Alert archive / Missouri / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 49, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 19, 1996, 8:57 PM CDT for Madison County, Sainte Genevieve County, Saint Francois County, Missouri. It was in force for 48 min. 1 report 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 19, 1996, 8:57 PM CDT (01:57 UTC)
- Expired
- Apr 19, 1996, 9:45 PM CDT
- In force
- 48 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Madison County, MO, Saint Francois County, MO, Sainte Genevieve County, MO
The radar
The St Louis radar (KLSX), 112 km from the middle of the area, began a volume at 02:00 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 19, 9:10 PM CDT | Tornado F0 | Fredricktown Muni Ar, MO |
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 nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 2.0 hours before the alert went out and 308 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
- 1505 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 765 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 213 m²/s²
- 0-3 km storm-relative helicity
- 268 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 11.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 200159 SVRSTL MOC187-186-123-200245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 857 PM CDT FRI APR 19 1996 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 945 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL MISSOURI ...SOUTHEASTERN ST. FRANCOIS COUNTY ...SOUTHERN ST. GENEVIEVE COUNTY AT 900 PM...THE ST LOUIS RADAR INDICATED A SEVERE THUNDERSTORM IN 5 MILES SOUTHEAST OF ROSELLE IN THE NORTHERN PORTION OF ST FRANCIS COUNTY... THIS STORM WAS MOVING TO THE NORTHEAST AT 40 MPH. THE CITY IN THE PATH OF THIS STORM ARE FREDERICKTOWN AND COFFMAN. THIS IS A DANGEROUS STORM! BE PREPARED FOR DAMAGING WINDS...HAIL AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS. REMEMBER...A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. IF OUTDOORS...SEEK INSIDE SHELTER IMMEDIATELY. STAY AWAY FROM WINDOWS. VA
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 19, 3:56 PM CDT, 5 hours 1 minute before
ILZ058>060-064-065-069-070-074-095>102-MOZ009-010-018-019-026-027- 034>036-041-042-048>052-059>065-200400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 400 PM CDT FRI APR 19 1996 ...A TORNADO WATCH HAS BEEN ISSUED FOR NORTHEAST AND EAST CENTRAL MISSOURI... STRONG TO SEVERE THUNDERSTORMS WILL DEVELOP ACROSS PORTIONS OF EASTERN MISSOURI DURING THE LATE AFTERNOON AND EVENING HOURS. A TORNADO WATCH WILL BE IN EFFECT UNTIL 1100 PM CDT FOR THE NORTHEAST AND EAST CENTRAL PORTION. THE WATCH INCLUDES THE ST LOUIS METROPOLITAN AREA... COLUMBIA...JEFFERSON CITY...MEXICO...AND THE HANNIBAL...QUINCY AREA. PLEASE STAY TUNED TO NOAA WEATHER RADIO AND COMMERCIAL RADIO AND TV STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.
Special weather statement, Apr 19, 6:25 PM CDT, 2 hours 32 minutes before
ILZ098-MOZ036-052-060-061-200215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 625 PM CDT FRI APR 19 1996 ...TORNADO WATCH IS CANCELLED FOR A PORTION OF EAST CENTRAL MISSOURI... THE6 TORNADO WATCH HAS BEEN CANCELLED FOR PIKE COUNTY MISSOURI ALONG WITH LINCOLN...WARREN...AND ST CHARLES COUNTIES. THE THREAT OF SEVERE WEATHER HAS MOVED TO THE EAST OF THE AREA.
Special weather statement, Apr 19, 8:02 PM CDT, 55 minutes before
ILZ099-100-MOZ062>064-200400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 800 PM CDT FRI APR 19 1996 ...TORNADO WATCH IS CANCELLED FOR A PORTION OF EAST CENTRAL MISSOURI... THE TORNADO WATCH HAS BEEN CANCELLED FOR MADISON AND JERSEY COUNTIES IN ILLINOIS AND ST LOUIS AND FRANKLIN COUNTIES IN MISSOURI ALONG WITH ST LOUIS CITY. THE THREAT OF SEVERE WEATHER HAS MOVED TO THE EAST OF THE AREA.
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 7:03 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 42 min |
| Apr 19, 7:04 PM CDT | Tornado Warning | LSX | Iron, Saint Francois | 56 min |
| Apr 19, 7:26 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Washington | 49 min |
| Apr 19, 7:40 PM CDT | Severe Thunderstorm Warning | LSX | Reynolds | 50 min |
| Apr 19, 7:43 PM CDT | Tornado Warning | LSX | Sainte Genevieve | 47 min |
| Apr 19, 7:55 PM CDT | Tornado Warning | LSX | Sainte Genevieve, Saint Francois | 50 min |
| Apr 19, 8:11 PM CDT | Severe Thunderstorm Warning | LSX | Iron | 49 min |
| Apr 19, 8:28 PM CDT | Tornado Warning | LSX | Iron, Reynolds | 47 min |
| Apr 19, 8:38 PM CDT | Tornado Warning | LSX | Madison | 52 min |
| Apr 19, 8:45 PM CDT | Flash Flood Warning | LSX | Iron | 3 hr |
| Apr 19, 9:03 PM CDT | Flash Flood Warning | LSX | Madison, Saint Francois | 3 hr |
| Apr 19, 9:03 PM CDT | Tornado Warning | LSX | Reynolds | 42 min |
| Apr 19, 9:17 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Reynolds | 43 min |
| Apr 19, 9:48 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 42 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1996Every severe thunderstorm warning in 1996
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.