Alert archive / Florida / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 85, NWS Tampa Bay, FL

July 6, 2008Pasco County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Jul 6, 2008, 7:12 PM EDT for Pasco County, Florida. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 6, 2008, 7:12 PM EDT (23:12 UTC)
Expired
Jul 6, 2008, 8:00 PM EDT
In force
48 min
Issued by
NWS Tampa Bay, FL
Area
Storm-based polygon

County Pasco County, FL

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jul 6, 1:30 PM EDT, 5 hours 42 minutes earlier.

Area forecast discussion, Jul 6, 1:30 PM EDT, 5 hours 42 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
130 PM EDT SUN JUL 6 2008

.SHORT TERM (TONIGHT - TUESDAY)...UPPER LEVEL TROUGH REMAINS IN
PLACE ACROSS THE EASTERN STATES AND THE EASTERN GULF WATERS WITH A
COUPLE OF SHORT WAVE TROUGHS PASSING OVER THE AREA TODAY AND ON
MONDAY. MEANWHILE...AT THE SURFACE A RIDGE AXIS OVER CENTRAL FLORIDA
WILL SLOWLY PUSH NORTH...THEN LINGER OVER NORTHERN FLORIDA THROUGH
MONDAY. THESE FEATURES WILL CONTINUE TO PROVIDE WEAK UPPER LEVEL
SUPPORT FOR SHOWERS AND THUNDERSTORM ACTIVITY EACH DAY AS ABUNDANT
LOW LEVEL MOISTURE REMAINS IN PLACE. THE RIDGE WILL KEEP SURFACE
WINDS LIGHT ENOUGH FOR SEA BREEZE CIRCULATIONS TO FORM AND INTERACT
WITH THE AFOREMENTIONED FEATURES IN ORDER TO BRING SCATTERED TO
NUMEROUS THUNDERSTORMS IN THE AFTERNOON HOURS THROUGH MONDAY.

IN GENERAL...FOR THE REST OF THIS AFTERNOON AND EVENING EXPECT
SCATTERED SHOWERS AND THUNDERSTORMS TO DEVELOP NEAR THE COAST...THEN
PUSHING INLAND WITH THE WEST COAST SEA BREEZE. WILL CARRY 30 TO 20
POPS OVERNIGHT WITH SCATTERED THUNDERSTORMS THROUGH MIDNIGHT...THEN
EXTEND ISOLATED/20 PERCENT THROUGH 12Z MONDAY AS DEPICTED BY LATEST
MODEL DATA. SIMILAR SCENARIO FOR MONDAY EXCEPT FOR BETTER CHANCES OF
RAIN OVER THE INTERIOR WHERE INCREASING EASTERLY FLOW WILL
BRING ADDITIONAL LOW LEVEL MOISTURE.

ON TUESDAY...THE SURFACE FLOW BECOMES MORE SOUTHEASTERLY WHICH WILL
PROBABLY BE STRONG ENOUGH TO KEEP THE WEST COAST SEA BREEZE FROM
PUSHING INLAND. MODEL SOUNDINGS SUGGEST PW VALUES OF 2 INCHES OR
MAYBE HIGHER ON TUESDAY AFTERNOON...WHICH JUSTIFIES KEEPING AT LEAST
50 POPS IN THE FORECAST.

TEMPERATURES SHOULD REMAIN NEAR OR AT NORMALS THROUGH THE SHORT TERM
PERIOD.

&&

.LONG TERM (TUESDAY NIGHT - SUNDAY)...UPPER RIDGE BUILDING IN OVER
THE PENINSULA WITH DRIER AIR (PWS DECREASING INTO THE 1.4-1.6
RANGE) AND INCREASED SUBSIDENCE WILL LOWER CHANCES FOR DIURNAL SEA
BREEZE DRIVEN SHOWERS AND THUNDERSTORMS ACROSS THE ENTIRE FORECAST
AREA WEDNESDAY THROUGH FRIDAY (POPS 30% AT BEST) AS THE SURFACE
RIDGE RIDGE AXIS MEANDERS ABOUT THE CENTRAL PENINSULA.

