000
NOUS42 KMLB 020311
PNSMLB
FLZ041-044>047-053-054-058-059-064-141-144-147-030000-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
1011 PM EST TUE MAR 1 2011

...ABOVE NORMAL TEMPERATURES WERE OBSERVED ACROSS EAST CENTRAL
FLORIDA DURING FEBRUARY 2011...
...A LACK OF STRONG FRONTAL SYSTEMS PUSHING ACROSS THE STATE LED TO
EXTREMELY DRY CONDITIONS AND CONTINUED THE ONGOING DROUGHT FOR ALL
OF EAST CENTRAL FLORIDA...


WEAK FRONTAL SYSTEMS BROUGHT PERIODIC LIGHT RAINFALL AND A SWING IN
TEMPERATURES TO EAST CENTRAL FLORIDA IN EARLY FEBRUARY. THE SECOND
HALF OF THE MONTH WAS DOMINATED BY HIGH PRESSURE AND ABOVE NORMAL
TEMPERATURES WITH OCCASIONAL LINGERING BOUNDARIES BRINGING NOTHING
MORE THAN CLOUD COVER OR A BRIEF SHOWER TO MOST OF THE AREA. WITH
THE RAINFALL DEFICIT WORSENING...SEVERE TO EXTREME DROUGHT
CONDITIONS REMAINED IN PLACE ACROSS EAST CENTRAL FLORIDA. THE
ABSENCE OF SIGNIFICANT WEATHER SYSTEMS AND COLD FRONTS ALLOWED
TEMPERATURES TO WARM TO ABOVE NORMAL AS OPPOSED TO BELOW NORMAL
READINGS EXPERIENCED IN DECEMBER AND JANUARY.


.TEMPERATURES...

LARGE FLUCTUATIONS IN TEMPERATURE OCCURRED EARLY IN FEBRUARY. THE
FIRST WEEK OF FEBRUARY 2011 SAW ABOVE AVERAGE TEMPERATURES...WHILE
THE SECOND WEEK BROUGHT TWO COLD FRONTS ACROSS THE AREA THAT
DRASTICALLY COOLED OFF TEMPERATURES. HIGH PRESSURE AND ATMOSPHERIC
RIDGING BEGAN TO TAKE HOLD OVER EAST CENTRAL FLORIDA RIGHT AROUND
MID MONTH...ALLOWING TEMPERATURES TO MODERATE TO NEAR NORMAL. THEN
TOWARDS THE FINAL WEEK AND A HALF OF FEBRUARY TEMPERATURES CONTINUED
TO INCREASE WITH ABOVE NORMAL READINGS OBSERVED JUST ABOUT EVERY DAY
IN THE ABSENCE OF ANY SIGNIFICANT COLD FRONTS.

OVERALL...THE HEAT TOWARDS THE END OF FEBRUARY WAS THE MAIN FACTOR
IN CAUSING ABOVE NORMAL TEMPERATURES FOR THE MONTH.

THE OVERALL FEBRUARY MONTHLY AVERAGE TEMPERATURE VALUES FOR 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 62.5 DEGREES
FAHRENHEIT WHICH WAS 2.5 DEGREES ABOVE NORMAL.

-ORLANDO HAD AN AVERAGE MONTHLY TEMPERATURE OF 66.1 DEGREES
FAHRENHEIT WHICH WAS 3.5 DEGREES ABOVE NORMAL. THIS IS THE 10TH
WARMEST FEBRUARY ON RECORD FOR THIS STATION.

-MELBOURNE HAD AN AVERAGE MONTHLY TEMPERATURE OF 66.7 DEGREES
FAHRENHEIT WHICH WAS 4.8 DEGREES ABOVE NORMAL.

-VERO BEACH HAD AN AVERAGE MONTHLY TEMPERATURE OF 65.7 DEGREES
FAHRENHEIT WHICH WAS 1.8 DEGREES ABOVE NORMAL.


.RAINFALL...

MOSTLY ALL OF THE RAINFALL FOR FEBRUARY 2011 FELL DURING THE FIRST
HALF OF THE MONTH...IN ASSOCIATION WITH THE COUPLE STRONGER FRONTAL
BOUNDARIES THAT MIGRATED ACROSS FLORIDA. STILL...NO EXTRAORDINARY
RAINFALL EVENTS OCCURRED DURING THE MONTH. A COUPLE OF LOCATIONS IN
THE NORTHERN AND WESTERN SECTIONS OF EAST CENTRAL FLORIDA SAW CLOSE
TO AN INCH OF RAIN IN ONE DAY...BUT MANY AREAS DID NOT EVEN SEE A
QUARTER OF AN INCH IN A ONE DAY PERIOD. NORTHWESTERN AREAS SAW
SLIGHTLY HIGHER RAINFALL AMOUNTS DUE TO THEIR PROXIMITY TO THE COLD
FRONTS BEFORE THESE BOUNDARIES WEAKENED AS THEY MOVED SOUTH ACROSS
THE PENINSULA.

