06/11/2013 08:00 PM EDT
WW 0296 Status Updates
STATUS REPORT ON WW 296
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM
50 SSW GCC TO 25 W GCC TO 30 WNW SHR TO 30 NE LWT.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1034
..COHEN..06/11/13 ATTN...WFO...BYZ...GGW...UNR...RIW...
STATUS REPORT FOR WS 296
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC003-011-017-025-033-065-069-075-079-087-103-111-120040-
MONTANA COUNTIES INCLUDED ARE
BIG HORN CARTER CUSTER
FALLON GARFIELD MUSSELSHELL
PETROLEUM POWDER RIVER PRAIRIE
ROSEBUD TREASURE YELLOWSTONE
WYC005-011-033-045-120040- WY .
WYOMING COUNTIES INCLUDED ARE
CAMPBELL CROOK SHERIDAN
WESTON
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY.
PLEASE REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR
OFFICIAL INFORMATION ON COUNTIES...
INDEPENDENT CITIES AND MARINE ZONESRead more
06/11/2013 08:00 PM EDT
WW 296 SEVERE TSTM MT WY 111910Z - 120300Z
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 296
NWS STORM PREDICTION CENTER NORMAN OK
110 PM MDT TUE JUN 11 2013
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHERN AND EASTERN MONTANA
NORTHEAST WYOMING
* EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING
FROM 110 PM UNTIL 900 PM MDT.
* PRIMARY THREATS INCLUDE... NUMEROUS LARGE HAIL
EVENTS LIKELY WITH A FEW VERY LARGE HAIL EVENTS TO 3
INCHES IN DIAMETER POSSIBLE SEVERAL DAMAGING WIND GUSTS
WITH A FEW SIGNIFICANT GUSTS TO 75 MPH POSSIBLE A FEW
TORNADOES POSSIBLE
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG
AND 115 STATUTE MILES EAST AND WEST OF A LINE FROM 80 MILES
NORTH NORTHWEST OF MILES CITY MONTANA TO 65 MILES SOUTHWEST
OF GILLETTE WYOMING.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU6).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
DISCUSSION...TSTMS EXPECTED TO FORM OVER THE HIGHER TERRAIN OF
NRN WY AND SRN MT DURING THE NEXT FEW HOURS IN RESPONSE TO
CONTINUED SFC HEATING...
PERSISTENT LOW-LVL MOISTURE INFLOW...AND ASCENT ASSOCIATED
WITH PASSING UPR-LVL TROUGH. CURRENT AND FORECAST WIND PROFILES
AND THERMODYNAMIC DATA APPEAR FAVORABLE FOR SUPERCELLS WITH VERY
LARGE HAIL AND LOCALLY DMGG WIND...ESPECIALLY IN SE MT AND NE WY.
IN THE LATTER AREA...AN INCREASING RISK FOR TORNADOES IS ALSO
EXPECTED AS LOW-LVL MOISTURE CONTINUES TO INCREASE BENEATH
STRENGTHENING MID-LVL COLD ADVECTION AND ASCENT. THIS PART OF THE
WW LIKELY WILL REQUIRE UPGRADE TO TORNADO A BIT LATER THIS AFTN.
AVIATION...
A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 3 INCHES.
EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65 KNOTS. A FEW
CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION VECTOR 29020.
...CORFIDIRead more
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