Alert archive / Florida / Tornado Warnings in 2024

Tornado Warning 37, NWS Jacksonville, FL

April 11, 2024Suwannee County, Florida

NWS Jacksonville, FL issued this tornado warning at Apr 11, 2024, 7:42 AM EDT for Suwannee County, Florida. It was in force for 18 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 11, 2024, 7:42 AM EDT (11:42 UTC)
Expired: Apr 11, 2024, 8:00 AM EDT
In force: 18 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Suwannee County, FL

The radar

The Moody AFB radar (KVAX), 77 km from the middle of the area, began a volume at 11:41 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 11, 7:32 AM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 11.7 hours before the alert went out and 128 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: 89 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 689 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 307 m²/s²
0-3 km storm-relative helicity: 404 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this tornado 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 tornado warning went out at Apr 11, 7:37 AM EDT, 5 minutes earlier.

Area forecast discussion, Apr 11, 7:37 AM EDT, 5 minutes before

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In the hours before

Special weather statement, Apr 11, 4:51 AM EDT, 2 hours 51 minutes before

Special Weather Statement
National Weather Service Jacksonville FL
451 AM EDT Thu Apr 11 2024

GAZ162-163-350-364-110930-
Clinch GA-Western Charlton GA-Echols GA-Southern Ware GA-
451 AM EDT Thu Apr 11 2024

...STRONG THUNDERSTORMS WILL IMPACT EAST CENTRAL ECHOLS...SOUTH
CENTRAL WARE...SOUTHEASTERN CLINCH AND WEST CENTRAL CHARLTON COUNTIES
THROUGH 530 AM EDT...

At 451 AM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from 12 miles northwest of Fargo to near Needmore.
Movement was east at 45 mph.

HAZARD...Wind gusts of 45 to 55 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Fargo and Needmore.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3094 8238 3082 8237 3062 8246 3067 8277
      3089 8272
TIME...MOT...LOC 0851Z 266DEG 38KT 3085 8266 3071 8270

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH

SHASHY

Local storm report, Apr 11, 5:06 AM EDT, 2 hours 36 minutes before

Preliminary Local Storm Report
National Weather Service Jacksonville FL
506 AM EDT Thu Apr 11 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0140 AM     Non-Tstm Wnd Gst 2 WNW Mayport           30.39N 81.44W
04/11/2024  M41 MPH          AMZ452             FL   Mesonet

            Mesonet station 1483W Fswn Jfrd Station 40.

&&

abe

Special weather statement, Apr 11, 5:20 AM EDT, 2 hours 22 minutes before

Special Weather Statement
National Weather Service Jacksonville FL
520 AM EDT Thu Apr 11 2024

FLZ024-GAZ165-264-350-364-111000-
Inland Nassau FL-Northeastern Charlton GA-Inland Camden GA-
Western Charlton GA-Southern Ware GA-
520 AM EDT Thu Apr 11 2024

...STRONG THUNDERSTORMS WILL IMPACT NORTHWESTERN NASSAU...WESTERN
CAMDEN...SOUTHEASTERN WARE AND CHARLTON COUNTIES THROUGH 600 AM
EDT...

At 519 AM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from 8 miles north of Stephen Foster State Park to
12 miles east of Fargo. Movement was east at 35 mph.

HAZARD...Wind gusts of 40 to 55 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Hilliard, Folkston, Stephen Foster State Park, Homeland, Kings Ferry,
and Tarboro.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3107 8181 3084 8178 3058 8194 3067 8243
      3094 8238
TIME...MOT...LOC 0919Z 267DEG 30KT 3094 8231 3068 8237

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH

SHASHY

Local storm report, Apr 11, 5:24 AM EDT, 2 hours 18 minutes before

Preliminary Local Storm Report
National Weather Service Jacksonville FL
524 AM EDT Thu Apr 11 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0510 AM     Rain             6 N Blue Springs        30.57N 83.21W
04/11/2024  M4.37 Inch       Hamilton           FL   Mesonet

            Measured rainfall within the past 6 hours
            was 4.37 inches at the mesonet station 7243D
            5 N Blue Springs.

&&

abe

Special weather statement, Apr 11, 5:53 AM EDT, 1 hour 49 minutes before

Special Weather Statement
National Weather Service Jacksonville FL
553 AM EDT Thu Apr 11 2024

FLZ024-124-GAZ136-151>154-165-166-264-350-364-111100-
Inland Nassau FL-Coastal Nassau FL-Pierce GA-
Northeastern Charlton GA-Inland Glynn GA-Inland Camden GA-
Coastal Glynn GA-Western Charlton GA-Brantley GA-Coastal Camden GA-
Wayne GA-Southern Ware GA-
553 AM EDT Thu Apr 11 2024

...STRONG THUNDERSTORMS WILL IMPACT NORTHERN NASSAU...CAMDEN...
GLYNN...SOUTHEASTERN PIERCE...BRANTLEY...SOUTHEASTERN WARE...EASTERN
WAYNE AND NORTHEASTERN CHARLTON COUNTIES THROUGH 700 AM EDT...

