Alert archive / Florida / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 31, NWS Tampa Bay, FL

July 2, 2015Lee County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Jul 2, 2015, 4:53 PM EDT for Lee County, Florida. It was in force for 37 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 2, 2015, 4:53 PM EDT (20:53 UTC)
Expired: Jul 2, 2015, 5:30 PM EDT
In force: 37 min
Issued by: NWS Tampa Bay, FL
Area: Storm-based polygon

County Lee County, FL

The radar

The Tampa radar (KTBW), 132 km from the middle of the area, began a volume at 20:57 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

Miami, FL (KMFL), launched 12:00Z, 8.9 hours before the alert went out and 179 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: 3120 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 836 m above ground
0-6 km bulk shear: 1 kt
0-1 km storm-relative helicity: -59 m²/s²
0-3 km storm-relative helicity: -16 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 Jul 2, 4:02 PM EDT, 51 minutes earlier.

Area forecast discussion, Jul 2, 4:02 PM EDT, 51 minutes before

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Hazardous weather outlook, Jul 2, 5:18 AM EDT, 11 hours 35 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
518 AM EDT THU JUL 2 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-
873-876-030930-
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-
518 AM EDT THU JUL 2 2015

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

.DAY ONE...TODAY AND TONIGHT.

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

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

...THUNDERSTORM IMPACT...
SCATTERED AFTERNOON THUNDERSTORMS ARE EXPECTED EACH DAY.
THUNDERSTORMS WILL BE CAPABLE OF PRODUCING STRONG GUSTY
WINDS...LOCALLY HEAVY RAINS...AND FREQUENT DEADLY LIGHTNING
STRIKES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.

OGLESBY

In the hours before

Special weather statement, Jul 2, 2:47 PM EDT, 2 hours 6 minutes before

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Special weather statement, Jul 2, 2:52 PM EDT, 2 hours 1 minute before

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Special weather statement, Jul 2, 3:27 PM EDT, 1 hour 26 minutes before

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Local storm report, Jul 2, 3:33 PM EDT, 1 hour 20 minutes before

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Special weather statement, Jul 2, 3:59 PM EDT, 54 minutes before

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Special weather statement, Jul 2, 4:49 PM EDT, 4 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
Jul 2, 12:36 PM EDT	Special Weather Statement	TBW	Pinellas	39 min
Jul 2, 12:37 PM EDT	Special Marine Warning	TBW		23 min
Jul 2, 12:59 PM EDT	Special Marine Warning	TBW		31 min
Jul 2, 1:46 PM EDT	Special Weather Statement	TBW	Sumter	44 min
Jul 2, 1:55 PM EDT	Special Weather Statement	TBW	Hillsborough	35 min
Jul 2, 2:47 PM EDT	Special Weather Statement	TBW	Polk	43 min
Jul 2, 2:52 PM EDT	Special Weather Statement	TBW	Hillsborough, Manatee	23 min
Jul 2, 3:27 PM EDT	Special Weather Statement	TBW	Hillsborough	33 min
Jul 2, 3:59 PM EDT	Special Weather Statement	TBW	Polk	46 min
Jul 2, 4:49 PM EDT	Special Weather Statement	TBW	Lee	41 min
Jul 2, 5:18 PM EDT	Special Weather Statement	TBW	Lee	42 min
Jul 2, 5:32 PM EDT	Areal Flood Advisory	TBW	Lee	58 min
Jul 2, 5:38 PM EDT	Special Weather Statement	TBW	Highlands	37 min
Jul 2, 5:57 PM EDT	Special Weather Statement	TBW	Lee	48 min
Jul 2, 6:03 PM EDT	Special Weather Statement	TBW	Highlands	27 min
Jul 2, 6:17 PM EDT	Areal Flood Advisory	TBW	Lee	58 min
Jul 2, 6:20 PM EDT	Special Weather Statement	TBW	DeSoto	25 min
Jul 2, 6:41 PM EDT	Areal Flood Advisory	TBW	DeSoto, Highlands	64 min
Jul 2, 6:49 PM EDT	Special Weather Statement	TBW	Highlands	41 min
Jul 2, 7:50 PM EDT	Areal Flood Advisory	TBW	DeSoto	55 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.