Alert archive / Florida / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 39, NWS Jacksonville, FL

March 13, 20234 counties in Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at Mar 13, 2023, 2:23 AM EDT for 4 counties in Florida. It was in force for 37 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: Mar 13, 2023, 2:23 AM EDT (06:23 UTC)
Expired: Mar 13, 2023, 3:00 AM EDT
In force: 37 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Alachua County, FL, Bradford County, FL, Clay County, FL, Putnam County, FL

The radar

The Jacksonville radar (KJAX), 82 km from the middle of the area, began a volume at 06:22 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 00:00Z, 6.4 hours before the alert went out and 84 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: 106 J/kg
Mixed-layer CIN: -56 J/kg
Mixed-layer LCL: 629 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 112 m²/s²
0-3 km storm-relative helicity: 182 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 Mar 13, 1:24 AM EDT, 59 minutes earlier.

Area forecast discussion, Mar 13, 1:24 AM EDT, 59 minutes before

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In the hours before

Special weather statement, Mar 13, 1:15 AM EDT, 1 hour 8 minutes before

Special Weather Statement
National Weather Service Jacksonville FL
115 AM EDT Mon Mar 13 2023

FLZ030-031-136-232-237-130545-
Eastern Alachua FL-Western Clay FL-Union FL-Western Putnam FL-
Bradford FL-
115 AM EDT Mon Mar 13 2023

...A strong thunderstorm will impact portions of Bradford, north
central Alachua, northwestern Putnam, central Union and southwestern
Clay Counties through 145 AM EDT...

At 115 AM EDT, Doppler radar was tracking a strong thunderstorm over
Lake Butler, moving east at 50 mph.

HAZARD...Winds around 40 mph.

SOURCE...Radar indicated.

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

Locations impacted include...
Starke, Lake Butler, Keystone Heights, Raiford, Worthington Spring,
Middleburg, Worthington Springs, Groves, Beasley and New River.

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 2989 8245 3007 8243 3007 8176 2980 8179
TIME...MOT...LOC 0515Z 274DEG 43KT 2998 8235

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

23

Special weather statement, Mar 13, 1:35 AM EDT, 48 minutes before

Special Weather Statement
National Weather Service Jacksonville FL
135 AM EDT Mon Mar 13 2023

FLZ021-035-136-222-236-130600-
Eastern Alachua FL-Southern Columbia FL-Western Alachua FL-
Suwannee FL-Gilchrist FL-
135 AM EDT Mon Mar 13 2023

...A strong thunderstorm will impact portions of Gilchrist, western
Alachua, southwestern Columbia and southeastern Suwannee Counties
through 200 AM EDT...

At 135 AM EDT, Doppler radar was tracking a strong thunderstorm near
Bell, moving east at 50 mph.

HAZARD...Winds 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...
Trenton, Bell, Alachua, High Springs, Archer, Newberry and La Crosse.

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 2970 8296 2970 8294 2977 8295 2980 8292
      2981 8293 2983 8289 2988 8287 2990 8290
      2989 8292 2992 8292 2985 8237 2948 8242
      2948 8255 2954 8256 2953 8265 2956 8266
      2956 8275 2958 8278 2958 8295 2961 8297
TIME...MOT...LOC 0535Z 274DEG 49KT 2972 8297

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

23

Special weather statement, Mar 13, 1:38 AM EDT, 45 minutes before

Special Weather Statement
National Weather Service Jacksonville FL
138 AM EDT Mon Mar 13 2023

FLZ033-125-132-133-232-325-130615-
Eastern Clay FL-Coastal St. Johns FL-Western Clay FL-
South Central Duval FL-Coastal Duval FL-Inland St. Johns FL-
138 AM EDT Mon Mar 13 2023

...A strong thunderstorm will impact portions of northern St. Johns,
northeastern Clay and southeastern Duval Counties through 215 AM
EDT...

At 137 AM EDT, Doppler radar was tracking a strong thunderstorm over
Switzerland, or over Fruit Cove, moving east at 35 mph.

HAZARD...Winds 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...
Orange Park, Green Cove Springs, Mandarin, Fruit Cove, World Golf
Village, Fleming Island, Nocatee, Durbin, Vilano Beach and
Switzerland.

