Alert archive / Missouri / Tornado Warnings in 2003

Tornado Warning 43, NWS Kansas City, MO

May 9, 2003Cass County, Missouri

NWS Kansas City, MO issued this tornado warning at May 9, 2003, 9:30 PM CDT for Cass County, Missouri. It was in force for 30 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 9, 2003, 9:30 PM CDT (02:30 UTC)
Expired: May 9, 2003, 10:00 PM CDT
In force: 30 min
Issued by: NWS Kansas City, MO
Area: Counties, with a storm outline in the text

County Cass County, MO

The radar

The Pleasant Hill radar (KEAX), 22 km from the middle of the area, began a volume at 02:35 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
May 9, 4:45 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 2.5 hours before the alert went out and 109 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: 173 J/kg
Mixed-layer CIN: -412 J/kg
Mixed-layer LCL: 1579 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 154 m²/s²
0-3 km storm-relative helicity: 422 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

719 
WFUS53 KEAX 100230
TOREAX
MOC037-100300-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
930 PM CDT FRI MAY 9 2003

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL CASS COUNTY IN WEST CENTRAL MISSOURI

* UNTIL 1000 PM CDT

* AT 925 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO IN
  FREEMAN...OR 7 MILES WEST OF HARRISONVILLE...MOVING NORTHEAST AT 15
  MPH. LARGE HAIL AND DESTRUCTIVE THUNDERSTORM WINDS ARE ALSO LIKELY
  WITH THIS STORM.

* THIS TORNADIC STORM IS EXPECTED TO BE NEAR...
   PECULIAR BY 945 PM CDT.

THE TOWN OF LAKE ANNETTE IS ALSO IN THE PATH OF THIS TORNADO.

THIS TORNADO WARNING IS AN UPGRADE TO THE SEVERE THUNDERSTORM WARNING
PREVIOUSLY ISSUED FOR THE WARNED AREA.

