Alert archive / Missouri / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 71, NWS Springfield, MO

April 20, 2000Maries County, Miller County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Apr 20, 2000, 3:05 AM CDT for Maries County, Miller County, Missouri. It was in force for 55 min. 6 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, 3:05 AM CDT (08:05 UTC)
Expired
Apr 20, 2000, 4:00 AM CDT
In force
55 min
Issued by
NWS Springfield, MO
Area
Whole counties

Counties Maries County, MO, Miller County, MO

What was reported inside it

TimeReportWhereRemark
Apr 20, 3:10 AM CDTThunderstorm WindEldon, MO
Apr 20, 3:15 AM CDTThunderstorm WindUlman, MO
Apr 20, 3:19 AM CDTThunderstorm Wind 52 EIberia, MO
Apr 20, 3:20 AM CDTThunderstorm WindSt Anthony, MO
Apr 20, 3:20 AM CDTThunderstorm WindMarys Home, MO
Apr 20, 3:57 AM CDTThunderstorm Wind 57 MVichy, 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, 10:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 8.1 hours before the alert went out and 203 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°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 
WUUS53 KSGF 200806
SVRSGF
MOC125-131-161-200900-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
305 AM CDT THU APR 20 2000

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MARIES COUNTY IN CENTRAL MISSOURI
  PHELPS COUNTY IN EAST CENTRAL MISSOURI
  MILLER COUNTY IN CENTRAL MISSOURI

* UNTIL 400 AM CDT

* AT 302 AM CDT...TRAINED WEATHER SPOTTERS REPORTED SEVERE
  THUNDERSTORMS ALONG A LINE EXTENDING FROM LAKELAND TO 9 MILES      
  NORTHWEST OF CROCKER TO 9 MILES EAST OF FORT LEONARD               
  WOOD...MOVING NORTHEAST AT 70 MPH. THIS SEVERE THUNDERSTORM WILL   
  LIKELY PRODUCE WINDS IN EXCESS OF 70 MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
   ROLLA...DOOLITTLE...NEWBURG BY 315 AM CDT.
   ST. JAMES BY 320 AM CDT.
   VIENNA BY 325 AM CDT.

OTHER LOCATIONS IN THE PATH OF THESE STORMS INCLUDE...LAKESIDE...
LAKEVIEW...BRUMLEY...BAGNELL AND EDGAR SPRINGS.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE
FOR DAMAGING WINDS...LARGE HAIL...AND FREQUENT CLOUD TO GROUND
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY 
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

JLT

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, 1:31 AM CDTTornado WarningSGFBarton, Cedar, Dade29 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 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

Severe Thunderstorm Warnings in Missouri, 2000Every severe thunderstorm warning 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.