Alert archive / Florida / Tornado Warnings in 2017

Tornado Warning 69, NWS Jacksonville, FL

May 24, 2017Putnam County, Florida

NWS Jacksonville, FL issued this tornado warning at May 24, 2017, 9:29 AM EDT for Putnam County, Florida. It was in force for 31 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: May 24, 2017, 9:29 AM EDT (13:29 UTC)
Expired: May 24, 2017, 10:00 AM EDT
In force: 31 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.0 in

County Putnam County, FL

The radar

The Jacksonville radar (KJAX), 83 km from the middle of the area, began a volume at 13:28 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 24, 6:56 AM EDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 1.5 hours before the alert went out and 85 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: 868 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 752 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 178 m²/s²
0-3 km storm-relative helicity: 193 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 9.7

Open this sounding in Storm Lab

The text

As transmitted.

865 
WFUS52 KJAX 241329
TORJAX
FLC107-241400-
/O.NEW.KJAX.TO.W.0069.170524T1329Z-170524T1400Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jacksonville FL
929 AM EDT WED MAY 24 2017

The National Weather Service in Jacksonville has issued a

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

* Until 1000 AM EDT
    
* At 928 AM EDT, a severe thunderstorm capable of producing a tornado
  was located over Bardin, or near Palatka, 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...
  Bostwick around 940 AM EDT. 
  Federal Point around 950 AM EDT. 

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 2968 8171 2974 8173 2984 8158 2980 8157
      2976 8153 2973 8152 2971 8153
TIME...MOT...LOC 1328Z 241DEG 22KT 2973 8168 

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

$$

WOLF

2 follow-up statements

298 
WWUS52 KJAX 241338
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
938 AM EDT WED MAY 24 2017

FLC107-241400-
/O.CON.KJAX.TO.W.0069.000000T0000Z-170524T1400Z/
Putnam FL-
938 AM EDT WED MAY 24 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 AM EDT FOR
NORTHEASTERN PUTNAM COUNTY...
    
At 938 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Bostwick, or 7 miles northwest of Hastings, 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...
  Federal Point around 945 AM EDT. 

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 2971 8167 2976 8169 2984 8158 2980 8157
      2976 8153 2974 8152 2973 8153
TIME...MOT...LOC 1338Z 241DEG 22KT 2976 8162 

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

$$

WOLF

351 
WWUS52 KJAX 241352
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
952 AM EDT WED MAY 24 2017

FLC107-241402-
/O.EXP.KJAX.TO.W.0069.000000T0000Z-170524T1400Z/
Putnam FL-
952 AM EDT WED MAY 24 2017

...THE TORNADO WARNING FOR NORTHEASTERN PUTNAM COUNTY WILL EXPIRE AT
1000 AM EDT...
        
The storm which prompted the warning is moving out of the area.
Therefore the warning will be allowed to expire.

A tornado watch remains in effect until 300 PM EDT for northeastern
Florida.

LAT...LON 2971 8167 2976 8169 2984 8158 2980 8157
      2976 8153 2974 8152 2973 8153
TIME...MOT...LOC 1352Z 241DEG 22KT 2980 8154 

