Alert archive / Tennessee / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 63, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Apr 15, 1993, 6:16 PM EDT for McMinn County, Meigs County, Tennessee. It was in force for 44 min.
The area
The counties it named.
The facts
- Issued
- Apr 15, 1993, 6:16 PM EDT (22:16 UTC)
- Expired
- Apr 15, 1993, 7:00 PM EDT
- In force
- 44 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties McMinn County, TN, Meigs County, TN
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 10.3 hours before the alert went out and 185 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
- 182 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 686 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 152 m²/s²
- 0-3 km storm-relative helicity
- 269 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCHA 152216 SVRCHA TNC107-121-143-152300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHATTANOOGA TN 616 PM EDT THU APR 15 1993 THE NATIONAL WEATHER SERVICE IN CHATTANOOGA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 700 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEAST TENNESSEE ...EASTERN MCMINN COUNTY...MEIGS COUNTY...RHEA COUNTY AT 610PM EDT WEATHER RADAR INDICATED SEVERE THUNDERSTORMS OVER SOUTHERN RHEA AND MEIGS COUNTIES AS WELL AS EXTREME NORTHEASTERN HAMILTON COUNTY. THE THUNDERSTORMS ARE MOVING TOWARD THE NORTHNORTHEAST AT 40 MPH. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCzTIVE 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, Apr 15, 5:12 PM EDT, 1 hour 4 minutes before
GAZ002-004-160515- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 512 PM EDT THU APR 15 1993 THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH...NUMBER 129 FOR ALL NORTHEAST GEORGIA COUNTIES UNTIL 100 AM FRIDAY...EXCEPT FOR THE PREVIOUS MENTIONED COUNTIES LUMPKIN...UNION AND DAWSON WHERE THE WATCH WILL EXPIRE AT 900 PM EDT. THE PREVIOUS TORNADO WATCH THAT INCLUDED NORTHERN AND WESTERN GEORGIA IS STILL IN EFFECT UNTIL 900 PM EDT. PERSONS IN NORTHEAST GEORGIA SHOULD REMAIN ALERT FOR THREATENING WEATHER AND PREPARE TO TAKE COVER IF THREATENING WEATHER IS SIGHTED.
Special weather statement, Apr 15, 5:14 PM EDT, 1 hour 2 minutes before
GAZ002-004-160515- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 512 PM EDT THU APR 15 1993 THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH...NUMBER 129 FOR ALL NORTHEAST GEORGIA COUNTIES UNTIL 100 AM FRIDAY...EXCEPT FOR THE PREVIOUS MENTIONED COUNTIES LUMPKIN...UNION AND DAWSON WHERE THE WATCH WILL EXPIRE AT 900 PM EDT. THE PREVIOUS TORNADO WATCH THAT INCLUDED NORTHERN AND WESTERN GEORGIA IS STILL IN EFFECT UNTIL 900 "PM EDT. PERSONS IN NORTHEAST GEORGIA SHOULD REMAIN ALERT FOR THREATENING WEATHER AND PREPARE TO TAKE COVER IF THREATENING WEATHER IS SIGHTED.
Special weather statement, Apr 15, 5:20 PM EDT, 56 minutes before
GAZ001-003-152230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 520 PM EDT THU APR 15 1993 ...A TORNADO WATCH IS IN EFFECT FOR NORTHWEST GEORGIA UNTIL 9 PM EDT... ...A TORNADO WATCH IS IN EFFECT FOR NORTHEAST GEORGIA UNTIL 1 AM EDT... AT 515 PM EDT WEATHER SERVICE RADAR INDICATED A LINE OF THUNDERSTORMS THAT EXTENDED FROM CHATTANOOGA TENNESSEE TO ROME GEORGIA TO NEAR MONTGOMERY ALABAMA. SOME OF THE STORMS PRODUCED PEA TO DIME SIZE HAIL AS THEY MOVED ACROSS PORTIONS OF ALABAMA. THE LINE OF STRONG THUNDERSTORMS IS EXPECTED TO CONTINUE MOVING EASTWARD AT 45 MPH...REACHING THE ATLANTA AREA BY 7 PM THIS EVENING. THE STRONGEST STORMS COULD PRODUCE FREQUENT LIGHTNING...LARGE HAIL AND DAMAGING WINDS WITH POSSIBLY A TORNADO. RESIDENTS OF NORTHWEST GEORGIA SHOULD KEEP A CAREFUL CHECK ON THE DEVELOPING SEVERE WEATHER AND BE PREPARED TO SEEK SAFETY IF WARNINGS ARE ISSUED. LISTEN TO NOAA WEATHER RADIO OR LOCAL RADIO AND TELEVISIONS STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Apr 15, 5:21 PM EDT, 55 minutes before
