Alert archive / Georgia / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 64, NWS Atlanta, GA

April 15, 1999Montgomery County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Apr 15, 1999, 12:22 PM EDT for Montgomery County, Georgia. It was in force for 18 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 15, 1999, 12:22 PM EDT (16:22 UTC)
Expired
Apr 15, 1999, 12:40 PM EDT
In force
18 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Montgomery County, GA

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 15, 7:30 AM EDTTornado WatchSPC6 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 4.4 hours before the alert went out and 202 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 1999-04-15Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 12:00Z on 1999-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 244 square meters per square second.1939587897Sfc1 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
1251 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
244 m²/s²
0-3 km storm-relative helicity
294 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.

000 
TTAA00 KATL 151622 RRA
SVRATL
GAC209-151640-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1222 PM EDT THU APR 15 1999

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN MONTGOMERY IN CENTRAL GEORGIA

* UNTIL 1240 PM EDT

* AT 1218 PM EDT... A SEVERE THUNDERSTORM WAS INDICATED BY DOPPLER
  RADAR  IN THE VICINITY OF TARRYTOWN... MOVING EAST AT 50 MPH.

*         THE STORM WILL CONTINUE MOVING EAST THROUGH NORTHERN
          MONTGOMERY COUNTY UNTIL 1240 PM.

A TORNADO WATCH IS ALSO IN EFFECT IN OR NEAR THE WARNED AREA.
SEVERE THUNDERSTORMS OCCASIONALLY PRODUCE TORNADOES WITH LITTLE OR
NO ADVANCE WDARNING. BE ALERT...BUT REMAIN CALM. IF YOU SEE DAMAGE
OR LARGE HAIL...CALL THE NATIONAL WEATHER SERVICE AT 770-486-1133
AT EXTENSION 2 0 4.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Apr 15, 11:06 AM EDT, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1106 AM EDT THU APR 15 1999

GAZ080-091-092-103-151530-
MARION-SCHLEY-TAYLOR-WEBSTER-
1106 AM EDT THU APR 15 1999

THE TORNADO WATCH HAS BEEN CANCELED FOR THE FOLLOWING COUNTIES IN
WEST CENTRAL GEORGIA. TAYLOR...MARION...SCHLEY...WEBSTER

THE LINE OF SEVERE THUNDERSTORMS HAS MOVED EAST.

GAZ083-085-086-093>098-104>113-151530-
BLECKLEY-CRISP-DODGE-DOOLY-EMANUEL-HOUSTON-JOHNSON-LAURENS-MACON-
MONTGOMERY-PEACH-PULASKI-SUMTER-TELFAIR-TOOMBS-TREUTLEN-TWIGGS-
WHEELER-WILCOX-
1106 AM EDT THU APR 15 1999

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1 PM EDT FOR THE FOLLOWING
COUNTIES IN CENTRAL GEORGIA.

PEACH...HOUSTON...TWIGGS...LAURENS...JOHNSON...EMANUEL...MACON...
BLECKLEY...LAURENS...TREUTLEN...SUMTER...DOOLY...CRISP...PULASKI...
WILCOX...DODGE...TELFAIR...WHEELER...MONTGOMERY...AND TOOMBS.
Special weather statement, Apr 15, 11:06 AM EDT, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1106 AM EDT THU APR 15 1999

GAZ080-091-092-103-151530-
MARION-SCHLEY-TAYLOR-WEBSTER-
1106 AM EDT THU APR 15 1999

THE TORNADO WATCH HAS BEEN CANCELED FOR THE FOLLOWING COUNTIES IN
WEST CENTRAL GEORGIA. TAYLOR...MARION...SCHLEY...WEBSTER

THE LINE OF SEVERE THUNDERSTORMS HAS MOVED EAST.

GAZ083-085-086-093>098-104>113-151530-
BLECKLEY-CRISP-DODGE-DOOLY-EMANUEL-HOUSTON-JOHNSON-LAURENS-MACON-
MONTGOMERY-PEACH-PULASKI-SUMTER-TELFAIR-TOOMBS-TREUTLEN-TWIGGS-
WHEELER-WILCOX-
1106 AM EDT THU APR 15 1999

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1 PM EDT FOR THE FOLLOWING
COUNTIES IN CENTRAL GEORGIA.

