Alert archive / Florida / Tornado Warnings in 2021

Tornado Warning 32, NWS Jacksonville, FL

July 7, 2021Alachua County, Bradford County, Union County, Florida

NWS Jacksonville, FL issued this tornado warning at Jul 7, 2021, 6:02 AM EDT for Alachua County, Bradford County, Union County, Florida. It was in force for 28 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: Jul 7, 2021, 6:02 AM EDT (10:02 UTC)
Expired: Jul 7, 2021, 6:30 AM EDT
In force: 28 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Alachua County, FL, Bradford County, FL, Union County, FL

The radar

The Jacksonville radar (KJAX), 100 km from the middle of the area, began a volume at 10:05 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
Jul 6, 10:37 PM EDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 10.0 hours before the alert went out and 102 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: 1886 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 813 m above ground
0-6 km bulk shear: 3 kt
0-1 km storm-relative helicity: -31 m²/s²
0-3 km storm-relative helicity: -27 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

998 
WFUS52 KJAX 071002
TORJAX
FLC001-007-125-071030-
/O.NEW.KJAX.TO.W.0032.210707T1002Z-210707T1030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jacksonville FL
602 AM EDT Wed Jul 7 2021

The National Weather Service in Jacksonville has issued a

* Tornado Warning for...
  West central Bradford County in northern Florida...
  Northwestern Alachua County in northern Florida...
  South central Union County in northern Florida...

* Until 630 AM EDT.
    
* At 602 AM EDT, a severe thunderstorm capable of producing a tornado
  was located near Gainesville Airport, or near Gainesville, moving
  northwest at 35 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  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.

* This dangerous storm will be near...
  Alachua around 615 AM EDT.
  Worthington Springs around 630 AM EDT.

Other locations impacted by this tornadic thunderstorm include
Brooker and La Crosse.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 2968 8221 2963 8231 2985 8259 2998 8231
TIME...MOT...LOC 1002Z 156DEG 32KT 2972 8231 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

BOOTHE

2 follow-up statements

025 
WWUS52 KJAX 071014
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
614 AM EDT Wed Jul 7 2021

FLC001-007-125-071030-
/O.CON.KJAX.TO.W.0032.000000T0000Z-210707T1030Z/
Bradford FL-Alachua FL-Union FL-
614 AM EDT Wed Jul 7 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 AM EDT FOR WEST
CENTRAL BRADFORD...NORTHWESTERN ALACHUA AND SOUTHERN UNION
COUNTIES...
    
At 613 AM EDT, a vigorous shower capable of producing a tornado was 
located 7 miles east of Alachua, or 8 miles southeast of Worthington 
Spring, moving northwest at 35 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

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.

This dangerous storm will be near...
  Worthington Springs around 630 AM EDT.

Other locations impacted by this tornadic thunderstorm include
Brooker and La Crosse.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to 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 2971 8222 2966 8230 2986 8258 2992 8243
      2995 8237 2974 8223
TIME...MOT...LOC 1013Z 156DEG 32KT 2982 8236 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

BOOTHE

400 
WWUS52 KJAX 071020
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
620 AM EDT Wed Jul 7 2021

FLC125-071029-
/O.CAN.KJAX.TO.W.0032.000000T0000Z-210707T1030Z/
Union FL-
620 AM EDT Wed Jul 7 2021

...THE TORNADO WARNING FOR SOUTHERN UNION COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 800 AM EDT for northern
Florida.

LAT...LON 2993 8241 2982 8234 2979 8242 2987 8255
TIME...MOT...LOC 1019Z 156DEG 32KT 2987 8239 

$$

FLC001-007-071030-
/O.CON.KJAX.TO.W.0032.000000T0000Z-210707T1030Z/
Bradford FL-Alachua FL-
620 AM EDT Wed Jul 7 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 AM EDT FOR WESTERN
BRADFORD AND NORTH CENTRAL ALACHUA COUNTIES...
    
At 619 AM EDT, a vigorous shower capable of producing a tornado was 
located near Worthington Spring, moving northwest at 35 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

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.

This dangerous storm will be near...
  Worthington Springs around 625 AM EDT.

