Alert archive / Missouri / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 93, NWS St. Louis, MO

June 28, 1994Crawford County, Phelps County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 28, 1994, 3:16 AM CDT for Crawford County, Phelps County, Missouri. It was in force for 59 min.

The area

The counties it named.

The facts

Issued
Jun 28, 1994, 3:16 AM CDT (08:16 UTC)
Expired
Jun 28, 1994, 4:15 AM CDT
In force
59 min
Issued by
NWS St. Louis, MO
Area
Whole counties

Counties Crawford County, MO, Phelps County, MO

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 8.3 hours before the alert went out and 229 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 00:00Z on 1994-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4444 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 1994-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 square meters per square second.193958Sfc1 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
4444 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1052 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
150 m²/s²
Significant tornado parameter
3.0
Supercell composite
11.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 280821
SVRSTL
MOC055-161-280915-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
316 AM CDT TUE JUN 28 1994
 
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  415 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL MISSOURI
 
   ...CRAWFORD COUNTY...PHELPS COUNTY
 
AT 316 AM..NWS DOPPLER RADAR SHOWED A LARGE SEVERE THUNDERSTORM
EXTENDING FROM 20 MILES NORTHWEST OF STEELEVILLE TO 15 MILES NORTH OF
ROLLA. THIS STORM WAS MOVING TO THE SOUTHEAST AT 35 MPH.
 
IF YOU LIVE IN THE TOWNS OF CUBA...ST JAMES...ROLLA...AND STELLEVILLE
SEEK SHELTER NOW.  THIS STORM WILL LIKELY PRODUCE WINDS IN EXCESS OF 60
MPH AND LARGE HAIL.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOT
ORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
 
 
GLASS

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 27, 11:56 PM CDT, 3 hours 20 minutes before
MOZ008>010-017>019-025>027-033>036-041-042-048>052-059>065-ILZ098>102-
280555-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1155 PM CDT MON JUN 27 1994

...THUNDERSTORMS OVER NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS WERE
WEAKENING...

SINCE 11 PM...THE THUNDERSTORMS OVER NORTHEAST MISSOURI AND WEST
CENTRAL ILLINOIS HAD WEAKENED CONSIDERABLY.  AT 1155 PM...THE LINE OF
STORMS EXTENDED FROM JUST NORTH OF QUINCY TO JUST NORTH OF
SHELBYVILLE.

THE STORMS CONTINUED MOVING EAST-SOUTHEAST AT 30 MILES AN HOUR.  AT
THIS TIME...ONLY LIGHT TO MODERATE RAIN...AND INFREQUENT
LIGHTNING...IS EXPECTED WITH THESE STORMS.

TRUETT
Special weather statement, Jun 28, 1:31 AM CDT, 1 hour 45 minutes before
MOZ041-045>051-055>059-068>070-280735-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE COLUMBIA MISSOURI
131 AM CDT TUE JUN 28 1994

...A STRONG THUNDERSTORM HAS DEVELOPED BETWEEN JEFFERSON CITY AND
COLUMBIA...

AT 125 AM A STRONG THUNDERSTORM WAS LOCATED 15 MILES NORTHWEST OF
JEFFERSON CITY.  THE STORM WAS MOVING EAST AT 30 MPH AND WILL PASS NEAR
HARTSBURG BETWEEN 135 AND 145 AM AND PASS NEAR NEW BLOOMFIELD AND
JEFFERSON CITY BETWEEN 145 AND 200 AM.

THIS THUNDERSTORM WILL PRODUCE FREQUENT CLOUD TO GROUND LIGHTNING...VERY
HEAVY RAIN...STRONG GUSTY WINDS...AND POSSIBLY SMALL HAIL.

IF YOU ARE IN THE PATH OF THIS THUNDERSTORM AVOID DRIVING SINCE THE
ROAD CAN BE ESPECIALLY DIFFICULT TO SEE AT NIGHT IN HEAVY RAIN.  STAY
INSIDE SHELTER UNTIL THE STORM PASSES.
                           KENNEDY
Special weather statement, Jun 28, 1:33 AM CDT, 1 hour 43 minutes before
MOZ045>051-055>059-068>070-280735-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MISSOURI
131 AM CDT TUE JUN 28 1994

...A STRONG THUNDERSTORM HAS DEVELOPED BETWEEN JEFFERSON CITY AND
COLUMBIA...

AT 125 AM A STRONG THUNDERSTORM WAS LOCATED 15 MILES NORTHWEST OF
JEFFERSON CITY.  THE STORM WAS MOVING EAST AT 30 MPH AND WILL PASS NEAR
HARTSBURG BETWEEN 135 AND 145 AM AND PASS NEAR NEW BLOOMFIELD AND
JEFFERSON CITY BETWEEN 145 AND 200 AM.

