Alert archive / Florida / High Surf Advisories in 2008

High Surf Advisory 7, NWS Tampa Bay, FL

August 22, 2008Pinellas County, Florida

NWS Tampa Bay, FL issued this high surf advisory at Aug 22, 2008, 5:06 AM EDT for Pinellas County, Florida. It was in force for 51 hr.

The area

The counties it named.

The facts

Issued
Aug 22, 2008, 5:06 AM EDT (09:06 UTC)
Expired
Aug 24, 2008, 8:00 AM EDT
In force
51 hr
Issued by
NWS Tampa Bay, FL

County Pinellas County, FL

The radar

The Tampa radar (KTBW), 40 km from the middle of the area, began a volume at 09:09 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

Jacksonville, FL (KJAX), launched 00:00Z, 9.1 hours before the alert went out and 306 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, Jacksonville, FL at 00:00Z on 2008-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 430 joules per kilogram.LCLEL10008507005003002001001 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, Jacksonville, FL at 00:00Z on 2008-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 203 square meters per square second.19395878Sfc1 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
430 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
509 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
203 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this high surf 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 high surf advisory went out at Aug 22, 2:55 AM EDT, 2 hours 11 minutes earlier.

Area forecast discussion, Aug 22, 2:55 AM EDT, 2 hours 11 minutes before
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Hazardous weather outlook, Aug 21, 5:45 AM EDT, 23 hours 21 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
545 AM EDT THU AUG 21 2008

FLZ039-042-043-048-212145-
LEVY-CITRUS-SUMTER-HERNANDO-
545 AM EDT THU AUG 21 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF WEST CENTRAL FLORIDA.

.DAY ONE...TODAY AND TONIGHT.

...FLOOD IMPACT...
A FLOOD WATCH IS IN EFFECT FOR THE COUNTIES OF LEVY...CITRUS...SUMTER
AND HERNANDO THROUGH FRIDAY EVENING DUE TO VERY HEAVY RAINS
EXPECTED WITH TROPICAL STORM FAY. RAINFALL TOTALS OF 4 TO 8 INCHES ARE
EXPECTED WITH LOCALLY HIGHER AMOUNTS POSSIBLE WHERE THE HEAVIEST
RAIN BANDS PERSIST THE LONGEST.

...TROPICAL STORM IMPACT...
TROPICAL STORM FAY IS EXPECTED TO MOVE BY TO THE NORTH WITH BANDS
OF SHOWERS AND ISOLATED THUNDERSTORMS MOVING ACROSS THE AREA.
WINDS WILL BE INCREASING WITH A MODERATE RISK OF RIP CURRENTS
ALONG WITH AN INCREASE IN SURF AND TIDE LEVELS. SEAS ON THE COASTAL
WATERS WILL ALSO BE BUILDING TO 7 FEET IN WINDS OF 20 TO 25 KNOTS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

TROPICAL STORM FAY WILL BE MOVING ACROSS NORTHERN FLORIDA THROUGH
SATURDAY...ALLOWING RAINFALL AND WINDS TO GRADUALLY DECREASE ACROSS
THE AREA.

...WIND AND SEA IMPACT...

.SPOTTER INFORMATION STATEMENT...

SPOTTERS SHOULD MONITOR THE WEATHER AND SELF ACTIVATE IF NEEDED.

FLZ049>052-055>057-060>062-065-212145-
PASCO-PINELLAS-HILLSBOROUGH-POLK-MANATEE-HARDEE-HIGHLANDS-
SARASOTA-DE SOTO-CHARLOTTE-LEE-
545 AM EDT THU AUG 21 2008

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

.DAY ONE...TODAY AND TONIGHT.

...TROPICAL STORM IMPACT...
TROPICAL STORM FAY IS EXPECTED TO MOVE BY TO THE NORTH WITH BANDS
OF SHOWERS AND VIOLATED THUNDERSTORMS MOVING ACROSS THE AREA. SOME
OF THE SHOWERS WILL CONTAIN HEAVY TO VERY HEAVY RAINFALL WITH
MINOR FLOODING POSSIBLE. WINDS WILL BE INCREASING WITH A MODERATE
 TO HIGH RISK OF RIP CURRENTS ALONG WITH AN INCREASE IN SURF AND
TIDE LEVELS. SEAS ON THE COASTAL WATERS WILL ALSO BE BUILDING TO
UP TO 7 FEET IN WINDS AROUND 20 TO GUSTS TO 30 KNOTS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

TROPICAL STORM FAY WILL BE MOVING ACROSS NORTHERN FLORIDA THROUGH
SATURDAY...ALLOWING RAINFALL AND WINDS TO GRADUALLY DECREASE ACROSS
THE AREA.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS SHOULD MONITOR THE WEATHER AND SELF ACTIVATE IF NEEDED.

RKR

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 21, 11:55 PM EDTInland Tropical Storm WarningTBWSumter23 hr
Aug 21, 11:55 PM EDTTropical Storm WarningTBW23 hr
Aug 22, 8:18 AM EDTRiver Flood WarningTBWCitrus, Levy5 days
Aug 22, 11:36 AM EDTSpecial Weather StatementTBWGlades24 min
Aug 22, 11:46 AM EDTSpecial Weather StatementTBWLee44 min
Aug 22, 12:26 PM EDTSpecial Weather StatementTBWLee34 min
Aug 22, 1:54 PM EDTSpecial Weather StatementTBWDeSoto, Hardee36 min
Aug 22, 2:11 PM EDTSpecial Weather StatementTBWPolk34 min
Aug 22, 4:59 PM EDTAreal Flood AdvisoryTBWLee91 min
Aug 22, 7:55 PM EDTSpecial Weather StatementTBWPolk20 min

Nearby

High Surf Advisories in Florida, 2008Every high surf advisory in 2008

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.