Alert archive / Missouri / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 151, NWS Springfield, MO

July 20, 20004 counties in Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Jul 20, 2000, 8:33 AM CDT for 4 counties in Missouri. It was in force for 42 min. 4 reports 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
Jul 20, 2000, 8:33 AM CDT (13:33 UTC)
Expired
Jul 20, 2000, 9:15 AM CDT
In force
42 min
Issued by
NWS Springfield, MO
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Barry County, MO, Christian County, MO, Stone County, MO, Taney County, MO

The radar

The Springfield radar (KSGF), 61 km from the middle of the area, began a volume at 13:35 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
Jul 20, 8:40 AM CDTThunderstorm WindPowell, MO
Jul 20, 8:45 AM CDTThunderstorm WindCrane, MO
Jul 20, 8:45 AM CDTThunderstorm WindSparta, MO
Jul 20, 9:00 AM CDTThunderstorm WindEagle Rock, 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 12:00Z, 1.6 hours before the alert went out and 20 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 12:00Z on 2000-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1500 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 12:00Z on 2000-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 232 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
1500 J/kg
Mixed-layer CIN
-116 J/kg
Mixed-layer LCL
550 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
232 m²/s²
0-3 km storm-relative helicity
271 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KSGF 201334
SVRSGF
MOC009-043-119-209-213-201415-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
833 AM CDT THU JUL 20 2000

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN TANEY COUNTY IN SOUTHWEST MISSOURI
  BARRY COUNTY IN SOUTHWEST MISSOURI
  EASTERN MCDONALD COUNTY IN SOUTHWEST MISSOURI
  STONE COUNTY IN SOUTHWEST MISSOURI
  CHRISTIAN COUNTY IN SOUTHWEST MISSOURI

* UNTIL 915 AM CDT

* AT 833 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS EXTENDING FROM POWELL TO CASSVILLE TO 
  5 MILES SOUTH OF NIXA...MOVING SOUTHEAST AT 30 MPH. THIS SEVERE 
  THUNDERSTORM WILL LIKELY PRODUCE DIME SIZE HAIL...AND DAMAGING 
  WINDS IN EXCESS OF 70 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   INDIAN POINT BY 835 AM CDT.
   AURORA BY 840 AM CDT.
   CRANE...GALENA...REEDS SPRING BY 845 AM CDT.
   MARIONVILLE BY 850 AM CDT.
   BILLINGS...CLEVER BY 910 AM CDT.

THE TOWNS OF JENKINS...WHEELERVILLE...ELSEY...HURLEY AND PONCE DE
LEON ARE ALSO IN THE PATH OF THIS STORM.

POWER LINES AND TREES WERE BLOWN OVER IN MCDONALD COUNTY. 

LAT...LON 3651 9433 3654 9334 3706 9290 3709 9358

TERRY

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 6:41 AM CDTSevere Thunderstorm WarningSGFBarton, Vernon34 min
Jul 20, 6:50 AM CDTFlash Flood WarningSGFBarton, Cedar, Dade4 hr
Jul 20, 7:15 AM CDTSevere Thunderstorm WarningSGFDade, Greene30 min
Jul 20, 8:14 AM CDTFlash Flood WarningSGFGreene, Polk3 hr
Jul 20, 8:33 AM CDTSevere Thunderstorm WarningSGFMcDonald42 min
Jul 20, 9:15 AM CDTSevere Thunderstorm WarningSGFDouglas, Ozark, Taney45 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; radar from the NEXRAD Level II archive.