PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
810 AM EDT WED NOV 2 2011

...OCTOBER 2011 WAS COOLER AND MUCH WETTER THAN NORMAL ACROSS EAST
CENTRAL FLORIDA...

A MORE DISTURBED WEATHER PATTERN SET UP OVER CENTRAL FLORIDA INTO
OCTOBER...BRINGING PERIODS OF HEAVY RAINFALL AND STRONG FRONTAL
BOUNDARIES THAT BROUGHT COOLER WEATHER TO THE AREA. THIS ALLOWED FOR
A MONTH THAT WAS BELOW NORMAL TEMPERATURE-WISE AND MADE FOR ONE OF
THE WETTEST OCTOBERS ON RECORD.

.TEMPERATURES...

A COLD FRONT CROSSED THE AREA ON THE MORNING OF OCTOBER 1ST AND
USHERED A COOLER AIRMASS INTO CENTRAL FLORIDA. IN FACT...DAYTONA
BEACH AND MELBOURNE BROKE RECORD LOWS ON THE 2ND WITH TEMPERATURES
DROPPING BELOW 60 DEGREES FOR THE FIRST TIME SINCE MID MAY OF THIS
YEAR. TEMPERATURES REMAINED NEAR TO BELOW NORMAL INTO THE FIRST 10
DAYS OF THE MONTH WITH LINGERING COOLER AIR BEHIND THE BOUNDARY AND
FROM CONSIDERABLE CLOUDINESS DURING THE HEAVY RAINFALL EVENT FROM
THE 7TH-9TH. DURING THE PEAK OF THE EVENT ON THE 8TH...CLOUDS AND
ALL DAY RAINFALL KEPT AFTERNOON TEMPERATURES IN THE 70S WITH
MELBOURNE AND ORLANDO MEASURING THEIR COOLEST HIGHS ON RECORD.

MORE SEASONABLE WEATHER PERSISTED DURING THE MIDDLE OF THE MONTH AND
THEN A STRONG COLD FRONT PUSHED THROUGH THE AREA ON THE 19TH AND
BROUGHT SOME OF THE COOLEST WEATHER SO FAR THIS SEASON. DAILY
AVERAGE TEMPERATURES ON THE 20TH AND 21ST WERE AROUND 10-15 DEGREES
BELOW NORMAL WITH HIGHS IN THE UPPER 60S TO LOWS 70S AND MINIMUM
TEMPERATURES DROPPING AS LOW AS THE 40S IN A FEW LOCATIONS. COOLER
TO NEAR NORMAL TEMPERATURES THEN PERSISTED THROUGH THE END OF THE
MONTH.

MONTHLY AVERAGE TEMPERATURES RANGED FROM AROUND 2 TO 3 DEGREES BELOW
NORMAL FOR THE MONTH. BOTH ORLANDO AND VERO BEACH RANKED IN THE TOP
10 COLDEST OCTOBERS ON RECORD.

THE AVERAGE TEMPERATURE VALUES FOR OCTOBER AT THE FOUR MAIN CLIMATE
SITES ACROSS EAST CENTRAL FLORIDA ARE AS FOLLOWS (RANKINGS PROVIDED
IF IN THE TOP 10):

-DAYTONA BEACH HAD AN AVERAGE MONTHLY TEMPERATURE OF 71.3 DEGREES
FAHRENHEIT, WHICH WAS 2.7 DEGREES BELOW NORMAL.

-ORLANDO HAD AN AVERAGE MONTHLY TEMPERATURE OF 72.2 DEGREES
FAHRENHEIT, WHICH WAS 3.3 DEGREES BELOW NORMAL. THIS TIES 1987 FOR
THE 9TH COLDEST OCTOBER ON RECORD FOR THIS SITE.

-MELBOURNE HAD AN AVERAGE MONTHLY TEMPERATURE OF 74.0 DEGREES
FAHRENHEIT, WHICH WAS 2.0 DEGREES BELOW NORMAL.

-VERO BEACH HAD AN AVERAGE MONTHLY TEMPERATURE OF 74.6 DEGREES
FAHRENHEIT, WHICH WAS 1.9 DEGREES BELOW NORMAL. THIS RANKS AS THE
8TH COLDEST OCTOBER ON RECORD FOR THIS SITE.


