Alert archive / Missouri / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 101, NWS Springfield, MO

May 6, 2001Barry County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at May 6, 2001, 8:14 PM CDT for Barry County, Missouri. It was in force for 46 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 6, 2001, 8:14 PM CDT (01:14 UTC)
Expired
May 6, 2001, 9:00 PM CDT
In force
46 min
Issued by
NWS Springfield, MO
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Barry County, MO

The radar

The Springfield radar (KSGF), 72 km from the middle of the area, began a volume at 01:17 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
May 6, 8:55 PM CDTThunderstorm WindPleasant Ridge, 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
May 6, 7:00 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.2 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 00:00Z on 2001-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1030 joules per kilogram.LCLEL10008507005003002001001 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 2001-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.193958Sfc1 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
1030 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
1283 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
253 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.

000 
WUUS53 KSGF 070114
SVRSGF
MOC009-070200-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
814 PM CDT SUN MAY 6 2001

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN AND WESTERN BARRY COUNTY IN SOUTHWEST MISSOURI

* UNTIL 900 PM CDT

* AT 812 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM FAIRVIEW TO
  EXETER...MOVING NORTHEAST AT 30 MPH. THIS SEVERE THUNDERSTORM WILL
  LIKELY PRODUCE HAIL TO THE SIZE OF NICKELS...AND WINDS IN EXCESS OF
  60 MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
   PURDY BY 825 PM CDT.
   MONETT BY 835 PM CDT.

THE TOWNS OF RIDGLEY...WAYNE...PIONEER...BUTTERFIELD AND MCDOWELL ARE
ALSO IN THE PATH OF THESE STORMS.

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN PRODUCE TORNADOS WITH LITTLE ADVANCE
WARNING.

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

LAT...LON 3672 9410 3656 9390 3692 9363 3692 9407

HUDSON

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 7:08 PM CDTSevere Thunderstorm WarningSGFBarry52 min
May 6, 7:33 PM CDTSevere Thunderstorm WarningSGFLaclede57 min
May 6, 7:38 PM CDTSevere Thunderstorm WarningSGFMcDonald, Newton67 min
May 6, 8:15 PM CDTSevere Thunderstorm WarningSGFCedar, St. Clair, Vernon45 min
May 6, 8:34 PM CDTSevere Thunderstorm WarningSGFDade, Polk41 min
May 6, 8:45 PM CDTSevere Thunderstorm WarningSGFLawrence45 min
May 6, 8:47 PM CDTSevere Thunderstorm WarningSGFBarton58 min
May 6, 9:00 PM CDTSevere Thunderstorm WarningSGFCedar, St. Clair, Vernon60 min
May 6, 9:00 PM CDTSevere Thunderstorm WarningSGFHickory60 min
May 6, 9:02 PM CDTTornado WarningSGFChristian, Lawrence43 min
May 6, 9:13 PM CDTSevere Thunderstorm WarningSGFDade, Polk62 min
May 6, 9:20 PM CDTSevere Thunderstorm WarningSGFStone25 min
May 6, 9:36 PM CDTSevere Thunderstorm WarningSGFChristian, Taney39 min
May 6, 9:39 PM CDTSevere Thunderstorm WarningSGFCamden66 min
May 6, 9:40 PM CDTSevere Thunderstorm WarningSGFGreene50 min
May 6, 10:02 PM CDTTornado WarningSGFChristian, Webster43 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2001Every severe thunderstorm warning 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.