Alert archive / Florida / Special Marine Warnings in 2012

Special Marine Warning 72, NWS Melbourne, FL

July 4, 2012

NWS Melbourne, FL issued this special marine warning at Jul 4, 2012, 3:25 PM EDT. It was in force for 65 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 4, 2012, 3:25 PM EDT (19:25 UTC)
Expired
Jul 4, 2012, 4:30 PM EDT
In force
65 min
Issued by
NWS Melbourne, FL
Area
Storm-based polygon

What forecasters said that day

The local office's own words before this special marine warning 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 marine warning went out at Jul 4, 10:05 AM EDT, 5 hours 20 minutes earlier.

Area forecast discussion, Jul 4, 10:05 AM EDT, 5 hours 20 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MELBOURNE FL
1005 AM EDT WED JUL 4 2012

.DISCUSSION...

CURRENT...SURFACE METARS AND VISIBLE SAT IMAGERY INDICATE A LITTLE
SHARPER CURVATURE IN THE WIND FLOW ABOUT THE RIDGE AXIS...WHICH HAS
LIFTED NWD TO A POSITION A LITTLE NORTH OF LAKE OKEECHOBEE EARLY
THIS MORNING. GPS AND RAOB DATA SHOW PWATS IN THE 1.5" - 1.8" RANGE
WITH HIGHEST VALUES OVER THE WESTERN AND NORTHERN CWA.

TODAY/TONIGHT...SUFFICIENT MOISTURE COMBINED WITH FULL SUN WILL LEAD
TO ISOLATED TO SCATTERED COVERAGE OF SHOWERS/STORMS AGAIN THIS
AFTERNOON. AS HAS BEEN THE CASE THE PAST SEVERAL DAYS...BEST CHANCE
THROUGH EARLY AFTERNOON WILL BE AROUND LAKE OKEE...WHILE LATE DAY
SEA BREEZE COLLISION WILL FAVOR STORMS OVER THE INTERIOR/NORTH INTO
THE EARLY EVENING. MADE A FEW TWEAKS TO POPS TODAY - INCREASED
A COUPLE SPOTS BY 10 PCT NE OF LAKE OKEE AND THE NORTH INTERIOR FOR
THIS AFTERNOON. ALSO TWEAKED EARLY EVENING POPS UP A BIT OVER THE
INTERIOR.

STRONG TO MARGINALLY SEVERE PULSE TYPE STORMS POSSIBLE AGAIN ALONG
BOUNDARY COLLISIONS. H85-H50 MEAN WIND REMAINS LESS THAN 5KT OVER
THE ENTIRETY OF THE PENINSULA...SO COMPLETE DEARTH OF STEERING FLOW
MEANS STORM MOTION WILL BE VIA PROPAGATION ALONG BOUNDARIES AND
TOWARD AREAS OF GREATER INSTABILITY.

MAX TEMPS WILL AVERAGE ABOUT A CAT ABOVE NORMAL OVER THE INTERIOR/
NORTH...WHERE L-M90S WILL BE COMMON. LOWS MAINLY IN THE L-M70S.

&&

.AVIATION...EAST COAST SEA BREEZE DEVELOPING EARLIER (~16Z OR SO)
AGAIN FROM VRB-FPR-SUA..THEN GRADUALLY LATER HEADING NORTH WITH
18-19Z ONSET AT DAB. IFR VSBYS IN TS WITH G30KT POSSIBLE INVOF
MLB-SUA..THEN SHIFTING TO THE INTERIOR/NORTH WITH HIGHER (SCT) TS
COVERAGE EXPECTED...BEST CHANCE FROM 21Z-01Z. STORMS WILL BE QSTNRY
WITH SLOW PROPAGATION AGAIN TODAY.

&&

.MARINE...RIDGE AXIS OVER SOUTH CENTRAL PENINSULA WILL CONTINUE TO
SLOWLY LIFT NORTH TO ACROSS CENTRAL PENINSULA TONIGHT. S-SE WINDS
5-10KT...ESE 10-12KT NEAR THE COAST IN AFTERNOON SEA BREEZE. REALLY
NO SIGN OF 3FT SEAS ANYWHERE...SO WILL SHADE BACK TO 1-2 FT.

