Alert archive / Florida / Special Weather Statements in 2011
Special Weather Statement, NWS Melbourne, FL
NWS Melbourne, FL issued this special weather statement at Jul 22, 2011, 2:34 PM EDT for Lake County, Florida. It was in force for 41 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 22, 2011, 2:34 PM EDT (18:34 UTC)
- Expired
- Jul 22, 2011, 3:15 PM EDT
- In force
- 41 min
- Issued by
- NWS Melbourne, FL
County Lake County, FL
The radar
The Melbourne radar (KMLB), 125 km from the middle of the area, began a volume at 18:34 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, 6.6 hours before the alert went out and 124 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
- 567 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 1137 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 21 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 22, 2:20 PM EDT, 14 minutes earlier.
Area forecast discussion, Jul 22, 2:20 PM EDT, 14 minutes before
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</html>Hazardous weather outlook, Jul 22, 10:42 AM EDT, 3 hours 52 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MELBOURNE FL 1042 AM EDT FRI JUL 22 2011 AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141- 144-147-222100- 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- 1042 AM EDT FRI JUL 22 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA. .DAY ONE...THIS AFTERNOON AND TONIGHT. .THUNDERSTORM IMPACT... MOISTURE CONTINUES TO GRADUALLY INCREASE IN EAST CENTRAL FLORIDA. A FEW SHOWERS AND STORMS WILL DEVELOP ALONG THE EAST COAST SEA BREEZE INTO THE EARLY AFTERNOON. STORM COVERAGE WILL INCREASE THROUGH THE LATE AFTERNOON AS SEA BREEZES AND STORM OUTFLOWS DRIFT INLAND FROM BOTH COASTS AND COLLIDE OVER THE INTERIOR...ESPECIALLY NORTH AND WEST OF INTERSTATE 4...INCLUDING METRO ORLANDO AND LAKE COUNTY. THE STORMS WILL PERSIST THROUGH SUNSET THEN BEGIN TO DIMINISH. STORMS TODAY WILL MOVE TOWARD THE NORTH-NORTHWEST AT 5 TO 10 MPH. THE PRIMARY THREAT FROM STORMS WILL BE CLOUD TO GROUND LIGHTNING STRIKES. A FEW STRONGER STORMS MAY PRODUCE FREQUENT LIGHTNING... STRONG WIND GUSTS OF 45 MPH...TORRENTIAL DOWNPOURS AND SMALL HAIL. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. ISOLATED TO SCATTERED LIGHTNING STORMS ARE EXPECTED EACH AFTERNOON. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY. SEDLOCK/GLITTO
In the hours before
Special weather statement, Jul 22, 2:34 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
234 PM EDT FRI JUL 22 2011
FLZ044-144-221915-
NORTHERN LAKE COUNTY-SOUTHERN LAKE COUNTY-
234 PM EDT FRI JUL 22 2011
...A SIGNIFICANT WEATHER ADVISORY IS IN EFFECT FOR STRONG WIND GUSTS
BETWEEN 45 AND 55 MPH AND SMALL HAIL OVER LAKE COUNTY...
* UNTIL 315 PM EDT.
AT 233 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STORM CAPABLE OF PRODUCING STRONG WINDS AND SMALL HAIL OVER LAKE
LOUISA...MOVING NORTHWEST NEAR 10 MPH.
LOCATIONS IN THE PATH OF THE STORM WHICH MAY EXPERIENCE STRONG WINDS
AND SMALL HAIL INCLUDE CLERMONT AND AND POINTS NORTHWARD NEAR THE
TURNPIKE.
THE PRIMARY THREAT WILL BE CLOUD TO GROUND LIGHTNING STRIKES AND
GUSTY WINDS OF 45 TO 55 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.
LAT...LON 2896 8196 2896 8166 2878 8165 2878 8166
2859 8166 2857 8165 2856 8166 2844 8166
2839 8196
TIME...MOT...LOC 1833Z 151DEG 12KT 2852 8175
52The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 3:11 PM EDT | Special Weather Statement | MLB | Seminole | 49 min |
| Jul 22, 3:21 PM EDT | Special Weather Statement | MLB | Orange | 39 min |
| Jul 22, 3:27 PM EDT | Severe Thunderstorm Warning | MLB | Osceola | 23 min |
| Jul 22, 4:03 PM EDT | Special Weather Statement | MLB | Volusia | 42 min |
| Jul 22, 4:26 PM EDT | Special Weather Statement | MLB | Okeechobee | 49 min |
| Jul 22, 4:35 PM EDT | Special Weather Statement | MLB | Lake, Orange, Osceola, Seminole | 55 min |
| Jul 22, 4:49 PM EDT | Areal Flood Advisory | MLB | Lake, Volusia | 86 min |
| Jul 22, 5:07 PM EDT | Areal Flood Advisory | MLB | Orange, Osceola | 83 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.