Alert archive / Missouri / Tornado Warnings in 2000

Tornado Warning 5, NWS St. Louis, MO

February 25, 2000Ralls County, Missouri

NWS St. Louis, MO issued this tornado warning at Feb 25, 2000, 4:30 PM CST for Ralls County, Missouri. It was in force for 50 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 25, 2000, 4:30 PM CST (22:30 UTC)
Expired
Feb 25, 2000, 5:20 PM CST
In force
50 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Ralls County, MO

The radar

The St Louis radar (KLSX), 117 km from the middle of the area, began a volume at 22:32 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 25, 4:40 PM CSTThunderstorm Wind 60 EPerry, MOThunderstorm wind gusts caused damage in Perry. Trees and power lines were downed and some utility poles broken. Some storage sheds at homes were destroyed and a trailer at a construction site was destroyed.

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
Feb 25, 2:15 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 10.5 hours before the alert went out and 248 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, Davenport, at 12:00Z on 2000-02-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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, Davenport, at 12:00Z on 2000-02-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 229 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
3 J/kg
Mixed-layer CIN
-301 J/kg
Mixed-layer LCL
926 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
229 m²/s²
0-3 km storm-relative helicity
283 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 
TTAA00 KSTL 252232
TORSTL
MOC173-252320-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
430 PM CST FRI FEB 25 2000

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  RALLS COUNTY IN NORTHEASTERN MISSOURI

* UNTIL 520 PM CST

* AT 430 PM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO NORTH OF RUSH HILL IN NORTH CENTRAL AUDRAIN COUNTY...
  MOVING NORTHEAST AT 50 MPH.

* LOCATIONS IN THE PATH...
  PERRY
  CENTER
  NEW LONDON

IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER NOW! A
BASEMENT OFFERS THE BEST PROTECTION. IF NOT AVAILABLE...MOVE TO
THE LOWEST FLOOR AND SEEK SHELTER IN A SMALL INTERIOR ROOM. STAY
AWAY FROM OUTSIDE WALLS AND WINDOWS. MOBILE HOMES SHOULD BE
ABANDONED IN FAVOR OF A MORE SUBSTANTIAL STRUCTURE. DO NOT TRY TO
OUTRUN A TORNADO IN A VEHICLE

TRUETT/RP

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 25, 2:59 PM CSTSevere Thunderstorm WarningLSXMoniteau31 min
Feb 25, 3:19 PM CSTSevere Thunderstorm WarningLSXBoone, Cole51 min
Feb 25, 3:31 PM CSTTornado WarningLSXBoone44 min
Feb 25, 3:49 PM CSTTornado WarningLSXAudrain, Callaway46 min

Nearby

Tornado Warnings in Missouri, 2000Every tornado warning in 2000Tornadoes 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.