Alert archive / Missouri / Tornado Warnings in 2003

Tornado Warning 30, NWS Springfield, MO

May 4, 2003Laclede County, Missouri

NWS Springfield, MO issued this tornado warning at May 4, 2003, 9:41 PM CDT for Laclede County, Missouri. It was in force for 19 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, 9:41 PM CDT (02:41 UTC)
Expired: May 4, 2003, 10:00 PM CDT
In force: 19 min
Issued by: NWS Springfield, MO
Area: Counties, with a storm outline in the text

County Laclede County, MO

The radar

The Springfield radar (KSGF), 94 km from the middle of the area, began a volume at 02:43 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, 6:05 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.7 hours before the alert went out and 145 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: 2099 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 756 m above ground
0-6 km bulk shear: 74 kt
0-1 km storm-relative helicity: 321 m²/s²
0-3 km storm-relative helicity: 341 m²/s²
Significant tornado parameter: 4.6
Supercell composite: 15.8

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KSGF 050241
TORSGF
MOC105-050300-

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

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN LACLEDE COUNTY IN MISSOURI

* UNTIL 1000 PM CDT.

* AT 938 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR LEBANON...AND MOVING EAST AT 30 MPH.

* THE TORNADO WILL REMAIN OVER MAINLY RURAL AREAS OF...
  LACLEDE COUNTY.

THE TOWNS OF SLEEPER AND DRY KNOB 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 3783 9262 3762 9263 3763 9239 3767 9237

$$

IZZI

The office that day

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

Issued	Product	Office	Counties	Lasted
May 4, 7:05 PM CDT	Tornado Warning	SGF	Hickory	55 min
May 4, 7:11 PM CDT	Tornado Warning	SGF	Dallas	64 min
May 4, 7:13 PM CDT	Severe Thunderstorm Warning	SGF	Barton	32 min
May 4, 7:21 PM CDT	Severe Thunderstorm Warning	SGF	Cedar	39 min
May 4, 7:24 PM CDT	Tornado Warning	SGF	Christian, Greene, Stone	66 min
May 4, 7:27 PM CDT	Tornado Warning	SGF	Camden	63 min
May 4, 7:50 PM CDT	Severe Thunderstorm Warning	SGF	Cedar	40 min
May 4, 7:53 PM CDT	Tornado Warning	SGF	Miller	52 min
May 4, 7:56 PM CDT	Tornado Warning	SGF	Webster	64 min
May 4, 8:01 PM CDT	Tornado Warning	SGF	Cedar	44 min
May 4, 8:18 PM CDT	Tornado Warning	SGF	Polk	57 min
May 4, 8:19 PM CDT	Severe Thunderstorm Warning	SGF	Maries, Pulaski	56 min
May 4, 8:33 PM CDT	Tornado Warning	SGF	Wright	42 min
May 4, 8:36 PM CDT	Tornado Warning	SGF	Maries	54 min
May 4, 8:40 PM CDT	Tornado Warning	SGF	Dallas	50 min
May 4, 9:01 PM CDT	Tornado Warning	SGF	Laclede	44 min
May 4, 9:21 PM CDT	Tornado Warning	SGF	Camden, Pulaski	54 min
May 4, 9:47 PM CDT	Severe Thunderstorm Warning	SGF	Vernon	43 min
May 4, 9:53 PM CDT	Tornado Warning	SGF	Phelps	67 min
May 4, 10:17 PM CDT	Tornado Warning	SGF	Dent	58 min
May 4, 10:18 PM CDT	Severe Thunderstorm Warning	SGF	St. Clair	57 min
May 4, 10:29 PM CDT	Severe Thunderstorm Warning	SGF	Vernon	46 min
May 4, 11:31 PM CDT	Severe Thunderstorm Warning	SGF	Jasper	44 min
May 4, 11:40 PM CDT	Severe Thunderstorm Warning	SGF	Dade	50 min
May 4, 11:54 PM CDT	Severe Thunderstorm Warning	SGF	Polk	51 min
May 5, 12:04 AM CDT	Severe Thunderstorm Warning	SGF	Lawrence	56 min
May 5, 12:19 AM CDT	Severe Thunderstorm Warning	SGF	Greene	56 min
May 5, 12:40 AM CDT	Severe Thunderstorm Warning	SGF	Dallas, Laclede, Webster	35 min
May 5, 1:14 AM CDT	Severe Thunderstorm Warning	SGF	Webster	46 min
May 5, 1:28 AM CDT	Tornado Warning	SGF	Webster, Wright	62 min
May 5, 1:58 AM CDT	Tornado Warning	SGF	Texas	62 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.