Alert archive / Florida / Special Weather Statements in 2012
Special Weather Statement, NWS Melbourne, FL
NWS Melbourne, FL issued this special weather statement at Sep 18, 2012, 3:46 PM EDT for Osceola County, Florida. It was in force for 29 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
- Sep 18, 2012, 3:46 PM EDT (19:46 UTC)
- Expired
- Sep 18, 2012, 4:15 PM EDT
- In force
- 29 min
- Issued by
- NWS Melbourne, FL
County Osceola County, FL
The radar
The Melbourne radar (KMLB), 63 km from the middle of the area, began a volume at 19:46 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
Cape Canaveral, FL (KXMR), launched 12:00Z, 7.8 hours before the alert went out and 104 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
- 144 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 1018 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 58 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 Sep 18, 3:11 PM EDT, 35 minutes earlier.
Area forecast discussion, Sep 18, 3:11 PM EDT, 35 minutes before
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</html>Hazardous weather outlook, Sep 18, 11:55 AM EDT, 3 hours 51 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MELBOURNE FL 1155 AM EDT TUE SEP 18 2012 AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141- 144-147-182300- COASTAL WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE OUT 20 NM- COASTAL WATERS FROM VOLUSIA BREVARD COUNTY LINE TO SEBASTIAN INLET OUT 20 NM- COASTAL WATERS FROM SEBASTIAN INLET TO JUPITER INLET OUT 20 NM- 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- WATERS FROM SEBASTIAN INLET TO JUPITER INLET 20 TO 60 NM OFFSHORE- INLAND VOLUSIA-NORTHERN LAKE-ORANGE-SEMINOLE-SOUTHERN BREVARD- OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-COASTAL VOLUSIA- SOUTHERN LAKE-NORTHERN BREVARD- 1155 AM EDT TUE SEP 18 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA. .DAY ONE...THIS AFTERNOON AND TONIGHT. .THUNDERSTORM IMPACT... SCATTERED TO NUMEROUS LIGHTNING STORMS WILL MOVE TOWARD THE NORTHEAST AT 20 TO 25 MPH AND OVERSPREAD MUCH OF EAST CENTRAL FLORIDA THIS AFTERNOON. A FEW STRONGER STORMS WILL PRODUCE FREQUENT LIGHTNING...STRONG WIND GUSTS UP TO 50 MPH...AND LOCALLY HEAVY RAINFALL UP TO 2 INCHES. ALTHOUGH A SEA BREEZE IS NOT EXPECTED TO DEVELOP ALONG THE VOLUSIA COAST...A SEA BREEZE MAY DEVELOP TO THE SOUTH BUT REMAIN PINNED ALONG THE COAST. STORMS THAT INTERACT WITH THE SEA BREEZE WILL INCREASE IN INTENSITY AS THEY PUSH OFFSHORE LATE THIS AFTERNOON. .RIP CURRENT IMPACT... LINGERING LONG PERIOD SWELLS WILL GENERATE A MODERATE RISK OF RIP CURRENTS ALONG AREA BEACHES TODAY. CHECK WITH LOCAL BEACH PATROL ON THE LATEST SURF CONDITIONS AND ALWAYS SWIM NEAR A LIFEGUARD. .MARINE THUNDERSTORM GUST IMPACT... SCATTERED SHOWERS AND STORMS WILL MOVE NORTHEAST...UP TO 25 MPH ACROSS THE AREA THIS AFTERNOON. THIS ACTIVITY WILL HAVE THE POTENTIAL TO PRODUCE WIND GUSTS AROUND 35 KNOTS OVER INLAND LAKES...AS WELL AS THE INTRACOASTAL AND NEARSHORE ATLANTIC WATERS AS THEY PUSH OFFSHORE. .WIND AND SEA IMPACT... SMALL CRAFT SHOULD EXERCISE CAUTION FOR SOUTH TO SOUTHWEST WINDS 15 TO 20 KNOTS MAINLY NORTH OF SEBASTIAN INLET. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. A FRONTAL BOUNDARY WILL STALL OVER NORTH FLORIDA WEDNESDAY AND EVENTUALLY FADE INTO LATE WEEK. MOISTURE AHEAD OF THIS BOUNDARY WILL BE SUFFICIENT FOR THE DEVELOPMENT OF SCATTERED AFTERNOON LIGHTNING STORMS EACH DAY THIS WEEK. OFFSHORE MOVING THUNDERSTORMS WILL BE POSSIBLE BOTH WEDNESDAY AND THURSDAY. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE REQUESTED TO MONITOR THE WEATHER AND SELF ACTIVATE IF NEEDED. KELLY/WEITLICH
In the hours before
Special weather statement, Sep 18, 2:17 PM EDT, 1 hour 29 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
217 PM EDT TUE SEP 18 2012
FLZ047-147-181900-
NORTHERN BREVARD COUNTY-SOUTHERN BREVARD COUNTY-
217 PM EDT TUE SEP 18 2012
...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 45 AND 55 MPH OVER CENTRAL BREVARD COUNTY...
