Alert archive / Missouri / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 40, NWS Kansas City, MO

April 18, 2002Gentry County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Apr 18, 2002, 9:08 PM CDT for Gentry County, Missouri. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 18, 2002, 9:08 PM CDT (02:08 UTC)
Expired: Apr 18, 2002, 9:45 PM CDT
In force: 37 min
Issued by: NWS Kansas City, MO
Area: Counties, with a storm outline in the text

County Gentry County, MO

The radar

The Pleasant Hill radar (KEAX), 155 km from the middle of the area, began a volume at 02:09 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 18, 8:30 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 2.1 hours before the alert went out and 167 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: 159 J/kg
Mixed-layer CIN: -124 J/kg
Mixed-layer LCL: 2584 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 45 m²/s²
0-3 km storm-relative helicity: 137 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KEAX 190208
SVRMCI
MOC075-190245-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
907 PM CDT THU APR 18 2002

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GENTRY COUNTY IN NORTHWEST MISSOURI

* UNTIL 945 PM CDT

* AT 904 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING HAIL TO THE SIZE OF
  NICKELS...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM
  WAS LOCATED NEAR FORD CITY...OR 23 MILES SOUTHEAST OF MARYVILLE...
  AND MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   FORD CITY BY 915 PM CDT.
   DARLINGTON BY 920 PM CDT.
   GENTRYVILLE BY 925 PM CDT.
   ALBANY BY 930 PM CDT.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
PLEASANT HILL.

LAT...LON 4026 9461 4005 9463 4006 9424 4035 9423

PB

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 18, 7:17 PM CDT	Severe Thunderstorm Warning	EAX	Nodaway	28 min
Apr 18, 7:25 PM CDT	Severe Thunderstorm Warning	EAX	Gentry	65 min
Apr 18, 7:37 PM CDT	Severe Thunderstorm Warning	EAX	Harrison	53 min
Apr 18, 7:48 PM CDT	Severe Thunderstorm Warning	EAX	Worth	57 min
Apr 18, 8:00 PM CDT	Severe Thunderstorm Warning	EAX	Nodaway	45 min
Apr 18, 8:08 PM CDT	Severe Thunderstorm Warning	EAX	Holt	37 min
Apr 18, 8:32 PM CDT	Severe Thunderstorm Warning	EAX	Harrison	58 min
Apr 18, 9:00 PM CDT	Severe Thunderstorm Warning	EAX	Mercer	60 min
Apr 18, 9:30 PM CDT	Severe Thunderstorm Warning	EAX	Harrison	60 min
Apr 18, 9:55 PM CDT	Severe Thunderstorm Warning	EAX	Grundy	65 min
Apr 19, 4:52 AM CDT	Severe Thunderstorm Warning	EAX	Platte	38 min
Apr 19, 5:30 AM CDT	Severe Thunderstorm Warning	EAX	Jackson	45 min
Apr 19, 5:48 AM CDT	Severe Thunderstorm Warning	EAX	Cass	57 min
Apr 19, 6:17 AM CDT	Severe Thunderstorm Warning	EAX	Johnson	43 min
Apr 19, 6:22 AM CDT	Severe Thunderstorm Warning	EAX	Lafayette	38 min
Apr 19, 6:52 AM CDT	Severe Thunderstorm Warning	EAX	Saline	53 min
Apr 19, 7:46 AM CDT	Severe Thunderstorm Warning	EAX	Howard, Saline	59 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2002 Every severe thunderstorm warning in 2002

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.