&&

.MLB WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
AM...NONE.
&&

FORECAST/AVIATION...CRISTALDI
IMPACT GRAPHICS....WIMMER
Hazardous weather outlook, Jul 4, 11:55 AM EDT, 3 hours 30 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MELBOURNE FL
1155 AM EDT WED JUL 4 2012

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-050400-
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 WED JUL 4 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

.THUNDERSTORM IMPACT...
EARLY AFTERNOON SHOWERS WILL FORM ALONG THE LEADING EDGE OF THE
EAST COAST SEA BREEZE AS IT PUSHES ACROSS COASTAL LOCATIONS AND
JUST WEST OF INTERSTATE 95. MID TO LATE AFTERNOON THUNDERSTORMS
WILL FORM ALONG AND BEHIND THE SEA BREEZE AS IT PUSHES WEST ACROSS
INTERIOR LOCATIONS WEST OF INTERSTATE 95. STORM COVERAGE WILL
BECOME SCATTERED BY LATE AFTERNOON OVER THE INTERIOR AS THE EAST
AND WEST COAST SEA BREEZES INTERACT WITH EACH OTHER FROM AROUND
NORTHWEST VOLUSIA COUNTY ACROSS SEMINOLE...LAKE...ORANGE...OSCEOLA
AND OKEECHOBEE. STORMS WILL MOVE TO THE NORTH AND NORTHEAST AT
5 TO 10 MPH BACK TO TOWARD COAST VOLUSIA AND NORTHERN BREVARD
COUNTIES. THE PRIMARY WEATHER HAZARD WILL BE CLOUD TO GROUND
LIGHTNING STRIKES. STRONGER STORMS WILL BE CAPABLE OF PRODUCING
WIND GUSTS TO 45 MPH...LOCALLY HEAVY RAIN THAT MAY LEAD TO SHORT
TERM LOCALIZED FLOODING AND SMALL HAIL. STORMS MAY LINGER INTO THE
MID EVENING ORLANDO TO DAYTONA.

.FLOOD IMPACT...
THE SLOW STORM MOTION WILL ALLOW HEAVY RAIN AMOUNTS TO OCCUR AS
STORMS PASS...WITH RAIN TOTALS OF 2 TO 3 INCHES POSSIBLE. THESE
HEAVY RAIN AMOUNTS MAY LEAD TO TEMPORARY FLOODING OF LOW LYING
AND POORLY DRAINED AREAS.

.RIP CURRENT IMPACT...
A SMALL LONG PERIOD OCEAN SWELL AND FULL MOON WILL BRING A
MODERATE RIP CURRENT RISK TO AREA BEACHES TODAY. BEACHGOERS
ARE URGED TO ONLY SWIM WHERE A LIFEGUARD IS PRESENT.

.MARINE THUNDERSTORM GUST IMPACT...
A FEW STORMS EARLY AFTERNOON NEAR THE INTRACOASTAL WATERWAYS BECOME
SCATTERED OVER THE INTERIOR THROUGH THE LATE AFTERNOON. STORMS
WILL BE SLOW MOVING AND MAY PRODUCE WIND GUSTS OF 34 KNOTS AND
FREQUENT CLOUD TO WATER LIGHTNING STRIKES. BOATERS SHOULD KEEP BE
ALERT FOR STORMS MOVING TOWARD THEM AND SEEK SAFE HARBOR UNTIL THE
STORMS PASS THEIR LOCATIONS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.AN ELEVATED
RIP CURRENT RISK WILL PERSIST INTO THE LATE WEEK.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.

SCATTERED LIGHTNING STORMS ARE EXPECTED EACH AFTERNOON ACROSS
EAST CENTRAL FLORIDA. THE HIGHEST COVERAGE WILL BE ACROSS THE
INTERIOR SECTIONS WITH THE COLLISION OF THE EAST AND WEST COAST
SEA BREEZES LATE AFTERNOON THROUGH AROUND SUNSET.

GLITTO/UPDATE WIMMER

In the hours before

Special weather statement, Jul 4, 1:48 PM EDT, 1 hour 37 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
148 PM EDT WED JUL 4 2012

FLZ047-147-041830-
NORTHERN BREVARD COUNTY-SOUTHERN BREVARD COUNTY-
148 PM EDT WED JUL 4 2012

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 40 AND 50 MPH AND SMALL HAIL OVER NORTHERN AND CENTRAL
BREVARD COUNTY...

* UNTIL 230 PM EDT.

