Alert archive / Florida / Tornado Warnings in 2024

Tornado Warning 73, NWS Jacksonville, FL

September 26, 2024Columbia County, Hamilton County, Florida

NWS Jacksonville, FL issued this tornado warning at Sep 26, 2024, 11:04 PM EDT for Columbia County, Hamilton County, Florida. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Sep 26, 2024, 11:04 PM EDT (03:04 UTC)
Expired
Sep 26, 2024, 11:30 PM EDT
In force
26 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon
Tornado
Observed
Hail
0.75 in

Counties Columbia County, FL, Hamilton County, FL

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this tornado warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

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

IssuedProductOfficeLasted
Sep 26, 7:50 PM EDTTornado WatchSPC9 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 3.1 hours before the alert went out and 92 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-pSkew-T log-p diagram, Jacksonville, FL at 00:00Z on 2024-09-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 628 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 00:00Z on 2024-09-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 501 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
628 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
882 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
501 m²/s²
0-3 km storm-relative helicity
614 m²/s²
Significant tornado parameter
1.7
Supercell composite
22.0

Open this sounding in Storm Lab

The text

As transmitted.

827 
WFUS52 KJAX 270304
TORJAX
FLC023-047-270330-
/O.NEW.KJAX.TO.W.0073.240927T0304Z-240927T0330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jacksonville FL
Issued by National Weather Service New Orleans LA
1104 PM EDT Thu Sep 26 2024

The National Weather Service in Jacksonville has issued a

* Tornado Warning for...
  Northern Columbia County in northern Florida...
  Southeastern Hamilton County in northern Florida...

* Until 1130 PM EDT.

* At 1104 PM EDT, a confirmed tornado was located near Belmont, or 7
  miles northeast of White Springs, moving north at 30 mph.

  HAZARD...Damaging tornado.

  SOURCE...Emergency management confirmed tornado.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* The tornado will be near...
  Belmont around 1110 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 3016 8256 3014 8268 3050 8282 3054 8251
TIME...MOT...LOC 0304Z 172DEG 16KT 3042 8267 

TORNADO...OBSERVED
MAX HAIL SIZE...<.75 IN

$$

HRL
1 follow-up statement
858 
WWUS52 KJAX 270323
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
Issued by National Weather Service New Orleans LA
1123 PM EDT Thu Sep 26 2024

FLC023-047-270333-
/O.EXP.KJAX.TO.W.0073.000000T0000Z-240927T0330Z/
Columbia FL-Hamilton FL-
1123 PM EDT Thu Sep 26 2024

...THE TORNADO WARNING FOR NORTHERN COLUMBIA AND SOUTHEASTERN
HAMILTON COUNTIES WILL EXPIRE AT 1130 PM EDT...

The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

A Tornado Watch remains in effect until 600 AM EDT for northern
Florida.

&&

LAT...LON 3016 8256 3014 8268 3050 8282 3054 8251
TIME...MOT...LOC 0323Z 172DEG 16KT 3024 8264 

$$

HRL

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 Sep 26, 7:35 PM EDT, 3 hours 29 minutes earlier.

Area forecast discussion, Sep 26, 7:35 PM EDT, 3 hours 29 minutes before
Area Forecast Discussion
National Weather Service Jacksonville FL
735 PM EDT Thu Sep 26 2024

...New AVIATION...

.NEAR TERM...
Issued at 147 PM EDT Thu Sep 26 2024

For the latest NE FL and SE GA Daily Key Messages please visit:
https://www.weather.gov/media/jax/briefings/nws-jax-briefing.pdf

Hurricane Helene is expected to make landfall along the big bend of
FL this evening, then track to the north. Winds will subside
greatly toward dawn as the system moves away. Precipitation
chances will trail off quickly overnight as well. Lows will range
from the lower 70s inland, to the upper 70s coast.

For additional information on local impacts from Helene, please
refer to the Hurricane Local Statement product, HLS.

