Alert archive / Florida / Tornado Warnings in 2017

Tornado Warning 67, NWS Jacksonville, FL

May 24, 2017Putnam County, Saint Johns County, Florida

NWS Jacksonville, FL issued this tornado warning at May 24, 2017, 6:18 AM EDT for Putnam County, Saint Johns County, Florida. It was in force for 27 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, 6:18 AM EDT (10:18 UTC)
Expired
May 24, 2017, 6:45 AM EDT
In force
27 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Putnam County, FL, Saint Johns County, FL

The radar

The Jacksonville radar (KJAX), 88 km from the middle of the area, began a volume at 10:20 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 00:00Z, 10.3 hours before the alert went out and 90 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 00:00Z on 2017-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 924 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2017-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 260 square meters per square second.193958Sfc1 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
924 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
1107 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
260 m²/s²
0-3 km storm-relative helicity
303 m²/s²
Significant tornado parameter
0.8
Supercell composite
10.7

Open this sounding in Storm Lab

The text

As transmitted.

473 
WFUS52 KJAX 241018
TORJAX
FLC107-109-241045-
/O.NEW.KJAX.TO.W.0067.170524T1018Z-170524T1045Z/

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

The National Weather Service in Jacksonville has issued a

* Tornado Warning for...
  South central St. Johns County in northeastern Florida...
  Northeastern Putnam County in northeastern Florida...

* Until 645 AM EDT
    
* At 617 AM EDT, a severe thunderstorm capable of producing a tornado
  was located over Orange Mills, or near East Palatka, moving east at
  30 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 625 AM EDT. 
  Hastings around 630 AM EDT. 

Other locations impacted by this tornadic thunderstorm include Elkton
and Spuds.

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 8168 2977 8173 2987 8145 2966 8135
TIME...MOT...LOC 1017Z 252DEG 28KT 2971 8161 

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

$$

PETERSON
2 follow-up statements
964 
WWUS52 KJAX 241030
SVSJAX

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

FLC107-109-241045-
/O.CON.KJAX.TO.W.0067.000000T0000Z-170524T1045Z/
St. Johns FL-Putnam FL-
630 AM EDT WED MAY 24 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 AM EDT FOR SOUTH
CENTRAL ST. JOHNS AND NORTHEASTERN PUTNAM COUNTIES...
    
At 629 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Hastings, moving east 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...
  Hastings around 635 AM EDT. 

Other locations impacted by this tornadic thunderstorm include Elkton
and Spuds.

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 2963 8158 2974 8163 2986 8149 2987 8145
      2966 8135
TIME...MOT...LOC 1029Z 256DEG 22KT 2971 8155 

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

$$

AK
083 
WWUS52 KJAX 241037
SVSJAX

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

FLC107-241046-
/O.CAN.KJAX.TO.W.0067.000000T0000Z-170524T1045Z/
Putnam FL-
637 AM EDT WED MAY 24 2017

...THE TORNADO WARNING FOR NORTHEASTERN PUTNAM COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 2969 8151 2972 8153 2976 8153 2977 8154
      2985 8144 2968 8136
TIME...MOT...LOC 1036Z 247DEG 27KT 2974 8149 

$$

FLC109-241045-
/O.CON.KJAX.TO.W.0067.000000T0000Z-170524T1045Z/
St. Johns FL-
637 AM EDT WED MAY 24 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 AM EDT FOR SOUTH
CENTRAL ST. JOHNS COUNTY...
    
At 636 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Hastings, moving east at 30 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 tornadic thunderstorm will remain over mainly rural areas of
south central St. Johns County, including the following locations:
Elkton and Spuds.

