Alert archive / Florida / Special Weather Statements in 2013
Special Weather Statement, NWS Melbourne, FL
NWS Melbourne, FL issued this special weather statement at Jul 24, 2013, 12:39 PM EDT for Lake County, Florida. It was in force for 51 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
- Jul 24, 2013, 12:39 PM EDT (16:39 UTC)
- Expired
- Jul 24, 2013, 1:30 PM EDT
- In force
- 51 min
- Issued by
- NWS Melbourne, FL
County Lake County, FL
The radar
The Melbourne radar (KMLB), 115 km from the middle of the area, began a volume at 16:38 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 12:00Z, 4.7 hours before the alert went out and 111 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
- 1363 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 44 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 Jul 24, 9:24 AM EDT, 3 hours 15 minutes earlier.
Area forecast discussion, Jul 24, 9:24 AM EDT, 3 hours 15 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MELBOURNE FL 924 AM EDT WED JUL 24 2013 .DISCUSSION... CURRENT-TONIGHT...TROUGHING ALONG THE EAST U.S. COAST KEEPING SURFACE RIDGING SUPPRESSED SOUTH AND EAST OF THE AREA. SCATTERED SHOWERS AGAIN THIS MORNING ACROSS THE I-4 CORRIDOR WITH SOME EMBEDDED THUNDER FURTHER WEST ACROSS WEST CENTRAL FLORIDA. DEEP AND STRONGER OFFSHORE FLOW SHOULD KEEP THE EAST COAST SEA BREEZE FROM DEVELOPING. THE WEST COAST SEA BREEZE SHOULD DEVELOP AND MOVE INTO CENTRAL FLORIDA THIS AFTERNOON WITH CHANCES OF SHOWERS AND STORMS. THE KXMR AND KTBW SOUNDINGS ARE RELATIVELY WARM AT AROUND -5.8C. SUFFICIENT MOISTURE...AMPLE SURFACE HEATING...SHORTWAVE ENERGY ALOFT AND A FEW BOUNDARIES WILL STILL BE ABLE TO PRODUCE ADDITIONAL CONVECTION THIS AFTERNOON. GREATEST CHANCES AROUND 50 PERCENT WILL BE NORTH OF A KISSIMMEE-TITUSVILLE LINE. FURTHER SOUTH CHANCES DROP OFF TO BETWEEN 30 AND 40 PERCENT. STRONGER CELLS WILL BE CAPABLE OF FREQUENT LIGHTNING...TORRENTIAL DOWNPOURS AND WIND GUSTS LOCALLY 40 TO 50 MPH. MOVEMENT SHOULD BE TOWARDS THE SOUTHEAST AT AROUND 15 MPH. WRLY WINDS AND NO SEABREEZE WILL GENERATE MAX TEMPS IN THE L90S OVER THE COASTAL COUNTIES...NEAR 90F OVER THE INTERIOR. LIGHT WRLY FLOW OVERNIGHT WILL PREVENT DECOUPLING...KEEPING MIN TEMPS IN THE M70S. && .AVIATION...EARLY DEVELOPMENT OF SHRA/TSRA AGAIN OVER WEST CENTRAL FL DUE TO SHORTWAVE ENERGY ALOFT. TAF SITES NEAR AND NORTH OF I-4 WILL AGAIN GET AN EARLY SHOT AT CONVECTION PAST MID MORNING INTO EARLY AFTERNOON. SCT SHOWERS AND STORMS THIS AFTERNOON WILL PRODUCE BRIEF MVFR AND ISOLD IFR CONDS. SFC WND GUSTS IN EXCESS OF 35 KTS POSSIBLE. TORRENTIAL DOWNPOURS AND FREQUENT LIGHTNING WILL ALSO BE THREATS. BECMG VFR AREAWIDE AGAIN AFT AROUND 03Z. && .MARINE...TODAY-TONIGHT...SURFACE RIDGE AXIS REMAINS SUPPRESSED SOUTH OF THE LOCAL COASTAL WATERS. DEEP OFFSHORE FLOW SHOULD NOT ALLOW FOR EAST COAST SEA BREEZE FORMATION. WSW/SW WINDS INCREASING TO AROUND 15 KTS AWAY FROM THE COAST. SCATTERED OFFSHORE MOVING STORMS AGAIN THIS AFTERNOON. A FEW SHOWERS MAY MOVE OFF OF THE VOLUSIA AND NORTH BREVARD COASTS LATE THIS MORNING. SEAS 1-2 FT NEAR SHORE AND 2-4 FT OFFSHORE. && .MLB WATCHES/WARNINGS/ADVISORIES... FL...NONE. AM...NONE. && SEDLOCK
