Alert archive / Florida / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 24, NWS Melbourne, FL

April 5, 2011Martin County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Apr 5, 2011, 12:59 PM EDT for Martin County, Florida. It was in force for 46 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 5, 2011, 12:59 PM EDT (16:59 UTC)
Expired: Apr 5, 2011, 1:45 PM EDT
In force: 46 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon

County Martin County, FL

The radar

The Melbourne radar (KMLB), 118 km from the middle of the area, began a volume at 16:59 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 5, 7:04 AM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Miami, FL (KMFL), launched 12:00Z, 5.0 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2028 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 645 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 155 m²/s²
0-3 km storm-relative helicity: 208 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 9.0

Open this sounding in Storm Lab

The text

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

808 
WUUS52 KMLB 051659
SVRMLB
FLC085-051745-
/O.NEW.KMLB.SV.W.0024.110405T1659Z-110405T1745Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
1259 PM EDT TUE APR 5 2011

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MARTIN COUNTY IN FLORIDA

* UNTIL 145 PM EDT.

* AT 1255 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM ROCKY POINT TO 7 MILES SOUTHWEST OF INDIANTOWN...OR ALONG A
  LINE EXTENDING FROM STUART TO 7 MILES SOUTHEAST OF PORT MAYACA...
  AND MOVING SOUTHEAST AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE...BUT ARE NOT LIMITED       
  TO...HOBE SOUND...JUPITER ISLAND AND JONATHAN DICKINSON STATE PARK

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 58 MILES AN
HOUR AND OR LARGE DESTRUCTIVE HAIL. FREQUENT TO EXCESSIVE LIGHTNING
AND VERY HEAVY RAIN WILL ALSO BE POSSIBLE. IF THE STORM APPROACHES
YOU...SEEK SHELTER IN AN ENCLOSED BUILDING ON THE LOWEST FLOOR. KEEP
AWAY FROM WINDOWS.

&&

LAT...LON 2701 8064 2709 8066 2721 8027 2723 8023
      2721 8020 2724 8018 2717 8015 2716 8019
      2715 8015 2697 8007 2697 8014 2695 8015
      2695 8056
TIME...MOT...LOC 1657Z 308DEG 29KT 2718 8015 2692 8050

$$

GUSEMAN

2 follow-up statements

199 
WWUS52 KMLB 051728
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
128 PM EDT TUE APR 5 2011

FLC085-051745-
/O.CON.KMLB.SV.W.0024.000000T0000Z-110405T1745Z/
MARTIN-
128 PM EDT TUE APR 5 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM EDT
FOR SOUTHEASTERN MARTIN COUNTY...

AT 122 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR JONATHAN DICKINSON
STATE PARK...OR NEAR JUPITER...MOVING EAST AT 35 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 58 MILES AN
HOUR AND OR LARGE DESTRUCTIVE HAIL. FREQUENT TO EXCESSIVE LIGHTNING
AND VERY HEAVY RAIN WILL ALSO BE POSSIBLE. IF THE STORM APPROACHES
YOU...SEEK SHELTER IN AN ENCLOSED BUILDING ON THE LOWEST FLOOR. KEEP
AWAY FROM WINDOWS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 PM EDT
TUESDAY AFTERNOON FOR EAST CENTRAL FLORIDA.

&&

LAT...LON 2704 8023 2709 8013 2697 8007 2697 8014
      2695 8015 2695 8025
TIME...MOT...LOC 1728Z 259DEG 74KT 2701 8000

$$


KELLY

215 
WWUS52 KMLB 051741
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
141 PM EDT TUE APR 5 2011

FLC085-051749-
/O.EXP.KMLB.SV.W.0024.000000T0000Z-110405T1745Z/
MARTIN-
141 PM EDT TUE APR 5 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MARTIN COUNTY
WILL EXPIRE AT 145 PM EDT...

THE SEVERE STORM THAT PROMPTED THE WARNING HAS EXITED THE WARNING 
AREA...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 2704 8023 2709 8013 2697 8007 2697 8014
      2695 8015 2695 8025
TIME...MOT...LOC 1739Z 259DEG 74KT 2705 7975

$$

GUSEMAN

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Apr 5, 10:24 AM EDT, 2 hours 35 minutes earlier.

Area forecast discussion, Apr 5, 10:24 AM EDT, 2 hours 35 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MELBOURNE FL
1024 AM EDT TUE APR 5 2011

.DISCUSSION...

