Alert archive / Florida / Special Weather Statements in 2016

Special Weather Statement, NWS Melbourne, FL

April 14, 2016Saint Lucie County, Florida

NWS Melbourne, FL issued this special weather statement at Apr 14, 2016, 10:37 PM EDT for Saint Lucie County, Florida. It was in force for 23 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
Apr 14, 2016, 10:37 PM EDT (02:37 UTC)
Expired
Apr 14, 2016, 11:00 PM EDT
In force
23 min
Issued by
NWS Melbourne, FL

County Saint Lucie County, FL

The radar

The Melbourne radar (KMLB), 108 km from the middle of the area, began a volume at 02:38 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

Cape Canaveral, FL (KXMR), launched 00:00Z, 2.6 hours before the alert went out and 142 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 00:00Z on 2016-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 714 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 00:00Z on 2016-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.19395878Sfc1 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
714 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
901 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
134 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted.

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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 Apr 14, 10:24 PM EDT, 13 minutes earlier.

Area forecast discussion, Apr 14, 10:24 PM EDT, 13 minutes before
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Hazardous weather outlook, Apr 14, 1:25 PM EDT, 9 hours 12 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MELBOURNE FL
125 PM EDT THU APR 14 2016

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-150530-
FLAGLER BEACH TO VOLUSIA-BREVARD COUNTY LINE 0-20 NM-VOLUSIA-
BREVARD COUNTY LINE TO SEBASTIAN INLET 0-20 NM-
SEBASTIAN INLET TO JUPITER INLET 0-20 NM-FLAGLER BEACH TO VOLUSIA-
BREVARD COUNTY LINE 20-60 NM-VOLUSIA-
BREVARD COUNTY LINE TO SEBASTIAN INLET 20-60 NM-
SEBASTIAN INLET TO JUPITER INLET 20-60 NM-INLAND VOLUSIA COUNTY-
NORTHERN LAKE COUNTY-ORANGE-SEMINOLE-SOUTHERN BREVARD COUNTY-
OSCEOLA-INDIAN RIVER-OKEECHOBEE-ST. LUCIE-MARTIN-
COASTAL VOLUSIA COUNTY-SOUTHERN LAKE COUNTY-
NORTHERN BREVARD COUNTY-
125 PM EDT THU APR 14 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

.THUNDERSTORM IMPACT...
AFTERNOON AND EVENING COLLISIONS BETWEEN LAKE AND SEA BREEZE
BOUNDARIES WILL COMBINE WITH DEEP MOISTURE AND COLD AIR ALOFT TO
ALLOW FOR THE DEVELOPMENT OF ISOLATED TO SCATTERED LIGHTNING
STORMS. THE THREAT WILL BE HIGHEST OVER THE INTERIOR LATE THIS
AFTERNOON AND EVENING AS THE EAST AND WEST COAST SEA BREEZES
COLLIDE.

A FEW STORMS COULD BECOME STRONG WITH THE MAIN THREATS INCLUDING
CLOUD TO GROUND LIGHTNING...TORRENTIAL DOWNPOURS...GUSTY WINDS UP
TO AROUND 45 MPH AND SMALL HAIL. MOVEMENT WILL GENERALLY BE TOWARD
THE EAST AT 10 TO 15 MPH BUT COULD BE VARIABLE AT TIMES.

.RIP CURRENT IMPACT...
OCEAN CONDITIONS WILL PRODUCE A MODERATE RIP CURRENT THREAT ALONG
THE ATLANTIC COAST BEACHES TODAY. RIP CURRENTS WILL BE AT THEIR
STRONGEST AFTER 5 PM THIS AFTERNOON DUE TO TIDAL EFFECTS. CHECK
WITH BEACH PATROL FOR LOCAL CONDITIONS BEFORE ENTERING THE WATER.
REMEMBER TO SWIM NEAR A LIFEGUARD AND NEVER SWIM ALONE.

