Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 92, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Jun 15, 2021, 2:17 PM EDT for Marion County, Florida. It was in force for 22 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
- Jun 15, 2021, 2:17 PM EDT (18:17 UTC)
- Expired
- Jun 15, 2021, 2:39 PM EDT
- In force
- 22 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Marion County, FL
The radar
The Jacksonville radar (KJAX), 131 km from the middle of the area, began a volume at 18:16 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 12:00Z, 6.3 hours before the alert went out and 133 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
- 3840 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 1021 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
547
WUUS52 KJAX 151817
SVRJAX
FLC083-151900-
/O.NEW.KJAX.SV.W.0092.210615T1817Z-210615T1900Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jacksonville FL
217 PM EDT Tue Jun 15 2021
The National Weather Service in Jacksonville has issued a
* Severe Thunderstorm Warning for...
East central Marion County in northern Florida...
* Until 300 PM EDT.
* At 217 PM EDT, a severe thunderstorm was located near Lynne, moving
east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Lynne, Juniper Springs and Salt Springs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2920 8197 2938 8195 2939 8174 2937 8174
2937 8167 2936 8166 2934 8166 2934 8168
2932 8168 2930 8167 2929 8165 2928 8164
2914 8164
TIME...MOT...LOC 1817Z 275DEG 20KT 2929 8188
HAIL...1.00IN
WIND...60MPH
$$
232 follow-up statements
295
WWUS52 KJAX 151826
SVSJAX
Severe Weather Statement
National Weather Service Jacksonville FL
226 PM EDT Tue Jun 15 2021
FLC083-151900-
/O.CON.KJAX.SV.W.0092.000000T0000Z-210615T1900Z/
Marion FL-
226 PM EDT Tue Jun 15 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM EDT
FOR EAST CENTRAL MARION COUNTY...
At 226 PM EDT, a severe thunderstorm was located near Salt Springs,
moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Salt Springs and Juniper Springs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2920 8193 2934 8190 2936 8176 2937 8174
2937 8167 2936 8166 2934 8166 2934 8168
2932 8168 2930 8167 2929 8165 2928 8164
2916 8164
TIME...MOT...LOC 1826Z 275DEG 20KT 2929 8182
HAIL...1.00IN
WIND...60MPH
$$
23276
WWUS52 KJAX 151839
SVSJAX
Severe Weather Statement
National Weather Service Jacksonville FL
239 PM EDT Tue Jun 15 2021
FLC083-151849-
/O.CAN.KJAX.SV.W.0092.000000T0000Z-210615T1900Z/
Marion FL-
239 PM EDT Tue Jun 15 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST 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.
LAT...LON 2920 8193 2934 8190 2936 8176 2937 8174
2937 8167 2936 8166 2934 8166 2934 8168
2932 8168 2930 8167 2929 8165 2928 8164
2916 8164
TIME...MOT...LOC 1837Z 275DEG 20KT 2928 8174
$$
23The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 2:42 AM EDT | Small Craft Advisory | JAX | 25 hr | |
| Jun 15, 9:00 AM EDT | Special Weather Statement | JAX | Marion | 45 min |
| Jun 15, 2:04 PM EDT | Special Weather Statement | JAX | Marion | 41 min |
| Jun 15, 2:32 PM EDT | Special Weather Statement | JAX | Suwannee | 43 min |
| Jun 15, 2:36 PM EDT | Special Weather Statement | JAX | Flagler | 39 min |
| Jun 15, 3:00 PM EDT | Severe Thunderstorm Warning | JAX | Suwannee | 30 min |
| Jun 15, 3:10 PM EDT | Special Weather Statement | JAX | Columbia | 50 min |
| Jun 15, 3:30 PM EDT | Severe Thunderstorm Warning | JAX | Columbia, Suwannee, Union | 45 min |
| Jun 15, 3:33 PM EDT | Special Marine Warning | JAX | 57 min | |
| Jun 15, 3:39 PM EDT | Special Weather Statement | JAX | Bradford | 51 min |
| Jun 15, 3:43 PM EDT | Special Weather Statement | JAX | Baker | 47 min |
| Jun 15, 3:49 PM EDT | Severe Thunderstorm Warning | JAX | Baker, Bradford, Union | 41 min |
| Jun 15, 3:55 PM EDT | Special Marine Warning | JAX | 65 min | |
| Jun 15, 3:56 PM EDT | Special Weather Statement | JAX | Saint Johns | 34 min |
