Alert archive / Florida / Special Weather Statements in 2011
Special Weather Statement, NWS Melbourne, FL
NWS Melbourne, FL issued this special weather statement at Mar 10, 2011, 9:42 AM EST for Indian River County, Okeechobee County, Saint Lucie County, Florida. It was in force for 48 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
- Mar 10, 2011, 9:42 AM EST (14:42 UTC)
- Expired
- Mar 10, 2011, 10:30 AM EST
- In force
- 48 min
- Issued by
- NWS Melbourne, FL
Counties Indian River County, FL, Okeechobee County, FL, Saint Lucie County, FL
The radar
The Melbourne radar (KMLB), 68 km from the middle of the area, began a volume at 14:42 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, 2.7 hours before the alert went out and 109 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1411 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- -120 m²/s²
- 0-3 km storm-relative helicity
- 198 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 Mar 10, 3:27 AM EST, 6 hours 15 minutes earlier.
Area forecast discussion, Mar 10, 3:27 AM EST, 6 hours 15 minutes before
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</html>Hazardous weather outlook, Mar 10, 4:38 AM EST, 5 hours 4 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MELBOURNE FL 438 AM EST THU MAR 10 2011 AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141- 144-147-102100- 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- 438 AM EST THU MAR 10 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA. .DAY ONE...TODAY AND TONIGHT. ...THUNDERSTORM IMPACT... A BAND OF SHOWERS AND EMBEDDED THUNDERSTORMS AHEAD OF A COLD FRONT WILL MOVE INTO LAKE AND VOLUSIA COUNTIES EARLY THIS MORNING. THIS LINE WILL THEN CONTINUE SOUTHEASTWARD TOWARD OKEECHOBEE AND THE TREASURE COAST LATER THIS AFTERNOON. MAIN THREATS WITH ANY THUNDERSTORMS WILL BE STRONG GUSTY WINDS UP TO 40 TO 45 MPH...DANGEROUS CLOUD TO GROUND LIGHTNING STRIKES AND HEAVY RAINFALL. ...RIP CURRENT IMPACT... OCEAN CONDITIONS WILL BE FAVORABLE FOR AN ELEVATED RISK OF RIP CURRENTS TODAY. ALWAYS SWIM NEAR A LIFEGUARD AND NEVER SWIM ALONE. ...MARINE THUNDERSTORM GUST IMPACT... A LINE OF SHOWERS AND STORMS AHEAD OF A COLD FRONT WILL MOVE FROM NORTH TO SOUTH OVER THE AREA TODAY. ANY THUNDERSTORMS THAT PUSH OFFSHORE WILL HAVE THE POTENTIAL TO PRODUCE WIND GUSTS IN EXCESS OF 34 KNOTS. ...WIND AND SEA IMPACT... SOUTH WINDS WILL INCREASE ACROSS THE WATERS THIS MORNING AS THEY VEER TO THE SOUTHWEST AND EVENTUALLY WEST LATE TODAY AS A COLD FRONT CROSSES THE AREA. WINDS WILL BECOME NORTHWEST TONIGHT AND INCREASE UP TO 20 TO 25 KNOTS OFFSHORE BEHIND THE COLD FRONT...BUILDING SEAS UP TO 7 TO 8 FEET. A SMALL CRAFT ADVISORY REMAINS IN EFFECT FOR THE OFFSHORE WATERS OF VOLUSIA AND BREVARD COUNTIES TODAY AND WILL THEN BE IN EFFECT FOR THE ENTIRE COASTAL WATERS TONIGHT. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. FRESH NORTHWEST WINDS WILL CONTINUE TO GENERATE HAZARDOUS BOATING CONDITIONS OVER THE COASTAL WATERS INTO LATE WEEK. A MUCH DRIER AIRMASS WILL BUILD IN BEHIND THE COLD FRONT INTO FRIDAY. THIS DRIER AIR COUPLED WITH GUSTY NORTHWEST WINDS WILL GENERATE AN ELEVATED FIRE WEATHER WEATHER THREAT TOMORROW AFTERNOON. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE REQUESTED TO MONITOR THE WEATHER AND SELF ACTIVATE IF NEEDED. WEITLICH
In the hours before
Special weather statement, Mar 10, 9:03 AM EST, 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
903 AM EST THU MAR 10 2011
FLZ053-054-058-101445-
INDIAN RIVER-OKEECHOBEE-OSCEOLA-
903 AM EST THU MAR 10 2011
...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 35 AND 45 MPH AND SMALL HAIL OVER WESTERN INDIAN RIVER
COUNTY...OKEECHOBEE COUNTY...SOUTH OSCEOLA COUNTY...
