Alert archive / Tennessee / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 177, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Aug 10, 1992, 3:29 PM CDT for Grundy County, Tennessee. It was in force for 46 min.
The area
The counties it named.
The facts
- Issued
- Aug 10, 1992, 3:29 PM CDT (20:29 UTC)
- Expired
- Aug 10, 1992, 4:15 PM CDT
- In force
- 46 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Grundy County, TN
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 8.5 hours before the alert went out and 114 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
- 2796 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 636 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -35 m²/s²
- 0-3 km storm-relative helicity
- -42 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 KCHA 102030 SVRCHA TNC061-102115- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHATTANOOGA TN 429 PM EDT (329 PM CDT) MON AUG 10 1992 THE NATIONAL WEATHER SERVICE IN CHATTANOOGA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM EDT (415 PM CDT) FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEAST TENNESSEE ...EASTERN GRUNDY COUNTY AT 425 PM EDT...THE CHATTANOOGA WEATHER RADAR INDICATED A SEVERE THUNDERSTORM IN EASTERN GRUNDY COUNTY...JUST TO THE NORTH OF THE CITY OF PALMER. THE STORM IS MOVING SLOWLY SOUTH TOWARD PALMER. HEAVY RAIN WITH THIS SLOW MOVING STORM MAY ALSO PRODUCE SOME FLOODING. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION 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
Local storm report, Aug 10, 10:10 AM CDT, 5 hours 19 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MACON, GA
1110 AM EDT MON AUG 10 1992
COUNTY..... FIRS 021 BIBB
SOURCE..... MACON P.D. AND OSBOURNE CONSTRUCTION COMPANY SITE
TIME....... 700-715 PM EDT 8/9/92
LOCATION... CITY OF MACON THOMASTON ROAD
TYPE STORM. SEVERE THUNDERSTORM
HAIL....... PEA SIZE
DAMAGE..... TREES BLOWN DOWN AND POWER LINES DOWNED BY HIGHWINDS.
2 STORY STEEL STUD FRAME BUILDING DAMAGED BY HIGHWINDS
PART OF TOP FLOOR DESTROYED AND WHOLE STRUCTURE LEANING
3 FEET OFF CENTER FROM NORTH TO SOUTH.
COUNTY..... FIRS 169 JONES
SOURCE..... JONES COUNTY C.D.
TIME....... 640 PM EDT 8/9/92
LOCATION... SOUTHEAST OF GRAY GEORGIA ALONG HIGHWAY 49 AND 18.
TYPE STORM. SEVERE THUNDERSTORM
HAIL....... GOLFBALL SIZE
DAMAGE..... TREES BLOWN DOWN ACROSS HIGHWAY 49 AND 18.
POWER OUTAGES ALL ACROSS COUNTY MOST DUE TO
LIGHTNING STRIKES.Local storm report, Aug 10, 10:44 AM CDT, 4 hours 45 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE ATHENS GA 1140 AM EDT MON AUG 10 1992 COUNTY........HALL SOURCE........JACKSON E.M.C. (POWER COMPANY) TIME..........APPROX 3 PM EDT SUN 8/9/92 LOCATION..L....SOUTHERN PART OF COUNTY ALONG THE JACKSON COUNTY LINE TYPE STORM....SEVERE THUNDERSTORM HAIL..........N/A DAMAGE........TREES/LIMBS DOWN ONTO POWER LINES INJURIES......
Local storm report, Aug 10, 10:45 AM CDT, 4 hours 44 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE ATHENS GA 1145 AM EDT MON AUG 10 1992 COUNTY........JACKSON SOURCE........JACKSON E.M.C. (POWER COMPANY) TIME..........APPROX 3 PM EDT SUN 8/9/92 LOCATIONN......WESTERN PART OF COUNTY ALONG THE HALL COUNTY LINE TYPE STORM....SEVERE THUNDERSTORM HAIL..........N/A DAMAGE........TREES/LIMBS DOWN ONTO POWER LINES INJURIES......
Special weather statement, Aug 10, 1:20 PM CDT, 2 hours 9 minutes before
GAZ002-102015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 218 PM EDT MON AUG 10 1992 AT 215 PM EDT...A CLUSTER OF THUNDERSTORMS WITH HEAVY RAIN WERE OCCURRING IN NORTHEAST GEORGIA IN RABUN...HABERSHAM AND WHITE COUNTIES. PEA SIZE HAIL HAS ALREADY BEEN REPORTED IN RABUN COUNTY. THESE STORMS WERE MOVING SOUTHEAST AT 15 MILES AN HOUR. PERSONS IN RABUN...HABERSHAM...WHITE...BANKS AND STEPHENS COUNTIES OF NORTHEAST GEORGIA SHOULD BE ON THE ALERT FOR THESE STORMS FOR THE NEXT 2 HOURS. BRIEF HEAVY DOWNPOURS...DANGEROUS LIGHTNING AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 1:48 PM CDT | Severe Thunderstorm Warning | FFC | Rhea | 57 min |
| Aug 10, 2:28 PM CDT | Severe Thunderstorm Warning | FFC | Bledsoe | 62 min |
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.