THE UPPER RIDGE WILL RETROGRADE WEST TO THE NORTH-CENTRAL GULF REGION
LATE FRIDAY THROUGH SUNDAY AS THE SURFACE RIDGE AXIS PERSISTS ACROSS
THE CENTRAL PENINSULA. AS THE UPPER RIDGE MOVES WEST MOISTURE LEVELS
WILL SLOWLY INCREASE (PWS INCREASING BACK TOWARD 2) ACROSS THE
REGION. THIS INCREASING MOISTURE COUPLED WITH WEAK UPPER LEVEL ENERGY
ROTATING AROUND THE UPPER RIDGE WILL INCREASE CHANCES FOR DIURNAL SEA
BREEZE DRIVEN SHOWERS AND STORMS (POPS INCREASING TO 40%) DURING
THE AFTERNOON AND EARLY EVENING HOURS. TEMPERATURES WILL RUN A FEW
DEGREES ABOVE NORMAL WEDNESDAY THROUGH FRIDAY BEFORE RETURNING TO
NEAR NORMAL ON SATURDAY AND SUNDAY.

&&

.AVIATION...HAVE DEPICTED TEMPO MVFR/IFR CEILINGS AND VISIBILITIES
AND GUSTY SURFACE WINDS UP TO 25 KNOTS AT ALL TERMINAL SITES THROUGH
THE EARLY EVENING HOURS AS SCATTERED SHOWERS AND THUNDERSTORMS MOVE
ACROSS THE REGION. VFR CONDITIONS WILL RETURN TO ALL SITES MID/LATE
EVENING AND OVERNIGHT AS THE SHOWERS AND STORMS WIND DOWN WITH SCT/
BKN MID AND HIGH CLOUDS AOA 12KFT LINGERING THROUGH MONDAY MORNING.
TEMPO MVFR/IFR CIGS/VSBYS AND GUSTY SURFACE WINDS UP TO 25 KNOTS WILL
AGAIN DEVELOP AT ALL SITES MONDAY AFTERNOON THROUGH MONDAY EVENING
AS SCATTERED SHOWERS AND THUNDERSTORMS REDEVELOP OVER THE REGION.
&&

.MARINE...MAIN CONCERN FOR MARINE HAZARDS IS THE POTENTIAL FOR
THUNDERSTORMS WHICH WILL BRING BRIEF PERIODS OF ROUGH SEAS AND GUSTY
WINDS...ALONG WITH DEADLY CLOUD TO GROUND LIGHTNING. A RIDGE OVER
THE CENTRAL WATERS WILL LIFT FURTHER NORTH WITH STRENGTHENING
SOUTHEASTERLY FLOW THROUGH THE MIDDLE OF THE WEEK. THE RIDGE AXIS
SAGS BACK SOUTH THROUGH THE END OF THE WEEK.

&&

.FIRE WEATHER...NO CONCERNS.

&&

.PRELIMINARY POINT TEMPS/POPS...
TPA  74  89  76  90 /  30  50  30  50
FMY  73  91  75  91 /  30  60  30  50
GIF  72  91  74  91 /  30  60  30  50
SRQ  73  89  75  90 /  30  50  30  50
BKV  70  90  72  91 /  30  50  30  50
SPG  76  88  78  89 /  30  50  30  50

&&

.TBW WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
GULF WATERS...NONE.
&&

SHORT TERM...AR
LONG TERM/AVIATION...JCM
Hazardous weather outlook, Jul 6, 4:37 AM EDT, 14 hours 35 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
437 AM EDT SUN JUL 6 2008

FLZ039-042-043-048>052-055>057-060>062-065-062045-
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK-
MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE-
437 AM EDT SUN JUL 6 2008

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

.DAY ONE...TODAY AND TONIGHT.

...THUNDERSTORM IMPACT...
SCATTERED THUNDERSTORMS WILL FORM LATE THIS MORNING AND CONTINUE
THROUGH THE AFTERNOON INTO THE EARLY EVENING. A FEW OF THE STORMS
MAY BECOME STRONG DURING THE AFTERNOON WITH SMALL HAIL...STRONG
GUSTY WINDS...FREQUENT DEADLY LIGHTNING...AND LOCALLY HEAVY RAINS
POSSIBLE. MOVEMENT IS EXPECTED TO BE GENERALLY LIMITED...ALTHOUGH
THERE MAY BE A SLOW DRIFT TO THE NORTHWEST OR NORTH. WHEN SKIES
DARKEN...MOVE INDOORS. IF THERE IS TIME...UNPLUG APPLIANCES AND
ELECTRICAL EQUIPMENT. WAIT UNTIL THE STORM ENDS BEFORE USING THE
TELEPHONE OR RUNNING WATER.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