THE LATTER HALF OF THE MONTH SAW BASICALLY NO RAINFALL WHATSOEVER.
NORTHERN LOCATIONS RECEIVED LIGHT AMOUNTS TOWARD THE VERY END OF THE
FEBRUARY DUE TO A MOISTURE BOUNDARY THAT BARELY PROPAGATED INTO EAST
CENTRAL FLORIDA. THIS LACK OF STRONG WEATHER SYSTEMS MOVING ACROSS
THE STATE ALLOWED DROUGHT CONDITIONS TO PERSIST...WITH SEVERE TO
EXTREME DROUGHT CONDITIONS OVER MUCH OF THE AREA.

THESE DRIER THAN NORMAL CONDITIONS ACROSS FLORIDA WERE MORE TYPICAL
OF THE LA NINA PATTERN OVER THE EQUATORIAL PACIFIC. LARGE-SCALE
RIDGING OVER THE SOUTHEASTERN UNITED STATES KEPT THE JET STREAM TO
THE NORTH DURING THE SECOND HALF OF FEBRUARY. THE NORTHERN POSITION
AND TRACK OF THE JET STREAM ACTED TO KEEP EAST CENTRAL FLORIDA CLEAR
OF ANY SIGNIFICANT RAIN PRODUCING SYSTEMS...ESPECIALLY DURING THE
LATTER PART OF THE MONTH.


THE OVERALL 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 1.20 INCHES OF RAINFALL WHICH WAS 1.54
INCHES BELOW NORMAL.

-ORLANDO RECEIVED 0.25 INCHES OF RAINFALL WHICH WAS 2.10 INCHES
BELOW NORMAL. THIS IS THE 4TH DRIEST FEBRUARY ON RECORD FOR THIS
SITE. NO MEASURABLE RAINFALL FELL AT ORLANDO SINCE THE 10TH...WHICH
LED TO AN 18 DAY DRY SPELL TO FINISH OUT THE MONTH.

-MELBOURNE RECEIVED 0.21 INCHES OF RAINFALL WHICH WAS 2.28 INCHES
BELOW NORMAL. THIS IS THE 4TH DRIEST FEBRUARY ON RECORD FOR THIS
SITE. NO MEASURABLE RAINFALL FELL AT MELBOURNE SINCE THE
10TH...CREATING A STREAK OF 18 CONSECUTIVE DAYS WITHOUT RAINFALL TO
END THE MONTH.

-VERO BEACH RECEIVED 0.33 INCHES OF RAINFALL WHICH WAS 2.12 INCHES
BELOW NORMAL. THIS IS THE 6TH DRIEST FEBRUARY ON RECORD FOR THIS
SITE. THE LAST DAY TO RECEIVE MEASURABLE RAINFALL DURING FEBRUARY
WAS THE 11TH...MAKING FOR 17 CONSECUTIVE RAIN FREE DAYS TO CLOSE OUT
THE MONTH.


THE TOP 5 DRIEST FEBRUARY RANKINGS IN INCHES AND LAST YEAR SET:

   DAYTONA          ORLANDO       MELBOURNE     VERO BEACH
 1. 0.18  1943   1. 0.10  1944  1. 0.11  1939  1. 0.04  2001
 2. 0.24  1944   2. 0.15  1989  2. 0.14  1944  2. 0.05  1945
 3. 0.38  2001   3. 0.22  2001  3. 0.20  1976  3. 0.12  1944
 4. 0.45  1939   4. 0.25  2011  4. 0.21  2011  4. 0.16  2009
 5. 0.46  1997   5. 0.36  2000  5. 0.25  1985  5. 0.32  1985


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

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

DAYTONA BEACH      1.20"         2.74"      -1.54"          44%
(DAB)
ORLANDO            0.25"         2.35"      -2.10"          11%
(MCO)
MELBOURNE          0.21"         2.49"      -2.28"           8%
(MLB)
VERO BEACH         0.33"         2.45"      -2.12"          13%
(VRB)
CLERMONT           0.54"         2.58"      -2.04"          21%
(CLRF1)
DELAND             1.15"         2.96"      -1.81"          39%
(DELF1)
SANFORD            0.60"         2.96"      -2.36"          20%
(SFNF1)
TITUSVILLE         0.34"         2.79"      -2.45"          12%
(TITF1)
FORT PIERCE        0.16"         2.99"      -2.83"           5%
(FPCF1)


FOR MORE LOCAL CLIMATE 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.

$$

GUSEMAN

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