At 553 AM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Doctortown to 7 miles north of St. George.
Movement was east at 45 mph.

HAZARD...Wind gusts around 40 mph and minor flooding due to heavy
         rainfall.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor flooding due to heavy rainfall is
         possible.

Locations impacted include...
St. Marys, Kingsland, Brunswick, St. Simons Island, Fernandina Beach,
Jesup, Hilliard, Folkston, Woodbine, and Nahunta.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3118 8126 3110 8137 3079 8142 3065 8140
      3058 8188 3059 8224 3172 8189 3167 8185
      3158 8170 3148 8162 3143 8161 3136 8152
      3133 8144 3128 8139 3129 8139 3131 8134
      3128 8132 3128 8123
TIME...MOT...LOC 0953Z 278DEG 41KT 3160 8179 3061 8209

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

SHASHY

Special weather statement, Apr 11, 7:02 AM EDT, 40 minutes before

Special Weather Statement
National Weather Service Jacksonville FL
702 AM EDT Thu Apr 11 2024

GAZ162-163-250-350-111200-
Clinch GA-Echols GA-Northern Ware GA-Southern Ware GA-
702 AM EDT Thu Apr 11 2024

...A STRONG THUNDERSTORM WILL IMPACT ECHOLS...CENTRAL WARE AND CLINCH
COUNTIES THROUGH 800 AM EDT...

At 702 AM EDT, Doppler radar was tracking clusters of showers and
thunderstorms centered near Mayday, or 9 miles northeast of
Statenville, moving northeast at 50 mph.

HAZARD...Wind gusts of 40 to 55 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Homerville, Argyle, Statenville, Du Pont, Boggy Bay, Mayday,
Needmore, Manor, Cogdell, and Braganza.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3080 8313 3081 8310 3085 8309 3085 8301
      3087 8297 3118 8297 3119 8227 3117 8222
      3101 8235 3101 8241 3092 8242 3060 8268
      3063 8314
TIME...MOT...LOC 1102Z 225DEG 43KT 3080 8291

