Alert archive / Missouri / Tornado Warnings in 2000

Tornado Warning 9, NWS Springfield, MO

April 20, 2000Barton County, Cedar County, Dade County, Missouri

NWS Springfield, MO issued this tornado warning at Apr 20, 2000, 1:31 AM CDT for Barton County, Cedar County, Dade County, Missouri. It was in force for 29 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 20, 2000, 1:31 AM CDT (06:31 UTC)
Expired
Apr 20, 2000, 2:00 AM CDT
In force
29 min
Issued by
NWS Springfield, MO
Area
Whole counties

Counties Barton County, MO, Cedar County, MO, Dade County, MO

The radar

The Springfield radar (KSGF), 65 km from the middle of the area, began a volume at 06:35 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

TimeReportWhereRemark
Apr 20, 1:35 AM CDTThunderstorm WindLamar, MO
Apr 20, 1:40 AM CDTThunderstorm WindCaplinger Mills, 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.

IssuedProductOfficeLasted
Apr 19, 8:15 PM CDTTornado WatchSPC6 hr
Apr 19, 10:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 6.5 hours before the alert went out and 75 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-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2000-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1428 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2000-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
1428 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
1062 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
131 m²/s²
0-3 km storm-relative helicity
247 m²/s²
Significant tornado parameter
1.2
Supercell composite
12.7

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KSGF 200632
TORSGF
MOC011-039-057-200700-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
131 AM CDT THU APR 20 2000

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  BARTON COUNTY IN SOUTHWEST MISSOURI
  DADE COUNTY IN SOUTHWEST MISSOURI
  CEDAR COUNTY IN SOUTHWEST MISSOURI

* UNTIL 200 AM CDT

* AT 130 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A TORNADO NEAR LAMAR...MOVING NORTHEAST AT 50 MPH.

* THE TORNADO IS EXPECTED BE NEAR...
   STOCKTON BY 200 AM CDT.

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 IN AN INTERIOR HALLWAY
OR CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY.

LINDENBERG

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 9:15 PM CDTTornado WarningSGFVernon60 min
Apr 19, 9:26 PM CDTTornado WarningSGFBarton64 min
Apr 19, 10:03 PM CDTTornado WarningSGFSt. Clair57 min
Apr 19, 10:10 PM CDTTornado WarningSGFCedar, Vernon65 min
Apr 19, 10:58 PM CDTTornado WarningSGFHickory, St. Clair47 min
Apr 19, 11:57 PM CDTSevere Thunderstorm WarningSGFCamden33 min
Apr 20, 12:12 AM CDTSevere Thunderstorm WarningSGFMiller, Morgan33 min
Apr 20, 1:06 AM CDTSevere Thunderstorm WarningSGFMcDonald39 min
Apr 20, 1:13 AM CDTSevere Thunderstorm WarningSGFBarton, Jasper47 min
Apr 20, 1:17 AM CDTSevere Thunderstorm WarningSGFDade43 min
Apr 20, 1:20 AM CDTSevere Thunderstorm WarningSGFNewton25 min
Apr 20, 1:23 AM CDTSevere Thunderstorm WarningSGFCedar52 min
Apr 20, 1:28 AM CDTSevere Thunderstorm WarningSGFBarry, Lawrence47 min
Apr 20, 1:43 AM CDTSevere Thunderstorm WarningSGFSt. Clair47 min
Apr 20, 1:47 AM CDTSevere Thunderstorm WarningSGFChristian, Greene43 min
Apr 20, 1:47 AM CDTSevere Thunderstorm WarningSGFStone43 min
Apr 20, 1:57 AM CDTSevere Thunderstorm WarningSGFBenton, Hickory48 min
Apr 20, 2:11 AM CDTSevere Thunderstorm WarningSGFDallas, Polk, Webster49 min
Apr 20, 2:18 AM CDTSevere Thunderstorm WarningSGFDouglas, Ozark, Taney57 min
Apr 20, 2:28 AM CDTSevere Thunderstorm WarningSGFChristian17 min
Apr 20, 2:40 AM CDTSevere Thunderstorm WarningSGFLaclede, Wright50 min
Apr 20, 2:52 AM CDTSevere Thunderstorm WarningSGFCamden, Pulaski38 min
Apr 20, 3:05 AM CDTSevere Thunderstorm WarningSGFMaries, Miller55 min
Apr 20, 3:05 AM CDTSevere Thunderstorm WarningSGFPhelps55 min
Apr 20, 3:15 AM CDTSevere Thunderstorm WarningSGFHowell, Ozark45 min
Apr 20, 3:27 AM CDTSevere Thunderstorm WarningSGFDent, Shannon, Texas48 min
Apr 20, 4:18 AM CDTSevere Thunderstorm WarningSGFHowell42 min
Apr 20, 5:11 AM CDTSevere Thunderstorm WarningSGFOregon34 min

Nearby

Tornado Warnings in Missouri, 2000Every tornado warning in 2000Tornadoes in 2000

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.