Hazardous weather outlook, Jul 24, 11:45 AM EDT, 54 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MELBOURNE FL 1145 AM EDT WED JUL 24 2013 AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141- 144-147-242115- 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- 1145 AM EDT WED JUL 24 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA. .DAY ONE...THIS AFTERNOON AND TONIGHT. .THUNDERSTORM IMPACT... A MID LEVEL DISTURBANCE IS PUSHING ACROSS NORTH FLORIDA TODAY... SPARKING SCATTERED LIGHTNING STORMS ACROSS EAST CENTRAL FLORIDA. BRISK WESTERLY WINDS WILL PUSH THE STORMS EAST TO SOUTHEAST AROUND 20 MPH. WHILE THE OFFSHORE FLOW WILL BE STRONG ENOUGH TO PREVENT THE EAST COAST SEA BREEZE FROM FORMING...THE DISTURBANCE COMBINED WITH SURFACE HEATING WILL PROVIDE SUFFICIENT INSTABILITY FOR SOME STORMS TO BECOME STRONG. THE MAIN THREAT FROM THE STORMS WILL BE DANGEROUS CLOUD TO GROUND LIGHTNING WITH WIND GUSTS UP TO 50 MPH POSSIBLE. .RIP CURRENT IMPACT... A SMALL LONG PERIOD EAST SWELL WILL COMBINE WITH A HIGH ASTRONOMICAL TIDE TO PRODUCE A LOW TO MODERATE RISK FOR RIP CURRENTS AT THE BEACHES OF EAST CENTRAL FLORIDA TODAY. ALWAYS SWIM WITHIN SIGHT OF A LIFEGUARD. .MARINE THUNDERSTORM GUST IMPACT... SCATTERED STORMS WILL DEVELOP ACROSS THE AREA THIS AFTERNOON...MOVING EAST TO SOUTHEAST AT 15 TO 20 KNOTS. SOME STORMS WILL BE CAPABLE OF PRODUCING GUSTS UP TO 45 KNOTS ACROSS INLAND LAKES AS WELL AS THE INTRACOASTAL AND NEARSHORE WATERS AS THEY MOVE OFFSHORE. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. SCATTERED AFTERNOON AND EVENING LIGHTNING STORMS WILL OCCUR OVER CENTRAL FLORIDA THROUGH THE UPCOMING WEEKEND. HIGH PRESSURE WILL REBUILD NORTH BY EARLY NEXT WEEK AND WILL FOCUS STORMS INLAND WITH A REDUCTION IN OVERALL COVERAGE. WESTERLY STEERING WINDS WILL KEEP AN ELEVATED THREAT FOR OFFSHORE MOVING THUNDERSTORMS THROUGH AROUND SATURDAY. THE PRIMARY THREATS WILL BE FREQUENT LIGHTNING STRIKES...GUSTY WINDS AND HEAVY DOWNPOURS. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE REQUESTED TO MONITOR THE WEATHER AND SELF ACTIVATE IF NEEDED. BRAGAW/KELLY
In the hours before
Local storm report, Jul 24, 12:37 PM EDT, 2 minutes before
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</html>Special weather statement, Jul 24, 12:39 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
1239 PM EDT WED JUL 24 2013
FLZ044-045-144-241730-
NORTHERN LAKE COUNTY-ORANGE-SOUTHERN LAKE COUNTY-
1239 PM EDT WED JUL 24 2013
...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
OVER CENTRAL LAKE COUNTY...NORTHWESTERN ORANGE COUNTY...
* UNTIL 130 PM EDT.
AT 1237 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STORM CAPABLE OF PRODUCING STRONG WIND GUSTS OVER HOWEY IN THE
HILLS...MOVING SOUTHEAST AT 30 MPH.
OTHER LOCATIONS WHICH MAY EXPERIENCE STRONG WIND GUSTS
INCLUDE...LAKE APOPKA...MOUNT DORA...APOPKA...ZELLWOOD.
THE PRIMARY THREAT WILL BE CLOUD TO GROUND LIGHTNING STRIKES AND
GUSTY WINDS UP TO 50 MPH...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 2886 8178 2885 8142 2872 8145 2871 8146
2867 8146 2850 8149 2871 8191
TIME...MOT...LOC 1638Z 308DEG 26KT 2872 8176
KELLYThe office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 12:27 PM EDT | Special Marine Warning | MLB | 63 min | |
| Jul 24, 12:49 PM EDT | Special Weather Statement | MLB | Brevard | 41 min |
| Jul 24, 12:53 PM EDT | Special Weather Statement | MLB | Seminole | 37 min |
| Jul 24, 1:11 PM EDT | Special Weather Statement | MLB | Seminole | 49 min |
| Jul 24, 1:21 PM EDT | Special Weather Statement | MLB | Brevard | 39 min |
| Jul 24, 1:28 PM EDT | Special Marine Warning | MLB | 62 min | |
| Jul 24, 1:36 PM EDT | Special Weather Statement | MLB | Osceola | 39 min |
| Jul 24, 2:12 PM EDT | Special Weather Statement | MLB | Osceola | 48 min |
| Jul 24, 2:31 PM EDT | Severe Thunderstorm Warning | MLB | Brevard, Osceola | 59 min |
| Jul 24, 2:38 PM EDT | Special Marine Warning | MLB | 52 min | |
| Jul 24, 2:50 PM EDT | Special Marine Warning | MLB | 85 min | |
| Jul 24, 3:06 PM EDT | Special Weather Statement | MLB | Indian River | 54 min |
Nearby
Special Weather Statements in Florida, 2013Every special weather statement in 2013
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.