Alert archive / Missouri / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 83, NWS Springfield, MO

April 27, 1994Vernon County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Apr 27, 1994, 3:55 PM CDT for Vernon County, Missouri. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Apr 27, 1994, 3:55 PM CDT (20:55 UTC)
Expired
Apr 27, 1994, 5:00 PM CDT
In force
65 min
Issued by
NWS Springfield, MO
Area
Whole counties

County Vernon County, MO

The radar

The Pleasant Hill radar (KEAX), 107 km from the middle of the area, began a volume at 20:54 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 8.9 hours before the alert went out and 116 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 1994-04-27Temperature 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 1994-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 168 square meters per square second.19395878Sfc1 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
1167 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
168 m²/s²
0-3 km storm-relative helicity
211 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 27, 2:04 PM CDT, 1 hour 51 minutes before
MOZ066-077>082-088>098-101>108-272005-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
202 PM CDT WED APR 27 1994

AT 200 PM...RADAR INDICATED A VERY STRONG THUNDERSTORM ABOUT 40 MILES
SOUTH SOUTHWEST OF JOPLIN.  THIS STORM WAS MOVING TO THE NORTHEAST AT
40 MPH AND WILL MOVE NEAR OR JUST NORTH OF SOUTHWEST CITY BY 215 PM AND
BE NEAR ANDERSON MISSOURI BY 230 PM.

THIS STORM WILL LIKELY PRODUCE VERY HEAVY RAINS AND PEA TO MARBLE
SIZE HAIL.  SRONG GUSTY SURFACE WINDS ARE ALSO POSSIBLE.

PEOPLE IN EXTREME SOUTHWEST MISSOURI SHOULD REMAIN ALERT AND BE
PREPARED TO TAKE COVER IF THREATENING WEATHER APPROACHES YOU.

JOHNSON
Special weather statement, Apr 27, 2:43 PM CDT, 1 hour 12 minutes before
MOZ066-077>082-088>098-101>108-272045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
240 PM CDT WED APR 27 1994

AT 240 PM...RADAR INDICATED A CLUSTER OF VERY STRONG THUUNDERSTORMS
ABOUT 60 MILES SOUTHEAST OF JOPLIN.

THESE STORMS WERE MOVING TO THE NORTHEAST AT 45 MPH AND WILL MOVE INTO
THE MCDONALD AND SOUTHERN BARRY COUNTIES BY 300 PM.  THE TOWNS OF
ANDERSON...PINEVILLE...POWELL...CASSIVILLE...AND SHELL KNOB ARE IN THE
PATH OF THESE STORMS.

THESE STROMS WILL LIKELY PRODUCE VERY HEAVY RAINS...PEA TO MARBLE SIZE
HAIL AND STRONG GUSTY SURFACE WINDS.

PEOPLE IN EXTREME SOUTHWEST MISSOURI SHOULD REMAIN ALERT...AND MOVE TO
A PLACE OF SAFETY IF THREATENING WEATHER APPROA.CHES YOU.

JOHNSON

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 26, 8:06 PM CDTSevere Thunderstorm WarningSGFTexas, Wright54 min
Apr 26, 8:49 PM CDTSevere Thunderstorm WarningSGFDallas41 min
Apr 26, 11:53 PM CDTSevere Thunderstorm WarningSGFJasper, Lawrence67 min
Apr 27, 12:03 AM CDTSevere Thunderstorm WarningSGFLaclede, Webster57 min
Apr 27, 12:21 AM CDTSevere Thunderstorm WarningSGFGreene69 min
Apr 27, 12:39 AM CDTSevere Thunderstorm WarningSGFDallas, Polk66 min
Apr 27, 12:54 AM CDTSevere Thunderstorm WarningSGFWebster51 min
Apr 27, 3:15 PM CDTSevere Thunderstorm WarningSGFBarry, Stone60 min
Apr 27, 4:00 PM CDTSevere Thunderstorm WarningSGFTaney60 min
Apr 27, 4:09 PM CDTTornado WarningSGFTaney51 min
Apr 27, 4:30 PM CDTSevere Thunderstorm WarningSGFDouglas, Ozark60 min
Apr 27, 4:30 PM CDTSevere Thunderstorm WarningSGFChristian60 min
Apr 27, 4:46 PM CDTSevere Thunderstorm WarningSGFBarton59 min
Apr 27, 5:00 PM CDTSevere Thunderstorm WarningSGFVernon45 min
Apr 27, 5:25 PM CDTTornado WarningSGFHowell, Ozark65 min
Apr 27, 5:47 PM CDTTornado WarningSGFTexas58 min
Apr 27, 6:15 PM CDTSevere Thunderstorm WarningSGFOregon, Shannon60 min
Apr 27, 6:32 PM CDTSevere Thunderstorm WarningSGFCarter58 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; radar from the NEXRAD Level II archive.