Alert archive / Missouri / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 143, NWS Kansas City, MO

May 17, 1995St. Clair County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at May 17, 1995, 8:00 PM CDT for St. Clair County, Missouri. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
May 17, 1995, 8:00 PM CDT (01:00 UTC)
Expired
May 17, 1995, 8:45 PM CDT
In force
45 min
Issued by
NWS Kansas City, MO
Area
Whole counties

County St. Clair County, MO

The radar

The Springfield radar (KSGF), 95 km from the middle of the area, began a volume at 01:01 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

Topeka, KS (KTOP), launched 00:00Z, 1.0 hours before the alert went out and 194 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, Topeka, KS at 00:00Z on 1995-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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, Topeka, KS at 00:00Z on 1995-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 158 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
2 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
525 m above ground
0-6 km bulk shear
85 kt
0-1 km storm-relative helicity
158 m²/s²
0-3 km storm-relative helicity
299 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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 Kansas City, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at May 17, 2:58 PM CDT, 5 hours 2 minutes earlier.

Area forecast discussion, May 17, 2:58 PM CDT, 5 hours 2 minutes before
NORTHWEST MISSOURI FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
300 PM CDT WED MAY 17 1995

ACTIVITY HAS HIT A LULL FINALLY WITH ONLY ACTION ACRS FAR SRN PART OF
FCST AREA.  REISSUED FFW FOR 4 COUNTIES BASED ON RADAR ESTIMATES OF
CONTD RAIN 3/4"+ IN ONE HOUR.  SFC FNT LIES JUST S OF AREA FM ABOUT
MOBERLY TO NEVADA.  BEST AMS LIES S OF BDRY AND WILL EXPECT CHC SVR
TO BE THERE TONITE WITH R++.  METRO THROUGH MACON WEDGE LIKELY TO STILL
SEE SOME GOOD RAINS...AND FFA LIKELY STILL NEEDED.  FAR NW/NC MO DEEPER
INTO THE COOL AND STABLE AIR AND A BIT LESS OF A THREAT.  BEST POPS
TONITE PER GUIDANCE...BUT STILL A REASONABLE POP THU TOO...ESPECIALLY
EARLY.  FINALLY MAY DRY OUT FOR THU NITE AND FRI AND WILL FCST SUCH AS
HIGH PRES SETTLES IN BEHIND DEPARTING SYS.

GUID TEMPS CLOSE AND APPEAR REASONABLE WITH EXPECTD CONDS.

MCI   47/57   +7

WELVAERT

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 8:22 PM CDTSevere Thunderstorm WarningEAXBenton, Hickory51 min
May 17, 9:04 PM CDTSevere Thunderstorm WarningEAXCamden41 min
May 18, 10:04 AM CDTSevere Thunderstorm WarningEAXPulaski41 min
May 18, 10:22 AM CDTTornado WarningEAXPulaski38 min
May 18, 10:38 AM CDTTornado WarningEAXMaries52 min
May 18, 11:13 AM CDTSevere Thunderstorm WarningEAXCamden, Miller52 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1995Every severe thunderstorm warning in 1995

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.