Alert archive / Georgia / Special Weather Statements in 2021

Special Weather Statement, NWS Atlanta, GA

September 16, 2021Telfair County, Georgia

NWS Atlanta, GA issued this special weather statement at Sep 16, 2021, 12:21 PM EDT for Telfair County, Georgia. It was in force for 54 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, 12:21 PM EDT (16:21 UTC)
Expired
Sep 16, 2021, 1:15 PM EDT
In force
54 min
Issued by
NWS Atlanta, GA
Hail
0.00 in
Wind
30

County Telfair County, GA

The radar

The Robins AFB radar (KJGX), 101 km from the middle of the area, began a volume at 16:25 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, 4.4 hours before the alert went out and 192 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 2021-09-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1536 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-09-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 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
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.

342 
WWUS82 KFFC 161621
SPSFFC

Special Weather Statement
National Weather Service Peachtree City GA
1221 PM EDT Thu Sep 16 2021
 
GAZ110-161715-
Telfair GA-
1221 PM EDT Thu Sep 16 2021

...Heavy rainfall will impact portions of southwestern Telfair 
County through 115 PM EDT...

At 1218 PM EDT, continued heavy rain was over Jacksonville, or 13 
miles northwest of Broxton. The showers with heavy rain are moving 
slowly to the north.

HAZARD...Heavy rain.

SOURCE...Radar indicated.

IMPACT...Heavy rain may cause temporary street flooding especially 
         in poor drainage areas.

Locations impacted include...
Jacksonville, China Hill, Horse Creek Wma and Workmore. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists should slow down and be prepared for possible loss of
control due to hydroplaning.

&&

LAT...LON 3180 8308 3181 8309 3181 8310 3182 8311
      3181 8312 3192 8314 3201 8298 3192 8279
      3181 8284 3178 8286 3178 8289 3179 8290
      3178 8292 3179 8298 3178 8299 3178 8301
TIME...MOT...LOC 1618Z 182DEG 2KT 3181 8298 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...<30 MPH

$$

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 15, 8:06 PM EDTSpecial Weather StatementFFCTelfair24 min
Sep 15, 8:45 PM EDTSpecial Weather StatementFFCDodge, Telfair, Wheeler, Wilcox30 min
Sep 16, 1:13 PM EDTSpecial Weather StatementFFCTelfair62 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.