Alert archive / Missouri / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 2, NWS Springfield, MO

February 9, 2001McDonald County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Feb 9, 2001, 3:51 AM CST for McDonald County, Missouri. It was in force for 39 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
Feb 9, 2001, 3:51 AM CST (09:51 UTC)
Expired
Feb 9, 2001, 4:30 AM CST
In force
39 min
Issued by
NWS Springfield, MO
Area
Whole counties; the outline is the Mesonet’s reconstruction

County McDonald County, MO

The radar

The Tulsa radar (KINX), 98 km from the middle of the area, began a volume at 09:52 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
Feb 9, 4:10 AM CSTThunderstorm WindAnderson, 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, 9.9 hours before the alert went out and 79 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 2001-02-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 69 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 2001-02-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 362 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
69 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
556 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
362 m²/s²
0-3 km storm-relative helicity
399 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 090952
SVRSGF
MOC119-091030-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
351 AM CST FRI FEB 9 2001

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MCDONALD COUNTY IN MISSOURI

* UNTIL 430 AM CST

* AT 350 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM NEAR SOUTH WEST CITY...OR 11 MILES WEST OF     
  GRAVETTE...MOVING NORTHEAST AT 55 MPH. THIS SEVERE THUNDERSTORM    
  WILL LIKELY PRODUCE HAIL TO THE SIZE OF NICKELS...AND WINDS IN     
  EXCESS OF 60 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   PINEVILLE...LANAGAN...ANDERSON BY 400 AM CST.
   GOODMAN BY 405 AM CST.

THE TOWN OF POWELL IS ALSO IN THE PATH OF THIS STORM.

ISEVERE THUNDERSTORMS PRODUCE LARGE DAMAGING HAIL...DAMAGING 
WINDS...FREQUENT CLOUD TO GROUND LIGHTNING...AND VERY HEAVY RAIN.

LAT...LON 3645 9480 3633 9464 3661 9412 3678 9441

TERRY

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 8, 6:00 PM CSTFlash Flood WarningSGFCedar, St. Clair, Vernon3 hr
Feb 9, 4:12 AM CSTSevere Thunderstorm WarningSGFNewton33 min
Feb 9, 4:25 AM CSTSevere Thunderstorm WarningSGFBarry, Lawrence50 min
Feb 9, 4:30 AM CSTSevere Thunderstorm WarningSGFMcDonald30 min
Feb 9, 4:58 AM CSTSevere Thunderstorm WarningSGFChristian, Greene47 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.