Alert archive / Georgia / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 148, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jul 10, 1992, 5:39 PM EDT for Twiggs County, Georgia. It was in force for 66 min. 1 report 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
- Jul 10, 1992, 5:39 PM EDT (21:39 UTC)
- Expired
- Jul 10, 1992, 6:45 PM EDT
- In force
- 66 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Twiggs County, GA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 10, 6:15 PM EDT | Hail 1.75 | Twiggs, GA |
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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Athens Municipal, GA (KAHN), launched 12:00Z, 9.7 hours before the alert went out and 143 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -89 m²/s²
- 0-3 km storm-relative helicity
- 13 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 KMCN 102140 SVRMCN GAC289-102245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MACON GA 539 PM EDT FRI JUL 10 1992 THE NATIONAL WEATHER SERVICE IN MACON GA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL GEORGIA ...TWIGGS COUNTY AT 539 PM RADAR SHOWED A SEVERE THUNDERSTORM IN WEST TWIGGS COUNTY... WEST OF JEFFERSONVILLE...DRIFTING SLOWLY EAST. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIV,E INTO LOW WATER CROSSINGS.
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, Jul 10, 2:39 PM EDT, 3 hours before
GAZ001-102030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 235 PM EDT FRI JUL 10 1992 AT 230 PM EDT WEATHER SERVICE RADAR SHOWED STRONG THUNDERSTORMS WHICH HAD DEVELOPED ALONG THE ALABAMA BORDER WITH CHATTOOGA COUNTY HAD MOVED INTO NORTHERN FLOYD COUNTY NORTH OF ROME. WITH THE HIGH AFTERNOON TEMPERATURES SOME OF THESE THUNDERSTORMS WILL LIKELY CONTAIN GUSTY WINDS AND POSSIBLY SOME SMALL HAIL. BRIEF BUT TORRENTIAL RAIN IS ALSO LIKELY. THESE THUNDERSTORMS WERE MOVING TO THE EAST AT 10 MPH WHICH WILL TAKE THEM INTO GORDON AND BARTOW COUNTIES BY 3 PM. RESIDENTS OF NORTHWEST GEORGIA SHOULD REMAIN ALERT FOR THESE ISOLATED BUT STRONG STORMS THIS AFTERNOON...AND SEEK SHELTER INSIDE IF THREATENING WEATHER IS SIGHTED.
Special weather statement, Jul 10, 3:48 PM EDT, 1 hour 51 minutes before
GAZ001-102130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 348 PM EDT FRI JUL 10 1992 AT 340 PM EDT WEATHER SERVICE RADAR SHOWED A STRONG THUNDERSTORM ACROSS EASTERN BARTOW COUNTY NORTH OF LAKE ALLATOONA. ANOTHER STORM WAS LOCATED IN FLOYD COUNTY JUST EAST OF ROME. THIS STORM BROUGHT WINDS OF 37 MPH TO THE ROME AIRPORT AND DROPPED THE TEMPERATURE FROM 93 DEGREES TO 76 DEGREES IN ONE HOUR. THESE THUNDERSTORMS WERE MOVING TO THE EAST AT 15 MPH. THESE STORMS CONTAIN FREQUENT LIGHTNING...HEAVY RAIN...AND GUSTY WINDS. RESIDENTS OF NORTHWEST GEORGIA SHOULD REMAIN ALERT FOR THESE ISOLATED BUT STRONG STORMS THIS AFTERNOON...AND SEEK SHELTER INSIDE IF THREATENING WEATHER IS SIG@HTED.
Special weather statement, Jul 10, 4:41 PM EDT, 58 minutes before
GAZ002-004-102245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 439 PM EDT FRI JUL 10 1992 ...THUNDERSTORMS MOVE INTO NORTHEAST GEORGIA... AT 440 PM EDT A COUPLE OF INTENSE THUNDERSTORMS WERE OCCURRING IN NORTHERN CHEROKEE COUNTY MOVING EAST TO NORTHEAST AT 15 TO 20 MILES AN HOUR. PERSONS IN DAWSON...SOUTHERN LUMPKIN AND NORTHERN HALL COUNTIES OF NORTHEAST GEORGIA SHOULD BE ON THE ALERT AS THESE STORMS MOVE INTO THEIR AREA. FREQUENT LIGHTNING...BRIEF HEAVY DOWNPOURS...GUSTY SURFACE WIND AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS.
Special weather statement, Jul 10, 4:42 PM EDT, 57 minutes before
GAZ002-004-102245- SPECIAL WEATHER STATEMENT...COR FOR TIME..