* UNTIL 945 AM EST.
AT 857 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SHOWERS AND ISOLATED STORMS CAPABLE OF PRODUCING STRONG
WINDS AND SMALL HAIL FROM 45 MILES NORTHWEST OF YEEHAW JUNCTION TO
15 MILES NORTHWEST OF KISSIMMEE PRAIRIE PRESERVE. THE LINE WAS
MOVING EAST AT 20 TO 25 MPH.
THE PRIMARY THREAT WILL BE CLOUD TO GROUND LIGHTNING STRIKES AND
GUSTY WINDS OF 35 TO 45 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 2720 8080 2714 8087 2725 8100 2729 8100
2733 8105 2736 8104 2738 8106 2739 8112
2746 8117 2749 8121 2754 8121 2761 8115
2767 8114 2780 8121 2782 8070 2713 8068
TIME...MOT...LOC 1401Z 270DEG 0KT 2827 8121 2777 8121
SEDLOCKSpecial weather statement, Mar 10, 9:42 AM EST, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
942 AM EST THU MAR 10 2011
FLZ047-054-058-059-101530-
INDIAN RIVER-OKEECHOBEE-SOUTHERN BREVARD COUNTY-ST. LUCIE-
942 AM EST THU MAR 10 2011
...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 35 AND 45 MPH AND SMALL HAIL OVER SOUTHEASTERN BREVARD
COUNTY...INDIAN RIVER COUNTY...OKEECHOBEE COUNTY...ST. LUCIE
COUNTY...
* UNTIL 1030 AM EST.
AT 937 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SHOWERS AND ISOLATED STORMS CAPABLE OF PRODUCING STRONG
WINDS AND SMALL HAIL FROM SEBASTIAN INLET TO 9 MILES SOUTH OF
BASINGER...MOVING EAST-NORTHEAST AT 25 MPH.
LOCATIONS IN THE PATH OF THE STORM WHICH MAY EXPERIENCE STRONG WINDS
AND SMALL HAIL INCLUDE FOUR SEASONS ESTATES...LAKEWOOD PARK...QUEENS
COVE AND SAINT LUCIE AIRPORT.
THE PRIMARY THREAT WILL BE OCCASIONAL CLOUD TO GROUND LIGHTNING
STRIKES AND GUSTY WINDS OF 35 TO 45 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 2722 8053 2721 8068 2718 8068 2716 8073
2733 8105 2736 8104 2739 8112 2746 8117
2765 8093 2764 8087 2769 8086 2796 8051
2783 8042 2784 8042 2768 8035 2769 8035
2762 8034 2749 8029
TIME...MOT...LOC 1441Z 269DEG 37KT 2785 8039 2727 8099
SEDLOCKThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 9, 9:11 PM EST | Special Weather Statement | MLB | Lake, Volusia | 64 min |
| Mar 9, 9:18 PM EST | Special Marine Warning | MLB | 117 min | |
| Mar 9, 10:16 PM EST | Special Weather Statement | MLB | Lake, Orange, Seminole, Volusia | 59 min |
| Mar 9, 11:25 PM EST | Special Weather Statement | MLB | Brevard | 65 min |
| Mar 10, 3:29 AM EST | Fire Weather Watch | MLB | Lake, Okeechobee, Orange, Osceola, Seminole, Volusia | 24 hr |
| Mar 10, 9:03 AM EST | Special Weather Statement | MLB | Okeechobee | 42 min |
| Mar 10, 10:20 AM EST | Special Weather Statement | MLB | Indian River, Martin, Saint Lucie | 40 min |
| Mar 10, 10:56 AM EST | Special Marine Warning | MLB | 2 hr | |
| Mar 10, 11:03 AM EST | Special Weather Statement | MLB | Martin, Saint Lucie | 42 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.