Alert archive / Florida / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 232, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Jul 23, 2023, 1:49 PM EDT for Duval County, Florida. It was in force for 26 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
- Jul 23, 2023, 1:49 PM EDT (17:49 UTC)
- Expired
- Jul 23, 2023, 2:15 PM EDT
- In force
- 26 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Duval County, FL
The radar
The Jacksonville radar (KJAX), 17 km from the middle of the area, began a volume at 17:52 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, 5.8 hours before the alert went out and 255 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.
- Mixed-layer CAPE
- 2165 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 693 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.7
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 Jul 22, 7:52 PM EDT, 17 hours 57 minutes earlier.
Area forecast discussion, Jul 22, 7:52 PM EDT, 17 hours 57 minutes before
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</html>The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 10:43 AM EDT | Special Weather Statement | JAX | Alachua | 47 min |
| Jul 23, 10:48 AM EDT | Special Weather Statement | JAX | Gilchrist, Suwannee | 42 min |
| Jul 23, 11:25 AM EDT | Special Weather Statement | JAX | Putnam | 35 min |
| Jul 23, 11:28 AM EDT | Special Weather Statement | JAX | Columbia, Hamilton, Suwannee | 47 min |
| Jul 23, 11:44 AM EDT | Severe Thunderstorm Warning | JAX | Hamilton, Suwannee | 46 min |
| Jul 23, 11:50 AM EDT | Special Weather Statement | JAX | Flagler | 40 min |
| Jul 23, 12:12 PM EDT | Areal Flood Advisory | JAX | Columbia, Hamilton, Suwannee | 2 hr |
| Jul 23, 12:14 PM EDT | Special Weather Statement | JAX | Baker, Bradford, Columbia, Hamilton, Union | 61 min |
| Jul 23, 12:17 PM EDT | Special Weather Statement | JAX | Suwannee | 28 min |
| Jul 23, 12:46 PM EDT | Severe Thunderstorm Warning | JAX | Baker, Columbia | 29 min |
| Jul 23, 12:50 PM EDT | Special Weather Statement | JAX | Marion | 25 min |
| Jul 23, 12:52 PM EDT | Severe Thunderstorm Warning | JAX | Baker, Bradford, Union | 38 min |
| Jul 23, 1:07 PM EDT | Severe Thunderstorm Warning | JAX | Baker, Nassau | 23 min |
| Jul 23, 1:16 PM EDT | Special Weather Statement | JAX | Putnam | 29 min |
| Jul 23, 1:28 PM EDT | Special Weather Statement | JAX | Nassau | 32 min |
| Jul 23, 1:30 PM EDT | Special Weather Statement | JAX | Duval, Saint Johns | 30 min |
| Jul 23, 1:41 PM EDT | Special Marine Warning | JAX | 64 min | |
| Jul 23, 1:43 PM EDT | Special Weather Statement | JAX | Bradford | 32 min |
| Jul 23, 1:46 PM EDT | Special Weather Statement | JAX | Duval | 29 min |
| Jul 23, 1:53 PM EDT | Special Weather Statement | JAX | Flagler | 37 min |
| Jul 23, 1:54 PM EDT | Severe Thunderstorm Warning | JAX | Duval, Saint Johns | 36 min |
| Jul 23, 2:03 PM EDT | Special Weather Statement | JAX | Nassau | 27 min |
| Jul 23, 2:07 PM EDT | Severe Thunderstorm Warning | JAX | Duval, Nassau | 23 min |
| Jul 23, 2:09 PM EDT | Areal Flood Advisory | JAX | Duval, Saint Johns | 2 hr |
| Jul 23, 2:12 PM EDT | Special Marine Warning | JAX | 63 min | |
| Jul 23, 2:14 PM EDT | Special Marine Warning | JAX | 61 min | |
| Jul 23, 2:20 PM EDT | Special Weather Statement | JAX | Marion, Putnam | 40 min |
| Jul 23, 2:22 PM EDT | Areal Flood Advisory | JAX | Nassau | 113 min |
| Jul 23, 2:33 PM EDT | Special Weather Statement | JAX | Flagler | 27 min |
| Jul 23, 2:40 PM EDT | Special Marine Warning | JAX | 65 min | |
| Jul 23, 2:59 PM EDT | Special Weather Statement | JAX | Saint Johns | 31 min |
| Jul 23, 3:18 PM EDT | Special Marine Warning | JAX | 27 min | |
| Jul 23, 3:28 PM EDT | Special Weather Statement | JAX | Saint Johns | 32 min |
| Jul 23, 3:30 PM EDT | Special Marine Warning | JAX | 45 min | |
| Jul 23, 3:45 PM EDT | Special Marine Warning | JAX | 60 min | |
| Jul 23, 12:21 PM EDT | Special Weather Statement | JAX | Clinch, Echols | 24 min |
| Jul 23, 12:44 PM EDT | Special Weather Statement | JAX | Clinch, Echols | 31 min |
| Jul 23, 1:09 PM EDT | Special Weather Statement | JAX | Ware | 36 min |
| Jul 23, 1:10 PM EDT | Special Weather Statement | JAX | Ware | 35 min |
| Jul 23, 1:44 PM EDT | Special Weather Statement | JAX | Camden | 31 min |
| Jul 23, 2:16 PM EDT | Special Weather Statement | JAX | Camden, Glynn | 44 min |
| Jul 23, 2:27 PM EDT | Special Weather Statement | JAX | Jeff Davis | 33 min |
| Jul 23, 2:56 PM EDT | Special Weather Statement | JAX | Glynn | 34 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.