Special weather statement, Jul 10, 4:43 PM EDT, 56 minutes before
GAZ002-004-102245- SPECIAL WEATHER STATEMENT...COR FOR TIME... NATIONAL WEATHER SERVICE ATHENS GA 439 PM EDT FRI JUL 10 1992 ...THUNDERSTORMS MOVE INTO NORTHEAST GEORGIA... AT 435 PM EDT A COUPLE OF INTENSE THUNDERSTORMS WERE OCCURRING IN NORTHERN CHEROKEE COUNTY MOVING EAST TO NORTHEAST AT 15 TO 20 MILES AN HOUR. PERSONS IN DAWSON...SOUTHERN LUMPKIN AND NORTHERN HALL COUNTIES OF NORTHEAST GEORGIA SHOULD BE ON THE ALERT AS THESE STORMS MOVE INTO THEIR AREA. FREQUENT LIGHTNING...BRIEF HEAVY DOWNPOURS...GUSTY SURFACE WIND AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS.
Special weather statement, Jul 10, 4:47 PM EDT, 52 minutes before
GAZ008>015-111200 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 500 PM EDT FRI JUL 10 1992 ...HEAT ADVISORY WILL CONTINUE IN EFFECT FOR SOUTH GEORGIA SATURDAY AND SUNDAY... A HEAT ADVISORY WILL REMAIN IN EFFECT FOR SATURDAY AND SUNDAY ACROSS SOUTH GEORGIA. AFTERNOON HEAT INDEX VALUES OF 105 TO 110 DEGREES ARE EXPECTED TO CONTINUE. THE ADVISORY INCLUDES THE CITIES AND SURROUNDING AREAS OF ALBANY...VALDOSTA...SAVANNAH AND BRUNSWICK. TEMPERATURES OF 95 TO 100 DEGREES COMBINED WITH HUMIDITIES IN THE 35 TO 45 PERCENT RANGE WILL PRODUCE HEAT INDICIES IN THE 105 TO 110 DEGREE RANGE ACROSS SOUTH GEORGIA OVER THE WEEKEND...NEAR 105 CENTRAL...AND IN NORTH SECTIONS OF THE STATE THE HEAT INDEX WILL BE IN THE 100 TO 105 RANGE EXCEPT FOR THE NORTHEAST MOUNTAINS WHERE HEAT INDICES WILL BE BELOW 100 DEGREES. > A HEAT INDEX OF 105 DEGREES IS CONSIDERED TO BE THE LEVEL AT WHICH THE BODY BEGINS TO SUCCUMB TO THE EFFECTS OF EXCESSIVE HEAT. KEEP IN MIND THAT THE HEAT INDEX VALUE IS MEASURED UNDER SHADY CONDITIONS. DIRECT EXPOSURE TO SUNSHINE CAN INCREASE THE HEAT INDEX AS MUCH AS 15 DEGREES. YOUNG CHILDREN...THE ELDERLY AND PERSONS WITH CHRONIC AILMENTS ARE USUALLY THE FIRST TO SUFFER FROM EXCESSIVE HEAT. HEAT EXHAUSTION... CRAMPS OR...IN EXTREME CASES...HEATSTROKE CAN RESULT FROM PROLONGED EXPOSURE TO THESE CONDITIONS. FRIENDS...RELATIVES OR NEIGHBORS SHOULD CHECK ON PEOPLE SUSPECTED OF BEING AT RISK. EFFECTS CAN BE MINIMIZED IF YOU FOLLOW THESE SUGGESTIONS...REDUCE OUTDOOR ACTIVITIES...DRINK PLENTY OF WATER OR OTHER NON-ALCOHOLIC BEVERAGES...WEAR LIGHT COLORED LIGHT WEIGHT CLOTHING AND...IF POSSIBLE ...SPEND MORE TIME IN AIR-CONDITIONED FACILITIES. UNLIKE SOUTH GEORGIA...NIGHTTIME HEAT INDICES OVER NORTH AND CENTRAL GEORGIA WILL DROP BELOW 80 DEGREES...WHICH IS PART OF THE CRITERIA FOR A HEAT ADVISORY. SOUTH GEORGIA WILL HAVE HEAT INDICES NEAR 80 DEGREES DURING THE NIGHTTIME HOURS. THESE COhNDITIONS ARE NOT LIKELY TO CHANGE MUCH INTO THE COMING WEEK.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 4:31 PM EDT | Severe Thunderstorm Warning | FFC | Crawford | 44 min |
| Jul 10, 4:47 PM EDT | Severe Thunderstorm Warning | FFC | Peach | 58 min |
| Jul 10, 6:06 PM EDT | Severe Thunderstorm Warning | FFC | Monroe | 69 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 1992Every severe thunderstorm warning in 1992
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.