Alert archive / Florida / Special Weather Statements in 2011

Special Weather Statement, NWS Melbourne, FL

June 14, 2011Seminole County, Florida

NWS Melbourne, FL issued this special weather statement at Jun 14, 2011, 2:43 PM EDT for Seminole County, Florida. It was in force for 47 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
Jun 14, 2011, 2:43 PM EDT (18:43 UTC)
Expired
Jun 14, 2011, 3:30 PM EDT
In force
47 min
Issued by
NWS Melbourne, FL

County Seminole County, FL

The radar

The Melbourne radar (KMLB), 64 km from the middle of the area, began a volume at 18:43 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, 6.7 hours before the alert went out and 37 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.

Skew-T log-pSkew-T log-p diagram, Cape Canaveral, FL at 12:00Z on 2011-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 271 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cape Canaveral, FL at 12:00Z on 2011-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
271 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
1216 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
16 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 Jun 14, 10:55 AM EDT, 3 hours 48 minutes earlier.

Area forecast discussion, Jun 14, 10:55 AM EDT, 3 hours 48 minutes before
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Hazardous weather outlook, Jun 14, 5:33 AM EDT, 9 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MELBOURNE FL
533 AM EDT TUE JUN 14 2011

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-142200-
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-
533 AM EDT TUE JUN 14 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...TODAY AND TONIGHT.

.THUNDERSTORM IMPACT...
A WEAK SURFACE TROUGH OVER SOUTH GEORGIA WILL SAG INTO NORTH
FLORIDA BY THIS AFTERNOON. A SLIGHT INCREASE IN MOISTURE AND
CONVERGENCE AHEAD OF THIS FEATURE WILL LEAD TO A CHANCE FOR
AFTERNOON SHOWERS AND LIGHTNING STORMS TODAY. WESTERLY SURFACE
WINDS WILL HOLD OFF THE EAST COAST SEA BREEZE UNTIL LATE IN THE
AFTERNOON ALONG THE IMMEDIATE COAST. THIS WILL KEEP STORM
DEVELOPMENT CONFINED TO ALONG AND AHEAD OF THE WEST COAST SEA
BREEZE.

STORMS WILL MOVE QUICKLY TOWARD THE EAST-SOUTHEAST AT 20 TO 25
MPH AND WILL BE CAPABLE OF PRODUCING STRONG GUSTY WINDS ABOVE 40
MPH...SMALL HAIL...FREQUENT LIGHTNING AND TORRENTIAL RAINFALL.
MOVE INDOORS AT THE FIRST SIGN OF A THUNDERSTORM. IF YOU CAN HEAR
THUNDER...THEN LIGHTNING IS CLOSE ENOUGH TO STRIKE YOU.

.MARINE THUNDERSTORM GUST IMPACT...
ANY STORMS THAT FORM WILL AFFECT INLAND LAKES DURING AFTERNOON...AND
POTENTIALLY THE INTRACOASTAL AND IMMEDIATE NEAR SHORE ATLANTIC
WATERS FROM LATE AFTERNOON FROM LATE AFTERNOON UNTIL SUNSET. BOATERS
SHOULD REMAIN ALERT TO THE POTENTIAL FOR STORMS APPROACHING FROM
THE WEST AT AROUND 20 KNOTS. MOVE TO SAFE HARBOR IN ADVANCE OF ANY
LIGHTNING STORMS.

.FIRE WEATHER IMPACT...
THE COMBINATION OF ONGOING DRY GROUND AND FUEL CONDITIONS COUPLED
WITH AFTERNOON RELATIVE HUMIDITY VALUES IN THE MID TO UPPER 30S
AND THE THREAT FOR AFTERNOON LIGHTNING STORMS WILL RESULT IN A
MODERATE FIRE DANGER TODAY.

SEVERAL LIGHTNING-INITIATED FIRES HAVE OCCURRED OVER THE PAST FEW DAYS
...AND MORE IGNITIONS FROM LIGHTNING CAN BE EXPECTED TODAY.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.
THERE WILL BE A SLIGHT CHANCE FOR AFTERNOON AND EARLY EVENING
LIGHTNING STORMS FROM WEDNESDAY THROUGH FRIDAY...WITH COVERAGE
INCREASING THIS WEEKEND.

THE FIRE DANGER WILL REMAIN ELEVATED UNTIL THE PATTERN OF HIGHER
COVERAGE OF AFTERNOON RAINFALL BECOMES ESTABLISHED IN EAST CENTRAL
FLORIDA.

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

CRISTALDI

In the hours before

Local storm report, Jun 14, 12:08 PM EDT, 2 hours 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
1208 PM EDT TUE JUN 14 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0800 AM     WILDFIRE         3 WNW MAYTOWN           28.83N 81.01W
06/14/2011                   VOLUSIA            FL   NEWSPAPER

            ONGOING WILDFIRE HAS CONSUMED 38 HUNTING CAMPS...10
            OUTBUILDINGS AND 7 VEHICLES. 3 HOMES HAVE BEEN EVACUATED.

&&

KELLY
Special weather statement, Jun 14, 1:46 PM EDT, 57 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
146 PM EDT TUE JUN 14 2011

FLZ053-141830-
OSCEOLA-
146 PM EDT TUE JUN 14 2011

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 45 AND 55 MPH OVER NORTHWESTERN OSCEOLA COUNTY...

