Alert archive / Missouri / Tornado Warnings in 2001

Tornado Warning 28, NWS Springfield, MO

November 23, 2001Barry County, Missouri

NWS Springfield, MO issued this tornado warning at Nov 23, 2001, 8:15 PM CST for Barry County, Missouri. It was in force for 60 min. 1 report came from 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, with what was reported inside it.

The facts

Issued: Nov 23, 2001, 8:15 PM CST (02:15 UTC)
Expired: Nov 23, 2001, 9:15 PM CST
In force: 60 min
Issued by: NWS Springfield, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Barry County, MO

The radar

The Springfield radar (KSGF), 77 km from the middle of the area, began a volume at 02:17 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.

What was reported inside it

Time	Report	Where	Remark
Nov 23, 8:28 PM CST	Tornado F2	Exeter, MO

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

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, 2.3 hours before the alert went out and 27 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.

509 
WFUS53 KSGF 240216
TORSGF
MOC009-240315-

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

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  BARRY COUNTY IN SOUTHWEST MISSOURI

* UNTIL 915 PM CST

* AT 811 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A DEVELOPING TORNADO 6 MILES WEST OF
  WASHBURN...OR 11 MILES NORTH OF PEA RIDGE...MOVING NORTHEAST AT 
  35 MPH. ANOTHER POTENTIALLY TORNADIC THUNDERSTORM WAS LOCATED NEAR 
  PEA RIDGE AND WILL ALSO MOVE ACROSS BARRY COUNTY.

* THE TORNADIC THUNDERSTORMS ARE EXPECTED TO BE NEAR...
   EXETER...WHEATON BY 825 PM CST.
   CASSVILLE BY 830 PM CST.
   PURDY BY 840 PM CST.
   MONETT BY 845 PM CST.

THE TOWNS OF WAYNE...RIDGLEY...BUTTERFIELD...MCDOWELL AND PLEASANT
RIDGE ARE ALSO IN THE PATH OF THESE TORNADIC STORMS.

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
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 3649 9408 3649 9368 3693 9361 3694 9406

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, 8:04 PM CST	Tornado Warning	SGF	McDonald	56 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.