Alert archive / Georgia / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 92, NWS Jacksonville, FL

April 27, 2023Glynn County, Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Apr 27, 2023, 5:11 PM EDT for Glynn County, Georgia. It was in force for 49 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 27, 2023, 5:11 PM EDT (21:11 UTC)
Expired: Apr 27, 2023, 6:00 PM EDT
In force: 49 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 21:13 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 27, 2:46 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 9.2 hours before the alert went out and 82 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 730 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 751 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 165 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.6

Open this sounding in Storm Lab

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 27, 3:07 PM EDT, 2 hours 4 minutes earlier.

Area forecast discussion, Apr 27, 3:07 PM EDT, 2 hours 4 minutes before

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In the hours before

Local storm report, Apr 27, 4:42 PM EDT, 29 minutes before

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Local storm report, Apr 27, 4:47 PM EDT, 24 minutes before

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Special weather statement, Apr 27, 4:48 PM EDT, 23 minutes before

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Local storm report, Apr 27, 4:56 PM EDT, 15 minutes before

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Local storm report, Apr 27, 5:02 PM EDT, 9 minutes before

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Local storm report, Apr 27, 5:07 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 26, 8:01 PM EDT	Areal Flood Advisory	JAX	Alachua	59 min
Apr 26, 8:08 PM EDT	Special Weather Statement	JAX	Hamilton	37 min
Apr 26, 8:11 PM EDT	Special Weather Statement	JAX	Marion	34 min
Apr 26, 8:14 PM EDT	Special Weather Statement	JAX	Marion	46 min
Apr 26, 8:23 PM EDT	Severe Thunderstorm Warning	JAX	Marion	37 min
Apr 26, 8:25 PM EDT	Severe Thunderstorm Warning	JAX	Marion	35 min
Apr 26, 8:49 PM EDT	Special Weather Statement	JAX	Marion	41 min
Apr 26, 8:56 PM EDT	Special Weather Statement	JAX	Putnam	34 min
Apr 26, 9:04 PM EDT	Special Weather Statement	JAX	Marion	56 min
Apr 26, 9:20 PM EDT	Severe Thunderstorm Warning	JAX	Marion	40 min
Apr 26, 9:29 PM EDT	Special Weather Statement	JAX	Baker	31 min
Apr 26, 9:56 PM EDT	Severe Thunderstorm Warning	JAX	Marion	34 min
Apr 26, 10:00 PM EDT	Special Weather Statement	JAX	Baker	30 min
Apr 27, 3:23 AM EDT	Rip Current Statement	JAX	Duval, Flagler, Nassau	24 hr
Apr 27, 2:03 PM EDT	Special Weather Statement	JAX	Gilchrist	27 min
Apr 27, 2:22 PM EDT	Special Weather Statement	JAX	Alachua	23 min
Apr 27, 2:35 PM EDT	Special Weather Statement	JAX	Suwannee	40 min
Apr 27, 2:56 PM EDT	Special Weather Statement	JAX	Alachua	34 min
Apr 27, 3:01 PM EDT	Special Weather Statement	JAX	Duval	29 min
Apr 27, 3:09 PM EDT	Special Weather Statement	JAX	Columbia	36 min
Apr 27, 3:16 PM EDT	Special Weather Statement	JAX	Bradford	29 min
