Alert archive / Florida / Coastal Flood Statements in 2008

Coastal Flood Statement 4, NWS Tampa Bay, FL

March 7, 2008Pinellas County, Florida

NWS Tampa Bay, FL issued this coastal flood statement at Mar 7, 2008, 12:26 PM EST for Pinellas County, Florida. It took effect at Mar 7, 2008, 10:00 PM EST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Mar 7, 2008, 12:26 PM EST (17:26 UTC)
In effect from: Mar 7, 2008, 10:00 PM EST
Expired: Mar 8, 2008, 4:00 AM EST
In force: 6 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 17:25 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, 5.4 hours before the alert went out and 228 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: 1005 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 632 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 214 m²/s²
0-3 km storm-relative helicity: 280 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 7.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this coastal flood statement 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 coastal flood statement went out at Mar 7, 10:40 AM EST, 1 hour 46 minutes earlier.

Area forecast discussion, Mar 7, 10:40 AM EST, 1 hour 46 minutes before

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Hazardous weather outlook, Mar 7, 5:05 AM EST, 7 hours 21 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
505 AM EST FRI MAR 7 2008

FLZ039-042-043-048>052-055>057-060>062-065-072215-
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK-
MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE-
505 AM EST FRI MAR 7 2008

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

.DAY ONE...TODAY AND TONIGHT.

...THUNDERSTORM IMPACT...
STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE LATER TODAY AND
TONIGHT AS A LOW PRESSURE SYSTEM STRENGTHENS IN THE GULF OF
MEXICO...AND A COLD FRONT ADVANCES TOWARD THE REGION. IN ADDITION
TO DEADLY LIGHTNING ASSOCIATED WITH ALL THUNDERSTORMS...DAMAGING
WINDS WILL BE THE PRIMARY THREAT WITH THE STRONGER STORMS.

...COASTAL FLOOD IMPACT...
THE POTENTIAL FOR MINOR COASTAL FLOODING WILL EXIST OVER THE
NATURE COAST. STRONG WINDS DEVELOPING AHEAD OF A STRENGTHENING
STORM SYSTEM IN THE GULF OF MEXICO WILL FORCE WATER LEVELS TO RISE
TO AROUND 2 FEET ABOVE NORMAL TIDE LEVELS THROUGH FRIDAY AFTERNOON.

...WIND AND SEA IMPACT...
SOUTH AND SOUTHWEST WINDS WILL INCREASE OVER THE COASTAL WATERS
FROM BONITA BEACH TO THE MOUTH OF THE SUWANNEE RIVER AND OUT 60
NAUTICAL MILES. A SMALL CRAFT ADVISORY IS IN EFFECT THROUGH
SATURDAY FOR THE COASTAL WATERS. ACROSS THE TAMPA BAY
WATERS...SMALL CRAFT SHOULD EXERCISE CAUTION TODAY AND
TONIGHT AS A LOW PRESSURE SYSTEM AND ACCOMPANYING COLD FRONT
IMPACT THE AREA.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

...WIND AND SEA IMPACT...
STRONG AND GUSTY WEST AND NORTHWEST WINDS WILL DEVELOP OVER THE
COASTAL AND BAY WATERS ON SATURDAY...BEHIND A STRONG COLD FRONT
THAT WILL SWEEP ACROSS THE AREA. A SMALL CRAFT ADVISORY IS IN
EFFECT FOR THE COASTAL AND BAY WATERS ON SATURDAY.

OTHERWISE...THE POTENTIAL EXISTS FOR FREEZING TEMPERATURES SUNDAY
MORNING ACROSS LEVY COUNTY.

ELSEWHERE...NO HAZARDOUS WEATHER IS EXPECTED SUNDAY THROUGH THURSDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS SHOULD MONITOR THE WEATHER AND SELF ACTIVATE IF NEEDED
TODAY AND TONIGHT.

