[ARRL-OK] HAZARDOUS WEATHER OUTLOOK (West)

[arrl-ok@mailman.qth.net]

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORMAN OK
1200 PM CDT MON MAY 26 2003

THIS HAZARDOUS WEATHER OUTLOOK COVERS NORTHERN...WESTERN...CENTRAL...AND 
SOUTHERN OKLAHOMA...AND WESTERN NORTH TEXAS..DAY ONE...THIS AFTERNOON AND 
TONIGHT...

THUNDERSTORM OUTLOOK...
ISOLATED THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING OVER PORTIONS 
OF WESTERN NORTH TEXAS. ANY THUNDERSTORMS THAT DO FORM ARE EXPECTED TO REMAIN 
BELOW SEVERE LEVELS.

DISCUSSION...
A COLD FRONT HAD PUSHED SOUTH INTO SOUTH CENTRAL TEXAS BY MIDDAY MONDAY. 
MEANWHILE... A WEAK UPPER LEVEL LOW PRESSURE TROUGH WILL MOVE EAST ACROSS WESTERN 
AND CENTRAL TEXAS THROUGH TONIGHT. A SECOND UPPER LEVEL LOW PRESSURE TROUGH 
MOVING THROUGH EASTERN KANSAS WILL HELP TO REINFORCE A SURFACE HIGH PRESSURE 
RIDGE OVER MUCH OF THE CENTRAL AND SOUTHERN PLAINS. THE SURFACE HIGH PRESSURE 
RIDGE WILL CONTINUE TO BRING SOMEWHAT DRIER AND MORE STABLE AIR INTO THE REGION. 
HOWEVER... ENOUGH INSTABILITY MAY REMAIN IN PARTS OF WESTERN NORTH TEXAS 
SUPPORT AN ISOLATED THUNDERSTORM OR TWO AS THE WEST TEXAS UPPER TROUGH BRUSHES THE 
AREA.  DUE TO MARGINAL INSTABILITIES AND WEAK VERTICAL WIND SHEAR... ANY 
STORMS THAT DO FORM ARE EXPECTED TO REMAIN BELOW SEVERE LEVELS.

PROBABILITY TABLE...
VALID THROUGH 700 AM CDT TUESDAY MAY 27.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THENWS NORMAN COUNTY WARNING 
AREA...20 PERCENT.PROBABILITY OF SEVERE STORMS IF STORMS OCCUR...5 PERCENT.

OTHER HAZARDOUS WEATHER...NONE.

DAYS TWO THROUGH SEVEN...
MONDAY THROUGH SATURDAY...
THUNDERSTORM OUTLOOK...
A FEW THUNDERSTORMS WILL BE POSSIBLE WEDNESDAY AFTERNOON AND NIGHT ACROSS 
MAINLY CENTRAL AND NORTHERN OKLAHOMA AS A COLD FRONT MOVES INTO THE AREA. 
HOWEVER... LOW LEVEL MOISTURE AND INSTABILITIES ARE EXPECTED TO BE WEAK. A BETTER 
CHANCE FOR MORE ORGANIZED THUNDERSTORM ACTIVITY WILL BE FROM FRIDAY NIGHT INTO 
SUNDAY IN ASSOCIATION WITH A WEAK COLD FRONT THAT IS EXPECTED TO MOVE SOUTHWARD 
INTO THE SOUTHERN PLAINS THIS WEEKEND.

OTHER HAZARDOUS WEATHER...NONE.

THE NEXT REGULARLY SCHEDULED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED AT 7 AM 
TUESDAY.    



--- StripMime Report -- processed MIME parts ---
multipart/alternative
  text/plain (text body -- kept)
  text/html
The reason this message is shown is because the post was in HTML
or had an attachment.  Attachments are not allowed.  To learn how
to post in Plain-Text go to: http://www.expita.com/nomime.html  ---