Alert archive / Wyoming / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 42, NWS Riverton, WY

June 24, 2008Fremont County, Wyoming

NWS Riverton, WY issued this severe thunderstorm warning at Jun 24, 2008, 3:28 PM MDT for Fremont County, Wyoming. It was in force for 27 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 24, 2008, 3:28 PM MDT (21:28 UTC)
Expired
Jun 24, 2008, 3:55 PM MDT
In force
27 min
Issued by
NWS Riverton, WY
Area
Storm-based polygon

County Fremont County, WY

The radar

The Riverton/Lander radar (KRIW), 13 km from the middle of the area, began a volume at 21:30 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 24, 2:56 AM MDT, 12 hours 32 minutes earlier.

Area forecast discussion, Jun 24, 2:56 AM MDT, 12 hours 32 minutes before
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Hazardous weather outlook, Jun 24, 11:45 AM MDT, 3 hours 43 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
1145 AM MDT TUE JUN 24 2008

WYZ001>020-022>030-251100-
ABSAROKA MOUNTAINS-BIGHORN MOUNTAINS SOUTHEAST-
BIGHORN MOUNTAINS WEST-CASPER MOUNTAIN-CODY FOOTHILLS-
EAST SWEETWATER COUNTY-FLAMING GORGE-
GREEN MOUNTAINS AND RATTLESNAKE RANGE-JACKSON HOLE-LANDER FOOTHILLS-
NATRONA COUNTY LOWER ELEVATIONS-NORTH BIG HORN BASIN-
NORTHEAST JOHNSON COUNTY-OWL CREEK AND BRIDGER MOUNTAINS-
ROCK SPRINGS AND GREEN RIVER-SALT RIVER AND WYOMING RANGES-
SOUTH LINCOLN COUNTY-SOUTHEAST BIG HORN BASIN-
SOUTHEAST JOHNSON COUNTY-SOUTHWEST BIG HORN BASIN-STAR VALLEY-
TETON AND GROS VENTRE MOUNTAINS-UPPER GREEN RIVER BASIN-
UPPER GREEN RIVER BASIN FOOTHILLS-UPPER WIND RIVER BASIN-
WIND RIVER BASIN-WIND RIVER MOUNTAINS EAST-WIND RIVER MOUNTAINS WEST-
YELLOWSTONE NATIONAL PARK-
1145 AM MDT TUE JUN 24 2008

...FLOOD WARNING IN EFFECT FOR LOCATIONS ALONG THE NORTH FORK
SHOSHONE RIVER IN PARK COUNTY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT

ISOLATED STRONG TO SEVERE THUNDERSTORMS ARE ONCE AGAIN POSSIBLE
THIS AFTERNOON AND EVENING ACROSS JOHNSON COUNTY.  THESE STORMS
WILL BE CAPABLE OF PRODUCING HAIL AND DAMAGING WIND GUSTS OVER 60
MPH. ISOLATED HIGH-BASED THUNDERSTORMS OVER WESTERN AND CENTRAL
WYOMING WILL BE WEAKER BUT CAPABLE OF PRODUCING STRONG WIND GUSTS
NEAR 40 MPH ALONG WITH OCCASIONAL CLOUD TO GROUND LIGHTNING. PEOPLE
PLANNING OUTDOOR ACTIVITIES THIS AFTERNOON AND EVENING SHOULD BE
PREPARED TO SEEK NEARBY SHELTER AS THESE STORMS DEVELOP.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THE POSSIBILITY OF AFTERNOON AND EVENING THUNDERSTORMS WILL
CONTINUE ACROSS MAINLY NORTH AND EAST-CENTRAL WYOMING WEDNESDAY
THROUGH THURSDAY EVENING.  ISOLATED SEVERE THUNDERSTORMS WITH LARGE
HAIL AND DAMAGING WIND WILL BE POSSIBLE...MAINLY OVER JOHNSON COUNTY
AND NATRONA COUNTIES LATE DAY WEDNESDAY CONTINUING INTO THURSDAY.

SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT ANY HAIL SIZES...ALONG WITH ANY
WINDS OF 40 MPH OR GREATER THIS AFTERNOON AND EVENING.

TEAM RIVERTON

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 6:21 PM MDTSevere Thunderstorm WarningRIWJohnson24 min
Jun 23, 6:46 PM MDTSevere Thunderstorm WarningRIWJohnson14 min
Jun 23, 7:42 PM MDTSevere Thunderstorm WarningRIWJohnson33 min
Jun 24, 4:20 PM MDTSevere Thunderstorm WarningRIWFremont25 min
Jun 24, 4:51 PM MDTSpecial Weather StatementRIW24 min
Jun 24, 5:05 PM MDTSpecial Weather StatementRIWNatrona55 min
Jun 24, 5:43 PM MDTSpecial Weather StatementRIWNatrona62 min
Jun 24, 5:47 PM MDTSpecial Weather StatementRIWSweetwater58 min
Jun 24, 5:50 PM MDTSpecial Weather StatementRIWJohnson55 min

Nearby

Severe Thunderstorm Warnings in Wyoming, 2008Every severe thunderstorm warning in 2008

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.