Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 3, NWS Tampa Bay, FL

February 13, 2021Hillsborough County, Pasco County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Feb 13, 2021, 8:13 AM EST for Hillsborough County, Pasco County, Florida. It was in force for 32 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
Feb 13, 2021, 8:13 AM EST (13:13 UTC)
Expired
Feb 13, 2021, 8:45 AM EST
In force
32 min
Issued by
NWS Tampa Bay, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Hillsborough County, FL, Pasco County, FL

The radar

The Tampa radar (KTBW), 42 km from the middle of the area, began a volume at 13:17 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, 1.2 hours before the alert went out and 42 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-pSkew-T log-p diagram, Tampa Bay, FL at 12:00Z on 2021-02-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 12:00Z on 2021-02-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 187 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
3261 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
187 m²/s²
0-3 km storm-relative helicity
238 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted.

604 
WUUS52 KTBW 131313
SVRTBW
FLC057-101-131345-
/O.NEW.KTBW.SV.W.0003.210213T1313Z-210213T1345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tampa Bay Area Ruskin FL
813 AM EST Sat Feb 13 2021

The National Weather Service in Ruskin has issued a

* Severe Thunderstorm Warning for...
  Southeastern Pasco County in west central Florida...
  North central Hillsborough County in west central Florida...

* Until 845 AM EST.

* At 813 AM EST, a severe thunderstorm was located over University,
  or near Temple Terrace, moving northeast at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Tampa, Temple Terrace, Lutz, Egypt Lake-Leto, Pebble Creek,
  University, Lake Magdalene, Greater Carrollwood, West Park, Busch
  Gardens, Thonotosassa, Carrollwood, New Tampa, Meadow Pointe,
  University Of South Florida, Lettuce Lake Park and Wesley Chapel.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 2800 8242 2801 8252 2823 8240 2819 8227
      2808 8222
TIME...MOT...LOC 1313Z 222DEG 31KT 2803 8243 

HAIL...<.75IN
WIND...60MPH
 
$$

TBW
2 follow-up statements
385 
WWUS52 KTBW 131325
SVSTBW

Severe Weather Statement
National Weather Service Tampa Bay Area Ruskin FL
825 AM EST Sat Feb 13 2021

FLC057-101-131345-
/O.CON.KTBW.SV.W.0003.000000T0000Z-210213T1345Z/
Pasco FL-Hillsborough FL-
825 AM EST Sat Feb 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 AM EST
FOR SOUTH CENTRAL PASCO AND NORTH CENTRAL HILLSBOROUGH COUNTIES...

At 824 AM EST, a severe thunderstorm was located over Temple Terrace,
moving northeast at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Pebble Creek, Meadow Pointe, Thonotosassa, Lettuce Lake Park, New 
Tampa and Wesley Chapel.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 2803 8236 2810 8242 2822 8237 2819 8227
      2808 8222
TIME...MOT...LOC 1324Z 220DEG 26KT 2808 8238 

HAIL...<.75IN
WIND...60MPH
 
$$

TBW
752 
WWUS52 KTBW 131341
SVSTBW

Severe Weather Statement
National Weather Service Tampa Bay Area Ruskin FL
841 AM EST Sat Feb 13 2021

FLC057-101-131350-
/O.EXP.KTBW.SV.W.0003.000000T0000Z-210213T1345Z/
Pasco FL-Hillsborough FL-
841 AM EST Sat Feb 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL PASCO AND NORTH
CENTRAL HILLSBOROUGH COUNTIES WILL EXPIRE AT 845 AM EST...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 2803 8236 2810 8242 2822 8237 2819 8227
      2808 8222
TIME...MOT...LOC 1340Z 222DEG 31KT 2818 8227 

$$

TBW

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 13, 7:10 AM ESTSpecial Marine WarningTBW50 min
Feb 13, 7:31 AM ESTSpecial Weather StatementTBWPinellas29 min
Feb 13, 7:42 AM ESTSpecial Marine WarningTBW33 min
Feb 13, 7:49 AM ESTSpecial Weather StatementTBWPasco41 min
Feb 13, 8:17 AM ESTSpecial Marine WarningTBW29 min
Feb 13, 8:42 AM ESTSpecial Weather StatementTBWPasco33 min
Feb 13, 10:10 AM ESTAreal Flood AdvisoryTBWPolk61 min

Nearby

Severe Thunderstorm Warnings in Florida, 2021Every severe thunderstorm warning in 2021

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.