Alert archive / Florida / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 52, NWS Jacksonville, FL

April 3, 2023Hamilton County, Suwannee County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at Apr 3, 2023, 4:30 PM EDT for Hamilton County, Suwannee County, Florida. It was in force for 17 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
Apr 3, 2023, 4:30 PM EDT (20:30 UTC)
Expired
Apr 3, 2023, 4:47 PM EDT
In force
17 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Hamilton County, FL, Suwannee County, FL

The radar

The Moody AFB radar (KVAX), 61 km from the middle of the area, began a volume at 20:31 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 8.5 hours before the alert went out and 128 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, Tallahassee Rgnl, FL at 12:00Z on 2023-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Tallahassee Rgnl, FL at 12:00Z on 2023-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 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
1 J/kg
Mixed-layer CIN
-384 J/kg
Mixed-layer LCL
1151 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
182 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 3:28 PM EDTSpecial Weather StatementJAXHamilton62 min
Apr 3, 3:56 PM EDTSpecial Weather StatementJAXSuwannee34 min
Apr 3, 4:10 PM EDTSpecial Marine WarningJAX54 min
Apr 3, 4:25 PM EDTSpecial Weather StatementJAXHamilton35 min
Apr 3, 4:36 PM EDTSpecial Marine WarningJAX39 min
Apr 3, 4:59 PM EDTSpecial Weather StatementJAXBaker, Columbia46 min
Apr 3, 5:30 PM EDTSpecial Weather StatementJAXBaker30 min
Apr 3, 5:35 PM EDTSpecial Marine WarningJAX27 min
Apr 3, 10:10 AM EDTRiver Flood WarningJAXLong, Wayne21 days
Apr 3, 3:00 PM EDTSpecial Weather StatementJAXClinch, Pierce, Wayne45 min
Apr 3, 3:36 PM EDTSpecial Weather StatementJAXBrantley, Ware39 min
Apr 3, 4:48 PM EDTSpecial Weather StatementJAXGlynn27 min

Nearby

Severe Thunderstorm Warnings in Florida, 2023Every severe thunderstorm warning in 2023

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.