Alert archive / Georgia / Red Flag Warnings in 2020

Red Flag Warning 2, NWS Atlanta, GA

May 11, 202036 counties in Georgia

NWS Atlanta, GA issued this red flag warning at May 11, 2020, 3:45 AM EDT for 36 counties in Georgia. It took effect at May 11, 2020, 1:00 PM EDT. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 11, 2020, 3:45 AM EDT (07:45 UTC)
In effect from
May 11, 2020, 1:00 PM EDT
Expired
May 11, 2020, 8:00 PM EDT
In force
7 hr
Issued by
NWS Atlanta, GA
All 36 counties

Baldwin County, GA, Bibb County, GA, Bleckley County, GA, Chattahoochee County, GA, Crawford County, GA, Crisp County, GA, Dodge County, GA, Dooly County, GA, Emanuel County, GA, Glascock County, GA, Hancock County, GA, Houston County, GA, Jefferson County, GA, Johnson County, GA, Jones County, GA, Laurens County, GA, Macon County, GA, Marion County, GA, Montgomery County, GA, Muscogee County, GA, Peach County, GA, Pulaski County, GA, Schley County, GA, Stewart County, GA, Sumter County, GA, Taylor County, GA, Telfair County, GA, Toombs County, GA, Treutlen County, GA, Twiggs County, GA, Warren County, GA, Washington County, GA, Webster County, GA, Wheeler County, GA, Wilcox County, GA, Wilkinson County, GA

The radar

The Robins AFB radar (KJGX), 22 km from the middle of the area, began a volume at 07:42 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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 7.8 hours before the alert went out and 137 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, Peachtre/Fal Fld, GA at 00:00Z on 2020-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Peachtre/Fal Fld, GA at 00:00Z on 2020-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2973 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
135 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

186 
WWUS82 KFFC 110745
RFWFFC

URGENT - FIRE WEATHER MESSAGE
National Weather Service Peachtree City GA
345 AM EDT Mon May 11 2020

GAZ061-062-072>076-080>086-089>098-102>113-120000-
/O.UPG.KFFC.FW.A.0001.200511T1700Z-200512T0000Z/
/O.NEW.KFFC.FW.W.0002.200511T1700Z-200512T0000Z/
Hancock-Warren-Jones-Baldwin-Washington-Glascock-Jefferson-Taylor-
Crawford-Bibb-Twiggs-Wilkinson-Johnson-Emanuel-Muscogee-
Chattahoochee-Marion-Schley-Macon-Peach-Houston-Bleckley-Laurens-
Treutlen-Stewart-Webster-Sumter-Dooly-Crisp-Pulaski-Wilcox-Dodge-
Telfair-Wheeler-Montgomery-Toombs-
345 AM EDT Mon May 11 2020

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM
EDT THIS EVENING FOR LOW RH AND WINDS FOR PORTIONS OF CENTRAL
GEORGIA...

The National Weather Service in Peachtree City has issued a Red
Flag Warning for low RH and winds, which is in effect from 1 PM 
this afternoon to 8 PM EDT this evening. The Fire Weather Watch is
no longer in effect.

* Affected Area...Portions of central Georgia.

* Timing...Monday afternoon through around sunset.

* Winds...Northwest 10 to 20 mph with gusts to around 25 mph.

* Relative Humidity...20 to 25 percent.

* Temperatures...mid 70s.

* Impacts...The low humidity and gusty winds in addition to dry 
  fuels will increase the potential for fires to spread rapidly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...


A Red Flag Warning means that critical fire weather conditions
are either occurring...or will occur within 24 hours.


Please advise the appropriate officials or fire crews in the
field of the Red Flag Warning.

&&

$$

Nearby

Red Flag Warnings in Georgia, 2020Every red flag warning in 2020

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.