Alert archive / Florida / Tornado Warnings in 2020

Tornado Warning 13, NWS Jacksonville, FL

April 14, 2020Putnam County, Florida

NWS Jacksonville, FL issued this tornado warning at Apr 14, 2020, 12:49 PM EDT for Putnam County, Florida. It was in force for 26 min. 1 report 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
Apr 14, 2020, 12:49 PM EDT (16:49 UTC)
Expired
Apr 14, 2020, 1:15 PM EDT
In force
26 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), 94 km from the middle of the area, began a volume at 16:51 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

TimeReportWhereRemark
Apr 14, 12:55 PM EDTTSTM WND DMG1 Ese Mannville, FLTREE DOWN ON POWER LINE NEAR INTERLACHEN.

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, 4.8 hours before the alert went out and 96 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 2020-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 274 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 12:00Z on 2020-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.1939587897117Sfc1 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
274 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
859 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
190 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

As transmitted.

169 
WFUS52 KJAX 141649
TORJAX
FLC107-141715-
/O.NEW.KJAX.TO.W.0013.200414T1649Z-200414T1715Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jacksonville FL
1249 PM EDT Tue Apr 14 2020

The National Weather Service in Jacksonville has issued a

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

* Until 115 PM EDT.
    
* At 1248 PM EDT, a severe thunderstorm capable of producing a
  tornado was located over Interlachen, moving east 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...
  Hollister around 100 PM EDT.
  Palatka around 115 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Mannville.

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.

&&

LAT...LON 2960 8191 2965 8192 2974 8160 2962 8158
TIME...MOT...LOC 1648Z 255DEG 18KT 2963 8188 

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

$$

ENYEDI
3 follow-up statements
257 
WWUS52 KJAX 141654
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
1254 PM EDT Tue Apr 14 2020

FLC107-141715-
/O.CON.KJAX.TO.W.0013.000000T0000Z-200414T1715Z/
Putnam FL-
1254 PM EDT Tue Apr 14 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM EDT FOR CENTRAL
PUTNAM COUNTY...
    
At 1254 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Hollister, or near Interlachen, moving east 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...
  Palatka around 115 PM EDT.

Other locations impacted by this tornadic thunderstorm include
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.

&&

LAT...LON 2960 8187 2966 8188 2974 8160 2962 8158
TIME...MOT...LOC 1654Z 256DEG 18KT 2963 8184 

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

$$

ENYEDI
389 
WWUS52 KJAX 141703
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
103 PM EDT Tue Apr 14 2020

FLC107-141715-
/O.CON.KJAX.TO.W.0013.000000T0000Z-200414T1715Z/
Putnam FL-
103 PM EDT Tue Apr 14 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM EDT FOR NORTH
CENTRAL PUTNAM COUNTY...
    
At 103 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Hollister, or near Interlachen, moving east 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...
  Palatka around 125 PM EDT.
  East Palatka around 130 PM EDT.

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.

&&

LAT...LON 2961 8182 2967 8183 2974 8160 2962 8158
TIME...MOT...LOC 1703Z 255DEG 18KT 2964 8179 

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

$$

ENYEDI
781 
WWUS52 KJAX 141713
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
113 PM EDT Tue Apr 14 2020

FLC107-141723-
/O.EXP.KJAX.TO.W.0013.000000T0000Z-200414T1715Z/
Putnam FL-
113 PM EDT Tue Apr 14 2020

...THE TORNADO WARNING FOR NORTH CENTRAL PUTNAM COUNTY WILL EXPIRE AT
115 PM EDT...
    
The tornado threat has diminished and the Tornado Warning has been 
cancelled. 

LAT...LON 2961 8182 2967 8183 2974 8160 2962 8158
TIME...MOT...LOC 1713Z 255DEG 18KT 2962 8192 

$$

ENYEDI

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 10:39 PM EDTSpecial Weather StatementJAXMarion51 min
Apr 13, 11:34 PM EDTSpecial Weather StatementJAXFlagler41 min
Apr 14, 2:56 AM EDTSpecial Weather StatementJAXAlachua49 min
Apr 14, 3:33 AM EDTSpecial Weather StatementJAXBradford, Gilchrist, Union42 min
Apr 14, 4:04 AM EDTSpecial Weather StatementJAXDuval41 min
Apr 14, 4:37 AM EDTSpecial Weather StatementJAXGilchrist38 min
Apr 14, 4:54 AM EDTSpecial Marine WarningJAX66 min
Apr 14, 5:10 AM EDTSpecial Weather StatementJAXBradford, Union35 min
Apr 14, 5:48 AM EDTSpecial Weather StatementJAXBradford, Clay42 min
Apr 14, 6:24 AM EDTSpecial Weather StatementJAXAlachua51 min
Apr 14, 6:29 AM EDTSpecial Weather StatementJAXSaint Johns46 min
Apr 14, 7:06 AM EDTSpecial Weather StatementJAXAlachua, Bradford, Clay, Gilchrist, Saint Johns54 min
Apr 14, 7:56 AM EDTSpecial Weather StatementJAXAlachua, Bradford, Clay, Columbia, Duval, Gilchrist and 2 more64 min
Apr 14, 8:47 AM EDTSpecial Weather StatementJAXBaker, Bradford, Clay, Columbia, Duval, Hamilton and 3 more43 min
Apr 14, 9:02 AM EDTSevere Thunderstorm WarningJAXClay, Putnam, Saint Johns43 min
Apr 14, 9:10 AM EDTSpecial Marine WarningJAX65 min
Apr 14, 9:29 AM EDTSpecial Weather StatementJAXBaker, Duval, Hamilton, Nassau, Saint Johns46 min
Apr 14, 9:58 AM EDTSpecial Marine WarningJAX62 min
Apr 14, 10:14 AM EDTSpecial Weather StatementJAXNassau46 min
Apr 14, 10:25 AM EDTSpecial Marine WarningJAX76 min
Apr 14, 11:04 AM EDTSpecial Marine WarningJAX53 min
Apr 14, 12:16 PM EDTSpecial Weather StatementJAXPutnam44 min
Apr 14, 12:37 PM EDTSevere Thunderstorm WarningJAXPutnam39 min
Apr 14, 1:16 PM EDTSpecial Weather StatementJAXPutnam44 min
Apr 14, 1:36 PM EDTSpecial Weather StatementJAXGilchrist39 min
Apr 14, 3:26 PM EDTSpecial Weather StatementJAXPutnam49 min
Apr 14, 3:58 PM EDTSevere Thunderstorm WarningJAXFlagler, Putnam, Saint Johns28 min
Apr 14, 6:07 PM EDTSpecial Marine WarningJAX53 min

Nearby

Tornado Warnings in Florida, 2020Every tornado warning in 2020Tornadoes in 2020

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.