

154 

WWUS20 KWNS 190319

SEL2

SPC WW 190319

NDZ000-191100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 272

NWS STORM PREDICTION CENTER NORMAN OK

1020 PM CDT SAT JUN 18 2016



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTHERN NORTH DAKOTA



* EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 1020 PM

  UNTIL 600 AM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75

    MPH POSSIBLE

  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2

    INCHES IN DIAMETER POSSIBLE

  A TORNADO OR TWO POSSIBLE



SUMMARY...SMALL CONVECTIVE CLUSTER OVER NORTHEAST MONTANA...WITH

EMBEDDED SUPERCELL STRUCTURES...WILL CONTINUE EASTWARD OVERNIGHT AT

45-50 KT ACROSS NORTHERN NORTH DAKOTA.  THE STORM ENVIRONMENT WILL

SUPPORT A CONTINUED RISK FOR DAMAGING WINDS AND HAIL WITH THIS STORM

CLUSTER THROUGH THE OVERNIGHT HOURS...AS WELL AS A SMALL RISK FOR A

TORNADO.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 20 MILES WEST

NORTHWEST OF WILLISTON NORTH DAKOTA TO 25 MILES NORTH OF GRAND

FORKS NORTH DAKOTA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE

THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).



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 271...



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

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65

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

MOTION VECTOR 27050.





...THOMPSON

