Alert archive / Florida / Lake Wind Advisories in 2011

Lake Wind Advisory 1, NWS Tampa Bay, FL

January 25, 20116 counties in Florida

NWS Tampa Bay, FL issued this lake wind advisory at Jan 25, 2011, 9:33 AM EST for 6 counties in Florida. It took effect at Jan 25, 2011, 10:00 AM EST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Jan 25, 2011, 9:33 AM EST (14:33 UTC)
In effect from
Jan 25, 2011, 10:00 AM EST
Expired
Jan 25, 2011, 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 14:33 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 12:00Z, 2.6 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 12:00Z on 2011-01-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5 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 12:00Z on 2011-01-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 368 square meters per square second.1939587897Sfc1 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
5 J/kg
Mixed-layer CIN
-221 J/kg
Mixed-layer LCL
717 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
368 m²/s²
0-3 km storm-relative helicity
493 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

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 Jan 25, 9:26 AM EST, 7 minutes earlier.

Area forecast discussion, Jan 25, 9:26 AM EST, 7 minutes before
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Hazardous weather outlook, Jan 25, 5:10 AM EST, 4 hours 23 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
510 AM EST TUE JAN 25 2011

FLZ039-042-043-048>052-055>057-060>062-065-252215-
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK-
MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE-
510 AM EST TUE JAN 25 2011

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

.DAY ONE...TODAY AND TONIGHT.

...THUNDERSTORM IMPACT...
THERE WILL BE A SLIGHT RISK OF SEVERE THUNDERSTORMS LATER TODAY
AND OVERNIGHT AS A LOW PRESSURE CENTER TRACKS ALONG THE GULF COAST
AND THEN ACROSS NORTH FLORIDA TONIGHT...WITH A COLD FRONT SWEEPING
INTO THE EAST GULF AND THEN CROSSING THE STATE. THE PRIMARY
THREATS WILL BE DAMAGING WINDS AND TORNADOES. THE TIME OF GREATEST
THREAT WILL BE LATER THIS AFTERNOON BUT...AS A SQUALL LINE IS
EXPECTED FORM THE IN THE EAST GULF AHEAD OF THE FRONT...WILL
LIKELY CONTINUE INTO THE EVENING HOURS. IN ADDITION THESE STORMS
WILL BE ACCOMPANIED BY WIDESPREAD RAIN RESULTING IN LOCALIZED
FLOODING. STORMS WILL BE ENDING LATE TONIGHT OR EARLY WEDNESDAY
MORNING.

...RIP CURRENT IMPACT...
A HIGH SURF ADVISORY IN EFFECT THIS AFTERNOON ALONG WITH A HIGH
RISK OF RIP CURRENTS FROM PINELLAS COUNTY SOUTHWARD TO LEE COUNTY.
SOUTHERLY WINDS AROUND 20 KNOTS ON THE GULF WILL PRODUCE SURF UP
TO 5 TO 6 FEET THIS AFTERNOON WITH DANGEROUSLY STRONG RIP CURRENTS
ALONG THE COAST.

A RIP CURRENT IS A 10 TO 30 YARD WIDE CHANNEL OF WATER THAT CAN
PULL EVEN A STRONG SWIMMER INTO DEEPER WATER.

 TO AVOID GETTING CAUGHT IN A RIP CURRENT...SWIM AT GUARDED
BEACHES AND HEED THE ADVICE OF THE BEACH PATROL.  AT UNGUARDED
BEACHES AND NEAR PIERS...JETTIES...AND INLETS...DO NOT GO INTO THE
SURF MUCH ABOVE YOUR KNEES.

...WIND AND SEA IMPACT...
A SMALL CRAFT ADVISORY WILL BE EFFECT FOR SOUTH WINDS AROUND 20
KNOTS TODAY THAT SHIFT TO THE SOUTHWEST AND WEST AT 20 TO 25
KNOTS...WITH SEAS UP TO 7 FEET... TONIGHT AS LOW PRESSURE MOVES BY
TO THE NORTH.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

...WIND AND SEA IMPACT...
A SMALL CRAFT ADVISORY CONTINUES THROUGH WEDNESDAY NIGHT FOR
NORTHWEST AND NORTH WINDS OF 20 TO 25 KNOTS AND SEAS AS HIGH AS
7 TO 8 FEET.

...RIP CURRENT IMPACT...
A HIGH SURF ADVISORY ALONG WITH A HIGH RISK OF RIP CURRENTS FROM
PINELLAS COUNTY SOUTHWARD TO LEE COUNTY WILL CONTINUE THROUGH
WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS SHOULD MONITOR THE WEATHER AND SELF ACTIVATE IF NEEDED.

09/RKR

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 25, 4:16 AM ESTSmall Craft AdvisoryTBW39 hr
Jan 25, 4:34 AM ESTHigh Surf AdvisoryTBWPinellas19 hr
Jan 25, 1:48 PM ESTSpecial Marine WarningTBW57 min
Jan 25, 2:41 PM ESTSpecial Marine WarningTBW64 min
Jan 25, 2:57 PM ESTSpecial Weather StatementTBWCitrus, Levy63 min
Jan 25, 3:37 PM ESTSevere Thunderstorm WarningTBWCitrus, Hernando, Pasco53 min
Jan 25, 3:43 PM ESTSpecial Marine WarningTBW62 min
Jan 25, 3:55 PM ESTTornado WarningTBWCitrus39 min
Jan 25, 4:00 PM ESTTornado WarningTBWHernando, Pasco45 min
Jan 25, 4:24 PM ESTSpecial Marine WarningTBW96 min
Jan 25, 4:30 PM ESTSevere Thunderstorm WarningTBWCitrus, Hernando, Pasco, Sumter60 min
Jan 25, 4:31 PM ESTSpecial Weather StatementTBWHillsborough, Pinellas59 min
Jan 25, 4:45 PM ESTTornado WarningTBWHernando, Pasco, Sumter30 min
Jan 25, 5:00 PM ESTSevere Thunderstorm WarningTBWHillsborough, Manatee, Pinellas, Sarasota60 min
Jan 25, 5:05 PM ESTSpecial Marine WarningTBW115 min
Jan 25, 5:09 PM ESTTornado WarningTBWHillsborough, Pinellas36 min
Jan 25, 5:29 PM ESTSpecial Weather StatementTBWHillsborough, Manatee, Sarasota61 min
Jan 25, 5:44 PM ESTAreal Flood AdvisoryTBWHillsborough, Pinellas91 min
Jan 25, 5:45 PM ESTTornado WarningTBWHighlands, Polk30 min
Jan 25, 5:49 PM ESTTornado WarningTBWHillsborough26 min
Jan 25, 5:55 PM ESTAreal Flood AdvisoryTBWManatee2 hr
Jan 25, 5:58 PM ESTTornado WarningTBWPolk32 min
Jan 25, 6:00 PM ESTTornado WarningTBWManatee, Sarasota30 min
Jan 25, 6:01 PM ESTTornado WarningTBWHardee, Hillsborough, Manatee, Polk29 min
Jan 25, 6:30 PM ESTTornado WarningTBWDeSoto, Hardee, Manatee, Sarasota30 min
Jan 25, 6:35 PM ESTTornado WarningTBWCharlotte, DeSoto, Sarasota40 min
Jan 25, 6:54 PM ESTSevere Thunderstorm WarningTBWHardee, Highlands, Polk36 min

Nearby

Lake Wind Advisories in Florida, 2011Every 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; radar from the NEXRAD Level II archive.