Alert archive / Florida / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 2, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Jan 27, 2021, 1:42 PM EST for Columbia County, Hamilton County, Suwannee County, Florida. It was in force for 63 min. 5 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jan 27, 2021, 1:42 PM EST (18:42 UTC)
- Expired
- Jan 27, 2021, 2:45 PM EST
- In force
- 63 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Columbia County, FL, Hamilton County, FL, Suwannee County, FL
The radar
The Moody AFB radar (KVAX), 58 km from the middle of the area, began a volume at 18:47 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 27, 1:53 PM EST | TSTM WND DMG | 3 Ne Live Oak, FL | DAMAGE TO MOTEL EXTERIOR SOFFIT NEAR US HWY 129 AND I-10. MULTIPLE SOFTWOOD TREES UPROOTED AND A HARDWOOD TREE TRUNK SNAPPED ALONG 70TH ST. RADAR ESTIMATED TIME. |
| Jan 27, 1:55 PM EST | TSTM WND DMG | 1 Nne Live Oak, FL | POWERLINES AND TREES REPORTED DOWN, ROOF ANTENNA ACROSS A ROADWAY. LOCATION ON THE NORTH SIDE OF LIVE OAK CITY LIMITS. TIME AND LOCATION APPROXIMATED. |
| Jan 27, 1:56 PM EST | TSTM WND DMG | 4 Ene Live Oak, FL | SOFTWOOD TREE TRUNKS SNAPPED AND MULTIPLE LARGE BRANCHES BROKEN (1-3 INCH DIAMETER). RADAR ESTIMATED TIME. |
| Jan 27, 2:24 PM EST | TSTM WND DMG | 1 N Suwannee Valley, FL | TREE AND POWERLINE DOWN NEAR LASSIE BLACK STREET AND US 41. |
| Jan 27, 2:35 PM EST | TSTM WND DMG | White Springs, FL | TREE DOWN REPORT NEAR WHITE SPRINGS VIA SOCIAL MEDIA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 6.7 hours before the alert went out and 115 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
- 88 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 456 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 181 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
517 WUUS52 KJAX 271842 SVRJAX FLC023-047-121-271945- /O.NEW.KJAX.SV.W.0002.210127T1842Z-210127T1945Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Jacksonville FL 142 PM EST Wed Jan 27 2021 The National Weather Service in Jacksonville has issued a * Severe Thunderstorm Warning for... Northwestern Columbia County in northern Florida... Northern Suwannee County in northern Florida... Southeastern Hamilton County in northern Florida... * Until 245 PM EST. * At 141 PM EST, a severe thunderstorm was located near Live Oak, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Live Oak, Jasper, White Springs, Suwannee Springs, Winfield, Suwannee Valley and Belmont. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. To report severe weather, contact your nearest law enforcement agency. They will send your report to the National Weather Service office in Jacksonville. Intense thunderstorm lines can produce brief tornadoes and widespread significant wind damage. Although a tornado is not immediately likely, it is best to move to an interior room on the lowest floor of a building. This storm may cause serious injury and significant property damage. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3029 8316 3050 8303 3057 8255 3024 8255 TIME...MOT...LOC 1841Z 268DEG 29KT 3035 8306 TORNADO...POSSIBLE HAIL...<.75IN WIND...60MPH $$ KB
3 follow-up statements
270 WWUS52 KJAX 271908 SVSJAX Severe Weather Statement National Weather Service Jacksonville FL 208 PM EST Wed Jan 27 2021 FLC023-047-121-271945- /O.CON.KJAX.SV.W.0002.000000T0000Z-210127T1945Z/ Columbia FL-Suwannee FL-Hamilton FL- 208 PM EST Wed Jan 27 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EST FOR NORTHWESTERN COLUMBIA...NORTHEASTERN SUWANNEE AND SOUTHEASTERN HAMILTON COUNTIES... At 208 PM EST, a severe thunderstorm was located near White Springs, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... White Springs, Belmont, Winfield and Suwannee Valley. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. To report severe weather contact your nearest law enforcement agency. They will send your report to the National Weather Service office in Jacksonville. Intense thunderstorm lines can produce brief tornadoes and widespread significant wind damage. Although a tornado is not immediately likely, it is best to move to an interior room on the lowest floor of a building. This storm may cause serious injury and significant property damage. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3028 8296 3052 8283 3057 8255 3024 8255 TIME...MOT...LOC 1908Z 268DEG 29KT 3036 8282 TORNADO...POSSIBLE HAIL...<.75IN WIND...60MPH $$ KB
583
WWUS52 KJAX 271928
SVSJAX
Severe Weather Statement
National Weather Service Jacksonville FL
228 PM EST Wed Jan 27 2021
FLC047-121-271937-
/O.CAN.KJAX.SV.W.0002.000000T0000Z-210127T1945Z/
Suwannee FL-Hamilton FL-
228 PM EST Wed Jan 27 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SUWANNEE AND
SOUTHEASTERN HAMILTON COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3027 8274 3045 8259 3048 8255 3024 8255
TIME...MOT...LOC 1927Z 268DEG 29KT 3037 8263
$$
FLC023-271945-
/O.CON.KJAX.SV.W.0002.000000T0000Z-210127T1945Z/
Columbia FL-
228 PM EST Wed Jan 27 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EST
FOR NORTHWESTERN COLUMBIA COUNTY...
