Alert archive / Virginia / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 288, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Jun 2, 1998, 4:43 PM EDT for Russell County, Virginia. It was in force for 37 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 2, 1998, 4:43 PM EDT (20:43 UTC)
- Expired
- Jun 2, 1998, 5:20 PM EDT
- In force
- 37 min
- Issued by
- NWS Morristown, TN
- Area
- Whole counties
County Russell County, VA
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 2, 3:10 PM EDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.7 hours before the alert went out and 218 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
- 252 J/kg
- Mixed-layer CIN
- -182 J/kg
- Mixed-layer LCL
- 1079 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 205 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
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 2, 2:30 PM EDT, 2 hours 13 minutes earlier.
Area forecast discussion, Jun 2, 2:30 PM EDT, 2 hours 13 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 230 PM EDT TUE JUN 2 1998 A WET AND STORMY PATTERN SHAPING UP FOR MY CWA THRU 48 HRS. ATMOS VERY UNSTABLE ATTM BUT NOTHING SO FAR HAS FIRED UP. VIS SATELLITE PIX SHOW BUILDING LINE OF CU FM CNTRL KY INTO NW TN MOVG E. ADAP SHOWS GOOD INSTAB W/NO CAP..BUT POOR CONVRG SO FAR. WL NEED TO KEEP AN EYE ON THIS FOR PSBL TSTM DVLPMT AS LINE MOVES INTO INCRSGLY UNSTABLE AREA. STNRY FRNT ACRS THE REGION WL WASH OUT TON WHILE AT THE SAME TIME COLD FRONT DIVES SE. ONCE ANY EVENING TSTMS DIE OUT..SKIES SHLD BE PTLY CLDY. FOR NOW WOULD FCST CHC EVE POPS. COLD FRNT WL BECM STNRY E-W ACRS TN DURING THE DAY WED. GOOD LOW-LVL CONVRG SEEN ALONG THE BNDRY. 500 VORT MVG ACRS NRN PORTION OF CWA DURG THE AFTN. INSTAB INDICES IMPRSV. IN ADDITION..PRONOUNCED THKNS DIFFLUENCE..HIGH PW VALUES AND UNIDIRECTIONAL SHEAR POINT TWD TRAINING HVY PRECIP ECHOES. WOULD GO FOR LIKELY POPS ACRS NE TN/SW VA AND 40-50 PCT ELSW. WED NGT INTO THU LOOKING VERY WET FOR MY CWA. E-W ORIENTED FRNT ACRS TN. DIGGING UPPER TROF OVER W COAST WL ENHANCE MOISTURE FLOW INTO BNDRY. ELONGATED VORT AXIS BEGINS TO EXTEND FM TX UP INTO TN VALLEY. BELIEVE MODEL POPS ARE TOO LOW. WOULD FCST GOOD CHC TO LIKELY POPS FOR ALL OF CWA WED NGT/THU. PREFER A MIX OF FWC/FAN FOR TEMPS. HSA
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 4:54 AM EDT | Severe Thunderstorm Warning | MRX | Fentress, Morgan | 66 min |
| Jun 2, 4:57 AM EDT | Severe Thunderstorm Warning | MRX | Jefferson, Knox, Sevier | 63 min |
| Jun 2, 5:18 AM EDT | Severe Thunderstorm Warning | MRX | Anderson, Scott | 62 min |
| Jun 2, 5:37 AM EDT | Severe Thunderstorm Warning | MRX | Hamilton | 63 min |
| Jun 2, 5:58 AM EDT | Severe Thunderstorm Warning | MRX | Blount, Knox, Sevier | 62 min |
| Jun 2, 6:02 AM EDT | Flash Flood Warning | MRX | Anderson, Knox | 3 hr |
| Jun 2, 6:05 AM EDT | Tornado Warning | MRX | Blount | 50 min |
| Jun 2, 6:08 AM EDT | Severe Thunderstorm Warning | MRX | Bradley | 62 min |
| Jun 2, 6:10 AM EDT | Tornado Warning | MRX | Sevier | 65 min |
| Jun 2, 7:13 AM EDT | Severe Thunderstorm Warning | MRX | Monroe | 47 min |
| Jun 2, 7:16 AM EDT | Severe Thunderstorm Warning | MRX | Anderson, Knox | 64 min |
| Jun 2, 7:18 AM EDT | Severe Thunderstorm Warning | MRX | Greene, Washington | 62 min |
| Jun 2, 7:36 AM EDT | Severe Thunderstorm Warning | MRX | Blount, Loudon | 49 min |
| Jun 2, 8:14 AM EDT | Severe Thunderstorm Warning | MRX | Blount, Loudon | 66 min |
| Jun 2, 7:05 PM EDT | Severe Thunderstorm Warning | MRX | Johnson | 30 min |
| Jun 2, 7:23 PM EDT | Tornado Warning | MRX | Johnson | 32 min |
| Jun 2, 7:36 AM EDT | Severe Thunderstorm Warning | MRX | Cherokee | 64 min |
| Jun 2, 7:56 AM EDT | Severe Thunderstorm Warning | MRX | Clay | 34 min |
Nearby
Severe Thunderstorm Warnings in Virginia, 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.