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 2969 8151 2972 8153 2976 8153 2977 8154
      2985 8144 2968 8136
TIME...MOT...LOC 1036Z 247DEG 27KT 2974 8149 

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

$$

AK

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 8:35 PM EDTSpecial Weather StatementJAXSuwannee40 min
May 23, 8:39 PM EDTSpecial Weather StatementJAXBaker, Columbia51 min
May 23, 8:53 PM EDTTornado WarningJAXBaker, Duval, Nassau20 min
May 23, 9:12 PM EDTSevere Thunderstorm WarningJAXBaker, Duval, Nassau17 min
May 23, 9:18 PM EDTSpecial Weather StatementJAXColumbia42 min
May 23, 9:28 PM EDTSpecial Weather StatementJAXNassau47 min
May 23, 9:53 PM EDTAreal Flood AdvisoryJAXBaker, Columbia, Suwannee3 hr
May 24, 12:30 AM EDTSpecial Weather StatementJAXClay45 min
May 24, 12:51 AM EDTSpecial Weather StatementJAXDuval39 min
May 24, 3:13 AM EDTSpecial Weather StatementJAXAlachua47 min
May 24, 3:16 AM EDTSpecial Weather StatementJAXClay44 min
May 24, 3:43 AM EDTSevere Thunderstorm WarningJAXAlachua, Clay, Putnam47 min
May 24, 4:25 AM EDTSevere Thunderstorm WarningJAXClay, Putnam, Saint Johns50 min
May 24, 4:58 AM EDTSevere Thunderstorm WarningJAXSaint Johns20 min
May 24, 4:59 AM EDTSpecial Marine WarningJAX61 min
May 24, 5:47 AM EDTSpecial Weather StatementJAXPutnam43 min
May 24, 6:14 AM EDTSpecial Weather StatementJAXPutnam46 min
May 24, 6:44 AM EDTTornado WarningJAXSaint Johns31 min
May 24, 6:49 AM EDTSpecial Marine WarningJAX56 min
May 24, 7:04 AM EDTSpecial Weather StatementJAXFlagler41 min
May 24, 7:46 AM EDTSpecial Marine WarningJAX89 min
May 24, 8:09 AM EDTSpecial Weather StatementJAXSaint Johns51 min
May 24, 8:36 AM EDTSpecial Weather StatementJAXPutnam39 min
May 24, 8:56 AM EDTAreal Flood AdvisoryJAXPutnam3 hr
May 24, 8:58 AM EDTSpecial Weather StatementJAXSaint Johns47 min
May 24, 9:23 AM EDTSevere Thunderstorm WarningJAXPutnam37 min
May 24, 9:29 AM EDTTornado WarningJAXPutnam31 min
May 24, 9:47 AM EDTTornado WarningJAXSaint Johns28 min
May 24, 10:07 AM EDTTornado WarningJAXSaint Johns23 min
May 24, 10:09 AM EDTSpecial Marine WarningJAX51 min
May 24, 10:39 AM EDTSpecial Weather StatementJAXSaint Johns51 min
May 24, 10:47 AM EDTSevere Thunderstorm WarningJAXBaker, Columbia, Hamilton, Suwannee43 min
May 24, 10:49 AM EDTSpecial Marine WarningJAX116 min
May 24, 11:37 AM EDTSevere Thunderstorm WarningJAXClay, Duval, Saint Johns38 min
May 24, 12:06 PM EDTAreal Flood AdvisoryJAXBaker, Duval, Nassau114 min
May 24, 12:11 PM EDTSpecial Weather StatementJAXDuval49 min
May 24, 12:18 PM EDTSpecial Weather StatementJAXAlachua, Bradford, Union42 min
May 24, 12:42 PM EDTSpecial Marine WarningJAX93 min
May 24, 12:52 PM EDTSpecial Weather StatementJAXClay, Duval38 min
May 24, 1:19 PM EDTAreal Flood WarningJAXDuval, Nassau3 hr
May 24, 1:19 PM EDTSpecial Weather StatementJAXDuval, Saint Johns26 min
May 24, 1:24 PM EDTSpecial Marine WarningJAX2 hr
May 24, 1:40 PM EDTSpecial Weather StatementJAXAlachua, Clay, Flagler, Marion, Putnam, Saint Johns65 min
May 24, 1:52 PM EDTAreal Flood AdvisoryJAXBaker, Bradford, Clay, Duval, Saint Johns, Union3 hr
May 24, 2:44 PM EDTSpecial Weather StatementJAXClay, Flagler, Marion, Putnam, Saint Johns46 min
May 24, 3:25 PM EDTSpecial Weather StatementJAXFlagler, Putnam, Saint Johns35 min
May 24, 3:27 PM EDTSpecial Marine WarningJAX93 min

Nearby

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