Alert archive / Tennessee / Tornado Warnings in 1998
Tornado Warning 17, NWS Morristown, TN
NWS Morristown, TN issued this tornado warning at Apr 16, 1998, 9:02 AM CDT for Cumberland County, Fentress County, Morgan County, Tennessee. It was in force for 63 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 16, 1998, 9:02 AM CDT (14:02 UTC)
- Expired
- Apr 16, 1998, 10:05 AM CDT
- In force
- 63 min
- Issued by
- NWS Morristown, TN
- Area
- Whole counties
Counties Cumberland County, TN, Fentress County, TN, Morgan County, TN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 16, 9:50 AM CDT | Thunderstorm Wind | Wartburg, TN |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 16, 7:00 AM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 2.0 hours before the alert went out and 156 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
- 76 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 585 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 180 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
614 WFUS01 KMRX 161403 RRA TORMRX TNC035-049-129-161505- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 1002 AM EDT (902 AM CDT) THU APR 16 1998 THE NATIONAL WEATHER SERVICE IN KNOXVILLE/TRI-CITIES HAS ISSUED A * TORNADO WARNING FOR... NORTHERN CUMBERLAND COUNTY IN EASTERN TENNESSEE SOUTHERN FENTRESS COUNTY IN EASTERN TENNESSEE MORGAN COUNTY IN EASTERN TENNESSEE * UNTIL 1005 AM CDT (1105 AM EDT) * AT 1000 AM EDT (900 AM CDT)... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO 2 MILES SOUTH OF GRIMESLEY IN SOUTHERN FENTRESS COUNTY... MOVING EAST AT 40 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... DEERLODGE AT 1015 AM EDT SUNBRIGHT AT 1020 AM EDT WARTBURG BY 1030 AM EDT GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR
What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Morristown, TN wrote its last area forecast discussion before this tornado warning went out at Apr 16, 1:40 AM CDT, 7 hours 22 minutes earlier.
Area forecast discussion, Apr 16, 1:40 AM CDT, 7 hours 22 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 240 AM EDT THU APR 16 1998 TDA...LOOKS LIKE AN ACTIVE DAY AHEAD. ACCRDG TO JUST ISSUED SWODY1..CURRENT STRONG TO SVR CONVEC FM OH THRU SRN IND/IL INTO AR WL LIKELY CREATE OUTFLOW BNDRYS WHICH WL HELP FOCUS AFTN CONVEC ACRS CWA. WOULD SUGGEST SVR WORDING FOR PLATEAU/SE IN LINE W/94O GRAPHIC. FWCS CHC POPS OUT TO LUNCH..BUT FANS CATEGORICAL POPS LOOK TOO HIGH. WOULD SUGGEST SPLITTING THE DIFF AND GOING 50-60 PCT AS IN CURRENT ZFP. WOULD LIKE TO SEE WINDY WORDING FOR MTS AND BREEZY FOR THE VALLEY CONTINUED IN UPCOMING ZFP. TON...ABUNDANT MOISTURE AND GOOD DYNAMICS WL RESULT IN WIDESPREAD SHWR/TSTM COVERAGE. FCST SNDGS SHOW WIND PROFILES BECMG INCRSNGLY UNIDIRECTIONAL DURING THE NGT & NEARLY SATURATED FM SFC ON UP. LOOKS LIKE FLASH FLOODING WL BECM A THREAT DURING THE NGT AS ECHOES MOVE NE AHEAD OF SLOW-MOVG FRONT. DAY SHIFT MAY WANT TO CONSIDER FLASH FLOOD WATCH. CATEGORICAL POPS SEEM IN LINE. FRI...FRONT WL CREEP THRU THE CWA UNDERNEATH WSW FLOW ALOFT. PRECIP WL SLOWLY END FM THE W AS FRNT MOVES THRU THE CWA..AND BETTER DYNAMICS AND MOISTURE SHIFT E. WOULD CONT LIKELY POPS. FWC TEMPS LOOK GOOD FOR TDA/TON. FWC/FAN CLOSE ON FRI BUT SEEM TOO HIGH GIVEN CLDS AND ONGOING PRECIP. WOULD DROP BY AT LEAST A CATEGORY. WL ISSUE AREA TSTM OUTLOOK SHORTLY DUE TO SVR THREAT. HSA