At 227 PM EST, a severe thunderstorm was located near Suwannee
Valley, or 7 miles east of White Springs, moving east at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Winfield and Suwannee Valley.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Jacksonville.
Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. This storm may cause serious injury and significant
property damage.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3027 8274 3045 8259 3048 8255 3024 8255
TIME...MOT...LOC 1927Z 268DEG 29KT 3037 8263
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$
KB327
WWUS52 KJAX 271937
SVSJAX
Severe Weather Statement
National Weather Service Jacksonville FL
237 PM EST Wed Jan 27 2021
FLC023-271947-
/O.EXP.KJAX.SV.W.0002.000000T0000Z-210127T1945Z/
Columbia FL-
237 PM EST Wed Jan 27 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN COLUMBIA COUNTY
WILL EXPIRE AT 245 PM EST...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
Remember, a Tornado Warning still remains in effect for Columbia
County until 245 PM.
LAT...LON 3027 8274 3045 8259 3048 8255 3024 8255
TIME...MOT...LOC 1937Z 268DEG 29KT 3037 8256
$$
KBThe office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 27, 1:58 AM EST | Dense Fog Advisory | JAX | Alachua, Bradford, Flagler, Marion | 7 hr |
| Jan 27, 2:02 AM EST | Gale Warning | JAX | 36 hr | |
| Jan 27, 2:02 AM EST | Small Craft Advisory | JAX | 19 hr | |
| Jan 27, 12:39 PM EST | Special Weather Statement | JAX | Hamilton | 36 min |
| Jan 27, 12:57 PM EST | Severe Thunderstorm Warning | JAX | Hamilton, Suwannee | 48 min |
| Jan 27, 1:47 PM EST | Tornado Warning | JAX | Hamilton, Suwannee | 28 min |
| Jan 27, 2:04 PM EST | Tornado Warning | JAX | Columbia, Hamilton, Suwannee | 41 min |
| Jan 27, 2:34 PM EST | Severe Thunderstorm Warning | JAX | Baker, Columbia | 41 min |
| Jan 27, 3:06 PM EST | Special Weather Statement | JAX | Gilchrist | 54 min |
| Jan 27, 3:12 PM EST | Severe Thunderstorm Warning | JAX | Baker, Clay, Duval, Nassau | 63 min |
| Jan 27, 3:35 PM EST | Special Weather Statement | JAX | Clay, Union | 40 min |
| Jan 27, 3:54 PM EST | Special Weather Statement | JAX | Alachua | 51 min |
| Jan 27, 3:59 PM EST | Tornado Warning | JAX | Clay, Duval, Saint Johns | 19 min |
| Jan 27, 4:04 PM EST | Special Marine Warning | JAX | 86 min | |
| Jan 27, 4:08 PM EST | Special Weather Statement | JAX | Duval | 37 min |
| Jan 27, 4:32 PM EST | Special Weather Statement | JAX | Marion | 58 min |
| Jan 27, 5:23 PM EST | Special Weather Statement | JAX | Marion | 37 min |
| Jan 27, 6:02 PM EST | Special Weather Statement | JAX | Marion | 43 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.