Alert archive / Tennessee / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 124, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jul 5, 1992, 4:59 PM EDT for McMinn County, Polk County, Tennessee. It was in force for 46 min.
The area
The counties it named.
The facts
- Issued
- Jul 5, 1992, 4:59 PM EDT (20:59 UTC)
- Expired
- Jul 5, 1992, 5:45 PM EDT
- In force
- 46 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties McMinn County, TN, Polk County, TN
The nearest sounding before it
Athens Municipal, GA (KAHN), launched 12:00Z, 9.0 hours before the alert went out and 187 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
- 5 J/kg
- Mixed-layer CIN
- -358 J/kg
- Mixed-layer LCL
- 1617 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -31 m²/s²
- 0-3 km storm-relative helicity
- 4 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 052103 SVRCHA TNC107-139-052145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHATTANOOGA TN 459 PM EDT SUN JUL 5 1992 THE NATIONAL WEATHER SERVICE IN CHATTANOOGA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 545 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEAST TENNESSEE ...MCMINN COUNTY...POLK COUNTY AT 455 PM EDT WEATHER RADAR INDICATED SEVERE THUNDERSTORMS MOVING INTO THE WESTERN SECTIONS OF MCMINN AND POLK COUNTIES OF SOUTHEAST TENNESSEE. THE THUNDERSTORMS WERE MOVING TOWARD THE EAST AT 30 MPH. 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
Special weather statement, Jul 5, 2:46 PM EDT, 2 hours 13 minutes before
GAZ001-003-005-032030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 245 PM EDT SUN JUL 5 1992 ...SEVERE THUNDERSTORM WATCH NUMBER 550 IS IN EFFECT FOR PARTS OF NORTHWEST AND WEST CENTRAL GEORGIA UNTIL 7PM EDT... AT THIS TIME NO SEVERE WEATHER HAD MOVED INTO THE STATE...HOWEVER SEVERE THUNDERSTORMS WERE SPREADING ACROSS MUCH OF NORTHERN ALABAMA AND CENTRAL TENNESSEE. THESE THUNDERSTORMS WERE MOVING TO THE EAST AT 30 MPH AND WILL MOVE INTO NORTHWEST AND WEST CENTRAL GEORIGA WITHIN THE NEXT HOUR OR TWO. AS THE THUNDERSTORMS MOVE INTO THE WESTERN PART OF THE STATE RESIDENTS CAN EXPECT THE STRONGER THUNDERSTORMS TO CONTAIN HEAVY DOWNPOURS...GUSTY WINDS...DANGEROUS LIGHT?NING AND POSSIBLY SOME HAIL. BE PREPARED TO SEEK SAFETY SHOULD THREATING WEATHER APPEAR OR IF A WARNING IS ISSUED.
Special weather statement, Jul 5, 3:52 PM EDT, 1 hour 7 minutes before
GAZ001-003-005-032030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 345 PM EDT SUN JUL 5 1992 ...SEVERE THUNDERSTORM WATCH NUMBER 550 CONTINUES IN EFFECT FOR PARTS OF NORTHWEST AND WEST CENTRAL GEORGIA UNTIL 7PM EDT... AT 340 PM EDT NATIONAL WEATHER SERVICE RADAR IN ATLANTA WAS SHOWING THUNDERSTORMS DEVELOPING OVER PARTS OF WESTERN GEORGIA. THE THUNDERSTORMS WERE LOCATED AHEAD OF A LINE OF SEVERE THUNDERSTORMS THAT WERE LOCATED OVER SOUTHEAST TENNESSEE AND EASTERN ALABAMA. THE STORMS IN ALABAMA HAVE A HISTORY OF DAMAGING WINDS IN EXCESS OF 55 MPH. THE THUNDERSTORMS IN GEORGIA WERE LOCATED BETWEEN CARROLLTON...LA GRANGE ...AND NEWNAN. NO SEVERE WEATHER HAS BEEN REPORTED TO THIS OFFICE AT THIS TIME...HOWEVER...RESIDENTS OF NORTHWEST AND WEST CENTRAL GEORGIA ...ESPECIALLY IN CHATOOGA...FLOYD...POLK...HARALSON AND CARROLL SHOULD BE ON THE LOOKOUT FOR HEAVY DOWNPOURS...GUSTY WINDS...AND DANGEROmUS LIGHTNING AS THESE STORMS MOVE TO THE EAST AT 30 MPH. BE PREPARED TO SEEK SAFETY SHOULD THREATING WEATHER APPEAR OR IF A WARNING IS ISSUED. THESE STORMS WILL MOVE INTO THE ATLANTA AREA WITHIN THE NEXT COUPLE OF HOURS.
Special weather statement, Jul 5, 4:31 PM EDT, 28 minutes before
GAZ005-ALZ012-052230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS GA 429 PM EDT SUN JUL 5 1992 ...SEVERE THUNDERSTORM WATCH NUMBER 550 REMAINS IN EFFECT FOR HARRIS COUNTY GEORGIA AND MOST OF EAST CENTRAL ALABAMA INCLUDING LEE AND RUSSELL COUNTIES UNTIL 7PM EDT... AT 420 PM EDT COLUMBUS WEATHER RADAR WAS SHOWING SEVERAL STRONG THUNDERSTORMS ALONG THE LEADING EDGE OF RAIN OCCURRING FROM 10 MILES WEST OF TALLASSEE TO 12 MILES NORTH OF TALLASEEE ON THE SHORES OF LAKE MARTIN. THESE STORMS WERE MOVING EAST AT 30 MILES AN HOUR. THESE STORMS WILL BE MOVING INTO THE WESTERN PORTIONS OF LEE AND RUSSELL COUNTIES ALABAMA WITHIN AN HOUR. PERSONS IN EAST CENTRAL ALABAMA AND WESTo CENTRAL GEORGIA SHOULD REMAIN ALERT AND BE READY TO QUICKLY MOVE TO A SAFE SHELTER WHEN THESE STORMS COME NEAR. LISTEN TO NOAA WEATHER RADIO OR OTHER NEWS MEDIA FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 3:50 PM EDT | Severe Thunderstorm Warning | FFC | Bledsoe, Rhea | 40 min |
| Jul 5, 4:15 PM EDT | Severe Thunderstorm Warning | FFC | Hamilton, Meigs | 45 min |
| Jul 5, 4:36 PM EDT | Severe Thunderstorm Warning | FFC | Bradley | 54 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.