Alert archive / Georgia / Flood Watches in 2018
Flood Watch 2, NWS Jacksonville, FL
NWS Jacksonville, FL issued this flood watch at Dec 2, 2018, 1:29 PM EST for 12 counties in Georgia. It was in force for 30 hr.
The area
The counties it named.
The facts
- Issued
- Dec 2, 2018, 1:29 PM EST (18:29 UTC)
- Expired
- Dec 3, 2018, 7:00 PM EST
- In force
- 30 hr
- Issued by
- NWS Jacksonville, FL
- Flood severity
- None
Counties Appling County, GA, Atkinson County, GA, Bacon County, GA, Brantley County, GA, Camden County, GA, Clinch County, GA, Coffee County, GA, Echols County, GA, Glynn County, GA, Jeff Davis County, GA, Pierce County, GA, Wayne County, GA
The radar
The Moody AFB radar (KVAX), 80 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
Jacksonville, FL (KJAX), launched 12:00Z, 6.5 hours before the alert went out and 109 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
- 1274 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 520 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 294 m²/s²
- 0-3 km storm-relative helicity
- 302 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.9
What forecasters said that day
The local office's own words before this flood watch 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 flood watch went out at Dec 2, 8:47 AM EST, 4 hours 42 minutes earlier.
Area forecast discussion, Dec 2, 8:47 AM EST, 4 hours 42 minutes before
Area Forecast Discussion
National Weather Service Jacksonville FL
847 AM EST Sun Dec 2 2018
...POTENTIAL FOR SEVERE THUNDERSTORMS THIS AFTERNOON AND
TONIGHT...
.UPDATE...Radar has been showing clusters of showers and
thunderstorms through the early morning across se GA. 12z
soundings continued to show some instability above a near-
surface inversion. Severe threat minimal until inversion is
erased, as shown on the 12z TAE sounding. Not much heating
Today, but increasing surface dewpoints to or just above 70
will help destabilize airmass yielding 1000-1500 J/Kg CAPE.
Surface winds will veer a little to SW, but strong speed
shear with low-level jet will still promote SRH values of
200-300...any local backing of wind will enhance this.
This environment supports scattered supercell storms, as
depicted on the HRRR model, with damaging winds and hail,
with a tornado threat as well. Corridor of greatest threat,
during the time window of 1pm thru 9pm, looks to be from
TAE across AMG/AYS to Jesup/BQK. HRRR suggests activity
will continue well into the night, working se toward the
JAX area late.
2-3 inches of rain have fallen across se GA...so will
have to monitor for locally heavy rain again Today and
Tonight across this area that could promote flooding. Storm
motion should be fairly quick, so flood threat primarily where
we see any training of storms over the same area.
Made some adjustments to hourly POP/Weather grids, but
no other changes at this time.
&&
.AVIATION...S to SW winds may be occasionally gusty
Today. VFR conditions are expected Today with potential
for MVFR conditions this evening. Showers and T-storms
expected to be mainly N and W of TAF sites Today...with
best chance of any showers by late afternoon near KSSI
and KGNV.
&&
.MARINE...A slow moving cold front is approaching the region
from the West Today and will then stall over area waters Tonight
through Monday. The cold front is expected to push Southeast of
the region Monday night and Tuesday morning as high pressure
builds to the West. The high will build to the Northwest
Wednesday, then to the North on Thursday.
Rip Currents: Low Risk through Tuesday
&&
.PRELIMINARY POINT TEMPS/POPS...
AMG 79 64 70 47 / 80 80 70 20
SSI 76 66 73 51 / 50 70 80 50
JAX 82 70 77 53 / 40 50 80 50
SGJ 81 69 78 57 / 40 30 70 50
GNV 81 71 78 55 / 40 40 70 50
OCF 83 71 80 58 / 30 30 70 60
&&
.JAX WATCHES/WARNINGS/ADVISORIES...
FL...None.
GA...None.
