Alert archive / Georgia / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 210, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Oct 26, 1997, 2:50 PM EST for Coffee County, Georgia. It was in force for 55 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Oct 26, 1997, 2:50 PM EST (19:50 UTC)
- Expired
- Oct 26, 1997, 3:45 PM EST
- In force
- 55 min
- Issued by
- NWS Jacksonville, FL
- Area
- Whole counties
County Coffee County, GA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 26, 3:15 PM EST | Thunderstorm Wind | Douglas, GA | Large trees and power lines were blown down. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Oct 26, 11:00 AM EST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 7.8 hours before the alert went out and 160 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
- 317 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 820 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 147 m²/s²
- 0-3 km storm-relative helicity
- 210 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 Oct 26, 1:30 PM EST, 1 hour 20 minutes earlier.
Area forecast discussion, Oct 26, 1:30 PM EST, 1 hour 20 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE JACKSONVILLE FL 230 PM EDT SUN OCT 26 1997 FRNTL SYS CONTS TO MOV TO THE E TDY W/ MST OF THE ACTVTY FIRING IN ADV OF FRNTL SYS. NMRS TOR AND SVR WARNINGS OUT OF TLH TDY. LOW PRES SYS LOOKS TO MOV E AND NE W/ BST DYNAMICS LIFTING INTO THE GA PTN OF CWA LATE THIS AFTN AND INTO THE EVE HRS. MRNG SOUNDING JAX MOD AFTN CAPES 2800(J/KG) AND HELICITY 220 (M/S). HELICITY VALUES SHLD CONT TO RISE THRU THE AFTN HRS W/ APPROACH OF SYS. FRNTL SYS LOOKS TO FINALLY MAKE ITS WAY THRU THE AREA TMRW LATE TMRW AFTN. OTHERWISE WATCH BOXES SAY IT ALL. ONLY MINOR CHANGES TO FCST S. PRELIM SSI TU 069/075 050/068 07770 JAX TU 069/079 048/071 07770 GNV TU 068/078 049/070 07770 K. KUYPER
The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 25, 8:47 PM EDT | Severe Thunderstorm Warning | JAX | Wayne | 58 min |
| Oct 25, 9:10 PM EDT | Flash Flood Warning | JAX | Bacon, Coffee | 7 hr |
| Oct 25, 9:10 PM EDT | Flash Flood Warning | JAX | Bacon, Coffee | 6 hr |
| Oct 25, 11:40 PM EDT | Severe Thunderstorm Warning | JAX | Atkinson | 50 min |
| Oct 25, 11:40 PM EDT | Severe Thunderstorm Warning | JAX | Appling | 50 min |
| Oct 25, 11:52 PM EDT | Severe Thunderstorm Warning | JAX | Ware | 53 min |
| Oct 26, 3:02 AM EST | Flash Flood Warning | JAX | Coffee | 7 hr |
| Oct 26, 3:13 PM EST | Severe Thunderstorm Warning | JAX | Atkinson | 62 min |
| Oct 26, 3:50 PM EST | Severe Thunderstorm Warning | JAX | Bacon, Ware | 55 min |
| Oct 26, 4:09 PM EST | Tornado Warning | JAX | Bacon | 66 min |
| Oct 26, 4:15 PM EST | Severe Thunderstorm Warning | JAX | Appling | 60 min |
| Oct 26, 4:21 PM EST | Severe Thunderstorm Warning | JAX | Atkinson | 69 min |
| Oct 26, 4:28 PM EST | Severe Thunderstorm Warning | JAX | Wayne | 62 min |
| Oct 26, 4:50 PM EST | Severe Thunderstorm Warning | JAX | Clinch, Ware | 70 min |
| Oct 26, 5:14 PM EST | Severe Thunderstorm Warning | JAX | Brantley | 61 min |
| Oct 26, 5:22 PM EST | Severe Thunderstorm Warning | JAX | Pierce | 68 min |
| Oct 26, 5:47 PM EST | Severe Thunderstorm Warning | JAX | Glynn | 58 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 1997Every severe thunderstorm warning in 1997
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.