

705 

WWUS20 KWNS 030106

SEL0

SPC WW 030106

LAZ000-TXZ000-CWZ000-030800-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 520

NWS STORM PREDICTION CENTER NORMAN OK

805 PM CDT THU OCT 2 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  WESTERN AND CENTRAL LOUISIANA

  CENTRAL...EAST AND SOUTHEAST TEXAS

  COASTAL WATERS



* EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 805 PM

  UNTIL 300 AM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75

    MPH POSSIBLE

  ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE

  A TORNADO OR TWO POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90

STATUTE MILES EAST AND WEST OF A LINE FROM 80 MILES WEST OF

ANGLETON TEXAS TO 40 MILES NORTH NORTHWEST OF NATCHITOCHES

LOUISIANA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).



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 517...WW 518...WW 519...



DISCUSSION...QLCS NEAR COLD FRONT IS EXPECTED TO MAINTAIN SVR RISK

-- PRIMARILY FOR DAMAGING GUSTS -- AS IT MOVES SEWD ACROSS WW AREA

TONIGHT.  SOME BACKBUILDING IS POSSIBLE INTO AREAS E OF SAT AND N OF

VCT...CONSIDERING WEAK CINH EVIDENT IN MODIFIED CRP/DRT RAOBS AND

AIRCRAFT SOUNDINGS NEAR IAH.  REF SPC MESOSCALE DISCUSSION 1803 FOR

FURTHER METEOROLOGICAL DETAILS.



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 24035.





...EDWARDS



437 

WWUS20 KWNS 030106

SEL0

SPC WW 030106

LAZ000-TXZ000-CWZ000-030800-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 520

NWS STORM PREDICTION CENTER NORMAN OK

805 PM CDT THU OCT 2 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  WESTERN AND CENTRAL LOUISIANA

  CENTRAL...EAST AND SOUTHEAST TEXAS

  COASTAL WATERS



* EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 805 PM

  UNTIL 300 AM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75

    MPH POSSIBLE

  ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE

  A TORNADO OR TWO POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90

STATUTE MILES EAST AND WEST OF A LINE FROM 80 MILES WEST OF

ANGLETON TEXAS TO 40 MILES NORTH NORTHWEST OF NATCHITOCHES

LOUISIANA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).



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 517...WW 518...WW 519...



DISCUSSION...QLCS NEAR COLD FRONT IS EXPECTED TO MAINTAIN SVR RISK

-- PRIMARILY FOR DAMAGING GUSTS -- AS IT MOVES SEWD ACROSS WW AREA

TONIGHT.  SOME BACKBUILDING IS POSSIBLE INTO AREAS E OF SAT AND N OF

VCT...CONSIDERING WEAK CINH EVIDENT IN MODIFIED CRP/DRT RAOBS AND

AIRCRAFT SOUNDINGS NEAR IAH.  REF SPC MESOSCALE DISCUSSION 1803 FOR

FURTHER METEOROLOGICAL DETAILS.



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 24035.





...EDWARDS

