Alert archive / Missouri / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 178, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 12, 1996, 3:46 PM CDT for Saint Charles County, Missouri. It was in force for 44 min. 8 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
- Jun 12, 1996, 3:46 PM CDT (20:46 UTC)
- Expired
- Jun 12, 1996, 4:30 PM CDT
- In force
- 44 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 20:49 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 |
|---|---|---|---|
| Jun 12, 4:15 PM CDT | Hail 1.75 | O Fallon, MO | |
| Jun 12, 4:22 PM CDT | Hail 1.75 | O Fallon, MO | |
| Jun 12, 4:22 PM CDT | Thunderstorm Wind 52 | Weldon Spg, MO | |
| Jun 12, 4:23 PM CDT | Hail 0.75 | St Peters, MO | |
| Jun 12, 4:29 PM CDT | Hail 0.75 | Cottleville, MO | |
| Jun 12, 4:30 PM CDT | Thunderstorm Wind 51 | Weldon Spg, MO | |
| Jun 12, 4:30 PM CDT | Hail 0.75 | Weldon Spg, MO | |
| Jun 12, 4:35 PM CDT | Hail 0.75 | St Peters, 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, 8.8 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
- 7 J/kg
- Mixed-layer CIN
- -85 J/kg
- Mixed-layer LCL
- 912 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- -2 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 122049 SVRSTL MOC183-122130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 346 PM CDT WED JUN 12 1996 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 430 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL MISSOURI ...NORTHERN ST. CHARLES COUNTY AT 344 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM JUST NORTHWEST OF OLD MONROE MOVING SOUTH SOUTHEAST AT 20 MPH. THIS STORM HAS PRODUCED 1 INCH HAIL IN LINCOLN COUNTY. THIS STORM WILL MOVE THROUGH THE TOWNS OF ST. PAUL AND O'FALLON MISSOURI BETWEEN 350 AND 405 PM CDT. THIS IS A DANGEROUS STORM! BE PREPARED FO"R DAMAGING WINDS...HAIL AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS. RP &
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 3:15 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln | 45 min |
| Jun 12, 4:11 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles | 49 min |
| Jun 12, 4:26 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis | 49 min |
| Jun 12, 6:19 PM CDT | Severe Thunderstorm Warning | LSX | Sainte Genevieve | 41 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.