Alert archive / Florida / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 45, NWS Tampa Bay, FL

June 17, 2010Hillsborough County, Pasco County, Polk County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Jun 17, 2010, 1:52 PM EDT for Hillsborough County, Pasco County, Polk County, Florida. It was in force for 23 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 17, 2010, 1:52 PM EDT (17:52 UTC)
Expired
Jun 17, 2010, 2:15 PM EDT
In force
23 min
Issued by
NWS Tampa Bay, FL
Area
Storm-based polygon

Counties Hillsborough County, FL, Pasco County, FL, Polk County, FL

The radar

The Tampa radar (KTBW), 45 km from the middle of the area, began a volume at 17:55 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

Cape Canaveral, FL (KXMR), launched 12:00Z, 5.9 hours before the alert went out and 169 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, Cape Canaveral, FL at 12:00Z on 2010-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 730 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, Cape Canaveral, FL at 12:00Z on 2010-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 square meters per square second.1939Sfc1 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
730 J/kg
Mixed-layer CIN
-77 J/kg
Mixed-layer LCL
1145 m above ground
0-6 km bulk shear
1 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
26 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 8:03 PM EDTAreal Flood AdvisoryTBWLee117 min
Jun 16, 8:06 PM EDTSpecial Weather StatementTBWLee39 min
Jun 16, 8:25 PM EDTSpecial Marine WarningTBW65 min
Jun 16, 9:00 PM EDTSpecial Weather StatementTBWLee30 min
Jun 17, 1:30 PM EDTSpecial Weather StatementTBWManatee45 min
Jun 17, 1:43 PM EDTSpecial Weather StatementTBWPolk47 min
Jun 17, 1:47 PM EDTSevere Thunderstorm WarningTBWManatee, Sarasota28 min
Jun 17, 2:15 PM EDTSpecial Weather StatementTBWManatee45 min
Jun 17, 2:28 PM EDTSpecial Weather StatementTBWHardee47 min
Jun 17, 2:33 PM EDTSevere Thunderstorm WarningTBWHardee, Manatee27 min
Jun 17, 2:51 PM EDTSpecial Weather StatementTBWCharlotte39 min
Jun 17, 3:07 PM EDTSpecial Weather StatementTBWPolk38 min
Jun 17, 3:54 PM EDTSpecial Weather StatementTBWHighlands66 min

Nearby

Severe Thunderstorm Warnings in Florida, 2010Every severe thunderstorm warning in 2010

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.