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 2992 8126 3001 8176 3016 8175 3018 8132
      2998 8125
TIME...MOT...LOC 0537Z 275DEG 30KT 3010 8165

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

23

Special weather statement, Mar 13, 1:57 AM EDT, 26 minutes before

Special Weather Statement
National Weather Service Jacksonville FL
157 AM EDT Mon Mar 13 2023

FLZ031-132-136-137-232-237-130630-
Eastern Clay FL-Eastern Alachua FL-Western Clay FL-Eastern Putnam FL-
Western Putnam FL-Bradford FL-
157 AM EDT Mon Mar 13 2023

...A strong thunderstorm will impact portions of southeastern
Bradford, northeastern Alachua, northwestern Putnam and southern Clay
Counties through 230 AM EDT...

At 156 AM EDT, Doppler radar was tracking a strong thunderstorm
capable of producing a landspout near Orange Heights, or near
Keystone Heights, moving east at 50 mph.

HAZARD...Landspouts and winds around 40 mph.

SOURCE...Radar indicated.

IMPACT...Minor damage to outdoor objects is possible. Gusty winds
         could knock down tree limbs and blow around unsecured
         objects.

Locations impacted include...
Palatka, Keystone Heights, Melrose, East Palatka, George's Lake, Lake
Geneva, Florahome, Bostwick, Melrose Landing and Orange Heights.

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.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 2970 8225 2990 8227 2994 8161 2960 8159
TIME...MOT...LOC 0556Z 275DEG 49KT 2979 8214

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

23

Special weather statement, Mar 13, 2:04 AM EDT, 19 minutes before

Special Weather Statement
National Weather Service Jacksonville FL
204 AM EDT Mon Mar 13 2023

FLZ031-035-136-222-236-130630-
Eastern Alachua FL-Southern Columbia FL-Western Alachua FL-
Bradford FL-Gilchrist FL-
204 AM EDT Mon Mar 13 2023

...A strong thunderstorm will impact portions of east central
Gilchrist, southeastern Bradford, central Alachua and south central
Columbia Counties through 230 AM EDT...

At 204 AM EDT, Doppler radar was tracking a strong thunderstorm near
High Springs, or 12 miles east of Bell, moving east at 50 mph.

HAZARD...Winds around 40 mph.

SOURCE...Radar indicated.

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

Locations impacted include...
Gainesville, Alachua, High Springs, Hawthorne, University Of Florida,
Orange Heights, Gainesville Airport, Newnans Lake, Waldo and Hampton.

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 2967 8281 2990 8271 2986 8207 2959 8210
TIME...MOT...LOC 0604Z 275DEG 49KT 2978 8266

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

23

Special weather statement, Mar 13, 2:14 AM EDT, 9 minutes before

Special Weather Statement
National Weather Service Jacksonville FL
214 AM EDT Mon Mar 13 2023

FLZ033-132-133-137-232-237-130645-
Eastern Clay FL-Coastal St. Johns FL-Western Clay FL-
Eastern Putnam FL-Western Putnam FL-Inland St. Johns FL-
214 AM EDT Mon Mar 13 2023

...A strong thunderstorm will impact portions of St. Johns, north
central Putnam and east central Clay Counties through 245 AM EDT...

At 213 AM EDT, Doppler radar was tracking a strong thunderstorm over
Green Cove Springs, moving east at 45 mph.

HAZARD...Winds around 40 mph.

SOURCE...Radar indicated.

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

Locations impacted include...
Saint Augustine, Green Cove Springs, World Golf Village, Saint
Augustine Beach, Durbin, Vilano Beach, Picolata, Switzerland, South
Ponte Vedra and Crescent Beach.

