Alert archive / Missouri / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 39, NWS Springfield, MO

April 10, 1994Jasper County, McDonald County, Newton County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Apr 10, 1994, 7:34 PM CDT for Jasper County, McDonald County, Newton County, Missouri. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Apr 10, 1994, 7:34 PM CDT (00:34 UTC)
Expired
Apr 10, 1994, 8:30 PM CDT
In force
56 min
Issued by
NWS Springfield, MO
Area
Whole counties

Counties Jasper County, MO, McDonald County, MO, Newton County, MO

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 0.6 hours before the alert went out and 48 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 1994-04-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 147 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, Springfield, MO at 00:00Z on 1994-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 437 square meters per square second.1939587897Sfc1 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
147 J/kg
Mixed-layer CIN
-194 J/kg
Mixed-layer LCL
613 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
437 m²/s²
0-3 km storm-relative helicity
464 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSGF 110036
SVRSGF
MOC011-039-097-119-145-167-217-110130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
734 PM CDT SUN APR 10 1994
 
THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  830 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST MISSOURI
 
   ...BARTON COUNTY...CEDAR COUNTY...JASPER COUNTY
   ...MCDONALD COUNTY...NEWTON COUNTY...POLK COUNTY
 
IN WEST CENTRAL MISSOURI
 
   ...VERNON COUNTY
 
AT 735 PM CDT AN AREA OF SEVERE THUNDERSTORMS CONTINUE TO PRODUCE
DAMAGING WINDS AND HAIL...AND HEAVY RAINFALL. THESE STORMS WERE
40 MILES SOUTHEAST OF JOPLIN AND 30 MILES NORTHWEST OF SPRINGFIELD...
AND 25 MILES NORTHWEST OF JOPLIN.
 
THE STORMS WERE MOVING NORTHEAST AT 30 MILES PER HOUR.  THE TOWNS
OF POWELL...NEOSHO...CARTHAGE...JOPLIN...LAMAR...NEVADA...STOCKTON...
AND BOLIVER ARE IN THE PATH OF THESE STORMS.
 
NUMEROUS OCCURANCES OF MARBLE TO ONE INCH SIZE HAIL HAVE BEEN REPORTED
FROM THESE STORMS.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
DAVIS
 
&

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 10, 4:27 PM CDT, 3 hours 7 minutes before
MOZ066-077>082-088>098-101>108-110330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
430 PM CDT SUN APR 10 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR A LARGE PART OF
SOUTHWEST MISSOURI UNTIL 10 PM...

...A FLASH FLOOD WATCH IS IN EFFECT FOR ALL OF SOUTHWEST AND
SOUTH CENTRAL MISSOURI TONIGHT AND MONDAY MORNING...

AT 430 PM...SHOWERS AND THUNDERSTORMS WERE DEVELOPING ALONG AND NORTH
OF A STATIONARY FRONT OVER NORTHEAST OKLAHOMA AND SOUTHEAST KANSAS.
THESE SHOWERS AND THUNDERSTORMS WILL MOVE NORTHEAST INTO SOUTHWEST
MISSOURI TONIGHT.

SOME OF THESE STORMS WILL LIKELY CONTAIN VERY HEAVY RAIN AND SOME MAY
BE SEVERE.  HEAVY RAINFALL OF 1 TO 3 INCHES HAS FALLEN OVER SOUTHERN
MISSOURI OVERNIGHT...AND MOST STREAMS AND CREEKS ARE AT OR NEAR
BANKFULL.  ADDITONAL HEAVY RAINFALL TONIGHT WILL LIKLEY CAUSE FLASH
FLOODING.

PEOPLE IN SOUTHWEST AND SOUTH CENTRAL MISSOURI SHOULD REMAIN ALERT TO
CHANGING WEATHER CONDITIONS AND BE PREPARED TO TAKE ACTION IF A WARNING
IS ISSUED.

JOHNSON
Special weather statement, Apr 10, 5:13 PM CDT, 2 hours 21 minutes before
MOZ066-077>082-088>098-101>108-110330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
510 PM CDT SUN APR 10 1994

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR A LARGE PART OF
SOUTHWEST MISSOURI UNTIL 10 PM...

...A FLASH FLOOD WATCH IS IN EFFECT FOR ALL OF SOUTHWEST AND
SOUTH CENTRAL MISSOURI TONIGHT AND MONDAY MORNING...

