Alert archive / Missouri / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 84, NWS St. Louis, MO

June 25, 1994Monroe County, Shelby County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 25, 1994, 8:10 PM CDT for Monroe County, Shelby County, Missouri. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Jun 25, 1994, 8:10 PM CDT (01:10 UTC)
Expired
Jun 25, 1994, 9:15 PM CDT
In force
65 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Monroe County, MO, Shelby County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 1.2 hours before the alert went out and 318 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 00:00Z on 1994-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2099 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 00:00Z on 1994-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 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
2099 J/kg
Mixed-layer CIN
-80 J/kg
Mixed-layer LCL
2748 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
388 m²/s²
Significant tornado parameter
0.0
Supercell composite
15.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 260113
SVRSTL
MOC137-205-260215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
810 PM CDT SAT JUN 25 1994
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  915 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST MISSOURI
 
   ...EASTERN MONROE COUNTY...SOUTHEASTERN SHELBY COUNTY
 
AT 810 PM...RADAR INDICATED A SEVERE THUNDERSTORM OVER SHELBY
COUNTY...35 MILES WEST OF HANNIBAL...OR NEAR SHELBYVILLE. THE STORM WAS
MOVING SOUTHEAST AT 35 MPH.
 
THE STORM WILL BE MOVING THROUGH THE SHELBYVILLE...SHELBINA ...LAKEMAN
...HUNNEWELL...CLAPPER AND INDIAN CREEK AREAS BY 9PM.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
 j
DM/DLF

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, Jun 25, 2:30 PM CDT, 5 hours 40 minutes before
MOZ001>115-KSZ102>105-ILZ095>102-252100-

MISSOURI SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
230 PM CDT SAT JUN 25 1994

THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS LATE THIS AFTERNOON
IN NORTHWEST MISSOURI.
THIS MODERATE RISK AREA EXPANDS TO INCLUDE ALL OF MISSOURI TONIGHT.

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

ACQUAVIVA

URENTIDES.

THE HEAVY RAIN AREA HAS NOW LEAVED WESTERN QUEBEC AND WILL MOVE
OVER THE SAGUENAY-LAC-SAINT-JEAN AREA THIS EVENING AND TONIGHT.
RAINFALL AMOUNTS UP TO 50 MM ARE EXPECTED OVER THIS REGION BY
SUNDAY MORNING.

==============================================================
PLEASE REFER TO THE PUBLIC REGIONAL FORECAST FOR MORE DETAILS.
==============================================================

END/
Special weather statement, Jun 25, 2:33 PM CDT, 5 hours 37 minutes before
MOZ001>115-KSZ102>105-ILZ095>102-252100-

MISSOURI SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
230 PM CDT SAT JUN 25 1994

THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS LATE THIS AFTDERNOON
IN NORTHWEST MISSOURI.
THIS MODERATE RISK AREA EXPANDS TO INCLUDE ALL OF MISSOURI TONIGHT.

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

ACQUAVIVA
Special weather statement, Jun 25, 7:03 PM CDT, 1 hour 7 minutes before
MOZ001>115-KSZ102>105-ILZ095>102-260105-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
703 PM CDT SAT JUN 25 1994

...TORNADO WATCH IS IN EFFECT MUCH OF NORTHWEST AND CENTRAL MISSOURI
UNTIL 2 AM CDT...

AT 655 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADARS CONTINUED TO
SHOW RAPIDLY DEVELOPING THUNDERSTORMS ACROSS EASTERN NEBRASKA AND
SOUTHWEST IOWA. THESE STORMS WILL CONTINUE TO STRENGHTEN...AND QUICKLY
RACE TOWARDS THE SOUTH AT 40 MPH INTO NORTHWEST AND CENTRAL MISSOURI
THIS EVENING AND TONIGHT. LARGE HAIL...DAMAGING WIND GUSTS...AND
TORNADOES CAN BE EXPECTED WITH THESE STORMS.

PLEASE STAY TUNED TO YOUR LOCAL TELEVISION OR RADIO STATION FOR FUTHER
WEATHER INFORMATION AND POSSIBLE SEVERE THUNDERSTORM OR TORNADO
WARNINGS FOR YOUR AREA.

DO NOT USE YOUR CAR TO OUTRUN A TORNADO.  CARS ARE EASILY TOSSED
AROUND BY TORNADO WINDS.  IF YOU ARE CAUGHT IN THE PATH OF A
TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING.  IF NO
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT.

