Alert archive / Missouri / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 141, NWS St. Louis, MO

May 27, 1996Audrain County, Ralls County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at May 27, 1996, 1:46 AM CDT for Audrain County, Ralls County, Missouri. It was in force for 29 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 27, 1996, 1:46 AM CDT (06:46 UTC)
Expired
May 27, 1996, 2:15 AM CDT
In force
29 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Audrain County, MO, Ralls County, MO

The radar

The St Louis radar (KLSX), 114 km from the middle of the area, began a volume at 06:48 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 27, 2:00 AM CDTThunderstorm Wind 58Mexico, 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

Davenport, (KDVN), launched 00:00Z, 6.8 hours before the alert went out and 269 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, Davenport, at 00:00Z on 1996-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Davenport, at 00:00Z on 1996-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
632 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
373 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 270647
SVRSTL
MOC007-173-270715-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
146 AM CDT MON MAY 27 1996
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  215 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL MISSOURI
 
   ...EASTERN AUDRAIN COUNTY
 
IN NORTHEAST MISSOURI
 
   ...RALLS COUNTY
 
AT 145 AM...WEATHER SERVICE RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS FROM SOUTHWEST OF HANNIBAL TO JUST EAST OF MEXICO MOVING
EAST AT 35 MPH. TOWNS IN THE PARTH OF THESE STORMS ARE
VANDALIA...CENTER...NEW LONDON AND SAVERTON.
 
 
 
THIS IS A DANGEROUS STORM! BE PREPARED FOR DAMAGING WINDS...HAIL
AND DEADLY LIGHTNING. STAY INSIDE AND AWAY FROM WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 12:31 AM CDTSevere Thunderstorm WarningLSXMoniteau44 min
May 27, 12:41 AM CDTSevere Thunderstorm WarningLSXBoone64 min
May 27, 12:53 AM CDTTornado WarningLSXBoone52 min
May 27, 12:59 AM CDTSevere Thunderstorm WarningLSXAudrain, Monroe46 min
May 27, 1:15 AM CDTSevere Thunderstorm WarningLSXCallaway30 min
May 27, 1:41 AM CDTTornado WarningLSXCallaway34 min
May 27, 1:58 AM CDTSevere Thunderstorm WarningLSXMontgomery32 min
May 27, 2:07 AM CDTSevere Thunderstorm WarningLSXPike53 min
May 27, 2:44 AM CDTSevere Thunderstorm WarningLSXLincoln46 min
May 27, 4:39 AM CDTSevere Thunderstorm WarningLSXJefferson51 min
May 27, 5:45 PM CDTSevere Thunderstorm WarningLSXCrawford45 min
May 27, 6:17 PM CDTSevere Thunderstorm WarningLSXKnox43 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.