Alert archive / Wyoming / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 185, NWS Cheyenne, WY

July 4, 2019Albany County, Converse County, Platte County, Wyoming

NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 4, 2019, 9:39 PM MDT for Albany County, Converse County, Platte County, Wyoming. It was in force for 51 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 4, 2019, 9:39 PM MDT (03:39 UTC)
Expired: Jul 4, 2019, 10:30 PM MDT
In force: 51 min
Issued by: NWS Cheyenne, WY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Albany County, WY, Converse County, WY, Platte County, WY

The radar

The Cheyenne radar (KCYS), 132 km from the middle of the area, began a volume at 03:41 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 4, 2:37 PM MDT	Tornado Watch	SPC	9 hr

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 4, 7:49 PM MDT, 1 hour 50 minutes before

Special Weather Statement
National Weather Service Cheyenne WY
749 PM MDT Thu Jul 4 2019

WYZ101-102-050230-
Converse County Lower Elevations WY-Niobrara County WY-
749 PM MDT Thu Jul 4 2019

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN NIOBRARA AND
NORTHEASTERN CONVERSE COUNTIES UNTIL 830 PM MDT...

At 748 PM MDT, Doppler radar was tracking a strong thunderstorm 9
miles east of Dull Center, or 42 miles southwest of Newcastle, moving
northeast at 25 mph.

Pea size hail and wind gusts of 50 to 55 mph will be possible with
this storm.

This storm will remain over mainly rural areas of northwestern
Niobrara and northeastern Converse Counties.

A Tornado Watch remains in effect until 1000 PM MDT for east central
Wyoming.

LAT...LON 4341 10429 4332 10482 4347 10490 4350 10485
      4351 10436
TIME...MOT...LOC 0148Z 227DEG 20KT 4341 10477

Lyons

Local storm report, Jul 4, 8:33 PM MDT, 1 hour 6 minutes before

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Local storm report, Jul 4, 8:45 PM MDT, 54 minutes before

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Special weather statement, Jul 4, 8:59 PM MDT, 40 minutes before

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Special weather statement, Jul 4, 9:11 PM MDT, 28 minutes before

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    <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">
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      </p>
      <p id="message2">
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Special weather statement, Jul 4, 9:30 PM MDT, 9 minutes before

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  <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.
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      <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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The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 4, 6:12 PM MDT	Special Weather Statement	CYS	Converse	48 min
Jul 4, 6:18 PM MDT	Severe Thunderstorm Warning	CYS	Converse	24 min
Jul 4, 6:33 PM MDT	Special Weather Statement	CYS	Converse	42 min
Jul 4, 6:41 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Converse, Platte	34 min
Jul 4, 7:22 PM MDT	Special Weather Statement	CYS	Platte	53 min
Jul 4, 7:28 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Converse, Platte	32 min
Jul 4, 7:31 PM MDT	Flash Flood Warning	CYS	Albany, Converse, Platte	3 hr
Jul 4, 7:49 PM MDT	Special Weather Statement	CYS	Niobrara	41 min
Jul 4, 7:56 PM MDT	Severe Thunderstorm Warning	CYS	Converse, Platte	49 min
Jul 4, 7:59 PM MDT	Severe Thunderstorm Warning	CYS	Niobrara	46 min
Jul 4, 8:17 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Converse	43 min
Jul 4, 8:33 PM MDT	Severe Thunderstorm Warning	CYS	Converse, Goshen, Niobrara, Platte	42 min
Jul 4, 8:44 PM MDT	Severe Thunderstorm Warning	CYS	Niobrara	31 min
Jul 4, 8:54 PM MDT	Severe Thunderstorm Warning	CYS	Laramie	36 min
Jul 4, 8:56 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Converse, Platte	34 min
Jul 4, 8:59 PM MDT	Special Weather Statement	CYS	Niobrara	46 min
Jul 4, 9:09 PM MDT	Severe Thunderstorm Warning	CYS	Albany, Converse	36 min
Jul 4, 9:11 PM MDT	Special Weather Statement	CYS	Laramie	49 min
Jul 4, 9:26 PM MDT	Severe Thunderstorm Warning	CYS	Platte	49 min
Jul 4, 9:30 PM MDT	Special Weather Statement	CYS	Laramie	45 min
Jul 4, 9:40 PM MDT	Special Weather Statement	CYS	Niobrara	50 min
Jul 4, 10:11 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Platte	64 min
Jul 4, 10:30 PM MDT	Severe Thunderstorm Warning	CYS	Platte	60 min
Jul 4, 10:59 PM MDT	Severe Thunderstorm Warning	CYS	Goshen	61 min
Jul 4, 11:29 PM MDT	Special Weather Statement	CYS	Goshen	46 min
Jul 4, 11:38 PM MDT	Severe Thunderstorm Warning	CYS	Goshen	52 min
Jul 4, 11:57 PM MDT	Special Weather Statement	CYS	Goshen	48 min
Jul 5, 1:36 PM MDT	Special Weather Statement	CYS	Laramie	24 min
Jul 5, 2:28 PM MDT	Special Weather Statement	CYS	Platte	62 min
Jul 5, 2:30 PM MDT	Special Weather Statement	CYS	Niobrara	60 min
Jul 5, 2:47 PM MDT	Special Weather Statement	CYS	Laramie	28 min
Jul 5, 2:53 PM MDT	Severe Thunderstorm Warning	CYS	Niobrara	52 min
Jul 5, 3:16 PM MDT	Special Weather Statement	CYS	Laramie	29 min
Jul 5, 3:36 PM MDT	Severe Thunderstorm Warning	CYS	Niobrara	24 min
Jul 5, 3:42 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Platte	48 min
Jul 5, 3:44 PM MDT	Severe Thunderstorm Warning	CYS	Platte	46 min
Jul 5, 3:54 PM MDT	Severe Thunderstorm Warning	CYS	Niobrara	36 min
Jul 5, 4:02 PM MDT	Special Weather Statement	CYS	Laramie	28 min
Jul 5, 4:21 PM MDT	Severe Thunderstorm Warning	CYS	Niobrara	39 min
Jul 5, 4:26 PM MDT	Flash Flood Warning	CYS	Goshen, Platte	3 hr
Jul 5, 4:29 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Platte	46 min
Jul 5, 4:31 PM MDT	Severe Thunderstorm Warning	CYS	Niobrara	44 min
Jul 5, 4:55 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Platte	50 min
Jul 5, 4:56 PM MDT	Special Weather Statement	CYS	Niobrara	64 min
Jul 5, 5:15 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Platte	15 min
Jul 5, 5:24 PM MDT	Severe Thunderstorm Warning	CYS	Goshen	51 min
Jul 4, 11:17 PM MDT	Special Weather Statement	CYS	Dawes	43 min
Jul 5, 12:04 AM MDT	Special Weather Statement	CYS	Dawes	41 min
Jul 5, 12:26 AM MDT	Severe Thunderstorm Warning	CYS	Box Butte, Dawes, Sioux	34 min
Jul 5, 1:08 AM MDT	Special Weather Statement	CYS	Box Butte, Scotts Bluff	52 min
Jul 5, 4:01 PM MDT	Special Weather Statement	CYS	Banner	29 min
Jul 5, 5:07 PM MDT	Severe Thunderstorm Warning	CYS	Sioux	38 min
Jul 5, 5:12 PM MDT	Tornado Warning	CYS	Sioux	33 min
Jul 5, 5:35 PM MDT	Tornado Warning	CYS	Dawes, Sioux	25 min

Nearby

Severe Thunderstorm Warnings in Wyoming, 2019 Every 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; radar from the NEXRAD Level II archive.