Alert archive / Florida / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 73, NWS Jacksonville, FL

May 27, 2025Flagler County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at May 27, 2025, 6:17 PM EDT for Flagler County, Florida. It was in force for 28 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
May 27, 2025, 6:17 PM EDT (22:17 UTC)
Expired
May 27, 2025, 6:45 PM EDT
In force
28 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Flagler County, FL

The radar

The Jacksonville radar (KJAX), 119 km from the middle of the area, began a volume at 22:21 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

Jacksonville, FL (KJAX), launched 12:00Z, 10.3 hours before the alert went out and 121 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, Jacksonville, FL at 12:00Z on 2025-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 492 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, Jacksonville, FL at 12:00Z on 2025-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 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
492 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
1113 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
23 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 4:14 PM EDTSpecial Weather StatementJAXMarion31 min
May 27, 4:44 PM EDTSpecial Weather StatementJAXMarion31 min
May 27, 5:20 PM EDTSpecial Weather StatementJAXMarion25 min
May 27, 5:46 PM EDTSpecial Weather StatementJAXFlagler29 min
May 27, 6:12 PM EDTSpecial Weather StatementJAXFlagler48 min
May 27, 6:34 PM EDTSpecial Weather StatementJAXFlagler26 min
May 27, 6:40 PM EDTSpecial Weather StatementJAXSaint Johns35 min
May 27, 7:10 PM EDTAreal Flood AdvisoryJAXFlagler2 hr
May 27, 7:17 PM EDTSpecial Weather StatementJAXSaint Johns28 min
May 27, 7:32 PM EDTSpecial Marine WarningJAX58 min
May 26, 8:48 PM EDTAreal Flood AdvisoryJAXWare102 min
May 26, 11:59 PM EDTAreal Flood AdvisoryJAXCharlton2 hr
May 27, 1:48 AM EDTSpecial Weather StatementJAXCamden42 min

Nearby

Severe Thunderstorm Warnings in Florida, 2025Every severe thunderstorm warning in 2025

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.