Alert archive / Tennessee / Tornado Warnings in 1998
Tornado Warning 11, NWS Morristown, TN
NWS Morristown, TN issued this tornado warning at Apr 8, 1998, 1:00 PM CDT for Fentress County, Scott County, Tennessee. It was in force for 60 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 8, 1998, 1:00 PM CDT (18:00 UTC)
- Expired
- Apr 8, 1998, 2:00 PM CDT
- In force
- 60 min
- Issued by
- NWS Morristown, TN
- Area
- Whole counties
Counties Fentress County, TN, Scott County, TN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 8, 2:10 PM CDT | Hail 1.75 | Allardt, 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 8, 11:00 AM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 6.0 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
- 5 J/kg
- Mixed-layer CIN
- -164 J/kg
- Mixed-layer LCL
- 1652 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 140 m²/s²
- 0-3 km storm-relative helicity
- 180 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMRX 081802 RRA TORMRX TNC049-151-081900- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE KNOXVILLE TRI CITIES TN 200 PM EDT (100 PM CDT) WED APR 8 1998 THE NATIONAL WEATHER SERVICE IN KNOXVILLE TRI CITIES HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 300 PM EDT (200 PM CDT) FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST TENNESSEE ...FENTRESS COUNTY...SCOTT COUNTY NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES A POSSIBLE TORNADO JUST SOUTH OF JAMESTOWN MOVING EAST AT 35 MPH. THE STORM WILL REACH THE TOWN OF ALLARDT WITHIN 15 MINUTES...AND NEW RIVER IN 30 MINUTES. IT WILL REACH HUNTSVILLE IN 35 TO 40 MINUTES. THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF AVAILABLE. OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE. AVOID WINDOWS. ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING OR GET INTO A DITCH OR~ CULVERT.
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 8, 9:25 AM CDT, 3 hours 35 minutes earlier.
Area forecast discussion, Apr 8, 9:25 AM CDT, 3 hours 35 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 1025 AM EDT WED APR 8 1998 MORNING THUNDERSTORMS HAVE MOVED OUT OF KMRX 88D COVERAGE AREA...BUT MORE THUNDERSTORMS BEGINNING TO ENTER WESTERN EDGE OF KHTX 88D. WE ARE OBVIOUSLY UNSTABLE...AND WITH OUTFLOWS FROM SURROUNDING STORMS MOVING THROUGH THE AREA WE COULD HAVE THUNDERSTORMS POPPING UP ANYTIME THIS AFTERNOON WITH MORE ORGANIZED ACTIVITY THIS EVENING AS THE FRONT NEARS. RECOMMEND RAISING POPS TO LIKELY (80%) IN ALL EAST TN ZONES THIS AFTERNOON AND INCLUDE RISK OF SEVERE OVER PLATEAU (CSV) AND SOUTHERN VALLEY (CHA AND TYS) TO CORRESPOND TO SPC MODERATE AREA. ELSE LOOKS FINE. CRW...CONSIDER RAISING POPS TO LIKELY (70%) THIS AFTERNOON. DONT THINK IT WILL BE SEVERE...BUT DISSIPATING STORMS WILL TRACK THROUGH SOUTHEAST VA SIMILAR TO THIS MORNING. REST LOOKS OK. RDU...MAY CONSIDER ADDING RISK OF SEVERE STORMS...ELSE LOOKS GOOD. GH
In the hours before
Local storm report, Apr 8, 8:06 AM CDT, 4 hours 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN
906 AM EDT WED APR 8 1998
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
