Alert archive / Florida / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 75, NWS Jacksonville, FL

June 18, 2026Marion County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at Jun 18, 2026, 3:28 PM EDT for Marion County, Florida. It was in force for 32 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 18, 2026, 3:28 PM EDT (19:28 UTC)
Expired
Jun 18, 2026, 4:00 PM EDT
In force
32 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Marion County, FL

The radar

The Jacksonville radar (KJAX), 146 km from the middle of the area, began a volume at 19:31 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

Tampa Bay, FL (KTBW), launched 12:00Z, 7.5 hours before the alert went out and 171 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 12:00Z on 2026-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1611 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 12:00Z on 2026-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 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
1611 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
918 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
51 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Jacksonville, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 18, 3:26 PM EDT, 2 minutes earlier.

Area forecast discussion, Jun 18, 3:26 PM EDT, 2 minutes before
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In the hours before

Special weather statement, Jun 18, 1:09 PM EDT, 2 hours 19 minutes before
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Special weather statement, Jun 18, 1:38 PM EDT, 1 hour 50 minutes before
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Special weather statement, Jun 18, 2:13 PM EDT, 1 hour 15 minutes before
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Special weather statement, Jun 18, 2:32 PM EDT, 56 minutes before
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Special weather statement, Jun 18, 2:44 PM EDT, 44 minutes before
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Special weather statement, Jun 18, 3:23 PM EDT, 5 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 9:19 AM EDTHeat AdvisoryJAXAlachua, Baker, Bradford, Clay, Duval, Flagler and 5 more9 hr
Jun 18, 2:32 PM EDTSpecial Weather StatementJAXMarion28 min
Jun 18, 2:56 PM EDTSevere Thunderstorm WarningJAXMarion34 min
Jun 18, 3:47 PM EDTSpecial Weather StatementJAXPutnam28 min
Jun 18, 3:48 PM EDTSpecial Weather StatementJAXMarion27 min
Jun 18, 3:52 PM EDTSpecial Weather StatementJAXPutnam23 min
Jun 18, 3:53 PM EDTSevere Thunderstorm WarningJAXMarion10 min
Jun 18, 4:11 PM EDTSpecial Weather StatementJAXPutnam34 min
Jun 18, 4:25 PM EDTSpecial Weather StatementJAXClay35 min
Jun 18, 4:36 PM EDTSpecial Marine WarningJAX54 min
Jun 18, 4:43 PM EDTSpecial Weather StatementJAXMarion32 min
Jun 18, 4:46 PM EDTSpecial Weather StatementJAXPutnam29 min
Jun 18, 4:55 PM EDTSpecial Weather StatementJAXLake20 min
Jun 18, 5:00 PM EDTSpecial Marine WarningJAX60 min
Jun 18, 5:11 PM EDTSevere Thunderstorm WarningJAXSaint Johns34 min
Jun 18, 5:14 PM EDTSpecial Weather StatementJAXFlagler31 min
Jun 18, 5:24 PM EDTSpecial Weather StatementJAXMarion21 min
Jun 18, 5:44 PM EDTSpecial Weather StatementJAXFlagler31 min
Jun 18, 5:52 PM EDTSpecial Marine WarningJAX68 min
Jun 18, 5:59 PM EDTSpecial Weather StatementJAXFlagler31 min
Jun 18, 6:03 PM EDTSpecial Marine WarningJAX57 min
Jun 18, 6:35 PM EDTSpecial Marine WarningJAX55 min
Jun 18, 6:47 PM EDTSpecial Marine WarningJAX28 min
Jun 18, 6:53 PM EDTSpecial Marine WarningJAX67 min
Jun 18, 7:26 PM EDTSpecial Marine WarningJAX64 min
Jun 18, 1:09 PM EDTSpecial Weather StatementJAXJeff Davis36 min
Jun 18, 1:38 PM EDTSpecial Weather StatementJAXAppling37 min
Jun 18, 2:13 PM EDTSpecial Weather StatementJAXWayne32 min
Jun 18, 2:20 PM EDTSevere Thunderstorm WarningJAXAppling, Pierce, Wayne40 min
Jun 18, 2:44 PM EDTSpecial Weather StatementJAXBrantley31 min
Jun 18, 3:23 PM EDTSpecial Weather StatementJAXWayne37 min
Jun 18, 4:52 PM EDTSpecial Weather StatementJAXWare23 min
Jun 18, 5:16 PM EDTSpecial Weather StatementJAXBrantley, Pierce29 min
Jun 18, 5:45 PM EDTSpecial Weather StatementJAXAppling30 min
Jun 18, 6:15 PM EDTSpecial Weather StatementJAXWayne30 min
Jun 18, 6:51 PM EDTSpecial Weather StatementJAXGlynn9 min

Nearby

Severe Thunderstorm Warnings in Florida, 2026Every severe thunderstorm warning in 2026

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.