NOUS42 KMLB 021612
PNSMLB

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
1200 PM EDT SUN JUN 2 2013
 
...SPRING 2013 WAS COOLER THAN NORMAL WITH ABOVE NORMAL RAINFALL...

SEVERAL POWERFUL COLD FRONTS STARTED THE SPRING SEASON WITH WELL 
BELOW NORMAL TEMPERATURES ACROSS EAST CENTRAL FLORIDA. TEMPERATURES 
QUICKLY REVERSED TO WARMER THAN NORMAL IN APRIL BEFORE THEY DROPPED 
SLIGHTLY BELOW NORMAL IN MAY. ALTHOUGH CONDITIONS STARTED OFF DRY IN 
MARCH...SEVERAL MULTI-DAY RAINFALL EVENTS ALONG WITH A TRANSITION TO 
THE WET SEASON LED TO ABOVE NORMAL RAINFALL ACROSS MUCH OF THE 
REGION. 

.TEMPERATURES...

THE 2013 SPRING SEASON STARTED OFF PARTICULARLY COLD AS A SERIES OF STRONG 
COLD FRONTS MOVED THROUGH THE REGION. THE AVERAGE TEMPERATURE IN 
MARCH WAS ACTUALLY LOWER THAN THIS PAST DECEMBER, JANUARY, AND 
FEBRUARY! THESE BELOW NORMAL TEMPERATURES RANKED MARCH IN THE TOP 
TEN COLDEST ON RECORD AT ALL FOUR PRIMARY CLIMATE SITES. WHILE 
FRONTS CONTINUED TO PUSH THROUGH THE REGION IN APRIL...THE AIR 
MASSES BEHIND THEM WERE NOT PARTICULARLY COOL. ORLANDO, MELBOURNE, 
AND VERO BEACH ALL RANKED IN THEIR RESPECTIVE TOP 10 WARMEST APRIL'S 
ON RECORD. A COOL AND WET WEATHER PATTERN THEN ESTABLISHED ITSELF 
ACROSS EAST CENTRAL FLORIDA DURING THE MONTH OF MAY. 

AVERAGE TEMPERATURE DEPARTURES FOR THE SPRING SEASON WERE AROUND 1 
DEGREE BELOW NORMAL. 
 
THE AVERAGE TEMPERATURE VALUES FOR THE 2013 SPRING SEASON AT THE FOUR 
PRIMARY CLIMATE SITES ACROSS EAST CENTRAL FLORIDA ARE AS FOLLOWS 
(RANKINGS PROVIDED IF IN THE TOP 10):

-DAYTONA BEACH HAD AN AVERAGE SPRING SEASON TEMPERATURE OF 67.9 DEGREES 
FAHRENHEIT, WHICH WAS 1.5 DEGREES BELOW NORMAL. THIS RANKS AS THE 9TH 
COOLEST SPRING ON RECORD FOR THIS SITE. 

-ORLANDO HAD AN AVERAGE SPRING SEASON TEMPERATURE OF 70.4 DEGREES 
FAHRENHEIT, WHICH WAS 1.4 DEGREES BELOW NORMAL. 

-MELBOURNE HAD AN AVERAGE SPRING SEASON TEMPERATURE OF 69.9 DEGREES 
FAHRENHEIT, WHICH WAS 1.0 DEGREES BELOW NORMAL. 

-VERO BEACH HAD AN AVERAGE SPRING SEASON TEMPERATURE OF 70.2 DEGREES 
FAHRENHEIT, WHICH WAS 1.3 DEGREES BELOW NORMAL. THIS RANKS AS THE 9TH
COOLEST SPRING ON RECORD FOR THIS SITE. 

.RAINFALL...   

