Alert archive / Florida / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 26, NWS Tampa Bay, FL

June 25, 2015Polk County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Jun 25, 2015, 4:00 PM EDT for Polk County, Florida. It was in force for 22 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: Jun 25, 2015, 4:00 PM EDT (20:00 UTC)
Expired: Jun 25, 2015, 4:22 PM EDT
In force: 22 min
Issued by: NWS Tampa Bay, FL
Area: Storm-based polygon

County Polk County, FL

The radar

The Tampa radar (KTBW), 74 km from the middle of the area, began a volume at 20:01 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

Tampa Bay, FL (KTBW), launched 12:00Z, 8.0 hours before the alert went out and 74 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: 733 J/kg
Mixed-layer CIN: -81 J/kg
Mixed-layer LCL: 1064 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 18 m²/s²
0-3 km storm-relative helicity: 15 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 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 Jun 25, 10:25 AM EDT, 5 hours 35 minutes earlier.

Area forecast discussion, Jun 25, 10:25 AM EDT, 5 hours 35 minutes before

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Hazardous weather outlook, Jun 25, 4:48 AM EDT, 11 hours 12 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
448 AM EDT THU JUN 25 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-
873-876-260900-
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-
448 AM EDT THU JUN 25 2015

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

.DAY ONE...TODAY AND TONIGHT.

...THUNDERSTORM IMPACT...
THUNDERSTORMS WILL BEGIN TO DEVELOP OVER THE FLORIDA PENINSULA
DURING THE EARLY AFTERNOON AND GRADUALLY PUSH INLAND WITH THE
WEST COAST SEA BREEZE THROUGH THE LATE AFTERNOON AND EARLY EVENING
HOURS. A FEW OF THE STRONGER STORMS COULD PRODUCE DAMAGING WIND
GUSTS AND FREQUENT LIGHTNING.

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

...THUNDERSTORM IMPACT...
SCATTERED THUNDERSTORMS WILL BE PART OF THE FORECAST EACH DAY
THROUGH THE UPCOMING WEEKEND AND INTO EARLY NEXT WEEK.
HOWEVER...NO SIGNIFICANT OR WIDESPREAD SEVERE WEATHER IS
ANTICIPATED.

...RIP CURRENT IMPACT...
PERSISTENT ONSHORE FLOW IS EXPECTED TO RESULT IN AN INCREASED RIP
FOR STRONGER RIP CURRENTS BY LATER SATURDAY INTO SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS SHOULD MONITOR THE WEATHER
AND SELF ACTIVATE IF NEEDED.

FLEMING

In the hours before

Special weather statement, Jun 25, 12:10 PM EDT, 3 hours 50 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA / RUSKIN FL
1210 PM EDT THU JUN 25 2015

FLZ139-239-251645-
INLAND LEVY-COASTAL LEVY-
1210 PM EDT THU JUN 25 2015

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN LEVY COUNTY...

AT 1210 PM EDT...A STRONG THUNDERSTORM WAS NEAR CHIEFLAND...MOVING
NORTHEAST AT 15 MPH.

WINDS IN EXCESS OF 40 MPH ARE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
CHIEFLAND...BRONSON...ANDREWS...MANATTEE ROAD...FANNING SPRINGS AND
MANATEE SPRINGS STATE PARK.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY CAUSE
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

LAT...LON 2959 8277 2958 8278 2956 8275 2956 8268
      2940 8262 2935 8296 2945 8301 2947 8298
      2952 8298 2952 8297 2954 8298 2956 8295
      2959 8294
TIME...MOT...LOC 1610Z 250DEG 15KT 2946 8291

RAG

Special weather statement, Jun 25, 1:48 PM EDT, 2 hours 12 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA / RUSKIN FL
148 PM EDT THU JUN 25 2015

FLZ043-242-251830-
SUMTER FL-INLAND CITRUS FL-
148 PM EDT THU JUN 25 2015

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN SUMTER AND SOUTHEASTERN
CITRUS COUNTIES UNTIL 230 PM EDT...