&&

.SHORT TERM...
(Friday through Saturday night)
Issued at 147 PM EDT Thu Sep 26 2024

The remnants of Helene will move well to the north northwest of
the area during the day Friday, with a cold front extending from
it, stretching down the east coast, and across central FL. Friday
will largely be a dry day, except for a few showers and storms
along the frontal boundary. Away from this boundary, sunshine will
increase during the afternoon. Highs Friday will range from the
mid 80s inland to the around 90 along the coast.

The region will remain between the remnant tropical low well to the
northwest, and frontal boundary to the southeast Friday night. This
front will drift north into northern FL during the day Saturday. As
the front moves back into area, precipitation chances will increase
from south to north during the day Saturday. Lows Friday night and
Saturday night will range from the mid 60s inland SE GA, to the mid
70s along the coast. Highs Saturday will generally range in the mid
to upper 90s.

&&

.LONG TERM...
(Sunday through next Thursday)
Issued at 147 PM EDT Thu Sep 26 2024

Cold frontal boundaries will affect the region through Wednesday,
bringing chances for showers and storms. The front is expected to
push to the south on Thursday, as high pressure builds to the
northwest. The best chances for precipitation this period will be
across NE FL. Temperatures will trend above normal through
Wednesday, then trend near normal Thursday.

&&

.AVIATION...
(00Z TAFS)
Issued at 724 PM EDT Thu Sep 26 2024

Hurricane Helene will move onshore along the Big Bend area and
continue northward with Tropical Storm force winds affecting sites
overnight and into Friday morning. Sustained winds of about 30
knots with gusts of up to 45 to 50 knots will build out of the
southeast and shift to become more out of the south and southwest
between 08z and 14z as Helene continues northward. Showers and
thunderstorms will persist overnight, dispersing and moving out of
the region by around 14z. Dry weather conditions are expected to
develop on Friday following the Hurricane passage.

&&

.MARINE...

Hurricane Helene is expected to make landfall in the big bend
region of FL this evening. Helene will quickly move north
northwest of the area Tonight into Friday morning. Conditions
will improve during the day on Friday, as remnants of the
tropical system moves further away to the northwest. A frontal
zone will near area through the weekend into early next week.

Rip Currents: High through Friday

&&

.PRELIMINARY POINT TEMPS/POPS...
AMG  72  84  66  86 / 100  20   0   0
SSI  79  88  73  87 /  80  30   0  10
JAX  78  90  72  90 /  90  30   0  20
SGJ  78  91  74  89 /  70  30  10  30
GNV  75  87  71  88 /  90  30  10  20
OCF  76  88  74  88 /  90  40  20  30

&&

.JAX WATCHES/WARNINGS/ADVISORIES...
FL...Tropical Storm Warning for FLZ023-024-030-031-033-038-124-125-
     132-133-136>138-140-225-232-237-240-325-425.

     Flood Watch through Friday morning for FLZ021-023-024-030-031-
     033-035-038-120-124-125-132-133-136>138-140-220-225-232-236-
     237-240-322-325-340-422-425-522.

     Hurricane Warning for FLZ021-035-120-220-236-322-340-422-522.

     Coastal Flood Advisory until 8 AM EDT Friday for FLZ033-038-132-
     137.

     Coastal Flood Warning until 8 AM EDT Friday for FLZ124-125-133-
     138-225-325.

     High Rip Current Risk through Friday evening for FLZ124-125-133-
     138.

     High Surf Advisory until 4 PM EDT Friday for FLZ124-125-133-138.

GA...Tropical Storm Warning for GAZ134>136-151>154-165-166-250-264-
     350-364.

     Flood Watch through Friday morning for GAZ132>136-149-151>154-
     162-163-165-166-250-264-350-364.

     Hurricane Warning for GAZ132-133-149-162-163.

     Coastal Flood Warning until 8 AM EDT Friday for GAZ154-166.

     High Rip Current Risk through Friday evening for GAZ154-166.

