Alert archive / Missouri / Tornado Warnings in 1998
Tornado Warning 92, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Jun 29, 1998, 7:17 PM CDT for Knox County, Missouri. It was in force for 48 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 29, 1998, 7:17 PM CDT (00:17 UTC)
- Expired
- Jun 29, 1998, 8:05 PM CDT
- In force
- 48 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Knox County, MO
The radar
The St Louis radar (KLSX), 203 km from the middle of the area, began a volume at 00:16 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 |
|---|---|---|---|
| Jun 29, 4:15 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 0.3 hours before the alert went out and 216 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
- 2291 m above ground
- 0-6 km bulk shear
- 122 kt
- 0-1 km storm-relative helicity
- 282 m²/s²
- 0-3 km storm-relative helicity
- 358 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
321 WFUS1 KSTL 300018 RRA TORSTL MOC103-300105- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 717 PM CDT MON JUN 29 1998 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A * TORNADO WARNING FOR... KNOX COUNTY IN NORTHEASTERN MISSOURI * UNTIL 805 PM CDT * AT 716 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO 3 MILES SOUTHEAST OF KIRKSVILLE...MOVING EAST AT 30 MPH. * LOCATIONS IN THE PATH... HURDLAND NOVELTY EDINA DOPPLER RADAR IS SHOWING A STRONG TORNADO SIGNAL. IF YOU ARE IN THE PATH MOVE TO A SHELTER NOW A BASEMENT IS BEST...BUT IF NOT AVAILABLE...MOVE TO THE LOWEST LEVEL AND HIDE IN A SMALL INTERIOR ROOM. GET OUT OF MOBILE HOMES AND CARS IN FAVOR OF A STRONG BUILDING. DM/RP/VA
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 7:31 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 49 min |
| Jun 29, 7:39 PM CDT | Tornado Warning | LSX | Shelby | 46 min |
| Jun 29, 7:52 PM CDT | Tornado Warning | LSX | Monroe | 33 min |
| Jun 29, 8:06 PM CDT | Tornado Warning | LSX | Audrain | 49 min |
| Jun 29, 8:33 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 47 min |
| Jun 29, 8:42 PM CDT | Tornado Warning | LSX | Montgomery | 48 min |
| Jun 29, 9:08 PM CDT | Tornado Warning | LSX | Warren | 47 min |
| Jun 29, 9:15 PM CDT | Flash Flood Warning | LSX | Montgomery, Warren | 4 hr |
| Jun 29, 9:15 PM CDT | Flash Flood Warning | LSX | Audrain, Monroe, Shelby | 4 hr |
| Jun 29, 10:01 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Jefferson | 44 min |
| Jun 29, 10:31 PM CDT | Flash Flood Warning | LSX | Callaway, Gasconade | 3 hr |
| Jun 29, 10:31 PM CDT | Flash Flood Warning | LSX | Boone | 3 hr |
Nearby
Tornado Warnings in Missouri, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.