Alert archive / Florida / Special Weather Statements in 2014

Special Weather Statement, NWS Tampa Bay, FL

April 15, 2014Polk County, Florida

NWS Tampa Bay, FL issued this special weather statement at Apr 15, 2014, 3:21 PM EDT for Polk County, Florida. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 15, 2014, 3:21 PM EDT (19:21 UTC)
Expired: Apr 15, 2014, 4:00 PM EDT
In force: 39 min
Issued by: NWS Tampa Bay, FL

County Polk County, FL

The radar

The Tampa radar (KTBW), 84 km from the middle of the area, began a volume at 19:23 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, 7.4 hours before the alert went out and 124 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1017 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 40 m²/s²
0-3 km storm-relative helicity: 50 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather 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 special weather statement went out at Apr 15, 3:17 PM EDT, 4 minutes earlier.

Area forecast discussion, Apr 15, 3:17 PM EDT, 4 minutes before

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Hazardous weather outlook, Apr 15, 5:27 AM EDT, 9 hours 54 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
527 AM EDT TUE APR 15 2014

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-
873-876-161000-
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-
TARPON SPRINGS TO SUWANNEE RIVER OUT 20 NM-
ENGLEWOOD TO TARPON SPRINGS OUT 20 NM-
BONITA BEACH TO ENGLEWOOD OUT 20 NM-
TARPON SPRINGS TO SUWANNEE RIVER OUT 20 TO 60 NM-
ENGLEWOOD TO TARPON SPRINGS OUT 20 TO 60 NM-
BONITA BEACH TO ENGLEWOOD OUT 20 TO 60 NM-
527 AM EDT TUE APR 15 2014

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

.DAY ONE...TODAY AND TONIGHT.

...THUNDERSTORM IMPACT...
THUNDERSTORMS ARE EXPECTED TO DEVELOP TODAY AND SOME OF THESE
STORMS COULD BE STRONG TO SEVERE...PRIMARILY NORTH OF INTERSTATE
4. THE STRONGEST THUNDERSTORMS THAT DEVELOP WILL BE CAPABLE OF
PRODUCING STRONG GUSTY WINDS...ISOLATED TORNADOES...LOCALLY HEAVY
RAINS...AND FREQUENT LIGHTNING STRIKES.

...LAKE WIND IMPACT...
STRONG GUSTY WINDS ARE EXPECTED TO DEVELOP ON AREA LAKES TODAY IN
ADVANCE OF AN APPROACHING COLD FRONT. FOR ADDITIONAL DETAILS SEE
THE LATEST NON PRECIPITATION STATEMENT.

...RIP CURRENT IMPACT...
BUILDING WAVES AND ONSHORE WINDS WILL RESULT IN AN ELEVATED RISK
FOR RIP CURRENTS AT AREA BEACHES THROUGH THIS EVENING.

...MARINE IMPACTS...
WIND SPEEDS OF 20 TO 33 KNOTS WILL CREATE HAZARDOUS BOATING
CONDITIONS FOR SMALL CRAFT OPERATORS TODAY AND TONIGHT.

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

...THUNDERSTORM IMPACT...
THURSDAY NIGHT THROUGH FRIDAY NIGHT THUNDERSTORMS ARE EXPECTED AS
A FRONT STALLS ACROSS CENTRAL FLORIDA. SOME OF THESE STORMS COULD
BE STRONG TO SEVERE AND CAPABLE OF PRODUCING STRONG GUSTY
WINDS...ISOLATED TORNADOES...LOCALLY HEAVY RAINS...AND FREQUENT
LIGHTNING STRIKES.

...MARINE IMPACTS...
WEDNESDAY MORNING AND AGAIN WEDNESDAY NIGHT...WIND SPEEDS OF 20
TO 33 KNOTS WILL CREATE HAZARDOUS BOATING CONDITIONS FOR SMALL
CRAFT OPERATORS.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS SHOULD MONITOR THE WEATHER AND SELF ACTIVATE IF NEEDED.

JELSEMA

In the hours before

Local storm report, Apr 15, 1:26 PM EDT, 1 hour 55 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
126 PM EDT TUE APR 15 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1240 PM     TSTM WND DMG     WILDWOOD                28.85N 82.04W
04/15/2014                   SUMTER             FL   EMERGENCY MNGR

            TREE AND POWER LINES FELL ON A MOBILE HOME ON LEGION
            ROAD. DAMAGE TO THE HOME REPORTED.

&&

JCM

Special weather statement, Apr 15, 2:03 PM EDT, 1 hour 18 minutes before

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Local storm report, Apr 15, 2:28 PM EDT, 53 minutes before

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Local storm report, Apr 15, 2:41 PM EDT, 40 minutes before

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Local storm report, Apr 15, 3:17 PM EDT, 4 minutes before

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Special weather statement, Apr 15, 3:21 PM EDT, 0 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
Apr 15, 4:53 AM EDT	Small Craft Advisory	TBW		53 hr
Apr 15, 5:10 AM EDT	Rip Current Statement	TBW	Charlotte, Hillsborough, Lee, Manatee, Pinellas, Sarasota	23 hr
Apr 15, 5:15 AM EDT	Lake Wind Advisory	TBW	Charlotte, Citrus, DeSoto, Hardee, Hernando, Highlands and 9 more	15 hr
Apr 15, 11:43 AM EDT	Special Marine Warning	TBW		62 min
Apr 15, 11:59 AM EDT	Special Weather Statement	TBW	Hernando, Sumter	61 min
Apr 15, 12:06 PM EDT	Special Weather Statement	TBW	Pinellas	54 min
Apr 15, 12:25 PM EDT	Severe Thunderstorm Warning	TBW	Citrus, Sumter	50 min
Apr 15, 12:53 PM EDT	Special Weather Statement	TBW	Sumter	52 min
Apr 15, 12:55 PM EDT	Special Marine Warning	TBW		50 min
Apr 15, 1:00 PM EDT	Special Weather Statement	TBW	Hillsborough	60 min
Apr 15, 1:14 PM EDT	Severe Thunderstorm Warning	TBW	Hillsborough, Pasco, Polk	46 min
Apr 15, 2:03 PM EDT	Special Weather Statement	TBW	Hillsborough	57 min

Nearby

Special Weather Statements in Florida, 2014 Every special weather statement in 2014

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.