LAMARRE

In the hours before

Special weather statement, Mar 7, 9:00 AM EST, 3 hours 26 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
9 AM EST FRI MAR 7 2008

FLZ039-071445-
LEVY-
9 AM EST FRI MAR 7 2008

...STRONG THUNDERSTORMS WILL AFFECT CEDAR KEY IN LEVY COUNTY...

A THUNDERSTORM...MOVING NORTHEAST AT 45 MPH...WILL AFFECT CEDAR KEY
AND OTHER COMMUNITIES IN WESTERN LEVY COUNTY...BETWEEN 930 AND 945
AM EST. GUSTY WINDS 40 TO 50 MPH MAY CAUSE LOOSE OBJECTS TO BLOW
AROUND. MINOR DAMAGE TO TREE LIMBS AND WIRES IS POSSIBLE. FREQUENT
CLOUD TO GROUND LIGHTNING IS EXPECTED. IF CAUGHT OUTSIDE...CROUCH
DOWN IN A LOW SPOT...AWAY FROM TALL OBJECTS. THIS STORM MAY PRODUCE
PEA SIZE HAIL. TORRENTIAL RAINS WILL REDUCE VISIBILITY TO NEAR ZERO
AT TIMES. MOTORISTS MAY WANT TO DELAY TRAVEL.

EJ

Special weather statement, Mar 7, 9:50 AM EST, 2 hours 36 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
950 AM EST FRI MAR 7 2008

FLZ039-071545-
LEVY-
950 AM EST FRI MAR 7 2008

...STRONG THUNDERSTORMS WILL AFFECT NORTHERN LEVY COUNTY...

THUNDERSTORMS...MOVING NORTHEAST AT 40 MPH...WILL AFFECT CHIEFLAND
AND BRONSON...UNTIL 1045 AM EST. GUSTY WINDS 40 TO 50 MPH MAY CAUSE
LOOSE OBJECTS TO BLOW AROUND. MINOR DAMAGE TO TREE LIMBS AND WIRES IS
POSSIBLE. FREQUENT CLOUD TO GROUND LIGHTNING IS EXPECTED. IF CAUGHT
OUTSIDE...CROUCH DOWN IN A LOW SPOT...AWAY FROM TALL OBJECTS. THIS
STORM WILL PRODUCE PEA SIZE HAIL. TORRENTIAL RAINS WILL CAUSE PONDING
OF WATER ON ROADS...AND MINOR FLOODING OF POOR DRAINAGE AREAS.

EJ

Special weather statement, Mar 7, 10:48 AM EST, 1 hour 38 minutes before

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Local storm report, Mar 7, 11:35 AM EST, 51 minutes before

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Local storm report, Mar 7, 12:23 PM EST, 3 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 7, 5:15 AM EST	Fire Weather Watch	TBW	Polk, Sumter	24 hr
Mar 7, 6:50 AM EST	Lake Wind Advisory	TBW	DeSoto, Hardee, Highlands, Pinellas, Polk, Sumter	11 hr
Mar 7, 8:12 AM EST	Special Marine Warning	TBW		63 min
Mar 7, 9:29 AM EST	Special Marine Warning	TBW		31 min
Mar 7, 12:18 PM EST	Special Marine Warning	TBW		87 min
Mar 7, 12:26 PM EST	High Surf Advisory	TBW	Pinellas	46 hr
Mar 7, 12:29 PM EST	Freeze Watch	TBW		16 hr
Mar 7, 1:48 PM EST	Special Marine Warning	TBW		87 min
Mar 7, 2:14 PM EST	Severe Thunderstorm Warning	TBW	Citrus, Levy	61 min
Mar 7, 3:16 PM EST	Special Marine Warning	TBW		119 min
Mar 7, 5:10 PM EST	Special Marine Warning	TBW		95 min
Mar 7, 6:47 PM EST	Special Marine Warning	TBW		58 min

Nearby

Coastal Flood Statements in Florida, 2008 Every coastal flood statement 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.