Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 9, NWS Jacksonville, FL

February 6, 2021Flagler County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at Feb 6, 2021, 8:39 PM EST for Flagler County, Florida. It was in force for 23 min. 2 reports 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
Feb 6, 2021, 8:39 PM EST (01:39 UTC)
Expired
Feb 6, 2021, 9:02 PM EST
In force
23 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Flagler County, FL

The radar

The Jacksonville radar (KJAX), 115 km from the middle of the area, began a volume at 01:41 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
Feb 6, 8:40 PM ESTTSTM WND DMG3 Ese Andalusia, FLEMERGENCY MANAGER REPORTED WIRES DOWN NEAR THE INTERSECTION OF SR100 AND BETRA RD AND SR 100 AND WATER OAK RD IN THE NEIGHBORHOOD OF DAYTONA NORTH.
Feb 6, 8:45 PM ESTTSTM WND DMG5 N Bunnell, FLEMERGENCY MANAGER RELAYED A REPORT FROM FCSO OF A TREE DOWN ON WOODHAVEN DRIVE NEAR US1 IN PALM COAST.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Feb 6, 4:21 PM ESTTornado WatchSPC6 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 00:00Z, 1.7 hours before the alert went out and 139 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 00:00Z on 2021-02-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 947 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, Cape Canaveral, FL at 00:00Z on 2021-02-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 293 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
947 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
775 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
293 m²/s²
0-3 km storm-relative helicity
360 m²/s²
Significant tornado parameter
2.0
Supercell composite
9.3

Open this sounding in Storm Lab

The text

As transmitted.

344 
WUUS52 KJAX 070139
SVRJAX
FLC035-070215-
/O.NEW.KJAX.SV.W.0009.210207T0139Z-210207T0215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jacksonville FL
839 PM EST Sat Feb 6 2021

The National Weather Service in Jacksonville has issued a

* Severe Thunderstorm Warning for...
  Flagler County in northeastern Florida...

* Until 915 PM EST.

* At 839 PM EST, severe thunderstorms were located along a line
  extending from 8 miles east of San Mateo to 6 miles east of
  Andalusia to 8 miles southwest of Bunnell, moving east at 55 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Palm Coast, Flagler Beach, Bunnell, Marineland, Beverly Beach and
  Espanola.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 2946 8110 2946 8112 2943 8110 2941 8115
      2938 8115 2937 8142 2940 8142 2939 8146
      2940 8146 2952 8143 2961 8152 2962 8152
      2963 8132 2965 8132 2964 8131 2967 8126
      2966 8125 2968 8118 2951 8110
TIME...MOT...LOC 0139Z 267DEG 48KT 2960 8144 2953 8137 2941 8137 

HAIL...<.75IN
WIND...60MPH
 
$$

AK
3 follow-up statements
216 
WWUS52 KJAX 070144
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
844 PM EST Sat Feb 6 2021

FLC035-070215-
/O.CON.KJAX.SV.W.0009.000000T0000Z-210207T0215Z/
Flagler FL-
844 PM EST Sat Feb 6 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM EST
FOR CENTRAL FLAGLER COUNTY...

At 844 PM EST, severe thunderstorms were located along a line
extending from 9 miles southeast of Hastings to 6 miles west of Palm
Coast to near Bunnell, moving northeast at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Palm Coast, Flagler Beach, Bunnell, Marineland, Beverly Beach and
Espanola.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 2946 8110 2946 8112 2943 8110 2942 8114
      2940 8116 2937 8135 2937 8141 2938 8141
      2954 8137 2962 8145 2963 8132 2965 8132
      2964 8131 2967 8126 2966 8125 2968 8118
      2951 8110
TIME...MOT...LOC 0144Z 245DEG 45KT 2963 8139 2956 8132 2944 8132 

HAIL...<.75IN
WIND...60MPH
 
$$

AK
354 
WWUS52 KJAX 070152
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
852 PM EST Sat Feb 6 2021

FLC035-070215-
/O.CON.KJAX.SV.W.0009.000000T0000Z-210207T0215Z/
Flagler FL-
852 PM EST Sat Feb 6 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM EST
FOR NORTHEASTERN FLAGLER COUNTY...

