Alert archive / Missouri / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 7, NWS Kansas City, MO

March 8, 2002Grundy County, Harrison County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Mar 8, 2002, 12:01 AM CST for Grundy County, Harrison County, Missouri. It was in force for 44 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: Mar 8, 2002, 12:01 AM CST (06:01 UTC)
Expired: Mar 8, 2002, 12:45 AM CST
In force: 44 min
Issued by: NWS Kansas City, MO
Area: Counties, with a storm outline in the text

Counties Grundy County, MO, Harrison County, MO

The radar

The Pleasant Hill radar (KEAX), 156 km from the middle of the area, began a volume at 06:03 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.

What was reported inside it

Time	Report	Where	Remark
Mar 8, 12:18 AM CST	Hail 0.75	Brimson, 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

Topeka, KS (KTOP), launched 00:00Z, 6.0 hours before the alert went out and 205 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: 695 J/kg
Mixed-layer CIN: -96 J/kg
Mixed-layer LCL: 950 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 296 m²/s²
0-3 km storm-relative helicity: 520 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 2.9

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KEAX 080601
SVRMCI
MOC079-081-080645-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1201 AM CST FRI MAR 8 2002

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN HARRISON COUNTY IN NORTH CENTRAL MISSOURI
  NORTHERN GRUNDY COUNTY IN NORTH CENTRAL MISSOURI

* UNTIL 1245 AM CST

* AT 1158 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE DAMAGING HAIL UP TO
  GOLF BALL SIZE.  THIS STORM WAS LOCATED NEAR GILMAN CITY...OR 12
  MILES SOUTHEAST OF BETHANY...AND MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   BRIMSON BY 1210 AM CST.
   TINDALL BY 1220 AM CST.
   SPICKARD BY 1225 AM CST.
   DUNLAP BY 1230 AM CST.

THIS STORM HAS A HISTORY OF PRODUCING  LARGE DAMAGING HAIL. SEEK 
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS

LAT...LON 4020 9402 4014 9404 4014 9378 4003 9338
          4026 9348

SF

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 7, 10:04 PM CST	Severe Thunderstorm Warning	EAX	Andrew, Holt	41 min
Mar 7, 10:45 PM CST	Severe Thunderstorm Warning	EAX	Andrew, DeKalb	45 min
Mar 7, 11:20 PM CST	Severe Thunderstorm Warning	EAX	Gentry	25 min
Mar 7, 11:30 PM CST	Severe Thunderstorm Warning	EAX	Daviess	45 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; radar from the NEXRAD Level II archive.