

709 

WWUS20 KWNS 161957

SEL3

SPC WW 161957

NEZ000-SDZ000-WYZ000-170300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 303

NWS STORM PREDICTION CENTER NORMAN OK

155 PM MDT TUE JUN 16 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  WESTERN NEBRASKA PANHANDLE

  SOUTHWEST SOUTH DAKOTA

  CENTRAL AND EASTERN WYOMING



* EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 155 PM UNTIL

  900 PM MDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL EVENTS

    TO 2.5 INCHES IN DIAMETER POSSIBLE

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  A TORNADO OR TWO POSSIBLE



SUMMARY...THUNDERSTORMS NOW FORMING OVER THE HIGHER TERRAIN OF N

CENTRAL...E CENTRAL...AND SE WY EXPECTED TO JOINED BY ADDITIONAL

STORMS FORMING ALONG COLD FRONT IN NE WY AND SW SD. SOME OF THE

STORMS COULD BECOME SUPERCELLS WITH A RISK FOR VERY LARGE

HAIL...HIGH WIND...AND POSSIBLY A COUPLE TORNADOES.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 115

STATUTE MILES EAST AND WEST OF A LINE FROM 15 MILES WEST

NORTHWEST OF GILLETTE WYOMING TO 15 MILES SOUTHEAST OF CHEYENNE

WYOMING.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).



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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 302...



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM

MOTION VECTOR 30030.





...CORFIDI



628 

WWUS20 KWNS 161957

SEL3

SPC WW 161957

NEZ000-SDZ000-WYZ000-170300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 303

NWS STORM PREDICTION CENTER NORMAN OK

155 PM MDT TUE JUN 16 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  WESTERN NEBRASKA PANHANDLE

  SOUTHWEST SOUTH DAKOTA

  CENTRAL AND EASTERN WYOMING



* EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 155 PM UNTIL

  900 PM MDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL EVENTS

    TO 2.5 INCHES IN DIAMETER POSSIBLE

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  A TORNADO OR TWO POSSIBLE



SUMMARY...THUNDERSTORMS NOW FORMING OVER THE HIGHER TERRAIN OF N

CENTRAL...E CENTRAL...AND SE WY EXPECTED TO JOINED BY ADDITIONAL

STORMS FORMING ALONG COLD FRONT IN NE WY AND SW SD. SOME OF THE

STORMS COULD BECOME SUPERCELLS WITH A RISK FOR VERY LARGE

HAIL...HIGH WIND...AND POSSIBLY A COUPLE TORNADOES.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 115

STATUTE MILES EAST AND WEST OF A LINE FROM 15 MILES WEST

NORTHWEST OF GILLETTE WYOMING TO 15 MILES SOUTHEAST OF CHEYENNE

WYOMING.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).



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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 302...



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM

MOTION VECTOR 30030.





...CORFIDI

