Alert archive / Missouri / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 183, NWS St. Louis, MO

May 24, 2000Iron County, Reynolds County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at May 24, 2000, 7:23 AM CDT for Iron County, Reynolds County, Missouri. It was in force for 52 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, 7:23 AM CDT (12:23 UTC)
Expired: May 24, 2000, 8:15 AM CDT
In force: 52 min
Issued by: NWS St. Louis, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Iron County, MO, Reynolds County, MO

The radar

The St Louis radar (KLSX), 131 km from the middle of the area, began a volume at 12:25 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, 0.4 hours before the alert went out and 274 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.

843 
WUUS53 KLSX 241225
SVRSTL
MOC093-179-241315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
723 AM CDT WED MAY 24 2000

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  REYNOLDS COUNTY IN SOUTHEAST MISSOURI
  IRON COUNTY IN SOUTHEAST MISSOURI

* UNTIL 815 AM CDT

* AT 723 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE   
  THUNDERSTORM 21 MILES NORTHWEST OF IRONTON..MOVING SOUTHEAST AT
  50 MPH.

* LOCATIONS THAT WILL BE AFFECTED...
  ARCADIA
  ANNAPOLIS
  BLACK
  IRONTON
  BELLEVIEW
  LESTERVILLE

THE PRIMARY THREAT POSED BY THIS STORM IS DAMAGING WINDS. MOVE
QUICKLY TO THE INTERIOR PORTION OF A STURDY SHELTER...AND STAY AWAY
FROM OUTSIDE WALLS AND WINDOWS.

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

LAT...LON 3774 9077 3774 9109 3706 9097 3728 9069
          3758 9055

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, 7:47 AM CDT	Tornado Warning	LSX	Iron	28 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

Severe Thunderstorm Warnings in Missouri, 2000 Every severe thunderstorm warning 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.