Alert archive / Florida / Tornado Warnings in 2021

Tornado Warning 1, NWS Jacksonville, FL

January 27, 2021Hamilton County, Suwannee County, Florida

NWS Jacksonville, FL issued this tornado warning at Jan 27, 2021, 1:47 PM EST for Hamilton County, Suwannee County, Florida. It was in force for 28 min. 3 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, 1:47 PM EST (18:47 UTC)
Expired: Jan 27, 2021, 2:15 PM EST
In force: 28 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

Counties Hamilton County, FL, Suwannee County, FL

The radar

The Moody AFB radar (KVAX), 61 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.

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, 6.8 hours before the alert went out and 123 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: 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

Open this sounding in Storm Lab

The text

As transmitted.

184 
WFUS52 KJAX 271847
TORJAX
FLC047-121-271915-
/O.NEW.KJAX.TO.W.0001.210127T1847Z-210127T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jacksonville FL
147 PM EST Wed Jan 27 2021

The National Weather Service in Jacksonville has issued a

* Tornado Warning for...
  Northeastern Suwannee County in northern Florida...
  Southeastern Hamilton County in northern Florida...

* Until 215 PM EST.
    
* At 146 PM EST, a severe thunderstorm capable of producing a tornado
  was located near Live Oak, moving east 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...
  Live Oak around 150 PM EST.
  Suwannee Springs around 155 PM EST.

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.

Heavy rainfall may hide this tornado. Do not wait to see or hear the
tornado. TAKE COVER NOW!

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Jacksonville.

&&

LAT...LON 3030 8310 3041 8306 3044 8278 3027 8281
TIME...MOT...LOC 1846Z 268DEG 35KT 3033 8303 

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

$$

KB

The 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, 1:42 PM EST	Severe Thunderstorm Warning	JAX	Columbia, Hamilton, Suwannee	63 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

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.