Alert archive / Tennessee / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 87, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jun 18, 1992, 8:02 PM EDT for Hamilton County, Tennessee. It was in force for 28 min.
The area
The counties it named.
The facts
- Issued
- Jun 18, 1992, 8:02 PM EDT (00:02 UTC)
- Expired
- Jun 18, 1992, 8:30 PM EDT
- In force
- 28 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Hamilton County, TN
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 0.0 hours before the alert went out and 167 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
- 1744 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 878 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 145 m²/s²
- 0-3 km storm-relative helicity
- 204 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 10.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCHA 190002 SVRCHA TNC065-190030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHATTANOOGA TN 802 PM EDT THU JUN 18 1992 THE NATIONAL WEATHER SERVICE IN CHATTANOOGA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 830 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEAST TENNESSEE ...SOUTHERN HAMILTON COUNTY AT 800 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM OVER SOUTHERN HAMILTON COUNTY. THIS THUNDERSTORM WAS MOVING TOWARD THE SOUTHEST AT 25 MILES AN HOUR. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTIvON MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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, Jun 18, 2:23 PM EDT, 5 hours 39 minutes before
GAZ001-182000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 222 PM EDT THU JUN 18 1992 A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR A SMALL PORTION OF NORTHWEST GEORGIA AND WILL REMAIN IN EFFECT UNTIL 8 PM EDT. THE SOUTHERN BORDER OF THE WATCH AREA EXTENDS INTO CHATTOOGA...GORDON AND GILMER COUNTIES WHILE THE EASTERN EDGE EXTENDS INTO FANNIN COUNTY. AT 215 PM...WEATHER SERVICE RADAR IN ATLANTA DID NOT INDICATE ANY SEVERE WEATHER IN NORTHWEST GEORGIA. HOWEVER...A 25 MILE WIDE BAND OF SCATTERED SHOWERS HAS DEVELOPED FROM NEAR ROME NORTHEAST TO BLAIRSVILLE IN EXTREME NORTHWEST GEORGIA. MOVEMENT OF THESE SHOWERS WAS SOUTHEAST AT 15 MILES AN HOUR. INCREASINGLY MOIST AND UNSTABLE AIR OVER NORTHWEST GEORGIA ALONG WITH AFTERNOON TEMPERATURES INTO THE 80S WILL ALLOW SOME THUNDERSTORMS TO REACH SEVERE LEVELS LATE THIS AFTERNOON THROUGH EARLY THIS EVENING IN THE WATCH AREA. DAMAGING WINDS AND LARGE HAIL CAN BE EXPECTED WITH THESE STRONGER STORMS. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREAS. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS. ZALESKI
Special weather statement, Jun 18, 5:33 PM EDT, 2 hours 29 minutes before
GAZ001-190000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 530 PM EDT THU JUN 18 1992 A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR A SMALL PORTION OF NORTHWEST GEORGIA AND WILL REMAIN IN EFFECT UNTIL 8 PM EDT. THE SOUTHERN BORDER OF THE WATCH AREA EXTENDS INTO CHATTOOGA...GORDON AND GILMER COUNTIES WHILE THE EASTERN EDGE EXTENDS INTO FANNIN COUNTY. AT 530 PM...WEATHER SERVICE RADAR IN ATLANTA DID NOT INDICATE ANY SEVERE WEATHER IN NORTHWEST GEORGIA. THE STRONGEST THUNDERSTORMS WERE IN EASTERN ALABAMA...BETWEEN HUNTSVILLE AND THE ALABAMA-GEORGIA BORDER. STRONG THUNDERSTORMS WERE ALSO IN SOUTHEAST TENNESSEE. THE MOVEMENT OF THESE STORMS WAS TO THE EAST AT ABOUT 25 MILES AN HOUR. MOIST AND UNSTABLE AIR OVER NORTHWEST GEORGIA ALONG WITH AFTERNOON TEMPERATURES INTO THE 80S WILL ALLOW SOME THUNDERSTORMS TO REACH SEVERE LEVELS THIS AFTERNOON THROUGH EARLY TONIGHT IN THE WATCH AREA. DAMAGING WINDS AND LARGE HAIL CAN BE EXPECTED WITH THE STRONGER THUNDERSTORMS. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREAS. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CO:NDITIONS AND LISTEN TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Jun 18, 5:39 PM EDT, 2 hours 23 minutes before
GAZ001-002-190000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 530 PM EDT THU JUN 18 1992 A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR A SMALL PORTION OF NORTHWEST GEORGIA AND WILL REMAIN IN EFFECT UNTIL 8 PM EDT. THE SOUTHERN BORDER OF THE WATCH AREA EXTENDS INTO CHATTOOGA...GORDON AND GILMER COUNTIES WHILE THE EASTERN EDGE EXTENDS INTO FANNIN COUNTY. AT 530 PM...WEATHER SERVICE RADAR IN ATLANTA DID NOT INDICATE ANY SEVERE WEATHER IN NORTHWEST GEORGIA. THE STRONGEST THUNDERSTORMS WERE IN EASTERN ALABAMA...BETWEEN HUNTSVILLE AND THE ALABAMA-GEORGIA BORDER. STRONG THUNDERSTORMS WERE ALSO IN SOUTHEAST TENNESSEE. THE MOVEMENT OF THESE STORMS WAS TO THE EAST AT ABOUT 25 MILES AN HOUR. MOIST AND UNSTABLE AIR OVER NORTHWEST GEORGIA ALONG WITH AFTERNOON TEMPERATURES INTO THE 80S WILL ALLOW SOME THUNDERSTORMS TO REACH SEVERE LEVELS THIS AFTERNOON THROUGH EARLY TONIGHT IN THE WATCH AREA. DAMAGING WINDS AND LARGE HAIL CAN BE EXPECTED WITH THE STRONGER THUNDERSTORMS. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREAS. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHEXR CONDITIONS AND LISTEN TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Jun 18, 7:01 PM EDT, 1 hour 1 minute before
GAZ001>003-190100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 700 PM EDT THU JUN 18 1992 A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR A SMALL PORTION OF NORTHWEST GEORGIA UNTIL 8 PM EDT. THE WATCH COVERS ROME...DALTON... ELLIJAY...BLUE RIDGE...AND SURROUNDING AREAS. AT 650 PM...WEATHER SERVICE RADAR IN ATLANTA DID NOT INDICATE ANY SEVERE WEATHER IN NORTHWEST GEORGIA. THE STRONGEST THUNDERSTORMS WERE IN NORTH ALABAMA NORTH AND WEST OF GADSDEN. MOVEMENT OF THESE STORMS WAS TO THE SOUTHEAST AT 20 MPH. WIDELY SCATTERED SHOWERS AND A FEW THUNDERSHOWERS WERE OCCURRING IN NORTHWEST GEORGIA FROM NEAR A ROME TO JASPER LINE NORTH TO THE TENNESSEE BORDER. THE POSSIBILITY OF SEVERE THUNDERSTORMS DEVELOPING IN THE WATCH AREA REMAINS. PEOPLE IN NORTHWEST GEORGIA SHOULD STAY INFORMED ON WEATHER DEVELOPMENTS...AND BE PREPARED TO TAKE ACTION IF THUNDERSTORMS THREATEN OR IF A WARNING IS ISSUED. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREAS. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND PGOSSIBLE WARNINGS.
Nearby
Severe Thunderstorm Warnings in Tennessee, 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; the sounding from the Mesonet's radiosonde archive.