THIS THUNDERSTORM WILL PRODUCE FREQUENT CLOUD TO GROUND LIGHTNING...VERY
HEAVY RAIN...STRONG GUSTY WINDS...AND POSSIBLY SMALL HAIL.

IF YOU ARE IN THE PATH OF THIS THUNDERSTORM AVOID DRIVING SINCE THE
ROAD CAN BE ESPECIALLY DIFFICULT TO SEE BAT NIGHT IN HEAVY RAIN.  STAY
INSIDE SHELTER UNTIL THE STORM PASSES.

KENNEDY
Special weather statement, Jun 28, 1:37 AM CDT, 1 hour 39 minutes before
MOZ041-045>051-055>059-068>070-280735-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE COLUMBIA MISSOURI
131 AM CDT TUE JUN 28 1994

...A STRONG THUNDERSTORM HAS DEVELOPED BETWEEN JEFFERSON CITY AND
COLUMBIA...

AT 125 AM A STRONG THUNDERSTORM WAS LOCATED 15 MILES NORTHWEST OF
JEFFERSON CITY.  THE STORM WAS MOVING EAST AT 30 MPH AND WILL PASS NEAR
HARTSBURG BETWEEN 135 AND 145 AM AND PASS NEAR NEW BLOOMFIELD AND
JEFFERSON CITY BETWEEN 145 AND 200 AM.

THIS THUNDERSTORM WILL PRODUCE FREQUENT CLOUD TO GROUND LIGHTNING...VERY
HEAVY RAIN...STRONG GUSTY WINDS...AND POSSIBLY SMALL HAIL.

IF YOU ARE IN THE PATH OF THIS THUNDERSTORM AVOID DRIVING SINCE THE
ROAD CAN BE ESPECIADLLY DIFFICULT TO SEE AT NIGHT IN HEAVY RAIN.  STAY
INSIDE SHELTER UNTIL THE STORM PASSES.
                           KENNEDY
Special weather statement, Jun 28, 2:42 AM CDT, 34 minutes before
MOZ060>065-280845-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
242 AM CDT TUE JUN 28 1994

AT 235 AM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE
OF THUNDERSTORMS WHICH HAS DEVELOPED DURING THE PAST HOUR AND EXTENDED
FROM JUST SOUTHWEST OF WARRENTON...50 MILES WEST OF ST LOUIS...TO JUST
SOUTH OF JEFFERSON CITY.  THESE STORMS ARE MOVING TO THE EAST SOUTHEAST
AT 25 TO 30 MPH AND WILL BE MOVING INTO FRANKLIN COUNTY AND JEFFERSON
COUNTY BETWEEN NOW AND 430 AM.  SOUTHERN SECTIONS OF THE ST LOUIS METRO
AREA MAY ALSO BE AFFECTED.

3/4 INCH DIAMETER HAIL WAS REPORTED IN JEFFERSON CITY AS THE STORMS
PASSED THROUGH THAT AREA.

RESIDENTS OF FRANKLIN AND JEFFERSON COUNTY CAN EXPECT HEAVY RAINS AND
POSSIBLE HAIL AND STRONG WINDS AS THEY PASS THROUGH THE AREA.

PEDIGO
Special weather statement, Jun 28, 2:47 AM CDT, 29 minutes before
MOZ060>065-280845-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
242 AM CDT TUE JUN 28 1994

AT 235 AM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE
OF THUNDERSTORMS WHICH HAS DEVELOPED DURING THE PAST HOUR AND EXTENDED
FROM JUST SOUTHWEST OF WARRENTON...50 MILES WEST OF ST LOUIS...TO JUST
SOUTH OF JEFFERSON CITY.  THESE STORMS ARE MOVING TO THE EAST SOUTHEAST
AT 25 TO 30 MPH AND WILL BE MOVING INTO FRANKLIN COUNTY AND JEFFERSON
COUNTY BETWEEN NOW AND 430 AM.  SOUTHERN SECTIONS OF THE ST LOUIS METRO
AREA MAY ALSO BE AFFECTED.

3/4 INCH DIAMETER HAIL WAS REPORTED IN JEFFERSON CITY AS THE STORMS
PASSED THROUGH THAT AREA.

RESIDENTS OF FRANKLIN AND JEFFERSON COUNTY CAN EXPECT HEAVY RAINS AND
POSSIBLE HAIL AND STRONG WINDS AS THEY PASS THROUGH THE AREA.

PEDIGO

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 2:54 AM CDTSevere Thunderstorm WarningLSXFranklin66 min
Jun 28, 3:39 AM CDTTornado WarningLSXCrawford51 min
Jun 28, 4:18 AM CDTSevere Thunderstorm WarningLSXDent42 min
Jun 28, 4:46 AM CDTSevere Thunderstorm WarningLSXReynolds44 min
Jun 28, 5:28 AM CDTSevere Thunderstorm WarningLSXReynolds47 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.