Tornado Warning 4, NWS Riverton, WY

Issued

Jun 8, 2011, 7:46 PM MDT (01:46 UTC)

Expired

Jun 8, 2011, 8:15 PM MDT

In force

29 min

Issued by

NWS Riverton, WY

Area

Storm-based polygon

County Natrona County, WY

The Riverton/Lander radar (KRIW), 186 km from the middle of the area, began a volume at 01:48 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.

131 
WFUS55 KRIW 090146
TORRIW
WYC025-090215-
/O.NEW.KRIW.TO.W.0004.110609T0146Z-110609T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE RIVERTON WY
746 PM MDT WED JUN 8 2011

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A

* TORNADO WARNING FOR...
  EAST CENTRAL NATRONA COUNTY IN CENTRAL WYOMING...

* UNTIL 815 PM MDT

* AT 743 PM MDT...DOPPLER RADAR CONTINUES TO INDICATE A POSSIBLE
  TORNADO NORTH OF CASPER NEAR MILEPOST 197. THIS STORM WAS MOVING
  EAST AT 30 MPH. LARGE HAIL LARGER THAN ONE INCH IN DIAMETER WILL
  OCCUR WITH THIS STORM.

* THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF EAST CENTRAL
  NATRONA COUNTY.

THIS INCLUDES INTERSTATE 25 IN WYOMING BETWEEN MILE MARKERS 191 AND
202.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

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

LAT...LON 4308 10608 4288 10608 4287 10634 4305 10637
TIME...MOT...LOC 0145Z 264DEG 27KT 4297 10623

$$

JONES

352 
WWUS55 KRIW 090204
SVSRIW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
804 PM MDT WED JUN 8 2011

WYC025-090215-
/O.CON.KRIW.TO.W.0004.000000T0000Z-110609T0215Z/
NATRONA WY-
804 PM MDT WED JUN 8 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL NATRONA
COUNTY UNTIL 815 PM MDT...

AT 802 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS 
STORM WAS LOCATED 10 MILES EAST OF I25 EXIT 197...OR 15 MILES 
NORTHEAST OF CASPER...MOVING EAST AT 30 MPH. EMERGENCY MANAGEMENT 
OFFICIALS REPORT THIS STORM CONTINUES TO ROTATE AS IT MOVES OVER 
OPEN COUNTRY NORTH OF COLE CREEK ROAD.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EXTREME EASTERN NATRONA COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

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

LAT...LON 4291 10617 4306 10623 4308 10608 4291 10608
TIME...MOT...LOC 0204Z 264DEG 27KT 4300 10611

$$

JONES

438 
WWUS55 KRIW 090214
SVSRIW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
814 PM MDT WED JUN 8 2011

WYC025-090224-
/O.EXP.KRIW.TO.W.0004.000000T0000Z-110609T0215Z/
NATRONA WY-
814 PM MDT WED JUN 8 2011

...THE TORNADO WARNING FOR EAST CENTRAL NATRONA COUNTY WILL EXPIRE AT
815 PM MDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND HAS MOVED OUT 
OF NATRONA COUNTY.

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

LAT...LON 4291 10617 4306 10623 4308 10608 4291 10608
TIME...MOT...LOC 0214Z 264DEG 27KT 4301 10601

$$

JONES

Tornado Warnings in Wyoming, 2011Every tornado warning in 2011Tornadoes in 2011

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.