Alert archive / Missouri / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 244, NWS St. Louis, MO

December 23, 1996Montgomery County, Warren County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Dec 23, 1996, 10:59 AM CST for Montgomery County, Warren County, Missouri. It was in force for 61 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
Dec 23, 1996, 10:59 AM CST (16:59 UTC)
Expired
Dec 23, 1996, 12:00 PM CST
In force
61 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Montgomery County, MO, Warren County, MO

The radar

The St Louis radar (KLSX), 57 km from the middle of the area, began a volume at 17:00 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

TimeReportWhereRemark
Dec 23, 11:05 AM CSTHail 0.75Jonesburg, 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, 5.0 hours before the alert went out and 274 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.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 1996-12-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 70 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 1996-12-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
70 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
518 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
151 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSTL 231659 RRA
SVRSTL
MOC139-219-231800-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1059 AM CST MON DEC 23 1996
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL NOON CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL MISSOURI
 
   ...MONTGOMERY COUNTY
 
IN EAST CENTRAL MISSOURI
 
   ...NORTHERN WARREN COUNTY
 
AT 1055 AM CST NWS DOPPLER RADAR INDICATED A SEVERE STORM NEAR
MONTGOMERY CITY AND NEAR HIGH HILL IN EAST CENTRAL MONTGOMERY COUNTY.
THESE STORMS ARE MOVING TO THE NORTHEAST AT 45 MPH.
 
COMMUNITIES IN THE PATH OF THIS STORM INCIUDE HIGH HILL...AND MONTGOMERY
CITY...ALSO INTERSTATE 70 ALONG AND EAST OF MONTGOMERY CITY.
 
JP/RP
 
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, Dec 23, 10:33 AM CST, 26 minutes before
ILZ064-065-069-070-074-079-100>102-MOZ061>065-072>075-084-085-099-
240230-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
1033 AM CST MON DEC 23 1996

THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NWS OFFICE IN ST
LOUIS. AREAS INCLUDED ARE PORTIONS OF EAST CENTRAL AND SOUTHEAST
MISSOURI AS WELL AS SOUTHWEST ILLINOIS.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER THE SOUTHEAST
HALF OF THE FORECAST AREA...EAST OF A LINE FROM ROLLA TO 25 MILES
NORTHWEST OF ST LOUIS TO 75 MILES NORTHEAST OF ST LOUIS. THE
GREATEST THREAT OF SEVERE WEATHER WILL BE DURING THE AFTERNOON AND
EARLY EVENING HOURS.

STORM SPOTTER GROUPS AND EMERGENCY MANAGERS SHOULD KEEP ADVISED
OF THE LATEST FORECASTS AND POSSIBLE SKYWARN ACTION.

PEDIGO
Special weather statement, Dec 23, 10:40 AM CST, 19 minutes before
ILZ064-065-069-070-074-079-100>102-MOZ061>065-072>075-084-085-099-
240230-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
1033 AM CST MON DEC 23 1996

THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NWS OFFICE IN ST
LOUIS. AREAS INCLUDED ARE PORTIONS OF EAST CENTRAL AND SOUTHEAST
MISSOURI AS WELL AS SOUTHWEST ILLINOIS.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER THE SOUTHEAST
HALF OF THE FORECAST AREA...EAST OF A LINE FROM ROLLA TO 25 MILES
NORTHWEST OF ST LOUIS TO 75 MILES NORTHEAST OF ST LOUIS. THE
GREATEST THREAT OF SEVERE WEATHER WILL BE DURING THE AFTERNOON AND
EARLY EVENING HOURS.

STORM SPOTTER GROUPS AND EMERGENCY MANAGERS SHOULD KEEP ADVISED
OF THE LATEST FORECASTS AND POSSIBLE SKYWARN ACTION.

PEDIGO

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 23, 10:27 AM CSTTornado WarningLSXCrawford, Washington63 min
Dec 23, 11:03 AM CSTSevere Thunderstorm WarningLSXLincoln42 min
Dec 23, 11:19 AM CSTSevere Thunderstorm WarningLSXJefferson41 min
Dec 23, 11:43 AM CSTSevere Thunderstorm WarningLSXLincoln62 min
Dec 23, 12:10 PM CSTSevere Thunderstorm WarningLSXFranklin65 min
Dec 23, 1:40 PM CSTTornado WarningLSXIron, Washington35 min
Dec 23, 2:15 PM CSTTornado WarningLSXSaint Francois, Washington30 min
Dec 23, 2:38 PM CSTTornado WarningLSXSainte Genevieve37 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.