Alert archive / Florida / Tornado Warnings in 2021

Tornado Warning 8, NWS Jacksonville, FL

February 15, 2021Putnam County, Florida

NWS Jacksonville, FL issued this tornado warning at Feb 15, 2021, 2:37 PM EST for Putnam County, Florida. It was in force for 38 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 15, 2021, 2:37 PM EST (19:37 UTC)
Expired
Feb 15, 2021, 3:15 PM EST
In force
38 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Putnam County, FL

The radar

The Jacksonville radar (KJAX), 99 km from the middle of the area, began a volume at 19:38 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, 7.6 hours before the alert went out and 100 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-pSkew-T log-p diagram, Jacksonville, FL at 12:00Z on 2021-02-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 12:00Z on 2021-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
408 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
135 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

892 
WFUS52 KJAX 151937
TORJAX
FLC107-152015-
/O.NEW.KJAX.TO.W.0008.210215T1937Z-210215T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jacksonville FL
237 PM EST Mon Feb 15 2021

The National Weather Service in Jacksonville has issued a

* Tornado Warning for...
  Northwestern Putnam County in northeastern Florida...

* Until 315 PM EST.
    
* At 237 PM EST, a severe thunderstorm capable of producing a tornado
  was located over Orange Springs, or 8 miles southwest of
  Interlachen, moving northeast at 20 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...
  Melrose Landing around 300 PM EST.
  Interlachen around 305 PM EST.
  Hollister around 310 PM EST.
  Florahome and Bardin around 315 PM EST.

Other locations impacted by this tornadic thunderstorm include
Carraway, Mannville and Johnson.

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!

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 2952 8189 2950 8191 2951 8192 2951 8194
      2950 8197 2950 8201 2953 8206 2980 8188
      2980 8186 2981 8184 2984 8170 2961 8167
TIME...MOT...LOC 1937Z 225DEG 20KT 2952 8199 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

HESS
3 follow-up statements
866 
WWUS52 KJAX 151948
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
248 PM EST Mon Feb 15 2021

FLC107-152015-
/O.CON.KJAX.TO.W.0008.000000T0000Z-210215T2015Z/
Putnam FL-
248 PM EST Mon Feb 15 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EST FOR
NORTHWESTERN PUTNAM COUNTY...
    
At 248 PM EST, a severe thunderstorm capable of producing a tornado
was located near Interlachen, moving northeast at 25 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...
  Interlachen around 300 PM EST.
  Hollister around 305 PM EST.
  Florahome around 315 PM EST.
  Bardin around 325 PM EST.

Other locations impacted by this tornadic thunderstorm include
Carraway, Mannville and Johnson.

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.

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 2954 8186 2954 8195 2957 8199 2978 8186
      2979 8185 2981 8184 2984 8170 2961 8167
TIME...MOT...LOC 1948Z 215DEG 22KT 2957 8194 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

HESS
838 
WWUS52 KJAX 152002
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
302 PM EST Mon Feb 15 2021

FLC107-152015-
/O.CON.KJAX.TO.W.0008.000000T0000Z-210215T2015Z/
Putnam FL-
302 PM EST Mon Feb 15 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EST FOR
NORTHWESTERN PUTNAM COUNTY...
    
At 302 PM EST, a severe thunderstorm capable of producing a tornado
was located over Interlachen, moving northeast at 25 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...
  Bardin around 325 PM EST.
  Palatka around 330 PM EST.

Other locations impacted by this tornadic thunderstorm include
Carraway and Mannville.

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.

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 2961 8181 2960 8189 2965 8194 2979 8183
      2980 8180 2984 8170 2967 8168
TIME...MOT...LOC 2002Z 227DEG 22KT 2964 8187 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

HESS
639 
WWUS52 KJAX 152012
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
312 PM EST Mon Feb 15 2021

FLC107-152021-
/O.EXP.KJAX.TO.W.0008.000000T0000Z-210215T2015Z/
Putnam FL-
312 PM EST Mon Feb 15 2021

...THE TORNADO WARNING FOR NORTHWESTERN PUTNAM COUNTY WILL EXPIRE AT
315 PM EST...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

A Tornado Watch remains in effect until 1000 PM EST for northeastern
Florida.

LAT...LON 2961 8181 2960 8189 2965 8194 2979 8183
      2980 8180 2984 8170 2967 8168
TIME...MOT...LOC 2011Z 225DEG 20KT 2966 8185 

$$

HESS

The office that day

Everything else NWS Jacksonville, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 15, 3:07 AM ESTSmall Craft AdvisoryJAX31 hr
Feb 15, 9:25 AM ESTMarine Dense Fog AdvisoryJAX5 hr
Feb 15, 2:23 PM ESTSpecial Weather StatementJAXPutnam52 min
Feb 15, 2:53 PM ESTSpecial Weather StatementJAXSaint Johns52 min
Feb 15, 3:00 PM ESTSpecial Weather StatementJAXMarion45 min
Feb 15, 3:15 PM ESTSpecial Weather StatementJAXPutnam45 min
Feb 15, 3:18 PM ESTSpecial Weather StatementJAXHamilton, Suwannee57 min
Feb 15, 3:36 PM ESTTornado WarningJAXColumbia, Gilchrist, Suwannee39 min
Feb 15, 3:41 PM ESTSevere Thunderstorm WarningJAXClay, Putnam, Saint Johns49 min
Feb 15, 3:46 PM ESTSpecial Weather StatementJAXPutnam44 min
Feb 15, 4:04 PM ESTTornado WarningJAXPutnam, Saint Johns41 min
Feb 15, 4:09 PM ESTTornado WarningJAXColumbia, Hamilton, Suwannee36 min
Feb 15, 4:13 PM ESTSpecial Marine WarningJAX92 min
Feb 15, 4:13 PM ESTSpecial Weather StatementJAXHamilton47 min
Feb 15, 4:16 PM ESTSpecial Weather StatementJAXClay44 min
Feb 15, 4:21 PM ESTSevere Thunderstorm WarningJAXClay, Duval, Putnam, Saint Johns39 min
Feb 15, 4:43 PM ESTTornado WarningJAXSaint Johns17 min
Feb 15, 4:44 PM ESTSevere Thunderstorm WarningJAXBaker, Columbia46 min
Feb 15, 4:48 PM ESTSpecial Weather StatementJAXClay, Duval, Nassau57 min
Feb 15, 4:57 PM ESTTornado WarningJAXBaker33 min
Feb 15, 5:18 PM ESTSpecial Weather StatementJAXDuval27 min
Feb 15, 5:26 PM ESTSpecial Marine WarningJAX64 min
Feb 15, 5:53 PM ESTSpecial Weather StatementJAXNassau37 min
Feb 15, 6:17 PM ESTSpecial Weather StatementJAXGilchrist, Hamilton, Suwannee43 min
Feb 15, 6:22 PM ESTSpecial Marine WarningJAX64 min
Feb 15, 6:58 PM ESTSpecial Weather StatementJAXColumbia, Gilchrist, Hamilton, Suwannee62 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.