Alert archive / Missouri / Tornado Warnings in 2001

Tornado Warning 24, NWS Springfield, MO

October 23, 2001Benton County, Missouri

NWS Springfield, MO issued this tornado warning at Oct 23, 2001, 3:46 PM CDT for Benton County, Missouri. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Oct 23, 2001, 3:46 PM CDT (20:46 UTC)
Expired: Oct 23, 2001, 4:30 PM CDT
In force: 44 min
Issued by: NWS Springfield, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Benton County, MO

The radar

The Pleasant Hill radar (KEAX), 108 km from the middle of the area, began a volume at 20:47 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

Springfield, MO (KSGF), launched 12:00Z, 8.8 hours before the alert went out and 167 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: 1568 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 720 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 237 m²/s²
0-3 km storm-relative helicity: 246 m²/s²
Significant tornado parameter: 2.2
Supercell composite: 8.9

Open this sounding in Storm Lab

The text

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

359 
WFUS53 KSGF 232046
TORSGF
MOC015-232130-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
346 PM CDT TUE OCT 23 2001

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN BENTON COUNTY IN CENTRAL MISSOURI

* UNTIL 430 PM CDT

* AT 340 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A DEVELOPING TORNADO 11 MILES SOUTHEAST OF
  LINCOLN...OR 26 MILES SOUTHEAST OF WINDSOR...MOVING EAST AT 20 MPH.

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

THE TOWNS OF LAKEVIEW HEIGHTS...EDMONSON AND ZORA ARE ALSO IN THE
PATH OF THIS TORNADIC STORM.

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.

LAT...LON 3832 9330 3819 9317 3819 9309 3847 9308
          3846 9319

LINDENBERG

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 23, 7:38 AM CDT	Severe Thunderstorm Warning	SGF	Lawrence	52 min
Oct 23, 1:05 PM CDT	Severe Thunderstorm Warning	SGF	Shannon	40 min
Oct 23, 2:12 PM CDT	Severe Thunderstorm Warning	SGF	Benton	48 min
Oct 23, 3:09 PM CDT	Severe Thunderstorm Warning	SGF	Benton	36 min
Oct 23, 3:18 PM CDT	Tornado Warning	SGF	Benton	27 min
Oct 23, 3:34 PM CDT	Severe Thunderstorm Warning	SGF	Morgan	41 min
Oct 23, 4:19 PM CDT	Severe Thunderstorm Warning	SGF	Morgan	41 min
Oct 23, 4:25 PM CDT	Severe Thunderstorm Warning	SGF	Miller	50 min
Oct 23, 4:46 PM CDT	Tornado Warning	SGF	Miller	44 min
Oct 23, 5:13 PM CDT	Severe Thunderstorm Warning	SGF	Morgan	47 min
Oct 23, 5:29 PM CDT	Severe Thunderstorm Warning	SGF	Miller	46 min
Oct 23, 6:03 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Pulaski	42 min
Oct 23, 6:12 PM CDT	Severe Thunderstorm Warning	SGF	Miller	48 min
Oct 23, 6:15 PM CDT	Severe Thunderstorm Warning	SGF	Maries	45 min
Oct 23, 6:45 PM CDT	Severe Thunderstorm Warning	SGF	Pulaski	15 min
Oct 23, 6:59 PM CDT	Severe Thunderstorm Warning	SGF	Maries, Phelps, Pulaski	46 min

Nearby

Tornado Warnings in Missouri, 2001 Every tornado warning in 2001 Tornadoes in 2001

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.