.RAINFALL AND SEVERE WEATHER...

A DRIER AIRMASS THAT MOVED THROUGH THE REGION EARLY ON THE 1ST KEPT
MEASURABLE RAINFALL OUT OF THE PICTURE INTO MUCH OF THE FIRST WEEK
OF OCTOBER. THEN ON THE 7TH A STRONG ONSHORE FLOW BEGAN TO COMBINE
WITH DEEPER MOISTURE AND A DISTURBED FLOW ALOFT TO PRODUCE A
SIGNIFICANT HEAVY RAINFALL EVENT INTO THE SECOND WEEKEND OF THE
MONTH. RAINFALL TOTALS DURING THIS EVENT (FROM THE 7TH-9TH) AROUND
6-10 INCHES WERE NOT UNCOMMON ACROSS THE AREA WITH HEAVIER RAINFALL
UP TO 12 TO NEAR 17 INCHES OCCURRING IN SOUTHERN OSCEOLA COUNTY AND
NEAR PALM BAY AND VERO BEACH. RAINFALL AMOUNTS DURING THE PEAK OF
THE EVENT ON THE 8TH RANKED AMONG SOME OF THE HIGHEST DAILY RAINFALL
AMOUNTS EVER RECORDED.

RAINFALL FROM OCTOBER 8TH (FOR SELECT SITES) AND HOW IT RANKS AMONG
THE HIGHEST DAILY PRECIPITATION AMOUNTS FOR OCTOBER AND DURING THE
ENTIRE PERIOD OF RECORD:

STATION       RAINFALL      OCTOBER     ENTIRE RECORD
               TOTALS        RANK           RANK

ORLANDO         6.16"     3RD HIGHEST    7TH HIGHEST
MELBOURNE       5.68"     2ND HIGHEST    9TH HIGHEST
VERO BEACH      8.30"     2ND HIGHEST    3RD HIGHEST

THE OTHER SIGNIFICANT WEATHER THAT HAPPENED DURING THIS EVENT WAS
WITH VERY STRONG WINDS FROM A GALE FORCE LOW THAT DEVELOPED JUST
OFFSHORE OF THE FLORIDA EAST COAST ON THE 9TH. THIS SYSTEM PRODUCED
MINOR WIND DAMAGE AS IT GENERATED SUSTAINED WINDS OF 40-50 MPH AND
GUSTS AS HIGH AS 75-80 MPH ACROSS PORTIONS OF THE EAST CENTRAL
FLORIDA COAST.

FOR MORE INFORMATION ON THIS EVENT PLEASE VISIT:

WWW.SRH.NOAA.GOV/MLB/

AND CLICK ON OUR STORM SURVEYS PAGE.

NEAR TO BELOW NORMAL RAINFALL WAS THEN OBSERVED THROUGH THE MIDDLE
OF THE MONTH...ESPECIALLY AFTER ANOTHER DRY AIRMASS BUILT INTO THE
AREA BEHIND A WEAK COLD FRONT ON THE 14TH. THEN ANOTHER HEAVY
RAINFALL EVENT OCCURRED ON THE 18TH WELL AHEAD OF A STRONG COLD
FRONTAL PASSAGE. RAINFALL AMOUNTS UP TO 2 TO 4 INCHES FELL ON THIS
DAY...MAINLY OVER OKEECHOBEE COUNTY AND THE TREASURE COAST. IN
ADDITION TWO EF-0 TORNADOES DEVELOPED WITH STORMS DURING THIS
EVENT...ONE IN INDIANTOWN AND THE OTHER IN VERO BEACH.