AM...Small Craft Advisory until 1 PM EST this afternoon for Waters
from Altamaha Sound GA to Fernandina Beach FL from 20 to 60
NM-Waters from Fernandina Beach to St. Augustine FL from 20
to 60 NM-Waters from St. Augustine to Flagler Beach FL from
20 to 60 NM.
&&
Wolf/23/ShashyIn the hours before
Special weather statement, Dec 2, 8:20 AM EST, 5 hours 9 minutes before
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</html>Local storm report, Dec 2, 9:24 AM EST, 4 hours 5 minutes before
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</html>Special weather statement, Dec 2, 12:00 PM EST, 1 hour 29 minutes before
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</html>Special weather statement, Dec 2, 12:29 PM EST, 1 hour before
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</html>Special weather statement, Dec 2, 12:44 PM EST, 45 minutes before
Special Weather Statement
National Weather Service Jacksonville FL
1244 PM EST SUN DEC 2 2018
GAZ150-162>164-021830-
Ware GA-Clinch GA-Echols GA-Charlton GA-
1244 PM EST SUN DEC 2 2018
...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL ECHOLS...CENTRAL WARE...
CENTRAL CLINCH AND NORTHWESTERN CHARLTON COUNTIES UNTIL 130 PM EST...
* At 1243 PM EST, National Weather Service meteorologists were
tracking strong thunderstorms along a line extending from near
Boggy Bay to near Jennings. Movement was northeast at 50 mph.
* Wind gusts of 40 to 50 mph possible with these storms.
* Locations impacted include...
Waycross, Statenville, Braganza, Boggy Bay and Needham.
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.
To report severe weather, contact your nearest law enforcement
agency. You can also share your report with NWS Jacksonville on
Facebook and Twitter.
&&
LAT...LON 3126 8236 3125 8234 3105 8218 3072 8264
3061 8287 3062 8313
TIME...MOT...LOC 1743Z 233DEG 43KT 3110 8238 3058 8317
WOLFLocal storm report, Dec 2, 1:09 PM EST, 20 minutes before
PRELIMINARY LOCAL STORM REPORT
National Weather Service Jacksonville FL
109 PM EST SUN DEC 2 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1250 PM FLOOD WAYCROSS 31.21N 82.36W
12/02/2018 Ware GA 911 CALL CENTER
NUMEROUS ROAD FLOODING ISSUES AROUND THE CITY LIMITS OF
WAYCROSS. FLOODING NEARING THE DOORS OF SOME RESIDENCES.
1250 PM LIGHTNING WNW WAYCROSS 31.21N 82.36W
12/02/2018 Ware GA 911 CALL CENTER
HOME DAMAGED DUE TO LIGHTNING STRIKE IN WAYCROSS OFF OF
CARSWELL AVENUE TEBEAU STREET.
1250 PM LIGHTNING 4 NNW WAYCROSS 31.26N 82.38W
12/02/2018 Ware GA 911 CALL CENTER
HOME DAMAGED BY LIGHTNING STRIKE NEAR LUCILLE STREET IN
NORTH WAYCROSS.
