Alert archive / Florida / Special Weather Statements in 2012
Special Weather Statement, NWS Melbourne, FL
NWS Melbourne, FL issued this special weather statement at Mar 24, 2012, 6:35 PM EDT for Osceola County, Florida. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Mar 24, 2012, 6:35 PM EDT (22:35 UTC)
- Expired
- Mar 24, 2012, 7:00 PM EDT
- In force
- 25 min
- Issued by
- NWS Melbourne, FL
County Osceola County, FL
The radar
The Melbourne radar (KMLB), 58 km from the middle of the area, began a volume at 22:38 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 10.6 hours before the alert went out and 255 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 139 J/kg
- Mixed-layer CIN
- -87 J/kg
- Mixed-layer LCL
- 982 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Melbourne, FL wrote its last area forecast discussion before this special weather statement went out at Mar 24, 3:33 PM EDT, 3 hours 2 minutes earlier.
Area forecast discussion, Mar 24, 3:33 PM EDT, 3 hours 2 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MELBOURNE FL
333 PM EDT SAT MAR 24 2012
.DISCUSSION...
CURRENTLY/TONIGHT...A WEAK COLD FRONT IS PUSHING EAST ACROSS THE
PANHANDLE WITH LINES OF CONVECTION DEVELOPING AHEAD OF THE
BOUNDARY. SHOWERS AND STORMS WILL INCREASE IN COVERAGE AHEAD OF
THIS ACTIVITY THROUGH THE REST OF THE DAY AND SPREAD EASTWARD
TOWARD THE COAST. STRONGER STORMS ARE STILL POSSIBLE NEAR THE
COAST WITH ANY COLLISIONS THAT OCCUR WITH THE DEVELOPING EAST
COAST SEA BREEZE. THIS INITIAL CONVECTION WILL PUSH OFFSHORE INTO
THE EARLY EVENING. HOWEVER SHOULD THEN SEE CONTINUING CHANCES OF
SHOWER/STORM DEVELOPMENT AHEAD OF THE COLD FRONT AS IT BEGINS TO
MOVE INTO THE AREA LATER TONIGHT. LOWS WILL GENERALLY RESIDE IN
THE 60S TONIGHT WITH CONSIDERABLE CLOUD COVER ACROSS THE
AREA...ESPECIALLY NORTH OF MELBOURNE...ASSOCIATED WITH THE FRONTAL
BOUNDARY.
SUNDAY...THE FRONTAL BOUNDARY AND WEAKENING PRECIP BAND ACROSS THE
AREA WILL SHIFT SOUTHWARD OF THE TREASURE COAST BY LATE DAY
TOMORROW. A FEW STORMS WILL STILL BE POSSIBLE WITH THIS FRONT
MAINLY FROM ORLANDO AREA SOUTHWARD IN THE MORNING AND THEN
CONTINUING ACROSS THE TREASURE COAST INTO THE AFTERNOON. CLOUD
COVER WILL DECREASE WITH RAIN CHANCES ENDING AS FRONT PUSHES SOUTH
OF THE AREA WITH SKIES BECOMING MOSTLY CLEAR OVER NORTH CENTRAL
FLORIDA INTO MID DAY. LOW LEVEL WINDS WILL REMAIN OUT OF THE WEST
SO TEMPS WILL NOT CHANGE MUCH INTO TOMORROW WITH HIGHS REACHING
THE LOW 80S.
MON...A PLEASANT DAY WITH MOST AREAS STARTING OUT IN THE MID TO
UPPER 50S WITH A NW FLOW. WINDS WILL TURN NORTH TO NORTHEAST DURING
THE DAY WITH MAX TEMPS IN THE LOW TO MID 80S EXCEPT UPPER 70S ALG
THE COAST.
TUE-FRI...ONSHORE (E/NE) FLOW WILL INCREASE TUE AS HIGH PRESSURE
BUILDS SOUTHWARD OVER THE AREA WITH BREEZY CONDITIONS ESP AT THE
COAST. THERE SHOULD BE AN INCREASE IN MARINE STRATOCUMULUS CLOUDS
ASSOCD WITH THIS SMALL SURGE AND CANNOT RULE OUT A FEW SHOWERS
MAINLY SOUTH OF THE CAPE TUE MORNING.
THE RIDGE AXIS WILL SETTLE SOUTHWARD INTO N FL BY THU AND DECREASE
THE ONSHORE FLOW. PRETTY DRY AIRMASS OVER THE ATLC SHOULD KEEP RAIN
CHANCES MINIMAL WED-FRI. MAX TEMPS REMAINING IN THE LOW-MID 80S
EXCEPT UPPER 70S AT THE COAST.