THE DRIER AIRMASS THAT MOVED INTO THE AREA BEHIND THE COLD FRONT ON
THE 19TH SIGNALED THE BEGINNING OF THE DRY SEASON OVER EAST CENTRAL
FLORIDA WITH LITTLE TO NO RAINFALL OBSERVED OVER THE NEXT SEVERAL
DAYS. ANOTHER FRONTAL PASSAGE AND OVERRUNNING MOISTURE INTO LATE
MONTH THEN BROUGHT MORE LOCALLY HEAVY RAINFALL TO THE REGION...AS
WELL AS THE THIRD EF-0 TORNADO TO THE IMPACT THE AREA. THIS ONE
STRUCK HOBE SOUND ON THE 29TH AND PRODUCED DAMAGE TO 42 MOBILE HOMES
IN THE AREA.

THE HEAVY RAINFALL EVENTS DURING THE MONTH ALLOWED FOR WELL ABOVE
NORMAL RAINFALL WITH AMOUNTS AROUND 200 TO 300 PERCENT OF NORMAL.
VERO BEACH WAS THE HIGHEST OF THESE WITH A TOTAL THAT WAS 17.02
INCHES ABOVE NORMAL AND MADE FOR THEIR WETTEST OCTOBER ON RECORD!
THIS PRECIPITATION OVER THE AREA FINALLY PUT AN END TO ANY LINGERING
ABNORMALLY DRY CONDITIONS THAT WERE IN PLACE.

OCTOBER 2011 RAINFALL TOTALS FOR THE FOUR MAIN CLIMATE SITES ACROSS
EAST CENTRAL FLORIDA ARE AS FOLLOWS (RANKINGS PROVIDED IF IN THE TOP
10):

-DAYTONA BEACH RECEIVED 5.88 INCHES OF RAINFALL FOR THE MONTH, WHICH
WAS 1.67 INCHES ABOVE NORMAL.

-ORLANDO RECEIVED 8.87 INCHES OF RAINFALL FOR THE MONTH, WHICH WAS
5.56 INCHES ABOVE NORMAL. THIS RANKS AS THE 9TH WETTEST OCTOBER ON
RECORD FOR THIS SITE.

-MELBOURNE RECEIVED 9.54 INCHES OF RAINFALL FOR THE MONTH, WHICH WAS
4.48 INCHES ABOVE NORMAL. THIS RANKS AS THE 9TH WETTEST OCTOBER ON
RECORD FOR THIS SITE.

-VERO BEACH RECEIVED 21.93 INCHES OF RAINFALL FOR THE MONTH, WHICH
WAS 17.02 INCHES ABOVE NORMAL. THIS RANKS AS THE WETTEST OCTOBER ON
RECORD FOR THIS SITE...SMASHING THE PREVIOUS RECORD OF 15.58 INCHES
SET IN 1983. THIS IS ALSO THE 2ND WETTEST MONTH FOR VERO BEACH...
FALLING SHORT OF THE 23.01 INCHES THAT FELL DURING SEPTEMBER OF
2004.

BELOW IS A LIST OF OBSERVED PRECIPITATION TOTALS AND RAINFALL
STATISTICS FOR SELECT SITES ACROSS EAST CENTRAL FLORIDA FOR OCTOBER
2011:

STATION       OCTOBER 2011     30 YEAR      DEPARTURE    PERCENT OF
                RAINFALL       NORMAL      FROM NORMAL     NORMAL

DAYTONA BEACH    5.88"          4.21"         1.67"         140%
(DAB)
ORLANDO          8.87"          3.31"         5.56"         268%
(MCO)
MELBOURNE        9.54"          5.06"         4.48"         189%
(MLB)
VERO BEACH      21.93"          4.91"        17.02"         447%
(VRB)
CLERMONT         7.01"          2.52"         4.49"         278%
(CLRF1)
DELAND           5.69"          4.18"         1.51"         136%
(DELF1)
SANFORD          7.27"          3.93"         3.34"         185%
(SFNF1)
TITUSVILLE       7.44"          4.72"         2.72"         158%
(TITF1)
FORT PIERCE     16.47"          5.42"        11.05"         304%
(FPCF1)


FOR MORE LOCAL INFORMATION, PLEASE VISIT OUR WEB PAGE AT
HTTP://WEATHER.GOV/MELBOURNE AND CLICK ON THE "LOCAL" LINK UNDER
THE CLIMATE SUBSECTION ON THE LEFT SIDE OF THE PAGE.

$$

WEITLICH

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