AT 148 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SEVERAL CLUSTERS OF STORMS CAPABLE OF PRODUCING STRONG WINDS AND
SMALL HAIL FROM KENNEDY SPACE CENTER TO MIMS...COCOA AND CANAVERAL
GROVES. THE AREA OF STORMS WAS NEARLY STATIONARY.

LOCATIONS IN THE PATH OF THE STORM WHICH MAY EXPERIENCE STRONG WINDS
AND SMALL HAIL INCLUDE ROCKLEDGE...TITUSVILLE...COCOA BEACH...PORT
CANAVERAL.

THE PRIMARY THREATS 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.

TORRENTIAL RAINFALL CAN BE EXPECTED...CAUSING TEMPORARY PONDING ON
SOME ROADS AND MINOR FLOODING OF POOR DRAINAGE AREAS. MOTORISTS
SHOULD SLOW DOWN IN HEAVY RAINFALL TO REDUCE THE RISK OF HYDROPLANING
AND LEAVE SAFE DISTANCE BETWEEN OTHER VEHICLES.

LAT...LON 2844 8054 2840 8059 2828 8060 2831 8065
      2828 8067 2829 8085 2843 8090 2848 8087
      2853 8093 2870 8095 2871 8082 2866 8081
      2871 8076 2871 8071 2868 8066 2871 8068
      2871 8066 2869 8064 2858 8056 2848 8053
TIME...MOT...LOC 1746Z 284DEG 2KT 2855 8066 2843 8075
          2834 8076
Special weather statement, Jul 4, 1:50 PM EDT, 1 hour 35 minutes before
SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE MELBOURNE FL
150 PM EDT WED JUL 4 2012

FLZ047-147-041830-
NORTHERN BREVARD COUNTY-SOUTHERN BREVARD COUNTY-
150 PM EDT WED JUL 4 2012

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 40 AND 50 MPH AND SMALL HAIL OVER NORTHERN AND CENTRAL
BREVARD COUNTY...

* UNTIL 230 PM EDT.

AT 148 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SEVERAL CLUSTERS OF STORMS CAPABLE OF PRODUCING STRONG WINDS AND
SMALL HAIL FROM KENNEDY SPACE CENTER TO MIMS...COCOA AND CANAVERAL
GROVES. THE AREA OF STORMS WAS NEARLY STATIONARY.

LOCATIONS IN THE PATH OF THE STORM WHICH MAY EXPERIENCE STRONG WINDS
AND SMALL HAIL INCLUDE ROCKLEDGE...TITUSVILLE...COCOA BEACH...PORT
CANAVERAL.

THE PRIMARY THREATS WILL BE CLOUD TO GROUND LIGHTNING STRIKES AND
GUSTY WINDS OF 40 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.

TORRENTIAL RAINFALL CAN BE EXPECTED...CAUSING TEMPORARY PONDING ON
SOME ROADS AND MINOR FLOODING OF POOR DRAINAGE AREAS. MOTORISTS
SHOULD SLOW DOWN IN HEAVY RAINFALL TO REDUCE THE RISK OF HYDROPLANING
AND LEAVE SAFE DISTANCE BETWEEN OTHER VEHICLES.

LAT...LON 2844 8054 2840 8059 2828 8060 2831 8065
      2828 8067 2829 8085 2843 8090 2848 8087
      2853 8093 2870 8095 2871 8082 2866 8081
      2871 8076 2871 8071 2868 8066 2871 8068
      2871 8066 2869 8064 2858 8056 2848 8053
TIME...MOT...LOC 1746Z 284DEG 2KT 2855 8066 2843 8075
          2834 8076
Special weather statement, Jul 4, 2:37 PM EDT, 48 minutes before
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Special weather statement, Jul 4, 3:05 PM EDT, 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
305 PM EDT WED JUL 4 2012

FLZ045-144-041945-
ORANGE-SOUTHERN LAKE COUNTY-
305 PM EDT WED JUL 4 2012

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 45 AND 55 MPH AND SMALL HAIL OVER SOUTHWESTERN LAKE COUNTY...
SOUTHWESTERN ORANGE COUNTY...

* UNTIL 345 PM EDT.

AT 302 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STORMS CAPABLE OF PRODUCING STRONG WINDS AND SMALL HAIL IN SOUTHWEST
ORANGE AND SOUTHERN LAKE COUNTIES...MOVING SOUTHWEST AT 5 MPH.

