

609 

WWUS20 KWNS 041944

SEL8

SPC WW 041944

MTZ000-NDZ000-050300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 388

NWS STORM PREDICTION CENTER NORMAN OK

145 PM MDT SAT JUL 4 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTHEAST MONTANA

  NORTHWEST NORTH DAKOTA



* EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 145 PM UNTIL

  900 PM MDT.



* PRIMARY THREATS INCLUDE...

  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



SUMMARY...THUNDERSTORMS ARE EXPECTED TO INCREASE IN COVERAGE AND

INTENSITY WHILE SPREADING EAST-SOUTHEAST ACROSS THE WATCH AREA THIS

AFTERNOON INTO EVENING.  LARGE HAIL AND DAMAGING OUTFLOW WINDS WILL

BE THE PRIMARY HAZARDS WITH THE MOST INTENSE STORMS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 95

STATUTE MILES EAST AND WEST OF A LINE FROM 70 MILES NORTHWEST OF

MINOT NORTH DAKOTA TO 65 MILES SOUTHEAST OF SIDNEY MONTANA.  FOR

A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU8).



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.



&&



AVIATION...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 29025.





...MEAD