At 852 PM EST, severe thunderstorms were located along a line
extending from near Marineland to near Palm Coast to near Bunnell,
moving east at 55 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Palm Coast, Flagler Beach, Bunnell, Marineland and Beverly Beach. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 2946 8110 2946 8112 2943 8111 2942 8111
      2945 8128 2956 8127 2962 8133 2963 8132
      2965 8132 2964 8131 2965 8128 2967 8126
      2966 8125 2968 8118 2951 8110
TIME...MOT...LOC 0152Z 265DEG 48KT 2964 8127 2957 8120 2947 8121 

HAIL...<.75IN
WIND...60MPH
 
$$

AK
770 
WWUS52 KJAX 070202
SVSJAX

Severe Weather Statement
National Weather Service Jacksonville FL
902 PM EST Sat Feb 6 2021

FLC035-070211-
/O.CAN.KJAX.SV.W.0009.000000T0000Z-210207T0215Z/
Flagler FL-
902 PM EST Sat Feb 6 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN FLAGLER COUNTY IS
CANCELLED...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.

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

LAT...LON 2946 8110 2946 8112 2943 8111 2942 8111
      2945 8128 2956 8127 2962 8133 2963 8132
      2965 8132 2964 8131 2965 8128 2967 8126
      2966 8125 2968 8118 2951 8110
TIME...MOT...LOC 0159Z 267DEG 48KT 2964 8116 2957 8109 2947 8110 

$$

AK

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 6, 7:12 PM ESTSpecial Weather StatementJAXSaint Johns48 min
Feb 6, 7:31 PM ESTSpecial Weather StatementJAXMarion44 min
Feb 6, 7:48 PM ESTSpecial Weather StatementJAXPutnam42 min
Feb 6, 8:01 PM ESTSpecial Marine WarningJAX59 min
Feb 6, 8:02 PM ESTSpecial Marine WarningJAX28 min
Feb 6, 8:17 PM ESTSpecial Weather StatementJAXClay43 min
Feb 6, 8:22 PM ESTSpecial Weather StatementJAXFlagler, Putnam38 min
Feb 6, 8:23 PM ESTSpecial Marine WarningJAX97 min
Feb 6, 8:52 PM ESTSpecial Weather StatementJAXGilchrist38 min
Feb 6, 8:57 PM ESTSpecial Weather StatementJAXSaint Johns33 min
Feb 6, 9:20 PM ESTSpecial Marine WarningJAX41 min
Feb 6, 9:32 PM ESTSpecial Weather StatementJAXColumbia43 min
Feb 6, 9:35 PM ESTSpecial Marine WarningJAX55 min
Feb 6, 10:01 PM ESTSpecial Marine WarningJAX44 min
Feb 6, 11:59 PM ESTSpecial Weather StatementJAXAlachua46 min
Feb 7, 12:10 AM ESTSpecial Weather StatementJAXAlachua50 min
Feb 7, 12:36 AM ESTSpecial Weather StatementJAXSaint Johns39 min
Feb 7, 12:48 AM ESTSpecial Weather StatementJAXMarion42 min
Feb 7, 1:09 AM ESTSevere Thunderstorm WarningJAXMarion20 min
Feb 7, 1:22 AM ESTSpecial Weather StatementJAXGilchrist38 min
Feb 7, 1:24 AM ESTSpecial Weather StatementJAXDuval51 min
Feb 7, 1:26 AM ESTSpecial Marine WarningJAX34 min
Feb 7, 1:36 AM ESTSpecial Weather StatementJAXMarion24 min
Feb 7, 1:45 AM ESTSpecial Marine WarningJAX45 min
Feb 7, 1:48 AM ESTSpecial Weather StatementJAXUnion27 min
Feb 7, 2:01 AM ESTSpecial Weather StatementJAXMarion29 min
Feb 7, 2:06 AM ESTSpecial Weather StatementJAXFlagler9 min
Feb 7, 2:11 AM ESTSpecial Marine WarningJAX34 min
Feb 7, 2:20 AM ESTSpecial Marine WarningJAX40 min
Feb 7, 4:08 AM ESTSpecial Weather StatementJAXAlachua, Bradford, Clay52 min
Feb 7, 4:19 AM ESTSpecial Weather StatementJAXMarion26 min
Feb 7, 4:45 AM ESTSpecial Weather StatementJAXDuval30 min
Feb 7, 4:55 AM ESTSpecial Marine WarningJAX50 min
Feb 7, 5:07 AM ESTSpecial Marine WarningJAX23 min
Feb 7, 6:39 AM ESTSpecial Marine WarningJAX96 min

Nearby

Severe Thunderstorm Warnings in Florida, 2021Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.