Alert archive / Missouri / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 91, NWS Kansas City, MO

May 22, 1996Atchison County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at May 22, 1996, 11:42 PM CDT for Atchison County, Missouri. It was in force for 63 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
May 22, 1996, 11:42 PM CDT (04:42 UTC)
Expired
May 23, 1996, 12:45 AM CDT
In force
63 min
Issued by
NWS Kansas City, MO
Area
Whole counties

County Atchison County, MO

The radar

The Omaha radar (KOAX), 127 km from the middle of the area, began a volume at 04:45 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

Omaha, NE (KOAX), launched 00:00Z, 4.7 hours before the alert went out and 127 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, Omaha, NE at 00:00Z on 1996-05-23Temperature 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, Omaha, NE at 00:00Z on 1996-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 147 square meters per square second.193958Sfc1 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
1697 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
147 m²/s²
0-3 km storm-relative helicity
501 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMCI 230442
SVRMCI
MOC005-230545-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
1142 PM CDT WED MAY 22 1996

* SEVERE THUNDERSTORM WARNING FOR
  ATCHISON COUNTY - NORTHWEST MISSOURI

* UNTIL 1245 AM CDT
 
* SOME LOCATIONS AFFECTED
    FAIRFAX
    TARKIO
    ROCKPORT

* AT 1140 PM RADAR INDICATED A SEVERE THUNDERSTORM 2 NORTHEAST OF
  TARKIO OR NEAR PHELPS CITY MOVING NORTHEAST AT 25 MPH.

* THE STORM WILL BE NEAR ROCKPORT AT 1150 PM...NEAR FAIRFAX AND
  TARKIO AT 1215 PM.   THIS STORM WILL PRODUCE HAIL ONE INCH OR
  LARGE AND WIND GUSTS TO 60 MPH OR HIGHER.

SEVERE THUNDERSTORMS PRODUCE LARGE HAIL AND DAMAGING WINDS.  FOR
YOUR  SAFETY...MOVE INDOORS AND STAY AWAY FROM WINDOWS.



MITCHELL

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 22, 3:02 PM CDT, 8 hours 40 minutes earlier.

Area forecast discussion, May 22, 3:02 PM CDT, 8 hours 40 minutes before
NORTHWEST MISSOURI FORECAST DISCUSSION...CORRECTED DATE!!
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
254 PM CDT WED MAY 22 1996

THUNDERSTORMS ARE MAIN CONCERN TONITE AND EARLY THUR...THEN AGAIN
THUR NITE AND FRI.  SOME COULD BE SVR...AND MANY WILL HAVE R++.
NAT'L DISCNS AND PERUSIAL OF GRIDDED DATA ALL POINT TO HVY RAIN
EVENT TONITE ACRS NE/IA/NRN MO...AND CAN'T FIND REASONS TO ARGUE.
DIFUSE WRM FNT MOVG N ACRS WRN KS TO NC OK IN RESPONSE TO
CYCLOGENESIS
TAKING PLACE IN LEE OF ROCKIES AS UPR WV CRASHES ROCKIES.  WILL LOOK
FOR THIS FNT TO MOVE N OR FIZZLE AND REFORM OVR FAR NRN KS/NRN MO BY
TONITE.  JUICY AMS S OF BDRY WITH DWPTS MID/UPR 60S.  SOME 70S
ALREADY OVR OK.  MDLS PROG LLJ IN EXCESS OF 50 KTS TONITE...AND MCS
MACROS ON GRIDDED FIELDS POINT TO CTRL NEB FOR DVLPT THIS EVE...WITH
ACTIVITY ROLLING INTO MO PROBLY AFT MID.  COULD BE SOME SVR WITH THIS
COMPLEX...AND WITH K INDEX VALUES WELL INTO 30S...HVY RAINS PSBL.
RELATIVELY LOW FF GUID NUMBERS...SO WILL FAVOR FF WATCH FOR NRN MO N
OF A STJ-IRK LINE.

SOME CRNT RW OVR NC KS NOT TOO EXCITING...AND EXPECT TO FIZZLE AS
SUN DISAPPEARS.  FOR FCST WORDING...MAY WANT TO MENTION "MAINLY AFT
MID" AS THAT THE LIKELY TIME FOR BEST RAINFALL.  WITH WRM FNT AND
JUICY DWPTS POISED TO MOVE INTO AREA...DON'T THINK LOWS WILL FALL
A WHOLE LOT.  GUID GENLY IN MID 60S...AND THINK THIS REASONABLE.  NOT
SURE NRN MO WILL MAKE LOW 60S.  TEMPS TMRW DEPENDANT ON JUST HOW
MANY CLDS HANG ARND.  THINK MID 80S A GOOD COMPROMISE AS WE WILL
STAY IN WRM SECTOR.

LOOKS LIKE A REPEAT PERFORMANCE FOR THURS NITE/FRI AS ANOTHER STRNGR
WV EJECTS OUT INTO PLNS...AND STNRY BDRY HANGING ARND NRN KS/NRN MO
BRDRS.

MCI  66/85  73

WELVAERT

...NOT SURE WHAT HAPPENED TO DATE ON LAST TRANSMISSION!!

In the hours before

Special weather statement, May 22, 10:52 PM CDT, 50 minutes before
MOZ002-230425-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
1052 PM CDT WED MAY 22 1996

ONE INCH HAIL AND WIND GUSTS TO 60 MPH OCCURRED AROUND 1030 PM
ABOUT 2 MILES N\ORTH OF MARYVILLE.

A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR NODAWAY COUNTY UNTIL
11 PM.

MJM

The office that day

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

IssuedProductOfficeCountiesLasted
May 22, 10:32 PM CDTSevere Thunderstorm WarningEAXNodaway28 min
May 22, 11:03 PM CDTSevere Thunderstorm WarningEAXAtchison, Holt42 min
May 22, 11:09 PM CDTSevere Thunderstorm WarningEAXWorth36 min
May 23, 12:00 AM CDTSevere Thunderstorm WarningEAXHolt60 min
May 23, 12:57 AM CDTSevere Thunderstorm WarningEAXAndrew, Nodaway63 min
May 23, 1:01 AM CDTSevere Thunderstorm WarningEAXHolt44 min
May 23, 1:44 AM CDTSevere Thunderstorm WarningEAXGentry46 min
May 23, 2:15 PM CDTFlash Flood WarningEAXAndrew9 hr

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.