Alert archive / Missouri / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 63, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Apr 28, 1996, 5:32 PM CDT for Jefferson County, Saint Louis County, Missouri. It was in force for 28 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 28, 1996, 5:32 PM CDT (22:32 UTC)
- Expired
- Apr 28, 1996, 6:00 PM CDT
- In force
- 28 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Jefferson County, MO, Saint Louis County, MO
The radar
The St Louis radar (KLSX), 32 km from the middle of the area, began a volume at 22:36 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 28, 5:55 PM CDT | Hail 1.75 | Dittmer, 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, 10.5 hours before the alert went out and 249 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
- 898 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 56 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 282233 SVRSTL MOC099-189-510-282300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 532 PM CDT SUN APR 28 1996 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL MISSOURI ...NORTHERN JEFFERSON COUNTY...ST. LOUIS COUNTY AND THE INDEPENDENT CITY OF ...ST. LOUIS CITY AT 530 PM WEATHER RADAR INDICATED A SEVERE THUNDERSTORM IN EASTERN FRANKLIN COUNTY FROM THE TOWNS OF WASHINGTON TO ST CLAIR. THIS STORM IS MOVING NORTHEAST 50 MPH AND WILL BE AFFECTING THE TOWNS OF CHESTERFIELD...EUREKA...AND HOUSE SPRINGS BY 545 PM. EXPECT ONE INCH HAIL WITH THIS STORM. THIS IS A DANGEROUS STORM! BE PREPARED FOR DAMAGING WINDS...HAIL AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS. WDB
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 4:40 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis, City of Saint Louis | 50 min |
| Apr 28, 5:13 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 32 min |
| Apr 28, 5:32 PM CDT | Severe Thunderstorm Warning | LSX | City of Saint Louis | 28 min |
| Apr 28, 5:50 PM CDT | Flash Flood Warning | LSX | Gasconade | 5 hr |
| Apr 28, 5:50 PM CDT | Flash Flood Warning | LSX | Franklin, Jefferson, Saint Louis | 5 hr |
| Apr 28, 5:50 PM CDT | Flash Flood Warning | LSX | Saint Charles | 5 hr |
| Apr 28, 5:50 PM CDT | Flash Flood Warning | LSX | City of Saint Louis | 5 hr |
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.