LINE OF CONVECTION CURRENTLY PUSHING FROM WEST TO EAST ACROSS EAST
CENTRAL FLORIDA AT AROUND 45 MPH. STORMS WILL CONTINUE PRODUCING
STRONG GUSTY WINDS AND SOME SMALL HAIL AS THEY MOVE THROUGH THIS
MORNING AND EARLY AFTERNOON. BRIEF HEAVY DOWNPOURS AND LIGHTNING WILL ALSO
OCCUR AT THE ONSET OF THE LINE APPROACHING ANY GIVEN LOCATION.
AREAS NORTH AND WEST OF ORLANDO WILL SEE SHOWERS THROUGH THE REST OF
THIS MORNING...WHILE AREAS SOUTH AND EAST WILL CONTINUE TO SEE
SHOWERS AND THUNDERSTORMS MOVE THROUGH UNTIL EARLY-MID AFTERNOON.

MAY SEE A FEW ISOLATED STORMS DEVELOP OVER SOUTHERN
OKEECHOBEE...SOUTHERN BREVARD AND THE TREASURE COAST AS BETTER
INSTABILITY WILL BE REALIZED. TEMPERATURES NEAR 80 AND DEWPOINTS
IN THE LOW 70S WILL INTERACT WITH COLD POOL AHEAD OF THE FRONT TO
ALLOW FOR SOME STRONG TO SEVERE STORMS LATE THIS MORNING AND EARLY
THIS AFTERNOON. HOWEVER...STORMS WILL NOT BE LONG LIVED OR EXHIBIT
MUCH IN THE WAY OF ANY ROTATION DUE TO LACK OF APPRECIABLE DEEP
LAYER SHEAR.

LAKE WIND ADVISORY UNTIL EARLY THIS EVENING AS PRESSURE GRADIENT
INCREASES ALONG AND IN WAKE OF COLD FRONT. WINDS OF 15 TO 20 MPH
WILL OCCUR WITH GUSTS OF 25 TO 30 MPH AS THEY VEER AROUND TO THE
NORTHWEST.

&&

.AVIATION...

VFR TO MVFR TO PREVAIL FOR MUCH OF THE PERIOD. EXCEPTION WILL BE
IFR TO MVFR AS LINE OF CONVECTION APPROACHES AND IN TRAILING
STRATIFORM REGION BEHIND THE LINE. DAB...LEE...SFB...MCO AND ISM
WILL SEE IMPROVING CONDITIONS LATER THIS MORNING AND INTO THE
AFTERNOON. MLB AND VRB WILL DETERIORATE TO MVFR OR IFR LATER THIS
MORNING AND EARLY THIS AFTERNOON AS STORMS APPROACH.

&&

.MARINE...

STRONG TO SEVERE THUNDERSTORMS CONTINUE TO MOVE THROUGH EAST
CENTRAL FLORIDA. THESE STORMS WILL PRODUCE HEAVY
DOWNPOURS...STRONG GUSTY WINDS AND POSSIBLY A WATERSPOUT OR TWO.

PRESSURE GRADIENT WILL CONTINUE INCREASING AS COLD FRONT
APPROACHES EAST CENTRAL FLORIDA. WINDS WILL VEER TO NORTHWESTERLY
AND RANGE FROM 20 TO 25 KNOTS WITH SEAS OF 3 TO 5 FEET NEARSHORE
AND 6 TO 7 FEET OFFSHORE. SMALL CRAFT ADVISORY FOR WINDS IN
EFFECT UNTIL EARLY EVENING NEARSHORE AND SMALL CRAFT ADVISORY
THROUGH LATE TONIGHT FOR OFFSHORE WATERS.

&&

.MLB WATCHES/WARNINGS/ADVISORIES...
FL...LAKE WIND ADVISORY UNTIL 7 PM EDT THIS EVENING FOR COASTAL
     VOLUSIA-INDIAN RIVER-INLAND VOLUSIA-MARTIN-NORTHERN BREVARD-
     NORTHERN LAKE-OKEECHOBEE-ORANGE-OSCEOLA-SEMINOLE-SOUTHERN
     BREVARD-SOUTHERN LAKE-ST. LUCIE.

     SEVERE THUNDERSTORM WATCH UNTIL 2 PM EDT THIS AFTERNOON FOR
     INDIAN RIVER-MARTIN-NORTHERN BREVARD-OKEECHOBEE-ORANGE-
     OSCEOLA-SEMINOLE-SOUTHERN BREVARD-ST. LUCIE.

AM...SEVERE THUNDERSTORM WATCH UNTIL 2 PM EDT THIS AFTERNOON FOR
     COASTAL WATERS FROM SEBASTIAN INLET TO JUPITER INLET OUT 20
     NM-COASTAL WATERS FROM VOLUSIA BREVARD COUNTY LINE TO
     SEBASTIAN INLET OUT 20 NM.

     SMALL CRAFT ADVISORY FOR WINDS UNTIL 7 PM EDT THIS EVENING FOR
     COASTAL WATERS FROM FLAGLER BEACH TO VOLUSIA BREVARD COUNTY
     LINE OUT 20 NM-COASTAL WATERS FROM SEBASTIAN INLET TO
     JUPITER INLET OUT 20 NM-COASTAL WATERS FROM VOLUSIA BREVARD
     COUNTY LINE TO SEBASTIAN INLET OUT 20 NM.