     High Surf Advisory until 4 PM EDT Friday for GAZ154-166.

AM...Tropical Storm Warning for AMZ450-452-454-470-472-474.

&&

In the hours before

Local storm report, Sep 26, 10:21 PM EDT, 43 minutes before
Preliminary Local Storm Report
National Weather Service Jacksonville FL
1021 PM EDT Thu Sep 26 2024

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

1000 PM     Tropical Cyclone Marineland              29.67N 81.21W
09/26/2024                   Flagler            FL   Mesonet

            Mesonet station 1423W Fswn Flagler County Em
            Marineland reported a wind gust of 63 mph.

&&

LEV
Local storm report, Sep 26, 10:23 PM EDT, 41 minutes before
Preliminary Local Storm Report
National Weather Service Jacksonville FL
1023 PM EDT Thu Sep 26 2024

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

1010 PM     Tropical Cyclone 2 WNW Mayport           30.39N 81.44W
09/26/2024                   AMZ452             FL   Mesonet

            Mesonet station 1483W Fswn Jfrd Station 40
            reported wind gust of 68 mph.

&&

LEV
Local storm report, Sep 26, 10:24 PM EDT, 40 minutes before
Preliminary Local Storm Report
National Weather Service Jacksonville FL
1024 PM EDT Thu Sep 26 2024

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

1010 PM     Tropical Cyclone 1 NNE Jacksonville Beac 30.29N 81.39W
09/26/2024                   AMZ452             FL   Mesonet

            Mesonet station 1618W Fswn Jacksonville
            Beach reported wind gust of 67 mph.

&&

LEV
Local storm report, Sep 26, 10:25 PM EDT, 39 minutes before
Preliminary Local Storm Report
National Weather Service Jacksonville FL
1025 PM EDT Thu Sep 26 2024

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

1010 PM     Tropical Cyclone Saint Augustine         29.89N 81.31W
09/26/2024                   AMZ454             FL   Mesonet

            Mesonet station 1695W Fswn Citystaug
            reported wind gust of 65 mph.

&&

LEV
Local storm report, Sep 26, 10:28 PM EDT, 36 minutes before
Preliminary Local Storm Report
National Weather Service Jacksonville FL
1028 PM EDT Thu Sep 26 2024

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

1020 PM     Tropical Cyclone 1 N Neptune Beach       30.32N 81.39W
09/26/2024                   Duval              FL   Mesonet

            Mesonet station 1482W Fswn Duval Neptune
            Beach reported wind gust of 65 mph.

&&

LEV
Local storm report, Sep 26, 11:03 PM EDT, 1 minute before
Preliminary Local Storm Report
National Weather Service Jacksonville FL
1103 PM EDT Thu Sep 26 2024

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

1101 PM     Tropical Cyclone Winfield                30.26N 82.68W
09/26/2024                   Columbia           FL   Public

            A potential tornado was reported by the
            public to dispatch to pass over US 41 near
            I-10.

&&

KC

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 26, 8:07 PM EDTSpecial Marine WarningJAX23 min
Sep 26, 8:11 PM EDTSpecial Marine WarningJAX64 min
Sep 26, 8:17 PM EDTSpecial Marine WarningJAX28 min
Sep 26, 8:45 PM EDTSpecial Marine WarningJAX30 min
Sep 26, 9:56 PM EDTExtreme Wind WarningJAXHamilton, Suwannee2 hr
Sep 27, 12:02 AM EDTExtreme Wind WarningJAXHamilton, Suwannee65 min
Sep 27, 12:27 AM EDTFlash Flood WarningJAXHamilton, Suwannee3 hr
Sep 27, 8:10 AM EDTSmall Craft AdvisoryJAX18 hr
Sep 27, 10:35 AM EDTWind AdvisoryJAXDuval, Flagler, Nassau3 hr

Nearby

Tornado Warnings in Florida, 2024Every tornado warning in 2024Tornadoes in 2024

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.