&&
ASHASHYThe office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 1, 8:29 PM EST | Special Weather Statement | JAX | Hamilton | 16 min |
| Dec 1, 10:48 PM EST | Special Marine Warning | JAX | 87 min | |
| Dec 1, 11:31 PM EST | Severe Thunderstorm Warning | JAX | Nassau | 59 min |
| Dec 2, 12:08 AM EST | Special Marine Warning | JAX | 2 hr | |
| Dec 2, 12:29 PM EST | Special Weather Statement | JAX | Hamilton | 31 min |
| Dec 2, 1:48 PM EST | Tornado Warning | JAX | Columbia | 27 min |
| Dec 2, 2:24 PM EST | Special Marine Warning | JAX | 2 hr | |
| Dec 2, 2:37 PM EST | Severe Thunderstorm Warning | JAX | Nassau | 23 min |
| Dec 2, 2:41 PM EST | Tornado Warning | JAX | Nassau | 34 min |
| Dec 2, 2:59 PM EST | Areal Flood Advisory | JAX | Nassau | 3 hr |
| Dec 2, 3:00 PM EST | Tornado Warning | JAX | Nassau | 30 min |
| Dec 2, 3:04 PM EST | Severe Thunderstorm Warning | JAX | Nassau | 41 min |
| Dec 2, 3:06 PM EST | Special Weather Statement | JAX | Saint Johns | 39 min |
| Dec 2, 3:16 PM EST | Special Marine Warning | JAX | 59 min | |
| Dec 2, 3:20 PM EST | Severe Thunderstorm Warning | JAX | Nassau | 40 min |
| Dec 2, 3:34 PM EST | Special Weather Statement | JAX | Baker, Columbia | 41 min |
| Dec 2, 3:34 PM EST | Tornado Warning | JAX | Nassau | 26 min |
| Dec 2, 3:49 PM EST | Areal Flood Advisory | JAX | Baker, Nassau | 3 hr |
| Dec 2, 3:59 PM EST | Severe Thunderstorm Warning | JAX | Nassau | 46 min |
| Dec 2, 4:16 PM EST | Special Marine Warning | JAX | 89 min | |
| Dec 2, 4:26 PM EST | Severe Thunderstorm Warning | JAX | Nassau | 34 min |
| Dec 2, 4:55 PM EST | Special Weather Statement | JAX | Nassau | 35 min |
| Dec 2, 5:44 PM EST | Special Marine Warning | JAX | 61 min | |
| Dec 2, 5:56 PM EST | Areal Flood Advisory | JAX | Hamilton | 2 hr |
| Dec 1, 7:48 PM EST | Special Weather Statement | JAX | Atkinson, Coffee, Jeff Davis | 42 min |
| Dec 1, 8:09 PM EST | Special Weather Statement | JAX | Clinch | 36 min |
| Dec 1, 8:27 PM EST | Areal Flood Advisory | JAX | Atkinson, Bacon, Coffee, Jeff Davis | 3 hr |
| Dec 1, 8:27 PM EST | Special Weather Statement | JAX | Atkinson, Bacon | 33 min |
| Dec 1, 8:48 PM EST | Special Weather Statement | JAX | Clinch, Echols | 27 min |
| Dec 1, 9:22 PM EST | Special Weather Statement | JAX | Glynn | 23 min |
| Dec 1, 9:50 PM EST | Special Weather Statement | JAX | Brantley, Charlton, Pierce, Ware | 55 min |
| Dec 1, 10:34 PM EST | Special Weather Statement | JAX | Brantley, Glynn | 41 min |
| Dec 1, 10:56 PM EST | Severe Thunderstorm Warning | JAX | Camden, Glynn | 34 min |
| Dec 1, 11:04 PM EST | Areal Flood Advisory | JAX | Clinch, Echols | 116 min |
| Dec 1, 11:14 PM EST | Areal Flood Advisory | JAX | Glynn | 2 hr |
| Dec 1, 11:21 PM EST | Special Weather Statement | JAX | Camden | 54 min |
| Dec 1, 11:53 PM EST | Tornado Warning | JAX | Camden, Glynn | 37 min |
| Dec 2, 12:27 AM EST | Special Weather Statement | JAX | Camden | 63 min |
| Dec 2, 6:08 AM EST | Special Weather Statement | JAX | Bacon | 52 min |