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH

SHASHY

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 11, 4:22 AM EDT	Areal Flood Advisory	JAX	Hamilton	3 hr
Apr 11, 5:10 AM EDT	Areal Flood Warning	JAX	Hamilton	3 hr
Apr 11, 5:53 AM EDT	Special Weather Statement	JAX	Nassau	67 min
Apr 11, 6:11 AM EDT	Severe Thunderstorm Warning	JAX	Hamilton	49 min
Apr 11, 6:24 AM EDT	Special Marine Warning	JAX		66 min
Apr 11, 6:53 AM EDT	Severe Thunderstorm Warning	JAX	Hamilton, Suwannee	52 min
Apr 11, 7:24 AM EDT	Special Marine Warning	JAX		66 min
Apr 11, 7:24 AM EDT	Tornado Warning	JAX	Suwannee	21 min
Apr 11, 7:58 AM EDT	Severe Thunderstorm Warning	JAX	Columbia, Hamilton, Suwannee	32 min
Apr 11, 8:04 AM EDT	Areal Flood Advisory	JAX	Columbia, Hamilton, Suwannee	3 hr
Apr 11, 8:27 AM EDT	Special Weather Statement	JAX	Baker, Columbia	33 min
Apr 11, 8:40 AM EDT	Areal Flood Advisory	JAX	Baker, Columbia, Hamilton, Suwannee	3 hr
Apr 11, 8:43 AM EDT	Special Marine Warning	JAX		47 min
Apr 11, 8:58 AM EDT	Special Weather Statement	JAX	Baker, Columbia, Gilchrist	17 min
Apr 11, 9:15 AM EDT	Special Weather Statement	JAX	Baker, Gilchrist	15 min
Apr 11, 9:31 AM EDT	Special Weather Statement	JAX	Gilchrist	14 min
Apr 11, 9:44 AM EDT	Special Weather Statement	JAX	Baker, Union	16 min
Apr 11, 9:46 AM EDT	River Flood Warning	JAX	Hamilton, Suwannee	47 hr
Apr 11, 9:46 AM EDT	Special Weather Statement	JAX	Gilchrist	14 min
Apr 11, 9:48 AM EDT	River Flood Warning	JAX	Columbia, Hamilton, Suwannee	36 hr
Apr 11, 9:49 AM EDT	Special Weather Statement	JAX	Nassau	11 min
Apr 11, 9:58 AM EDT	Special Weather Statement	JAX	Nassau	17 min
Apr 11, 10:05 AM EDT	Severe Thunderstorm Warning	JAX	Marion	25 min
Apr 11, 10:13 AM EDT	Special Weather Statement	JAX	Nassau	17 min
Apr 11, 10:23 AM EDT	Special Marine Warning	JAX		67 min
Apr 11, 10:24 AM EDT	Special Weather Statement	JAX	Marion	36 min
Apr 11, 10:26 AM EDT	Special Weather Statement	JAX	Nassau	19 min
Apr 11, 10:34 AM EDT	Special Weather Statement	JAX	Clay	26 min
Apr 11, 10:38 AM EDT	Special Weather Statement	JAX	Putnam	22 min
Apr 11, 10:53 AM EDT	Special Weather Statement	JAX	Duval	22 min
Apr 11, 10:57 AM EDT	Special Weather Statement	JAX	Clay	18 min
Apr 11, 11:05 AM EDT	Severe Thunderstorm Warning Considerable damage threat	JAX	Clay, Putnam, Saint Johns	25 min
Apr 11, 11:27 AM EDT	Severe Thunderstorm Warning Considerable damage threat	JAX	Clay, Saint Johns	18 min
Apr 11, 11:29 AM EDT	Tornado Warning	JAX	Clay, Saint Johns	16 min
Apr 11, 11:34 AM EDT	Severe Thunderstorm Warning Considerable damage threat	JAX	Marion	26 min
Apr 11, 11:36 AM EDT	Special Marine Warning	JAX		70 min
Apr 11, 11:41 AM EDT	Tornado Warning	JAX	Saint Johns	19 min
Apr 11, 11:54 AM EDT	Severe Thunderstorm Warning Considerable damage threat	JAX	Marion	21 min
Apr 11, 12:03 PM EDT	Special Weather Statement	JAX	Putnam	42 min
Apr 11, 12:04 PM EDT	Special Weather Statement	JAX	Putnam	41 min
Apr 11, 12:09 PM EDT	Special Weather Statement	JAX	Duval	21 min
Apr 11, 12:18 PM EDT	Severe Thunderstorm Warning	JAX	Flagler, Marion, Putnam	27 min
Apr 11, 12:20 PM EDT	Special Weather Statement	JAX	Marion	25 min
Apr 11, 12:22 PM EDT	Special Weather Statement	JAX	Clay	23 min
Apr 11, 12:40 PM EDT	Tornado Warning	JAX	Flagler, Putnam	35 min
Apr 11, 12:45 PM EDT	Special Marine Warning	JAX		60 min
Apr 11, 12:49 PM EDT	Special Weather Statement	JAX	Saint Johns	26 min
Apr 11, 12:52 PM EDT	Special Weather Statement	JAX	Marion, Putnam	23 min
Apr 11, 12:59 PM EDT	Severe Thunderstorm Warning Considerable damage threat	JAX	Flagler	16 min
Apr 11, 1:13 PM EDT	Special Weather Statement	JAX	Flagler	17 min
Apr 11, 1:18 PM EDT	Special Weather Statement	JAX	Flagler	27 min
Apr 11, 1:20 PM EDT	Special Marine Warning	JAX		55 min
Apr 11, 1:31 PM EDT	Special Weather Statement	JAX	Flagler	29 min
Apr 11, 1:41 PM EDT	Severe Thunderstorm Warning	JAX	Flagler	19 min
Apr 11, 1:49 PM EDT	Special Marine Warning	JAX		56 min
Apr 11, 2:01 PM EDT	Special Weather Statement	JAX	Flagler	14 min
Apr 11, 2:23 PM EDT	Special Weather Statement	JAX	Flagler	37 min
Apr 11, 4:51 AM EDT	Special Weather Statement	JAX	Clinch	39 min
Apr 11, 5:20 AM EDT	Special Weather Statement	JAX	Charlton	40 min
Apr 11, 5:36 AM EDT	Areal Flood Warning	JAX	Atkinson, Clinch, Coffee, Pierce, Ware	3 hr
Apr 11, 5:50 AM EDT	Areal Flood Advisory	JAX	Appling, Bacon, Coffee, Pierce, Ware, Wayne	3 hr
Apr 11, 7:02 AM EDT	Special Weather Statement	JAX	Clinch, Echols, Ware	58 min
Apr 11, 7:39 AM EDT	Areal Flood Advisory	JAX	Brantley, Camden, Charlton, Clinch, Echols, Ware	3 hr
Apr 11, 7:58 AM EDT	Special Weather Statement	JAX	Clinch	47 min
Apr 11, 8:19 AM EDT	Areal Flood Advisory	JAX	Camden, Charlton, Glynn	3 hr
Apr 11, 8:41 AM EDT	Special Weather Statement	JAX	Camden	34 min
Apr 11, 9:48 AM EDT	River Flood Warning	JAX	Echols	21 days
Apr 11, 10:05 AM EDT	Areal Flood Warning	JAX	Camden, Glynn	115 min
Apr 11, 10:25 AM EDT	Special Weather Statement	JAX	Camden	20 min
Apr 11, 11:09 AM EDT	Special Weather Statement	JAX	Camden, Glynn	36 min

Nearby

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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.