Alert archive / Georgia / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 436, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Aug 15, 1997, 7:44 PM EDT for Madison County, Oglethorpe County, Georgia. It was in force for 31 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 15, 1997, 7:44 PM EDT (23:44 UTC)
- Expired
- Aug 15, 1997, 8:15 PM EDT
- In force
- 31 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Madison County, GA, Oglethorpe County, GA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 15, 8:00 PM EDT | Thunderstorm Wind | Danielsville, GA | Madison county 911 reported several trees were blown down by thunderstorm winds. |
| Aug 15, 8:10 PM EDT | Thunderstorm Wind | Lexington, GA | Oglethorpe county 911 reported several trees were blown down by thunderstorm winds. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.7 hours before the alert went out and 144 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.
- Mixed-layer CAPE
- 104 J/kg
- Mixed-layer CIN
- -154 J/kg
- Mixed-layer LCL
- 945 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KATL 152339 RRA SVRATL GAC195-221-160015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PEACHTREE CITY GA 744 PM EDT FRI AUG 15 1997 THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 815 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST GEORGIA ...SOUTHERN MADISON COUNTY...OGLETHORPE COUNTY AT 740 PM RADAR SHOWED A SEVERE THUNDERSTORM BETWEEN LEXINGTON AND COMER MOVING EAST AT 20 MPH. WHEN THUNDERSTORMS ARE OCCURRING...LIGHTNING POSES A SERIOUS DANGER. STAY INDOORS AND AWAY FROM WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES, UNLESS IN AN EMERGENCY. IF BOATING OR SWIMMING...GET TO LAND QUICKLY AND FIND SHELTER. IF IN THE OPEN FIND A LOW SPOT AWAY FROM TREES, FENCES, AND POLES. IF YOU EXPERIENCE STORM DAMAGE TO STRUCTURES OR TREES...OR HAIL THE SIZE OF DIMES OR LARGER...PLEASE REPORT IT TO THE NATIONAL WEATHER SERVICE BY CALLING 770-486-8535.
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, Aug 15, 4:50 PM EDT, 2 hours 54 minutes before
GAZ074>076-085>088-097>101-108>119-125-127>141-143>166-152200- EXCESSIVE HEAT ADVISORY NATIONAL WEATHER SERVICE PEACHTREE CITY GA 450 PM EDT FRI AUG 15 1997 A HEAT ADVISORY WILL REMAIN IN EFFECT FOR EAST CENTRAL AND SOUTH GEORGIA SATURDAY AFTERNOON. A WARM MOIST AIRMASS WILL CONTINUE OVER THE SOUTHEAST STATES THROUGH THE WEEKEND. COUNTIES IN THE ADVISORY AREA ARE GENERALLY SOUTH OF A LINE FROM COLQUITT TO ABBEVILLE TO GIBSON. AFTERNOON TEMPERATURES IN THE LOW TO MID 90S COMBINED WITH HUMIDITIES OF 55 TO 65 PERCENT WILL PRODUCE HEAT INDICES BETWEEN 105 AND 100 DEGREES IN THE ADVISORY AREA. THE HEAT INDEX IS A MEASURE OF THE COMBINED EFFECTS OF TEMPERATURE AND HUMIDITY ON THE HUMAN BODY. WITH PROLONGED EXPOSURE AND/OR PHYSICAL ACTIVITY THESE DANGEROUS HEAT INDICES CAN CAUSE HEAT CRAMPS AND HEAT EXHAUSTION THAT CAN LEAD TO HEAT STROKE. THOSE INVOLVED IN OUTDOOR ACTIVITIES SHOULD TAKE EXTRA PRECAUTIONS. DRINK PLENTY OF WATER AND OTHER NON-ALCOHOLIC FLUIDS. REDUCE PHYSICAL ACIVITIES AND SPEND MORE TIME IN AIR CONDITIONING. ELDERLY PERSONS AND PETS ARE MORE PRONE TO THE EFFECTS OF THESE DANGEROUS CONDITIONS. SINCE HEAT INDEX VALUES WERE DEVISED FOR SHADY...LIGHT WIND CONDITIONS ...EXPOSURE TO FULL SUNSHINE CAN INCREASE VALUES UP TO 15 DEGREES. DH
