY-
143 PM MDT Tue May 4 2021
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN GOSHEN AND
SOUTHEASTERN PLATTE COUNTIES UNTIL 215 PM MDT...
At 143 PM MDT, Doppler radar was tracking a strong thunderstorm near
Slater, or 17 miles southeast of Wheatland, moving east at 35 mph.
Wind gusts of 50 to 55 mph will be possible with this storm.
Locations impacted include...
Chugwater and Slater.
This includes Interstate 25 in Wyoming between mile markers 54 and
68.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
office in Cheyenne.
&&
LAT...LON 4173 10465 4175 10465 4173 10466 4175 10491
4190 10493 4195 10444 4172 10443
TIME...MOT...LOC 1943Z 263DEG 32KT 4182 10481
HammerSpecial weather statement, May 4, 1:49 PM MDT, 4 hours 48 minutes before
Special Weather Statement National Weather Service Cheyenne WY 149 PM MDT Tue May 4 2021 WYZ116>119-042015- South Laramie Range WY-Central Laramie County WY- South Laramie Range Foothills WY-East Laramie County WY- 149 PM MDT Tue May 4 2021 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN LARAMIE COUNTY UNTIL 215 PM MDT... At 149 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from 11 miles northwest of Hillsdale to 9 miles southeast of Crystal Lake Campground. Movement was east at 30 mph. Pea size hail and wind gusts up to 50 mph will be possible with these storms. Locations impacted include... Cheyenne, Pine Bluffs, Burns, South Greeley, Hillsdale, Ranchettes, Warren AFB, Frontier Park, North Cheyenne, Warren Af Base, Carpenter, Fox Farm-College and South Greeley High. This includes the following highways... Interstate 25 in Wyoming between mile markers 1 and 27. Interstate 80 in Wyoming between mile markers 343 and 402. PRECAUTIONARY/PREPAREDNESS ACTIONS... To report severe weather, contact your nearest law enforcement agency. They will relay your report to the National Weather Service office in Cheyenne. && LAT...LON 4143 10481 4136 10406 4100 10406 4100 10527 TIME...MOT...LOC 1949Z 272DEG 28KT 4135 10461 4104 10510 Hammer
Special weather statement, May 4, 2:18 PM MDT, 4 hours 19 minutes before
Special Weather Statement National Weather Service Cheyenne WY 218 PM MDT Tue May 4 2021 NEZ054-WYZ116>119-042100- Kimball NE-South Laramie Range WY-Central Laramie County WY- South Laramie Range Foothills WY-East Laramie County WY- 218 PM MDT Tue May 4 2021 ...SIGNIFICANT WEATHER ADVISORY FOR WESTERN KIMBALL AND SOUTHEASTERN LARAMIE COUNTIES UNTIL 300 PM MDT... At 217 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from 7 miles north of Hillsdale to 7 miles north of Natural Fort. Movement was east at 20 mph. Pea size hail and winds in excess of 40 mph will be possible with these storms. Locations impacted include... Cheyenne, Pine Bluffs, Burns, South Greeley, Hillsdale, Panorama Point, Warren AFB, Frontier Park, Warren Af Base, Carpenter, Ranchettes, Fox Farm-College and South Greeley High. This includes the following highways... Interstate 25 in Wyoming between mile markers 1 and 13. Interstate 80 in Wyoming between mile markers 353 and 402. Interstate 80 in Nebraska between mile markers 1 and 3. PRECAUTIONARY/PREPAREDNESS ACTIONS... Frequent cloud to ground lightning is occurring with these storms. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. && LAT...LON 4101 10517 4138 10445 4139 10396 4100 10402 TIME...MOT...LOC 2017Z 271DEG 16KT 4133 10447 4106 10497 Hammer/Wilkinson
Special weather statement, May 4, 3:23 PM MDT, 3 hours 14 minutes before
Special Weather Statement National Weather Service Cheyenne WY 323 PM MDT Tue May 4 2021 WYZ117-118-042200- Central Laramie County-South Laramie Range Foothills- 323 PM MDT Tue May 4 2021 ...A STRONG THUNDERSTORM WILL AFFECT SOUTH CENTRAL LARAMIE COUNTY... At 323 PM MDT, a strong thunderstorm was located over Cheyenne, moving east at 20 mph. Winds in excess of 40 mph and pea size hail are likely with this storm. This storm will remain over mainly rural areas of south central Laramie County, including the following locations...Fox Farm-College and South Greeley High. This includes the following highways... Interstate 25 in Wyoming between mile markers 6 and 13. Interstate 80 in Wyoming between mile markers 358 and 374. If outdoors, consider seeking shelter inside a building. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. LAT...LON 4103 10484 4116 10490 4126 10458 4105 10456 TIME...MOT...LOC 2123Z 256DEG 16KT 4112 10478 Jamski
Special weather statement, May 4, 4:04 PM MDT, 2 hours 33 minutes before
Special Weather Statement
National Weather Service Cheyenne WY
404 PM MDT Tue May 4 2021
WYZ118-119-042245-
Central Laramie County-East Laramie County-
404 PM MDT Tue May 4 2021
...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN LARAMIE COUNTY...
At 404 PM MDT, a strong thunderstorm was located 7 miles south of
Hillsdale, or 15 miles east of Cheyenne, moving east at 25 mph.
Winds in excess of 40 mph and pea size hail are possible with this
storm.
This storm will remain over mainly rural areas of southeastern
Laramie County.
This includes Interstate 80 in Wyoming between mile markers 375 and
393.
If outdoors, consider seeking shelter inside a building.
LAT...LON 4106 10458 4116 10457 4119 10421 4110 10420
4103 10421
TIME...MOT...LOC 2204Z 272DEG 22KT 4110 10449
JamskiSpecial weather statement, May 4, 4:45 PM MDT, 1 hour 52 minutes before
Special Weather Statement National Weather Service Cheyenne WY 445 PM MDT Tue May 4 2021 WYZ110-114-115-042330- North Snowy Range Foothills-Laramie Valley-Snowy Range- 445 PM MDT Tue May 4 2021 ...A STRONG THUNDERSTORM WILL AFFECT EAST CENTRAL CARBON AND WEST CENTRAL ALBANY COUNTIES... At 444 PM MDT, a strong thunderstorm was located near Elk Mountain, or 46 miles east of Rawlins, moving southeast at 30 mph. Winds in excess of 40 mph and pea size hail are likely with this storm. This storm will be near... Arlington around 500 PM MDT. This includes Interstate 80 in Wyoming between mile markers 259 and 284. If outdoors, consider seeking shelter inside a building. LAT...LON 4162 10646 4181 10634 4167 10591 4146 10606 TIME...MOT...LOC 2244Z 294DEG 26KT 4168 10634 Jamski
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 4:08 PM MDT | Special Weather Statement | CYS | Laramie | 37 min |
Nearby
Special Weather Statements in Wyoming, 2021Every special weather statement in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.