Alert archive / Missouri / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 86, NWS Kansas City, MO

May 6, 2002Linn County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at May 6, 2002, 9:27 PM CDT for Linn County, Missouri. It was in force for 48 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: May 6, 2002, 9:27 PM CDT (02:27 UTC)
Expired: May 6, 2002, 10:15 PM CDT
In force: 48 min
Issued by: NWS Kansas City, MO
Area: Counties, with a storm outline in the text

County Linn County, MO

The radar

The Pleasant Hill radar (KEAX), 160 km from the middle of the area, began a volume at 02:30 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, 2.5 hours before the alert went out and 247 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: 3555 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 992 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 177 m²/s²
0-3 km storm-relative helicity: 208 m²/s²
Significant tornado parameter: 4.9
Supercell composite: 15.9

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KEAX 070227
SVRMCI
MOC115-070315-

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

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

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

* UNTIL 1015 PM CDT

* AT 925 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DIME SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  BROOKFIELD...OR 25 MILES EAST OF CHILLICOTHE...AND MOVING EAST AT
  30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   BUCKLIN BY 940 PM CDT.
   NEW BOSTON BY 950 PM CDT.

THE TOWN OF LACLEDE IS ALSO IN THE PATH OF THIS STORM.

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 3997 9286 3976 9286 3971 9315 3987 9321

The office that day

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

Issued	Product	Office	Counties	Lasted
May 6, 9:35 PM CDT	Severe Thunderstorm Warning	EAX	Platte	55 min
May 6, 9:56 PM CDT	Severe Thunderstorm Warning	EAX	Johnson	49 min
May 6, 10:20 PM CDT	Severe Thunderstorm Warning	EAX	Lafayette	55 min
May 6, 10:30 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Platte	60 min
May 6, 11:02 PM CDT	Severe Thunderstorm Warning	EAX	Cooper, Howard, Saline	58 min
May 6, 11:29 PM CDT	Severe Thunderstorm Warning	EAX	Jackson	61 min
May 6, 11:31 PM CDT	Severe Thunderstorm Warning	EAX	Carroll	59 min
May 6, 11:34 PM CDT	Severe Thunderstorm Warning	EAX	Clay	41 min
May 6, 11:42 PM CDT	Severe Thunderstorm Warning	EAX	Cass	63 min
May 7, 12:13 AM CDT	Severe Thunderstorm Warning	EAX	Bates	62 min
May 7, 12:15 AM CDT	Severe Thunderstorm Warning	EAX	Johnson	60 min
May 7, 12:24 AM CDT	Severe Thunderstorm Warning	EAX	Henry	96 min
May 7, 12:57 AM CDT	Severe Thunderstorm Warning	EAX	Pettis	63 min
May 7, 1:04 AM CDT	Flash Flood Warning	EAX	Saline	4 hr
May 7, 1:13 AM CDT	Severe Thunderstorm Warning	EAX	Cooper	62 min
May 7, 1:16 AM CDT	Flash Flood Warning	EAX	Cooper	4 hr

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.