Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Jacksonville, FL

June 29, 2021Atkinson County, Georgia

NWS Jacksonville, FL issued this special weather statement at Jun 29, 2021, 4:41 PM EDT for Atkinson County, Georgia. It was in force for 49 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 29, 2021, 4:41 PM EDT (20:41 UTC)
Expired
Jun 29, 2021, 5:30 PM EDT
In force
49 min
Issued by
NWS Jacksonville, FL

County Atkinson County, GA

The radar

The Moody AFB radar (KVAX), 48 km from the middle of the area, began a volume at 20:43 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, 8.7 hours before the alert went out and 157 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 2021-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1821 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 2021-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 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
1821 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
617 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

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 29, 3:23 PM EDT, 1 hour 18 minutes earlier.

Area forecast discussion, Jun 29, 3:23 PM EDT, 1 hour 18 minutes before
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In the hours before

Special weather statement, Jun 29, 2:15 PM EDT, 2 hours 26 minutes before
Special Weather Statement
National Weather Service Jacksonville FL
215 PM EDT Tue Jun 29 2021

FLZ021-030-035-136-222-236-291900-
Eastern Alachua FL-Southern Columbia FL-Western Alachua FL-Union FL-
Suwannee FL-Gilchrist FL-
215 PM EDT Tue Jun 29 2021

...SIGNIFICANT WEATHER ADVISORY FOR GILCHRIST...NORTHWESTERN
ALACHUA...SOUTHWESTERN UNION...SOUTHWESTERN COLUMBIA AND SOUTHEASTERN
SUWANNEE COUNTIES UNTIL 300 PM EDT...

* At 215 PM EDT, National Weather Service meteorologists were
  tracking strong thunderstorms along a line extending from High
  Springs to near Andrews. Movement was northwest at 10 mph.

* Winds in excess of 45 mph and minor flooding due to heavy rainfall
  is possible with these storms.

* Locations impacted include...
  Trenton, Bell, Ichetucknee Spring, Columbia, High Springs, Fort
  White and Hildreth.

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.

Torrential rainfall is occurring with these storms, 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 2964 8296 2970 8296 2970 8294 2972 8296
      2972 8294 2976 8295 2980 8292 2981 8293
      2983 8289 2988 8287 2990 8290 2990 8292
      3008 8269 2989 8243 2958 8278 2959 8296
      2962 8297
TIME...MOT...LOC 1815Z 122DEG 10KT 2984 8261 2958 8289

CHANEY
Special weather statement, Jun 29, 2:36 PM EDT, 2 hours 5 minutes before
Special Weather Statement
National Weather Service Jacksonville FL
236 PM EDT Tue Jun 29 2021

FLZ035-291915-
Gilchrist FL-
236 PM EDT Tue Jun 29 2021

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL GILCHRIST COUNTY UNTIL
315 PM EDT...

* At 235 PM EDT, National Weather Service meteorologists were
  tracking a strong thunderstorm over Bell, moving west at 15 mph.

* Wind gusts up to 50 mph, excessive cloud-to-ground lightning, and
  minor flooding due to heavy rainfall is possible with this storm.

* Locations impacted include...
  Bell.

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.

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

Frequent cloud to ground lightning is occurring with this storm. If
you can hear thunder, you are close enough to be struck! Seek a safe
shelter inside a building or vehicle.

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 2970 8296 2970 8294 2972 8295 2972 8294
      2973 8295 2975 8294 2976 8295 2980 8292
      2981 8293 2983 8292 2983 8289 2987 8288
      2981 8274 2964 8281 2966 8295
TIME...MOT...LOC 1835Z 108DEG 14KT 2974 8288

CHANEY
Special weather statement, Jun 29, 2:49 PM EDT, 1 hour 52 minutes before
Special Weather Statement
National Weather Service Jacksonville FL
249 PM EDT Tue Jun 29 2021

FLZ020-122-GAZ162-163-291930-
Hamilton FL-Northern Columbia FL-Clinch GA-Echols GA-
249 PM EDT Tue Jun 29 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL COLUMBIA...
NORTHEASTERN HAMILTON...EASTERN ECHOLS AND CENTRAL CLINCH COUNTIES
UNTIL 330 PM EDT...

* At 249 PM EDT, National Weather Service meteorologists were
  tracking strong thunderstorms along a line extending from near
  Needmore to near Belmont. Movement was northwest at 15 mph.

* Winds in excess of 45 mph possible with these storms.

* Locations impacted include...
  Belmont and Needmore.

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 3099 8290 3057 8298 3040 8263 3078 8258
TIME...MOT...LOC 1849Z 139DEG 12KT 3076 8268 3048 8267

CHANEY
Special weather statement, Jun 29, 3:19 PM EDT, 1 hour 22 minutes before
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Special weather statement, Jun 29, 3:24 PM EDT, 1 hour 17 minutes before
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Special weather statement, Jun 29, 4:41 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 29, 1:08 PM EDTSpecial Weather StatementJAXUnion52 min
Jun 29, 1:12 PM EDTSpecial Weather StatementJAXMarion48 min
Jun 29, 1:12 PM EDTSpecial Weather StatementJAXAlachua48 min
Jun 29, 1:33 PM EDTSpecial Weather StatementJAXAlachua27 min
Jun 29, 1:53 PM EDTSpecial Weather StatementJAXAlachua37 min
Jun 29, 1:55 PM EDTSpecial Weather StatementJAXBaker35 min
Jun 29, 2:15 PM EDTSpecial Weather StatementJAXGilchrist45 min
Jun 29, 2:36 PM EDTSpecial Weather StatementJAXGilchrist39 min
Jun 29, 3:19 PM EDTSpecial Weather StatementJAXHamilton41 min
Jun 29, 3:24 PM EDTSpecial Weather StatementJAXSuwannee51 min
Jun 29, 2:13 PM EDTSpecial Weather StatementJAXClinch47 min
Jun 29, 2:49 PM EDTSpecial Weather StatementJAXEchols41 min

Nearby

Special Weather Statements in Georgia, 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.