Alert archive / Tennessee / Tornado Watches in 1997
Tornado Watch 117
The Storm Prediction Center issued this tornado watch at Mar 28, 1997, 9:45 PM CST for 5 counties in Alabama; 5 counties in Georgia; 52 counties in Tennessee. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 28, 1997, 9:45 PM CST (03:45 UTC)
- Expired
- Mar 29, 1997, 4:00 AM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 62 counties
Colbert County, AL, Jackson County, AL, Lauderdale County, AL, Limestone County, AL, Madison County, AL, Catoosa County, GA, Dade County, GA, Murray County, GA, Walker County, GA, Whitfield County, GA, Anderson County, TN, Bedford County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Cannon County, TN, Claiborne County, TN, Clay County, TN, Coffee County, TN, Cumberland County, TN, Davidson County, TN, DeKalb County, TN, Fentress County, TN, Franklin County, TN, Giles County, TN, Grainger County, TN, Grundy County, TN, Hamilton County, TN, Hancock County, TN, Jackson County, TN, Knox County, TN, Lawrence County, TN, Lincoln County, TN, Loudon County, TN, Macon County, TN, Marion County, TN, Marshall County, TN, Maury County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Moore County, TN, Morgan County, TN, Overton County, TN, Pickett County, TN, Polk County, TN, Putnam County, TN, Rhea County, TN, Roane County, TN, Rutherford County, TN, Scott County, TN, Sequatchie County, TN, Smith County, TN, Sumner County, TN, Trousdale County, TN, Union County, TN, Van Buren County, TN, Warren County, TN, White County, TN, Williamson County, TN, Wilson County, TN
Warnings issued inside it
25 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 9:48 PM CST | Severe Thunderstorm Warning | OHX | Bedford | 27 min |
| Mar 28, 10:05 PM CST | Severe Thunderstorm Warning | OHX | Putnam | 40 min |
| Mar 28, 10:10 PM CST | Tornado Warning | OHX | Putnam | 50 min |
| Mar 28, 10:15 PM CST | Severe Thunderstorm Warning | MRX | Fentress | 45 min |
| Mar 28, 10:20 PM CST | Severe Thunderstorm Warning | FFC | Murray | 10 min |
| Mar 28, 10:25 PM CST | Tornado Warning | OHX | Coffee, Franklin, Lincoln | 50 min |
| Mar 28, 10:26 PM CST | Severe Thunderstorm Warning | MRX | Anderson | 49 min |
| Mar 28, 10:37 PM CST | Tornado Warning | OHX | Grundy | 38 min |
| Mar 28, 10:39 PM CST | Severe Thunderstorm Warning | MRX | Morgan | 21 min |
| Mar 28, 10:55 PM CST | Tornado Warning | OHX | Sequatchie | 65 min |
| Mar 28, 10:58 PM CST | Severe Thunderstorm Warning | MRX | Morgan | 32 min |
| Mar 28, 11:01 PM CST | Severe Thunderstorm Warning | OHX | Marion | 44 min |
| Mar 28, 11:07 PM CST | Severe Thunderstorm Warning | MRX | Knox | 53 min |
| Mar 28, 11:11 PM CST | Tornado Warning | MRX | Knox | 34 min |
| Mar 28, 11:16 PM CST | Tornado Warning | OHX | Bledsoe | 44 min |
| Mar 28, 11:17 PM CST | Severe Thunderstorm Warning | MRX | McMinn, Monroe | 43 min |
| Mar 28, 11:26 PM CST | Severe Thunderstorm Warning | MRX | Campbell | 49 min |
| Mar 28, 11:42 PM CST | Severe Thunderstorm Warning | MRX | Hamilton | 63 min |
| Mar 29, 12:05 AM CST | Severe Thunderstorm Warning | MRX | Meigs, Rhea | 25 min |
| Mar 29, 12:12 AM CST | Severe Thunderstorm Warning | MRX | McMinn | 33 min |
| Mar 29, 12:33 AM CST | Tornado Warning | MRX | Bradley | 27 min |
| Mar 29, 12:42 AM CST | Severe Thunderstorm Warning | MRX | Polk | 48 min |
| Mar 29, 12:56 AM CST | Severe Thunderstorm Warning | FFC | Murray, Whitfield | 34 min |
| Mar 29, 1:01 AM CST | Tornado Warning | MRX | Polk | 29 min |
| Mar 29, 1:17 AM CST | Tornado Warning | MRX | Bradley | 13 min |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 3.8 hours before the alert went out and 92 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
- 1331 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 1544 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 223 m²/s²
- 0-3 km storm-relative helicity
- 390 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 11.6
The text
As transmitted, in the capitals the NWS used until 2016.
693 WWUS9 KMKC 290324 SEL7 MKC WW 290324 TNZ000-ALZ000-GAZ000-291000- BULLETIN - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 117 STORM PREDICTION CENTER NORMAN OK 1024 PM EST FRI MAR 28 1997 A...THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PARTS OF middle and eastern TENNESSEE extreme northern ALABAMA a small PART OF northwest GEORGIA EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING UNTIL 500 AM EST. TORNADOES...LARGE HAIL...DANGEROUS LIGHTNING AND DAMAGING THUNDERSTORM WINDS ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 95 STATUTE MILES EAST AND WEST OF A LINE FROM 70 MILES WEST SOUTHWEST OF CHATTANOOGA TENNESSEE TO 50 MILES NORTH NORTHEAST OF CROSSVILLE TENNESSEE. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. B..OTHER WATCH INFORMATION.. THIS TORNADO WATCH REPLACES TORNADO WATCH NUMBER 115. WATCH NUMBER 115 WILL NOT BE IN EFFECT AFTER 1045 PM EST. $$ C...TORNADOES AND A FEW SVR TSTMS WITH HAIL SFC AND ALF TO 2 INCHES. EXTRM TURBC AND SFC WIND GUSTS TO 70 KNOTS. A FEW CBS WITH MAX TOPS TO 450. MEAN WIND VECTOR 24045. D...potential for lrg hail/i wnds and isold tornadoes durg the ovrngt hrs acrs cumberland plato...where lolvl ams recovery xpcd to cont w of wedge fnt alg the aplcn foothills. suf shear sud rmn present to support a few supercells...espy invof of wedge. E...OTR TSTMS... THIS WATCH REPLACES..WW 115.. CONT..WW 114..WW 116.. ...CORFIDI
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 11:45 PM CST | Tornado Watch | SPC | Cleburne | 4 hr |
| Mar 29, 4:15 AM CST | Severe Thunderstorm Watch | SPC | Lincoln | 6 hr |
Nearby
Tornado Watches in Tennessee, 1997Tornado Watches in Alabama, 1997Tornado Watches in Georgia, 1997Every tornado watch in 1997
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.