Apr 27, 3:21 PM EDT	Special Weather Statement	JAX	Hamilton	24 min
Apr 27, 3:28 PM EDT	Special Weather Statement	JAX	Duval	32 min
Apr 27, 3:38 PM EDT	Severe Thunderstorm Warning	JAX	Clay, Duval	37 min
Apr 27, 3:41 PM EDT	Special Weather Statement	JAX	Bradford	34 min
Apr 27, 3:56 PM EDT	Special Marine Warning	JAX		2 hr
Apr 27, 3:57 PM EDT	Severe Thunderstorm Warning	JAX	Clay, Putnam	33 min
Apr 27, 4:02 PM EDT	Severe Thunderstorm Warning Considerable damage threat	JAX	Clay, Duval, Saint Johns	43 min
Apr 27, 4:05 PM EDT	Severe Thunderstorm Warning	JAX	Hamilton	40 min
Apr 27, 4:22 PM EDT	Special Weather Statement	JAX	Saint Johns	53 min
Apr 27, 4:26 PM EDT	Special Marine Warning	JAX		2 hr
Apr 27, 4:37 PM EDT	Severe Thunderstorm Warning	JAX	Putnam, Saint Johns	38 min
Apr 27, 4:44 PM EDT	Severe Thunderstorm Warning	JAX	Duval, Saint Johns	46 min
Apr 27, 4:48 PM EDT	Special Weather Statement	JAX	Hamilton	87 min
Apr 27, 5:14 PM EDT	Severe Thunderstorm Warning Considerable damage threat	JAX	Flagler, Saint Johns	47 min
Apr 27, 5:33 PM EDT	Special Weather Statement	JAX	Duval	42 min
Apr 27, 5:37 PM EDT	Special Weather Statement	JAX	Flagler	38 min
Apr 27, 5:43 PM EDT	Special Marine Warning	JAX		47 min
Apr 27, 5:50 PM EDT	Areal Flood Advisory	JAX	Duval, Saint Johns	55 min
Apr 27, 6:31 PM EDT	Special Marine Warning	JAX		59 min
Apr 27, 7:03 PM EDT	Special Weather Statement	JAX	Hamilton	57 min
Apr 27, 7:43 PM EDT	Special Marine Warning	JAX		92 min
Apr 27, 7:49 PM EDT	Special Weather Statement	JAX	Columbia, Gilchrist, Hamilton, Suwannee	41 min
Apr 27, 7:56 PM EDT	Special Marine Warning	JAX		64 min
Apr 26, 11:26 PM EDT	Special Weather Statement	JAX	Jeff Davis	34 min
Apr 27, 2:27 PM EDT	Special Weather Statement	JAX	Pierce	33 min
Apr 27, 3:18 PM EDT	Special Weather Statement	JAX	Pierce	27 min
Apr 27, 3:54 PM EDT	Special Weather Statement	JAX	Wayne	36 min
Apr 27, 3:59 PM EDT	Special Weather Statement	JAX	Echols	31 min
Apr 27, 4:15 PM EDT	Severe Thunderstorm Warning	JAX	Brantley, Wayne	45 min
Apr 27, 4:56 PM EDT	Severe Thunderstorm Warning	JAX	Glynn, Wayne	49 min
Apr 27, 5:52 PM EDT	Special Weather Statement	JAX	Brantley, Pierce, Wayne	53 min
Apr 27, 5:59 PM EDT	Areal Flood Warning	JAX	Pierce, Ware	91 min
Apr 27, 6:20 PM EDT	Special Weather Statement	JAX	Charlton	40 min
Apr 27, 6:31 PM EDT	Areal Flood Advisory	JAX	Glynn	59 min
Apr 27, 6:36 PM EDT	Special Weather Statement	JAX	Brantley	24 min
Apr 27, 6:45 PM EDT	Areal Flood Advisory	JAX	Brantley, Pierce, Ware	2 hr
Apr 27, 6:47 PM EDT	Areal Flood Warning	JAX	Brantley, Camden, Charlton	3 hr
Apr 27, 6:51 PM EDT	Special Weather Statement	JAX	Charlton	24 min
Apr 27, 6:57 PM EDT	Special Weather Statement	JAX	Camden, Glynn	48 min
Apr 27, 7:15 PM EDT	Special Weather Statement	JAX	Camden	30 min
Apr 27, 7:24 PM EDT	Areal Flood Warning	JAX	Glynn	3 hr
Apr 27, 7:37 PM EDT	Areal Flood Advisory	JAX	Brantley, Camden, Glynn	3 hr
Apr 27, 7:45 PM EDT	Special Weather Statement	JAX	Camden, Glynn	45 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2023 Every severe thunderstorm warning in 2023

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.