

871 

WWUS20 KWNS 070418

SEL6

SPC WW 070418

IAZ000-NEZ000-071100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 266

NWS STORM PREDICTION CENTER NORMAN OK

1120 PM CDT SAT JUN 6 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  WESTERN AND CENTRAL IOWA

  SMALL PART OF EXTREME EASTERN NEBRASKA



* EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 1120 PM

  UNTIL 600 AM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75

    MPH POSSIBLE

  A TORNADO OR TWO POSSIBLE



SUMMARY...AN INCREASINGLY ORGANIZED...BOWING COMPLEX OF

THUNDERSTORMS IS EXPECTED TO POSE A PRIMARY RISK OF DAMAGING GUSTS

AS IT CROSSES MUCH OF THE WATCH AREA OVERNIGHT.  SECONDARILY...THIS

ACTIVITY MAY PRODUCE A BRIEF TORNADO AND/OR MARGINALLY SEVERE HAIL.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55

STATUTE MILES EITHER SIDE OF A LINE FROM 20 MILES NORTH NORTHWEST

OF DENISON IOWA TO 35 MILES NORTHEAST OF KNOXVILLE IOWA.  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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 263...WW 265...



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

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 28035.





...EDWARDS



462 

WWUS20 KWNS 070418

SEL6

SPC WW 070418

IAZ000-NEZ000-071100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 266

NWS STORM PREDICTION CENTER NORMAN OK

1120 PM CDT SAT JUN 6 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  WESTERN AND CENTRAL IOWA

  SMALL PART OF EXTREME EASTERN NEBRASKA



* EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 1120 PM

  UNTIL 600 AM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75

    MPH POSSIBLE

  A TORNADO OR TWO POSSIBLE



SUMMARY...AN INCREASINGLY ORGANIZED...BOWING COMPLEX OF

THUNDERSTORMS IS EXPECTED TO POSE A PRIMARY RISK OF DAMAGING GUSTS

AS IT CROSSES MUCH OF THE WATCH AREA OVERNIGHT.  SECONDARILY...THIS

ACTIVITY MAY PRODUCE A BRIEF TORNADO AND/OR MARGINALLY SEVERE HAIL.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55

STATUTE MILES EITHER SIDE OF A LINE FROM 20 MILES NORTH NORTHWEST

OF DENISON IOWA TO 35 MILES NORTHEAST OF KNOXVILLE IOWA.  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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 263...WW 265...



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

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 28035.





...EDWARDS

