Alert archive / Kansas / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 13, NWS Kansas City, MO

March 8, 2002Johnson County, Wyandotte County, Kansas

NWS Kansas City, MO issued this severe thunderstorm warning at Mar 8, 2002, 10:28 PM CST for Johnson County, Wyandotte County, Kansas. It was in force for 62 min. 4 reports 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, 10:28 PM CST (04:28 UTC)
Expired: Mar 8, 2002, 11:30 PM CST
In force: 62 min
Issued by: NWS Kansas City, MO
Area: Counties, with a storm outline in the text

Counties Johnson County, KS, Wyandotte County, KS

The radar

The Pleasant Hill radar (KEAX), 56 km from the middle of the area, began a volume at 04:30 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.

What was reported inside it

Time	Report	Where
Mar 8, 10:43 PM CST	Hail 0.75	Bonner Spgs, KS
Mar 8, 10:45 PM CST	Hail 0.75	Kansas City, KS
Mar 8, 10:58 PM CST	Hail 0.75	Olathe, KS
Mar 8, 11:00 PM CST	Hail 1	Gardner, KS

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
Mar 8, 9:00 PM CST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 4.5 hours before the alert went out and 69 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: 727 J/kg
Mixed-layer CIN: -129 J/kg
Mixed-layer LCL: 810 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 266 m²/s²
0-3 km storm-relative helicity: 332 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 1.8

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KEAX 090428
SVRMCI
KSC091-209-090530-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1028 PM CST FRI MAR 8 2002

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WYANDOTTE COUNTY IN NORTHEAST KANSAS
  JOHNSON COUNTY IN EAST CENTRAL KANSAS

* UNTIL 1130 PM CST

* AT 1025 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS CAPABLE OF PRODUCING HAIL TO THE SIZE OF
  QUARTERS...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THESE STORMS
  WERE LOCATED ALONG A LINE EXTENDING FROM 7 MILES EAST OF PERRY TO
  EUDORA TO BALDWIN CITY...AND MOVING NORTHEAST AT 60 MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
   GARDNER BY 1035 PM CST.
   OLATHE...DE SOTO BY 1040 PM CST.
   SHAWNEE...OVERLAND PARK...LENEXA BY 1045 PM CST.
   MISSION...MERRIAM...KANSAS CITY BY 1050 PM CST.

THE TOWNS OF JOHNSON COUNTY AIRPORT AND STANLEY ARE ALSO IN THE PATH 
OF THESE STORMS.

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.

WIND DAMAGE WITH THIS STORM MAY OCCUR WELL AHEAD OF ANY RAIN OR
LIGHTNING. DO NOT WAIT FOR THE SOUND OF THUNDER BEFORE TAKING COVER.
SEEK SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

LAT...LON 3919 9480 3916 9465 3877 9465 3874 9504
          3894 9505 3899 9490 3919 9489

HUDSON

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 8, 9:10 PM CST	Severe Thunderstorm Warning	EAX	Atchison	50 min
Mar 8, 9:31 PM CST	Severe Thunderstorm Warning	EAX	Doniphan	44 min
Mar 8, 9:58 PM CST	Severe Thunderstorm Warning	EAX	Leavenworth	62 min
Mar 8, 11:25 PM CST	Severe Thunderstorm Warning	EAX	Miami	65 min

Nearby

Severe Thunderstorm Warnings in Kansas, 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.