Alert archive / Florida / Severe Thunderstorm Warnings in 2022
Severe Thunderstorm Warning 237, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Sep 10, 2022, 2:27 PM EDT for Marion County, Florida. It was in force for 48 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
- Sep 10, 2022, 2:27 PM EDT (18:27 UTC)
- Expired
- Sep 10, 2022, 3:15 PM EDT
- In force
- 48 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 18:31 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, 6.5 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.
- Mixed-layer CAPE
- 1304 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 868 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 147 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 4.4
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 Sep 9, 4:03 PM EDT, 22 hours 24 minutes earlier.
Area forecast discussion, Sep 9, 4:03 PM EDT, 22 hours 24 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 |
|---|---|---|---|---|
| Sep 9, 8:00 PM EDT | Special Weather Statement | JAX | Alachua | 30 min |
| Sep 9, 8:03 PM EDT | Areal Flood Advisory | JAX | Alachua | 117 min |
| Sep 9, 8:35 PM EDT | Special Weather Statement | JAX | Bradford | 25 min |
| Sep 9, 8:45 PM EDT | Severe Thunderstorm Warning | JAX | Alachua, Bradford, Clay | 30 min |
| Sep 9, 9:10 PM EDT | Severe Thunderstorm Warning | JAX | Bradford, Clay, Duval | 35 min |
| Sep 9, 9:16 PM EDT | Tornado Warning | JAX | Bradford, Clay, Duval | 29 min |
| Sep 10, 2:05 PM EDT | Special Weather Statement | JAX | Hamilton, Suwannee | 40 min |
| Sep 10, 2:08 PM EDT | Special Weather Statement | JAX | Marion | 37 min |
| Sep 10, 3:09 PM EDT | Special Weather Statement | JAX | Duval, Nassau | 36 min |
| Sep 10, 3:15 PM EDT | Special Weather Statement | JAX | Bradford | 30 min |
| Sep 10, 3:17 PM EDT | Special Weather Statement | JAX | Putnam | 28 min |
| Sep 10, 3:33 PM EDT | Special Weather Statement | JAX | Nassau | 27 min |
| Sep 10, 3:53 PM EDT | Areal Flood Advisory | JAX | Alachua, Baker, Bradford, Clay, Duval, Nassau and 2 more | 104 min |
| Sep 10, 3:59 PM EDT | Special Weather Statement | JAX | Nassau | 31 min |
| Sep 10, 4:12 PM EDT | Special Weather Statement | JAX | Saint Johns | 33 min |
| Sep 10, 4:15 PM EDT | Special Marine Warning | JAX | 60 min | |
| Sep 10, 4:21 PM EDT | Areal Flood Warning | JAX | Saint Johns | 84 min |
| Sep 10, 4:22 PM EDT | Special Weather Statement | JAX | Flagler | 38 min |
| Sep 10, 4:34 PM EDT | Special Weather Statement | JAX | Nassau | 26 min |
| Sep 10, 5:15 PM EDT | Special Marine Warning | JAX | 60 min | |
| Sep 10, 6:11 PM EDT | Special Marine Warning | JAX | 64 min | |
| Sep 10, 6:54 PM EDT | Special Weather Statement | JAX | Gilchrist | 36 min |
| Sep 9, 8:14 PM EDT | Areal Flood Advisory | JAX | Atkinson, Coffee | 2 hr |
| Sep 9, 8:28 PM EDT | Areal Flood Warning | JAX | Atkinson | 2 hr |
| Sep 10, 10:16 AM EDT | River Flood Warning | JAX | Brantley | 34 hr |
| Sep 10, 2:57 PM EDT | Special Weather Statement | JAX | Charlton | 33 min |
| Sep 10, 3:29 PM EDT | Special Weather Statement | JAX | Clinch | 31 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2022Every severe thunderstorm warning in 2022
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.