Alert archive / Missouri / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 216, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Aug 4, 1996, 5:00 PM CDT for Jefferson County, Washington County, Missouri. It was in force for 60 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
- Aug 4, 1996, 5:00 PM CDT (22:00 UTC)
- Expired
- Aug 4, 1996, 6:00 PM CDT
- In force
- 60 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
Counties Jefferson County, MO, Washington County, MO
The radar
The St Louis radar (KLSX), 65 km from the middle of the area, began a volume at 21:59 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, 10.0 hours before the alert went out and 291 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
- 143 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 813 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 042205 SVRSTL MOC099-221-042300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 500 PM CDT SUN AUG 4 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 ...SOUTHWESTERN JEFFERSON COUNTY...NORTHERN WASHINGTON COUNTY AT 500 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN AREA OF SEVERE THUNDERSTORMS ACROSS SOUTHEASTERN FRANKLIN COUNTY MOVING INTO THE SOUTHWESTERN PORTION OF JEFFERSON COUNTY AND THE NORTHERN PORTION OF WASHINGTON COUNTY. THE STORMS WILL MOVE OVER THE TOWNS OF RICHWOODS AND OLD MINES BETWEEN 510 AND 525 PM THIS EVENING. THESE STORMS HAVE A HISTORY OF STRONG AND GUSTY DAMANGING WINDS...SMALL HAIL AND FREQUENT LIGHTNING STRIKES IN ADDITION TO HEAVY RAIN. THIS STORM HAS A HISTORY OF DAMAGING WINDS. SEEK INSIDE SHELTER NOW!~ &
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, Aug 4, 3:19 PM CDT, 1 hour 41 minutes before
MOZ060-042115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 309 PM CDT SUN AUG 4 1996 ...STRONG THUNDERTORMS MOVING INTO WARREN COUTNY... AT 310 PM...RADAR INDICATED STRONG THUNDERSTORMS MOVING THROUGH WARREN COUNTY. THESE STORMS WERE MOVING TO THE SOUTHEAST AT 30 MPH. AN AREA OF HEAVY RAIN EXTENDED FROM WRIGHT CITY SOUTH TO WARRENTON AND SOUTH TO NEW HAVEN. THESE STORMS WILL CONTAIN GUSTY WINDS...SMALL HAIL...AND DANGEROUS LIGHTNING. SEEK SHELTER IF NECESSARY. ALBERS
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 1:14 PM CDT | Severe Thunderstorm Warning | LSX | Ralls | 31 min |
| Aug 4, 1:45 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 45 min |
| Aug 4, 2:31 PM CDT | Severe Thunderstorm Warning | LSX | Lincoln | 59 min |
| Aug 4, 4:12 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 63 min |
| Aug 4, 5:44 PM CDT | Severe Thunderstorm Warning | LSX | Washington | 61 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.