WHILE THE STRONGEST COLD FRONTS...IN TERMS OF TEMPERATURE...MOVED 
THROUGH EARLY IN THE SEASON...THEY WERE GENERALLY MOISTURE STARVED. 
RAINFALL AMOUNTS IN MARCH RANGED FROM 20 TO 35 PERCENT OF NORMAL. 
INCREASING MOISTURE AND INSTABILITY OUT OF AHEAD OF FRONTAL 
BOUNDARIES HELPED TO INCREASE SHOWER AND THUNDERSTORM ACTIVITY 
ACROSS THE REGION IN APRIL. ALL FOUR PRIMARY CLIMATE SITES RECORDED 
ABOVE NORMAL RAINFALL DURING THE MONTH. A WET WEATHER PATTERN 
ESTABLISHED ITSELF IN MAY...ESPECIALLY ALONG THE COAST. COASTAL 
CONVERGENCE ALONG THE VOLUSIA COAST DURING THE FIRST FEW DAYS OF MAY 
HELPED CONTRIBUTE TO DAYTONA BEACH'S 3RD WETTEST MAY ON RECORD. DEEP 
AND MOIST EASTERLY FLOW LATE IN THE MONTH HELPED DROPPED COPIOUS 
AMOUNTS OF RAINFALL ON AREAS SOUTH OF CAPE CANAVERAL...WITH 
MELBOURNE AND VERO BEACH RANKING IN THEIR RESPECTIVE TOP 10 WETTEST 
ON RECORD. 

RAINFALL TOTALS FOR THE SEASON RANGED FROM ABOUT 10 TO 13 INCHES FOR 
MANY AREA CLIMATE SITES OR ROUGHLY 1 TO 4 INCHES ABOVE NORMAL.

THE 2013 SPRING SEASON RAINFALL TOTALS FOR THE FOUR PRIMARY CLIMATE 
SITES ACROSS EAST CENTRAL FLORIDA ARE AS FOLLOWS (RANKINGS PROVIDED 
IF IN THE TOP 10):

-DAYTONA BEACH RECEIVED 12.95 INCHES OF RAINFALL THIS SPRING SEASON 
WHICH WAS 3.40 INCHES ABOVE NORMAL. 

-ORLANDO RECEIVED 9.96 INCHES OF RAINFALL THIS SPRING SEASON WHICH 
WAS NEAR THE SEASONAL AVERAGE OF 9.90 INCHES. 

-MELBOURNE RECEIVED 12.67 INCHES OF RAINFALL THIS SPRING SEASON 
WHICH WAS 3.97 INCHES ABOVE NORMAL. THIS RANKS AS THE 10TH WETTEST
SPRING ON RECORD FOR THIS SITE.  

-VERO BEACH RECEIVED 12.67 INCHES OF RAINFALL THIS SPRING SEASON 
WHICH WAS 2.47 INCHES ABOVE NORMAL. 

BELOW IS A LIST OF OBSERVED PRECIPITATION TOTALS AND RAINFALL
STATISTICS FOR SELECT SITES ACROSS EAST CENTRAL FLORIDA FOR MAY
2013:

STATION       SPRING 2013      30 YEAR      DEPARTURE     PERCENT                              
               RAINFALL         NORMAL     FROM NORMAL   OF NORMAL

DAYTONA BEACH   12.95"          9.55"        +3.40"         136% 
(DAB)
ORLANDO          9.96"          9.90"        +0.06"         101%
(MCO)
MELBOURNE       12.67"          8.70"        +3.97"         145%
(MLB)
VERO BEACH      12.67"         10.20"        +2.47"         124% 
(VRB)
CLERMONT         9.66"          9.93"        -0.27"          97%
(CLRF1)
DELAND          11.10"         10.58"        +0.52"         105%
(DELF1)
SANFORD         11.14"          9.46"        +1.68"         118%
(SFNF1)
FORT PIERCE     13.00"         10.33"        +2.67"         126% 
(FPCF1)
STUART          10.45"         13.43"        -2.98"          78%
(STRF1)


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.

$$

ULRICH

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