     SMALL CRAFT ADVISORY UNTIL 4 AM EDT WEDNESDAY FOR WATERS FROM
     FLAGLER BEACH TO VOLUSIA BREVARD COUNTY LINE 20 TO 60 NM
     OFFSHORE-WATERS FROM SEBASTIAN INLET TO JUPITER INLET 20 TO
     60 NM OFFSHORE-WATERS FROM VOLUSIA BREVARD COUNTY LINE TO
     SEBASTIAN INLET 20 TO 60 NM OFFSHORE.

&&

GUSEMAN

Hazardous weather outlook, Apr 5, 5:06 AM EDT, 7 hours 53 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MELBOURNE FL
506 AM EDT TUE APR 5 2011

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-052100-
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-
506 AM EDT TUE APR 5 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...TODAY AND TONIGHT.

...THUNDERSTORM IMPACT...
A BAND OF LIGHTNING STORMS CONTAINING LOCALLY STRONG WIND GUSTS
WILL APPROACH EAST CENTRAL FLORIDA THIS MORNING AND MOVE RAPIDLY
ACROSS THE REGION BY EARLY AFTERNOON. THERE IS A CHANCE THAT A
FEW STORMS MAY BECOME SEVERE...PRODUCING LOCALLY DAMAGING WIND
GUSTS ALONG WITH A POSSIBLE TORNADO. THE PRIMARY WEATHER HAZARDS IN
THE STRONGEST STORMS WILL BE DAMAGING WIND GUSTS OF 50 TO 60
MPH...ALONG WITH DEADLY CLOUD TO GROUND LIGHTNING STRIKES...AND VERY
HEAVY RAIN. A FEW STORMS MAY ACQUIRE ROTATION AND PRODUCE BRIEF
TORNADOES.

...FLOOD IMPACT...
VERY HEAVY RAINFALL WILL BE POSSIBLE WITHIN STRONGER STORMS.
RAINFALL AMOUNTS OF ONE TO TWO INCHES MAY OCCUR WITHIN AN HOUR
WHERE THE STRONG AND PERSISTENT STORMS MOVE ACROSS AN AREA.
NUISANCE FLOODING WILL BE POSSIBLE IN LOW SPOTS AND ROADWAYS.

...HIGH WIND IMPACT...
A LAKE WIND ADVISORY IS IN EFFECT FOR ALL OF EAST CENTRAL FLORIDA
FROM DAYBREAK THROUGH LATE THIS AFTERNOON. WINDS OF 15 TO 25 MPH
WITH SOME HIGHER GUSTS WILL BE CAPABLE OF TOSSING SMALL AND LOOSE
ITEMS...MAKING THEM AIRBORNE. THE STRONG AND GUSTY WINDS WILL
CREATE ROUGH AND HAZARDOUS BOATING CONDITIONS ON AREA LAKES AND
THE INTRACOASTAL WATERS. THIS MAY RESULT IN HIGH WAVES WHICH MAY
TIP OR SWAMP SMALL CRAFT.

...MARINE THUNDERSTORM GUST IMPACT...
LIGHTNING STORMS CAPABLE OF PRODUCING GUSTS TO 35 KNOTS OR GREATER WILL
BE POSSIBLE TUESDAY MORNING ESPECIALLY FROM CAPE CANAVERAL NORTHWARD
AND ESPECIALLY OVER THE GULF STREAM. THERE IS A HIGH LIKELIHOOD OF
STRONG STORMS MOVING OFFSHORE FROM THE MAINLAND FROM CENTRAL
BREVARD COUNTY NORTHWARD WITH LESSER COVERAGE EXPECTED ROUGHLY
SOUTH OF SEBASTIAN INLET.

...WATERSPOUT IMPACT...
WATERSPOUTS MAY OCCUR IN ISOLATED STRONG TO POSSIBLY SEVERE
STORMS MOVING ACROSS THE MARINE AREAS OF EAST CENTRAL FLORIDA FROM
MORNING INTO EARLY AFTERNOON.

...WIND AND SEA IMPACT...
SOUTHWEST WINDS AT 20 TO 25 KNOTS AND GUSTY WILL OCCUR TODAY AHEAD OF
AN APPROACHING COLD FRONT. WINDS BECOMING WEST TO NORTHWEST WILL
ALSO GENERATE HAZARDOUS SHORT PERIOD WAVES OVER ALL OF THE
ATLANTIC WATERS THROUGH THE LATE AFTERNOON.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.
DRYER CONDITIONS WILL DEVELOP OVER THE INTERIOR BEGINNING
WEDNESDAY...HOWEVER CRITICAL FIRE WEATHER CONDITIONS ARE NOT
ANTICIPATED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

ORGANIZED SEVERE WEATHER IS NOT ANTICIPATED...HOWEVER SPOTTERS ARE
REQUESTED TO MONITOR THE WEATHER AND SELF ACTIVATE IF NEEDED.

