Alert archive / Missouri / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 217, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Aug 4, 1996, 5:44 PM CDT for Washington County, Missouri. It was in force for 61 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, 5:44 PM CDT (22:44 UTC)
- Expired
- Aug 4, 1996, 6:45 PM CDT
- In force
- 61 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Washington County, MO
The radar
The St Louis radar (KLSX), 84 km from the middle of the area, began a volume at 22:46 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
Springfield, MO (KSGF), launched 12:00Z, 10.7 hours before the alert went out and 284 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
- 340 J/kg
- Mixed-layer CIN
- -214 J/kg
- Mixed-layer LCL
- 1160 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 193 m²/s²
- 0-3 km storm-relative helicity
- 302 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 042253 SVRSTL MOC221-042345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 544 PM CDT SUN AUG 4 1996 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL MISSOURI ...SOUTHERN WASHINGTON COUNTY AT 550 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES NORTHWEST OF POTOSI MISSOURI IN WASHINGTON COUNTY. THIS STORM WAS MOVING TO THE SOUTH SOUTHEAST AROUND 25 MPH AND WILL MOVE THROUGH THE POTOSI AREA BY 6 PM AND THE CALEDONIA AREA BY 630 PM. HEAVY RAIN...STRONG AND GUSTY DAMANGING WINDS AND NUMEROUS LIGHTNING STRIKES WILL ACCOMPANY THIS STORM. THIS STORM HAS A HISTORY OF DAMAGING WINDS. SEEK INSIDE SHELTER NOW! WORK
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, 2 hours 25 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, 5:00 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Washington | 60 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.