Apr 6, 2012 0100 UTC Day 1 Convective Outlook
Updated: Fri Apr 6 00:46:27 UTC 2012
Probabilistic to Categorical Outlook Conversion Table
Categorical Graphic
20120406 0100 UTC Day 1 Outlook Graphic
Probabilistic Tornado Graphic
20120406 0100 UTC Day 1 Tornado Probabilities Graphic
Probability of a tornado within 25 miles of a point.
Hatched Area: 10% or greater probability of EF2 - EF5 tornadoes within 25 miles of a point.
Probabilistic Damaging Wind Graphic
20120406 0100 UTC Day 1 Damaging Wind Probabilities Graphic
Probability of damaging thunderstorm winds or wind gusts of 50 knots or higher within 25 miles of a point.
Hatched Area: 10% of greater probability of wind gusts 65 knots or greater within 25 miles of a point.
Probabilistic Large Hail Graphic
20120406 0100 UTC Day 1 Large Hail Probabilities Graphic
Probability of hail 1" or larger within 25 miles of a point.
Hatched Area: 10% or greater probability of hail 2" or larger within 25 miles of a point.
   SPC AC 060043
   
   DAY 1 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0743 PM CDT THU APR 05 2012
   
   VALID 060100Z - 061200Z
   
   ...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PORTIONS OF AL AND GA...
   
   ...THERE IS A SLGT RISK OF SVR TSTMS ACROSS THE SRN FL PENINSULA AND
   FL KEYS...
   
   ...AL/GA...
   
   CENTER OF UPPER LOW...WELL DEPICTED IN LATEST SATELLITE/RADAR
   IMAGERY...CONTINUES ITS SEWD MOVEMENT ACROSS NRN AL TOWARD WCNTRL
   GA.  QUITE COLD MID LEVEL TEMPERATURES...NEAR -20C AT 500MB...ARE
   NOTED WITH THIS FEATURE AND THIS APPEARS TO BE PARTLY RESPONSIBLE
   FOR THE MODEST INSTABILITY ACROSS AL.  GIVEN THE ONGOING TSTM
   ACTIVITY NOTED IMMEDIATELY AHEAD OF THE UPPER VORT...IT APPEARS SEWD
   PROPAGATION/DEVELOPMENT WILL OCCUR ACROSS AL INTO PORTIONS OF
   EXTREME WCNTRL/SWRN GA THIS EVENING.  LARGE HAIL IS THE PRIMARY
   CONCERN.  HOWEVER...LOSS OF BOUNDARY LAYER HEATING SHOULD PROVE
   DETRIMENTAL TO UPDRAFT INTENSITY ACROSS MUCH OF THE REMAINDER OF THE
   SERN U.S.  FOR THIS REASON HAVE OPTED TO LOWER SEVERE PROBS ACROSS
   THIS REGION.
   
   ...SWRN FL PENINSULA/FL KEYS...
   
   WELL ORGANIZED MCS OVER THE ERN GULF BASIN...ROUGHLY FROM 70 WSW SRQ
   TO 245 WSW SRQ...CONTINUES ITS SEWD MOVEMENT AT ROUGHLY 35KT.  THIS
   ACTIVITY IS BEGINNING TO TURN MORE SELY AND SHOULD APPROACH THE WRN
   FL PENINSULA NEAR FMY AROUND 03Z AND THE KEYS SHORTLY AFTER 04Z. 
   GIVEN THE INCREASINGLY NWLY FLOW AT MID LEVELS THIS MCS SHOULD
   MAINTAIN ITS IDENTITY INTO THE FL STRAITS.
   
   ..DARROW.. 04/06/2012
   
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   NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0600Z