Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Jacksonville, FL

September 16, 2021Brantley County, Pierce County, Wayne County, Georgia

NWS Jacksonville, FL issued this special weather statement at Sep 16, 2021, 4:14 PM EDT for Brantley County, Pierce County, Wayne County, Georgia. It was in force for 31 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: Sep 16, 2021, 4:14 PM EDT (20:14 UTC)
Expired: Sep 16, 2021, 4:45 PM EDT
In force: 31 min
Issued by: NWS Jacksonville, FL
Hail: 0.00 in
Wind: 50

Counties Brantley County, GA, Pierce County, GA, Wayne County, GA

The radar

The Jacksonville radar (KJAX), 102 km from the middle of the area, began a volume at 20:16 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, 8.2 hours before the alert went out and 101 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1536 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 760 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 43 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

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 Sep 16, 2:00 PM EDT, 2 hours 14 minutes earlier.

Area forecast discussion, Sep 16, 2:00 PM EDT, 2 hours 14 minutes before

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In the hours before

Special weather statement, Sep 16, 3:00 PM EDT, 1 hour 14 minutes before

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Special weather statement, Sep 16, 3:02 PM EDT, 1 hour 12 minutes before

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Special weather statement, Sep 16, 3:22 PM EDT, 52 minutes before

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Local storm report, Sep 16, 3:44 PM EDT, 30 minutes before

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Special weather statement, Sep 16, 3:47 PM EDT, 27 minutes before

Special Weather Statement
National Weather Service Jacksonville FL
347 PM EDT Thu Sep 16 2021

GAZ134>136-151-152-165-250-264-364-162015-
Pierce GA-Northeastern Charlton GA-Bacon GA-Appling GA-
Inland Camden GA-Western Charlton GA-Brantley GA-Wayne GA-
Northern Ware GA-
347 PM EDT Thu Sep 16 2021

...Strong thunderstorms will impact portions of west central Camden,
Pierce, Brantley, eastern Ware, southeastern Bacon, southwestern
Wayne, southeastern Appling and northeastern Charlton Counties
through 415 PM EDT...

At 346 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from Bristol to near Nahunta to near Race Pond.
Movement was northeast at 15 mph.

HAZARD...Winds in excess of 40 mph and minor flooding due to heavy
         rainfall.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor flooding due to heavy rainfall is
         possible.

Locations impacted include...
Blackshear, Nahunta, Patterson, Screven, Offerman, Hickox, Raybon,
Race Pond, Fort Mudge and Bristol.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Conditions are favorable for the development of weak, brief funnel
clouds. If a funnel cloud is spotted move indoors and report your
sighting to the National Weather Service.

&&

LAT...LON 3162 8207 3131 8178 3097 8191 3097 8226
      3116 8225 3145 8238
TIME...MOT...LOC 1946Z 244DEG 13KT 3145 8224 3122 8203 3097 8211

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

NGUYEN

Special weather statement, Sep 16, 4:14 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service Jacksonville FL
414 PM EDT Thu Sep 16 2021

GAZ134>136-151-152-162045-
Pierce GA-Bacon GA-Appling GA-Brantley GA-Wayne GA-
414 PM EDT Thu Sep 16 2021

...A strong thunderstorm will impact portions of Pierce, north
central Brantley, eastern Bacon, southern Wayne and southeastern
Appling Counties through 445 PM EDT...

At 414 PM EDT, Doppler radar was tracking a strong thunderstorm over
Offerman, or near Patterson, moving north at 20 mph.

HAZARD...Wind gusts up to 50 mph and minor flooding due to heavy
         rainfall.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor flooding due to heavy rainfall is
         possible.

Locations impacted include...
Blackshear, Nahunta, Patterson, Screven, Offerman, Hickox, Bristol,
Raybon, Hortense and Broadhurst.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Conditions are favorable for the development of weak, brief funnel
clouds. If a funnel cloud is spotted move indoors and report your
sighting to the National Weather Service.

&&

LAT...LON 3113 8201 3136 8230 3168 8225 3147 8169
TIME...MOT...LOC 2014Z 201DEG 18KT 3141 8208

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

NGUYEN

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 16, 3:02 PM EDT	Special Weather Statement	JAX	Duval, Nassau	28 min
Sep 16, 4:55 PM EDT	Special Weather Statement	JAX	Nassau	35 min
Sep 16, 5:28 PM EDT	Special Weather Statement	JAX	Duval	32 min
Sep 16, 5:55 PM EDT	Special Weather Statement	JAX	Duval	35 min
Sep 16, 6:07 PM EDT	Flash Flood Warning	JAX	Clay, Duval, Saint Johns	3 hr
Sep 16, 10:37 AM EDT	Areal Flood Warning	JAX	Coffee	3 hr
Sep 16, 12:01 PM EDT	Special Weather Statement	JAX	Coffee	29 min
Sep 16, 12:39 PM EDT	Special Weather Statement	JAX	Coffee, Jeff Davis	51 min
Sep 16, 1:38 PM EDT	Special Weather Statement	JAX	Jeff Davis	52 min
Sep 16, 2:34 PM EDT	Special Weather Statement	JAX	Appling, Bacon	26 min
Sep 16, 3:00 PM EDT	Special Weather Statement	JAX	Appling, Bacon, Pierce	30 min
Sep 16, 3:22 PM EDT	Special Weather Statement	JAX	Brantley, Pierce	23 min
Sep 16, 3:47 PM EDT	Special Weather Statement	JAX	Brantley, Pierce	28 min
Sep 16, 6:16 PM EDT	Areal Flood Warning	JAX	Brantley, Camden, Glynn, Wayne	3 hr
Sep 16, 6:21 PM EDT	Special Weather Statement	JAX	Clinch	24 min

Nearby

Special Weather Statements in Georgia, 2021 Every 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.