AT 148 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 7
MILES EAST OF INVERNESS AIRPORT...OR 8 MILES EAST OF INVERNESS...
MOVING EAST AT 10 MPH.

HALF INCH HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
WILDWOOD...BUSHNELL...LAKE PANASOFFKEE...WEBSTER...COLEMAN...FLORAL
CITY...ADAMSVILLE...WAHOO...RUTLAND...SUMTERVILLE AND WITHLAPOPKA
ISLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 2887 8195 2881 8195 2861 8203 2870 8234
      2892 8224
TIME...MOT...LOC 1748Z 289DEG 8KT 2881 8220

RAG

Special weather statement, Jun 25, 3:53 PM EDT, 7 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA / RUSKIN FL
353 PM EDT THU JUN 25 2015

FLZ043-052-249-251-252045-
INLAND HILLSBOROUGH FL-SUMTER FL-POLK FL-INLAND PASCO FL-
353 PM EDT THU JUN 25 2015

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN HILLSBOROUGH...
SOUTHEASTERN SUMTER...NORTHWESTERN POLK AND SOUTHEASTERN PASCO
COUNTIES UNTIL 445 PM EDT...

AT 352 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
LAKELAND...MOVING WEST AT 10 MPH.

HALF INCH HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
LAKELAND...ZEPHYRHILLS...ZEPHYRHILLS WEST...ZEPHYRHILLS NORTH...
ZEPHYRHILLS SOUTH...POLK CITY...GIBSONIA...RICHLAND...ZEPHYRHILLS
MUNICIPAL AIRPORT...WINSTON...CRYSTAL SPRINGS...KATHLEEN...
ROCKRIDGE...THE GREEN SWAMP AND WITHLA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 2801 8204 2823 8229 2848 8197 2846 8195
      2835 8196 2834 8185 2823 8176
TIME...MOT...LOC 1952Z 058DEG 7KT 2811 8204

Special weather statement, Jun 25, 3:57 PM EDT, 3 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA / RUSKIN FL
357 PM EDT THU JUN 25 2015

FLZ255-260-252045-
INLAND SARASOTA FL-INLAND MANATEE FL-
357 PM EDT THU JUN 25 2015

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN MANATEE AND NORTHERN
SARASOTA COUNTIES UNTIL 445 PM EDT...

AT 357 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 9
MILES NORTHEAST OF LAKEWOOD RANCH...OR 17 MILES EAST OF BRADENTON...
MOVING WEST AT 10 MPH.

HALF INCH HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
LAKE MANATEE STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 2763 8213 2746 8213 2730 8231 2747 8242
TIME...MOT...LOC 1957Z 072DEG 7KT 2746 8229

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 25, 12:41 AM EDT	Special Weather Statement	TBW	Hillsborough	49 min
Jun 25, 12:10 PM EDT	Special Weather Statement	TBW	Levy	35 min
Jun 25, 1:48 PM EDT	Special Weather Statement	TBW	Sumter	42 min
Jun 25, 3:53 PM EDT	Special Weather Statement	TBW	Polk	52 min
Jun 25, 3:57 PM EDT	Special Weather Statement	TBW	Manatee	48 min
Jun 25, 4:09 PM EDT	Severe Thunderstorm Warning	TBW	Polk	23 min
Jun 25, 4:49 PM EDT	Special Weather Statement	TBW	Hardee	26 min
Jun 25, 4:57 PM EDT	Severe Thunderstorm Warning	TBW	Hardee, Polk	33 min
Jun 25, 6:24 PM EDT	Special Weather Statement	TBW	Highlands	36 min
Jun 25, 7:21 PM EDT	Areal Flood Advisory	TBW	Highlands	114 min

Nearby

Severe Thunderstorm Warnings in Florida, 2015 Every severe thunderstorm warning 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.