Alert archive / Missouri / Tornado Warnings in 2001

Tornado Warning 13, NWS Springfield, MO

May 20, 2001Camden County, Missouri

NWS Springfield, MO issued this tornado warning at May 20, 2001, 8:38 PM CDT for Camden County, Missouri. It was in force for 37 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
May 20, 2001, 8:38 PM CDT (01:38 UTC)
Expired
May 20, 2001, 9:15 PM CDT
In force
37 min
Issued by
NWS Springfield, MO
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Camden County, MO

What was reported inside it

TimeReportWhereRemark
May 20, 9:05 PM CDTHail 1Climax Spgs, 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 nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.6 hours before the alert went out and 156 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 2001-05-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1724 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 2001-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 178 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
1724 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
670 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
178 m²/s²
0-3 km storm-relative helicity
232 m²/s²
Significant tornado parameter
1.7
Supercell composite
8.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KSGF 210138
TORSGF
MOC029-210215-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
838 PM CDT SUN MAY 20 2001

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN CAMDEN COUNTY IN CENTRAL MISSOURI

* UNTIL 915 PM CDT

* AT 834 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH A DEVELOPING TORNADO 10 MILES NORTHWEST OF
  MACKS CREEK...OR 17 MILES WEST OF CAMDENTON...MOVING EAST AT 35
  MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
   VILLAGE OF FOUR SEASONS BY 905 PM CDT.

THE TOWNS OF CLIMAX SPRINGS...BARNUMTON...PURVIS...HURRICANE DECK AND
SUNRISE BEACH ARE ALSO IN THE PATH OF THIS TORNADO.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING GOLF 
BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
SPRINGFIELD.

LAT...LON 3815 9309 3803 9306 3803 9258 3820 9269

HUDSON

The office that day

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

IssuedProductOfficeCountiesLasted
May 20, 7:24 PM CDTSevere Thunderstorm WarningSGFJasper, Newton51 min
May 20, 7:34 PM CDTSevere Thunderstorm WarningSGFHickory41 min
May 20, 7:54 PM CDTSevere Thunderstorm WarningSGFBenton51 min
May 20, 7:57 PM CDTTornado WarningSGFNewton48 min
May 20, 8:10 PM CDTSevere Thunderstorm WarningSGFHowell50 min
May 20, 8:13 PM CDTSevere Thunderstorm WarningSGFJasper47 min
May 20, 8:16 PM CDTSevere Thunderstorm WarningSGFBenton, Hickory44 min
May 20, 8:20 PM CDTTornado WarningSGFStone40 min
May 20, 8:30 PM CDTTornado WarningSGFHowell30 min
May 20, 8:40 PM CDTTornado WarningSGFChristian, Taney50 min
May 20, 8:54 PM CDTSevere Thunderstorm WarningSGFShannon51 min
May 20, 9:10 PM CDTSevere Thunderstorm WarningSGFLawrence50 min
May 20, 9:15 PM CDTTornado WarningSGFCamden, Miller45 min
May 20, 9:17 PM CDTFlash Flood WarningSGFNewton4 hr
May 20, 9:20 PM CDTSevere Thunderstorm WarningSGFMorgan40 min
May 20, 9:24 PM CDTTornado WarningSGFShannon51 min
May 20, 9:27 PM CDTSevere Thunderstorm WarningSGFDade48 min
May 20, 9:33 PM CDTFlash Flood WarningSGFShannon4 hr
May 20, 9:33 PM CDTSevere Thunderstorm WarningSGFBarry42 min
May 20, 9:36 PM CDTSevere Thunderstorm WarningSGFDent, Texas54 min
May 20, 9:45 PM CDTSevere Thunderstorm WarningSGFGreene, Polk45 min
May 20, 9:49 PM CDTFlash Flood WarningSGFTexas4 hr
May 20, 9:52 PM CDTSevere Thunderstorm WarningSGFCedar, St. Clair, Vernon38 min
May 20, 10:01 PM CDTSevere Thunderstorm WarningSGFChristian, Lawrence, Stone44 min
May 20, 10:02 PM CDTTornado WarningSGFMiller43 min
May 20, 10:26 PM CDTSevere Thunderstorm WarningSGFGreene34 min
May 20, 10:33 PM CDTFlash Flood WarningSGFBenton4 hr
May 20, 10:43 PM CDTFlash Flood WarningSGFGreene4 hr
May 20, 10:50 PM CDTFlash Flood WarningSGFDent4 hr

Nearby

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