Alert archive / Florida / Tornado Warnings in 2021
Tornado Warning 31, NWS Jacksonville, FL
NWS Jacksonville, FL issued this tornado warning at Jul 7, 2021, 4:33 AM EDT for Marion County, Florida. It was in force for 27 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, 4:33 AM EDT (08:33 UTC)
- Expired
- Jul 7, 2021, 5:00 AM EDT
- In force
- 27 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
County Marion County, FL
The radar
The Jacksonville radar (KJAX), 153 km from the middle of the area, began a volume at 08:36 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, 8.6 hours before the alert went out and 155 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.
- 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
The text
As transmitted.
741
WFUS52 KJAX 070833
TORJAX
FLC083-070900-
/O.NEW.KJAX.TO.W.0031.210707T0833Z-210707T0900Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jacksonville FL
433 AM EDT Wed Jul 7 2021
The National Weather Service in Jacksonville has issued a
* Tornado Warning for...
Southeastern Marion County in northern Florida...
* Until 500 AM EDT.
* At 432 AM EDT, a severe thunderstorm capable of producing a tornado
was located near Moss Bluff, or near Emeralda, moving north at 40
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...
Silver Springs Shores around 445 AM EDT.
Lynne around 450 AM EDT.
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 2922 8212 2928 8186 2896 8174 2896 8195
TIME...MOT...LOC 0832Z 157DEG 33KT 2902 8186
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
BOOTHE1 follow-up statement
133
WWUS52 KJAX 070846
SVSJAX
Severe Weather Statement
National Weather Service Jacksonville FL
446 AM EDT Wed Jul 7 2021
FLC083-070900-
/O.CON.KJAX.TO.W.0031.000000T0000Z-210707T0900Z/
Marion FL-
446 AM EDT Wed Jul 7 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 AM EDT FOR
SOUTHEASTERN MARION COUNTY...
At 446 AM EDT, a severe thunderstorm capable of producing a tornado
was located near Moss Bluff, or near Lynne, moving northwest at 35
mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Lynne around 455 AM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 2927 8192 2906 8178 2903 8200 2922 8212
TIME...MOT...LOC 0846Z 155DEG 32KT 2912 8192
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
BOOTHEThe 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, 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, 6:02 AM EDT | Tornado Warning | JAX | Alachua, Bradford, Union | 28 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 | 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, 2021Every tornado warning in 2021Tornadoes 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.