Alert archive / Georgia / Special Weather Statements in 2012

Special Weather Statement, NWS Atlanta, GA

September 18, 2012Bibb County, Jones County, Monroe County, Georgia

NWS Atlanta, GA issued this special weather statement at Sep 18, 2012, 2:46 PM EDT for Bibb County, Jones County, Monroe County, Georgia. It was in force for 29 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 18, 2012, 2:46 PM EDT (18:46 UTC)
Expired: Sep 18, 2012, 3:15 PM EDT
In force: 29 min
Issued by: NWS Atlanta, GA

Counties Bibb County, GA, Jones County, GA, Monroe County, GA

The radar

The Robins AFB radar (KJGX), 52 km from the middle of the area, began a volume at 18:47 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 12:00Z, 6.8 hours before the alert went out and 82 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: 491 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 549 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 272 m²/s²
0-3 km storm-relative helicity: 292 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 4.3

Open this sounding in Storm Lab

The text

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

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

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 Sep 18, 2:21 PM EDT, 25 minutes earlier.

Area forecast discussion, Sep 18, 2:21 PM EDT, 25 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Sep 18, 1:49 PM EDT, 57 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

In the hours before

Special weather statement, Sep 18, 11:33 AM EDT, 3 hours 13 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1133 AM EDT TUE SEP 18 2012

GAZ052-053-066-067-181600-
1133 AM EDT TUE SEP 18 2012

...SIGNIFICANT WEATHER ADVISORY FOR 40 MPH WINDS IN TROUP...
MERIWETHER...COWETA AND HEARD COUNTIES UNTIL NOON EDT...

AT 1132 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS FROM PLANT YATES TO HOGANSVILLE...MOVING EAST AT
30 MPH.

WIND GUSTS OF 40 MPH ARE LIKELY AS THESE STORMS MOVE ACROSS TROUP...
MERIWETHER...COWETA AND HEARD COUNTIES THROUGH NOON EDT. SOME
LOCATIONS IN THE PATH OF THESE STORMS INCLUDE LOUISE...
HARRISONVILLE...LAGRANGE...POWERS CROSSROADS...HANDY...PLANT YATES...
CORINTH...HOGANSVILLE...ARNCO-SARGENT...SAINT MARKS...ROSCOE...LONE
OAK...DUNAWAY GARDENS...GRANTVILLE AND NEWNAN. BRIEF HEAVY RAINFALL
CAN BE EXPECTED WITH THESE STORMS AS WELL.

&&

LAT...LON 3325 8501 3343 8503 3343 8500 3346 8498
      3344 8496 3344 8492 3351 8485 3350 8461
      3348 8463 3342 8462 3334 8456 3317 8459
      3302 8505
TIME...MOT...LOC 1533Z 249DEG 25KT 3343 8492 3328 8490
          3315 8493

Special weather statement, Sep 18, 11:57 AM EDT, 2 hours 49 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1157 AM EDT TUE SEP 18 2012

GAZ044-053>055-067-181630-
1157 AM EDT TUE SEP 18 2012

...SIGNIFICANT WEATHER ADVISORY FOR 40 MPH WINDS IN MERIWETHER...
COWETA...FAYETTE...CLAYTON AND FULTON COUNTIES UNTIL 1230 PM EDT...

AT 1155 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS FROM TYRONE TO SHARPSBURG...MOVING EAST AT 35
MPH.

WIND GUSTS OF 40 MPH ARE LIKELY AS THESE STORMS MOVE ACROSS
MERIWETHER...COWETA...FAYETTE...CLAYTON AND FULTON COUNTIES THROUGH
1230 PM EDT. SOME LOCATIONS IN THE PATH OF THESE STORMS INCLUDE
PALMETTO...THOMAS CROSSROADS...CANNONGATE...MADRAS...MORELAND...
FAIRBURN...TYRONE...TURIN...SHARPSBURG...UNION CITY...SENOIA...SANDY
CREEK...PEACHTREE CITY...STARRS MILL AND HARTSFIELD-JACKSON AIRPORT.
BRIEF HEAVY RAINFALL CAN BE EXPECTED WITH THESE STORMS AS WELL.

&&

LAT...LON 3341 8477 3360 8461 3367 8439 3363 8426
      3359 8424 3355 8426 3355 8429 3349 8428
      3344 8430 3343 8430 3343 8436 3335 8435
      3335 8439 3332 8438 3321 8480
TIME...MOT...LOC 1557Z 253DEG 32KT 3352 8459 3344 8466
          3333 8468

Special weather statement, Sep 18, 1:29 PM EDT, 1 hour 17 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
129 PM EDT TUE SEP 18 2012

GAZ048-056>059-068-070-071-181815-
129 PM EDT TUE SEP 18 2012

...SIGNIFICANT WEATHER ADVISORY FOR 40 MPH WINDS IN SPALDING...
PIKE...NEWTON...MONROE...LAMAR...BUTTS...HENRY AND JASPER COUNTIES
UNTIL 215 PM EDT...

AT 121 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER ROVER...MOVING EAST AT 40 MPH.

WIND GUSTS OF 40 MPH ARE LIKELY AS THIS STORM MOVES ACROSS
SPALDING...PIKE...NEWTON...MONROE...LAMAR...BUTTS...HENRY AND JASPER
COUNTIES THROUGH 215 PM EDT. SOME LOCATIONS IN THE PATH OF THE STORM
INCLUDE EXPERIMENT...HIGHLAND MILLS...ROVER...ORCHARD HILL...
GRIFFIN...LIBERTY HILL...WALKER MILL...TOWALAGA...CHAPPEL MILL...
LUELLA...HIGH FALLS STATE PARK...LOCUST GROVE...MCKIBBEN...BLOUNT AND
JENKINSBURG.

&&

LAT...LON 3351 8381 3315 8372 3312 8435 3329 8438
TIME...MOT...LOC 1728Z 255DEG 35KT 3322 8425

KS

Special weather statement, Sep 18, 2:16 PM EDT, 30 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Special weather statement, Sep 18, 2:46 PM EDT, 0 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 18, 12:21 AM EDT	Special Weather Statement	FFC	Johnson, Laurens, Wilkinson	24 min
Sep 18, 1:06 AM EDT	Special Weather Statement	FFC	Dade	54 min
Sep 18, 3:27 AM EDT	River Flood Warning	FFC	Dade	15 hr
Sep 18, 6:25 AM EDT	Special Weather Statement	FFC	Chattooga	65 min
Sep 18, 7:18 AM EDT	Special Weather Statement	FFC	Marion, Schley, Webster	42 min
Sep 18, 7:52 AM EDT	Special Weather Statement	FFC	Crawford, Macon, Peach, Schley	38 min
Sep 18, 8:22 AM EDT	Special Weather Statement	FFC	Baldwin, Jones	23 min
Sep 18, 11:33 AM EDT	Special Weather Statement	FFC	Coweta, Troup	27 min
Sep 18, 11:57 AM EDT	Special Weather Statement	FFC	Clayton, Coweta, Fayette	33 min
Sep 18, 1:29 PM EDT	Special Weather Statement	FFC	Butts, Spalding	46 min
Sep 18, 2:16 PM EDT	Special Weather Statement	FFC	Monroe, Upson	29 min
Sep 18, 3:42 PM EDT	Special Weather Statement	FFC	Hancock, Putnam	48 min

Nearby

Special Weather Statements in Georgia, 2012 Every special weather statement in 2012

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.