Alert archive / Wyoming / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 37, NWS Riverton, WY

June 18, 2013Johnson County, Wyoming

NWS Riverton, WY issued this severe thunderstorm warning at Jun 18, 2013, 2:38 PM MDT for Johnson County, Wyoming. It was in force for 67 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 18, 2013, 2:38 PM MDT (20:38 UTC)
Expired
Jun 18, 2013, 3:45 PM MDT
In force
67 min
Issued by
NWS Riverton, WY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Johnson County, WY

The radar

The Riverton/Lander radar (KRIW), 187 km from the middle of the area, began a volume at 20:41 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.

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 Riverton, WY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 18, 11:00 AM MDT, 3 hours 38 minutes earlier.

Area forecast discussion, Jun 18, 11:00 AM MDT, 3 hours 38 minutes before
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Hazardous weather outlook, Jun 18, 5:00 AM MDT, 9 hours 38 minutes before
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In the hours before

Special weather statement, Jun 18, 10:54 AM MDT, 3 hours 44 minutes before
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Special weather statement, Jun 18, 12:01 PM MDT, 2 hours 37 minutes before
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      <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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Special weather statement, Jun 18, 12:44 PM MDT, 1 hour 54 minutes before
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      <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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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Special weather statement, Jun 18, 1:55 PM MDT, 43 minutes before
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      <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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Special weather statement, Jun 18, 2:01 PM MDT, 37 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
201 PM MDT TUE JUN 18 2013

WYZ002-003-005-007-182045-
ABSAROKA MOUNTAINS WY-CODY FOOTHILLS WY-OWL CREEK AND BRIDGER
MOUNTAINS WY-SOUTHWEST BIG HORN BASIN WY-
201 PM MDT TUE JUN 18 2013

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN HOT SPRINGS AND
SOUTHEASTERN PARK COUNTIES UNTIL 245 PM MDT...

AT 157 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 11 MILES SOUTH OF STATE HWY 290 MILE MARKER 10...
OR 17 MILES SOUTHWEST OF MEETEETSE...MOVING NORTHEAST AT 15 MPH.

WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH
HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING.

THIS STORM WILL BE NEAR...
RURAL SOUTHEASTERN PARK COUNTY THROUGH 245 PM MDT
RURAL NORTHWESTERN HOT SPRINGS COUNTY THROUGH 245 PM MDT
RURAL NORTHERN HOT SPRINGS COUNTY THROUGH 245 PM MDT

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS... FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

BRIEF HEAVY RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES
AND UNDERPASSES...IS ALSO POSSIBLE.

REPORT HAZARDOUS WEATHER TO THE NATIONAL WEATHER SERVICE OFFICE IN
RIVERTON AT 1-800-211-1448.

LAT...LON 4423 10906 4399 10865 4378 10891 4405 10933
TIME...MOT...LOC 2001Z 216DEG 14KT 4394 10900

LYNOTT
Special weather statement, Jun 18, 2:21 PM MDT, 17 minutes before
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      </p>
      <p id="message2">
        Please try again in a few minutes.
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        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 Riverton, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 18, 1:44 AM MDTFire Weather WatchRIWFremont, Hot Springs, Johnson, Natrona, Washakie18 hr
Jun 18, 10:54 AM MDTSpecial Weather StatementRIWWashakie51 min
Jun 18, 12:01 PM MDTSpecial Weather StatementRIWJohnson44 min
Jun 18, 12:44 PM MDTSpecial Weather StatementRIWJohnson61 min
Jun 18, 1:55 PM MDTSpecial Weather StatementRIWJohnson50 min
Jun 18, 2:01 PM MDTSpecial Weather StatementRIWHot Springs44 min
Jun 18, 2:21 PM MDTSpecial Weather StatementRIWJohnson39 min
Jun 18, 3:22 PM MDTSpecial Weather StatementRIW53 min
Jun 18, 4:14 PM MDTSpecial Weather StatementRIWTeton46 min

Nearby

Severe Thunderstorm Warnings in Wyoming, 2013Every severe thunderstorm warning in 2013

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.