Alert archive / Georgia / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 192, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Aug 13, 2018, 4:15 PM EDT for Brantley County, Pierce County, Wayne County, Georgia. It was in force for 45 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 13, 2018, 4:15 PM EDT (20:15 UTC)
- Expired
- Aug 13, 2018, 5:00 PM EDT
- In force
- 45 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Brantley County, GA, Pierce County, GA, Wayne County, GA
The radar
The Jacksonville radar (KJAX), 103 km from the middle of the area, began a volume at 20:18 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, 8.3 hours before the alert went out and 102 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
- 1399 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 804 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 13, 8:38 AM EDT, 7 hours 37 minutes earlier.
Area forecast discussion, Aug 13, 8:38 AM EDT, 7 hours 37 minutes before
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</html>In the hours before
Special weather statement, Aug 13, 3:02 PM EDT, 1 hour 13 minutes before
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</html>Special weather statement, Aug 13, 3:04 PM EDT, 1 hour 11 minutes before
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</html>Special weather statement, Aug 13, 3:41 PM EDT, 34 minutes before
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</html>Special weather statement, Aug 13, 3:52 PM EDT, 23 minutes before
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</html>Special weather statement, Aug 13, 3:54 PM EDT, 21 minutes before
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</html>Special weather statement, Aug 13, 4:02 PM EDT, 13 minutes before
Special Weather Statement National Weather Service Jacksonville FL 402 PM EDT MON AUG 13 2018 GAZ136-151-152-132030- Pierce GA-Brantley GA-Wayne GA- 402 PM EDT MON AUG 13 2018 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN PIERCE...NORTH CENTRAL BRANTLEY AND SOUTHWESTERN WAYNE COUNTIES UNTIL 430 PM EDT... At 402 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from near Offerman to near Patterson. These storms were nearly stationary. Wind gusts of 40 to 50 mph can be expected along with possible minor wind damage. Locations impacted include... Patterson, Offerman and Hortense. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is also occurring with these storms, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3131 8191 3126 8219 3138 8226 3143 8204 TIME...MOT...LOC 2002Z 307DEG 3KT 3138 8209 3137 8218 ENYEDI
The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 9:05 PM EDT | Areal Flood Advisory | JAX | Baker | 85 min |
| Aug 12, 9:10 PM EDT | Areal Flood Warning | JAX | Baker, Columbia | 3 hr |
| Aug 12, 9:30 PM EDT | Areal Flood Advisory | JAX | Baker, Columbia | 2 hr |
| Aug 12, 11:00 PM EDT | Areal Flood Advisory | JAX | Columbia | 60 min |
| Aug 13, 6:19 AM EDT | Areal Flood Advisory | JAX | Columbia, Suwannee | 3 hr |
| Aug 13, 7:45 AM EDT | Areal Flood Advisory | JAX | Suwannee | 2 hr |
| Aug 13, 8:13 AM EDT | Areal Flood Advisory | JAX | Suwannee | 2 hr |
| Aug 13, 8:44 AM EDT | Areal Flood Advisory | JAX | Suwannee | 2 hr |
| Aug 13, 1:47 PM EDT | Special Marine Warning | JAX | 58 min | |
| Aug 13, 1:56 PM EDT | Areal Flood Advisory | JAX | Union | 2 hr |
| Aug 13, 2:24 PM EDT | Special Weather Statement | JAX | Baker | 36 min |
| Aug 13, 2:37 PM EDT | Special Marine Warning | JAX | 53 min | |
| Aug 13, 2:46 PM EDT | Special Weather Statement | JAX | Hamilton | 29 min |
| Aug 13, 3:01 PM EDT | Special Weather Statement | JAX | Saint Johns | 44 min |
| Aug 13, 3:02 PM EDT | Special Weather Statement | JAX | Baker | 43 min |
| Aug 13, 3:17 PM EDT | Special Marine Warning | JAX | 58 min | |
| Aug 13, 3:41 PM EDT | Special Weather Statement | JAX | Duval | 34 min |
| Aug 13, 3:52 PM EDT | Special Weather Statement | JAX | Nassau | 23 min |
| Aug 13, 3:54 PM EDT | Special Weather Statement | JAX | Columbia | 36 min |
| Aug 13, 4:20 PM EDT | Areal Flood Advisory | JAX | Alachua, Columbia, Union | 3 hr |
| Aug 13, 5:03 PM EDT | Special Weather Statement | JAX | Hamilton | 42 min |
| Aug 13, 7:18 PM EDT | Special Marine Warning | JAX | 57 min | |
| Aug 13, 7:19 PM EDT | Special Weather Statement | JAX | Flagler | 26 min |
| Aug 13, 1:49 PM EDT | Special Weather Statement | JAX | Camden | 41 min |
| Aug 13, 1:53 PM EDT | Special Weather Statement | JAX | Brantley | 52 min |
| Aug 13, 2:27 PM EDT | Special Weather Statement | JAX | Brantley | 33 min |
| Aug 13, 2:29 PM EDT | Special Weather Statement | JAX | Pierce | 31 min |
| Aug 13, 2:43 PM EDT | Severe Thunderstorm Warning | JAX | Appling, Bacon, Pierce, Wayne | 15 min |
| Aug 13, 2:58 PM EDT | Special Weather Statement | JAX | Appling | 32 min |
| Aug 13, 3:04 PM EDT | Special Weather Statement | JAX | Echols | 26 min |
| Aug 13, 3:07 PM EDT | Areal Flood Warning | JAX | Appling, Bacon, Pierce, Wayne | 3 hr |
| Aug 13, 4:02 PM EDT | Special Weather Statement | JAX | Pierce | 28 min |
| Aug 13, 4:25 PM EDT | Special Weather Statement | JAX | Pierce | 50 min |
| Aug 13, 4:32 PM EDT | Special Weather Statement | JAX | Echols | 28 min |
| Aug 13, 4:39 PM EDT | Severe Thunderstorm Warning | JAX | Bacon, Pierce, Ware | 28 min |
| Aug 13, 4:46 PM EDT | Special Weather Statement | JAX | Ware | 29 min |
| Aug 13, 4:53 PM EDT | Special Weather Statement | JAX | Brantley | 37 min |
| Aug 13, 5:00 PM EDT | Special Weather Statement | JAX | Pierce | 30 min |
| Aug 13, 5:06 PM EDT | Special Weather Statement | JAX | Pierce | 39 min |
| Aug 13, 5:13 PM EDT | Special Weather Statement | JAX | Atkinson | 32 min |
| Aug 13, 5:22 PM EDT | Areal Flood Advisory | JAX | Ware | 113 min |
| Aug 13, 5:25 PM EDT | Areal Flood Advisory | JAX | Bacon, Brantley, Pierce, Ware, Wayne | 2 hr |
| Aug 13, 5:28 PM EDT | Special Weather Statement | JAX | Brantley | 47 min |
| Aug 13, 5:45 PM EDT | Special Weather Statement | JAX | Pierce | 45 min |
| Aug 13, 5:47 PM EDT | Special Weather Statement | JAX | Atkinson | 28 min |
| Aug 13, 6:01 PM EDT | Areal Flood Warning | JAX | Ware | 119 min |
| Aug 13, 6:19 PM EDT | Areal Flood Advisory | JAX | Atkinson, Clinch, Ware | 3 hr |
| Aug 13, 6:23 PM EDT | Special Weather Statement | JAX | Atkinson | 37 min |
| Aug 13, 6:44 PM EDT | Areal Flood Warning | JAX | Ware | 3 hr |
| Aug 13, 7:14 PM EDT | Areal Flood Advisory | JAX | Coffee | 3 hr |
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.