Alert archive / Georgia / Lake Wind Advisories in 2011

Lake Wind Advisory 49, NWS Jacksonville, FL

December 27, 20117 counties in Florida; 12 counties in Georgia

NWS Jacksonville, FL issued this lake wind advisory at Dec 27, 2011, 2:22 AM EST for 7 counties in Florida; 12 counties in Georgia. It took effect at Dec 27, 2011, 9:00 AM EST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Dec 27, 2011, 2:22 AM EST (07:22 UTC)
In effect from: Dec 27, 2011, 9:00 AM EST
Expired: Dec 27, 2011, 5:00 PM EST
In force: 8 hr
Issued by: NWS Jacksonville, FL

Counties Baker County, FL, Bradford County, FL, Flagler County, FL, Gilchrist County, FL, Nassau County, FL, Suwannee County, FL, Union County, FL, Appling County, GA, Atkinson County, GA, Bacon County, GA, Brantley County, GA, Camden County, GA, Clinch County, GA, Coffee County, GA, Echols County, GA, Glynn County, GA, Jeff Davis County, GA, Pierce County, GA, Wayne County, GA

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 7.4 hours before the alert went out and 315 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1863 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: -17 m²/s²
0-3 km storm-relative helicity: 31 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 Jacksonville, FL wrote its last area forecast discussion before this lake wind advisory went out at Dec 26, 9:16 PM EST, 5 hours 6 minutes earlier.

Area forecast discussion, Dec 26, 9:16 PM EST, 5 hours 6 minutes before

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Hazardous weather outlook, Dec 26, 3:00 PM EST, 11 hours 22 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE JACKSONVILLE FL
300 PM EST MON DEC 26 2011

FLZ020>025-030>033-035>038-040-GAZ132>136-149>154-162>166-271100-
ALACHUA-APPLING-ATKINSON-BACON-BAKER-BRADFORD-BRANTLEY-
CAMDEN (COASTAL)-CAMDEN (INLAND)-CHARLTON-CLAY-CLINCH-COFFEE-
COLUMBIA-DUVAL-ECHOLS-FLAGLER-GILCHRIST-GLYNN (COASTAL)-
GLYNN (INLAND)-HAMILTON-JEFF DAVIS-MARION-NASSAU-PIERCE-PUTNAM-
ST JOHNS-SUWANNEE-UNION-WARE-WAYNE-
300 PM EST MON DEC 26 2011

THIS OUTLOOK IS FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA.

...MODERATE RISK OF RIP CURRENTS TODAY...

.DAY ONE...TODAY AND TONIGHT...

ONSHORE FLOW AND LINGERING EAST SWELLS WILL CREATE AN ELEVATED
RISK OF RIP CURRENTS ALONG THE COAST. PLEASE REFER TO THE SURF
ZONE FORECAST FOR MORE DETAILS.

PATCHY FOG WILL BE POSSIBLE TONIGHT AS A WARM FRONT MOVES NORTHWARD
ACROSS THE AREA. VISIBILITIES MAY RANGE FROM 1 TO 3 MILES.

A FEW THUNDERSTORMS WILL BE POSSIBLE AFTER MIDNIGHT WITH THE BEST
CHANCES FROM STATENVILLE TO HAZELHURST WESTWARD.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...

...SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PARTS OF SOUTHEAST
GEORGIA ON TUESDAY...

THUNDERSTORMS WILL BE POSSIBLE TUESDAY AHEAD OF A COLD FRONT. A FEW
STORMS COULD BE STRONG OR SEVERE MAINLY ACROSS SOUTHEAST GEORGIA
TUESDAY MORNING TO EARLY AFTERNOON WITH GUSTY WINDS THE MAIN
CONCERN.

A MODERATE RISK OF RIP CURRENTS IS EXPECTED ON TUESDAY.

AREAS OF FROST WILL BE POSSIBLE THURSDAY MORNING AND FRIDAY
MORNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT REQUESTED AT THIS TIME.

FOR ADDITIONAL INFORMATION...VISIT THE NATIONAL WEATHER SERVICE
IN JACKSONVILLE WEBSITE ON THE INTERNET AT WEATHER.GOV/JAX.

ENYEDI/SHASHY

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 27, 3:40 AM EST	Gale Warning	JAX		24 hr

Nearby

Lake Wind Advisories in Georgia, 2011 Lake Wind Advisories in Florida, 2011 Every lake wind advisory 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.