Alert archive / Missouri / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 4, NWS Kansas City, MO

March 12, 2003Clinton County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Mar 12, 2003, 6:56 PM CST for Clinton County, Missouri. It was in force for 64 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, 6:56 PM CST (00:56 UTC)
Expired: Mar 12, 2003, 8:00 PM CST
In force: 64 min
Issued by: NWS Kansas City, MO
Area: Counties, with a storm outline in the text

County Clinton County, MO

The radar

The Pleasant Hill radar (KEAX), 95 km from the middle of the area, began a volume at 00:57 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, 0.9 hours before the alert went out and 126 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: 704 J/kg
Mixed-layer CIN: -99 J/kg
Mixed-layer LCL: 617 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 114 m²/s²
0-3 km storm-relative helicity: 161 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.9

Open this sounding in Storm Lab

The text

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

917 
WUUS53 KEAX 130056
SVRMCI
MOC049-130200-

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

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CLINTON COUNTY IN NORTHWEST MISSOURI

* UNTIL 800 PM CST

* AT 652 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING HAIL TO THE SIZE OF
  NICKELS...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
  LOCATED NEAR PERRIN...OR 20 MILES EAST OF ST JOSEPH...AND MOVING
  NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   PERRIN...LATHROP BY 705 PM CST.
   TURNEY BY 710 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 3974 9423 3950 9425 3947 9460 3966 9461
          3971 9461 3974 9456

$$


MS/NRR

The office that day

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

Issued	Product	Office	Counties	Lasted
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, 9:45 PM CST	Severe Thunderstorm Warning	EAX	Cooper	60 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.