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 2864 8195 2864 8151 2835 8153 2835 8179
      2836 8180 2836 8185 2835 8186 2834 8194
TIME...MOT...LOC 1904Z 026DEG 4KT 2846 8170

67
Special weather statement, Jul 4, 3:17 PM EDT, 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
317 PM EDT WED JUL 4 2012

FLZ047-053-042015-
OSCEOLA-SOUTHERN BREVARD COUNTY-
317 PM EDT WED JUL 4 2012

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 45 AND 50 MPH AND SMALL HAIL OVER SOUTHERN BREVARD COUNTY...
EASTERN OSCEOLA COUNTY...

* UNTIL 415 PM EDT.

AT 314 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STORM CAPABLE OF PRODUCING STRONG WINDS AND SMALL HAIL OVER WEST
MELBOURNE...MOVING SOUTHEAST AT 10 MPH.

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 2776 8111 2807 8117 2822 8064 2817 8062
      2820 8065 2815 8063 2814 8061 2810 8061
      2809 8059 2807 8059 2791 8051
TIME...MOT...LOC 1917Z 327DEG 13KT 2808 8068

WEITLICH
Special weather statement, Jul 4, 3:21 PM EDT, 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
321 PM EDT WED JUL 4 2012

FLZ141-042015-
COASTAL VOLUSIA COUNTY-
321 PM EDT WED JUL 4 2012

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 45 AND 55 MPH AND SMALL HAIL OVER CENTRAL VOLUSIA COUNTY...

* UNTIL 415 PM EDT.

AT 314 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STORMS CAPABLE OF PRODUCING STRONG WINDS AND SMALL HAIL OVER NEW
SMYRNA BEACH...MOVING NORTH NORTHWEST AT 10 MPH.

LOCATIONS IN THE PATH OF THE STORM WHICH MAY EXPERIENCE STRONG WINDS
AND SMALL HAIL INCLUDE WILBUR BY THE SEA TO DAYTONA SPEEDWAY.

THE PRIMARY THREAT WILL BE CLOUD TO GROUND LIGHTNING STRIKES AND
GUSTY WINDS 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 STORMS
PASSES.

TORRENTIAL RAINFALL CAN BE EXPECTED...CAUSING TEMPORARY PONDING ON
SOME ROADS AND MINOR FLOODING OF POOR DRAINAGE AREAS. MOTORISTS
SHOULD SLOW DOWN IN HEAVY RAINFALL TO REDUCE THE RISK OF HYDROPLANING
AND LEAVE SAFE DISTANCE BETWEEN OTHER VEHICLES.

LAT...LON 2920 8100 2898 8086 2890 8104 2911 8119
TIME...MOT...LOC 1919Z 153DEG 14KT 2904 8101

67

The office that day

Everything else NWS Melbourne, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 3, 8:02 PM EDTSpecial Weather StatementMLBVolusia43 min
Jul 3, 8:15 PM EDTSpecial Weather StatementMLBLake30 min
Jul 3, 8:19 PM EDTSevere Thunderstorm WarningMLBLake28 min
Jul 3, 8:42 PM EDTAreal Flood AdvisoryMLBLake, Volusia93 min
Jul 3, 8:43 PM EDTSevere Thunderstorm WarningMLBLake, Volusia30 min
Jul 4, 1:48 PM EDTSpecial Weather StatementMLBBrevard42 min
Jul 4, 1:50 PM EDTSpecial Weather StatementMLBBrevard40 min
Jul 4, 2:37 PM EDTSpecial Weather StatementMLBBrevard38 min
Jul 4, 3:05 PM EDTSpecial Weather StatementMLBLake40 min
Jul 4, 3:08 PM EDTSevere Thunderstorm WarningMLBLake, Orange23 min
Jul 4, 3:17 PM EDTSpecial Weather StatementMLBOsceola58 min
Jul 4, 3:21 PM EDTSpecial Weather StatementMLBVolusia54 min
Jul 4, 4:01 PM EDTSpecial Weather StatementMLBIndian River59 min
Jul 4, 4:48 PM EDTAreal Flood AdvisoryMLBLake, Volusia57 min
Jul 4, 4:57 PM EDTSpecial Weather StatementMLBIndian River48 min
Jul 4, 5:32 PM EDTAreal Flood AdvisoryMLBLake58 min
Jul 4, 7:01 PM EDTSpecial Weather StatementMLBOkeechobee44 min

Nearby

Special Marine Warnings in Florida, 2012Every special marine warning 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.