Alert archive / Florida / Special Weather Statements in 2012
Special Weather Statement, NWS Melbourne, FL
NWS Melbourne, FL issued this special weather statement at Jul 17, 2012, 2:48 PM EDT for Volusia County, Florida. It was in force for 42 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
- Jul 17, 2012, 2:48 PM EDT (18:48 UTC)
- Expired
- Jul 17, 2012, 3:30 PM EDT
- In force
- 42 min
- Issued by
- NWS Melbourne, FL
County Volusia County, FL
The radar
The Melbourne radar (KMLB), 137 km from the middle of the area, began a volume at 18:49 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, 6.8 hours before the alert went out and 147 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
- 1223 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 836 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 2 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 Jul 17, 2:15 PM EDT, 33 minutes earlier.
Area forecast discussion, Jul 17, 2:15 PM EDT, 33 minutes before
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</html>Hazardous weather outlook, Jul 17, 12:10 PM EDT, 2 hours 38 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE MELBOURNE FL 1210 PM EDT TUE JUL 17 2012 AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141- 144-147-180415- 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- 1210 PM EDT TUE JUL 17 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA. .DAY ONE...THIS AFTERNOON AND TONIGHT. .THUNDERSTORM IMPACT... NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS WILL DEVELOP ACROSS EAST CENTRAL FLORIDA INTO THE AFTERNOON. SLOW TO STATIONARY STORM MOTION WILL OCCUR FROM LAKE COUNTY EASTWARD TO VOLUSIA AND NORTHERN BREVARD COUNTIES WITH EAST TO NORTHEAST MOTION AROUND 5 TO 10 MPH FARTHER SOUTH. THE PRIMARY THREAT WILL BE CLOUD TO GROUND LIGHTNING...ESPECIALLY ALONG THE COAST THIS AFTERNOON AS STORMS MOVE OFFSHORE. REMEMBER...LIGHTNING CAN STRIKE MANY MILES OUTSIDE OF ITS PARENT STORM...EVEN WHEN NO CLOUDS ARE OVERHEAD. IF THUNDER IS HEARD...CEASE OUTDOOR ACTIVITIES AND MOVE INDOORS IMMEDIATELY. .FLOOD IMPACT... NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS WILL DEVELOP ACROSS EAST CENTRAL FLORIDA INTO THIS AFTERNOON. DUE TO SLOW TO STATIONARY STORM MOTION...ESPECIALLY FROM LAKE COUNTY EASTWARD TO VOLUSIA AND NORTHERN BREVARD COUNTIES...THIS ACTIVITY WILL HAVE THE POTENTIAL TO PRODUCE LOCALLY HEAVY RAIN WHICH MAY CAUSE LOW- LYING AND POOR DRAINAGE AREAS TO FLOOD. .RIP CURRENT IMPACT... A LONG PERIOD SWELL WILL IMPACT THE EAST FLORIDA COAST TODAY... RESULTING IN A MODERATE RIP CURRENT THREAT ALONG AREA BEACHES. THE THREAT WILL BE HIGHEST THROUGH 4:30 PM DUE TO TIDAL EFFECTS. BE SURE TO SWIM IN SIGHT OF A LIFEGUARD AND ALWAYS CHECK SURF CONDITIONS BEFORE ENTERING THE WATER. IF CAUGHT IN A RIP CURRENT...STAY CALM AND SWIM PARALLEL TO SHORE UNTIL ITS GRIP RELEASES AND THEN SWIM BACK TO SHORE. .MARINE THUNDERSTORM GUST IMPACT... NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS WILL DEVELOP ACROSS EAST CENTRAL FLORIDA THIS AFTERNOON. STORM MOTION WILL BE NORTHEAST AROUND 5 TO 10 MPH. THIS MOTION WILL RESULT IN OFFSHORE MOVING STORMS...ESPECIALLY SOUTH OF CAPE CANAVERAL...THAT WILL BE CAPABLE OF GENERATING WIND GUSTS UP TO 35 KNOTS OVER THE NEARSHORE ATLANTIC WATERS...AS WELL AS ON AREA LAKES. BOATERS SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO SEEK SAFE HARBOR SHOULD THUNDERSTORMS DEVELOP IN THEIR VICINITY. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. THE ATLANTIC HIGH PRESSURE RIDGE WILL REMAIN OVER SOUTH FLORIDA THROUGH MIDWEEK BEFORE SHIFTING NORTH. SOUTHWESTERLY WINDS WILL RESULT IN HIGHER STORM COVERAGE OVER EAST CENTRAL FLORIDA WITH SCATTERED AFTERNOON SHOWERS AND THUNDERSTORMS EXPECTED THROUGH MIDWEEK. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY. WEITLICH/BRAGAW
In the hours before
Special weather statement, Jul 17, 1:56 PM EDT, 52 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
156 PM EDT TUE JUL 17 2012
FLZ046-171845-
SEMINOLE-
156 PM EDT TUE JUL 17 2012
...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 45 AND 50 MPH AND SMALL HAIL OVER SEMINOLE COUNTY...
* UNTIL 245 PM EDT.
AT 153 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STORM CAPABLE OF PRODUCING STRONG WINDS AND SMALL HAIL OVER
CASSELBERRY...MOVING NORTHEAST AT 10 MPH.
LOCATIONS IN THE PATH OF THE STORM WHICH MAY EXPERIENCE STRONG WINDS
AND SMALL HAIL INCLUDE FERN PARK AND WINTER SPRINGS.
THE PRIMARY THREAT WILL BE CLOUD TO GROUND LIGHTNING STRIKES AND
GUSTY WINDS OF 45 TO 50 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 2874 8142 2883 8123 2879 8120 2880 8118
2878 8118 2879 8114 2882 8112 2881 8107
2875 8106 2870 8102 2867 8101 2863 8133
2868 8146 2871 8146
TIME...MOT...LOC 1755Z 239DEG 15KT 2867 8132
WEITLICHSpecial weather statement, Jul 17, 2:48 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
248 PM EDT TUE JUL 17 2012
FLZ141-171930-
COASTAL VOLUSIA COUNTY-
248 PM EDT TUE JUL 17 2012
...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 45 AND 50 MPH AND SMALL HAIL OVER NORTHERN VOLUSIA COUNTY...
* UNTIL 330 PM EDT.
AT 245 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STORM CAPABLE OF PRODUCING STRONG WINDS AND SMALL HAIL NEAR DAYTONA
INTERNATIONAL SPEEDWAY...MOVING NORTHEAST AT 5 TO 10 MPH.
LOCATIONS IN THE PATH OF THE STORM WHICH MAY EXPERIENCE STRONG WINDS
AND SMALL HAIL INCLUDE DAYTONA BEACH AND ORMOND BEACH.
THE PRIMARY THREAT WILL BE CLOUD TO GROUND LIGHTNING STRIKES AND
GUSTY WINDS OF 45 TO 50 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 2921 8099 2908 8117 2911 8125 2920 8131
2927 8126 2927 8116 2941 8116 2943 8114
2943 8110
TIME...MOT...LOC 1847Z 210DEG 9KT 2919 8113
WEITLICHThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 1:56 PM EDT | Special Weather Statement | MLB | Seminole | 49 min |
| Jul 17, 2:54 PM EDT | Areal Flood Advisory | MLB | Lake, Orange, Osceola | 81 min |
| Jul 17, 3:57 PM EDT | Special Weather Statement | MLB | Indian River | 48 min |
| Jul 17, 4:32 PM EDT | Special Marine Warning | MLB | 88 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.