.MARINE THUNDERSTORM GUST IMPACT...
ISOLATED LIGHTNING STORMS THIS AFTERNOON AND EVENING COULD PRODUCE
WIND GUSTS IN EXCESS OF 35 KNOTS ON INLAND LAKES. ISOLATED
LIGHTNING STORMS OVER THE COASTAL WATERS MAY ALSO PRODUCE STRONG
WIND GUSTS THROUGH TONIGHT.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
ISOLATED THUNDERSTORM CHANCES CONTINUE INTO SATURDAY AS THE
WEATHER PATTERN REMAINS UNSETTLED WITH DISTURBANCES ALOFT MOVING
ACROSS THE AREA. STRONG HIGH PRESSURE OVER THE EASTERN SEABOARD
WILL GENERATE A LONG FETCH FRESH TO STRONG EAST TO NORTHEAST
WINDS THIS WEEKEND...WHICH WILL PRODUCE POOR TO HAZARDOUS BOATING
CONDITIONS. LIFE THREATENING RIP CURRENTS WILL REMAIN MODERATE TO
HIGH THROUGH THE WEEKEND WITH ROUGH SURF AT AREA BEACHES.

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

BRAGAW

In the hours before

Special weather statement, Apr 14, 5:43 PM EDT, 4 hours 54 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
543 PM EDT THU APR 14 2016

FLZ045-144-142245-
SOUTHERN LAKE COUNTY FL-ORANGE FL-
543 PM EDT THU APR 14 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN ORANGE AND
SOUTHWESTERN LAKE COUNTIES UNTIL 645 PM EDT...

AT 542 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 13
MILES SOUTHWEST OF LAKE LOUISA...OR 16 MILES SOUTH OF GROVELAND...
MOVING EAST AT 20 TO 25 MPH.

DIME SIZE HAIL AND WIND GUSTS OF 50 TO 55 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
BAY LAKE...DOCTOR PHILLIPS...BAY HILL...LAKE BUENA VISTA AND MAGIC
KINGDOM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE PRIMARY THREATS WILL BE CLOUD TO GROUND LIGHTNING AND STRONG WIND
GUSTS...WHICH CAN CAUSE UNSECURED OBJECTS TO BLOW AROUND...SNAP TREE
LIMBS...CAUSE POWER OUTAGES OR CAPSIZE SMALL BOATS. HEAVY RAINFALL
WILL TEMPORARILY REDUCE VISIBILITY. SEEK SHELTER INDOORS UNTIL THE
STORM PASSES.

BOATERS SHOULD BE AWARE THAT STRONG WIND GUSTS SOMETIMES OCCUR WELL
AWAY FROM THE HEAVY RAIN AND LIGHTNING ASSOCIATED WITH STORMS.

&&

LAT...LON 2842 8194 2844 8149 2835 8150 2835 8179
      2836 8179 2836 8186 2835 8186 2835 8195
TIME...MOT...LOC 2142Z 278DEG 17KT 2832 8188

LASCODY
Special weather statement, Apr 14, 5:48 PM EDT, 4 hours 49 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
548 PM EDT THU APR 14 2016

FLZ053-142245-
OSCEOLA FL-
548 PM EDT THU APR 14 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN OSCEOLA COUNTY UNTIL
645 PM EDT...

AT 547 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 12
MILES SOUTHWEST OF LAKE LOUISA...OR 16 MILES SOUTH OF GROVELAND...
MOVING EAST AT 20 TO 25 MPH.

DIME SIZE HAIL AND WIND GUSTS OF 50 TO 55 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
KISSIMMEE...BAY LAKE...CELEBRATION...INTERCESSION CITY AND POINCIANA.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 2835 8140 2814 8142 2816 8152 2820 8152
      2826 8156 2826 8166 2835 8166
TIME...MOT...LOC 2147Z 276DEG 18KT 2833 8185

LASCODY
Special weather statement, Apr 14, 7:46 PM EDT, 2 hours 51 minutes before
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Special weather statement, Apr 14, 7:56 PM EDT, 2 hours 41 minutes before
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Local storm report, Apr 14, 8:57 PM EDT, 1 hour 40 minutes before
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Special weather statement, Apr 14, 10:37 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
1037 PM EDT THU APR 14 2016

FLZ059-150300-
ST. LUCIE FL-
1037 PM EDT THU APR 14 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN ST. LUCIE COUNTY
UNTIL 1100 PM EDT...

AT 1037 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
OVER PORT SAINT LUCIE RIVER PARK...OR OVER PORT SAINT LUCIE...MOVING
EAST AT 30 MPH.

