

479 

WWUS20 KWNS 271802

SEL0

SPC WW 271802

MTZ000-271900-



URGENT - IMMEDIATE BROADCAST REQUESTED

TEST...SEVERE THUNDERSTORM WATCH NUMBER 9990...TEST

NWS STORM PREDICTION CENTER NORMAN OK

ISSUED BY 15TH OWS SCOTT AIR FORCE BASE IL

1200 PM MDT MON APR 27 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A...TEST...

 SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       EXTREME EASTERN MONTANA



EFFECTIVE THIS MONDAY AFTERNOON FROM NOON UNTIL 100 PM MDT.



HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 60

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE TEST SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG

AND 20 STATUTE MILES EAST AND WEST OF A LINE FROM 5 MILES SOUTH

OF GLENDIVE MONTANA TO 55 MILES NORTH OF GLENDIVE MONTANA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU0).



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 198...WW 199...WW

200...WW 201...



DISCUSSION...THIS IS A TEST WATCH.



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

TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 50 KNOTS.

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

VECTOR 24035.





...15_OWS

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