Alert archive / Missouri / Tornado Warnings in 2003

Tornado Warning 4, NWS Springfield, MO

April 19, 2003Barton County, Missouri

NWS Springfield, MO issued this tornado warning at Apr 19, 2003, 8:08 PM CDT for Barton County, Missouri. It was in force for 37 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: Apr 19, 2003, 8:08 PM CDT (01:08 UTC)
Expired: Apr 19, 2003, 8:45 PM CDT
In force: 37 min
Issued by: NWS Springfield, MO
Area: Counties, with a storm outline in the text

County Barton County, MO

The radar

The Springfield radar (KSGF), 103 km from the middle of the area, began a volume at 01:07 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
Apr 19, 6:55 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.1 hours before the alert went out and 96 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: 11 J/kg
Mixed-layer CIN: -140 J/kg
Mixed-layer LCL: 902 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 286 m²/s²
0-3 km storm-relative helicity: 217 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

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

603 
WFUS53 KSGF 200108
TORSGF
MOC011-200145-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
808 PM CDT SAT APR 19 2003

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN BARTON COUNTY IN MISSOURI

* UNTIL 845 PM CDT

* AT 802 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  FRONTENAC...OR NEAR PITTSBURG...MOVING NORTHEAST AT 25 MPH. A 
  ROTATING WALL CLOUD WAS REPORTED NORTH OF CHEROKEE IN CRAWFORD 
  COUNTY.

* THE TORNADO IS EXPECTED TO BE NEAR...
   MINDENMINES BY 815 PM CDT.
   LIBERAL BY 830 PM CDT.

THE TOWNS OF HANNON...IANTHA AND IRWIN ARE ALSO IN THE PATH OF THIS
TORNADIC STORM.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3765 9461 3741 9462 3749 9435 3765 9424

$$

TERRY

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 19, 8:22 PM CDT	Severe Thunderstorm Warning	SGF	Vernon	53 min
Apr 19, 8:42 PM CDT	Severe Thunderstorm Warning	SGF	Barton	48 min
Apr 19, 8:52 PM CDT	Severe Thunderstorm Warning	SGF	Cedar, St. Clair	38 min
Apr 19, 9:28 PM CDT	Severe Thunderstorm Warning	SGF	Benton, St. Clair	62 min
Apr 19, 10:02 PM CDT	Severe Thunderstorm Warning	SGF	Morgan	58 min
Apr 19, 10:31 PM CDT	Severe Thunderstorm Warning	SGF	Stone	44 min
Apr 19, 11:17 PM CDT	Severe Thunderstorm Warning	SGF	Jasper	43 min
Apr 19, 11:29 PM CDT	Severe Thunderstorm Warning	SGF	Barton	31 min
Apr 19, 11:35 PM CDT	Severe Thunderstorm Warning	SGF	Ozark, Taney	55 min
Apr 19, 11:58 PM CDT	Severe Thunderstorm Warning	SGF	Dade	47 min
Apr 20, 12:21 AM CDT	Severe Thunderstorm Warning	SGF	Ozark	39 min
Apr 20, 1:23 AM CDT	Tornado Warning	SGF	Howell, Ozark	52 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.