PEACH...HOUSTON...TWIGGS...LAURENS...JOHNSON...EMANUEL...MACON...
BLECKLEY...LAURENS...TREUTLEN...SUMTER...DOOLY...CRISP...PULASKI...
WILCOX...DODGE...TELFAIR...WHEELER...MONTGOMERY...AND TOOMBS.
Special weather statement, Apr 15, 11:56 AM EDT, 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1156 AM EDT THU APR 15 1999

GAZ083-085-093>097-104>109-151630-
BLECKLEY-CRISP-DODGE-DOOLY-HOUSTON-JOHNSON-LAURENS-MACON-PEACH-
PULASKI-SUMTER-TWIGGS-WILCOX-
1156 AM EDT THU APR 15 1999

THE TORNADO WATCH HAS BEEN CANCELED FOR THE FOLLOWING COUNTIES IN
CENTRAL GEORGIA.

PEACH...MACON...SUMTER...HOUSTON...DOOLY...CRISP...TWIGGS...BLECKLEY
...PULASKI...WILCOX...JOHNSON...LAURENS...AND DODGE.

THE LINE OF SEVERE THUNDERSTORMS HAS MOVED EAST.

GAZ086-098-110>113-151630-
EMANUEL-MONTGOMERY-TELFAIR-TOOMBS-TREUTLEN-WHEELER-
1156 AM EDT THU APR 15 1999

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1 PM EDT FOR THE FOLLOWING
COUNTIES IN EAST CENTRAL GEORGIA.

EMANUEL...TREUTLEN...TELFAIR...WHEELER...MONTGOMERY...AND TOOMBS.
Special weather statement, Apr 15, 11:56 AM EDT, 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1156 AM EDT THU APR 15 1999

GAZ083-085-093>097-104>109-151630-
BLECKLEY-CRISP-DODGE-DOOLY-HOUSTON-JOHNSON-LAURENS-MACON-PEACH-
PULASKI-SUMTER-TWIGGS-WILCOX-
1156 AM EDT THU APR 15 1999

THE TORNADO WATCH HAS BEEN CANCELED FOR THE FOLLOWING COUNTIES IN
CENTRAL GEORGIA.

PEACH...MACON...SUMTER...HOUSTON...DOOLY...CRISP...TWIGGS...BLECKLEY
...PULASKI...WILCOX...JOHNSON...LAURENS...AND DODGE.

THE LINE OF SEVERE THUNDERSTORMS HAS MOVED EAST.

GAZ086-098-110>113-151630-
EMANUEL-MONTGOMERY-TELFAIR-TOOMBS-TREUTLEN-WHEELER-
1156 AM EDT THU APR 15 1999

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1 PM EDT FOR THE FOLLOWING
COUNTIES IN EAST CENTRAL GEORGIA.

EMANUEL...TREUTLEN...TELFAIR...WHEELER...MONTGOMERY...AND TOOMBS.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 6:23 AM EDTSevere Thunderstorm WarningFFCBarrow, Jackson32 min
Apr 15, 7:55 AM EDTTornado WarningFFCMarion, Webster50 min
Apr 15, 8:15 AM EDTSevere Thunderstorm WarningFFCMacon, Schley, Taylor45 min
Apr 15, 9:09 AM EDTTornado WarningFFCWebster31 min
Apr 15, 9:44 AM EDTTornado WarningFFCSumter36 min
Apr 15, 10:10 AM EDTTornado WarningFFCDooly35 min
Apr 15, 10:48 AM EDTTornado WarningFFCPulaski, Wilcox32 min
Apr 15, 11:03 AM EDTSevere Thunderstorm WarningFFCDodge32 min
Apr 15, 12:00 PM EDTSevere Thunderstorm WarningFFCLaurens, Treutlen35 min
Apr 15, 12:39 PM EDTTornado WarningFFCEmanuel, Toombs21 min
Apr 15, 1:12 PM EDTTornado WarningFFCDodge33 min
Apr 15, 1:36 PM EDTSevere Thunderstorm WarningFFCLaurens29 min
Apr 15, 1:59 PM EDTSevere Thunderstorm WarningFFCMontgomery, Treutlen31 min
Apr 15, 2:27 PM EDTSevere Thunderstorm WarningFFCEmanuel18 min
Apr 15, 4:40 PM EDTSevere Thunderstorm WarningFFCGlascock, Warren30 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1999Every severe thunderstorm warning in 1999

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.