Alert archive / Missouri / Tornado Warnings in 2003

Tornado Warning 15, NWS Springfield, MO

May 4, 2003Barton County, Dade County, Missouri

NWS Springfield, MO issued this tornado warning at May 4, 2003, 6:42 PM CDT for Barton County, Dade County, Missouri. It was in force for 63 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 4, 2003, 6:42 PM CDT (23:42 UTC)
Expired: May 4, 2003, 7:45 PM CDT
In force: 63 min
Issued by: NWS Springfield, MO
Area: Counties, with a storm outline in the text

Counties Barton County, MO, Dade County, MO

The radar

The Springfield radar (KSGF), 58 km from the middle of the area, began a volume at 23:42 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 4, 12:35 PM CDT	Tornado Watch	SPC	6 hr
May 4, 6:05 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.7 hours before the alert went out and 63 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: 50 J/kg
Mixed-layer CIN: -362 J/kg
Mixed-layer LCL: 735 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 282 m²/s²
0-3 km storm-relative helicity: 474 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.7

Open this sounding in Storm Lab

The text

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

029 
WFUS53 KSGF 042342
TORSGF
MOC011-057-050045-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
641 PM CDT SUN MAY 4 2003

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  DADE COUNTY IN MISSOURI
  SOUTHEASTERN BARTON COUNTY IN MISSOURI

* UNTIL 745 PM CDT.

* AT 637 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR ALBA...OR 15 MILES NORTHEAST OF JOPLIN...AND
  MOVING NORTHEAST AT 45 MPH.

* THIS TORNADIC STORM IS EXPECTED TO BE NEAR...
   GOLDEN CITY BY 655 PM CDT.
   LOCKWOOD BY 705 PM CDT.
   GREENFIELD BY 715 PM CDT.

THE TOWNS OF MEINERT...SOUTH GREENFIELD...NEOLA...DADEVILLE AND BONA
ARE ALSO IN THE PATH OF THIS TORNADIC STORM.

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT 
WAS IN EFFECT FOR SOUTHEAST BARTON COUNTY. GO TO A BASEMENT OR SMALL 
INTERIOR ROOM ON THE LOWEST FLOOR

LAT...LON 3742 9427 3730 9409 3739 9366 3756 9365
          3757 9404

$$

RUNNELS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 4, 4:27 AM CDT	Severe Thunderstorm Warning	SGF	St. Clair	33 min
May 4, 4:46 AM CDT	Severe Thunderstorm Warning	SGF	Hickory, St. Clair	29 min
May 4, 7:24 AM CDT	Severe Thunderstorm Warning	SGF	Maries, Miller	51 min
May 4, 5:00 PM CDT	Tornado Warning	SGF	Barton	60 min
May 4, 5:23 PM CDT	Severe Thunderstorm Warning	SGF	Vernon	52 min
May 4, 5:49 PM CDT	Tornado Warning	SGF	Cedar, Vernon	56 min
May 4, 5:55 PM CDT	Severe Thunderstorm Warning	SGF	McDonald	50 min
May 4, 5:59 PM CDT	Tornado Warning	SGF	Jasper	56 min
May 4, 5:59 PM CDT	Tornado Warning	SGF	Newton	61 min
May 4, 6:28 PM CDT	Severe Thunderstorm Warning	SGF	Barton	62 min
May 4, 6:28 PM CDT	Tornado Warning	SGF	Polk	62 min
May 4, 6:45 PM CDT	Severe Thunderstorm Warning	SGF	Hickory	60 min
May 4, 6:46 PM CDT	Tornado Warning	SGF	Lawrence	59 min
May 4, 6:50 PM CDT	Severe Thunderstorm Warning	SGF	Oregon	40 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.