SWOMCD
SPC MCD 291525
GAZ000-FLZ000-ALZ000-MSZ000-LAZ000-291630-
MESOSCALE DISCUSSION 0740
NWS STORM PREDICTION CENTER NORMAN OK
1025 AM CDT SAT MAY 29 2010
AREAS AFFECTED...SRN-SERN LA/SERN MS/SRN AL/FL PANHANDLE/SRN GA
CONCERNING...OUTLOOK UPGRADE
VALID 291525Z - 291630Z
A SLIGHT RISK AREA WILL BE ADDED TO THE CONVECTIVE OUTLOOK AT 1630Z
FROM SRN/SERN LA EWD ACROSS SERN MS...SRN AL AND PARTS OF THE FL
PANHANDLE AND SRN GA.
12Z UPPER AIR ANALYSIS SHOWED A CLOSED LOW CENTERED OVER CENTRAL/SRN
MS WITH 50 METER HEIGHT FALLS AND -14.5 C AT 500 MB PER JAN
SOUNDING. 25-30 KT MIDLEVEL FLOW WILL TRANSLATE THROUGH THE BASE OF
THIS LOW ACROSS SERN LA AND FAR SERN MS TODAY WHILE THE CLOSED
LOW/COLDER MIDLEVEL TEMPERATURES SHIFT SLOWLY SEWD. IN ADDITION TO
SEA/LAKE BREEZE BOUNDARIES...STREAMLINE ANALYSES THIS MORNING
INDICATED A LOW LEVEL CONVERGENCE ZONE EXTENDING FROM THE NERN GULF
/150 SW AAF/ THROUGH WRN FL PANHANDLE INTO CENTRAL/NERN AL ALONG SRN
EXTENT OF ONGOING CONVECTIVE CLUSTER 40 SW ANB. A SECOND BOUNDARY
EXTENDED EWD FROM THIS CLUSTER THROUGH CENTRAL GA TO SERN SC AND
MARKED THE NRN EXTENT OF HIGHER SURFACE DEWPOINTS /UPPER 60S-LOWER
70S/.
FORECAST DETAILS WILL BE FORTHCOMING IN THE 1630Z OUTLOOK.
..PETERS.. 05/29/2010
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...JAX...FFC...TAE...BMX...MOB...JAN...LIX...LCH...
LAT...LON 29839212 30299223 30949127 31729043 32108898 33118836
33218774 33108643 32568337 30928224 30578373 30498697
30158860 29568984 29629111 29839212
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