Alert archive / Florida / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 35, NWS Tampa Bay, FL

June 10, 2020Lee County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Jun 10, 2020, 7:26 PM EDT for Lee County, Florida. It was in force for 34 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 10, 2020, 7:26 PM EDT (23:26 UTC)
Expired
Jun 10, 2020, 8:00 PM EDT
In force
34 min
Issued by
NWS Tampa Bay, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Lee County, FL

The radar

The Tampa radar (KTBW), 132 km from the middle of the area, began a volume at 23:29 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, 11.4 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.

Skew-T log-pSkew-T log-p diagram, Miami, FL at 12:00Z on 2020-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1143 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, Miami, FL at 12:00Z on 2020-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -36 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
1143 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
860 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-36 m²/s²
0-3 km storm-relative helicity
4 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 9, 8:13 PM EDTSpecial Weather StatementTBWCharlotte47 min
Jun 10, 3:47 PM EDTSevere Thunderstorm WarningTBWHillsborough, Manatee28 min
Jun 10, 4:03 PM EDTSpecial Weather StatementTBWPasco42 min
Jun 10, 4:14 PM EDTSpecial Weather StatementTBWManatee46 min
Jun 10, 5:03 PM EDTSpecial Weather StatementTBWManatee27 min
Jun 10, 5:21 PM EDTSpecial Weather StatementTBWPinellas24 min
Jun 10, 5:46 PM EDTSpecial Weather StatementTBWPolk29 min
Jun 10, 6:01 PM EDTSpecial Weather StatementTBWCharlotte29 min
Jun 10, 6:44 PM EDTSpecial Weather StatementTBWHardee31 min
Jun 10, 6:57 PM EDTAreal Flood AdvisoryTBWPolk2 hr
Jun 10, 7:01 PM EDTSevere Thunderstorm WarningTBWLee29 min

Nearby

Severe Thunderstorm Warnings in Florida, 2020Every severe thunderstorm warning in 2020

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.