Alert archive / Missouri / Tornado Warnings in 2004

Tornado Warning 39, NWS Springfield, MO

October 18, 2004Dent County, Missouri

NWS Springfield, MO issued this tornado warning at Oct 18, 2004, 3:35 PM CDT for Dent County, Missouri. It was in force for 25 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: Oct 18, 2004, 3:35 PM CDT (20:35 UTC)
Expired: Oct 18, 2004, 4:00 PM CDT
In force: 25 min
Issued by: NWS Springfield, MO
Area: Counties, with a storm outline in the text

County Dent County, MO

The radar

The St Louis radar (KLSX), 127 km from the middle of the area, began a volume at 20:34 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
Oct 18, 12:40 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 8.6 hours before the alert went out and 238 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: 2097 J/kg
Mixed-layer CIN: -105 J/kg
Mixed-layer LCL: 619 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 333 m²/s²
0-3 km storm-relative helicity: 320 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 7.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KSGF 182035
TORSGF
MOC065-182100-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
334 PM CDT MON OCT 18 2004

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  DENT COUNTY IN CENTRAL MISSOURI.

* UNTIL 400 PM CDT.

* AT 329 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 9 MILES SOUTHWEST OF VIBURNUM...OR 25 MILES SOUTH
  OF STEELVILLE...AND MOVING EAST AT 25 MPH.

* THE TORNADO WILL REMAIN OVER MAINLY RURAL AREAS OF EASTERN DENT
  COUNTY...INCLUDING THE TOWN OF BOSS.

THE COMMUNITY OF BOSS NEEDS TO TAKE COVER NOW.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU
ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE
LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO
NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
STURDY 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 3770 9135 3758 9138 3758 9115 3770 9115

$$

CRAMER

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 18, 12:18 AM CDT	Severe Thunderstorm Warning	SGF	Miller	27 min
Oct 18, 1:38 AM CDT	Severe Thunderstorm Warning	SGF	Benton	22 min
Oct 18, 2:23 AM CDT	Severe Thunderstorm Warning	SGF	Morgan	37 min
Oct 18, 2:41 AM CDT	Severe Thunderstorm Warning	SGF	Miller	19 min
Oct 18, 3:33 PM CDT	Tornado Warning	SGF	Shannon	42 min

Nearby

Tornado Warnings in Missouri, 2004 Every tornado warning in 2004 Tornadoes in 2004

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.