| Dec 2, 6:38 AM EST | Special Weather Statement | JAX | Pierce | 52 min |
| Dec 2, 6:42 AM EST | Severe Thunderstorm Warning | JAX | Appling, Bacon, Coffee, Jeff Davis | 48 min |
| Dec 2, 6:45 AM EST | Tornado Warning | JAX | Appling, Bacon, Coffee, Jeff Davis | 30 min |
| Dec 2, 7:13 AM EST | Special Weather Statement | JAX | Appling | 47 min |
| Dec 2, 7:36 AM EST | Areal Flood Advisory | JAX | Appling, Bacon, Jeff Davis | 2 hr |
| Dec 2, 7:58 AM EST | Areal Flood Advisory | JAX | Brantley, Clinch, Pierce, Ware, Wayne | 3 hr |
| Dec 2, 8:20 AM EST | Special Weather Statement | JAX | Brantley | 40 min |
| Dec 2, 8:47 AM EST | Areal Flood Advisory | JAX | Coffee, Jeff Davis | 3 hr |
| Dec 2, 10:01 AM EST | River Flood Warning | JAX | Appling, Tattnall, Toombs, Wayne | 69 days |
| Dec 2, 11:35 AM EST | Areal Flood Advisory | JAX | Clinch, Echols, Ware | 3 hr |
| Dec 2, 11:36 AM EST | Areal Flood Advisory | JAX | Appling, Bacon, Coffee, Jeff Davis | 3 hr |
| Dec 2, 12:00 PM EST | Special Weather Statement | JAX | Clinch | 45 min |
| Dec 2, 12:44 PM EST | Special Weather Statement | JAX | Clinch, Echols, Ware | 46 min |
| Dec 2, 12:56 PM EST | Areal Flood Warning | JAX | Brantley, Clinch, Pierce, Ware | 6 hr |
| Dec 2, 1:40 PM EST | Special Weather Statement | JAX | Charlton, Echols | 50 min |
| Dec 2, 1:46 PM EST | Special Weather Statement | JAX | Coffee | 44 min |
| Dec 2, 2:00 PM EST | Special Weather Statement | JAX | Brantley | 60 min |
| Dec 2, 2:04 PM EST | Areal Flood Advisory | JAX | Brantley, Charlton, Clinch, Echols, Ware | 3 hr |
| Dec 2, 2:06 PM EST | Severe Thunderstorm Warning | JAX | Atkinson | 28 min |
| Dec 2, 2:13 PM EST | Tornado Warning | JAX | Atkinson | 19 min |
| Dec 2, 2:31 PM EST | Severe Thunderstorm Warning | JAX | Atkinson, Coffee | 18 min |
| Dec 2, 2:36 PM EST | Severe Thunderstorm Warning | JAX | Camden, Glynn | 39 min |
| Dec 2, 2:40 PM EST | Areal Flood Advisory | JAX | Atkinson, Bacon, Coffee | 3 hr |
| Dec 2, 2:44 PM EST | Severe Thunderstorm Warning | JAX | Atkinson, Coffee, Ware | 16 min |
| Dec 2, 2:46 PM EST | Special Weather Statement | JAX | Appling | 14 min |
| Dec 2, 3:08 PM EST | Special Weather Statement | JAX | Clinch | 37 min |
| Dec 2, 3:47 PM EST | Areal Flood Advisory | JAX | Atkinson, Clinch, Ware | 3 hr |
| Dec 2, 4:58 PM EST | Special Weather Statement | JAX | Clinch, Echols | 32 min |
| Dec 2, 5:17 PM EST | Special Weather Statement | JAX | Ware | 43 min |
| Dec 2, 5:36 PM EST | Special Weather Statement | JAX | Clinch, Echols | 39 min |
| Dec 2, 5:38 PM EST | Severe Thunderstorm Warning | JAX | Brantley, Charlton, Ware | 37 min |
| Dec 2, 6:14 PM EST | Special Weather Statement | JAX | Brantley, Glynn | 46 min |
| Dec 2, 6:16 PM EST | Special Weather Statement | JAX | Charlton | 44 min |
| Dec 2, 6:38 PM EST | Special Weather Statement | JAX | Clinch | 37 min |
| Dec 2, 6:54 PM EST | Areal Flood Advisory | JAX | Brantley, Charlton, Clinch, Echols, Pierce, Ware | 4 hr |
Nearby
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.