In the hours before
Local storm report, Apr 16, 4:25 AM CDT, 4 hours 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN
525 AM EDT THU APR 16 1998
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
440 PM POUND AREA VA 0.75 INCH HAIL
04/15/98 WISE HAIL CAUSED SERIOUS TRAFFIC
PROBLEMS. SOME HAIL POSSIBLY
LARGER BUT COULD NOT BE VERIFIED.The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 9:30 AM CDT | Tornado Warning | MRX | Anderson, Scott | 65 min |
| Apr 16, 9:33 AM CDT | Flash Flood Warning | MRX | Claiborne, Grainger, Hancock | 4 hr |
| Apr 16, 9:33 AM CDT | Flash Flood Warning | MRX | Cumberland, Fentress, Morgan, Scott | 4 hr |
| Apr 16, 9:33 AM CDT | Flash Flood Warning | MRX | Anderson, Campbell, Union | 4 hr |
| Apr 16, 11:27 AM CDT | Severe Thunderstorm Warning | MRX | Rhea | 33 min |
| Apr 16, 12:14 PM CDT | Severe Thunderstorm Warning | MRX | Monroe | 46 min |
| Apr 16, 3:13 PM CDT | Severe Thunderstorm Warning | MRX | Claiborne | 47 min |
| Apr 16, 3:34 PM CDT | Severe Thunderstorm Warning | MRX | Hancock | 46 min |
| Apr 16, 3:39 PM CDT | Severe Thunderstorm Warning | MRX | Hamilton | 61 min |
| Apr 16, 4:17 PM CDT | Severe Thunderstorm Warning | MRX | Bradley, McMinn, Meigs | 63 min |
| Apr 16, 4:17 PM CDT | Severe Thunderstorm Warning | MRX | Rhea | 63 min |
| Apr 16, 4:22 PM CDT | Tornado Warning | MRX | Meigs, Rhea | 33 min |
| Apr 16, 4:24 PM CDT | Severe Thunderstorm Warning | MRX | Sullivan | 46 min |
| Apr 16, 4:36 PM CDT | Severe Thunderstorm Warning | MRX | Loudon, Roane | 64 min |
| Apr 16, 4:39 PM CDT | Severe Thunderstorm Warning | MRX | McMinn, Polk | 61 min |
| Apr 16, 4:47 PM CDT | Tornado Warning | MRX | Polk | 63 min |
| Apr 16, 5:00 PM CDT | Severe Thunderstorm Warning | MRX | Anderson, Knox | 65 min |
| Apr 16, 5:00 PM CDT | Tornado Warning | MRX | Monroe | 45 min |
| Apr 16, 5:19 PM CDT | Severe Thunderstorm Warning | MRX | Cumberland | 1 min |
| Apr 16, 5:23 PM CDT | Severe Thunderstorm Warning | MRX | Cumberland | 57 min |
| Apr 16, 5:27 PM CDT | Severe Thunderstorm Warning | MRX | Grainger, Union | 58 min |
| Apr 16, 5:37 PM CDT | Severe Thunderstorm Warning | MRX | Fentress, Morgan | 63 min |
| Apr 16, 5:38 PM CDT | Tornado Warning | MRX | Cumberland | 62 min |
| Apr 16, 5:44 PM CDT | Severe Thunderstorm Warning | MRX | Monroe | 31 min |
| Apr 16, 5:49 PM CDT | Tornado Warning | MRX | Morgan | 66 min |
| Apr 16, 5:53 PM CDT | Tornado Warning | MRX | Claiborne | 67 min |
| Apr 16, 6:07 PM CDT | Tornado Warning | MRX | Hancock | 48 min |
| Apr 16, 6:12 PM CDT | Tornado Warning | MRX | Campbell | 33 min |
| Apr 16, 6:13 PM CDT | Severe Thunderstorm Warning | MRX | Bradley, Hamilton | 62 min |
| Apr 16, 6:13 PM CDT | Tornado Warning | MRX | Union | 37 min |
| Apr 16, 6:15 PM CDT | Tornado Warning | MRX | Anderson | 35 min |
| Apr 16, 6:21 PM CDT | Tornado Warning | MRX | Grainger | 34 min |
| Apr 16, 6:23 PM CDT | Tornado Warning | MRX | Scott | 32 min |
| Apr 16, 6:45 PM CDT | Severe Thunderstorm Warning | MRX | Campbell | 65 min |
| Apr 16, 6:48 PM CDT | Tornado Warning | MRX | Anderson, Union | 47 min |
| Apr 16, 6:53 PM CDT | Tornado Warning | MRX | Grainger | 47 min |
| Apr 16, 6:58 PM CDT | Tornado Warning | MRX | Claiborne | 47 min |
Nearby
Tornado Warnings in Tennessee, 1998Every tornado warning in 1998Tornadoes in 1998
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.