

448 

WWUS20 KWNS 151856

SEL2

SPC WW 151856

COZ000-NEZ000-WYZ000-160200-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 172

NWS STORM PREDICTION CENTER NORMAN OK

100 PM MDT FRI MAY 15 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  NORTHEAST COLORADO

  WESTERN NEBRASKA

  SOUTHEAST WYOMING



* EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 100 PM UNTIL

  800 PM MDT.



* PRIMARY THREATS INCLUDE...

  A COUPLE TORNADOES POSSIBLE

  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



SUMMARY...THUNDERSTORM DEVELOPMENT IS EXPECTED EARLY THIS AFTERNOON

ACROSS NE CO...WITH STORMS SPREADING INTO SE WY AND WRN NEB THROUGH

THE AFTERNOON.  THE ENVIRONMENT WILL FAVOR SUPERCELLS CAPABLE OF

PRODUCING A COUPLE OF TORNADOES...LARGE HAIL...AND DAMAGING WINDS

THROUGH THIS EVENING.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 50 MILES SOUTH SOUTHWEST OF

TORRINGTON WYOMING TO 35 MILES SOUTH SOUTHEAST OF MULLEN

NEBRASKA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR

TORNADOES AND 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.



&&



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 21025.





...THOMPSON



178 

WWUS20 KWNS 151856

SEL2

SPC WW 151856

COZ000-NEZ000-WYZ000-160200-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 172

NWS STORM PREDICTION CENTER NORMAN OK

100 PM MDT FRI MAY 15 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  NORTHEAST COLORADO

  WESTERN NEBRASKA

  SOUTHEAST WYOMING



* EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 100 PM UNTIL

  800 PM MDT.



* PRIMARY THREATS INCLUDE...

  A COUPLE TORNADOES POSSIBLE

  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



SUMMARY...THUNDERSTORM DEVELOPMENT IS EXPECTED EARLY THIS AFTERNOON

ACROSS NE CO...WITH STORMS SPREADING INTO SE WY AND WRN NEB THROUGH

THE AFTERNOON.  THE ENVIRONMENT WILL FAVOR SUPERCELLS CAPABLE OF

PRODUCING A COUPLE OF TORNADOES...LARGE HAIL...AND DAMAGING WINDS

THROUGH THIS EVENING.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 50 MILES SOUTH SOUTHWEST OF

TORRINGTON WYOMING TO 35 MILES SOUTH SOUTHEAST OF MULLEN

NEBRASKA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR

TORNADOES AND 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.



&&



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 21025.





...THOMPSON