PENDERGRAST

In the hours before

Local storm report, Apr 5, 11:08 AM EDT, 1 hour 51 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
1108 AM EDT TUE APR 05 2011

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

0940 AM     TSTM WND GST     4 NW HAULOVER CANAL     28.77N 80.80W
04/05/2011  M53 MPH          BREVARD            FL   OTHER FEDERAL

            KSC 54 FT WIND TOWER MEASURED WIND GUST OF 46 KT/53 MPH.

&&

ARB

Local storm report, Apr 5, 11:09 AM EDT, 1 hour 50 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
1109 AM EDT TUE APR 05 2011

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

1047 AM     TSTM WND GST     3 S INDIALANTIC         28.05N 80.56W
04/05/2011  M41 MPH          BREVARD            FL   MESONET

            WEATHER STATION REPORTED WIND GUST OF 36 KT/41 MPH.

&&

ARB

Local storm report, Apr 5, 11:13 AM EDT, 1 hour 46 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
1113 AM EDT TUE APR 05 2011

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

1039 AM     TSTM WND GST     5 WNW INDIALANTIC       28.11N 80.64W
04/05/2011  M56 MPH          BREVARD            FL   ASOS

            KMLB AT MELBOURNE INTERNATIONAL AIRPORT MEASURED A WIND
            GUST OF 49 KT/56 MPH.

&&

ARB

Local storm report, Apr 5, 11:28 AM EDT, 1 hour 31 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
1128 AM EDT TUE APR 05 2011

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

1050 AM     TSTM WND DMG     6 NNW INDIALANTIC       28.16N 80.61W
04/05/2011                   BREVARD            FL   PUBLIC

            PUBLIC REPORTED TREES DOWN ON ROAD AT 11310 BLOCK OF
            SOUTH TROPICAL TRAIL. REPORT RELAYED FROM LOCAL LAW
            ENFORCEMENT.

&&

ARB

Local storm report, Apr 5, 11:48 AM EDT, 1 hour 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
1148 AM EDT TUE APR 05 2011

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

1131 AM     TSTM WND GST     3 ESE GIFFORD           27.66N 80.36W
04/05/2011  M47 MPH          INDIAN RIVER       FL   MESONET

            WEATHER STATION REPORTED WIND GUST OF 41 KT/47 MPH.

&&

ARB

Local storm report, Apr 5, 11:59 AM EDT, 1 hour before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MELBOURNE FL
1159 AM EDT TUE APR 05 2011

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

1050 AM     MARINE TSTM WIND 27 ENE PORT CANAVERAL   28.52N 80.17W
04/05/2011  M40 MPH          AMZ572             FL   BUOY

            BUOY STATION NUMBER 41009 REPORTED WIND GUST OF 35 KT/40
            MPH.

&&

ARB

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 5, 3:10 AM EDT	Lake Wind Advisory	MLB	Lake, Okeechobee, Orange, Osceola, Seminole, Volusia	10 hr
Apr 5, 7:20 AM EDT	Special Weather Statement	MLB	Lake, Volusia	55 min
Apr 5, 7:45 AM EDT	Severe Thunderstorm Warning	MLB	Lake, Volusia	60 min
Apr 5, 7:48 AM EDT	Special Marine Warning	MLB		117 min
Apr 5, 8:15 AM EDT	Severe Thunderstorm Warning	MLB	Lake, Orange, Osceola, Seminole	60 min
Apr 5, 8:45 AM EDT	Special Weather Statement	MLB	Volusia	45 min
Apr 5, 8:52 AM EDT	Severe Thunderstorm Warning	MLB	Brevard, Volusia	38 min
Apr 5, 9:11 AM EDT	Severe Thunderstorm Warning	MLB	Brevard, Lake, Orange, Osceola, Seminole, Volusia	64 min
Apr 5, 9:19 AM EDT	Special Marine Warning	MLB		116 min
Apr 5, 10:14 AM EDT	Severe Thunderstorm Warning	MLB	Brevard, Indian River, Osceola	61 min
Apr 5, 10:50 AM EDT	Special Marine Warning	MLB		115 min
Apr 5, 10:58 AM EDT	Severe Thunderstorm Warning	MLB	Brevard, Indian River, Okeechobee, Saint Lucie	62 min
Apr 5, 11:59 AM EDT	Severe Thunderstorm Warning	MLB	Martin, Okeechobee, Saint Lucie	61 min
Apr 5, 12:38 PM EDT	Special Marine Warning	MLB		112 min

Nearby

Severe Thunderstorm Warnings in Florida, 2011 Every severe thunderstorm warning 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.