Alert archive / Florida / Lake Wind Advisories in 2012

Lake Wind Advisory 18, NWS Tampa Bay, FL

December 26, 20126 counties in Florida

NWS Tampa Bay, FL issued this lake wind advisory at Dec 26, 2012, 4:37 AM EST for 6 counties in Florida. It took effect at Dec 26, 2012, 10:00 AM EST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Dec 26, 2012, 4:37 AM EST (09:37 UTC)
In effect from
Dec 26, 2012, 10:00 AM EST
Expired
Dec 26, 2012, 6:00 PM EST
In force
8 hr
Issued by
NWS Tampa Bay, FL

Counties DeSoto County, FL, Hardee County, FL, Highlands County, FL, Pinellas County, FL, Polk County, FL, Sumter County, FL

The radar

The Tampa radar (KTBW), 49 km from the middle of the area, began a volume at 09:37 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

Tampa Bay, FL (KTBW), launched 00:00Z, 9.6 hours before the alert went out and 49 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-pSkew-T log-p diagram, Tampa Bay, FL at 00:00Z on 2012-12-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 00:00Z on 2012-12-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
7 J/kg
Mixed-layer CIN
-437 J/kg
Mixed-layer LCL
1284 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
261 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this lake wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tampa Bay, FL wrote its last area forecast discussion before this lake wind advisory went out at Dec 26, 4:23 AM EST, 14 minutes earlier.

Area forecast discussion, Dec 26, 4:23 AM EST, 14 minutes before
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Hazardous weather outlook, Dec 26, 4:26 AM EST, 11 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
426 AM EST WED DEC 26 2012

FLZ039-042-043-048>052-055>057-060>062-065-GMZ830-850-853-856-870-
873-876-270000-
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK-
MANATEE-HARDEE-HIGHLANDS-SARASOTA-DESOTO-CHARLOTTE-LEE-
TAMPA BAY WATERS-TARPON SPRINGS TO SUWANNEE RIVER OUT 20 NM-
ENGLEWOOD TO TARPON SPRINGS OUT 20 NM-
BONITA BEACH TO ENGLEWOOD OUT 20 NM-
TARPON SPRINGS TO SUWANNEE RIVER OUT 20 TO 60 NM-
ENGLEWOOD TO TARPON SPRINGS OUT 20 TO 60 NM-
BONITA BEACH TO ENGLEWOOD OUT 20 TO 60 NM-
426 AM EST WED DEC 26 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST
FLORIDA.

.DAY ONE...TODAY AND TONIGHT.

...THUNDERSTORM IMPACT...
A NARROW BAND OF SHOWERS AND STORMS WILL CROSS THE FORECAST AREA
TODAY. A FEW OF THE STORMS WILL BE CAPABLE OF PRODUCING ISOLATED
DAMAGING WIND GUSTS DURING THE MORNING HOURS...ESPECIALLY TO THE
NORTH OF TAMPA BAY. THE THREAT FOR ISOLATED SEVERE STORMS LOOKS TO
DIMINISH INTO THE AFTERNOON HOURS.

...WIND AND SEA IMPACT...
ADVISORY LEVEL WINDS AND SEAS ARE EXPECTED OVER THE FORECAST
WATERS OF THE EASTERN GULF OF MEXICO THROUGH WEDNESDAY EVENING.
WINDS AND SEAS WILL GRADUALLY DIMINISH LATE TONIGHT INTO THURSDAY
MORNING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

...THUNDERSTORM IMPACT...
A ROUND OF SHOWERS AND THUNDERSTORMS WILL ACCOMPANY A COLD FRONTAL
PASSAGE ON SATURDAY. A FEW STORMS MAY BE ON THE STRONG
SIDE...HOWEVER WIDESPREAD SEVERE WEATHER IS CURRENTLY NOT
ANTICIPATED.

...WIND AND SEA IMPACT...
A PERIOD OF CAUTIONARY TO ADVISORY LEVEL WINDS AND SEAS IS
EXPECTED OVER THE EASTERN GULF OF MEXICO SATURDAY NIGHT THROUGH
SUNDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE REQUIRED TODAY...HOWEVER ANY
REPORTS OF SEVERE WEATHER ASSOCIATED WITH THE STORMS TODAY WOULD
BE GREATLY APPRECIATED.

MROCZKA

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 26, 5:50 AM ESTBeach Hazards StatementTBWPinellas37 hr
Dec 26, 9:37 AM ESTSpecial Weather StatementTBWLevy8 min
Dec 26, 11:13 AM ESTSpecial Marine WarningTBW32 min
Dec 26, 11:45 AM ESTSpecial Marine WarningTBW45 min
Dec 26, 3:05 PM ESTHigh Surf AdvisoryTBWPinellas16 hr

Nearby

Lake Wind Advisories in Florida, 2012Every lake wind advisory in 2012

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.