Alert archive / Florida / Coastal Flood Statements in 2015

Coastal Flood Statement 1, NWS Tampa Bay, FL

August 1, 20155 counties in Florida

NWS Tampa Bay, FL issued this coastal flood statement at Aug 1, 2015, 3:57 PM EDT for 5 counties in Florida. It was in force for 64 hr.

The area

The counties it named.

The facts

Issued
Aug 1, 2015, 3:57 PM EDT (19:57 UTC)
Expired
Aug 4, 2015, 8:00 AM EDT
In force
64 hr
Issued by
NWS Tampa Bay, FL

Counties Citrus County, FL, Hernando County, FL, Levy County, FL, Pasco County, FL, Pinellas County, FL

The radar

The Tampa radar (KTBW), 99 km from the middle of the area, began a volume at 19:56 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, 8.0 hours before the alert went out and 205 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, Cape Canaveral, FL at 12:00Z on 2015-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 131 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, Cape Canaveral, FL at 12:00Z on 2015-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 square meters per square second.1939Sfc1 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
131 J/kg
Mixed-layer CIN
-90 J/kg
Mixed-layer LCL
1141 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
44 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 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 Aug 1, 2:55 PM EDT, 1 hour 2 minutes earlier.

Area forecast discussion, Aug 1, 2:55 PM EDT, 1 hour 2 minutes before
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Hazardous weather outlook, Aug 1, 5:52 AM EDT, 10 hours 5 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
552 AM EDT SAT AUG 1 2015

FLZ043-050-052-056-057-061-139-142-148-149-151-155-160-162-165-
239-242-248-249-251-255-260-262-265-GMZ830-836-850-853-856-870-
873-876-021000-
SUMTER-PINELLAS-POLK-HARDEE-HIGHLANDS-DESOTO-COASTAL LEVY-
COASTAL CITRUS-COASTAL HERNANDO-COASTAL PASCO-
COASTAL HILLSBOROUGH-COASTAL MANATEE-COASTAL SARASOTA-
COASTAL CHARLOTTE-COASTAL LEE-INLAND LEVY-INLAND CITRUS-
INLAND HERNANDO-INLAND PASCO-INLAND HILLSBOROUGH-INLAND MANATEE-
INLAND SARASOTA-INLAND CHARLOTTE-INLAND LEE-TAMPA BAY WATERS-
CHARLOTTE HARBOR AND PINE ISLAND SOUND-
COASTAL WATERS FROM TARPON SPRINGS TO SUWANNEE RIVER FL OUT 20 NM-
COASTAL WATERS FROM ENGLEWOOD TO TARPON SPRINGS FL OUT 20 NM-
COASTAL WATERS FROM BONITA BEACH TO ENGLEWOOD FL OUT 20 NM-
WATERS FROM TARPON SPRINGS TO SUWANNEE RIVER FL OUT 20 TO 60 NM-
WATERS FROM ENGLEWOOD TO TARPON SPRINGS FL OUT 20 TO 60 NM-
WATERS FROM BONITA BEACH TO ENGLEWOOD FL OUT 20 TO 60 NM-
552 AM EDT SAT AUG 1 2015

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

.DAY ONE...TODAY AND TONIGHT.

...THUNDERSTORM IMPACT...
THUNDERSTORMS ARE EXPECTED. THUNDERSTORMS THAT DEVELOP WILL BE
CAPABLE OF PRODUCING STRONG GUSTY WINDS...LOCALLY HEAVY RAINS...
AND FREQUENT DEADLY LIGHTNING STRIKES.

...FLOOD IMPACT...
SIGNIFICANT HEAVY RAINFALL IS EXPECTED ALONG COASTAL SECTIONS OF
THE NATURE COAST THROUGH THE WEEKEND WHERE WIDESPREAD RAINFALL
AMOUNTS OF SEVERAL INCHES WILL BE POSSIBLE...ESPECIALLY TO THE
NORTH OF TAMPA BAY COUNTY. THE POTENTIAL FOR HEAVY RAIN WILL
INCREASE THE RISK FOR LOCALIZED FLOODING OF LOW LYING AND POOR
DRAINAGE AREAS AS WELL AS THE PONDING OF WATER ON ROADWAYS. FLOOD
WATCHES IS CURRENTLY IN EFFECT FROM LEVY COUNTY THROUGH HERNANDO
COUNTY. RESIDENTS LIVING IN FLOOD PRONE AREAS SHOULD REMAIN ALERT
TO ANY RAPID RISES IN WATER LEVELS AND BE READY TO MOVE TO HIGHER
GROUND SHOULD FLOODING BE OBSERVED.

...RIP CURRENT IMPACT...
HIGH SURF WITH WAVE ENERGY FOCUSED ON SHORE WILL PRODUCE RIP
CURRENTS ALONG AREA BEACHES.

...MARINE IMPACTS...
WIND SPEEDS AROUND 15 KNOTS MAY CREATE HAZARDOUS BOATING
CONDITIONS FOR SMALL CRAFT OPERATORS. SMALL CRAFTS SHOULD EXERCISE
CAUTION IN THE NEAR AND OFF SHORE WATERS FROM ENGLEWOOD TO TARPON
SPRINGS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

...THUNDERSTORM IMPACT...
NUMEROUS TO WIDESPREAD SHOWERS AND THUNDERSTORMS ARE EXPECTED
THROUGH MONDAY TO THE NORTH OF BROOKSVILLE...WITH SCATTERED
SHOWERS AND THUNDERSTORMS FURTHER TO THE SOUTH. THUNDERSTORMS WILL
BE CAPABLE OF PRODUCING GUSTY WINDS...LOCALLY HEAVY RAINS...AND
FREQUENT DEADLY LIGHTNING STRIKES. REMEMBER IF LIGHTNING IS
OBSERVED OR THUNDER IS HEARD MOVE INDOORS IMMEDIATELY.

