Alert archive / Missouri / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 21, NWS Kansas City, MO

March 12, 2003Cooper County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Mar 12, 2003, 9:45 PM CST for Cooper County, Missouri. It was in force for 60 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: Mar 12, 2003, 9:45 PM CST (03:45 UTC)
Expired: Mar 12, 2003, 10:45 PM CST
In force: 60 min
Issued by: NWS Kansas City, MO
Area: Counties, with a storm outline in the text

County Cooper County, MO

The radar

The Pleasant Hill radar (KEAX), 122 km from the middle of the area, began a volume at 03:47 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
Mar 12, 8:25 PM CST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 3.8 hours before the alert went out and 234 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: 1109 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 1150 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 55 m²/s²
0-3 km storm-relative helicity: 100 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

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

542 
WUUS53 KEAX 130345
SVRMCI
MOC053-130445-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY-PLEASANT HILL MO
945 PM CST WED MAR 12 2003

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  COOPER COUNTY IN CENTRAL MISSOURI

* UNTIL 1045 PM CST

* AT 943 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING HAIL UP TO GOLF BALL
  SIZE...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
  LOCATED NEAR PILOT GROVE...OR 12 MILES SOUTHWEST OF BOONVILLE...AND
  MOVING NORTHEAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   BELLAIR...BUNCETON BY 950 PM CST.
   LAMINE BY 955 PM CST.

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.

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 3898 9301 3872 9304 3872 9264 3892 9257

$$


NRR/MS

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 12, 6:56 PM CST	Severe Thunderstorm Warning	EAX	Clinton	64 min
Mar 12, 7:06 PM CST	Severe Thunderstorm Warning	EAX	Platte	54 min
Mar 12, 7:51 PM CST	Severe Thunderstorm Warning	EAX	Clay	54 min
Mar 12, 7:53 PM CST	Severe Thunderstorm Warning	EAX	Platte	37 min
Mar 12, 8:01 PM CST	Severe Thunderstorm Warning	EAX	Jackson	59 min
Mar 12, 8:04 PM CST	Severe Thunderstorm Warning	EAX	Ray	56 min
Mar 12, 8:33 PM CST	Severe Thunderstorm Warning	EAX	Johnson	57 min
Mar 12, 8:49 PM CST	Severe Thunderstorm Warning	EAX	Carroll	56 min
Mar 12, 8:51 PM CST	Severe Thunderstorm Warning	EAX	Cass	54 min
Mar 12, 9:01 PM CST	Severe Thunderstorm Warning	EAX	Pettis	59 min
Mar 12, 9:11 PM CST	Severe Thunderstorm Warning	EAX	Saline	64 min
Mar 12, 9:21 PM CST	Severe Thunderstorm Warning	EAX	Bates	54 min
Mar 12, 9:24 PM CST	Severe Thunderstorm Warning	EAX	Randolph	66 min
Mar 12, 9:37 PM CST	Severe Thunderstorm Warning	EAX	Chariton	53 min
Mar 12, 9:53 PM CST	Severe Thunderstorm Warning	EAX	Henry	67 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2003 Every severe thunderstorm warning 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.