SWOMCD
SPC MCD 100723
GAZ000-ALZ000-101000-
MESOSCALE DISCUSSION 2172
NWS STORM PREDICTION CENTER NORMAN OK
0123 AM CST TUE NOV 10 2009
AREAS AFFECTED...CNTRL AND ERN AL...WRN GA
CONCERNING...HEAVY RAINFALL
VALID 100723Z - 101000Z
HEAVY RAINFALL WILL SPREAD NEWD ACROSS ECNTRL AL INTO WRN GA THROUGH
EARLY THE MORNING. RAINFALL RATES OF AROUND 1 INCH PER HOUR WILL BE
POSSIBLE IN SOME AREAS.
TROPICAL STORM IDA IS CURRENTLY LOCATED JUST OFFSHORE FROM GULF PORT
MS. THE CENTER OF IDA WILL MOVE ONSHORE AS A LARGE COMMA-SHAPED AREA
OF HEAVY RAIN SPREADS NNEWD ACROSS ECNTRL AL AND WRN GA BEING
SUPPORTED BY STRONG ISENTROPIC LIFT IN THE RIGHT EXIT REGION OF A 50
TO 60 KT LOW-LEVEL JET. PRECIPITABLE WATER VALUES ARE ESTIMATED BY
OBJECTIVE ANALYSIS IN THE 1.75 TO 2.00 INCH RANGE EXTENDING AS FAR
NORTH AS COLUMBUS GA AND MONTGOMERY AL. THIS DEEP MOIST LAYER SHOULD
CONTINUE TO SPREAD NWD AIDING HEAVY RAINFALL LATE TONIGHT. AROUND 1
INCH PER HOUR RAINFALL RATES WILL BE POSSIBLE ACROSS PARTS OF THE
MCD AREA BEFORE A DRY SLOT WORKS QUICKLY NNEWD ENDING THE HEAVY
RAINFALL GRADUALLY FROM SOUTH TO NORTH ACROSS ERN AL AND WRN GA
TOWARD DAYBREAK.
..BROYLES.. 11/10/2009
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...FFC...TAE...BMX...MOB...
LAT...LON 32008445 32508381 32888376 33258432 33568556 33318659
32888762 32548787 32228759 32148683 31818638 31238583
31418525 32008445
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