Alert archive / Missouri / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 125, NWS Springfield, MO

April 28, 1996Phelps County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Apr 28, 1996, 7:15 PM CDT for Phelps County, Missouri. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 28, 1996, 7:15 PM CDT (00:15 UTC)
Expired
Apr 28, 1996, 7:45 PM CDT
In force
30 min
Issued by
NWS Springfield, MO
Area
Whole counties

County Phelps County, MO

The radar

The St Louis radar (KLSX), 133 km from the middle of the area, began a volume at 00:18 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 (KSGF), launched 00:00Z, 0.3 hours before the alert went out and 208 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 1996-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 293 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 1996-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 366 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
293 J/kg
Mixed-layer CIN
-150 J/kg
Mixed-layer LCL
496 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
366 m²/s²
0-3 km storm-relative helicity
358 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.1

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.

NWS Springfield, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 28, 9:25 AM CDT, 9 hours 50 minutes earlier.

Area forecast discussion, Apr 28, 9:25 AM CDT, 9 hours 50 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SPRINGFIELD MO
925 AM CDT SUN APR 28 1996

FCST PROB WILL BE POTENTIAL FOR SVR TRW REDEVELOPMENT THIS AFT/EVE.

FIRST LINE OF SVR TRW HAS PUSHED OUT OF AREA AND WEAKENED WITH SCT TRW
BEHIND MAIN LINE. SGF SOUNDING WAS ZAPPED IN TRW THIS MORNING. 50KT LLJ
NOSING INTO S MO AHEAD OF LOW LOCATED OVER OK.  850 10-15 DWPNTS POOLED
OVER CNTRL OK AND SW MO.  WARM FRONT LOCATED ALONG MO/AR BORDER WITH
DWPNTS IN THE 60S JUST TO THE S OF THE FRONT.

INSTABILITIES WILL CLIMB AS THE DAY PROGRESSES AND AS DWPTNS BEGIN TO
INCREASE.  CAPES PROGGED AT 1000+ WITH LI'S EXPECTED IN THE -3 TO -5
RANGE BY AFTERNOON WILL MOST LIKELY CAUSE ANOTHER RD OF SVR WX TO
DEVELOP AGAIN THIS AFTERNOON ACROSS CWA.

FCST TEMPS LOOK A BIT ON THE HIGH SIDE AND WOULD GO MORE IN LINE WITH
THE FAN GUID.  WITH RAIN/CLDS EXPECTED TO CONTINUE THIS MORNING AND
AFTERNOON WILL NOT SEE MUCH SUN TO HEAT THE ATMOSPHERE.

.TOP...ZONE$S LOOK GOOD.
.STL...LOWER TEMPS INTO THE 60S.

LINDENBERG

In the hours before

Special weather statement, Apr 28, 1:38 PM CDT, 5 hours 37 minutes before
KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-290040-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
136 PM CDT SUN APR 28 1996

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR SOUTH CENTRAL
MISSOURI UNTIL 7PM...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR SOUTH CENTRAL MISSOURI
FOR THOSE AREAS GENERALLY EAST OF AN OZARK TO CAMDENTON LINE.

WHILE NO SEVERE WEATHER WAS OCCURING IN THE WATCH AREA...WARM MOIST AND
UNSTABLE AIR WAS MOVING NORTHWARD BEHIND A WARM FRONT AND SEVERE
THUNDERSTORMS ARE EXPECTED TO REDEVELOP IN THIS AREA THIS AFTERNOON.

PERSONS IN THESE AREAS SHOULD REMAIN ALERT TO RAPIDLY CHANGING WEATHER
CONDITIONS AND BE PREPARED TO TAKE THE APPROPRIATE SAFETY MEASURES
SHOULD A WARNING BE ISSUED AT A LATER TIME.

LINDENBERG
Special weather statement, Apr 28, 4:20 PM CDT, 2 hours 55 minutes before
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Special weather statement, Apr 28, 6:13 PM CDT, 1 hour 2 minutes before
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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Nearby

Severe Thunderstorm Warnings in Missouri, 1996Every severe thunderstorm warning in 1996

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.