Alert archive / Missouri / Tornado Warnings in 2001

Tornado Warning 27, NWS Springfield, MO

November 23, 2001McDonald County, Missouri

NWS Springfield, MO issued this tornado warning at Nov 23, 2001, 8:04 PM CST for McDonald County, Missouri. It was in force for 56 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: Nov 23, 2001, 8:04 PM CST (02:04 UTC)
Expired: Nov 23, 2001, 9:00 PM CST
In force: 56 min
Issued by: NWS Springfield, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

County McDonald County, MO

The radar

The Springfield radar (KSGF), 104 km from the middle of the area, began a volume at 02:06 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
Nov 23, 7:30 PM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.1 hours before the alert went out and 53 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: 6 J/kg
Mixed-layer CIN: -199 J/kg
Mixed-layer LCL: 970 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 351 m²/s²
0-3 km storm-relative helicity: 377 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

762 
WFUS53 KSGF 240204
TORSGF
MOC119-240300-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
804 PM CST FRI NOV 23 2001

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN MCDONALD COUNTY IN SOUTHWEST MISSOURI

* UNTIL 900 PM CST

* AT 800 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A SEVERE THUNDERSTORM WITH A DEVELOPING TORNADO 10 MILES SOUTHEAST 
  OF PINEVILLE...MOVING NORTHEAST AT 40 MPH. ANOTHER POTENTIALLY 
  TORNADIC THUNDERSTORM WAS LOCATED JUST SOUTHWEST OF BENTONVILLE 
  ARKANSAS...AND WILL ALSO MOVE ACROSS SOUTHEAST MCDONALD COUNTY 
  BEFORE 900 PM.

* THE TORNADIC THUNDERSTORMS WILL REMAIN OVER MAINLY RURAL AREAS 
  OF MCDONALD COUNTY.

THE TOWNS OF POWELL AND ROCKY COMFORT ARE ALSO IN THE PATH OF THESE 
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 3650 9435 3650 9408 3676 9409

BOOKBINDER

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 23, 7:37 PM CST	Tornado Warning	SGF	Lawrence, Newton	38 min
Nov 23, 8:15 PM CST	Tornado Warning	SGF	Barry	60 min
Nov 23, 9:34 PM CST	Severe Thunderstorm Warning	SGF	Christian, Greene	56 min
Nov 23, 9:45 PM CST	Severe Thunderstorm Warning	SGF	Ozark	60 min
Nov 23, 10:43 PM CST	Tornado Warning	SGF	Ozark	62 min
Nov 24, 12:37 AM CST	Severe Thunderstorm Warning	SGF	Howell	38 min
Nov 24, 1:29 AM CST	Severe Thunderstorm Warning	SGF	Dent	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.