Alert archive / Missouri / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 38, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 13, 1998, 12:10 PM CDT for Sainte Genevieve County, Missouri. 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
- Apr 13, 1998, 12:10 PM CDT (17:10 UTC)
- Expired
- Apr 13, 1998, 1:00 PM CDT
- In force
- 50 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Sainte Genevieve County, MO
The radar
The St Louis radar (KLSX), 99 km from the middle of the area, began a volume at 17:12 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 nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 5.2 hours before the alert went out and 286 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
- 1703 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 337 m²/s²
- 0-3 km storm-relative helicity
- 313 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 131710 RRA SVRSTL MOC186-131800- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1210 PM CDT MON APR 13 1998 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 100 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL MISSOURI ...WESTERN STE. GENEVIEVE COUNTY AT 1210 PM...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM JUST EAST OF FLAT RIVER MOVING TO THE NORTHEAST AT 45 MPH AND WILL MOVE INTO THE WEST PORTION OF STE GENNEVIEVE COUNTY. CITIES IN THE PATH ARE BLOOMSDALE AND WEINGARDEN. HEAVY RAIN AND LARGE HAIL CAN BE EXPECTED WITH THIS STORM. THIS STORM HAS A HISTORY OF DAMAGING HAIL. STAY INSIDE AND AWAY FROM WINDOWS.
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.
In the hours before
Special weather statement, Apr 13, 10:40 AM CDT, 1 hour 30 minutes before
ILZ058>060-064-065-069-070-074-079-095>102-MOZ009-010-018-019-026- 027-034>036-041-042-047>052-059>065-072>075-084-085-099-132145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1040 AM CDT MON APR 13 1998 THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN ST LOUIS. AREAS INCLUDED ARE PORTIONS OF NORTHEAST...CENTRAL...EAST CENTRAL AND SOUTHEAST MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWEST ILLINOIS. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING ACROSS THE REGION AS A STRONG UPPER LEVEL DISTURBANCE MOVES ACROSS MISSOURI. STORM SPOTTER ACTIVATION MAY BE REQUIRED LATER TODAY ACROSS PORTIONS OF EAST M4ISSOURI. BECHTOLD
Special weather statement, Apr 13, 10:40 AM CDT, 1 hour 30 minutes before
ILZ058>060-064-065-069-070-074-079-095>102-MOZ009-010-018-019-026- 027-034>036-041-042-047>052-059>065-072>075-084-085-099-132145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 1040 AM CDT MON APR 13 1998 THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN ST LOUIS. AREAS INCLUDED ARE PORTIONS OF NORTHEAST...CENTRAL...EAST CENTRAL AND SOUTHEAST MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWEST ILLINOIS. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING ACROSS THE REGION AS A STRONG UPPER LEVEL DISTURBANCE MOVES ACROSS MISSOURI. STORM SPOTTER ACTIVATION MAY BE REQUIRED LATER TODAY ACROSS PORTIONS OF EAST M4ISSOURI. BECHTOLD
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, 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, 3:05 PM CDT | Tornado Warning | LSX | Callaway, Montgomery | 40 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
Severe Thunderstorm Warnings in Missouri, 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; radar from the NEXRAD Level II archive.