GAZ001-003-152230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 520 PM EDT THU APR 15 1993 ...A TORNADO WATCH IS IN EFFECT FOR NORTHWEST GEORGIA UNTIL 9 PM EDT... ...A TORNADO WATCH IS IN EFFECT FOR NORTHEAST GEORGIA UNTIL 1 AM EDT... AT 515 PM EDT WEATHER SERVICE RADAR INDICATED A LINE OF THUNDERSTORMS THAT EXTENDED FROM CHATTANOOGA TENNESSEE TO ROME GEORGIA TO NEAR MONTGOMERY ALABAMA. SOME OF THE STORMS PRODUCED PEA TO DIME SIZE HAIL AS THEY MOVED ACROSS PORTIONS OF ALABAMA. THE LINE OF STRONG THUNDERSTORMS IS EXPECTED TO CONTINUE MOVING EASTWARD AT 45 MPH...REACHING THE ATLANTA AREA BY 7 PM THIS EVENING. THE STRONGEST STORMS COULD PRODUCE FREQUENT LIGHTNING...LARGE HAIL AND DAMAGING WINDS WITH POSSIBLY A TORNADO. RESIDENTS OF NORTHWEST GEORGIA SHOULD KEEP A CAREFUL CHECK ON THE DEVELOPING SEVERE WEATHER AND BE PREPARED TO SEEK SAFETY IF WARNINGS ARE ISSUED. LISTEN TO NOAA WEATHER RADIO OR LOCAL RADIO AND TELEVISIONS STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Apr 15, 5:40 PM EDT, 36 minutes before
GAZ006-008-009-152255- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MACON GA 540 PM EDT THU APR 15 1993 ...TORNADO WATCH NUMBER 129 IN EFFECT UNTIL 1AM FOR PORTIONS OF CENTRAL GEORGIA... AT 5:35 PM EDT... WEATHER RADAR AT MACON INDICATED NO PRECIPITATION OF ANY SORT IN THE CENTRAL GEORGIA AREA. HOWEVER... A BAND OF INTENSE THUNDERSTORM ACTIVITY WAS ON A LINE FROM EXTREME NORTHWESTERN GEORGIA DOWN INTO EAST AND CENTRAL ALABAMA. THESE THUNDERSTORMS MAY CAUSE SEVERE THUNDERSTORMS AND POSSIBLE TORNADOES AS THEY MOVE ACROSS GEORGIA THIS EVENING FROM THE WEST AT 40 TO 50 MPH. THE WATCH AREA DOES NOT INCLUDE BIBB COUNTY... BUT DOES INCLUDE THOSE COUNTIES IMMEDIATELY TO THE NORTH. JASPER... JONES... MONROE... PUTNAM... AND BALDWIN COUNTIES... ARE IN THE TORNADO WATCH. THE THUNDERSTORMS SHOULD REACH THE AREA AFTER 7PM WITH WESTERNMOST COUNTIES AFFECTED FIRST.
Special weather statement, Apr 15, 5:40 PM EDT, 36 minutes before
GAZ006-008-009-152255- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MACON GA 540 PM EDT THU APR 15 1993 ...TORNADO WATCH NUMBER 129 IN EFFECT UNTIL 1AM FOR PORTIONS OF CENTRAL GEORGIA... AT 5:35 PM EDT... WEATHER RADAR AT MACON INDICATED NO PRECIPITATION OF ANY SORT IN THE CENTRAL GEORGIA AREA. HOWEVER... A BAND OF INTENSE THUNDERSTORM ACTIVITY WAS ON A LINE FROM EXTREME NORTHWESTERN GEORGIA DOWN INTO EAST AND CENTRAL ALABAMA. THESE THUNDERSTORMS MAY CAUSE SEVERE THUNDERSTORMS AND POSSIBLE TORNADOES AS THEY MOVE ACROSS GEORGIA THIS EVENING FROM THE WEST AT 40 TO 50 MPH. THE WATCH AREA DOES NOT INCLUDE BIBB COUNTY... BUT DOES INCLUDE THOSE COUNTIES IMMEDIATELY TO THE NORTH. JASPER... JONES... MONROE... PUTNAM... AND BALDWIN COUNTIES... ARE IN THE TORNADO WATCH. THE THUNDERSTORMS SHOULD REACH THE AREA AFTER 7PM WITH WESTERNMOST COUNTIES AFFECTED FIRST.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 5:01 PM EDT | Severe Thunderstorm Warning | FFC | Hamilton | 29 min |
| Apr 15, 5:42 PM EDT | Severe Thunderstorm Warning | FFC | Hamilton | 33 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 1993Every severe thunderstorm warning in 1993
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.