That didn't take long
Posted by JAC on 6/19/2009, 11:57 am



URGENT - IMMEDIATE BROADCAST REQUESTED
  TORNADO WATCH NUMBER 478
  NWS STORM PREDICTION CENTER NORMAN OK
  1150 AM EDT FRI JUN 19 2009
 
  THE NWS STORM PREDICTION CENTER HAS ISSUED A
  TORNADO WATCH FOR PORTIONS OF
 
          NORTHERN AND CENTRAL INDIANA
          SOUTHWEST MICHIGAN
          LAKE MICHIGAN
 
  EFFECTIVE THIS FRIDAY MORNING AND EVENING FROM 1150 AM UNTIL 700
  PM EDT.
 
  TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
  GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
  AREAS.
 
  THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE
  MILES NORTH AND SOUTH OF A LINE FROM 25 MILES WEST SOUTHWEST OF
  VALPARAISO INDIANA TO 25 MILES SOUTHEAST OF FORT WAYNE INDIANA.
  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
  OUTLINE UPDATE (WOUS64 KWNS WOU8).


DISCUSSION...STRONG/SEVERE STORMS ARE PROPAGATING EWD/ESEWD ACROSS
  THE CHI ARE...AND NEW STORMS ARE DEVELOPING ALONG/NORTH OF AN
  OUTFLOW BOUNDARY OVER EAST CENTRAL IL.  THE ENVIRONMENT OVER
  NRN/CNTRL INDIANA IS DESTABILIZING AS STRONG DIABATIC HEATING OCCURS
  NORTH OF THE BOUNDARY.  WINDS VEER AND INCREASE WITH HEIGHT WITH
  40-50 KT DEEP LAYER SHEAR AND ENHANCED LOW-LEVEL SRH ASSOCIATED WITH
  BACKED NEAR-SURFACE FLOW NORTH OF THE BOUNDARY...PROVIDING A
  FAVORABLE SUPERCELL ENVIRONMENT. STORMS ARE EXPECTED TO CONTINUE
  INTENSIFYING INTO THE AFTERNOON HOURS...WITH STRONGER STORMS CAPABLE
  OF PRODUCING DAMAGING WINDS...HAIL...AND A FEW TORNADOES.
 
  AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
  SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
  WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
  550. MEAN STORM MOTION VECTOR 28035.
 
 
  ...WEISS


  SEL8
 
  URGENT - IMMEDIATE BROADCAST REQUESTED
  TORNADO WATCH NUMBER 478
  NWS STORM PREDICTION CENTER NORMAN OK
  1150 AM EDT FRI JUN 19 2009
 
  THE NWS STORM PREDICTION CENTER HAS ISSUED A
  TORNADO WATCH FOR PORTIONS OF
 
          NORTHERN AND CENTRAL INDIANA
          SOUTHWEST MICHIGAN
          LAKE MICHIGAN
 
  EFFECTIVE THIS FRIDAY MORNING AND EVENING FROM 1150 AM UNTIL 700
  PM EDT.
 
  TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
  GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
  AREAS.
 
  THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE
  MILES NORTH AND SOUTH OF A LINE FROM 25 MILES WEST SOUTHWEST OF
  VALPARAISO INDIANA TO 25 MILES SOUTHEAST OF FORT WAYNE INDIANA.
  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
  OUTLINE UPDATE (WOUS64 KWNS WOU8).
 
  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 477...
 
  DISCUSSION...STRONG/SEVERE STORMS ARE PROPAGATING EWD/ESEWD ACROSS
  THE CHI ARE...AND NEW STORMS ARE DEVELOPING ALONG/NORTH OF AN
  OUTFLOW BOUNDARY OVER EAST CENTRAL IL.  THE ENVIRONMENT OVER
  NRN/CNTRL INDIANA IS DESTABILIZING AS STRONG DIABATIC HEATING OCCURS
  NORTH OF THE BOUNDARY.  WINDS VEER AND INCREASE WITH HEIGHT WITH
  40-50 KT DEEP LAYER SHEAR AND ENHANCED LOW-LEVEL SRH ASSOCIATED WITH
  BACKED NEAR-SURFACE FLOW NORTH OF THE BOUNDARY...PROVIDING A
  FAVORABLE SUPERCELL ENVIRONMENT. STORMS ARE EXPECTED TO CONTINUE
  INTENSIFYING INTO THE AFTERNOON HOURS...WITH STRONGER STORMS CAPABLE
  OF PRODUCING DAMAGING WINDS...HAIL...AND A FEW TORNADOES.
 
  AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
  SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
  WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
  550. MEAN STORM MOTION VECTOR 28035.
 
 
  ...WEISS


Note: Click for Watch Status Reports.

  WOUS64 KWNS 191547
  WOU8
 
  BULLETIN - IMMEDIATE BROADCAST REQUESTED
  TORNADO WATCH OUTLINE UPDATE FOR WT 478
  NWS STORM PREDICTION CENTER NORMAN OK
  1150 AM EDT FRI JUN 19 2009
 
  TORNADO WATCH 478 IS IN EFFECT UNTIL 700 PM EDT FOR THE
    FOLLOWING LOCATIONS
 
  INC001-003-007-009-011-015-017-023-033-035-039-045-049-053-057-
  059-063-065-067-069-073-075-085-087-089-091-095-097-099-103-107-
  111-113-127-131-135-141-149-151-157-159-169-171-179-181-183-
  192300-
  /O.NEW.KWNS.TO.A.0478.090619T1550Z-090619T2300Z/
 
  IN
  .    INDIANA COUNTIES INCLUDED ARE
 
  ADAMS                ALLEN              BENTON             
  BLACKFORD            BOONE              CARROLL           
  CASS                CLINTON            DELAWARE           
  DE KALB              ELKHART            FOUNTAIN           
  FULTON              GRANT              HAMILTON           
  HANCOCK              HENDRICKS          HENRY             
  HOWARD              HUNTINGTON          JASPER             
  JAY                  KOSCIUSKO          LAGRANGE           
  LAKE                LA PORTE            MADISON           
  MARION              MARSHALL            MIAMI             
  MONTGOMERY          NEWTON              NOBLE             
  PORTER              PULASKI            RANDOLPH           
  ST. JOSEPH          STARKE              STEUBEN           
  TIPPECANOE          TIPTON              WABASH             
  WARREN              WELLS              WHITE             
  WHITLEY             
 
 
  MIC021-023-027-149-192300-
  /O.NEW.KWNS.TO.A.0478.090619T1550Z-090619T2300Z/
 
  MI
  .    MICHIGAN COUNTIES INCLUDED ARE
 
  BERRIEN              BRANCH              CASS               
  ST. JOSEPH         
 
 
  LMZ043-046-080-743-744-745-777-779-844-878-192300-
  /O.NEW.KWNS.TO.A.0478.090619T1550Z-090619T2300Z/
 
  CW
 
  .    ADJACENT COASTAL WATERS INCLUDED ARE
 
  NEW BUFFALO MI TO ST JOSEPH MI
 
  MICHIGAN CITY IN TO NEW BUFFALO MI
 
  LAKE MICHIGAN MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM OFF SHORE TO
  MID LAKE
 
  CALUMET HARBOR IL TO GARY IN
 
  GARY TO BURNS HARBOR IN
 
  BURNS HARBOR TO MICHIGAN CITY IN
 
  LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5NM OFF
  SHORE TO MID LAKE
 
  LAKE MICHIGAN FROM WILMETTE HARBOR TO MICHIGAN CITY IN 5NM OFF
  SHORE TO MID LAKE
 
  ST JOSEPH TO SOUTH HAVEN MI
 
  LAKE MICHIGAN FROM ST JOSEPH TO SOUTH HAVEN MI 5NM OFF SHORE TO
  MID LAKE
 
  ATTN...WFO...IWX...GRR...LOT...IND...
 
 
 


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

  SAW8
  WW 478 TORNADO IN MI LM 191550Z - 192300Z
  AXIS..85 STATUTE MILES NORTH AND SOUTH OF LINE..
  25WSW VPZ/VALPARAISO IN/ - 25SE FWA/FORT WAYNE IN/
  ..AVIATION COORDS.. 75NM N/S /42ESE JOT - 22SE FWA/
  HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
  MAX TOPS TO 550. MEAN STORM MOTION VECTOR 28035.
 
  LAT...LON 42548744 41958483 39498483 40088744
 
  THIS IS AN APPROXIMATION TO THE WATCH AREA.  FOR A
  COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
  FOR WOU8.
 

Watch 478 Status Report Message has not been issued yet.

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Friday Afternoon Severe Weather for IA, IL, IN - JAC, 6/19/2009, 8:29 am
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