Alert archive / Florida / Special Weather Statements in 2015
Special Weather Statement, NWS Melbourne, FL
NWS Melbourne, FL issued this special weather statement at Jun 24, 2015, 7:40 PM EDT for Volusia County, Florida. It was in force for 50 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 24, 2015, 7:40 PM EDT (23:40 UTC)
- Expired
- Jun 24, 2015, 8:30 PM EDT
- In force
- 50 min
- Issued by
- NWS Melbourne, FL
County Volusia County, FL
The radar
The Melbourne radar (KMLB), 119 km from the middle of the area, began a volume at 23:40 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, 11.7 hours before the alert went out and 90 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
- 241 J/kg
- Mixed-layer CIN
- -81 J/kg
- Mixed-layer LCL
- 1195 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 16 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 Jun 24, 4:04 PM EDT, 3 hours 36 minutes earlier.
Area forecast discussion, Jun 24, 4:04 PM EDT, 3 hours 36 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MELBOURNE FL 404 PM EDT WED JUN 24 2015 .DISCUSSION... TONIGHT...SFC RIDGE AXIS REMAINS STRETCHED E-W ACROSS THE CENTRAL PNSLA THIS AFTERNOON PROMOTING A PREVAILING FLOW SE-S SOUTH OF THE AXIS AND S-SW NORTH OF THE AXIS. FLOW RELATIVELY WEAK SO LATE AFTERNOON AND EVENING CONVECTION WILL TEND TO COLLECT INLAND SOUTH OF ORLANDO AND COCOA...AND OVER THE INTERIOR BACK TOWARD THE COAST NORTH OF THERE ALONG AND NORTH OF I-4. MOVEMENT WILL BE SLOW DUE TO A RELAXED STEERING FLOW RELYING LARGELY ON PROPAGATION AND THE THERMAL CIRCULATION DRIVING THE SEA/LAKE BREEZES. A MARGINAL RISK OF STRONG/SEVERE STORMS REMAINS NORTH OF A TAMPA TO CAPE CANAVERAL LINE. STORMS WILL LINGER MOST IN THE ALREADY IDENTIFIED AREAS AND GRADUALLY DIMINISH WITH THE SETTING SUN. THE TREASURE COAST WILL BE LARGELY SPARED OF EVENING ACTIVITY BUT WITH A CHANCE OF A FEW COASTAL SHOWERS AFTER MIDNIGHT. .THU-FRI...SFC RIDGE AXIS WILL RECEIVE SOME INITIAL SOUTWARD BUMPING BY LOW-LEVEL TROUGHINESS TO ITS NORTH TO BEGIN AN ADJUSTMENT TO THE LOCAL FLOW PATTERN. THIS WILL BE FURTHER SUPPORTED BY A MODEST BREAK DOWN IN UPPER RIDGING. AMPLE PWATS WILL MAINTAIN ENHANCED POPS FOR MOST LOCATIONS EXCEPT FOR TREASURE COAST. MAV POP GUIDANCE SHOWS SIGNIFICANT GRADIENT NORTH (MORE WET) TO SOUTH (LESS WET) FOR THIS PERIOD. A DAMPENED VERSION OF THIS SENTIMENT IS REFLECTED IN THE FORECAST PACKAGE. HIGHS IN THE LOW 90S AND LOWS IN THE 70S. .SAT-TUE...SFC RIDGE WILL BE FULLY SHUNTED SOUTHWARD AS A FRONTAL TROUGH MOVES INTO DIXIE. CENTRAL FL WILL BECOME AWASH IN SW FLOW AND FOCUS CONVECTION TOWARD THE EASTERN HALF OF THE PNSLA FOR THE WEEKEND. TEMPS LIKELY TO BE A DEGREE OR TWO WARMER...ESP CLOSER TO THE COAST...DUE TO THE OFFSHORE WINDS. BY EARLY NEXT WEEK THE FRONTAL TROUGH SAGS BUT WEAKENS AND MID-LEVEL TROUGHING IS REPLACED WITH INCREASING HEIGHTS OVER THE STATE. THIS SHOULD DIAL BACK THE CONVECTIVE CLUSTERING AND ALLOW THE LOCAL BREEZES TO ACQUIRE A LITTLE BETTER INLAND PENETRATION. HIGHS IN THE LOW-MID 90S AND LOWS IN THE 70S. && .AVIATION...GENERAL TEMPO 2420/2424 3SM TSRA BKN020CB FOR SITES KMCO/KISM NORTHWARD BECOMING VFR BUT WITH CEILINGS AOB BKN100-120. && .MARINE... THU-SUN...(FROM PREVIOUS) THE ATLC RIDGE AXIS WILL BEGIN TO SHIFT SOUTH AND BE LOCATED ACROSS SOUTH FL BY THIS WEEKEND RESULTING IN INCREASED W/SW FLOW AROUND 15 KNOTS. THERE WILL BE AN INCREASED CHANCE FOR OFFSHORE MOVING STORMS...ESP CAPE NORTHWARD THROUGH THE PERIOD. SEAS BUILDING TO 3-5FT WELL OFFSHORE SAT-SUN REMAINING 2-3 FT NEARSHORE. && .PRELIMINARY POINT TEMPS/POPS... DAB 75 90 75 90 / 40 50 40 40 MCO 74 93 74 93 / 40 50 30 50 MLB 74 91 75 91 / 30 30 20 50 VRB 74 91 74 92 / 20 20 20 40 LEE 77 92 77 92 / 30 50 30 50 SFB 76 92 76 92 / 40 50 30 50 ORL 76 92 76 93 / 40 50 30 50 FPR 73 92 72 92 / 20 20 20 40 && .MLB WATCHES/WARNINGS/ADVISORIES... FL...NONE. AM...NONE. && IMPACT WX/AVIATION...TS FORECAST GRIDS.......DS
Hazardous weather outlook, Jun 24, 11:00 AM EDT, 8 hours 40 minutes before
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</html>In the hours before
Special weather statement, Jun 24, 4:54 PM EDT, 2 hours 46 minutes before
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</html>Special weather statement, Jun 24, 6:36 PM EDT, 1 hour 4 minutes before
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</html>Local storm report, Jun 24, 6:50 PM EDT, 50 minutes before
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</html>Special weather statement, Jun 24, 7:40 PM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 8:15 PM EDT | Areal Flood Advisory | MLB | Osceola | 90 min |
| Jun 24, 4:54 PM EDT | Special Weather Statement | MLB | Brevard | 36 min |
| Jun 24, 5:31 PM EDT | Special Weather Statement | MLB | Orange | 44 min |
| Jun 24, 6:14 PM EDT | Special Weather Statement | MLB | Volusia | 61 min |
| Jun 24, 6:36 PM EDT | Special Weather Statement | MLB | Orange, Seminole | 54 min |
| Jun 24, 7:13 PM EDT | Severe Thunderstorm Warning | MLB | Seminole, Volusia | 39 min |
Nearby
Special Weather Statements in Florida, 2015Every special weather statement in 2015
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.