Alert archive / Missouri / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 114, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at May 20, 1996, 10:39 AM CDT for Clark County, Missouri. It was in force for 51 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
- May 20, 1996, 10:39 AM CDT (15:39 UTC)
- Expired
- May 20, 1996, 11:30 AM CDT
- In force
- 51 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Clark County, MO
The radar
The Quad Cities radar (KDVN), 165 km from the middle of the area, began a volume at 15:43 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
Davenport, (KDVN), launched 12:00Z, 3.7 hours before the alert went out and 170 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
- 1737 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- -141 m²/s²
- 0-3 km storm-relative helicity
- -2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSTL 201543 SVRSTL MOC045-201630- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ST LOUIS MO 1039 AM CDT MON MAY 20 1996 THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1130 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST MISSOURI ...CLARK COUNTY AT 1040 AM...NWS DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM FROM NEAR LURAY TO FAIRMONT...MOVING EAST NORTHEAST AT 40 MPH. PEOPLE IN THE TOWNS OF PEAKSVILLE...FAIRMONT...KAHOKA...AND LURAY SHOULD BE PREPARED FOR DAMAGING WINDS TO 60 MPH AND HAIL UP TO 1 INCH. THIS IS A DANGEROUS STORM! BE PREPARED FOR DAMAGING WINDS...HAIL AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS. GLASS
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, May 20, 5:39 AM CDT, 5 hours before
ILZ058>060-064-065-069-070-074-079-095>102-MOZ009-010-018-019-026- 027-034>036-041-042-047>052-059>065-072>075-084-085-099-201230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 536 AM CDT MON MAY 20 1996 THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NWS OFFICE IN ST. LOUIS. AREAS INCLUDED ARE PARTS OF CENTRAL...NORTHEAST AND EAST CENTRAL MISSOURI...AND SOUTHWEST ILLINOIS. CITIES COVERED BY THIS OUTLOOK AREA INCLUDE IN MISSOURI...COLUMBIA ...JEFFERSON CITY...MEXICO...HANNIBAL...ST. LOUIS...AND FARMINGTON. IN ILLINOIS...QUINCY...CARLINVILLE...BELLEVILLE...CHESTER... GREENVILLE AND SALEM. THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS OVER NORTHEAST MISSOURI...MAINLY NORTH OF THE LINE FROM COLUMBIA TO 60 MILES NORTHEAST OF ST. LOUIS AND OVER PARTS OF NORTHEAST...CENTRAL AND EAST CENTRAL MISSOURI THIS EVENING. STORM SPOTTER GROUPS AND EMERGENCY MANAGERS SHOULD KEEP ADVISED OF THE LATEST FORECAST FOR POSSIBLE SKYWARN ACTION TONIGHT. RP
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.