Alert archive / Tennessee / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 104, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Apr 16, 1998, 7:37 PM CDT for Cumberland County, Tennessee. It was in force for 63 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 16, 1998, 7:37 PM CDT (00:37 UTC)
- Expired
- Apr 16, 1998, 8:40 PM CDT
- In force
- 63 min
- Issued by
- NWS Morristown, TN
- Area
- Whole counties
County Cumberland County, TN
The radar
The Nashville radar (KOHX), 144 km from the middle of the area, began a volume at 00:40 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
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, 4:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 0.6 hours before the alert went out and 290 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
- 1217 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 573 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 280 m²/s²
- 0-3 km storm-relative helicity
- 368 m²/s²
- Significant tornado parameter
- 3.0
- Supercell composite
- 10.6
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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.
NWS Morristown, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 16, 2:30 PM CDT, 5 hours 7 minutes earlier.
Area forecast discussion, Apr 16, 2:30 PM CDT, 5 hours 7 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 330 PM EDT THU APR 16 1998 ONCE AGAIN...VERY BUSY LIKE EVERYONE ELSE. BIGGEST PROB O THE DAY IS TORNADO WATCH...BUT AS EVENING COMES THIS WILL DIMINISH AND FLASH FLOODING WILL BECOME THE THREAT OVERNIGHT. RECOMMEND FFA FOR ENTIRE CWA...THIS INCLUDES VA AND NC COUNTIES. REASONING INCLUDES EXTREME PW VALUES (1.5)...UNIDIRECTIONAL WIND PROFILE...AND THICKNESS DIFLUENCE WHICH ALLOW FOR REDEVELOPMENT OF CELLS AND TRAINING OF ECHOES. BELV POPS COULD BE RAISED TO REFLECT HEAVY RAIN OVER NIGHT. ALL AREAS ARE GOING TO RECEIVE MEASURABLE RAIN TONIGHT AND TOMORROW. BB
In the hours before
Local storm report, Apr 16, 6:35 PM CDT, 1 hour 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN
735 PM EDT THU APR 16 1998
TIME(EDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
425 PM NEAR HARROGATE TN WIND DAMAGE
04/16/98 CLAIBORNE TREES DOWN AND POWER LINES
DOWN NEAR HARROGATE
1 NURSING HOME ALSO DAMAGED
NEAR HARROGATE
435 PM NEAR JONESVILLE VA 0.75 INCH HAIL
04/16/98 LEE
540 PM NEAR JONESVILLE VA WIND DAMAGE
04/16/98 LEE 5 FOOT TREE UPROOTED 3 MILES
WEST OF HIGHWAY 58
445 PM TN 0.75 INCH HAIL
04/16/98 HAMILTON DIME SIZE HAIL REPORTED
COUNTY-WIDE
525 PM CLEVELAND TN 1.00 INCH HAIL
04/16/98 BRADLEY QUARTER SIZE HAIL REPORTED
IN DOWNTOWN CLEVELAND
545 PM TN 0.75 INCH HAIL
04/16/98 MCMINN DIME SIZE HAIL REPORTED IN
NORTHEAST MCMINN COUNTY
548 PM TN 0.75 INCH HAIL
04/16/98 MEIGS DIME SIZE HAIL REPORTED NEAR
DECATUR IN MEIGS COUNTY
540 PM WOLF CREEK AREA TN TORNADO
04/16/98 RHEA POSSIBLE TORNADO TOUCHDOWN
REPORTED IN THE WOLF CREEK
AREA
540 PM TN 1.00 INCH HAIL
