Alert archive / Missouri / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 13, NWS Springfield, MO

April 5, 1994Webster County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Apr 5, 1994, 4:21 PM CDT for Webster County, Missouri. It was in force for 54 min.

The area

The counties it named.

The facts

Issued
Apr 5, 1994, 4:21 PM CDT (21:21 UTC)
Expired
Apr 5, 1994, 5:15 PM CDT
In force
54 min
Issued by
NWS Springfield, MO
Area
Whole counties

County Webster County, MO

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 9.4 hours before the alert went out and 92 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 1994-04-05Temperature 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, Springfield, MO at 12:00Z on 1994-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 166 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
510 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
166 m²/s²
0-3 km storm-relative helicity
245 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 KSGF 052121
SVRSGF
MOC225-052215-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE SPRINGFIELD MO
421 PM CDT TUE APR 5 1994

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 515 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE SOUTHWEST PART OF MISSOURI
      WEBSTER

RADAR AT 420 PM CDT INDICATED A SEVERE THUNDERSTORM PRODUCING
DAMAGING HAIL 10 MILES NORTHEAST OF SPRINGFIELD MISSOURI NEAR
STRAFFORD.  THE STORM WAS MOVING NORTHEAST 30 MPH.  THE STORM WILL
MOVE DIRECTLY OVER STRAFFORD AND MARSHFIELD.

WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND NEAR WINDOWS.  DO NOT USE TELEPHONES
OR ELECTRICAL APPLIANCES UNTIL THE STORM HAS PASSED.  MOTORISTS
SHOULD AVOID LOW WATER CROSSINGS.

 THIS STORM WAS PRODUCING UP TO ONE INCH HAIL AS IT MOVED ACROSS
 SPRINGFIELD.  PEOPLE SHOULD SEEK COVER IMMEDIATELY.

 LEE

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, Apr 5, 10:37 AM CDT, 5 hours 44 minutes before
MOZ066-077>082-088>098-101>108-051600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1035 AM CDT TUE APR 5 1994

...THE SEVERE THUNDERSTORM WARNING FOR OREGON COUNTY HAS BEEN CANCELED.4..

THE THUNDERSTORMS HAD WEAKENED AND WERE NO LONGER CONSIDERED A THREAT.
THE THUNDERSTORMS CONTINUED TO CONTAIN BRIEF HEAVY RAIN AND GUSTY
WINDS AS THEY MOVED TO THE EAST AT 30 MILES AN HOUR.

BAREIS
Local storm report, Apr 5, 11:07 AM CDT, 5 hours 14 minutes before
POST STORM SUMMARY
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1110 AM CDT TUE APR 5 1994

0935 AM CDT GOLF BALL SIZE HAIL REPORTED AT NAYLOR IN EXTREME EASTERN
RIPLEY COUNTY BY CIVIL DEFENSE IN DONIPHAN MO.

BAREIS
Local storm report, Apr 5, 11:22 AM CDT, 4 hours 59 minutes before
POST STORM SUMMARY
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1120 AM CDT TUE APR 5 1994

0935 AM CDT GOLF BALL SIZE HAIL REPORTED AT NAYLOR IN EXTREME EASTERN
RIPLEY COUNTY BY CIVIL DEFENSE IN DONIPHAN MO.

1027 AM CDT GOLF BALL SIZE HAIL REPORTED AT THAYER IN OREGON COUNTY BY
SHERIFF OFFICE AT ALTON MO.

BAREIS
Special weather statement, Apr 5, 2:11 PM CDT, 2 hours 10 minutes before
MOZ066-077>082-088>098-101>108-052030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
210 PM CDT TUE APR 5 1994

...VERY STRONG THUNDERSTORMS WERE MOVING ACROSS EXTREME SOUTHWEST
MISSOURI...

THUNDERSTORMS HAD INCREASED IN INTENSTIES DURING THE LAST HOUR AND
ARE PRODUCING BRIEF HEAVY RAIN AND SMALL HAIL. STRONGEST STORMS WERE
LOCATED SOUTH OF A LINE FROM 40 MILES EAST OF SPRINGFIELD TO 50 MILES
SOUTH OF JOPLIN. STRONGEST STORM WAS APPROACHING CAPE FAIR NEAR TABLE
ROCK LAKE.

PERSONS SHOULD REMAIN ALERT FOR POSSIBLE SEVERE WEATHER IN THIS AREA AND
IF THUNDERSTORMS APPROACH MOVE INSIDE TO A SAFE PLACE. FISHERMEN SHOULD
MOVE OFF THE LAKE FOR SAFETY SAKE.

BAREIS
Special weather statement, Apr 5, 3:11 PM CDT, 1 hour 10 minutes before
MOZ066-077>082-088>098-101>108-052130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
310 PM CDT TUE APR 5 1994

...STRONG THUNDERSTORMS WERE MOVING ACROSS EXTREME SOUTHWEST
   MISSOURI...

AN AREA OF STRONG THUNDERSTORMS OVER EXTREME NORTHWEST ARKANSAS JUST
NORTH OF ROGERS AND BENTONVILLE WILL MOVE OVER SOUTHERN BERRY COUNTY
NEAR THE SELIGMAN AND EAGLE ROCK AREAS BY 315 PM CDT...AND OVER SHELL
KNOB AND CENTRAL STONE COUNTY NEAR CAPE FEAR AND KIMBERLING CITY BY 330
PM.

THE STORMS AREA MOVING NORTHEAST AT 30 MPH AND MAY PRODUCE
STRONG GUSTY WINDS...TORRENTIAL DOWNPOURS AND SMALL HAIL.

PERSONS SHOULD REMAIN ALERT FOR POSSIBLE SEVERE WEATHER IN THOSE AREAS
AND IF THUNDERSTORMS APPROACH MOVE INSIDE TO A SAFE PLACE.  BOATERS ARE
ADVISED TO SEEK SAFE HARBOR.

DAVIS
Special weather statement, Apr 5, 3:14 PM CDT, 1 hour 7 minutes before
MOZ066-077>082-088>098-101>108-052130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
310 PM CDT TUE APR 5 1994

...STRONG THUNDERSTORMS WERE MOVING ACROSS EXTREME SOUTHWEST
   MISSOURI...

AN AREA OF STRONG THUNDERSTORMS OVER EXTREME NORTHWEST ARKANSAS JUST
NORTH OF ROGERS AND BENTONVILLE WILL MOVE OVER SOUTHERN BERRY COUNTY
NEAR THE SELIGMAN AND EAGLE ROCK AREAS BY 315 PM CDT...AND OVER SHELL
KNOB AND CENTRAL STONE COUNTY NEAR CAPE FEAR AND KIMBERLING CITY BY 330
PM.

THE STORMS ARE MOVING NORTHEAST AT 30 MPH AND MAY PRODUCE
STRONG GUSTY WINDS...TORRENTIAL DOWNPOURS AND SMALL HAIL.

PERSONS SHOULD REMAIN ALERT FOR POSSIBLE SEVERE WEATHER IN THOSE AREAS
AND IF THUNDERSTORMS APPROACH MOVE INSIDE TO A SAFE PLACE.  BOATERS ARE
ADVISED TO SEEK SAFE HARBOR.

DAVIS

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 5, 9:55 AM CDTSevere Thunderstorm WarningSGFOregon50 min
Apr 5, 3:56 PM CDTSevere Thunderstorm WarningSGFGreene35 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.