High Threat for Torandoes
Posted by JAC on 4/30/2010, 2:59 pm
Already seeing a TVS SE of Muskogee in a 33K ft Cell






URGENT - IMMEDIATE BROADCAST REQUESTED
  TORNADO WATCH NUMBER 114
  NWS STORM PREDICTION CENTER NORMAN OK
  145 PM CDT FRI APR 30 2010
 
  THE NWS STORM PREDICTION CENTER HAS ISSUED A
  TORNADO WATCH FOR PORTIONS OF
 
         WESTERN ARKANSAS
         SOUTHERN MISSOURI
         EASTERN OKLAHOMA
         NORTHEASTERN TEXAS
 
  EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 145 PM UNTIL 800
  PM CDT.
 
  TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
  GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
  AREAS.
 
  THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE
  MILES EAST AND WEST OF A LINE FROM 55 MILES NORTHEAST OF
  SPRINGFIELD MISSOURI TO 15 MILES SOUTHEAST OF PARIS TEXAS.  FOR A
  COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
  UPDATE (WOUS64 KWNS WOU4).
 
  REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
  TORNADOES AND 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.
 
  OTHER WATCH INFORMATION...CONTINUE...WW 111...WW 112...WW 113...
 
  DISCUSSION...STORMS HAVE RECENTLY BEEN DEVELOPING AND INTENSIFYING
  IN ERN OK... ALONG AND JUST AHEAD OF A SLOW MOVING COLD FRONT.
  MODERATE INSTABILITY AND STRONG DEEP LAYER SHEAR IS VERY FAVORABLE
  FOR SUPERCELLS...AS THE STORMS DEVELOP/MOVE EWD THROUGH THE
  AFTERNOON HOURS. THE VERY MOIST BOUNDARY LAYER AND 30-40 KT LOW
  LEVEL SHEAR WILL BE SUPPORTIVE OF TORNADOES AND LARGE HAIL.
 
  AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
  SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
  WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
  500. MEAN STORM MOTION VECTOR 23040.
 
 
  ...IMY

Hazard Tornadoes EF2+ Tornadoes
Likelihood High Moderate
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
High Moderate


Note:  See the experimental Public Watch (SEL) product with explicit hazard information section below. The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.

  SEL4
 
  URGENT - IMMEDIATE BROADCAST REQUESTED
  TORNADO WATCH NUMBER 114
  NWS STORM PREDICTION CENTER NORMAN OK
  145 PM CDT FRI APR 30 2010
 
  THE NWS STORM PREDICTION CENTER HAS ISSUED A
  TORNADO WATCH FOR PORTIONS OF
 
         WESTERN ARKANSAS
         SOUTHERN MISSOURI
         EASTERN OKLAHOMA
         NORTHEASTERN TEXAS
 
  EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 145 PM UNTIL 800
  PM CDT.
 
  SEVERAL TORNADOES
  ISOLATED INTENSE TORNADOES POSSIBLE
  SCATTERED DAMAGING WINDS
  ISOLATED WIND GUSTS TO 80 MPH POSSIBLE
  SCATTERED LARGE HAIL
  ISOLATED HAIL TO 2.0 INCHES IN DIAMETER POSSIBLE
 
  THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE
  MILES EAST AND WEST OF A LINE FROM 55 MILES NORTHEAST OF
  SPRINGFIELD MISSOURI TO 15 MILES SOUTHEAST OF PARIS TEXAS.  FOR A
  COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
  UPDATE (WOUS64 KWNS WOU4).
 
  REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
  TORNADOES AND 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.
 
  OTHER WATCH INFORMATION...CONTINUE...WW 111...WW 112...WW 113...
 
  DISCUSSION...STORMS HAVE RECENTLY BEEN DEVELOPING AND INTENSIFYING
  IN ERN OK... ALONG AND JUST AHEAD OF A SLOW MOVING COLD FRONT.
  MODERATE INSTABILITY AND STRONG DEEP LAYER SHEAR IS VERY FAVORABLE
  FOR SUPERCELLS...AS THE STORMS DEVELOP/MOVE EWD THROUGH THE
  AFTERNOON HOURS. THE VERY MOIST BOUNDARY LAYER AND 30-40 KT LOW
  LEVEL SHEAR WILL BE SUPPORTIVE OF TORNADOES AND LARGE HAIL.
 
  AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
  SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
  WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
  500. MEAN STORM MOTION VECTOR 23040.
 
 
  ...IMY

Hazard Tornadoes EF2+ Tornadoes
Likelihood High Moderate
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
High Moderate


  SEL4
 
  URGENT - IMMEDIATE BROADCAST REQUESTED
  TORNADO WATCH NUMBER 114
  NWS STORM PREDICTION CENTER NORMAN OK
  145 PM CDT FRI APR 30 2010
 
  THE NWS STORM PREDICTION CENTER HAS ISSUED A
  TORNADO WATCH FOR PORTIONS OF
 
         WESTERN ARKANSAS
         SOUTHERN MISSOURI
         EASTERN OKLAHOMA
         NORTHEASTERN TEXAS
 
  EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 145 PM UNTIL 800
  PM CDT.
 
  TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
  GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
  AREAS.
 
  THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE
  MILES EAST AND WEST OF A LINE FROM 55 MILES NORTHEAST OF
  SPRINGFIELD MISSOURI TO 15 MILES SOUTHEAST OF PARIS TEXAS.  FOR A
  COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
  UPDATE (WOUS64 KWNS WOU4).
 
  REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
  TORNADOES AND 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.
 
  OTHER WATCH INFORMATION...CONTINUE...WW 111...WW 112...WW 113...
 
  DISCUSSION...STORMS HAVE RECENTLY BEEN DEVELOPING AND INTENSIFYING
  IN ERN OK... ALONG AND JUST AHEAD OF A SLOW MOVING COLD FRONT.
  MODERATE INSTABILITY AND STRONG DEEP LAYER SHEAR IS VERY FAVORABLE
  FOR SUPERCELLS...AS THE STORMS DEVELOP/MOVE EWD THROUGH THE
  AFTERNOON HOURS. THE VERY MOIST BOUNDARY LAYER AND 30-40 KT LOW
  LEVEL SHEAR WILL BE SUPPORTIVE OF TORNADOES AND LARGE HAIL.
 
  AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
  SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
  WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
  500. MEAN STORM MOTION VECTOR 23040.
 
 
  ...IMY

Hazard Tornadoes EF2+ Tornadoes
Likelihood High Moderate
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
High Moderate


Note: Click for Watch Status Reports.

  WOUS64 KWNS 301843
  WOU4
 
  BULLETIN - IMMEDIATE BROADCAST REQUESTED
  TORNADO WATCH OUTLINE UPDATE FOR WT 114
  NWS STORM PREDICTION CENTER NORMAN OK
  145 PM CDT FRI APR 30 2010
 
  TORNADO WATCH 114 IS IN EFFECT UNTIL 800 PM CDT FOR THE
   FOLLOWING LOCATIONS
 
  ARC005-007-009-015-029-033-047-051-057-061-071-081-083-087-089-
  091-097-101-105-109-113-115-127-129-131-133-141-143-149-
  010100-
  /O.NEW.KWNS.TO.A.0114.100430T1845Z-100501T0100Z/
 
  AR
  .    ARKANSAS COUNTIES INCLUDED ARE
 
  BAXTER               BENTON              BOONE              
  CARROLL              CONWAY              CRAWFORD            
  FRANKLIN             GARLAND             HEMPSTEAD          
  HOWARD               JOHNSON             LITTLE RIVER        
  LOGAN                MADISON             MARION              
  MILLER               MONTGOMERY          NEWTON              
  PERRY                PIKE                POLK                
  POPE                 SCOTT               SEARCY              
  SEBASTIAN            SEVIER              VAN BUREN          
  WASHINGTON           YELL                
 
 
  MOC009-043-059-065-067-077-105-109-119-125-145-153-161-167-169-
  209-213-215-225-229-010100-
  /O.NEW.KWNS.TO.A.0114.100430T1845Z-100501T0100Z/
 
  MO
  .    MISSOURI COUNTIES INCLUDED ARE
 
  BARRY                CHRISTIAN           DALLAS              
  DENT                 DOUGLAS             GREENE              
  LACLEDE              LAWRENCE            MARIES              
  MCDONALD             NEWTON              OZARK              
  PHELPS               POLK                PULASKI            
  STONE                TANEY               TEXAS              
  WEBSTER              WRIGHT              
 
 
  OKC001-021-023-041-061-077-079-089-091-101-121-127-135-010100-
  /O.NEW.KWNS.TO.A.0114.100430T1845Z-100501T0100Z/
 
  OK
  .    OKLAHOMA COUNTIES INCLUDED ARE
 
  ADAIR                CHEROKEE            CHOCTAW            
  DELAWARE             HASKELL             LATIMER            
  LE FLORE             MCCURTAIN           MCINTOSH            
  MUSKOGEE             PITTSBURG           PUSHMATAHA          
  SEQUOYAH            
 
 
  TXC037-067-119-147-159-223-231-277-343-387-449-010100-
  /O.NEW.KWNS.TO.A.0114.100430T1845Z-100501T0100Z/
 
  TX
  .    TEXAS COUNTIES INCLUDED ARE
 
  BOWIE                CASS                DELTA              
  FANNIN               FRANKLIN            HOPKINS            
  HUNT                 LAMAR               MORRIS              
  RED RIVER            TITUS              
 
 
  ATTN...WFO...LZK...SHV...FWD...TSA...SGF...
 
 
 

Hazard Tornadoes EF2+ Tornadoes
Likelihood High Moderate
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
High Moderate


Note: The Aviation Watch (SAW) product is an approximation to the watch area. The actual watch is depicted by the shaded areas.

  SAW4
  WW 114 TORNADO AR MO OK TX 301845Z - 010100Z
  AXIS..55 STATUTE MILES EAST AND WEST OF LINE..
  55NE SGF/SPRINGFIELD MO/ - 15SE PRX/PARIS TX/
  ..AVIATION COORDS.. 50NM E/W /40NE SGF - 60W TXK/
  HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..70 KNOTS.
  MAX TOPS TO 500. MEAN STORM MOTION VECTOR 23040.
 
  LAT...LON 37779166 33479430 33479622 37779366
 
  THIS IS AN APPROXIMATION TO THE WATCH AREA.  FOR A
  COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
  FOR WOU4.
 

Watch 114 Status Report Message has not been issued yet.






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Next possible severe event 4/29 to 4/30 Southern Plains - JAC, 4/26/2010, 12:42 pm
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