Alert archive / Missouri / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 82, NWS Kansas City, MO

May 6, 2002Linn County, Sullivan County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at May 6, 2002, 6:42 AM CDT for Linn County, Sullivan County, Missouri. It was in force for 48 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 6, 2002, 6:42 AM CDT (11:42 UTC)
Expired: May 6, 2002, 7:30 AM CDT
In force: 48 min
Issued by: NWS Kansas City, MO
Area: Counties, with a storm outline in the text

Counties Linn County, MO, Sullivan County, MO

What was reported inside it

Time	Report	Where	Remark
May 6, 7:00 AM CDT	Thunderstorm Wind 52 E	Brookfield, 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 watch it was issued in

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

Issued	Product	Office	Lasted
May 6, 2:00 AM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 11.7 hours before the alert went out and 253 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: 1298 J/kg
Mixed-layer CIN: -86 J/kg
Mixed-layer LCL: 1520 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 88 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.3

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KEAX 061142
SVRMCI
MOC115-211-061230-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
641 AM CDT MON MAY 6 2002

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SULLIVAN COUNTY IN NORTH CENTRAL MISSOURI
  LINN COUNTY IN NORTH CENTRAL MISSOURI

* UNTIL 730 AM CDT

* AT 637 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DIME SIZE HAIL...AND
  DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THESE STORMS WERE LOCATED
  ALONG A LINE EXTENDING FROM OSGOOD TO DAWN...AND MOVING EAST AT 50
  MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
   MILAN...BOYNTON...POLLOCK BY 650 AM CDT.
   PURDIN...MEADVILLE...BROWNING BY 655 AM CDT.
   MYSTIC...GREEN CITY...LINNEUS BY 700 AM CDT.
   GREEN CASTLE...WINIGAN...SHELBY BY 705 AM CDT.

THE TOWN OF LACLEDE IS ALSO IN THE PATH OF THESE STORMS.

AT 629 AM CDT...A 65 MPH WIND GUST WAS REPORTED IN TRENTON AND AT 
635 AM DIZE SIZE HAIL WAS REPORTED IN TRENTON.

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.

LAT...LON 4037 9287 3973 9288 3971 9333 4034 9332

MJ

The office that day

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

Issued	Product	Office	Counties	Lasted
May 5, 9:46 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Platte	59 min
May 5, 11:16 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Jackson	44 min
May 6, 12:16 AM CDT	Severe Thunderstorm Warning	EAX	Holt	44 min
May 6, 12:43 AM CDT	Severe Thunderstorm Warning	EAX	Andrew	47 min
May 6, 1:09 AM CDT	Severe Thunderstorm Warning	EAX	Buchanan, DeKalb	51 min
May 6, 1:18 AM CDT	Severe Thunderstorm Warning	EAX	Clinton	42 min
May 6, 1:36 AM CDT	Severe Thunderstorm Warning	EAX	Caldwell	39 min
May 6, 2:16 AM CDT	Severe Thunderstorm Warning	EAX	Carroll	44 min
May 6, 5:28 AM CDT	Severe Thunderstorm Warning	EAX	Andrew, Holt	47 min
May 6, 5:52 AM CDT	Severe Thunderstorm Warning	EAX	DeKalb	23 min
May 6, 6:07 AM CDT	Severe Thunderstorm Warning	EAX	Putnam	38 min
May 6, 6:16 AM CDT	Severe Thunderstorm Warning	EAX	Daviess, Grundy, Livingston	44 min
May 6, 6:31 AM CDT	Severe Thunderstorm Warning	EAX	Clay, Ray	44 min
May 6, 7:05 AM CDT	Severe Thunderstorm Warning	EAX	Adair, Macon	40 min
May 6, 7:18 AM CDT	Severe Thunderstorm Warning	EAX	Jackson	57 min
May 6, 8:20 AM CDT	Severe Thunderstorm Warning	EAX	Cass	55 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.