* UNTIL 300 PM EDT.
AT 213 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STORM CAPABLE OF PRODUCING STRONG WIND GUSTS OVER ROCKLEDGE...MOVING
NORTHEAST AT 30 MPH.
LOCATIONS IN THE PATH OF THE STORM WHICH MAY EXPERIENCE STRONG WINDS
INCLUDE VIERA...MERRITT ISLAND...COCOA BEACH AND CAPE CANAVERAL.
THE PRIMARY THREAT WILL BE CLOUD TO GROUND LIGHTNING STRIKES AND
GUSTY WINDS OF 45 TO 55 MPH...WHICH CAN CAUSE UNSECURED OBJECTS TO
BLOW AROUND...SNAP TREE LIMBS OR CAUSE POWER OUTAGES. HEAVY RAINFALL
WILL TEMPORARILY REDUCE VISIBILITY. SEEK SHELTER INDOORS UNTIL THE
STORM PASSES.
LAT...LON 2844 8055 2840 8059 2825 8060 2825 8062
2829 8062 2831 8065 2829 8066 2823 8065
2813 8086 2841 8087 2849 8077 2841 8073
2851 8074 2862 8059 2859 8057 2845 8052
TIME...MOT...LOC 1816Z 230DEG 26KT 2833 8077
KELLYSpecial weather statement, Sep 18, 2:26 PM EDT, 1 hour 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
226 PM EDT TUE SEP 18 2012
FLZ054-058-059-181915-
INDIAN RIVER-OKEECHOBEE-ST. LUCIE-
226 PM EDT TUE SEP 18 2012
...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 45 AND 55 MPH OVER INDIAN RIVER COUNTY...NORTHEASTERN
OKEECHOBEE COUNTY...NORTHWESTERN ST. LUCIE COUNTY...
* UNTIL 315 PM EDT.
AT 223 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STORM CAPABLE OF PRODUCING STRONG WIND GUSTS 15 MILES WEST OF POINTE
WEST...MOVING NORTHEAST AT 30 MPH.
LOCATIONS IN THE PATH OF THE STORM WHICH MAY EXPERIENCE STRONG WINDS
INCLUDE VERO LAKE ESTATES.
THE PRIMARY THREAT WILL BE CLOUD TO GROUND LIGHTNING STRIKES AND
GUSTY WINDS OF 45 TO 55 MPH...WHICH CAN CAUSE UNSECURED OBJECTS TO
BLOW AROUND...SNAP TREE LIMBS OR CAUSE POWER OUTAGES. HEAVY RAINFALL
WILL TEMPORARILY REDUCE VISIBILITY. SEEK SHELTER INDOORS UNTIL THE
STORM PASSES.