| Jun 15, 3:59 PM EDT | Severe Thunderstorm Warning | JAX | Alachua, Bradford, Clay | 46 min |
| Jun 15, 4:02 PM EDT | Special Weather Statement | JAX | Clay | 43 min |
| Jun 15, 4:14 PM EDT | Special Weather Statement | JAX | Hamilton | 46 min |
| Jun 15, 4:15 PM EDT | Severe Thunderstorm Warning | JAX | Bradford, Clay, Duval, Putnam | 45 min |
| Jun 15, 4:18 PM EDT | Severe Thunderstorm Warning | JAX | Baker, Columbia, Hamilton | 27 min |
| Jun 15, 4:19 PM EDT | Severe Thunderstorm Warning | JAX | Alachua, Bradford, Union | 41 min |
| Jun 15, 4:21 PM EDT | Special Marine Warning | JAX | 39 min | |
| Jun 15, 4:26 PM EDT | Special Marine Warning | JAX | 49 min | |
| Jun 15, 4:33 PM EDT | Severe Thunderstorm Warning | JAX | Baker, Nassau | 27 min |
| Jun 15, 4:36 PM EDT | Special Weather Statement | JAX | Nassau | 54 min |
| Jun 15, 4:40 PM EDT | Severe Thunderstorm Warning | JAX | Baker, Columbia, Hamilton | 50 min |
| Jun 15, 4:45 PM EDT | Severe Thunderstorm Warning | JAX | Alachua, Bradford, Clay, Putnam | 45 min |
| Jun 15, 4:47 PM EDT | Severe Thunderstorm Warning | JAX | Hamilton, Suwannee | 43 min |
| Jun 15, 4:50 PM EDT | Special Marine Warning | JAX | 55 min | |
| Jun 15, 4:54 PM EDT | Special Weather Statement | JAX | Duval | 51 min |
| Jun 15, 4:54 PM EDT | Severe Thunderstorm Warning | JAX | Nassau | 36 min |
| Jun 15, 4:59 PM EDT | Special Marine Warning | JAX | 61 min | |
| Jun 15, 5:07 PM EDT | Severe Thunderstorm Warning | JAX | Clay, Duval, Saint Johns | 23 min |
| Jun 15, 5:09 PM EDT | Severe Thunderstorm Warning | JAX | Baker, Duval, Nassau | 22 min |
| Jun 15, 5:10 PM EDT | Special Marine Warning | JAX | 95 min | |
| Jun 15, 5:12 PM EDT | Severe Thunderstorm Warning | JAX | Nassau | 48 min |
| Jun 15, 5:15 PM EDT | Severe Thunderstorm Warning | JAX | Alachua | 30 min |
| Jun 15, 5:26 PM EDT | Severe Thunderstorm Warning | JAX | Baker, Bradford, Clay, Columbia, Duval, Nassau and 1 more | 49 min |
| Jun 15, 5:29 PM EDT | Areal Flood Warning | JAX | Alachua, Bradford | 2 hr |
| Jun 15, 5:30 PM EDT | Severe Thunderstorm Warning | JAX | Columbia, Hamilton, Suwannee | 30 min |
| Jun 15, 5:30 PM EDT | Severe Thunderstorm Warning | JAX | Clay, Duval, Nassau | 45 min |
| Jun 15, 5:35 PM EDT | Severe Thunderstorm Warning | JAX | Alachua, Bradford, Clay, Putnam | 25 min |
| Jun 15, 5:36 PM EDT | Severe Thunderstorm Warning | JAX | Duval, Saint Johns | 24 min |
| Jun 15, 5:46 PM EDT | Severe Thunderstorm Warning | JAX | Flagler, Putnam, Saint Johns | 44 min |
| Jun 15, 5:47 PM EDT | Special Marine Warning | JAX | 58 min | |
| Jun 15, 5:48 PM EDT | Special Weather Statement | JAX | Alachua | 42 min |
| Jun 15, 5:54 PM EDT | Severe Thunderstorm Warning | JAX | Hamilton, Suwannee | 51 min |
| Jun 15, 5:57 PM EDT | Severe Thunderstorm Warning | JAX | Alachua, Marion, Putnam | 48 min |
| Jun 15, 6:01 PM EDT | Severe Thunderstorm Warning | JAX | Duval, Saint Johns | 44 min |
| Jun 15, 6:07 PM EDT | Special Weather Statement | JAX | Alachua | 23 min |
| Jun 15, 6:17 PM EDT | Severe Thunderstorm Warning | JAX | Baker, Columbia, Hamilton, Union | 43 min |
| Jun 15, 6:19 PM EDT | Special Weather Statement | JAX | Union | 41 min |
| Jun 15, 6:26 PM EDT | Special Marine Warning | JAX | 94 min | |
| Jun 15, 6:33 PM EDT | Special Weather Statement | JAX | Columbia | 27 min |
| Jun 15, 6:40 PM EDT | Special Weather Statement | JAX | Flagler | 50 min |
| Jun 15, 6:46 PM EDT | Special Weather Statement | JAX | Marion | 44 min |
| Jun 15, 6:48 PM EDT | Special Weather Statement | JAX | Gilchrist | 42 min |
| Jun 15, 6:53 PM EDT | Special Marine Warning | JAX | 97 min | |
| Jun 15, 7:03 PM EDT | Special Weather Statement | JAX | Union | 42 min |
| Jun 15, 7:12 PM EDT | Special Weather Statement | JAX | Gilchrist | 48 min |
| Jun 15, 7:26 PM EDT | Areal Flood Warning | JAX | Alachua, Marion | 2 hr |
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.