Alert archive / Missouri / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 28, NWS Kansas City, MO

April 21, 1996Clay County, Platte County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Apr 21, 1996, 7:11 PM CDT for Clay County, Platte County, Missouri. It was in force for 49 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 21, 1996, 7:11 PM CDT (00:11 UTC)
Expired: Apr 21, 1996, 8:00 PM CDT
In force: 49 min
Issued by: NWS Kansas City, MO
Area: Whole counties

Counties Clay County, MO, Platte County, MO

The radar

The Pleasant Hill radar (KEAX), 66 km from the middle of the area, began a volume at 00:12 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, 0.2 hours before the alert went out and 98 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 93 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 1732 m above ground
0-6 km bulk shear: 89 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 124 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

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 Apr 21, 3:33 PM CDT, 3 hours 38 minutes earlier.

Area forecast discussion, Apr 21, 3:33 PM CDT, 3 hours 38 minutes before

NORTHWEST MISSOURI FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
325 PM CDT SUN APR 21 1996

TOR WATCH #214 JUST ISSUED. PRIMARY CONCERN WILL BE SVR PTNL THIS EVE.
AS SUGD BY YDAS AVN RUN APCHG CDFNT AWAITG SHRTWV EJECTING FM SRN RCKYS
SO COMG IN SLOER. LTST WV IMAGERY SHOWS SHRTWV ENTERING WRN NM WITH PSBL
JET STREAK MOVG ACRS THE TX/OK PNHDLS.

MAY BE SEEING WRMFNT REFORM ACRS SE KS AND SRN MO AS DWPTS HV JUMPED
INTO THE LOW/MID 50S THERE. DEEPER MSTR FTHR S ACRS SRN HLVS OF OK/AR
WHERE MAIN WRMFNT LOCATED AND ADAP SHOWS -10 LIS OVR SRN OK. STG CNVTN
HAS DLVPD RPDLY ACRS NC/NE OK IN RGN OF GTST DSTBLZN. GTST PRES FALL
CHG PER ADAP SEEN OVR E CNTRL KS/W CNTRL MO SUGG WRMFNT WILL CONT NWD
AND ALLOW DEEPER MSTR/INSTBY TO MOV INTO SRN HLF CWA THIS EVE. WILL
FOLLOW SCENERIO OF CNVTN SPREADING NEWD AS JET STREAK LIFTS NEWD.
ACTVTY OVR FA MAY WAIT TILL CDFNT ARRIVAL ARND SUNSET. EXPCG FROPA ARND
05Z AT MCI. GRIDDED DATA FCST LRG UVV MAX ACRS W CNTRL MO BY 06Z MOVG
NEWD ACRS REST OF FA AS CDFNT CONTS E. HIEST POPS OVR SRN AND ERN CNTYS
WHERE LLVL MSTR TO BE GRTST. SVR THREAT APRS TO BE CONFINED TO MAINLY S
OF MO RVR WHERE WRMFNT/CDFNT ARE EXPCD TO INTERSECT.

COOLER/DRIER AIR ON TAP FOR MON. SHUD STAY DRY DESPITE WK SHRTWV MOVG
INTO NW MO BY 00Z TUE. AMS TOO STBL/DRY TO SUPPORT MENTION OF LOW POPS.
DCRSG CLDS W TO E IN THE AFTN. AFTN SUNSHINE SHUD HELP TEMPS RECOVER
SOME. GUID TEMPS MAY BE A TAD WRM MON OTRW FOLLOWED.

MCI 045/059 51

JULY

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 21, 7:11 PM CDT	Severe Thunderstorm Warning	EAX	Jackson	49 min
Apr 21, 7:13 PM CDT	Severe Thunderstorm Warning	EAX	Saline	62 min
Apr 21, 7:29 PM CDT	Severe Thunderstorm Warning	EAX	Howard, Randolph	61 min
Apr 21, 7:47 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Clinton, Ray	58 min
Apr 21, 7:51 PM CDT	Severe Thunderstorm Warning	EAX	Macon	44 min
Apr 21, 7:01 PM CDT	Severe Thunderstorm Warning	EAX	Wyandotte	59 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1996 Every 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.