LAT...LON 2743 8074 2763 8087 2784 8047 2782 8045
2782 8044 2767 8035 2763 8034 2760 8033
TIME...MOT...LOC 1826Z 239DEG 24KT 2756 8070
KELLYLocal storm report, Sep 18, 2:44 PM EDT, 1 hour 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
244 PM EDT TUE SEP 18 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0235 PM TSTM WND GST 2 W CAPE CANAVERAL 28.39N 80.64W
09/18/2012 M53 MPH AMZ552 FL OTHER FEDERAL
USAF 54 FT WIND TOWER NUMBER 300 MEASURED A WIND GUST OF
46 KTS/53 MPH.
&&
JRCLocal storm report, Sep 18, 2:52 PM EDT, 54 minutes before
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</html>Special weather statement, Sep 18, 3:08 PM EDT, 38 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
308 PM EDT TUE SEP 18 2012
FLZ058-059-064-181945-
MARTIN-OKEECHOBEE-ST. LUCIE-
308 PM EDT TUE SEP 18 2012
...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 45 AND 55 MPH OVER NORTHERN MARTIN COUNTY...OKEECHOBEE
COUNTY...ST. LUCIE COUNTY...
* UNTIL 345 PM EDT.
AT 304 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STORM CAPABLE OF PRODUCING STRONG WIND GUSTS 13 MILES SOUTHEAST OF
FORT DRUM...MOVING NORTHEAST AT 30 MPH. ADDITIONAL STRONG STORMS ARE
EXPECTEDTO DEVELOP AS AN OUTFLOW BOUNDARY INTERSECTS ONGOING STORMS
IN SAINT LUCIE COUNTY AND NORTHERN MARTIN COUNTY.
LOCATIONS IN THE PATH OF THE STORM WHICH MAY EXPERIENCE STRONG WINDS
INCLUDE FORT DRUM...PORT SAINT LUCIE....FORT PIERCE.
THE PRIMARY THREAT WILL BE CLOUD TO GROUND LIGHTNING STRIKES AND
GUSTY WINDS OF 45 TO 55 MPH...WHICH CAN CAUSE UNSECURED OBJECTS TO
BLOW AROUND...SNAP TREE LIMBS OR CAUSE POWER OUTAGES. HEAVY RAINFALL
WILL TEMPORARILY REDUCE VISIBILITY. SEEK SHELTER INDOORS UNTIL THE
STORM PASSES.
LAT...LON 2710 8067 2716 8072 2720 8080 2715 8087
2721 8095 2722 8098 2726 8101 2729 8100
2733 8105 2736 8104 2738 8107 2738 8111
2744 8114 2756 8088 2756 8031 2720 8016
TIME...MOT...LOC 1907Z 236DEG 25KT 2742 8062
KELLYSpecial weather statement, Sep 18, 3:46 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 |
|---|---|---|---|---|
| Sep 18, 12:27 PM EDT | Special Weather Statement | MLB | Orange | 48 min |
| Sep 18, 12:53 PM EDT | Special Weather Statement | MLB | Lake | 52 min |
| Sep 18, 1:03 PM EDT | Special Marine Warning | MLB | 87 min | |
| Sep 18, 1:10 PM EDT | Special Weather Statement | MLB | Indian River | 50 min |
| Sep 18, 1:38 PM EDT | Special Weather Statement | MLB | Osceola | 52 min |
| Sep 18, 1:53 PM EDT | Special Marine Warning | MLB | 112 min | |
| Sep 18, 2:17 PM EDT | Special Weather Statement | MLB | Brevard | 43 min |
| Sep 18, 2:26 PM EDT | Special Weather Statement | MLB | Indian River | 49 min |
| Sep 18, 3:08 PM EDT | Special Weather Statement | MLB | Okeechobee, Saint Lucie | 37 min |
| Sep 18, 3:33 PM EDT | Special Marine Warning | MLB | 87 min | |
| Sep 18, 4:46 PM EDT | Special Weather Statement | MLB | Indian River, Saint Lucie | 59 min |
| Sep 18, 5:03 PM EDT | Special Marine Warning | MLB | 63 min | |
| Sep 18, 5:05 PM EDT | Special Marine Warning | MLB | 59 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.