Alert archive / Florida / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 18, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this severe thunderstorm warning at Jun 11, 2013, 5:11 PM EDT for Lee County, Florida. It was in force for 49 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 11, 2013, 5:11 PM EDT (21:11 UTC)
- Expired
- Jun 11, 2013, 6:00 PM EDT
- In force
- 49 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 21:11 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, 9.2 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.
- Mixed-layer CAPE
- 2459 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 680 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -24 m²/s²
- 0-3 km storm-relative helicity
- -10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 11, 3:58 PM EDT, 1 hour 13 minutes earlier.
Area forecast discussion, Jun 11, 3:58 PM EDT, 1 hour 13 minutes before
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</html>Hazardous weather outlook, Jun 11, 6:28 AM EDT, 10 hours 43 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL 628 AM EDT TUE JUN 11 2013 FLZ039-042-043-048>052-055>057-060>062-065-GMZ830-850-853-856-870- 873-876-111600- LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK- MANATEE-HARDEE-HIGHLANDS-SARASOTA-DESOTO-CHARLOTTE-LEE- TAMPA BAY WATERS-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- 628 AM EDT TUE JUN 11 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST FLORIDA. .DAY ONE...TODAY AND TONIGHT. ...THUNDERSTORM IMPACT... SCATTERED THUNDERSTORMS WILL DEVELOP ALONG SEA BREEZE AND OUTFLOW BOUNDARIES THIS AFTERNOON. THE BEST CHANCES WILL BE EAST OF INTERSTATE 75. STRONG GUSTY WINDS...BRIEF HEAVY RAINS...FREQUENT LIGHTNING AND SMALL HAIL WILL BE POSSIBLE WITH THE STRONGER STORMS. ...RIVER FLOOD IMPACT... THE MANATEE RIVER AT MYAKKA HEAD AND THE LITTLE MANATEE RIVER AT WIMAUMA ARE NEARING THEIR CRESTS THIS MORNING AND SHOULD BE GRADUALLY FALLING THROUGH THE DAY TODAY. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. ...THUNDERSTORM IMPACT... ISOLATED TO SCATTERED MAINLY AFTERNOON THUNDERSTORMS WILL BE POSSIBLE EACH DAY. STRONGER STORMS WILL CONTAIN GUSTY WINDS...SMALL HAIL...BRIEF HEAVY RAINS AND FREQUENT LIGHTNING. .SPOTTER INFORMATION STATEMENT... SPOTTERS SHOULD MONITOR THE WEATHER AND SELF ACTIVATE IF NEEDED. COLSON
In the hours before
Special weather statement, Jun 11, 3:04 PM EDT, 2 hours 7 minutes before
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</html>Special weather statement, Jun 11, 4:30 PM EDT, 41 minutes before
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</html>Special weather statement, Jun 11, 5:01 PM EDT, 10 minutes before
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<h1 id="headline">This service is currently unavailable.</h1>
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</html>The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 10:08 AM EDT | River Flood Warning | TBW | Hillsborough | 10 hr |
| Jun 11, 3:04 PM EDT | Special Weather Statement | TBW | Sumter | 56 min |
| Jun 11, 3:39 PM EDT | Areal Flood Advisory | TBW | Citrus, Sumter | 96 min |
| Jun 11, 4:30 PM EDT | Special Weather Statement | TBW | Highlands | 60 min |
| Jun 11, 5:01 PM EDT | Special Weather Statement | TBW | Lee | 44 min |
| Jun 11, 5:57 PM EDT | Areal Flood Advisory | TBW | Lee | 93 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2013Every severe thunderstorm warning in 2013
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.