Alert archive / Georgia / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 14, NWS Jacksonville, FL

April 7, 2018Glynn County, Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Apr 7, 2018, 2:55 PM EDT for Glynn County, Georgia. It was in force for 21 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: Apr 7, 2018, 2:55 PM EDT (18:55 UTC)
Expired: Apr 7, 2018, 3:16 PM EDT
In force: 21 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Glynn County, GA

The radar

The Jacksonville radar (KJAX), 83 km from the middle of the area, began a volume at 18:55 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.

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 Apr 7, 12:35 PM EDT, 2 hours 20 minutes earlier.

Area forecast discussion, Apr 7, 12:35 PM EDT, 2 hours 20 minutes before

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In the hours before

Special weather statement, Apr 7, 12:48 PM EDT, 2 hours 7 minutes before

Special Weather Statement
National Weather Service Jacksonville FL
1248 PM EDT SAT APR 7 2018

FLZ020-GAZ162-071730-
Hamilton FL-Echols GA-
1248 PM EDT SAT APR 7 2018

...SIGNIFICANT WEATHER ADVISORY FOR HAMILTON AND SOUTHWESTERN ECHOLS
COUNTIES UNTIL 130 PM EDT...

At 1248 PM EDT, Doppler radar was tracking a strong thunderstorm near
Crossroads, or near Jennings, moving east at 35 mph.

Nickel size hail and wind gusts of 45 to 55 mph can be expected along
with possible minor damage.

Locations impacted include...
Jasper, Jennings, Blue Springs and Crossroads.

LAT...LON 3061 8326 3063 8319 3063 8314 3064 8314
      3073 8277 3073 8275 3057 8272 3056 8273
      3053 8271 3053 8273 3050 8271 3049 8270
      3043 8321
TIME...MOT...LOC 1648Z 256DEG 30KT 3054 8315

SHULER

Special weather statement, Apr 7, 2:04 PM EDT, 51 minutes before

Special Weather Statement
National Weather Service Jacksonville FL
204 PM EDT SAT APR 7 2018

FLZ020>022-GAZ150-071830-
Columbia FL-Hamilton FL-Suwannee FL-Ware GA-
204 PM EDT SAT APR 7 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN COLUMBIA...SUWANNEE...
EASTERN HAMILTON AND SOUTH CENTRAL WARE COUNTIES UNTIL 230 PM EDT...

At 204 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Jasper to near Luraville. Movement was
east at 20 mph.

Nickel size hail and wind gusts of 45 to 55 mph can be expected along
with possible minor damage.

Locations impacted include...
Live Oak, Jasper, White Springs, Suwannee Springs, Suwannee Valley,
Belmont, Luraville, Mcalpin, Wellborn and Dowling Park.

LAT...LON 3023 8325 3061 8291 3058 8246 3060 8242
      3066 8243 3066 8236 3002 8291 3005 8304
      3011 8312 3011 8316 3009 8319 3012 8323
TIME...MOT...LOC 1804Z 274DEG 18KT 3057 8288 3017 8323

SANDRIK

Special weather statement, Apr 7, 2:32 PM EDT, 23 minutes before

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Special weather statement, Apr 7, 2:43 PM EDT, 12 minutes before

Special Weather Statement
National Weather Service Jacksonville FL
243 PM EDT SAT APR 7 2018

GAZ153-154-166-071915-
Inland Glynn GA-Coastal Glynn GA-Coastal Camden GA-
243 PM EDT SAT APR 7 2018

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL GLYNN COUNTY UNTIL 315 PM
EDT...

At 242 PM EDT, Doppler radar was tracking a strong thunderstorm over
Dock Junction, moving northeast at 45 mph.

Wind gusts of 45 to 55 mph can be expected along with possible minor
wind damage. Small hail up to dime size also possible with this
storm.

Locations impacted include...
Brunswick, St. Simons Island, Dock Junction, Country Club Estates and
Sea Island.

LAT...LON 3120 8125 3118 8129 3109 8157 3114 8162
      3119 8165 3133 8144 3131 8144 3128 8139
      3129 8139 3128 8138 3130 8137 3131 8134
      3130 8133 3130 8134 3128 8132 3128 8126
      3127 8122
TIME...MOT...LOC 1842Z 240DEG 38KT 3118 8154

MCGINNIS

Special weather statement, Apr 7, 2:51 PM EDT, 4 minutes before

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The office that day

Everything else NWS Jacksonville, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 7, 12:45 PM EDT	Wind Advisory	JAX	Baker, Bradford, Duval, Flagler, Nassau, Union	7 hr
Apr 7, 12:48 PM EDT	Special Weather Statement	JAX	Hamilton	42 min
Apr 7, 12:55 PM EDT	Small Craft Advisory	JAX		15 hr
Apr 7, 2:04 PM EDT	Special Weather Statement	JAX	Hamilton, Suwannee	26 min
Apr 7, 2:11 PM EDT	Severe Thunderstorm Warning	JAX	Baker, Bradford, Union	17 min
Apr 7, 2:32 PM EDT	Special Weather Statement	JAX	Baker, Columbia	28 min
Apr 7, 2:56 PM EDT	Special Marine Warning	JAX		34 min
Apr 7, 2:58 PM EDT	Severe Thunderstorm Warning	JAX	Columbia, Suwannee	32 min
Apr 7, 3:14 PM EDT	Special Marine Warning	JAX		61 min
Apr 7, 3:21 PM EDT	Special Weather Statement	JAX	Saint Johns	24 min
Apr 7, 3:23 PM EDT	Special Marine Warning	JAX		67 min
Apr 7, 3:24 PM EDT	Special Weather Statement	JAX	Baker, Bradford, Columbia, Duval, Gilchrist, Union	36 min
Apr 7, 3:31 PM EDT	Severe Thunderstorm Warning	JAX	Columbia	29 min
Apr 7, 4:07 PM EDT	Special Weather Statement	JAX	Columbia, Gilchrist	23 min
Apr 7, 4:10 PM EDT	Special Weather Statement	JAX	Duval	35 min
Apr 7, 4:31 PM EDT	Special Weather Statement	JAX	Alachua, Bradford, Gilchrist, Union	29 min
Apr 7, 4:34 PM EDT	Special Weather Statement	JAX	Duval	26 min
Apr 7, 4:49 PM EDT	Special Marine Warning	JAX		56 min
Apr 7, 5:08 PM EDT	Special Weather Statement	JAX	Alachua, Bradford, Clay, Marion	52 min
Apr 7, 5:56 PM EDT	Special Weather Statement	JAX	Flagler, Marion, Putnam, Saint Johns	49 min
Apr 7, 6:10 PM EDT	Special Marine Warning	JAX		65 min
Apr 7, 6:45 PM EDT	Special Weather Statement	JAX	Flagler	15 min
Apr 7, 7:03 PM EDT	Special Marine Warning	JAX		57 min
Apr 7, 2:43 PM EDT	Special Weather Statement	JAX	Glynn	32 min
Apr 7, 2:51 PM EDT	Special Weather Statement	JAX	Camden	24 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2018 Every 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; radar from the NEXRAD Level II archive.