Alert archive / Missouri / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 21, NWS Springfield, MO

April 2, 2001Barton County, Dade County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Apr 2, 2001, 1:53 PM CDT for Barton County, Dade County, Missouri. It was in force for 37 min. 2 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: Apr 2, 2001, 1:53 PM CDT (18:53 UTC)
Expired: Apr 2, 2001, 2:30 PM CDT
In force: 37 min
Issued by: NWS Springfield, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Barton County, MO, Dade County, MO

The radar

The Springfield radar (KSGF), 66 km from the middle of the area, began a volume at 18:56 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

Time	Report	Where	Remark
Apr 2, 2:09 PM CDT	Hail 0.75	Golden City, MO
Apr 2, 2:20 PM CDT	Hail 0.75	Neola, 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, 6.9 hours before the alert went out and 68 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1012 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 324 m²/s²
0-3 km storm-relative helicity: 297 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KSGF 021856
SVRSGF
MOC011-057-021930-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
153 PM CDT MON APR 2 2001

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DADE COUNTY IN SOUTHWEST MISSOURI
  SOUTHEASTERN BARTON COUNTY IN SOUTHWEST MISSOURI

* UNTIL 230 PM CDT

* AT 151 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A SEVERE THUNDERSTORM NEAR LAMAR...MOVING EAST AT 35 MPH. THIS     
  SEVERE THUNDERSTORM WILL LIKELY PRODUCE HAIL TO THE SIZE OF        
  QUARTERS...AND WINDS IN EXCESS OF 60 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   GOLDEN CITY BY 200 PM CDT.
   LOCKWOOD BY 215 PM CDT.
   GREENFIELD BY 225 PM CDT.

THE TOWNS OF KENOMA...BOSTON...SYLVANIA...NEOLA AND SOUTH GREENFIELD
ARE ALSO IN THE PATH OF THIS STORM.

GO INSIDE A STURDY SHELTER AWAY FROM WINDOWS. REMEMBER...SEVERE
TH2UNDERSTORMS PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDS...FREQUENT
CLOUD TO GROUND LIGHTNING...AND VERY HEAVY RAIN.

LAT...LON 3754 9432 3736 9433 3733 9374 3755 9374

GAEDE

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 2, 9:17 AM CDT	Severe Thunderstorm Warning	SGF	Newton	28 min
Apr 2, 1:18 PM CDT	Severe Thunderstorm Warning	SGF	Barton	42 min
Apr 2, 2:27 PM CDT	Severe Thunderstorm Warning	SGF	Dade, Greene, Polk	33 min
Apr 2, 2:55 PM CDT	Severe Thunderstorm Warning	SGF	Dallas, Polk	35 min
Apr 2, 3:30 PM CDT	Severe Thunderstorm Warning	SGF	Dallas	30 min
Apr 2, 4:57 PM CDT	Severe Thunderstorm Warning	SGF	Camden, Dallas	33 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2001 Every 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.