Alert archive / Georgia / Special Weather Statements in 2013

Special Weather Statement, NWS Atlanta, GA

February 26, 20139 counties in Georgia

NWS Atlanta, GA issued this special weather statement at Feb 26, 2013, 1:46 AM EST for 9 counties in Georgia. It was in force for 104 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: Feb 26, 2013, 1:46 AM EST (06:46 UTC)
Expired: Feb 26, 2013, 3:30 AM EST
In force: 104 min
Issued by: NWS Atlanta, GA

Counties Bartow County, GA, Catoosa County, GA, Chattooga County, GA, Dade County, GA, Floyd County, GA, Gordon County, GA, Murray County, GA, Walker County, GA, Whitfield County, GA

The radar

The Northeast Alabama radar (KHTX), 108 km from the middle of the area, began a volume at 06:46 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

Nashville Metro, TN (KBNA), launched 00:00Z, 6.8 hours before the alert went out and 225 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1760 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 142 m²/s²
0-3 km storm-relative helicity: 164 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 Atlanta, GA wrote its last area forecast discussion before this special weather statement went out at Feb 26, 12:44 AM EST, 1 hour 2 minutes earlier.

Area forecast discussion, Feb 26, 12:44 AM EST, 1 hour 2 minutes before

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Hazardous weather outlook, Feb 25, 3:30 PM EST, 10 hours 16 minutes before

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In the hours before

Special weather statement, Feb 26, 1:46 AM EST, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
146 AM EST TUE FEB 26 2013

GAZ001>005-011-012-019-020-260830-
146 AM EST TUE FEB 26 2013

...SIGNIFICANT WEATHER ADVISORY FOR 45 MPH WINDS IN WHITFIELD...
WALKER...MURRAY...BARTOW...CATOOSA...CHATTOOGA...DADE...FLOYD AND
GORDON COUNTIES UNTIL 330 AM EST...

AT 145 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG WIND GUSTS TO 45 MPH... ASSOCIATED WITH THE BACK EDGE OF AN
AREA OF PRECIPITATION THAT WAS MOVING INTO DADE AND CHATTOOGA
COUNTIES ALONG THE STATE LINE. THIS AREA OF STRONG WINDS WAS MOVING
EAST AT 35 MPH AND WILL SPREAD ACROSS WALKER... CATOOSA...
WHITFIELD... MURRAY...GORDON... AND FLOYD COUNTIES THROUGH 330 AM
EST. THE STRONG WINDS COMBINED WITH WET SOILS COULD DOWN TREES...
AND BLOW UNSECURED OBJECTS AROUND.

THE GRADIENT WINDS WILL REMAIN STRONG OVERNIGHT AND ANY CONVECTION
WILL JUST ENHANCE THE ALREADY STRONG WIND GUSTS.

&&

LAT...LON 3499 8462 3486 8462 3482 8459 3474 8465
      3408 8466 3408 8516 3410 8516 3408 8543
      3486 8559 3499 8560
TIME...MOT...LOC 0638Z 261DEG 33KT 3492 8561 3469 8551
          3452 8554

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 26, 1:42 AM EST	Wind Advisory	FFC	Baldwin, Bartow, Bibb, Bleckley, Butts, Carroll and 77 more	12 hr
Feb 26, 7:35 AM EST	River Flood Warning	FFC	Forsyth	10 hr
Feb 26, 12:15 PM EST	River Flood Warning	FFC	Bibb, Houston, Jones, Monroe, Twiggs	58 hr
Feb 26, 12:15 PM EST	River Flood Warning	FFC	Clarke, Greene, Oconee	42 hr
Feb 26, 1:34 PM EST	River Flood Warning	FFC	Forsyth, Fulton	9 hr
Feb 26, 3:01 PM EST	Areal Flood Warning	FFC	Telfair, Toombs	18 hr
Feb 26, 3:15 PM EST	River Flood Warning	FFC	Dooly	19 hr

Nearby

Special Weather Statements in Georgia, 2013 Every special weather statement in 2013

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.