LAT...LON 3863 9454 3859 9446 3876 9429 3880 9444

$$


KOCH

The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 7:31 PM CDT	Severe Thunderstorm Warning	EAX	Johnson	59 min
May 9, 7:42 PM CDT	Severe Thunderstorm Warning	EAX	Lafayette	63 min
May 9, 8:22 PM CDT	Severe Thunderstorm Warning	EAX	Saline	38 min
May 9, 8:23 PM CDT	Severe Thunderstorm Warning	EAX	Howard, Randolph	67 min
May 9, 8:43 PM CDT	Severe Thunderstorm Warning	EAX	Cass	62 min
May 9, 8:55 PM CDT	Severe Thunderstorm Warning	EAX	Jackson	65 min
May 9, 9:09 PM CDT	Severe Thunderstorm Warning	EAX	Lafayette	66 min
May 9, 9:11 PM CDT	Severe Thunderstorm Warning	EAX	Macon	64 min
May 9, 9:16 PM CDT	Flash Flood Warning	EAX	Cass	6 hr
May 9, 10:01 PM CDT	Severe Thunderstorm Warning	EAX	Jackson	59 min
May 9, 10:03 PM CDT	Tornado Warning	EAX	Lafayette	42 min
May 9, 10:12 PM CDT	Severe Thunderstorm Warning	EAX	Cass	63 min
May 9, 10:16 PM CDT	Tornado Warning	EAX	Saline	59 min
May 9, 10:28 PM CDT	Severe Thunderstorm Warning	EAX	Johnson	62 min
May 9, 10:44 PM CDT	Tornado Warning	EAX	Johnson	61 min
May 9, 11:21 PM CDT	Severe Thunderstorm Warning	EAX	Pettis	39 min
May 9, 11:30 PM CDT	Severe Thunderstorm Warning	EAX	Johnson	45 min
May 10, 3:22 AM CDT	Severe Thunderstorm Warning	EAX	Cooper	53 min
May 10, 3:29 AM CDT	Severe Thunderstorm Warning	EAX	Henry	46 min
May 10, 3:38 AM CDT	Severe Thunderstorm Warning	EAX	Jackson	37 min
May 10, 3:49 AM CDT	Severe Thunderstorm Warning	EAX	Johnson	56 min
May 10, 3:58 AM CDT	Severe Thunderstorm Warning	EAX	Clay	62 min
May 10, 4:20 AM CDT	Severe Thunderstorm Warning	EAX	Pettis	40 min
May 10, 4:21 AM CDT	Severe Thunderstorm Warning	EAX	Platte	39 min
May 10, 4:33 AM CDT	Severe Thunderstorm Warning	EAX	Saline	57 min
May 10, 4:38 AM CDT	Severe Thunderstorm Warning	EAX	Cooper	37 min
May 10, 4:45 AM CDT	Severe Thunderstorm Warning	EAX	Jackson	60 min
May 10, 4:55 AM CDT	Severe Thunderstorm Warning	EAX	Ray	65 min
May 10, 5:11 AM CDT	Severe Thunderstorm Warning	EAX	Cass	64 min
May 10, 5:23 AM CDT	Severe Thunderstorm Warning	EAX	Lafayette	67 min
May 10, 5:26 AM CDT	Severe Thunderstorm Warning	EAX	Howard	49 min
May 10, 5:33 AM CDT	Severe Thunderstorm Warning	EAX	Johnson	72 min
May 10, 5:36 AM CDT	Flash Flood Warning	EAX	Cooper, Howard, Pettis, Saline	6 hr
May 10, 5:57 AM CDT	Flash Flood Warning	EAX	Randolph	6 hr
May 10, 6:02 AM CDT	Severe Thunderstorm Warning	EAX	Cass	13 min
May 10, 1:20 PM CDT	Severe Thunderstorm Warning	EAX	Carroll	55 min
May 10, 3:15 PM CDT	Severe Thunderstorm Warning	EAX	Carroll, Ray	60 min
May 10, 3:17 PM CDT	Severe Thunderstorm Warning	EAX	DeKalb, Gentry	43 min
May 10, 3:23 PM CDT	Severe Thunderstorm Warning	EAX	Johnson	67 min
May 10, 3:25 PM CDT	Severe Thunderstorm Warning	EAX	Harrison	50 min
May 10, 3:31 PM CDT	Severe Thunderstorm Warning	EAX	Daviess	44 min
May 10, 3:39 PM CDT	Tornado Warning	EAX	Daviess, Harrison	51 min
May 10, 3:47 PM CDT	Tornado Warning	EAX	Linn	58 min
May 10, 4:02 PM CDT	Tornado Warning	EAX	Carroll	58 min
May 10, 4:11 PM CDT	Severe Thunderstorm Warning	EAX	Mercer	64 min
May 10, 4:16 PM CDT	Severe Thunderstorm Warning	EAX	Lafayette, Saline	59 min
May 10, 4:18 PM CDT	Tornado Warning	EAX	Chariton	42 min
May 10, 4:25 PM CDT	Tornado Warning	EAX	Adair, Sullivan	65 min
May 10, 4:32 PM CDT	Tornado Warning	EAX	Saline	43 min
May 10, 4:43 PM CDT	Tornado Warning	EAX	Macon	47 min
May 10, 4:45 PM CDT	Severe Thunderstorm Warning	EAX	Putnam	60 min
May 10, 4:55 PM CDT	Tornado Warning	EAX	Putnam	65 min
May 10, 5:07 PM CDT	Severe Thunderstorm Warning	EAX	Chariton, Howard	53 min
May 10, 5:12 PM CDT	Severe Thunderstorm Warning	EAX	Randolph	63 min
May 10, 5:21 PM CDT	Tornado Warning	EAX	Randolph	39 min
May 10, 5:44 PM CDT	Tornado Warning	EAX	Cooper	46 min
May 10, 5:58 PM CDT	Tornado Warning	EAX	Randolph	32 min
May 10, 6:01 PM CDT	Tornado Warning	EAX	Putnam	29 min
May 10, 6:13 PM CDT	Tornado Warning	EAX	Henry	47 min
May 10, 6:30 PM CDT	Severe Thunderstorm Warning	EAX	Saline	45 min
May 10, 6:52 PM CDT	Severe Thunderstorm Warning	EAX	Chariton	38 min

Nearby

Tornado Warnings in Missouri, 2003 Every tornado warning in 2003 Tornadoes in 2003

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.