Other locations impacted by this tornadic thunderstorm include La
Crosse.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to 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 2993 8241 2982 8234 2979 8242 2987 8255
TIME...MOT...LOC 1019Z 156DEG 32KT 2987 8239 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

BOOTHE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 6, 9:53 PM EDT	River Flood Warning	JAX	Alachua, Columbia	13 days
Jul 6, 9:54 PM EDT	River Flood Warning	JAX	Columbia, Hamilton, Suwannee	48 hr
Jul 6, 9:54 PM EDT	River Flood Warning	JAX	Hamilton, Suwannee	71 hr
Jul 6, 11:03 PM EDT	Rip Current Statement	JAX	Duval, Flagler, Nassau	28 hr
Jul 7, 4:02 AM EDT	Tornado Warning	JAX	Alachua, Marion	28 min
Jul 7, 4:29 AM EDT	Tornado Warning	JAX	Alachua, Marion	31 min
Jul 7, 4:33 AM EDT	Tornado Warning	JAX	Marion	27 min
Jul 7, 5:05 AM EDT	Special Weather Statement	JAX	Alachua, Marion	40 min
Jul 7, 5:41 AM EDT	Special Weather Statement	JAX	Alachua, Gilchrist	49 min
Jul 7, 6:33 AM EDT	Special Weather Statement	JAX	Alachua, Suwannee, Union	57 min
Jul 7, 6:40 AM EDT	Tornado Warning	JAX	Alachua, Columbia, Union	35 min
Jul 7, 7:02 AM EDT	Tornado Warning	JAX	Columbia, Suwannee	28 min
Jul 7, 7:23 AM EDT	Special Weather Statement	JAX	Baker, Bradford, Clay, Columbia, Hamilton, Union	67 min
Jul 7, 8:31 AM EDT	Special Weather Statement	JAX	Baker, Hamilton	44 min
Jul 7, 8:39 AM EDT	Tornado Warning	JAX	Baker, Columbia	11 min
Jul 7, 9:59 AM EDT	Special Weather Statement	JAX	Nassau	46 min
Jul 7, 12:00 PM EDT	Areal Flood Warning	JAX	Alachua, Bradford, Columbia, Gilchrist, Hamilton, Suwannee and 1 more	3 hr
Jul 7, 1:38 PM EDT	Areal Flood Warning	JAX	Alachua, Baker, Bradford, Clay, Columbia, Duval and 4 more	3 hr
Jul 7, 2:45 PM EDT	Special Weather Statement	JAX	Flagler, Saint Johns	60 min
Jul 7, 2:47 PM EDT	Special Weather Statement	JAX	Baker, Clay, Duval, Nassau	58 min
Jul 7, 2:49 PM EDT	Areal Flood Warning	JAX	Hamilton, Suwannee	116 min
Jul 7, 2:54 PM EDT	Areal Flood Warning	JAX	Alachua, Bradford	111 min
Jul 7, 3:24 PM EDT	River Flood Warning	JAX	Columbia, Gilchrist, Suwannee	93 days
Jul 7, 3:31 PM EDT	Areal Flood Warning	JAX	Baker, Clay, Duval, Nassau	2 hr
Jul 7, 3:45 PM EDT	Special Weather Statement	JAX	Clay, Duval, Nassau, Saint Johns	60 min
Jul 7, 4:32 PM EDT	Tornado Warning	JAX	Duval, Saint Johns	28 min
Jul 7, 4:45 PM EDT	Special Weather Statement	JAX	Duval, Nassau	60 min
Jul 7, 4:54 PM EDT	Tornado Warning Tornado observed	JAX	Duval, Nassau	36 min
Jul 7, 5:15 PM EDT	Areal Flood Warning	JAX	Duval, Nassau, Saint Johns	2 hr
Jul 7, 6:42 PM EDT	Special Marine Warning	JAX		93 min
Jul 7, 7:18 PM EDT	Areal Flood Warning	JAX	Nassau	117 min

Nearby

Tornado Warnings in Florida, 2021 Every tornado warning in 2021 Tornadoes in 2021

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.