Alert archive / Missouri / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 97, NWS St. Louis, MO

May 5, 1996Reynolds County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at May 5, 1996, 11:59 AM CDT for Reynolds 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
May 5, 1996, 11:59 AM CDT (16:59 UTC)
Expired
May 5, 1996, 1:00 PM CDT
In force
61 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Reynolds County, MO

The radar

The St Louis radar (KLSX), 151 km from the middle of the area, began a volume at 17:03 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
May 5, 12:20 PM CDTThunderstorm Wind 51Centerville, 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

Springfield, MO (KSGF), launched 12:00Z, 5.0 hours before the alert went out and 256 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, Springfield, MO at 12:00Z on 1996-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1814 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, Springfield, MO at 12:00Z on 1996-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 155 square meters per square second.19395878Sfc1 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
1814 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
803 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
155 m²/s²
0-3 km storm-relative helicity
137 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 051703
SVRSTL
MOC221-093-179-051800-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1159 AM CDT SUN MAY 5 1996
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  100 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL MISSOURI
 
   ...WASHINGTON COUNTY
 
IN SOUTHEAST MISSOURI
 
   ...IRON COUNTY...REYNOLDS COUNTY
 
AT RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS EXTENDING FROM JUST
WEST OF STEELVILLE...TO JUST EAST OF SALEM...JUST NORTH OF ROUND SPRING.
THE LINE WAS MOVING EAST AT 40 TO 45 MPH.
 
TOWNS IN THE PATH INCLUDE COURTOIS...POTOSI...VIBURNUM...BELLEVIEW...
IRONTO8N...OATES...JOHNSONS SHUT-IN STATE PARK...AND CENTERVILLE.
 
THIS LINE OF STORMS HAS A HISTORY OF DAMAGING WINDS UP TO 90 MPH.
 
JPK

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 5, 6:18 AM CDT, 5 hours 41 minutes before
MOZ042-041-050-010-048-072-062-059-084-018-019-052-085-027-047-
051-034-049-036-035-099-061-075-074-063-064-009-026-060-073-ILZ095-
064-096-098-069-065-058-099-059-100-070-102-060-097-079-101-074-
MOZ065-051700-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
600 AM CDT SUN MAY 5 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 CHANCE FOR SEVERE THUNDRSTORMS TODAY OVER MUCH
CENTRAL AND SOUTHEAST MISSOURI AND SOUTHWEST ILLINOIS. THE AREA OF
PRIMARY CONCERN EXTENDS SOUTH OF A COLUMBIA TO ST. LOUIS TO
EFFINGHAM LINE. THE STORMS ARE EXPECTED TO DEVELOP MAINLY FROM LATE
MORNING TO EARLY AFTERNOON.

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

JPK

The office that day

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

IssuedProductOfficeCountiesLasted
May 5, 8:22 AM CDTSevere Thunderstorm WarningLSXMoniteau68 min
May 5, 8:52 AM CDTSevere Thunderstorm WarningLSXCole53 min
May 5, 11:41 AM CDTSevere Thunderstorm WarningLSXCrawford49 min
May 5, 11:59 AM CDTSevere Thunderstorm WarningLSXIron, Washington61 min
May 5, 12:39 PM CDTSevere Thunderstorm WarningLSXSaint Francois51 min
May 5, 12:52 PM CDTSevere Thunderstorm WarningLSXMadison38 min
May 5, 2:43 PM CDTFlash Flood WarningLSXSainte Genevieve3 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.