Alert archive / Missouri / Tornado Warnings in 2001

Tornado Warning 29, NWS Springfield, MO

November 23, 2001Ozark County, Missouri

NWS Springfield, MO issued this tornado warning at Nov 23, 2001, 10:43 PM CST for Ozark County, Missouri. It was in force for 62 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, 10:43 PM CST (04:43 UTC)
Expired: Nov 23, 2001, 11:45 PM CST
In force: 62 min
Issued by: NWS Springfield, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Ozark County, MO

The radar

The Springfield radar (KSGF), 100 km from the middle of the area, began a volume at 04:44 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, 10:55 PM CST	Thunderstorm Wind 52 E	Isabella, 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, 4.7 hours before the alert went out and 117 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.

210 
WFUS53 KSGF 240446
TORSGF
MOC153-240545-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1043 PM CST FRI NOV 23 2001

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

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

* UNTIL 1145 PM CST

* AT 1039 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  TWO SEVERE THUNDERSTORMS WITH DEVELOPING TORNADOES MOVING INTO 
  OZARK COUNTY. THE FIRST STORM WAS LOCATED 13 MILES NORTHEAST OF 
  DIAMOND CITY...OR 13 MILES NORTHWEST OF BULL SHOALS. THE SECOND 
  TORNADIC THUNDERSTORM WAS LOCATED 12 MILES WEST OF BULL SHOALS. 
  BOTH STORMS ARE MOVING NORTHEAST AT 35 MPH.

* THE TORNADIC THUNDERSTORMS WILL AFFECT...
   GAINESVILLE BY 1100 PM CST.
   BAKERSFIELD BY 1110 PM CST.

THE TOWNS OF PONTIAC...THEODOSIA...SUNDOWN...LONG RUN AND ISABELLA
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.

NIGHT TIME TORNADOES ARE ESPECIALLY DANGEROUS. DONT WAIT TO SEE OR 
HEAR THE TORNADO...IT MAY BE TOO LATE SEEK SHELTER IMMEDIATELY.

LAT...LON 3681 9277 3650 9278 3651 9213 3681 9212

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, 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 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.