A MORE TYPICAL SUMMER PATTERN OF SCATTERED DIURNAL SHOWERS AND
STORMS IS EXPECTED FOR THE ENTIRE REGION BY MID WEEK.

...FLOOD IMPACT...
A TROUGH OF LOW PRESSURE OVER THE REGION COMBINED WITH ABUNDANT
TROPICAL MOISTURE WILL SUPPORT SOME SIGNIFICANT HEAVY RAINFALL
ALONG COASTAL SECTION OF THE NATURE COAST THROUGH MONDAY WHERE
WIDESPREAD RAINFALL AMOUNTS OF SEVERAL INCHES WILL BE
POSSIBLE...ESPECIALLY TO THE NORTH OF HERNANDO COUNTY. THE
POTENTIAL FOR HEAVY RAIN WILL INCREASE THE RISK FOR LOCALIZED
FLOODING OF LOW LYING AND POOR DRAINAGE AREAS AS WELL AS THE
PONDING OF WATER ON ROADWAYS. RESIDENTS LIVING IN FLOOD PRONE
AREAS SHOULD REMAIN ALERT TO ANY RAPID RISES IN WATER LEVELS AND
BE READY TO MOVE TO HIGHER GROUND SHOULD FLOODING BE OBSERVED.

...RIP CURRENT IMPACT...
HIGH SURF WITH WAVE ENERGY FOCUSED ON SHORE WILL PRODUCE A RIP
CURRENT RISK ALONG AREA BEACHES THROUGH MONDAY.

...RIVER FLOOD IMPACT...
RIVER FLOODING WILL LIKELY CONTINUE ALONG A FEW AREA RIVERS
FOR THE NEXT FEW DAYS. PLEASE VIEW THE LATEST RIVER WARNINGS AND
STATEMENTS FOR ADDITIONAL INFORMATION. RESIDENTS LIVING ALONG
RIVERS AND FASTER FLOWING STREAMS SHOULD REMAIN AWARE OF WATER
LEVELS AND BE READY TO MOVE TO HIGHER GROUND SHOULD FLOODING BE
OBSERVED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.

BARRON

In the hours before

Local storm report, Aug 1, 3:19 PM EDT, 38 minutes before
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Local storm report, Aug 1, 3:20 PM EDT, 37 minutes before
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Special weather statement, Aug 1, 3:27 PM EDT, 30 minutes before
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Local storm report, Aug 1, 3:34 PM EDT, 23 minutes before
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Local storm report, Aug 1, 3:37 PM EDT, 20 minutes before
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Local storm report, Aug 1, 3:38 PM EDT, 19 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 31, 8:07 PM EDTSpecial Weather StatementTBWHardee23 min
Aug 1, 2:55 AM EDTFlood WatchTBWCitrus, Hernando, Hillsborough, Levy, Pasco, Pinellas4 days
Aug 1, 9:02 AM EDTSpecial Marine WarningTBW43 min
Aug 1, 10:24 AM EDTSpecial Weather StatementTBWHernando, Pasco, Sumter51 min
Aug 1, 10:58 AM EDTSpecial Marine WarningTBW47 min
Aug 1, 11:40 AM EDTSpecial Marine WarningTBW50 min
Aug 1, 11:45 AM EDTSpecial Weather StatementTBWHillsborough, Pinellas45 min
Aug 1, 11:48 AM EDTSpecial Weather StatementTBWHighlands57 min
Aug 1, 12:10 PM EDTAreal Flood AdvisoryTBWHillsborough, Pasco, Pinellas2 hr
Aug 1, 12:33 PM EDTSpecial Weather StatementTBWCharlotte57 min
Aug 1, 12:37 PM EDTSpecial Marine WarningTBW38 min
Aug 1, 12:40 PM EDTSpecial Weather StatementTBWHillsborough35 min
Aug 1, 1:04 PM EDTSpecial Marine WarningTBW56 min
Aug 1, 1:07 PM EDTSpecial Weather StatementTBWHillsborough38 min
Aug 1, 1:22 PM EDTSpecial Marine WarningTBW83 min
Aug 1, 1:34 PM EDTAreal Flood WarningTBWHillsborough, Pinellas3 hr
Aug 1, 1:43 PM EDTSpecial Weather StatementTBWHillsborough47 min
Aug 1, 1:47 PM EDTSpecial Weather StatementTBWHillsborough28 min
Aug 1, 1:50 PM EDTAreal Flood AdvisoryTBWCitrus, Hernando115 min
Aug 1, 2:02 PM EDTSpecial Marine WarningTBW88 min
Aug 1, 2:25 PM EDTAreal Flood AdvisoryTBWHillsborough, Pasco2 hr
Aug 1, 2:59 PM EDTSpecial Weather StatementTBWHillsborough46 min
Aug 1, 3:23 PM EDTSmall Craft AdvisoryTBW53 hr
Aug 1, 3:27 PM EDTSpecial Weather StatementTBWPolk33 min
Aug 1, 4:27 PM EDTAreal Flood WarningTBWHillsborough3 hr
Aug 1, 4:45 PM EDTSpecial Weather StatementTBWPolk45 min
Aug 1, 5:43 PM EDTRiver Flood WarningTBWPasco6 days
Aug 1, 7:44 PM EDTAreal Flood WarningTBWHillsborough2 hr

Nearby

Coastal Flood Statements in Florida, 2015Every coastal flood statement in 2015

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.