$$

WOLF

The office that day

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

Issued	Product	Office	Counties	Lasted
May 23, 8:35 PM EDT	Special Weather Statement	JAX	Suwannee	40 min
May 23, 8:39 PM EDT	Special Weather Statement	JAX	Baker, Columbia	51 min
May 23, 8:53 PM EDT	Tornado Warning	JAX	Baker, Duval, Nassau	20 min
May 23, 9:12 PM EDT	Severe Thunderstorm Warning	JAX	Baker, Duval, Nassau	17 min
May 23, 9:18 PM EDT	Special Weather Statement	JAX	Columbia	42 min
May 23, 9:28 PM EDT	Special Weather Statement	JAX	Nassau	47 min
May 23, 9:53 PM EDT	Areal Flood Advisory	JAX	Baker, Columbia, Suwannee	3 hr
May 24, 12:30 AM EDT	Special Weather Statement	JAX	Clay	45 min
May 24, 12:51 AM EDT	Special Weather Statement	JAX	Duval	39 min
May 24, 3:13 AM EDT	Special Weather Statement	JAX	Alachua	47 min
May 24, 3:16 AM EDT	Special Weather Statement	JAX	Clay	44 min
May 24, 3:43 AM EDT	Severe Thunderstorm Warning	JAX	Alachua, Clay, Putnam	47 min
May 24, 4:25 AM EDT	Severe Thunderstorm Warning	JAX	Clay, Putnam, Saint Johns	50 min
May 24, 4:58 AM EDT	Severe Thunderstorm Warning	JAX	Saint Johns	20 min
May 24, 4:59 AM EDT	Special Marine Warning	JAX		61 min
May 24, 5:47 AM EDT	Special Weather Statement	JAX	Putnam	43 min
May 24, 6:14 AM EDT	Special Weather Statement	JAX	Putnam	46 min
May 24, 6:18 AM EDT	Tornado Warning	JAX	Putnam, Saint Johns	27 min
May 24, 6:44 AM EDT	Tornado Warning	JAX	Saint Johns	31 min
May 24, 6:49 AM EDT	Special Marine Warning	JAX		56 min
May 24, 7:04 AM EDT	Special Weather Statement	JAX	Flagler	41 min
May 24, 7:46 AM EDT	Special Marine Warning	JAX		89 min
May 24, 8:09 AM EDT	Special Weather Statement	JAX	Saint Johns	51 min
May 24, 8:36 AM EDT	Special Weather Statement	JAX	Putnam	39 min
May 24, 8:56 AM EDT	Areal Flood Advisory	JAX	Putnam	3 hr
May 24, 8:58 AM EDT	Special Weather Statement	JAX	Saint Johns	47 min
May 24, 9:23 AM EDT	Severe Thunderstorm Warning	JAX	Putnam	37 min
May 24, 9:47 AM EDT	Tornado Warning	JAX	Saint Johns	28 min
May 24, 10:07 AM EDT	Tornado Warning	JAX	Saint Johns	23 min
May 24, 10:09 AM EDT	Special Marine Warning	JAX		51 min
May 24, 10:39 AM EDT	Special Weather Statement	JAX	Saint Johns	51 min
May 24, 10:47 AM EDT	Severe Thunderstorm Warning	JAX	Baker, Columbia, Hamilton, Suwannee	43 min
May 24, 10:49 AM EDT	Special Marine Warning	JAX		116 min
May 24, 11:37 AM EDT	Severe Thunderstorm Warning	JAX	Clay, Duval, Saint Johns	38 min
May 24, 12:06 PM EDT	Areal Flood Advisory	JAX	Baker, Duval, Nassau	114 min
May 24, 12:11 PM EDT	Special Weather Statement	JAX	Duval	49 min
May 24, 12:18 PM EDT	Special Weather Statement	JAX	Alachua, Bradford, Union	42 min
May 24, 12:42 PM EDT	Special Marine Warning	JAX		93 min
May 24, 12:52 PM EDT	Special Weather Statement	JAX	Clay, Duval	38 min
May 24, 1:19 PM EDT	Areal Flood Warning	JAX	Duval, Nassau	3 hr
May 24, 1:19 PM EDT	Special Weather Statement	JAX	Duval, Saint Johns	26 min
May 24, 1:24 PM EDT	Special Marine Warning	JAX		2 hr
May 24, 1:40 PM EDT	Special Weather Statement	JAX	Alachua, Clay, Flagler, Marion, Putnam, Saint Johns	65 min
May 24, 1:52 PM EDT	Areal Flood Advisory	JAX	Baker, Bradford, Clay, Duval, Saint Johns, Union	3 hr
May 24, 2:44 PM EDT	Special Weather Statement	JAX	Clay, Flagler, Marion, Putnam, Saint Johns	46 min
May 24, 3:25 PM EDT	Special Weather Statement	JAX	Flagler, Putnam, Saint Johns	35 min
May 24, 3:27 PM EDT	Special Marine Warning	JAX		93 min

Nearby

Tornado Warnings in Florida, 2017 Every tornado warning in 2017 Tornadoes in 2017

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.