610 AM MAYLAND TN 0.75 INCH HAIL
04/08/98 CUMBERLAND DIME SIZE HAIL BETWEEN 510
AND 515 CDT IN MAYLAND AND
BAtKER CROSSROADS COMMUNITIESSpecial weather statement, Apr 8, 9:00 AM CDT, 4 hours before
NCZ060-061-TNZ012>018-034>047-066>074-083>087-099>102-VAZ001-002-005- 006-008-090130- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 1000 AM EDT WED APR 8 1998 ...SEVERE THUNDERSTORMS POSSIBLE THIS AFTERNOON AND TONIGHT... A SOUTHERLY WIND WAS BRINGING WARM AND MOIST AIR INTO THE AREA MAKING THE ATMOSPHERE UNSTABLE. A STRONG UPPER LEVEL STORM SYSTEM AND A SURFACE COLD FRONT WILL MOVE EAST ACROSS TENNESSEE THIS AFTERNOON TRIGGERING STRONG TO SEVERE THUNDERSTORMS THIS AFTERNOON AND INTO THE EVENING HOURS. THE BEST CHANCE FOR SEVERE THUNDERSTORMS WILL BE OVER THE CUMBERLAND PLATEAU AND THE SOUTHERN TENNESSEE VALLEY...GENERALLY ALONG AND SOUTH OF A LINE FROM CROSSVILLE TO KNOXVILLE. THE MAIN THREAT FROM THESE STORMS WILL BE LARGE HAIL AND STRONG STRAIGHT LINE WINDS...HOWEVER A FEW TORNDADOES ARE ALSO POSSIBLE AS WELL. EMERGENCY MANAGERS AND SKYWARN SPOTTERS SHOULD BE PREPARED TO BE ACTIVATED THIS AFTERNOON. THIS COULD BE A POTENTIALLY DANGEROUS SITUATION SO KEEP TUNED TO YOUR FAVORITE RADIO AND TELEVISION STATIONS...OR NOAA WEATHER RADIO FOR FURTHER STATEMENTS ON THIS DEVELOPING SITUATION. GH
Special weather statement, Apr 8, 9:00 AM CDT, 4 hours before
NCZ060-061-TNZ012>018-034>047-066>074-083>087-099>102-VAZ001-002-005- 006-008-090130- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 1000 AM EDT WED APR 8 1998 ...SEVERE THUNDERSTORMS POSSIBLE THIS AFTERNOON AND TONIGHT... A SOUTHERLY WIND WAS BRINGING WARM AND MOIST AIR INTO THE AREA MAKING THE ATMOSPHERE UNSTABLE. A STRONG UPPER LEVEL STORM SYSTEM AND A SURFACE COLD FRONT WILL MOVE EAST ACROSS TENNESSEE THIS AFTERNOON TRIGGERING STRONG TO SEVERE THUNDERSTORMS THIS AFTERNOON AND INTO THE EVENING HOURS. THE BEST CHANCE FOR SEVERE THUNDERSTORMS WILL BE OVER THE CUMBERLAND PLATEAU AND THE SOUTHERN TENNESSEE VALLEY...GENERALLY ALONG AND SOUTH OF A LINE FROM CROSSVILLE TO KNOXVILLE. THE MAIN THREAT FROM THESE STORMS WILL BE LARGE HAIL AND STRONG STRAIGHT LINE WINDS...HOWEVER A FEW TORNDADOES ARE ALSO POSSIBLE AS WELL. EMERGENCY MANAGERS AND SKYWARN SPOTTERS SHOULD BE PREPARED TO BE ACTIVATED THIS AFTERNOON. THIS COULD BE A POTENTIALLY DANGEROUS SITUATION SO KEEP TUNED TO YOUR FAVORITE RADIO AND TELEVISION STATIONS...OR NOAA WEATHER RADIO FOR FURTHER STATEMENTS ON THIS DEVELOPING SITUATION. GH
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 8, 4:52 AM CDT | Severe Thunderstorm Warning | MRX | Cumberland | 68 min |
| Apr 8, 12:47 PM CDT | Severe Thunderstorm Warning | MRX | Fentress, Scott | 58 min |
| Apr 8, 1:24 PM CDT | Severe Thunderstorm Warning | MRX | Morgan | 66 min |
| Apr 8, 2:02 PM CDT | Severe Thunderstorm Warning | MRX | Claiborne | 58 min |
| Apr 8, 2:27 PM CDT | Severe Thunderstorm Warning | MRX | Scott | 48 min |
| Apr 8, 2:35 PM CDT | Severe Thunderstorm Warning | MRX | Morgan | 55 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.