Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Jacksonville, FL

May 11, 2021Jeff Davis County, Georgia

NWS Jacksonville, FL issued this special weather statement at May 11, 2021, 10:24 PM EDT for Jeff Davis County, Georgia. It was in force for 51 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
May 11, 2021, 10:24 PM EDT (02:24 UTC)
Expired
May 11, 2021, 11:15 PM EDT
In force
51 min
Issued by
NWS Jacksonville, FL

County Jeff Davis County, GA

The radar

The Robins AFB radar (KJGX), 110 km from the middle of the area, began a volume at 02:24 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 00:00Z, 2.4 hours before the alert went out and 179 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 00:00Z on 2021-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 696 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 00:00Z on 2021-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 square meters per square second.193958Sfc1 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
696 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
973 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.5

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 May 11, 9:21 PM EDT, 1 hour 3 minutes earlier.

Area forecast discussion, May 11, 9:21 PM EDT, 1 hour 3 minutes before
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In the hours before

Special weather statement, May 11, 5:52 PM EDT, 4 hours 32 minutes before
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Local storm report, May 11, 6:11 PM EDT, 4 hours 13 minutes before
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Special weather statement, May 11, 6:27 PM EDT, 3 hours 57 minutes before
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Special weather statement, May 11, 6:38 PM EDT, 3 hours 46 minutes before
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Special weather statement, May 11, 7:16 PM EDT, 3 hours 8 minutes before
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Special weather statement, May 11, 10:24 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Jacksonville FL
1024 PM EDT Tue May 11 2021

GAZ133-120315-
Jeff Davis GA-
1024 PM EDT Tue May 11 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN JEFF DAVIS COUNTY UNTIL
1115 PM EDT...

* At 1023 PM EDT, National Weather Service meteorologists were
  tracking a strong thunderstorm 9 miles northwest of Snipesville, or
  13 miles west of Hazlehurst, moving east at 30 mph.

* Winds in excess of 40 mph possible with this storm.

* Locations impacted include...
  Hazlehurst and Graham.

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 3197 8243 3184 8243 3181 8284 3184 8278
      3185 8279 3186 8276 3188 8274 3190 8269
      3192 8268 3192 8265 3194 8260 3193 8259
      3196 8256 3196 8253 3195 8249 3195 8248
      3196 8250 3197 8248
TIME...MOT...LOC 0223Z 261DEG 25KT 3188 8282

ZIBURA

The office that day

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

IssuedProductOfficeCountiesLasted
May 11, 11:04 PM EDTSpecial Weather StatementJAXSuwannee41 min
May 12, 3:48 AM EDTSmall Craft AdvisoryJAX4 days
May 12, 2:11 PM EDTSpecial Weather StatementJAXHamilton49 min
May 12, 2:19 PM EDTSpecial Weather StatementJAXUnion41 min
May 12, 2:50 PM EDTSevere Thunderstorm WarningJAXBaker, Columbia, Hamilton55 min
May 12, 3:02 PM EDTSpecial Weather StatementJAXBaker43 min
May 12, 3:12 PM EDTSpecial Marine WarningJAX93 min
May 12, 3:21 PM EDTSpecial Weather StatementJAXNassau39 min
May 12, 3:23 PM EDTSpecial Marine WarningJAX67 min
May 12, 4:02 PM EDTSpecial Weather StatementJAXSaint Johns43 min
May 12, 4:15 PM EDTSpecial Weather StatementJAXNassau60 min
May 12, 4:16 PM EDTSpecial Weather StatementJAXNassau59 min
May 12, 4:32 PM EDTSpecial Weather StatementJAXDuval28 min
May 12, 4:38 PM EDTSpecial Marine WarningJAX88 min
May 12, 4:46 PM EDTSpecial Weather StatementJAXSaint Johns29 min
May 12, 4:48 PM EDTSpecial Marine WarningJAX42 min
May 12, 5:07 PM EDTSpecial Weather StatementJAXFlagler38 min
May 12, 5:24 PM EDTSpecial Marine WarningJAX66 min
May 12, 6:04 PM EDTSpecial Marine WarningJAX86 min
May 12, 7:29 PM EDTSpecial Marine WarningJAX31 min
May 11, 10:47 PM EDTSpecial Weather StatementJAXJeff Davis43 min
May 12, 12:20 PM EDTSpecial Weather StatementJAXCoffee55 min
May 12, 1:06 PM EDTSpecial Weather StatementJAXAppling, Bacon54 min
May 12, 2:02 PM EDTSpecial Weather StatementJAXBrantley, Pierce, Wayne43 min
May 12, 2:14 PM EDTSevere Thunderstorm WarningJAXBrantley, Glynn, Pierce, Ware, Wayne46 min
May 12, 2:39 PM EDTSpecial Weather StatementJAXBrantley51 min
May 12, 2:44 PM EDTSevere Thunderstorm WarningJAXBrantley, Camden, Glynn, Wayne47 min
May 12, 3:30 PM EDTSpecial Weather StatementJAXCamden30 min
May 12, 3:42 PM EDTSpecial Weather StatementJAXCharlton48 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.