METZE
Special weather statement, Jun 25, 7:05 PM CDT, 1 hour 5 minutes before
MOZ001>115-KSZ102>105-ILZ095>102-260105-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
703 PM CDT SAT JUN 25 1994

...TORNADO WATCH IS IN EFFECT MUCH OF NORTHWEST AND CENTRAL MISSOURI
UNTIL 2 AM CDT...

AT 655 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADARS CONTINUED TO
SHOW RAPIDLY DEVELOPING THUNDERSTORMS ACROSS EASTERN NEBRASKA AND
SOUTHWEST IOWA. THESE STORMS WILL CONTINUE TO STRENGHTEN...AND QUICKLY
RACE TOWARDS THE SOUTH AT 40 MPH INTO NORTHWEST AND CENTRAL MISSOURI
THIS EVENING AND TONIGHT. LARGE HAIL...DAMAGING WIND GUSTS...AND
TORNADOES CAN BE EXPECTED WITH THESE STORMS.

PLEASE STAY TUNED TO YOUR LOCAL TELEVISION OR RADIO STATION FOR FUTHER
WEATHER INFORMATION AND POSSIBLE SEVERE THUNDERSTORM OR TORNADO
WARNINGS FOR YOUR AREA.

DO NOT USE YOUR CAR TO OUTRUN A TORNADO.  CARS ARE EASILY TOSSED
AROUND BY TORNADO WINDS.  IF YOU ARE CAUGHT IN THE PATH OF A
TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING.  IF NO
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT.

METZE
Special weather statement, Jun 25, 7:10 PM CDT, 1 hour before
MOZ008>010-017>019-025>027-033>036-041-042-048>052-059>065-ILZ098>102-
260110-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
710 PM CDT SAT JUN 25 1994

...THUNDERSTORMS WERE QUICKLY DEVELOPING ACROSS NORTHEAST MISSOURI THIS
EVENING...

AT 705 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED
THUNDERSTORMS QUICKLY DEVELOPING FROM NEAR KIRKSVILLE TO 15 MILES NORTH
OF QUINCY...ILLINOIS.  THESE THUNDERSTORMS WERE MOVING TO THE SOUTHEAST
AT 30 MPH. THE THUNDERSTORMS WILL HAVE THE CAPABILITY OF PRODUCING
GUSTY WINDS TO 40 MPH AND SMALL HAIL.

IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY WHEN
STORMS APPROACH.  MOTORISTS SHOULD REMAIN ALERT FOR REDUCED
VISIBILITIES DURING DOWNPOURS OF RAIN.  STREETS MAY FLOOD QUICKLY.

ALSO...A TORNADO WATCH IS IN EFFECT FOR NORTHWEST AND CENTRAL MISSOURI
UNTIL 2AM CDT.

METZE
Special weather statement, Jun 25, 7:12 PM CDT, 58 minutes before
MOZ008>010-017>019-025>027-033>036-041-042-048>052-059>065-ILZ098>102-
260110-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
710 PM CDT SAT JUN 25 1994

...THUNDERSTORMS WERE QUICKLY DEVELOPING ACROSS NORTHEAST MISSOURI THIS
EVENING...

AT 705 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED
THUNDERSTORMS QUICKLY DEVELOPING FROM NEAR KIRKSVILLE TO 15 MILES NORTH
OF QUINCY...ILLINOIS.  THESE THUNDERSTORMS WERE MOVING TO THE SOUTHEAST
AT 30 MPH. THE THUNDERSTORMS WILL HAVE THE CAPABILITY OF PRODUCING
GUSTY WINDS TO 40 MPH AND SMALL HAIL.

IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY WHEN
STORMS APPROACH.  MOTORISTS SHOULD REMAIN ALERT FOR REDUCED
VISIBILITIES DURING DOWNPOURS OF RAIN.  STREETS MAY FLOOD QUICKLY.

ALSO...A TORNADO WATCH IS IN EFFECT FOR NORTHWEST AND CENTRAL MISSOURI
UNTIL 2AM CDT.

METZE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 8:45 PM CDTSevere Thunderstorm WarningLSXShelby45 min
Jun 25, 8:45 PM CDTSevere Thunderstorm WarningLSXMarion36 min
Jun 25, 8:58 PM CDTTornado WarningLSXMonroe38 min
Jun 25, 9:02 PM CDTSevere Thunderstorm WarningLSXRalls43 min
Jun 26, 2:33 AM CDTSevere Thunderstorm WarningLSXDent27 min
Jun 26, 3:43 AM CDTSevere Thunderstorm WarningLSXCrawford, Phelps62 min
Jun 26, 4:35 AM CDTTornado WarningLSXDent40 min
Jun 26, 5:45 PM CDTSevere Thunderstorm WarningLSXSaint Francois26 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.