Alert archive / Missouri / Tornado Warnings in 2000

Tornado Warning 21, NWS St. Louis, MO

May 24, 2000Iron County, Missouri

NWS St. Louis, MO issued this tornado warning at May 24, 2000, 7:47 AM CDT for Iron County, Missouri. It was in force for 28 min. No storm report in the archive falls 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.

The facts

Issued: May 24, 2000, 7:47 AM CDT (12:47 UTC)
Expired: May 24, 2000, 8:15 AM CDT
In force: 28 min
Issued by: NWS St. Louis, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Iron County, MO

The radar

The St Louis radar (KLSX), 136 km from the middle of the area, began a volume at 12:51 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.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 0.8 hours before the alert went out and 281 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: 1070 J/kg
Mixed-layer CIN: -309 J/kg
Mixed-layer LCL: 1437 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 219 m²/s²
0-3 km storm-relative helicity: 255 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

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

125 
WFUS53 KLSX 241248
TORSTL
MOC093-241315-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
747 AM CDT WED MAY 24 2000

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  IRON COUNTY IN SOUTHEAST MISSOURI

* UNTIL 815 AM CDT

* AT 747 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO 7
  MILES SOUTHWEST OF ARCADIA...MOVING SOUTHEAST AT 45 MPH.

* LOCATIONS IN THE PATH...
  ANNAPOLIS
  HOGAN
  CHLORIDE
  SABULA
  GLOVER

IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER NOW A BASEMENT
OFFERS THE BEST PROTECTION. IF A BASEMENT IS 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.

LAT...LON 3765 9072 3754 9090 3741 9078 3728 9075
          3732 9058 3749 9056

The office that day

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

Issued	Product	Office	Counties	Lasted
May 24, 4:43 AM CDT	Severe Thunderstorm Warning	LSX	Boone, Moniteau	32 min
May 24, 5:24 AM CDT	Severe Thunderstorm Warning	LSX	Callaway	36 min
May 24, 5:38 AM CDT	Severe Thunderstorm Warning	LSX	Gasconade, Osage	52 min
May 24, 7:01 AM CDT	Severe Thunderstorm Warning	LSX	Crawford, Washington	59 min
May 24, 7:23 AM CDT	Severe Thunderstorm Warning	LSX	Iron, Reynolds	52 min
May 24, 7:58 AM CDT	Severe Thunderstorm Warning	LSX	Madison	47 min
May 24, 8:12 AM CDT	Tornado Warning	LSX	Iron	18 min

Nearby

Tornado Warnings in Missouri, 2000 Every tornado warning in 2000 Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.