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 2981 8181 3007 8172 3011 8130 2972 8117
TIME...MOT...LOC 0613Z 274DEG 37KT 2997 8165

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

23

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 12, 8:11 PM EDT	Special Weather Statement	JAX	Columbia	34 min
Mar 12, 8:29 PM EDT	Special Weather Statement	JAX	Lafayette	46 min
Mar 12, 8:46 PM EDT	Special Weather Statement	JAX	Columbia	29 min
Mar 12, 9:41 PM EDT	Special Weather Statement	JAX	Bradford, Union	49 min
Mar 12, 10:05 PM EDT	Special Weather Statement	JAX	Duval	25 min
Mar 12, 10:32 PM EDT	Special Weather Statement	JAX	Saint Johns	28 min
Mar 12, 10:33 PM EDT	Special Weather Statement	JAX	Clay	27 min
Mar 12, 11:02 PM EDT	Special Weather Statement	JAX	Clay, Saint Johns	28 min
Mar 13, 12:11 AM EDT	Special Weather Statement	JAX	Columbia	34 min
Mar 13, 12:24 AM EDT	Special Weather Statement	JAX	Union	36 min
Mar 13, 12:36 AM EDT	Areal Flood Advisory	JAX	Baker, Columbia, Suwannee, Union	3 hr
Mar 13, 12:43 AM EDT	Special Weather Statement	JAX	Union	32 min
Mar 13, 1:04 AM EDT	Areal Flood Advisory	JAX	Alachua, Bradford, Columbia, Suwannee, Union	3 hr
Mar 13, 1:15 AM EDT	Special Weather Statement	JAX	Bradford, Clay, Union	30 min
Mar 13, 1:23 AM EDT	Small Craft Advisory	JAX		61 hr
Mar 13, 1:35 AM EDT	Special Weather Statement	JAX	Gilchrist	25 min
Mar 13, 1:38 AM EDT	Special Weather Statement	JAX	Saint Johns	37 min
Mar 13, 1:39 AM EDT	Special Marine Warning	JAX		66 min
Mar 13, 1:49 AM EDT	Areal Flood Advisory	JAX	Bradford, Clay, Duval, Saint Johns, Union	3 hr
Mar 13, 1:57 AM EDT	Special Weather Statement	JAX	Clay	33 min
Mar 13, 2:03 AM EDT	Areal Flood Advisory	JAX	Alachua, Bradford, Clay, Columbia, Gilchrist, Suwannee and 1 more	3 hr
Mar 13, 2:04 AM EDT	Special Weather Statement	JAX	Alachua	26 min
Mar 13, 2:14 AM EDT	Special Weather Statement	JAX	Saint Johns	31 min
Mar 13, 2:36 AM EDT	Special Marine Warning	JAX		54 min
Mar 13, 2:51 AM EDT	Areal Flood Advisory	JAX	Alachua, Bradford, Clay, Putnam	114 min
Mar 13, 3:00 AM EDT	Special Weather Statement	JAX	Putnam	45 min
Mar 13, 3:18 AM EDT	Severe Thunderstorm Warning	JAX	Alachua, Marion, Putnam	42 min
Mar 13, 3:32 AM EDT	Tornado Warning	JAX	Marion, Putnam	28 min
Mar 13, 3:50 AM EDT	Special Weather Statement	JAX	Flagler, Putnam	55 min
Mar 13, 4:10 AM EDT	Special Weather Statement	JAX	Putnam	35 min
Mar 13, 4:29 AM EDT	Areal Flood Advisory	JAX	Flagler, Putnam	3 hr
Mar 13, 4:29 AM EDT	Areal Flood Advisory	JAX	Alachua, Marion	2 hr
Mar 13, 5:04 AM EDT	Special Weather Statement	JAX	Flagler	41 min
Mar 13, 5:24 AM EDT	Areal Flood Advisory	JAX	Flagler, Putnam	110 min
Mar 13, 5:38 AM EDT	Areal Flood Warning	JAX	Flagler	98 min
Mar 13, 5:40 AM EDT	Special Weather Statement	JAX	Marion	50 min
Mar 13, 6:27 AM EDT	Special Weather Statement	JAX	Marion	33 min
Mar 13, 6:55 AM EDT	Special Weather Statement	JAX	Marion	20 min
Mar 13, 11:16 AM EDT	Special Weather Statement	JAX	Marion	44 min
Mar 13, 11:19 AM EDT	Special Weather Statement	JAX	Flagler	41 min

Nearby

Severe Thunderstorm Warnings in Florida, 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.