Alert archive / Missouri / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 57, NWS St. Louis, MO

May 24, 1994Clark County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at May 24, 1994, 5:23 PM CDT for Clark County, Missouri. It was in force for 37 min.

The area

The counties it named.

The facts

Issued
May 24, 1994, 5:23 PM CDT (22:23 UTC)
Expired
May 24, 1994, 6:00 PM CDT
In force
37 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Clark County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 10.4 hours before the alert went out and 369 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, Topeka, KS at 12:00Z on 1994-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 545 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, Topeka, KS at 12:00Z on 1994-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.1939Sfc1 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
545 J/kg
Mixed-layer CIN
-206 J/kg
Mixed-layer LCL
1285 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
19 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 242226
SVRSTL
MOC045-242300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
523 PM CDT TUE MAY 24 1994
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST MISSOURI
 
   ...EASTERN CLARK COUNTY
 
AT 525 PM...WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM OVER
EASTERN CLARK COUNTY...JUST WEST OF ALEXANDRIA.
 
THE STORM WAS MOVING EAST AT 30 MILES AN HOUR...AND WILL BE AFFECTING
THE CITIES OF ALEXANDRIA AND ST PATRICK.  LARGE HAIL IS EXPECTED WITH
THE STORM.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
 
4

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 24, 2:28 PM CDT, 2 hours 55 minutes before
MOZ041-242025-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MISSOURI
224 PM CDT TUE MAY 24 1994

...A STRONG THUNDERSTORM IS IN NORTHERN BOONE COUNTY...

AT 222 PM CDT WEATHER RADAR SHOWED A THUNDERSTORM WITH BRIEF VERY HEAVY
RAIN 15 MILES NORTH OF COLUMBIA...OR JUST NORTHEAST OF HARRISBURG.
WINDS TO 35 MPH AND SMALL HAIL ARE POSSIBLE WITH THIS STORM.

MOVEMENT WAS TO THE SOUTHEAST AT 20 MPH.

HALLSVILLE AND MURRY ARE IN THE PATH OF THIS STORM.  THE THUNDERSTORM
MAY ALSO CLIP THE NORTHEAST SIDE OF THE CITY OF COLUMBIA.

AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING
SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY.
TUNE IN NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR
THE LATEST WEATHER INFORMATION.

REAUGH
Special weather statement, May 24, 4:19 PM CDT, 1 hour 4 minutes before
MOZ024-025-032-033-039>042-050-051-242220-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MISSOURI
415 PM CDT TUE MAY 24 1994

...INTENSE THUNDERSTORMS DEVELOPING IN NORTH SECTIONS OF CENTRAL
MISSOURI...

AT 410 PM A COUPLE OF INTENSE THUNDERSTORMS WERE DEVELOPING.
ONE THUNDERSTORM WAS 40 MILES NORTH OF SDEDALIA NEAR SLATER
WHILE THE SECOND WAS 30 MILES SOUTHWEST OF KIRKSVILLE NEAR BUCKLIN AND
LACLEDE. PEA SIZED HAIL WAS REPORTED WITH ONE THUNDERSTORM AT
BROOKFIELD AT 410 PM. THE THUNDERSTORMS WERE MOVING TO THE EAST AT 15
MILES AN HOUR...AND WILL PRODUCE STRONG GUSTY WINDS...HAIL...
AND DEADLY LIGHTNING.

THESE THUNDERSTORMS WILL AFFECT THE COMMUNITIES OF NEW CAMBRIA
BRUNSW|ICK AND SALISBURY BETWEEN 420 PM AND 500 PM.

IF YOU PLAN TO BE OUTDOORS THIS EVENING...CHECK THE LATEST WEATHER
INFORMATION AND KEEP A WEATHER EYE ON THE SKY.
LA GREE
Special weather statement, May 24, 5:06 PM CDT, 17 minutes before
MOZALL-242300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
502 PM CDT TUE MAY 24 1994

...SEVERE THUNDERSTORM WATCH FOR NORTHERN AND CENTRAL MISSOURI...AND
WEST CENTRAL ILLINOIS...UNTIL 11 PM...

