Alert archive / Florida / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 8, NWS Jacksonville, FL

February 6, 2021Marion County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at Feb 6, 2021, 6:53 PM EST for Marion County, Florida. It was in force for 35 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
Feb 6, 2021, 6:53 PM EST (23:53 UTC)
Expired
Feb 6, 2021, 7:28 PM EST
In force
35 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Marion County, FL

The radar

The Jacksonville radar (KJAX), 136 km from the middle of the area, began a volume at 23:52 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.

IssuedProductOfficeLasted
Feb 6, 4:21 PM ESTTornado WatchSPC6 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 11.9 hours before the alert went out and 137 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 2021-02-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2021-02-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
845 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
370 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

618 
WUUS52 KJAX 062353
SVRJAX
FLC083-070045-
/O.NEW.KJAX.SV.W.0008.210206T2353Z-210207T0045Z/

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

The National Weather Service in Jacksonville has issued a

* Severe Thunderstorm Warning for...
  Northwestern Marion County in northern Florida...

* Until 745 PM EST.

* At 653 PM EST, a severe thunderstorm was located near Williston
  Highlands, or 7 miles northwest of Rainbow Lakes Estates, moving
  east at 45 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Ocala, Rainbow Lakes Estates, Citra, Sparr, Anthony, Ocala Airport,
  Reddick, McIntosh, Flemington and Lowell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 2922 8253 2922 8240 2943 8240 2945 8221
      2943 8221 2942 8215 2943 8214 2943 8209
      2944 8206 2946 8205 2947 8198 2922 8198
      2911 8253
TIME...MOT...LOC 2353Z 256DEG 40KT 2925 8250 

HAIL...1.00IN
WIND...60MPH
 
$$

AK
3 follow-up statements
237 
WWUS52 KJAX 070002
SVSJAX

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

FLC083-070045-
/O.CON.KJAX.SV.W.0008.000000T0000Z-210207T0045Z/
Marion FL-
702 PM EST Sat Feb 6 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EST
FOR NORTHWESTERN MARION COUNTY...

At 701 PM EST, a severe thunderstorm was located near Rainbow Lakes
Estates, moving east at 45 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Ocala, Rainbow Lakes Estates, Citra, Sparr, Anthony, Reddick, Lowell,
Burbank and Romeo.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 2919 8253 2922 8252 2922 8240 2937 8240
      2943 8198 2922 8198 2914 8239 2915 8253
TIME...MOT...LOC 0001Z 270DEG 39KT 2923 8241 

HAIL...1.00IN
WIND...60MPH
 
$$

AK
549 
WWUS52 KJAX 070019
SVSJAX

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

FLC083-070045-
/O.CON.KJAX.SV.W.0008.000000T0000Z-210207T0045Z/
Marion FL-
719 PM EST Sat Feb 6 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EST
FOR CENTRAL MARION COUNTY...

At 719 PM EST, a severe thunderstorm was located over Ocala Airport,
or near Ocala, moving east at 40 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Ocala, Sparr, Anthony, Burbank and Lowell. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a basement or small
interior room.

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

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Jacksonville.

&&

LAT...LON 2915 8234 2935 8231 2935 8198 2922 8198
TIME...MOT...LOC 0019Z 267DEG 34KT 2920 8223 

HAIL...1.00IN
WIND...60MPH
 
$$

AK
088 
WWUS52 KJAX 070028
SVSJAX

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

FLC083-070038-
/O.CAN.KJAX.SV.W.0008.000000T0000Z-210207T0045Z/
Marion FL-
728 PM EST Sat Feb 6 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MARION COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However small hail, gusty
winds and heavy rain are still possible with this thunderstorm.

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

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Jacksonville.

LAT...LON 2915 8234 2935 8231 2935 8198 2922 8198
TIME...MOT...LOC 0027Z 256DEG 40KT 2923 8211 

$$

AK

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 6, 10:45 AM ESTSmall Craft AdvisoryJAX23 hr
Feb 6, 3:59 PM ESTSpecial Weather StatementJAXGilchrist46 min
Feb 6, 4:14 PM ESTSpecial Weather StatementJAXMarion46 min
Feb 6, 4:42 PM ESTSpecial Weather StatementJAXAlachua, Gilchrist48 min
Feb 6, 4:59 PM ESTSevere Thunderstorm WarningJAXAlachua, Bradford, Columbia, Gilchrist, Union46 min
Feb 6, 5:02 PM ESTSpecial Weather StatementJAXClay, Putnam43 min
Feb 6, 5:06 PM ESTSpecial Weather StatementJAXMarion39 min
Feb 6, 5:37 PM ESTSpecial Weather StatementJAXMarion, Putnam38 min
Feb 6, 5:39 PM ESTSpecial Weather StatementJAXClay, Duval51 min
Feb 6, 5:41 PM ESTTornado WarningJAXFlagler, Putnam34 min
Feb 6, 5:46 PM ESTSpecial Weather StatementJAXAlachua, Bradford, Gilchrist, Union44 min
Feb 6, 6:03 PM ESTSpecial Marine WarningJAX57 min
Feb 6, 6:07 PM ESTSevere Thunderstorm WarningJAXFlagler, Saint Johns23 min
Feb 6, 6:30 PM ESTSpecial Weather StatementJAXFlagler45 min
Feb 6, 6:32 PM ESTSpecial Weather StatementJAXAlachua, Bradford, Clay43 min
Feb 6, 6:51 PM ESTSpecial Weather StatementJAXFlagler24 min
Feb 6, 6:55 PM ESTSpecial Marine WarningJAX65 min
Feb 6, 6:56 PM ESTSpecial Marine WarningJAX64 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.