Alert archive / Virginia / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 140, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at May 3, 1998, 4:35 PM EDT for Wise County, Virginia. It was in force for 50 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
- May 3, 1998, 4:35 PM EDT (20:35 UTC)
- Expired
- May 3, 1998, 5:25 PM EDT
- In force
- 50 min
- Issued by
- NWS Morristown, TN
- Area
- Whole counties
County Wise County, VA
The nearest sounding before it
Roanoke, VA (KRNK), launched 12:00Z, 8.6 hours before the alert went out and 278 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 832 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 May 3, 2:55 PM EDT, 1 hour 40 minutes earlier.
Area forecast discussion, May 3, 2:55 PM EDT, 1 hour 40 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE KNOXVILLE/TRI-CITIES TN 255 PM EDT SUN MAY 3 1998 COLD FRONT ESTIMATED BTWN BNA & CSV ATTM. SHWRS/TSTMS FORMING IN AREA UNSTABLE AIR AHEAD OF FRNT AS SEEN IN ADAP PRODUCTS. FRNT WL CONT MOVE E INTO WRN PORTIONS OF CWA THIS EVE AND ACRS REMAINDER OF CWA OVRNGT. BELIEVE MUCH OF SHWR/TSTM ACTIVITY WL DIE OUT ONCE THE SUN GOES DOWN. LIKELY POPS STILL LOOK GOOD AND WOULD RETAIN MENTION OF MAINLY THIS EVE. MON...FRONT WL BE TO THE E. HWVR A VORT LOBE ROTATING ARND UPPER LOW AND AN ASSOC SFC TROF WL MOVE THRU CWA DURING THE DAY. COOL POOL ALOFT DIRECTLY OVHD ALONG W/DAYTIME HTG WL SET OFF SCT SHWRS/TSTMS. POPS WL BE A BIT HIGHER IN NE TN/SW VA WHERE MOISTURE WL BE DEEPEST AND PROXIMITY TO COOLEST TEMPS ALOFT BEST. MON NGT & TUE...WX WL BE QUIETING DOWN AS VORT LOBE..SFC TROF..AND DEEPEST MOISTURE LIFT OUT AND UPPER RIDGE BEGINS TO BUILD IN W/ACCOMPANYING HGT RISES. 850 MB TROF LIFTS OUT W/TEMPS SLOWLY WARMING..ESP DURING THE DAY TUES. STILL ENUF MOISTURE ARND FOR A GOOD DEAL OF CU SO WOULD GO WITH A PTLY CLDY BUT DRY FCST. FWC/FAN TEMPS IN GOOD AGREEMENT AND RECMND A BLEND FOR THE UPCOMING ZFP. HSA
In the hours before
Special weather statement, May 3, 11:11 AM EDT, 5 hours 24 minutes before
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</html>The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 2:29 PM EDT | Severe Thunderstorm Warning | MRX | Claiborne | 46 min |
| May 3, 3:40 PM EDT | Severe Thunderstorm Warning | MRX | Union | 50 min |
| May 3, 3:43 PM EDT | Severe Thunderstorm Warning | MRX | Knox | 47 min |
| May 3, 4:05 PM EDT | Severe Thunderstorm Warning | MRX | Claiborne, Grainger | 45 min |
| May 3, 4:33 PM EDT | Severe Thunderstorm Warning | MRX | Hancock | 47 min |
| May 3, 4:44 PM EDT | Severe Thunderstorm Warning | MRX | Anderson, Union | 46 min |
| May 3, 4:53 PM EDT | Severe Thunderstorm Warning | MRX | Claiborne, Grainger | 47 min |
| May 3, 4:58 PM EDT | Severe Thunderstorm Warning | MRX | Hawkins | 47 min |
| May 3, 5:13 PM EDT | Severe Thunderstorm Warning | MRX | Cumberland | 47 min |
| May 3, 5:14 PM EDT | Severe Thunderstorm Warning | MRX | Blount | 46 min |
| May 3, 5:25 PM EDT | Severe Thunderstorm Warning | MRX | Morgan | 45 min |
| May 3, 5:46 PM EDT | Severe Thunderstorm Warning | MRX | Anderson | 49 min |
| May 3, 6:31 PM EDT | Severe Thunderstorm Warning | MRX | Anderson | 29 min |
| May 3, 6:36 PM EDT | Severe Thunderstorm Warning | MRX | Knox | 44 min |
| May 3, 6:51 PM EDT | Severe Thunderstorm Warning | MRX | Union | 49 min |
| May 3, 7:14 PM EDT | Severe Thunderstorm Warning | MRX | Grainger, Knox | 41 min |
| May 3, 7:32 PM EDT | Severe Thunderstorm Warning | MRX | Hamblen, Jefferson | 43 min |
| May 3, 7:40 PM EDT | Severe Thunderstorm Warning | MRX | Blount, Sevier | 60 min |
| May 3, 7:52 PM EDT | Severe Thunderstorm Warning | MRX | Knox | 33 min |
| May 3, 3:08 PM EDT | Severe Thunderstorm Warning | MRX | Lee | 62 min |
| May 3, 5:01 PM EDT | Severe Thunderstorm Warning | MRX | Scott | 49 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.