Alert archive / Tennessee / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 342, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Jun 14, 1998, 1:44 PM EDT for Meigs County, Rhea County, Roane County, Tennessee. It was in force for 61 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
- Jun 14, 1998, 1:44 PM EDT (17:44 UTC)
- Expired
- Jun 14, 1998, 2:45 PM EDT
- In force
- 61 min
- Issued by
- NWS Morristown, TN
- Area
- Whole counties
Counties Meigs County, TN, Rhea County, TN, Roane County, TN
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 14, 11:30 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 12:00Z, 5.7 hours before the alert went out and 174 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
- 6 J/kg
- Mixed-layer CIN
- -256 J/kg
- Mixed-layer LCL
- 813 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 254 m²/s²
- 0-3 km storm-relative helicity
- 350 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 Jun 14, 1:40 PM EDT, 4 minutes earlier.
Area forecast discussion, Jun 14, 1:40 PM EDT, 4 minutes before
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</html>In the hours before
Special weather statement, Jun 14, 11:01 AM EDT, 2 hours 43 minutes before
NCZ060-061-TNZ012>018-034>047-066>074-083>087-099>102-VAZ001-002-005- 006-008-142300- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 1101 AM EDT SUN JUN 14 1998 ...A RISK OF SEVERE THUNDERSTORMS EXISTS THIS AFTERNOON AND EVENING FOR SOUTHWEST VIRGINIA...CUMBERLAND PLATEAU...EAST TENNESSEE AND EXTREME SOUTHWEST NORTH CAROLINA... LATE THIS MORNING...A WARM FRONT WAS LOCATED FROM WESTERN TENNESSEE TO NORTHERN ALABAMA TO CENTRAL GEORGIA. THIS FRONT WILL CONTINUE TO LIFT NORTHEAST TOWARD THE REGION TODAY AND BE LOCATED ACROSS SOUTHEAST TENNESSEE BY EARLY THIS EVENING THEN MOVE NORTH OF THE AREA OVERNIGHT. INCREASING SOUTHERLY WINDS ALONG AND SOUTH OF THE WARM FRONT WILL ALLOW INCREASING WARM...MOIST AND UNSTABLE AIR TO MOVE INTO THE REGION. AT THE SAME TIME...AN UPPER LEVEL DISTURBANCE WILL MOVE ACROSS THE TENNESSEE VALLEY COMBINING FORCES WITH THE APPROACHING WARM FRONT TO PRODUCE SCATTERED THUNDERSTORMS OVER REGION THIS AFTERNOON AND EVENING. DUE TO THE FAVORABLE WINDS ALOFT...SOME OF THESE STORMS MAY BECOME SEVERE THIS AFTERNOON AND EVENING. THE MAIN THREAT WILL BE DAMAGING STRAIGHT LINE WINDS AND LARGE HAIL...BUT ISOLATED TORNADOES ARE POSSIBLE... GENERALLY ALONG AND SOUTH OF INTERSTATE 40. THE INCREASING MOISTURE OVER THE AREA WILL ALSO PRODUCE A THREAT FOR LOCALLIZED FLASH FLOODING. FLOODING OF LOW LYING AREAS...STREET FLOODING...AND RAPID STREAM RISE ARE POSSIBLE. REMEMBER...A SEVERE THUNDERSTORM IS DEFINED AS ANY STORM PRODUCING 3/4 INCH HAIL (DIME-SIZE) OR LARGER...AND/OR WINDS OF 58 MPH OR HIGHER. STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT OFFICIALS MAY NEED TO BE ACTIVATED THIS AFTERNOON AND EVENING. RESIDENTS ACROSS THE AREA SHOULD CONTINUE TO MONITOR THE LATEST FORECAST AND LISTEN FOR LATER WEATHER UPDATES FROM YOUR NATIONAL WEATHER SERVICE. DH
Special weather statement, Jun 14, 11:01 AM EDT, 2 hours 43 minutes before
NCZ060-061-TNZ012>018-034>047-066>074-083>087-099>102-VAZ001-002-005- 006-008-142300- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 1101 AM EDT SUN JUN 14 1998 ...A RISK OF SEVERE THUNDERSTORMS EXISTS THIS AFTERNOON AND EVENING FOR SOUTHWEST VIRGINIA...CUMBERLAND PLATEAU...EAST TENNESSEE AND EXTREME SOUTHWEST NORTH CAROLINA... LATE THIS MORNING...A WARM FRONT WAS LOCATED FROM WESTERN TENNESSEE TO NORTHERN ALABAMA TO CENTRAL GEORGIA. THIS FRONT WILL CONTINUE TO LIFT NORTHEAST TOWARD THE REGION TODAY AND BE LOCATED ACROSS SOUTHEAST TENNESSEE BY EARLY THIS EVENING THEN MOVE NORTH OF THE AREA OVERNIGHT. INCREASING SOUTHERLY WINDS ALONG AND SOUTH OF THE WARM FRONT WILL ALLOW INCREASING WARM...MOIST AND UNSTABLE AIR TO MOVE INTO THE REGION. AT THE SAME TIME...AN UPPER LEVEL DISTURBANCE WILL MOVE ACROSS THE TENNESSEE VALLEY COMBINING FORCES WITH THE APPROACHING WARM FRONT TO PRODUCE SCATTERED THUNDERSTORMS OVER REGION THIS AFTERNOON AND EVENING. DUE TO THE FAVORABLE WINDS ALOFT...SOME OF THESE STORMS MAY BECOME SEVERE THIS AFTERNOON AND EVENING. THE MAIN THREAT WILL BE DAMAGING STRAIGHT LINE WINDS AND LARGE HAIL...BUT ISOLATED TORNADOES ARE POSSIBLE... GENERALLY ALONG AND SOUTH OF INTERSTATE 40. THE INCREASING MOISTURE OVER THE AREA WILL ALSO PRODUCE A THREAT FOR LOCALLIZED FLASH FLOODING. FLOODING OF LOW LYING AREAS...STREET FLOODING...AND RAPID STREAM RISE ARE POSSIBLE. REMEMBER...A SEVERE THUNDERSTORM IS DEFINED AS ANY STORM PRODUCING 3/4 INCH HAIL (DIME-SIZE) OR LARGER...AND/OR WINDS OF 58 MPH OR HIGHER. STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT OFFICIALS MAY NEED TO BE ACTIVATED THIS AFTERNOON AND EVENING. RESIDENTS ACROSS THE AREA SHOULD CONTINUE TO MONITOR THE LATEST FORECAST AND LISTEN FOR LATER WEATHER UPDATES FROM YOUR NATIONAL WEATHER SERVICE. DH
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 12:39 PM EDT | Severe Thunderstorm Warning | MRX | Fentress | 61 min |
| Jun 14, 12:58 PM EDT | Severe Thunderstorm Warning | MRX | Cumberland, Morgan | 62 min |
| Jun 14, 1:34 PM EDT | Severe Thunderstorm Warning | MRX | Scott | 51 min |
| Jun 14, 1:44 PM EDT | Severe Thunderstorm Warning | MRX | Anderson | 61 min |
| Jun 14, 5:50 PM EDT | Severe Thunderstorm Warning | MRX | Bradley, Polk | 45 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.