Alert archive / Missouri / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 78, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 3, 1996, 4:23 PM CDT for Saint Charles County, Missouri. It was in force for 22 min. 2 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
- May 3, 1996, 4:23 PM CDT (21:23 UTC)
- Expired
- May 3, 1996, 4:45 PM CDT
- In force
- 22 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Saint Charles County, MO
The radar
The St Louis radar (KLSX), 9 km from the middle of the area, began a volume at 21:24 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 |
|---|---|---|---|
| May 3, 4:35 PM CDT | Hail 1.75 | Orchard Farm, MO | |
| May 3, 4:45 PM CDT | Hail 0.75 | Portage Des Sioux, 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 12:00Z, 9.4 hours before the alert went out and 234 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
- 1179 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 175 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 032125 SVRSTL MOC183-032145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 423 PM CDT FRI MAY 3 1996 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 445 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL MISSOURI ...NORTHERN ST. CHARLES COUNTY ...AT 422 PM RADAR INDICATED THE LINE OF SEVERE STORMS ACROSS CALHOUN COUNTY ILLINOIS HAS DEVELOPED FURTHER SOUTH INTO NORTH ST. CHARLES COUNTY. MOVEMENT WAS EAST AT 40 MPH. AREAS AFFECTED WILL GENERALLY BE NORTH OF INTERSTATE 70...INCLUDING PORTAGE DES SIOUX. THIS IS A DANGEROUS STORM! BE PREPARED FOR DAMAGING WINDS...HAdIL AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS. JPK
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 9:01 PM CDT | Severe Thunderstorm Warning | LSX | Reynolds | 44 min |
| May 2, 10:27 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson | 33 min |
| May 2, 11:09 PM CDT | Severe Thunderstorm Warning | LSX | Sainte Genevieve | 36 min |
| May 3, 1:06 AM CDT | Severe Thunderstorm Warning | LSX | Reynolds | 54 min |
| May 3, 4:11 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln | 34 min |
| May 3, 4:42 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles | 48 min |
| May 3, 4:55 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis | 20 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.