SINCE 4 PM...THUNDERSTORMS HAVE BEEN DEVELOPING FROM NORTHERN MISSOURI
INTO CENTRAL ILLINOIS.  THIS DEVELOPMENT WILL CONTINUE THROUGHOUT THE
EVENING...AND A FEW OF THESE STORMS HAVE THE POTENTIAL OF PRODUCING
DAMAGING WINDS...LARGE HAIL...AND VERY HEAVY RAINS.

PEOPLE THROUGHOUT NORTHERN AND CENTRAL MISSOURI AND WEST CENTRAL
ILLINOIS...INCLUDING THE TOWNS OF KIRKSVILLE...HANNIBAL...AND QUINCY
ILLLINOIS...SHOULD MONITOR WEATHER DEVELOPMENTS THROUGHOUT THE EVENING.
BE READY TO MOVE TO A PLACE OF SAFETY IF DANGEROUS WEATHER
THREATENS...OR IF A WARNING IS ISSUED FOR YOUR AREA.

TRUETT
Special weather statement, May 24, 5:17 PM CDT, 6 minutes before
MOZ017-010-018-019-027-034-035-008-009-026-ILZ095-096-097-242315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
517 PM CDT TUE MAY 24 1994

...STRONG THUNDERSTORMS OVER NORTHEAST MISSOURI AND WEST CENTRAL
ILLINOIS...

AT 515 PM...WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS...WITH
HEAVY RAIN AND SMALL HAIL...SCATTERED FROM NEAR KEOKUK IOWA TO THE
CITIES OF MACON AND MOBERLY IN MISSOURI.

THESE STORMS ARE MOVING EAST AT 30 MILES AN HOUR...AND WILL CONTINUE TO
SPREAD ACROSS NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS DURING THE
NEXT FEW HOURS.  SINCE THERE IS THE POTENTIAL FOR THESE STORMS TO
STRENGTHEN...LARGE HAIL AND DAMAGING WINDS MAY DEVELOP IN THE STRONGER
STORMS.  PEOPLE IN THE PATH OF THESE STORMS SHOULD CONTINUE TO MONITOR
WEATHER DEVELOPMENTS...AND BE READY TO MOVE TO A PLACE OF SAFETY IF
NECESSARY.

SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHEAST MISSOURI AND WEST
CENTRAL ILLINOIS UNTIL 11 PM.

TRUETT
Special weather statement, May 24, 5:21 PM CDT, 2 minutes before
MOZ017-010-018-019-027-034-035-008-009-026-ILZ095-096-097-242315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
517 PM CDT TUE MAY 24 1994

...STRONG THUNDERSTORMS OVER NORTHEAST MISSOURI AND WEST CENTRAL
ILLINOIS...

AT 515 PM...WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS...WITH
HEAVY RAIN AND SMALL HAIL...SCATTERED FROM NEAR KEOKUK IOWA TO THE
CITIES OF MACON AND MOBERLY IN MISSOURI.

THESE STORMS ARE MOVING EAST AT 30 MILES AN HOUR...AND WILL CONTINUE TO
SPREAD ACROSS NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS DURING THE
NEXT FEW HOURS.  SINCE THERE IS THE POTENTIAL FOR THESE STORMS TO
STRENGTHEN...LARGE HAIL AND DAMAGING WINDS MAY DEVELOP IN THE STRONGER
STORMS.  PEOPLE IN THE PATH OF THESE STORMS SHOULD CONTINUE TO MONITOR
WEATHER DEVELOPMENTS...AND BE READY TO MOVE TO A PLACE OF SAFETY IF
NECESSARY.

SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHEAST MISSOURI AND WEST
CENTRAL ILLINOIS UNTI"L 11 PM.

TRUETT

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 6:25 PM CDTSevere Thunderstorm WarningLSXKnox, Lewis65 min
May 24, 6:25 PM CDTSevere Thunderstorm WarningLSXClark40 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1994Every severe thunderstorm warning in 1994

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.