benny wrote:nope. all of it is to the nw.. whatever is left. looks pretty paltry at this point but should regenerate as daytime heating kicks in. sw winds though.. no seabreezes probably.. maybe hail/high winds. :|
speaking of high winds looks pretty active this evening around south florida...
000
FXUS62 KMFL 091338
AFDMFL
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIAMI FL
938 AM EDT SUN APR 9 2006
...ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND
EVENING...
.UPDATE...ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS SOUTH
FLORIDA THIS AFTERNOON THROUGH THE EARLY EVENING HOURS. WATER
VAPOR IMAGERY SHOWS ONE TROUGH PULLING OUT AND AWAY FROM THE AREA
ACROSS THE CAROLINAS...BUT OUR PLAYER WILL BE A PIECE OF SHORTWAVE
ENERGY DIGGING IN ACROSS THE GULF OF MEXICO. GOOD UPPER LEVEL
DIVERGENCE OUT AHEAD OF THIS SHORTWAVE WILL OCCUR OVER SOUTH
FLORIDA THROUGH THIS EVENING. MEANWHILE...AT THE SURFACE...A COLD
FRONT STRETCHES FROM ABOUT SARASOTA TO CAPE CANAVERAL. THIS FRONT
WILL MOVE INTO THE LAKE OKEECHOBEE REGION LATE IN THE
AFTERNOON...THEN ACROSS THE REST OF SOUTH FLORIDA THROUGHOUT THE
EVENING HOURS...PROVIDING FOR SURFACE CONVERGENCE.
THE AIRMASS CURRENTLY IN PLACE OVER SOUTH FL AHEAD OF THE FRONT AND
THE SHORTWAVE IS VERY UNSTABLE. WARM AND MOIST TROPICAL AIR IS IN
PLACE AT THE SURFACE...WITH DEWPOINTS IN THE LOWER 70S. THE
APPROACH OF THE SHORTWAVE IS BRINGING COLD AIR IN ALOFT...WITH AN
IMPRESSIVE H5 TEMP OF -12.9C ON THE 12Z MIAMI SOUNDING. SO NEEDLESS
TO SAY...IT IS VERY UNSTABLE...WITH A MODIFIED MIAMI SOUNDING FOR
THIS AFTERNOON YIELDING A CAPE OF AROUND 3600 J/KG...LI OF
-10C...AND A K-INDEX OF 32. 0-6 KM SHEAR IS NEAR 35
KNOTS...SUPPORTIVE FOR SEVERE. WINDS THOUGH ARE UNIDIRECTIONAL
THROUGHOUT THE ATMOSPHERE...SO THIS WOULD SUGGEST DAMAGING
WINDS/LARGE HAIL WILL BE THE MAIN THREATS WITH THE STORMS THAT
DEVELOP. HOWEVER...IT MUST BE SAID THAT ANY BACKING OF THE WINDS
ALONG THE EAST COAST...SHOULD AN AFTERNOON SEA BREEZE
DEVELOP...WOULD PROVIDE SUFFICIENT LOW LEVEL DIRECTIONAL SHEAR TO
SUPPORT THE PRODUCTION OF A TORNADO...BUT WHETHER OR NOT A SEA
BREEZE WILL FORM IS IN QUESTION. BEST CHANCE FOR STORMS WILL BE
FROM MIDDAY THROUGH EARLY EVENING...ASSOCIATED WITH THE FRONT AND
ANY OUTFLOW BOUNDARIES AND/OR SEA BREEZE INTERACTIONS. IT IS
POSSIBLE THAT STORMS COULD CONTINUE PAST DARK...GIVEN THE SUPPORT
OF THE SHORTWAVE THAT MAY NOT MOVE ACROSS THE AREA UNTIL LATE
NIGHT.
GIVEN THE ABOVE...WILL UPDATE THE FORECAST TO REFLECT POSSIBLE SEVERE
STORMS AND INCREASE POPS FOR THIS AFTERNOON. /DG
&&