Alert archive / Missouri / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 87, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at May 20, 1996, 6:39 AM CDT for Atchison County, Missouri. It was in force for 46 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 20, 1996, 6:39 AM CDT (11:39 UTC)
- Expired
- May 20, 1996, 7:25 AM CDT
- In force
- 46 min
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties
County Atchison County, MO
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 20, 7:00 AM CDT | Hail 1 | Rockport, MO |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 11.7 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2504 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMCI 201138
SVRMCI
MOC005-201225-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
639 AM CDT MON MAY 20 1996
* SEVERE THUNDERSTORM WARNING FOR
ATCHISON COUNTY - NORTHWEST MISSOURI
* UNTIL 725 AM CDT
* SOME LOCATIONS AFFECTED
ROCKPORT
TARKIO
WESTBORO
* AT 637 AM RADAR INDICATED A SEVERE THUNDERSTORM NEAR ROCKPORT
MOVING NORTHEAST AT 45 MPH.
* THE STORM WILL AFFECT ROCKPORT...TARKIO AND WESTBORO. HAIL UP
TO 1 INCH IN DIAMETER IS POSSIBLE...ALONG WITH WIND GUSTS TO 60
MPH OR HIGHER.
WHEN THUNDERSTORMS ARE OCCURRING...DO NOT USE TELEPHONES OR OTHER
ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY.
WELVAERTWhat 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 20, 3:28 AM CDT, 3 hours 11 minutes earlier.
Area forecast discussion, May 20, 3:28 AM CDT, 3 hours 11 minutes before
NORTHWEST MISSOURI FORECAST DISCUSSION NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO 328 AM CDT MON MAY 20 1996 CONVECTION RATHER WK THIS AM ACRS NRN PART OF CWA WITH 700MB SHRTWV CURRENTLY MOVG THRU. SFC FNT HAS SAGGED INTO FAR NRN MO WITH RW/TRW MNLY ALG AND N OF BNDRY. MODELS CONT TREND OF MOVG BNDRY THRU CWA BY THIS EVE. ETA AND NGM SWING ANOTHER 700MB SHRTWV INTO WRN KS BY 18Z...MOVG THRU CWA BY ARND MIDNGT. UA DIAGS SHOWD ASSOCD VORT CNTR AT 00Z IN NRN NM WITH RAMSDIS INDCG FEATURE CURENTLY IN SW KS. ETA AND NGM TSXNS FOR EAX INDCG DECENT UVV 12-24HR TIME FRAME. GRIDDED DATA ALSO WKNG CAP SPCLY BY THIS EVE. LKLY POPS IN STORE TDA N OF STJ-MCN LN...SCT S OF LN. FOCUS fSHIFTS TO ERN HALF OF CWA MNLY DURG EVE...ENDG W. AS FAR AS TEMPS...GUIDANCE APRS ON THE LOW SIDE TDA GIVEN MAXS N OF BNDRY YESTERDAY...MINS IN LINE. MCI 80/56 42 DJV
In the hours before
Special weather statement, May 20, 1:25 AM CDT, 5 hours 14 minutes before
KSZ102-MOZ001>007-011-012-200730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 125 AM CDT MON MAY 20 1996 ...SEVERE THUNDERSTORM WATCH NUMBER 403 HAS BEEN ALLOWED TO EXPIRE... THE SEVERE THUNDERSTORM WATCH FOR ATCHISON...HOLT...ANDREW... NODAWAY...WORTH...GENTRY...HARRISON...MERCER AND PUTNAM COUNTIES IN NORTHERN MISSOURI AS WELL AS DONIPHAN COUNTY IN KANSAS HAS BEEN ALLOWED TO EXPIRE. SCATTERED SHOWERS AND THUNDERSTORMS CAN BE STILL BE EXPECTED OVERNIGHT. HOWEVER...THE THREAT OF SEVERE WEATHER HAS ENDED ACROSS THE AREA. DJV
Special weather statement, May 20, 5:59 AM CDT, 40 minutes before
KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040- 043>046-053-054-211200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 600 AM CDT MON MAY 20 1996 ...SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH THIS EVENING... FORECAST...A COLD FRONT IN NORTHERN MISSOURI WILL BE MOVING SLOWLY SOUTHEAST THROUGH THE OUTLOOK AREA BY THIS EVENING BRINGING SHOWERS AND THUNDERSTORMS TO THE REGION. A FEW OF THE THUNDERSTORMS COULD REACH SEVERE LIMITS WITH THE MAIN THREAT DUE TO DAMAGING WINDS AND LARGE HAIL. THE SHOWERS AND THUNDERSTORMS WILL THEN BE ENDING ACROSS THE AREA BY MIDNIGHT. CIVIL DEFENSE COORDINATORS...HAM RADIO AND SPOTTER NETWORKS SHOULD KEEP POSTED FOR WEATHER UPDATES. DISCUSSION...A COLD FRONT FROM NEAR SAINT JOSEPH TO KIRKSVILLE WILL SAG SLOWLY SOUTHEAST THROUGH THE OUTLOOK AREA BY THIS EVENING. AT THE SAME TIME...AN UPPER LEVEL DISTURBANCE WILL BE MOVING NORTHEAST THROUGH THE AREA&. THIS WILL AID IN SHOWER AND THUNDERSTORM DEVELOPMENT ALONG AND NORTH OF THE COLD FRONT THROUGH THE EVENING HOURS. DJV
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.