Alert archive / Missouri / Tornado Warnings in 2001

Tornado Warning 10, NWS Kansas City, MO

May 4, 2001Nodaway County, Missouri

NWS Kansas City, MO issued this tornado warning at May 4, 2001, 7:07 PM CDT for Nodaway County, Missouri. It was in force for 53 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 4, 2001, 7:07 PM CDT (00:07 UTC)
Expired
May 4, 2001, 8:00 PM CDT
In force
53 min
Issued by
NWS Kansas City, MO
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Nodaway County, MO

The radar

The Omaha radar (KOAX), 160 km from the middle of the area, began a volume at 00:10 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 4, 7:25 PM CDTTornado F0Graham, MOTrained spotter reported brief tornado touchdown to the south of Graham. There were no injuries or damage reported.

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

Topeka, KS (KTOP), launched 00:00Z, 0.1 hours before the alert went out and 154 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, Topeka, KS at 00:00Z on 2001-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 157 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, Topeka, KS at 00:00Z on 2001-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 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
157 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1636 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KEAX 050009
TORMCI
MOC147-050100-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
707 PM CDT FRI MAY 4 2001

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN NODAWAY COUNTY IN NORTHWEST MISSOURI

* UNTIL 800 PM CDT

* AT 707 PM CDT...ANDREW COUNTY SHERIFFS DEPUTY REPORTED A TORNADO 
10 MILES SOUTH OF GRAHAM...OR 5 MILES NORTH OF FILLMORE...MOVING 
NORTH AT 15 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  GRAHAM AT 735 PM CDT
  SKIDMORE AT 755 PM CDT
  MARYVILLE AT 800 PM CDT

THIS STORM HAS HAD A HISTORY OF PRODUCING NUMEROUS BUT VERY BRIEF 
TOUCHDOWNS ALONG COUNTY HIGHWAY H IN WESTERN ANDREW COUNTY.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
NOT BE OCCURRING WHEN THE WARNING IS ISSUED...BUT ONE IS EXPECTED TO
DEVELOP. IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE
INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM
WINDOWS. IF DRIVING...DO NOT DRIVE INTO THIS STORM AND DO NOT SEEK
SHELTER UNDER A HIGHWAY OVERPASS

LAT...LON 4042 9519 4013 9505 4013 9484 4041 9487

19

The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 7:49 PM CDTSevere Thunderstorm WarningEAXChariton41 min
May 4, 8:07 PM CDTTornado WarningEAXNodaway53 min
May 4, 8:11 PM CDTSevere Thunderstorm WarningEAXMacon64 min

Nearby

Tornado Warnings in Missouri, 2001Every tornado warning in 2001Tornadoes 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.