Alert archive / Georgia / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 18, NWS Atlanta, GA

March 1, 1991Monroe County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 1, 1991, 6:08 PM EST for Monroe County, Georgia. It was in force for 37 min.

The area

The counties it named.

The facts

Issued
Mar 1, 1991, 6:08 PM EST (23:08 UTC)
Expired
Mar 1, 1991, 6:45 PM EST
In force
37 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Monroe County, GA

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 12:00Z, 11.1 hours before the alert went out and 119 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, Athens Municipal, GA at 12:00Z on 1991-03-01Temperature 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, Athens Municipal, GA at 12:00Z on 1991-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 137 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
NaN m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
137 m²/s²
0-3 km storm-relative helicity
198 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 KMCN 012308
SVRMCN
GAC207-012345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MACON GA
608 PM EST FRI MAR 1 1991
 
THE NATIONAL WEATHER SERVICE IN MACON GA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  645 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL GEORGIA
 
   ...MONROE COUNTY
 
AT 605 PM RADAR IN MACON SHOWED A SEVERE THUNDERSTORM MOVING
NORTHEAST INTO MONROE COUNTY TOWARD FORSYTH. MOVEMENT WAS NORTHEAST
AT 45 MPH.
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

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, Mar 1, 4:19 PM EST, 1 hour 49 minutes before
GAC077-149-199-231-285-293-012215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATLANTA  GA
418 PM EST FRI MAR 1 1991

TORNADO WATCH NUMBER 18 REMAINS IN EFFECT FOR WEST CENTRAL GEORGIA
AREA UNTIL 7 PM EST THIS EVENING.

AT 415 PM EST...NATIONAL WEATHER SERVICE RADAR SHOWS A STRONG
THUNDERSTORM NEAR LANETT ALABAMA.  THIS STORM IS MOVING NORTHEAST
AT NEAR 40 MPH...AND WILL BE MOVING INTO TROUP COUNTY AND THE
LAGRANGE AND THE LAKE WEST POINT AREA.

PEOPLE IN THE AREA SHOULD BE ALERT FOR STRONG GUSTY WINDS AND
BRIEF HEAVY RAINS AS THIS STORM APPROACHES FROM THE WEST.
Special weather statement, Mar 1, 5:09 PM EST, 59 minutes before
GAZ002-GAZ004-020015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATHENS GA
506 PM EST FRI MAR 1 1991

...A TORNADO WATCH IS IN EFFECT UNTIL 10 PM EST FOR THE FOLLOWING
NORTHEAST GEORGIA COUNTIES...

BARROW...CLARKE...ELBERT...GREENE...JACKSON...MADISON...MORGAN
...NEWTON...OCONEE...OGLETHORPE...TALIAFERRO...WALTON AND
WILKES...

AT 5 PM EST THE ATHENS RADAR INDICATED STRONG THUNDERSTORMS
OVER WESTCENTRAL GEORGIA MOVING NORTHEAST AT Z35 MILES AN HOUR.

PERSONS THROUGHOUT NORTHEAST GEORGIA SHOULD KEEP ALERT TO
APPROACHING THUNDERSTORMS AND BE PREPARED TO MOVE TO A PLACE
OF SAFETY IMMEDIATELY.

KEEP TUNED TO THIS STATION FOR ADDITIONAL UPDATES AND POSSIBLE
WARNINGS.
Local storm report, Mar 1, 5:22 PM EST, 46 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATLANTA GA
520 PM EST FRI MAR 1 1991

WARNING.... SEVERE THUNDERSTORM.
COUNTY..... COWETA
SOURCE..... COWETA COUNTY EMERGENCY MANAGEMENT
TIME......  AROUND 5 PMm EST
LOCATION... IN MORELAND AND ON HIGHWAY 27 SOUTH OF MORELAND.
DAMAGE..... TWO REPORTS OF TREES AND POWER LINES DOWN.
HAIL....... NONE REPORTED
INJURIES... NONE
REMARKS.... NONE
Special weather statement, Mar 1, 5:27 PM EST, 41 minutes before
GAZ005-008-012-020030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS GA
526 PM EST FRI MAR 1 1991

...TORNADO WATCH NUMBER 18 REMAINS IN EFFECT UNTIL 7PM EST
FOR PORTIONS OF WEST CENTRAL AND SOUTHWEST GEORGIA...

