Alert archive / Florida / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 63, NWS Tampa Bay, FL

November 16, 2006Hillsborough County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Nov 16, 2006, 12:04 AM EST for Hillsborough County, Florida. It was in force for 26 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
Nov 16, 2006, 12:04 AM EST (05:04 UTC)
Expired
Nov 16, 2006, 12:30 AM EST
In force
26 min
Issued by
NWS Tampa Bay, FL
Area
Counties, with a storm outline in the text

County Hillsborough County, FL

The radar

The Tampa radar (KTBW), 23 km from the middle of the area, began a volume at 05:07 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
Nov 15, 11:41 PM ESTTornado WatchSPC3 hr

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 00:00Z, 5.1 hours before the alert went out and 23 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 2006-11-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 234 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 2006-11-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 square meters per square second.193958Sfc1 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
234 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
960 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
169 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.3

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 15, 9:15 PM ESTSpecial Marine WarningTBW60 min
Nov 15, 10:12 PM ESTSpecial Marine WarningTBW63 min
Nov 15, 11:10 PM ESTSpecial Marine WarningTBW2 hr
Nov 15, 11:50 PM ESTSpecial Marine WarningTBW74 min
Nov 15, 11:57 PM ESTSevere Thunderstorm WarningTBWManatee, Pinellas33 min
Nov 16, 2:40 AM ESTSpecial Marine WarningTBW65 min
Nov 16, 3:31 AM ESTHigh Surf AdvisoryTBWPinellas15 hr
Nov 16, 3:57 AM ESTSpecial Marine WarningTBW63 min

Nearby

Severe Thunderstorm Warnings in Florida, 2006Every severe thunderstorm warning in 2006

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.