&&
.AVIATION...VFR CONDS WILL BE TEMPORARILY REDUCED TO IFR/MVFR IN
ANY SCT SHRA/TSRA ACTIVITY ACROSS THE I-4 CORRIDOR THIS AFT AND
TOWARD THE EAST COAST LATE DAY. ANOTHER ROUND OF SHRA/TSRA WILL
THEN PRECEDE THE WEAK FRONTAL BOUNDARY THAT WILL BEGIN PUSHING
SOUTHWARD OVER THE AREA AFTER 06Z. MORE PREDOMINANT MVFR CIGS AND
REDUCED VISIBILITY IN PRECIP WILL ACCOMPANY THIS FRONT. AS THE
BOUNDARY SHIFT SOUTHWARD AND CLEARS CENTRAL FLORIDA LATER IN THE
DAY VFR CONDS WILL RETURN.
&&
.MARINE...
TONIGHT/SUNDAY...A WEAK COLD FRONT MOVING EASTWARD ACROSS THE
FLORIDA PANHANDLE WILL SWEEP ACROSS CENTRAL FLORIDA AND THE
COASTAL WATERS LATER TONIGHT INTO TOMORROW. OFFSHORE MOVING STORMS
WILL STILL BE A CONCERN FOR BOATERS INTO THE EVENING. A SURGE IN
WESTERLY WINDS WILL ACCOMPANY THE FRONT WITH WINDS INCREASING TO
AROUND 20 KNOTS OFFSHORE OF THE VOLUSIA AND BREVARD COASTS. THESE
WINDS WILL LAST FOR SEVERAL HOURS OVERNIGHT AND INTO THE EARLY
MORNING HOURS SUNDAY BEFORE EVENTUALLY DECREASING TO AROUND 10-15
KNOTS TOMORROW AFTERNOON AS THE FRONT CLEARS THE AREA. WILL ISSUE
A SCA FOR WINDS STARTING SOON AFTER MIDNIGHT TONIGHT CONTINUING
INTO SUNDAY MORNING.
MON...CYCLONIC FLOW AROUND DEPARTING LOW PRESSURE WILL PRODUCE NW
WINDS 10-15 KNOTS TO START BUT FLOW SHOULD VEER TO THE N AND NE
DURING THE DAY AS HIGH PRESSURE BEGINS TO BUILD IN FROM THE NORTH.
SEAS 2-3 FT NEARSHORE AND 4 FT OFFSHORE.
TUE-THU...HIGH PRESSURE IS FORECAST TO BUILD SOUTHWARD FROM THE
GREAT LAKES AND TIGHTEN THE ONSHORE PRESSURE GRADIENT RESULTING IN
15-20 KNOT WINDS TUE. THE ONSHORE WINDS SHOULD DECREASE WED-THU AS
RIDGE AXIS SHIFTS SOUTH AND WEAKENS. SEAS WILL NOT SUBSIDE AS
QUICKLY THOUGH WITH 7 FT OFFSHORE WED...5 FT THU.
&&
.PRELIMINARY POINT TEMPS/POPS...
DAB 64 80 58 79 / 50 20 0 0
MCO 64 83 59 83 / 50 30 0 0
MLB 68 80 61 80 / 40 40 0 0
VRB 65 82 60 80 / 40 40 10 0
LEE 65 82 59 82 / 50 20 0 0
SFB 65 83 59 82 / 50 20 0 0
ORL 66 82 61 82 / 50 30 0 0
FPR 65 82 58 80 / 40 40 10 0
&&
.MLB WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
AM...SMALL CRAFT ADVISORY FOR WINDS FROM 2 AM TO 10 AM EDT SUNDAY FOR
WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE 20
TO 60 NM OFFSHORE-WATERS FROM VOLUSIA BREVARD COUNTY LINE
TO SEBASTIAN INLET 20 TO 60 NM OFFSHORE.
&&
SHORT TERM/AVIATION...WEITLICH
LONG TERM....KELLYHazardous weather outlook, Mar 24, 5:05 PM EDT, 1 hour 30 minutes before
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</html>In the hours before
Special weather statement, Mar 24, 6:35 PM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 24, 4:01 PM EDT | Small Craft Advisory for Winds | MLB | 18 hr | |
| Mar 24, 7:18 PM EDT | Special Weather Statement | MLB | Seminole | 27 min |
| Mar 24, 7:42 PM EDT | Special Marine Warning | MLB | 63 min |
Nearby
Special Weather Statements in Florida, 2012Every special weather statement in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.