04/16/98 RHEA QUARTER SIZE HAIL REPORTED
NEAR THE RHEA COUNTY AIRPORT
540 PM TN WIND DAMAGE
04/16/98 RHEA NUMEROUS TREES DOWN
COUNTY-WIDE
530 PM TN 0.75 INCH HAIL
04/16/98 MEIGS DIME SIZE HAIL REPORTED
COUNTY-WIDE
530 PM NEAR KINGSPORT TN WIND DAMAGE
04/16/98 SULLIVAN TREES DOWN IN THE KINGSPORT
AREA
545 PM NEAR KINGSTON TN WIND DAMAGE
04/16/98 ROANE TREES DOWN NEAR KINGSTON
608 PM TN 0.75 INCH HAIL
04/16/98 KNOX DIME SIZE HAIL REPORTED ON
WATTS ROAD IN WESTERN KNOX
COUNTY
610 PM TN 1.00 INCH HAIL
04/16/98 KNOX ONE-INCH DIAMETER HAIL
REPORTED IN WESTERN KNOX
COUNTY
620 PM TELLICO MOUNTAIN TN 1.00 INCH HAIL
04/16/98 MONROE QUARTER SIZE HAIL REPORTED
NEAR TELLICO MOUNTAIN
615 PM TN WIND DAMAGE
04/16/98 MONROE TREES DOWN IN THE SOUTHERN
PART OF MONROE COUNTY
630 PM NEAR HIGHWAY 70 TN 1.00 INCH HAIL
04/16/98 CUMBERLAND QUARTER SIZE HAIL REPORTED
ON HIGHWAY 70
650 PM TN WIND DAMAGE
04/16/98 CUMBERLAND ROOF WAS BLOWN OFF A HOME
NUMEROUS TREES UPROOTED IN
THE SOUTHERN PART OF
CUMBERLAND COUNTY
700 PM TN WIND DAMAGE
04/16/98 MORGAN TREES DOWN AND ROOF DAMAGE
IN THE NORTHERN PART OF
MORGAN COUNTYThe office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 7:02 PM CDT | Tornado Warning | MRX | Hancock | 63 min |
| Apr 16, 7:06 PM CDT | Severe Thunderstorm Warning | MRX | Loudon, Roane | 59 min |
| Apr 16, 7:20 PM CDT | Severe Thunderstorm Warning | MRX | Knox | 65 min |
| Apr 16, 7:50 PM CDT | Severe Thunderstorm Warning | MRX | Jefferson, Sevier | 65 min |
| Apr 16, 8:01 PM CDT | Tornado Warning | MRX | Hamblen, Jefferson | 64 min |
| Apr 16, 8:27 PM CDT | Severe Thunderstorm Warning | MRX | Cocke, Greene | 63 min |
| Apr 16, 8:32 PM CDT | Severe Thunderstorm Warning | MRX | Morgan | 48 min |
| Apr 16, 8:38 PM CDT | Tornado Warning | MRX | Meigs, Rhea | 62 min |
| Apr 16, 8:53 PM CDT | Flash Flood Warning | MRX | Anderson, Campbell, Claiborne, Union | 6 hr |
| Apr 16, 8:55 PM CDT | Severe Thunderstorm Warning | MRX | Campbell | 50 min |
| Apr 16, 9:51 PM CDT | Severe Thunderstorm Warning | MRX | Hamilton | 64 min |
| Apr 16, 10:20 PM CDT | Flash Flood Warning | MRX | Anderson, Roane | 5 hr |
| Apr 16, 10:24 PM CDT | Severe Thunderstorm Warning | MRX | Meigs, Rhea | 61 min |
| Apr 16, 10:24 PM CDT | Severe Thunderstorm Warning | MRX | Bradley | 61 min |
| Apr 16, 10:36 PM CDT | Tornado Warning | MRX | Bradley | 34 min |
| Apr 16, 10:41 PM CDT | Tornado Warning | MRX | McMinn | 49 min |
| Apr 16, 10:54 PM CDT | Severe Thunderstorm Warning | MRX | Loudon, Monroe, Roane | 61 min |
| Apr 16, 10:54 PM CDT | Tornado Warning | MRX | Blount, Loudon | 46 min |
| Apr 16, 11:10 PM CDT | Flash Flood Warning | MRX | Loudon | 3 hr |
| Apr 16, 11:17 PM CDT | Severe Thunderstorm Warning | MRX | Polk | 63 min |
| Apr 16, 11:35 PM CDT | Flash Flood Warning | MRX | Knox | 3 hr |
| Apr 16, 7:24 PM CDT | Tornado Warning | MRX | Lee | 46 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 1998Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.