Alert archive / Tennessee / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 52, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Mar 31, 1993, 4:50 PM EST for Polk County, Tennessee. It was in force for 25 min.
The area
The counties it named.
The facts
- Issued
- Mar 31, 1993, 4:50 PM EST (21:50 UTC)
- Expired
- Mar 31, 1993, 5:15 PM EST
- In force
- 25 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Polk County, TN
The nearest sounding before it
Athens Municipal, GA (KAHN), launched 12:00Z, 9.8 hours before the alert went out and 172 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
- 33 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 570 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 99 m²/s²
- 0-3 km storm-relative helicity
- 33 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 312149 SVRCHA TNC139-312215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHATTANOOGA TN 450 PM EST WED MAR 31 1993 THE NATIONAL WEATHER SERVICE IN CHATTANOOGA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM EST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST TENNESSEE ...POLK COUNTY AT 448 PM EST WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM OVER SOUTHEASTERN POLK COUNTY IN EXTREME SOUTHEAST TENNESSEE. THE THUNDERSTORM WAS MOVING TOWARD THE NORTHEAST AT 40 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
Local storm report, Mar 31, 3:59 PM EST, 51 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE MACON GA 400 PM EST WED MAR 31 1993 ...PRELIMINARY INFORMATION ONLY...REPORTS MAY BE INCOMPLETE... COUNTY..... 309 WHEELER SOURCE..... LITTLE OCMULGEE EMC TIME....... 315 PM EST LOCATION... HIGHWAY 280 WEST OF ALAMO TYPE STORM. SEVERE THUNDERSTORM WIDTH...... NONE LENGTH..... NONE HAIL....... PEA SIZE DAMAGE..... POWER LINES DOWN TREES...... FEW TREES UPROOTED INJURIES... NONE COST....... UNKNOWN
Local storm report, Mar 31, 4:20 PM EST, 30 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE MACON GA 420 PM EST WED MAR 31 1993 ...PRELIMINARY INFORMATION ONLY...REPORTS MAY BE INCOMPLETE... COUNTY..... 175 LAURENS SOURCE..... OCMULGEE EMC TIME....... 415 PM EST LOCATION... DUDLEY TYPE STORM. SEVERE THUNDERSTORM WIDTH...... NONE LENGTH..... NONE HAIL....... 1 INCH DAMAGE..... NONE TREES...... NONE INJURIES... NONE COST....... UNKNOWN
Local storm report, Mar 31, 4:21 PM EST, 29 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE MACON GA 420 PM EST WED MAR 31 1993 ...PRELIMINARY INFORMATION ONLY...REPORTS MAY BE INCOMPLETE... COUNTY..... 175 LAURENS SOURCE..... OCMULGEE EMC TIME....... 415 PM EST LOCATION... DUDLEY TYPE STORM. SEVERE THUNDERSTORM WIDTH...... NONE LENGTH..... NONE HAIL....... 1 INCH DAMAGE..... NONE TREES...... NONE INJURIES... NONE COST....... UNKNOWN
Local storm report, Mar 31, 4:22 PM EST, 28 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE MACON GA 425 PM EST WED MAR 31 1993 ...PRELIMINARY INFORMATION ONLY...REPORTS MAY BE INCOMPLETE... COUNTY..... 271 TELFAIR SOURCE..... LITTLE OCMULGEE EMC TIME....... 325 PM EST LOCATION... 4 SOUTH OF MCRAE TYPE STORM. SEVERE THUNDERSTORM WIDTH...... NONE LENGTH..... NONE HAIL....... NONE DAMAGE..... TRAILER BLOWN OVER BY THUNDERSTORM WINDS. TREES...... NONE INJURIES... NONE COST....... UNKNOWN
Local storm report, Mar 31, 4:24 PM EST, 26 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE MACON GA 426 PM EST WED MAR 31 1993 ...PRELIMINARY INFORMATION ONLY...REPORTS MAY BE INCOMPLETE... COUNTY..... 175 LAURENS SOURCE..... DUBLIN TELEPHONE COMPANY TIME....... 418 PM EST LOCATION... DUBLIN TYPE STORM. SEVERE THUNDERSTORM WIDTH...... NONE LENGTH..... NONE HAIL....... 3/4 INCH DAMAGE..... NONE TREES...... NONE INJURIES... NONE COST....... UNKNOWN
Special weather statement, Mar 31, 4:33 PM EST, 17 minutes before
GAZ005-008-011-ALZ012-GAZ012-006-312330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS GA 433 PM EST WED MAR 31 1993 ...TORNADO WATCH IS NO LONGER IN EFFECT FOR EAST CENTRAL ALABAMA COUNTIES...TORNADO WATCH #88 REMAINS IN EFFECT FOR WEST CENTRAL..SOUTHWESTERN..AND SOUTHCENTRAL GEORGIA UNTIL 7 PM EST... AT 430 PM EST WEATHER RADAR INDICATED A STRONG THUNDERSTORM NEAR SLYVESTER IN WORTH COUNTY OF SOUTHWEST GEORGIA. THIS STORM WAS MOVING NORTHEAST AT 35 MILES AN HOUR. NO PRECIPITATION WAS INDICATED OVER WEST CENTRAL AND THE REST OF SOUTHWEST GEORGIA..HOWEVER..CONDITIONS REMAIN FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS AND TORNADOES. PEOPLE IN WEST CENTRAL..SOUTHWEST..AND SOUTHCENTRAL GEORGIA SHOULD REMAIN ALERT THIS EVENING FOR APPROACHING THUNDERSTORMS. MOVE INDOORS IF A STORM THREATENS AND LISTEN TO NOAA WEATHER RADIO FOR LATER STATEMENTS OR WARNINGS.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 31, 10:18 AM EST | Severe Thunderstorm Warning | FFC | Rhea | 42 min |
| Mar 31, 5:17 PM EST | Severe Thunderstorm Warning | FFC | Rhea | 28 min |
| Mar 31, 5:53 PM EST | Severe Thunderstorm Warning | FFC | Bledsoe | 37 min |
| Mar 31, 6:36 PM EST | Severe Thunderstorm Warning | FFC | Rhea | 39 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.