Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Jacksonville, FL

June 10, 2021Duval County, Florida

NWS Jacksonville, FL issued this special weather statement at Jun 10, 2021, 6:12 PM EDT for Duval County, Florida. It was in force for 33 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 10, 2021, 6:12 PM EDT (22:12 UTC)
Expired
Jun 10, 2021, 6:45 PM EDT
In force
33 min
Issued by
NWS Jacksonville, FL

County Duval County, FL

The radar

The Jacksonville radar (KJAX), 12 km from the middle of the area, began a volume at 22:12 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 12:00Z, 10.2 hours before the alert went out and 13 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 2021-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 302 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, Jacksonville, FL at 12:00Z on 2021-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 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
302 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
852 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
51 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Jacksonville, FL wrote its last area forecast discussion before this special weather statement went out at Jun 10, 5:05 PM EDT, 1 hour 7 minutes earlier.

Area forecast discussion, Jun 10, 5:05 PM EDT, 1 hour 7 minutes before
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In the hours before

Special weather statement, Jun 10, 4:10 PM EDT, 2 hours 2 minutes before
Special Weather Statement
National Weather Service Jacksonville FL
410 PM EDT Thu Jun 10 2021

FLZ136-102100-
Eastern Alachua FL-
410 PM EDT Thu Jun 10 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN ALACHUA COUNTY UNTIL
500 PM EDT...

* At 409 PM EDT, National Weather Service meteorologists were
  tracking a strong thunderstorm centered 7 miles north of
  Gainesville, moving northeast at 10 mph.

* Minor flooding due to heavy rainfall is possible with these storms
  along with strong gusty winds.

* This storm will remain over mainly rural areas of northeastern
  Alachua County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is occurring with this storm, and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

To report severe weather, contact your nearest law enforcement
agency. You can also share your report with NWS Jacksonville on
Facebook and Twitter.

&&

LAT...LON 2986 8236 2985 8228 2984 8228 2985 8227
      2983 8217 2971 8222 2972 8247 2973 8248
TIME...MOT...LOC 2009Z 236DEG 8KT 2979 8232

ZIBURA
Special weather statement, Jun 10, 4:14 PM EDT, 1 hour 58 minutes before
Special Weather Statement
National Weather Service Jacksonville FL
414 PM EDT Thu Jun 10 2021

FLZ340-102100-
Western Marion FL-
414 PM EDT Thu Jun 10 2021

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN MARION COUNTY UNTIL 500
PM EDT...

* At 414 PM EDT, National Weather Service meteorologists were
  tracking a strong thunderstorm 7 miles northwest of Ocala Airport,
  or 8 miles northeast of Rainbow Lakes Estates, moving south at 10
  mph.

* Minor flooding due to heavy rainfall is possible with this storm.

* This storm will remain over mainly rural areas of western Marion
  County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is occurring with this storm, and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

To report severe weather, contact your nearest law enforcement
agency. You can also share your report with NWS Jacksonville on
Facebook and Twitter.

&&

LAT...LON 2923 8240 2939 8240 2940 8230 2903 8219
      2901 8232
TIME...MOT...LOC 2014Z 340DEG 9KT 2922 8233

ZIBURA
Special weather statement, Jun 10, 4:17 PM EDT, 1 hour 55 minutes before
Special Weather Statement
National Weather Service Jacksonville FL
417 PM EDT Thu Jun 10 2021

FLZ124-125-102100-
Coastal Nassau FL-Coastal Duval FL-
417 PM EDT Thu Jun 10 2021

...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL NASSAU AND
NORTHEASTERN DUVAL COUNTIES UNTIL 500 PM EDT...

* At 417 PM EDT, National Weather Service meteorologists were
  tracking a strong thunderstorm near Yulee, or 7 miles southwest of
  Fernandina Beach, moving east at 10 mph.

* Winds in excess of 45 mph possible with this storm.

* This storm will remain over mainly rural areas of east central
  Nassau and northeastern Duval Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

These winds can down small tree limbs and branches, and blow around
unsecured small objects. Seek shelter in a safe building until the
storm passes.

To report severe weather, contact your nearest law enforcement
agency. You can also share your report with NWS Jacksonville on
Facebook and Twitter.

&&

LAT...LON 3051 8156 3061 8155 3062 8142 3050 8142
TIME...MOT...LOC 2017Z 270DEG 7KT 3056 8152

ZIBURA
Special weather statement, Jun 10, 4:49 PM EDT, 1 hour 23 minutes before
Special Weather Statement
National Weather Service Jacksonville FL
449 PM EDT Thu Jun 10 2021

FLZ132-137-232-237-102130-
Eastern Clay FL-Western Clay FL-Eastern Putnam FL-Western Putnam FL-
449 PM EDT Thu Jun 10 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL PUTNAM AND CENTRAL
CLAY COUNTIES UNTIL 530 PM EDT...

* At 449 PM EDT, National Weather Service meteorologists were
  tracking a strong thunderstorm over George's Lake, or 11 miles east
  of Keystone Heights, moving east at 15 mph.

* Winds in excess of 45 mph possible with this storm.

* Locations impacted include...
  Bostwick, Bardin, George's Lake, Florahome, Penney Farms and
  Carraway.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

These winds can down small tree limbs and branches, and blow around
unsecured small objects. Seek shelter in a safe building until the
storm passes.

To report severe weather, contact your nearest law enforcement
agency. You can also share your report with NWS Jacksonville on
Facebook and Twitter.

&&

LAT...LON 2998 8193 2998 8168 2969 8160 2969 8189
TIME...MOT...LOC 2049Z 279DEG 14KT 2981 8186

ZIBURA
Special weather statement, Jun 10, 5:27 PM EDT, 45 minutes before
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Special weather statement, Jun 10, 6:12 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 2:48 PM EDTSpecial Weather StatementJAXAlachua42 min
Jun 10, 4:10 PM EDTSpecial Weather StatementJAXAlachua50 min
Jun 10, 4:14 PM EDTSpecial Weather StatementJAXMarion46 min
Jun 10, 4:17 PM EDTSpecial Weather StatementJAXNassau43 min
Jun 10, 4:30 PM EDTSpecial Marine WarningJAX27 min
Jun 10, 4:49 PM EDTSpecial Weather StatementJAXClay41 min
Jun 10, 5:27 PM EDTSpecial Weather StatementJAXDuval33 min

Nearby

Special Weather Statements in Florida, 2021Every special weather statement 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.