Alert archive / Florida / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 13, NWS Tampa Bay, FL

January 22, 2017Manatee County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Jan 22, 2017, 8:24 PM EST for Manatee 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 outline as issued.

The facts

Issued
Jan 22, 2017, 8:24 PM EST (01:24 UTC)
Expired
Jan 22, 2017, 8:46 PM EST
In force
22 min
Issued by
NWS Tampa Bay, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Manatee County, FL

The radar

The Tampa radar (KTBW), 25 km from the middle of the area, began a volume at 01:26 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jan 22, 4:35 PM ESTTornado Watch PDSSPC5 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 00:00Z, 1.4 hours before the alert went out and 25 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 00:00Z on 2017-01-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1747 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2017-01-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 439 square meters per square second.1939587897117Sfc1 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
1747 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
673 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
439 m²/s²
0-3 km storm-relative helicity
500 m²/s²
Significant tornado parameter
5.8
Supercell composite
22.7

Open this sounding in Storm Lab

The text

As transmitted.

211 
WUUS52 KTBW 230124
SVRTBW
FLC081-230200-
/O.NEW.KTBW.SV.W.0013.170123T0124Z-170123T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tampa Bay Area Ruskin FL
824 PM EST SUN JAN 22 2017

The National Weather Service in Ruskin has issued a

* Severe Thunderstorm Warning for...
  Western Manatee County in west central Florida...

* Until 900 PM EST

* At 823 PM EST, a severe thunderstorm was located near Anna Maria
  Island, moving east at 50 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

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

* Locations impacted include...
  Bradenton, Palmetto, Fort Desoto Park, Anna Maria, Ellenton, South
  Bradenton, Parrish, Memphis, West Bradenton, West Samoset, Holmes
  Beach, Bradenton Beach, Lake Manatee State Park, Cortez, Samoset,
  Palma Sola, Oneco and Bayshore Gardens.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Ruskin.

&&

A tornado watch remains in effect until 1000 PM EST for west central
Florida.

LAT...LON 2765 8272 2764 8272 2765 8271 2767 8271
      2767 8269 2766 8269 2766 8254 2765 8255
      2765 8223 2745 8226 2744 8273 2761 8273
      2762 8271 2762 8273 2763 8274
TIME...MOT...LOC 0123Z 262DEG 45KT 2753 8270 

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

TBW
1 follow-up statement
694 
WWUS52 KTBW 230146
SVSTBW

Severe Weather Statement
National Weather Service Tampa Bay Area Ruskin FL
846 PM EST SUN JAN 22 2017

FLC081-230156-
/O.CAN.KTBW.SV.W.0013.000000T0000Z-170123T0200Z/
Manatee FL-
846 PM EST SUN JAN 22 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN MANATEE COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore the warning has been cancelled.  However gusty winds and
heavy rain are still possible with this thunderstorm.

A tornado watch remains in effect until 1000 PM EST for west central
Florida.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Ruskin.

LAT...LON 2765 8272 2764 8272 2765 8271 2767 8271
      2767 8269 2766 8269 2766 8254 2765 8255
      2765 8223 2745 8226 2744 8273 2761 8273
      2762 8271 2762 8273 2763 8274
TIME...MOT...LOC 0142Z 262DEG 45KT 2757 8238 

$$

TBW

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 22, 7:08 PM ESTSpecial Marine WarningTBW97 min
Jan 22, 7:18 PM ESTSpecial Weather StatementTBWHillsborough, Pinellas57 min
Jan 22, 7:21 PM ESTSevere Thunderstorm WarningTBWPolk39 min
Jan 22, 7:23 PM ESTSevere Thunderstorm WarningTBWHillsborough, Pinellas22 min
Jan 22, 7:33 PM ESTSpecial Marine WarningTBW87 min
Jan 22, 7:36 PM ESTSpecial Marine WarningTBW24 min
Jan 22, 7:38 PM ESTTornado Warning Tornado observedTBWManatee, Sarasota22 min
Jan 22, 7:44 PM ESTSpecial Weather StatementTBWHillsborough, Pinellas, Polk61 min
Jan 22, 7:54 PM ESTSevere Thunderstorm WarningTBWPinellas36 min
Jan 22, 7:59 PM ESTSevere Thunderstorm WarningTBWHillsborough, Manatee31 min
Jan 22, 8:03 PM ESTSevere Thunderstorm WarningTBWHillsborough, Pasco, Polk, Sumter42 min
Jan 22, 8:45 PM ESTSpecial Weather StatementTBWManatee, Polk60 min
Jan 22, 9:09 PM ESTSpecial Weather StatementTBWSarasota51 min
Jan 22, 9:11 PM ESTSpecial Marine WarningTBW64 min
Jan 22, 9:38 PM ESTSpecial Weather StatementTBWPolk67 min
Jan 22, 10:09 PM ESTSpecial Weather StatementTBWCharlotte, DeSoto, Hardee, Highlands66 min
Jan 22, 10:51 PM ESTSpecial Weather StatementTBWOsceola39 min
Jan 22, 11:24 PM ESTSpecial Weather StatementTBWHighlands66 min
Jan 22, 11:27 PM ESTSpecial Weather StatementTBWLee63 min
Jan 23, 5:08 AM ESTSpecial Weather StatementTBWHillsborough, Manatee, Pasco, Pinellas, Sarasota52 min
Jan 23, 5:10 AM ESTSpecial Marine WarningTBW50 min
Jan 23, 5:40 AM ESTSpecial Weather StatementTBWDeSoto, Hardee, Manatee, Polk, Sarasota50 min
Jan 23, 6:07 AM ESTSpecial Marine WarningTBW53 min
Jan 23, 6:12 AM ESTSpecial Weather StatementTBWCharlotte, Lee63 min
Jan 23, 6:32 AM ESTSpecial Weather StatementTBWHighlands43 min
Jan 23, 2:48 PM ESTSmall Craft AdvisoryTBW22 hr

Nearby

Severe Thunderstorm Warnings in Florida, 2017Every severe thunderstorm warning in 2017

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.