Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 10, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Feb 7, 2021, 1:09 AM EST for Marion County, Florida. It was in force for 20 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
- Feb 7, 2021, 1:09 AM EST (06:09 UTC)
- Expired
- Feb 7, 2021, 1:29 AM EST
- In force
- 20 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Marion County, FL
The radar
The Jacksonville radar (KJAX), 137 km from the middle of the area, began a volume at 06:11 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 |
|---|---|---|---|
| Feb 6, 10:58 PM EST | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 00:00Z, 6.2 hours before the alert went out and 181 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
- 1198 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 813 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 249 m²/s²
- 0-3 km storm-relative helicity
- 286 m²/s²
- Significant tornado parameter
- 1.8
- Supercell composite
- 7.7
The text
As transmitted.
887
WUUS52 KJAX 070609
SVRJAX
FLC083-070700-
/O.NEW.KJAX.SV.W.0010.210207T0609Z-210207T0700Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jacksonville FL
109 AM EST Sun Feb 7 2021
The National Weather Service in Jacksonville has issued a
* Severe Thunderstorm Warning for...
Central Marion County in northern Florida...
* Until 200 AM EST.
* At 108 AM EST, a severe thunderstorm was located near Rainbow Lakes
Estates, moving northeast at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Ocala, Rainbow Lakes Estates, Fort McCoy, Citra, Lynne, Sparr,
Anthony, Orange Springs, Ocala Airport and Reddick.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 700 AM EST for northern and
northeastern Florida.
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2901 8239 2902 8241 2922 8248 2922 8240
2928 8241 2943 8216 2942 8215 2943 8214
2943 8209 2944 8208 2944 8206 2947 8206
2949 8203 2951 8194 2950 8191 2951 8190
2926 8171 2902 8238
TIME...MOT...LOC 0608Z 239DEG 50KT 2920 8238
HAIL...<.75IN
WIND...60MPH
$$
BOOTHE1 follow-up statement
101
WWUS52 KJAX 070629
SVSJAX
Severe Weather Statement
National Weather Service Jacksonville FL
129 AM EST Sun Feb 7 2021
FLC083-070638-
/O.CAN.KJAX.SV.W.0010.000000T0000Z-210207T0700Z/
Marion FL-
129 AM EST Sun Feb 7 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MARION COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However gusty winds and
heavy rain are still possible with this thunderstorm.
A Tornado Watch remains in effect until 700 AM EST for northern and
northeastern Florida.
LAT...LON 2901 8239 2902 8241 2922 8248 2922 8240
2928 8241 2943 8216 2942 8215 2943 8214
2943 8209 2944 8208 2944 8206 2947 8206
2949 8203 2951 8194 2950 8191 2951 8190
2926 8171 2902 8238
TIME...MOT...LOC 0628Z 239DEG 50KT 2935 8210
$$
BOOTHEThe office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 6, 7:12 PM EST | Special Weather Statement | JAX | Saint Johns | 48 min |
| Feb 6, 7:31 PM EST | Special Weather Statement | JAX | Marion | 44 min |
| Feb 6, 7:48 PM EST | Special Weather Statement | JAX | Putnam | 42 min |
| Feb 6, 8:01 PM EST | Special Marine Warning | JAX | 59 min | |
| Feb 6, 8:02 PM EST | Special Marine Warning | JAX | 28 min | |
| Feb 6, 8:17 PM EST | Special Weather Statement | JAX | Clay | 43 min |
| Feb 6, 8:22 PM EST | Special Weather Statement | JAX | Flagler, Putnam | 38 min |
| Feb 6, 8:23 PM EST | Special Marine Warning | JAX | 97 min | |
| Feb 6, 8:39 PM EST | Severe Thunderstorm Warning | JAX | Flagler | 23 min |
| Feb 6, 8:52 PM EST | Special Weather Statement | JAX | Gilchrist | 38 min |
| Feb 6, 8:57 PM EST | Special Weather Statement | JAX | Saint Johns | 33 min |
| Feb 6, 9:20 PM EST | Special Marine Warning | JAX | 41 min | |
| Feb 6, 9:32 PM EST | Special Weather Statement | JAX | Columbia | 43 min |
| Feb 6, 9:35 PM EST | Special Marine Warning | JAX | 55 min | |
| Feb 6, 10:01 PM EST | Special Marine Warning | JAX | 44 min | |
| Feb 6, 11:59 PM EST | Special Weather Statement | JAX | Alachua | 46 min |
| Feb 7, 12:10 AM EST | Special Weather Statement | JAX | Alachua | 50 min |
| Feb 7, 12:36 AM EST | Special Weather Statement | JAX | Saint Johns | 39 min |
| Feb 7, 12:48 AM EST | Special Weather Statement | JAX | Marion | 42 min |
| Feb 7, 1:22 AM EST | Special Weather Statement | JAX | Gilchrist | 38 min |
| Feb 7, 1:24 AM EST | Special Weather Statement | JAX | Duval | 51 min |
| Feb 7, 1:26 AM EST | Special Marine Warning | JAX | 34 min | |
| Feb 7, 1:36 AM EST | Special Weather Statement | JAX | Marion | 24 min |
| Feb 7, 1:45 AM EST | Special Marine Warning | JAX | 45 min | |
| Feb 7, 1:48 AM EST | Special Weather Statement | JAX | Union | 27 min |
| Feb 7, 2:01 AM EST | Special Weather Statement | JAX | Marion | 29 min |
| Feb 7, 2:06 AM EST | Special Weather Statement | JAX | Flagler | 9 min |
| Feb 7, 2:11 AM EST | Special Marine Warning | JAX | 34 min | |
| Feb 7, 2:20 AM EST | Special Marine Warning | JAX | 40 min | |
| Feb 7, 4:08 AM EST | Special Weather Statement | JAX | Alachua, Bradford, Clay | 52 min |
| Feb 7, 4:19 AM EST | Special Weather Statement | JAX | Marion | 26 min |
| Feb 7, 4:45 AM EST | Special Weather Statement | JAX | Duval | 30 min |
| Feb 7, 4:55 AM EST | Special Marine Warning | JAX | 50 min | |
| Feb 7, 5:07 AM EST | Special Marine Warning | JAX | 23 min | |
| Feb 7, 6:39 AM EST | Special Marine Warning | JAX | 96 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2021Every severe thunderstorm warning 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.