...A TORNADO WATCH IS IN EFFECT FOR A SMALL PART OF SOUTHWEST MISSOURI
UNTIL MIDNIGHT CDT...

AT 510 PM CDT RADAR INDICATED STRONG THUNDERSTORMS ACROSS SOUTHWEST
MISSOURI FROM 60 MILES NORTH OF JOPLIN TO 50 MILES NORTHWEST OF
SPRINGFIELD. THESE STORMS ARE CAPABLE OF PRODUCING HEAVY RAIN..SMALL
HAIL AND STRONG GUSTY WINDS NEAR 45 MILES PER HOUR.

ANOTHER CLUSTER OF STRONG THUNDERSTORMS OVER NORTHEAST OKLAHOMA WILL
MOVE INTO SOUTHWEST MISSOURI BY 545 PM CDT.

ANY ADDITIONAL HEAVY RAINFALL TONIGHT WILL MOST LIKELY CAUSE FLASH
FLOODING.

MURPHY

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 7:34 PM CDTSevere Thunderstorm WarningSGFBarton, Cedar, Polk, Vernon56 min
Apr 10, 7:44 PM CDTSevere Thunderstorm WarningSGFBarry, Christian, Stone61 min
Apr 10, 7:44 PM CDTSevere Thunderstorm WarningSGFGreene61 min
Apr 10, 8:00 PM CDTFlash Flood WarningSGFChristian, Dallas, Douglas, Greene, Laclede, Webster and 1 more6 hr
Apr 10, 8:00 PM CDTFlash Flood WarningSGFPolk6 hr
Apr 10, 8:00 PM CDTFlash Flood WarningSGFStone, Taney6 hr
Apr 10, 8:00 PM CDTFlash Flood WarningSGFOzark6 hr
Apr 10, 9:00 PM CDTSevere Thunderstorm WarningSGFChristian, Stone60 min
Apr 10, 9:11 PM CDTSevere Thunderstorm WarningSGFBarton, Vernon64 min
Apr 10, 9:42 PM CDTTornado WarningSGFDouglas, Webster, Wright63 min
Apr 10, 11:01 PM CDTSevere Thunderstorm WarningSGFTexas59 min
Apr 11, 12:11 AM CDTFlash Flood WarningSGFBarton, Cedar, Dade, Jasper, Lawrence6 hr
Apr 11, 12:11 AM CDTFlash Flood WarningSGFVernon6 hr
Apr 11, 12:11 AM CDTFlash Flood WarningSGFBarry, McDonald, Newton6 hr
Apr 11, 12:25 AM CDTSevere Thunderstorm WarningSGFBarton, Vernon65 min
Apr 11, 1:52 AM CDTSevere Thunderstorm WarningSGFBarton, Cedar, Vernon68 min
Apr 11, 4:57 AM CDTSevere Thunderstorm WarningSGFDouglas, Ozark33 min
Apr 11, 6:16 AM CDTFlash Flood WarningSGFBarton, Cedar, Vernon6 hr
Apr 11, 6:16 AM CDTFlash Flood WarningSGFDade, Jasper, Lawrence6 hr
Apr 11, 7:14 AM CDTFlash Flood WarningSGFBarry, McDonald, Newton5 hr
Apr 11, 8:53 AM CDTFlash Flood WarningSGFDallas, Laclede3 hr
Apr 11, 8:53 AM CDTFlash Flood WarningSGFChristian, Greene, Stone3 hr
Apr 11, 8:53 AM CDTFlash Flood WarningSGFPolk3 hr
Apr 11, 12:16 PM CDTFlash Flood WarningSGFBarry, McDonald, Newton6 hr
Apr 11, 12:16 PM CDTFlash Flood WarningSGFChristian, Greene, Lawrence, Stone, Webster6 hr
Apr 11, 12:16 PM CDTFlash Flood WarningSGFBarton, Cedar, Dade, Jasper6 hr
Apr 11, 12:16 PM CDTFlash Flood WarningSGFDallas, Laclede6 hr
Apr 11, 12:16 PM CDTFlash Flood WarningSGFPolk6 hr
Apr 11, 3:28 PM CDTSevere Thunderstorm WarningSGFBarton, Jasper47 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.