Alert archive / Missouri / Tornado Warnings in 1998
Tornado Warning 5, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at Apr 13, 1998, 3:05 PM CDT for Callaway County, Montgomery County, Missouri. It was in force for 40 min. 3 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 13, 1998, 3:05 PM CDT (20:05 UTC)
- Expired
- Apr 13, 1998, 3:45 PM CDT
- In force
- 40 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Callaway County, MO, Montgomery County, MO
The radar
The St Louis radar (KLSX), 90 km from the middle of the area, began a volume at 20:09 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 13, 3:10 PM CDT | Hail 1 | Montgomery City, MO | 1 inch hail covered the ground in the northwest part of Montgomery City. |
| Apr 13, 3:20 PM CDT | Tornado F0 | Bellflower, MO | A sheriff deputy reported a brief tornado touchdown in open country near Bellflower. There was no damage. |
| Apr 13, 3:30 PM CDT | Hail 1.5 | Big Spg, MO | 1.5 inch hail was reported in Big Spring. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
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 13, 11:30 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 8.1 hours before the alert went out and 288 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
- 804 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 407 m²/s²
- 0-3 km storm-relative helicity
- 400 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 132005 RRA TORSTL MOC027-139-132045- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 305 PM CDT MON APR 13 1998 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 345 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL MISSOURI ...NORTHEASTERN CALLAWAY COUNTY...NORTHERN MONTGOMERY COUNTY AT 305 PM...DOPPLER RADAR INDICATED A TORNADO NEAR WILLIAMSBURG MOVING NORTHEAST 30 MPH. TOWNS IN THE PATH INCLUDE WILLIAMSBURG...MONTGOMERY CITY. IF YOU ARE IN THE PATH OF THIS STORM...TAKE COVER IN A BASEMENT OR INTERIOR ROOM ON THE LOWEST LEVEL.
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 10:41 AM CDT | Severe Thunderstorm Warning | LSX | Franklin | 49 min |
| Apr 13, 12:04 PM CDT | Severe Thunderstorm Warning | LSX | Saint Francois | 56 min |
| Apr 13, 12:10 PM CDT | Severe Thunderstorm Warning | LSX | Sainte Genevieve | 50 min |
| Apr 13, 1:42 PM CDT | Severe Thunderstorm Warning | LSX | Boone | 63 min |
| Apr 13, 1:56 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 49 min |
| Apr 13, 2:19 PM CDT | Severe Thunderstorm Warning | LSX | Callaway | 41 min |
| Apr 13, 2:48 PM CDT | Severe Thunderstorm Warning | LSX | Crawford | 42 min |
| Apr 13, 2:57 PM CDT | Severe Thunderstorm Warning | LSX | Callaway, Montgomery | 48 min |
| Apr 13, 3:09 PM CDT | Tornado Warning | LSX | Crawford | 51 min |
| Apr 13, 3:19 PM CDT | Severe Thunderstorm Warning | LSX | Warren | 41 min |
| Apr 13, 3:24 PM CDT | Tornado Warning | LSX | Washington | 51 min |
| Apr 13, 3:48 PM CDT | Severe Thunderstorm Warning | LSX | Crawford | 42 min |
| Apr 13, 3:52 PM CDT | Tornado Warning | LSX | Warren | 53 min |
| Apr 13, 4:11 PM CDT | Tornado Warning | LSX | Jefferson, Washington | 49 min |
| Apr 13, 4:16 PM CDT | Tornado Warning | LSX | Saint Charles | 44 min |
| Apr 13, 4:21 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln | 54 min |
| Apr 13, 4:40 PM CDT | Tornado Warning | LSX | Saint Charles | 65 min |
| Apr 13, 4:45 PM CDT | Tornado Warning | LSX | Sainte Genevieve, Saint Francois | 60 min |
| Apr 13, 4:54 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Washington | 66 min |
| Apr 13, 4:54 PM CDT | Severe Thunderstorm Warning | LSX | Reynolds | 66 min |
| Apr 13, 5:19 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 41 min |
| Apr 13, 5:36 PM CDT | Tornado Warning | LSX | Saint Louis | 54 min |
| Apr 13, 5:42 PM CDT | Tornado Warning | LSX | Sainte Genevieve | 63 min |
| Apr 13, 5:50 PM CDT | Tornado Warning | LSX | City of Saint Louis | 40 min |
| Apr 13, 5:56 PM CDT | Tornado Warning | LSX | Jefferson | 49 min |
| Apr 13, 6:19 PM CDT | Tornado Warning | LSX | Iron, Reynolds | 41 min |
| Apr 13, 6:32 PM CDT | Tornado Warning | LSX | Madison | 58 min |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.