...THUNDERSTORM IMPACT...
ISOLATED MORNING THUNDERSTORMS WILL BECOME SCATTERED IN THE
AFTERNOONS THEN LINGER INTO THE EARLY EVENING HOURS. GUSTY
WINDS...SMALL HAIL...FREQUENT DEADLY LIGHTNING AND LOCALLY HEAVY
RAINS WILL CONTINUE TO BE THE MAIN HAZARDS WITH STRONGER STORMS.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS SHOULD MONITOR THE WEATHER AND SELF ACTIVATE IF NEEDED.

RKR

In the hours before

Special weather statement, Jul 6, 1:50 PM EDT, 5 hours 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
150 PM EDT SUN JUL 6 2008

FLZ051-061830-
HILLSBOROUGH-
150 PM EDT SUN JUL 6 2008

...STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN HILLSBOROUGH
COUNTY...

THUNDERSTORM...NEARLY STATIONARY...WILL AFFECT THE MENTIONED AREA
INCLUDING WEST PARK...CARROLLWOOD...TAMPA INTERNATIONAL AIRPORT AND
TEMPLE TERRACE...UNTIL 230 PM EDT. GUSTY WINDS UP TO 40 MPH ARE
POSSIBLE. FREQUENT CLOUD TO GROUND LIGHTNING IS EXPECTED. IF CAUGHT
OUTSIDE...CROUCH DOWN IN A LOW SPOT...AWAY FROM TALL OBJECTS.
TORRENTIAL RAINS WILL REDUCE VISIBILITY TO NEAR ZERO AT TIMES.

WHEN DRIVING THROUGH HEAVY RAIN...SLOW DOWN. ALWAYS LEAVE A SAFE
DISTANCE BETWEEN YOU AND OTHER VEHICLES. WHEN USING WIPERS...TURN ON
HEADLIGHTS. AVOID DRIVING THROUGH PUDDLES THAT COULD HIDE POTHOLES OR
CAUSE HYDROPLANING.

REYNES
Special weather statement, Jul 6, 3:22 PM EDT, 3 hours 50 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
322 PM EDT SUN JUL 6 2008

FLZ061-062000-
DE SOTO-
322 PM EDT SUN JUL 6 2008

...STRONG THUNDERSTORMS WILL AFFECT NORTHERN DESOTO COUNTY...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES A THUNDERSTORM...
MOVING WEST AT 15 MPH...WILL AFFECT RURAL NORTHERN DESOTO COUNTY
NORTHEAST OF ARCADIA...UNTIL 400 PM EDT. GUSTY WINDS OF 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. HAIL UP TO ONE HALF INCH IN DIAMETER IS EXPECTED.
TORRENTIAL RAINS WILL CAUSE PONDING OF WATER ON ROADS...AND MINOR
FLOODING OF POOR DRAINAGE AREAS.

PRC
Special weather statement, Jul 6, 6:40 PM EDT, 32 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 11:36 AM EDTAreal Flood AdvisoryTBWPinellas54 min
Jul 6, 12:42 PM EDTAreal Flood AdvisoryTBWCitrus63 min
Jul 6, 1:01 PM EDTSevere Thunderstorm WarningTBWLevy29 min
Jul 6, 4:08 PM EDTAreal Flood AdvisoryTBWLee67 min
Jul 6, 5:00 PM EDTSpecial Marine WarningTBW60 min
Jul 6, 5:51 PM EDTSpecial Marine WarningTBW54 min
Jul 6, 5:56 PM EDTSevere Thunderstorm WarningTBWHillsborough, Pinellas49 min
Jul 6, 6:36 PM EDTSpecial Marine WarningTBW54 min
Jul 6, 6:53 PM EDTSevere Thunderstorm WarningTBWPinellas27 min
Jul 6, 7:01 PM EDTAreal Flood AdvisoryTBWPinellas59 min
Jul 6, 7:44 PM EDTSpecial Marine WarningTBW61 min

Nearby

Severe Thunderstorm Warnings in Florida, 2008Every severe thunderstorm warning 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.