Special weather statement, Aug 15, 4:53 PM EDT, 2 hours 51 minutes before
GAZ074>076-085>088-097>101-108>119-125-127>141-143>166-152200- EXCESSIVE HEAT ADVISORY NATIONAL WEATHER SERVICE PEACHTREE CITY GA 450 PM EDT FRI AUG 15 1997 A HEAT ADVISORY WILL REMAIN IN EFFECT FOR EAST CENTRAL AND SOUTH GEORGIA SATURDAY AFTERNOON. A WARM MOIST AIRMASS WILL CONTINUE OVER THE SOUTHEAST STATES THROUGH THE WEEKEND. COUNTIES IN THE ADVISORY AREA ARE GENERALLY SOUTH OF A LINE FROM COLQUITT TO ABBEVILLE TO GIBSON. AFTERNOON TEMPERATURES IN THE LOW TO MID 90S COMBINED WITH HUMIDITIES OF 55 TO 65 PERCENT WILL PRODUCE HEAT INDICES BETWEEN 105 AND 100 DEGREES IN THE ADVISORY AREA. THE HEAT INDEX IS A MEASURE OF THE COMBINED EFFECTS OF TEMPERATURE AND HUMIDITY ON THE HUMAN BODY. WITH PROLONGED EXPOSURE AND/OR PHYSICAL ACTIVITY THESE DANGEROUS HEAT INDICES CAN CAUSE HEAT CRAMPS AND HEAT EXHAUSTION THAT CAN LEAD TO HEAT STROKE. THOSE INVOLVED IN OUTDOOR ACTIVITIES SHOULD TAKE EXTRA PRECAUTIONS. DRINK PLENTY OF WATER AND OTHER NON-ALCOHOLIC FLUIDS. REDUCE PHYSICAL ACIVITIES AND SPEND MORE TIME IN AIR CONDITIONING. ELDERLY PERSONS AND PETS ARE MORE PRONE TO THE EFFECTS OF THESE DANGEROUS CONDITIONS. SINCE HEAT INDEX VALUES WERE DEVISED FOR SHADY...LIGHT WIND CONDITIONS ...EXPOSURE TO FULL SUNSHINE CAN INCREASE VALUES UP TO 15 DEGREES. DH
Special weather statement, Aug 15, 4:57 PM EDT, 2 hours 47 minutes before
GAZ074>076-085>088-097>101-108>119-125-127>141-143>166-161100- EXCESSIVE HEAT ADVISORY...CORRECTION TO EXPIRATION TIME NATIONAL WEATHER SERVICE PEACHTREE CITY GA 450 PM EDT FRI AUG 15 1997 A HEAT ADVISORY WILL REMAIN IN EFFECT FOR EAST CENTRAL AND SOUTH GEORGIA SATURDAY AFTERNOON. A WARM MOIST AIRMASS WILL CONTINUE OVER THE SOUTHEAST STATES THROUGH THE WEEKEND. COUNTIES IN THE ADVISORY AREA ARE GENERALLY SOUTH OF A LINE FROM COLQUITT TO ABBEVILLE TO GIBSON. AFTERNOON TEMPERATURES IN THE LOW TO MID 90S COMBINED WITH HUMIDITIES OF 55 TO 65 PERCENT WILL PRODUCE HEAT INDICES BETWEEN 105 AND 100 DEGREES IN THE ADVISORY AREA. THE HEAT INDEX IS A MEASURE OF THE COMBINED EFFECTS OF TEMPERATURE AND HUMIDITY ON THE HUMAN BODY. WITH PROLONGED EXPOSURE AND/OR PHYSICAL ACTIVITY THESE DANGEROUS HEAT INDICES CAN CAUSE HEAT CRAMPS AND HEAT EXHAUSTION THAT CAN LEAD TO HEAT STROKE. THOSE INVOLVED IN OUTDOOR ACTIVITIES SHOULD TAKE EXTRA PRECAUTIONS. DRINK PLENTY OF WATER AND OTHER NON-ALCOHOLIC FLUIDS. REDUCE PHYSICAL ACIVITIES AND SPEND MORE TIME IN AIR CONDITIONING. ELDERLY PERSONS AND PETS ARE MORE PRONE TO THE EFFECTS OF THESE DANGEROUS CONDITIONS. SINCE HEAT INDEX VALUES WERE DEVISED FOR SHADY...LIGHT WIND CONDITIONS ...EXPOSURE TO FULL SUNSHINE CAN INCREASE VALUES UP TO 15 DEGREES. DH
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 15, 3:45 PM EDT | Severe Thunderstorm Warning | FFC | Crawford | 45 min |
| Aug 15, 3:45 PM EDT | Severe Thunderstorm Warning | FFC | Macon | 45 min |
| Aug 15, 4:00 PM EDT | Severe Thunderstorm Warning | FFC | Peach | 45 min |
| Aug 15, 4:19 PM EDT | Severe Thunderstorm Warning | FFC | Bibb, Houston | 41 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 1997Every severe thunderstorm warning in 1997
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.