Alert archive / Georgia / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 180, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Aug 2, 2018, 3:52 PM EDT for Brantley County, Charlton County, Georgia. It was in force for 23 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
- Aug 2, 2018, 3:52 PM EDT (19:52 UTC)
- Expired
- Aug 2, 2018, 4:15 PM EDT
- In force
- 23 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Brantley County, GA, Charlton County, GA
The radar
The Jacksonville radar (KJAX), 66 km from the middle of the area, began a volume at 19:53 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, 7.9 hours before the alert went out and 64 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
- 1317 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 781 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.7
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 Aug 2, 9:42 AM EDT, 6 hours 10 minutes earlier.
Area forecast discussion, Aug 2, 9:42 AM EDT, 6 hours 10 minutes before
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Special weather statement, Aug 2, 3:25 PM EDT, 27 minutes before
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</html>Special weather statement, Aug 2, 3:27 PM EDT, 25 minutes before
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</html>Special weather statement, Aug 2, 3:30 PM EDT, 22 minutes before
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</html>Special weather statement, Aug 2, 3:38 PM EDT, 14 minutes before
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</html>Special weather statement, Aug 2, 3:47 PM EDT, 5 minutes before
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</html>Special weather statement, Aug 2, 3:50 PM EDT, 2 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 |
|---|---|---|---|---|
| Aug 1, 8:07 PM EDT | Special Weather Statement | JAX | Flagler | 38 min |
| Aug 1, 8:27 PM EDT | Special Marine Warning | JAX | 44 min | |
| Aug 1, 8:40 PM EDT | Special Marine Warning | JAX | 50 min | |
| Aug 1, 9:15 PM EDT | Special Marine Warning | JAX | 60 min | |
| Aug 1, 9:58 PM EDT | Special Marine Warning | JAX | 62 min | |
| Aug 2, 4:47 AM EDT | Special Weather Statement | JAX | Hamilton | 28 min |
| Aug 2, 2:02 PM EDT | Special Weather Statement | JAX | Alachua | 43 min |
| Aug 2, 2:12 PM EDT | Special Weather Statement | JAX | Union | 48 min |
| Aug 2, 2:16 PM EDT | Special Weather Statement | JAX | Union | 29 min |
| Aug 2, 2:20 PM EDT | Special Weather Statement | JAX | Suwannee | 40 min |
| Aug 2, 2:36 PM EDT | Special Weather Statement | JAX | Baker | 39 min |
| Aug 2, 2:47 PM EDT | Special Weather Statement | JAX | Union | 43 min |
| Aug 2, 2:59 PM EDT | Special Weather Statement | JAX | Baker | 46 min |
| Aug 2, 3:08 PM EDT | Special Weather Statement | JAX | Nassau | 52 min |
| Aug 2, 3:38 PM EDT | Special Weather Statement | JAX | Bradford | 37 min |
| Aug 2, 3:47 PM EDT | Special Weather Statement | JAX | Clay | 28 min |
| Aug 2, 3:50 PM EDT | Special Weather Statement | JAX | Alachua | 25 min |
| Aug 2, 4:11 PM EDT | Special Weather Statement | JAX | Nassau | 49 min |
| Aug 2, 4:16 PM EDT | Special Weather Statement | JAX | Marion | 44 min |
| Aug 2, 4:34 PM EDT | Special Weather Statement | JAX | Marion | 41 min |
| Aug 2, 4:47 PM EDT | Special Weather Statement | JAX | Clay, Duval, Nassau | 43 min |
| Aug 2, 4:55 PM EDT | Special Weather Statement | JAX | Marion | 50 min |
| Aug 2, 5:09 PM EDT | Areal Flood Advisory | JAX | Clay, Duval, Nassau | 66 min |
| Aug 2, 5:16 PM EDT | Special Weather Statement | JAX | Duval | 44 min |
| Aug 2, 5:20 PM EDT | Special Weather Statement | JAX | Putnam | 40 min |
| Aug 2, 5:27 PM EDT | Special Marine Warning | JAX | 77 min | |
| Aug 2, 5:44 PM EDT | Special Weather Statement | JAX | Putnam | 46 min |
| Aug 2, 5:48 PM EDT | Special Weather Statement | JAX | Alachua | 27 min |
| Aug 2, 6:14 PM EDT | Areal Flood Warning | JAX | Duval | 61 min |
| Aug 2, 6:22 PM EDT | Areal Flood Advisory | JAX | Clay, Putnam, Saint Johns | 53 min |
| Aug 2, 6:51 PM EDT | Areal Flood Advisory | JAX | Bradford, Union | 54 min |
| Aug 2, 7:07 PM EDT | Special Weather Statement | JAX | Flagler | 38 min |
| Aug 2, 12:23 PM EDT | Special Weather Statement | JAX | Coffee | 22 min |
| Aug 2, 1:45 PM EDT | Special Weather Statement | JAX | Coffee | 45 min |
| Aug 2, 2:06 PM EDT | Special Weather Statement | JAX | Wayne | 39 min |
| Aug 2, 2:50 PM EDT | Special Weather Statement | JAX | Appling | 40 min |
| Aug 2, 2:55 PM EDT | Special Weather Statement | JAX | Echols | 50 min |
| Aug 2, 3:25 PM EDT | Special Weather Statement | JAX | Appling | 50 min |
| Aug 2, 3:27 PM EDT | Special Weather Statement | JAX | Pierce, Ware | 48 min |
| Aug 2, 3:30 PM EDT | Special Weather Statement | JAX | Charlton | 45 min |
| Aug 2, 3:54 PM EDT | Severe Thunderstorm Warning | JAX | Brantley, Pierce, Ware | 21 min |
| Aug 2, 4:14 PM EDT | Areal Flood Advisory | JAX | Appling, Bacon, Brantley, Camden, Charlton, Pierce and 2 more | 61 min |
| Aug 2, 4:15 PM EDT | Special Weather Statement | JAX | Brantley | 45 min |
| Aug 2, 4:36 PM EDT | Special Weather Statement | JAX | Wayne | 24 min |
| Aug 2, 4:37 PM EDT | Special Weather Statement | JAX | Glynn | 38 min |
| Aug 2, 4:57 PM EDT | Special Weather Statement | JAX | Appling, Wayne | 48 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2018Every severe thunderstorm warning in 2018
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.