Alert archive / Florida / Tornado Warnings in 2021

Tornado Warning 25, NWS Jacksonville, FL

June 13, 2021Flagler County, Florida

NWS Jacksonville, FL issued this tornado warning at Jun 13, 2021, 3:43 PM EDT for Flagler County, Florida. It was in force for 11 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
Jun 13, 2021, 3:43 PM EDT (19:43 UTC)
Expired
Jun 13, 2021, 3:54 PM EDT
In force
11 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.25 in

County Flagler County, FL

The radar

The Jacksonville radar (KJAX), 129 km from the middle of the area, began a volume at 19:45 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

Cape Canaveral, FL (KXMR), launched 12:00Z, 7.7 hours before the alert went out and 124 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, Cape Canaveral, FL at 12:00Z on 2021-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1128 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, Cape Canaveral, FL at 12:00Z on 2021-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 square meters per square second.1939Sfc1 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
1128 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
843 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
-7 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

298 
WFUS52 KJAX 131943
TORJAX
FLC035-132015-
/O.NEW.KJAX.TO.W.0025.210613T1943Z-210613T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Jacksonville FL
343 PM EDT Sun Jun 13 2021

The National Weather Service in Jacksonville has issued a

* Tornado Warning for...
  Southeastern Flagler County in northeastern Florida...

* Until 415 PM EDT.
    
* At 343 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Bunnell, moving southeast at 15 mph.

  HAZARD...Tornado and half dollar size hail.

  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...
  Flagler Beach around 355 PM EDT.

Other locations impacted by this tornadic thunderstorm include
Beverly Beach.

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 2947 8109 2946 8111 2946 8112 2943 8110
      2942 8114 2941 8115 2927 8115 2926 8124
      2945 8134 2955 8119
TIME...MOT...LOC 1943Z 322DEG 12KT 2945 8123 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$

HESS
1 follow-up statement
378 
WWUS52 KJAX 131954
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
354 PM EDT Sun Jun 13 2021

FLC035-132004-
/O.CAN.KJAX.TO.W.0025.000000T0000Z-210613T2015Z/
Flagler FL-
354 PM EDT Sun Jun 13 2021

...THE TORNADO WARNING FOR SOUTHEASTERN FLAGLER COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.  However small hail, gusty
winds and heavy rain are still possible with this thunderstorm.

LAT...LON 2947 8109 2946 8111 2946 8112 2943 8110
      2942 8114 2941 8115 2927 8115 2926 8124
      2945 8134 2955 8119
TIME...MOT...LOC 1948Z 322DEG 12KT 2942 8120 

$$

HESS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 8:44 PM EDTSpecial Marine WarningJAX61 min
Jun 13, 2:06 PM EDTSpecial Weather StatementJAXAlachua39 min
Jun 13, 2:08 PM EDTSpecial Weather StatementJAXPutnam52 min
Jun 13, 2:11 PM EDTSpecial Marine WarningJAX64 min
Jun 13, 2:18 PM EDTSpecial Weather StatementJAXMarion27 min
Jun 13, 2:21 PM EDTSpecial Weather StatementJAXGilchrist39 min
Jun 13, 2:40 PM EDTSpecial Weather StatementJAXMarion50 min
Jun 13, 2:56 PM EDTSpecial Weather StatementJAXFlagler49 min
Jun 13, 3:02 PM EDTSpecial Weather StatementJAXAlachua, Putnam43 min
Jun 13, 3:04 PM EDTSpecial Weather StatementJAXSaint Johns41 min
Jun 13, 3:10 PM EDTSevere Thunderstorm WarningJAXFlagler35 min
Jun 13, 3:14 PM EDTSpecial Weather StatementJAXClay31 min
Jun 13, 3:19 PM EDTSpecial Marine WarningJAX41 min
Jun 13, 3:26 PM EDTSpecial Weather StatementJAXPutnam49 min
Jun 13, 3:35 PM EDTSevere Thunderstorm WarningJAXMarion, Putnam18 min
Jun 13, 3:40 PM EDTSpecial Marine WarningJAX65 min
Jun 13, 3:42 PM EDTSpecial Weather StatementJAXBradford, Clay48 min
Jun 13, 3:46 PM EDTSpecial Weather StatementJAXSaint Johns29 min
Jun 13, 3:50 PM EDTSpecial Weather StatementJAXMarion40 min
Jun 13, 4:01 PM EDTSpecial Weather StatementJAXFlagler29 min
Jun 13, 4:21 PM EDTSpecial Weather StatementJAXClay54 min
Jun 13, 4:31 PM EDTSpecial Weather StatementJAXFlagler29 min
Jun 13, 4:50 PM EDTSpecial Weather StatementJAXDuval40 min
Jun 13, 4:56 PM EDTSevere Thunderstorm WarningJAXDuval14 min
Jun 13, 5:01 PM EDTFlash Flood WarningJAXDuval79 min
Jun 13, 5:50 PM EDTSpecial Weather StatementJAXBaker, Columbia40 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.