...TORNADO WATCH NUMBER 19 IS NOW IN EFFECT FOR A LARGE PORTION
OF WEST CENTRAL..SOUTHWEST AND SOUTH CENTRAL GEORGIA UNTIL 10 PM
EST.

AT 518 PM EST COLUMBUS WEATHER RADAR WAS INDICATING A LARGE AREA
OF MOSTLY LIGHT RAIN WITH A FEW EMBEDDED THUNDERSHOWERS OCCURRING
ACROSS NORTHWEST GEORGIA INTO MOST OF EASTERN ALABAMA. THE STRONGEST
STORMS WERE IN GEORGIA ALONG THE LEADING EDGE FROM THOMASTON TO
AMERICUS. ALL THIS ACTIVITY WAS MOVING A LITTLE NORTH OF EAST AT
40 MILES AN HOUR.

PERSONS NEAR THESE STORMS CAN EXPECT WINDS TO 35 MILES AN HOUR..VERY
HEAVY RAIN AND DANGEROUS LIGHTNING. PERSONS IN AND NEAR THE WATCH
AREAS SHOULD REMAIN ALERT AND LISTEN TO NOAA WEATHER RADIO FOR LATER
STATEMENTS OR POSSIBLE WvARNINGS.
Special weather statement, Mar 1, 5:34 PM EST, 34 minutes before
GAZ004-012330-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATHENS GA
533 PM EST FRI MAR 1 1991

A TORNADO WATCH IS IN EFFECT UNTIL 1000PM EST FOR THE FOLLOWING
COUNTIES OF NORTHEAST GEORGIA...

BARROW...CLARKE...ELBERT...GREENE...JACKSON...MADISON...MORGAN...
NEWTON...OCONEE...OGLETHORPE...TALIAFERRO...AND WALTON.

SHOWERS AND A FEW THUNDERSTORMS WITH VERY HEAVY RAINFALL CONTINUED
OVER THE WESTERN THIRD OF GEORGIA AND EXTENDED INTO ALABAMA AND
TENNESSEE. THUNDERSTORMS WITH THE HEAVIEST RAINFALL WERE NEAR AND
JUST SOUTH OF ATLANTA. THIS AREA WAS MOVING EAST AT 30 MILES AN HOUR
WIHILE CELL MOVEMENT WAS NORTHEAST AT 50 MILES AN HOUR.

A FEW SHOWERS REMAINED OVER THE WESTERN CAROLINAS AND WERE MOVING
NORTHEAST AT 40 MILES AN HOUR.
Local storm report, Mar 1, 5:34 PM EST, 34 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATLANTA GA
535 PM EST FRI MAR 1 1991

WARNING.... NONE
COUNTY..... FAYETTE
SOURCE..... PEACHTREE CITY POLICE DEPARTMENT
TIME......  AROUND 515 PM EST
LOCATION... NORTHEAST PEACHTREE CITY
DAMAGE..... TREES BLOWN DOWN.
HAIL....... NONE REPORTED
INJURIES... NONE
REMARKS.... NONE

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 1, 4:27 PM ESTSevere Thunderstorm WarningFFCMeriwether, Troup48 min
Mar 1, 4:39 PM ESTSevere Thunderstorm WarningFFCCoweta51 min
Mar 1, 5:28 PM ESTSevere Thunderstorm WarningFFCHenry, Spalding47 min
Mar 1, 5:42 PM ESTSevere Thunderstorm WarningFFCRockdale33 min
Mar 1, 5:53 PM ESTSevere Thunderstorm WarningFFCNewton, Walton67 min
Mar 1, 6:56 PM ESTSevere Thunderstorm WarningFFCClarke, Madison, Oglethorpe43 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1991Every severe thunderstorm warning in 1991

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.