HALF INCH HAIL AND WINDS IN EXCESS OF 45 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
PORT SAINT LUCIE...WALTON...FORT PIERCE...STUART AND JENSEN BEACH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE PRIMARY THREATS WILL BE CLOUD TO GROUND LIGHTNING AND STRONG WIND
GUSTS...WHICH CAN CAUSE UNSECURED OBJECTS TO BLOW AROUND...SNAP TREE
LIMBS...CAUSE POWER OUTAGES OR CAPSIZE SMALL BOATS. HEAVY RAINFALL
WILL TEMPORARILY REDUCE VISIBILITY. SEEK SHELTER INDOORS UNTIL THE
STORM PASSES.

BOATERS SHOULD BE AWARE THAT STRONG WIND GUSTS SOMETIMES OCCUR WELL
AWAY FROM THE HEAVY RAIN AND LIGHTNING ASSOCIATED WITH STORMS.

HEAVY RAINFALL IS ALSO OCCURRING WITH THIS STORM...WHICH WILL REDUCE
VISIBILITY AND MAY LEAD TO TEMPORARY FLOODING OF LOW LYING AND POOR
DRAINAGE AREAS. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 2717 8017 2718 8017 2718 8016 2719 8016
      2718 8019 2721 8021 2719 8020 2719 8021
      2721 8022 2720 8026 2719 8026 2721 8027
      2720 8028 2721 8029 2720 8029 2722 8042
      2740 8040 2740 8021 2716 8012
TIME...MOT...LOC 0237Z 280DEG 25KT 2730 8033

LASCODY

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 14, 8:27 PM EDTSevere Thunderstorm WarningMLBOkeechobee, Osceola46 min
Apr 14, 8:33 PM EDTSevere Thunderstorm WarningMLBIndian River44 min
Apr 14, 9:29 PM EDTSevere Thunderstorm WarningMLBOkeechobee, Saint Lucie46 min
Apr 14, 10:35 PM EDTSpecial Marine WarningMLB55 min
Apr 15, 3:59 AM EDTSmall Craft AdvisoryMLB4 days
Apr 15, 2:37 PM EDTSpecial Weather StatementMLBMartin, Okeechobee, Saint Lucie53 min
Apr 15, 2:49 PM EDTSpecial Weather StatementMLBIndian River56 min
Apr 15, 2:54 PM EDTSpecial Marine WarningMLB51 min
Apr 15, 3:23 PM EDTSpecial Weather StatementMLBSaint Lucie67 min
Apr 15, 3:41 PM EDTSevere Thunderstorm WarningMLBSaint Lucie49 min
Apr 15, 3:51 PM EDTSpecial Marine WarningMLB54 min
Apr 15, 4:09 PM EDTSpecial Weather StatementMLBOsceola51 min
Apr 15, 4:21 PM EDTCoastal Flood WatchMLBVolusia6 hr
Apr 15, 4:24 PM EDTSpecial Marine WarningMLB66 min
Apr 15, 4:25 PM EDTSpecial Weather StatementMLBMartin50 min
Apr 15, 4:31 PM EDTSpecial Weather StatementMLBOkeechobee59 min
Apr 15, 4:37 PM EDTSpecial Weather StatementMLBSaint Lucie53 min
Apr 15, 4:39 PM EDTSevere Thunderstorm WarningMLBMartin36 min
Apr 15, 4:42 PM EDTSevere Thunderstorm WarningMLBSaint Lucie63 min
Apr 15, 4:46 PM EDTAreal Flood AdvisoryMLBSaint Lucie119 min
Apr 15, 4:55 PM EDTSevere Thunderstorm WarningMLBMartin35 min
Apr 15, 5:00 PM EDTSpecial Marine WarningMLB60 min
Apr 15, 5:02 PM EDTSevere Thunderstorm WarningMLBIndian River, Saint Lucie40 min
Apr 15, 5:08 PM EDTSevere Thunderstorm WarningMLBMartin, Saint Lucie35 min
Apr 15, 5:20 PM EDTSpecial Weather StatementMLBIndian River55 min
Apr 15, 5:56 PM EDTSpecial Weather StatementMLBLake64 min
Apr 15, 6:05 PM EDTAreal Flood AdvisoryMLBOsceola115 min

Nearby

Special Weather Statements in Florida, 2016Every special weather statement in 2016

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.