* UNTIL 230 PM EDT.

AT 142 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STORM CAPABLE OF PRODUCING STRONG WIND GUSTS OVER CELEBRATION...
MOVING EAST AT 15 MPH.

LOCATIONS IN THE PATH OF THE STORM WHICH MAY EXPERIENCE STRONG WINDS
INCLUDE CAMPBELL.

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 2834 8158 2835 8148 2834 8130 2812 8125
      2820 8154 2825 8156 2825 8158
TIME...MOT...LOC 1747Z 291DEG 12KT 2830 8149

SEDLOCK
Special weather statement, Jun 14, 2:29 PM EDT, 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
229 PM EDT TUE JUN 14 2011

FLZ053-141930-
OSCEOLA-
229 PM EDT TUE JUN 14 2011

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

* UNTIL 330 PM EDT.

AT 224 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STORM CAPABLE OF PRODUCING STRONG WIND GUSTS OVER HARMONY AND SAINT
CLOUD...MOVING SOUTHEAST AT 15 TO 20 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 2828 8125 2823 8088 2780 8089 2773 8114
      2806 8145 2802 8138 2807 8135 2808 8145
      2810 8146
TIME...MOT...LOC 1828Z 304DEG 23KT 2818 8119

GUSEMAN
Local storm report, Jun 14, 2:34 PM EDT, 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
234 PM EDT TUE JUN 14 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0155 PM     TSTM WND GST     5 ENE INTERCESSION CITY 28.29N 81.44W
06/14/2011  M54 MPH          OSCEOLA            FL   ASOS

            KISSIMMEE ASOS REPORTED A 54 MPH THUNDERSTORM WIND GUST.

&&

GUSEMAN
Special weather statement, Jun 14, 2:43 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
243 PM EDT TUE JUN 14 2011

FLZ041-046-141-147-141930-
COASTAL VOLUSIA COUNTY-INLAND VOLUSIA COUNTY-NORTHERN BREVARD
COUNTY-SEMINOLE-
243 PM EDT TUE JUN 14 2011

...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 45 AND 55 MPH OVER NORTHERN BREVARD COUNTY...NORTHEASTERN
SEMINOLE COUNTY...SOUTHEASTERN VOLUSIA COUNTY...

* UNTIL 330 PM EDT.

AT 238 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STORM CAPABLE OF PRODUCING STRONG WIND GUSTS OVER SCOTTSMOOR...MOVING
SOUTHEAST AT 15 TO 20 MPH.

LOCATIONS IN THE PATH OF THE STORM WHICH MAY EXPERIENCE STRONG WINDS
INCLUDE MERRITT ISLAND WILDLIFE REFUGE.

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 2856 8059 2858 8061 2856 8060 2852 8073
      2860 8073 2859 8076 2864 8079 2869 8079
      2871 8075 2879 8084 2852 8077 2851 8078
      2862 8096 2880 8136 2891 8103 2890 8085
      2886 8083 2890 8082 2890 8079 2857 8057
TIME...MOT...LOC 1842Z 325DEG 14KT 2870 8079

GUSEMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 1:46 PM EDTSpecial Weather StatementMLBOrange44 min
Jun 14, 2:29 PM EDTSpecial Weather StatementMLBOsceola61 min
Jun 14, 2:44 PM EDTSpecial Marine WarningMLB91 min
Jun 14, 2:46 PM EDTSevere Thunderstorm WarningMLBBrevard, Volusia44 min
Jun 14, 2:51 PM EDTSevere Thunderstorm WarningMLBOsceola54 min
Jun 14, 3:03 PM EDTSevere Thunderstorm WarningMLBBrevard, Osceola42 min
Jun 14, 3:29 PM EDTSevere Thunderstorm WarningMLBBrevard, Orange, Seminole, Volusia61 min
Jun 14, 3:59 PM EDTSpecial Marine WarningMLB91 min
Jun 14, 4:25 PM EDTSpecial Marine WarningMLB80 min
Jun 14, 5:04 PM EDTSevere Thunderstorm WarningMLBOrange, Osceola56 min
Jun 14, 5:18 PM EDTSpecial Weather StatementMLBMartin42 min
Jun 14, 5:21 PM EDTSevere Thunderstorm WarningMLBMartin, Saint Lucie39 min
Jun 14, 5:33 PM EDTSpecial Marine WarningMLB87 min
Jun 14, 5:35 PM EDTSpecial Weather StatementMLBSeminole40 min
Jun 14, 5:57 PM EDTSevere Thunderstorm WarningMLBMartin42 min
Jun 14, 5:59 PM EDTSevere Thunderstorm WarningMLBOsceola50 min
Jun 14, 6:19 PM EDTSpecial Weather StatementMLBSeminole41 min
Jun 14, 6:29 PM EDTSevere Thunderstorm WarningMLBBrevard, Orange48 min
Jun 14, 7:17 PM EDTSpecial Weather StatementMLBSeminole, Volusia43 min

Nearby

Special Weather Statements in Florida, 2011Every special weather statement in 2011

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.