Alert archive / Missouri / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 185, NWS St. Louis, MO

May 26, 2000Crawford County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at May 26, 2000, 7:33 PM CDT for Crawford County, Missouri. It was in force for 42 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 26, 2000, 7:33 PM CDT (00:33 UTC)
Expired
May 26, 2000, 8:15 PM CDT
In force
42 min
Issued by
NWS St. Louis, MO
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Crawford County, MO

The radar

The St Louis radar (KLSX), 99 km from the middle of the area, began a volume at 00:35 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 00:00Z, 0.6 hours before the alert went out and 247 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, Springfield, MO at 00:00Z on 2000-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1527 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2000-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 125 square meters per square second.1939587897Sfc1 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
1527 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
1270 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
125 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
1.0
Supercell composite
10.2

Open this sounding in Storm Lab

The text

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

906 
WUUS53 KLSX 270035
SVRSTL
MOC055-270115-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
733 PM CDT FRI MAY 26 2000

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CRAWFORD COUNTY IN EAST CENTRAL MISSOURI

* UNTIL 815 PM CDT

* AT 733 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM 11 MILES SOUTHWEST OF STEELVILLE..MOVING NORTHEAST AT
  35 MPH.

* LOCATIONS THAT WILL BE AFFECTED...
  STEELVILLE
  CUBA
  LEASBURG
  BOURBON
  ST. CLOUD
  HUZZAH STATE FOREST

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME
OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO
AREAS WHERE WATER COVERS THE ROAD.

LAT...LON 3791 9164 3777 9151 3800 9109 3813 9110
          3821 9119

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 8:18 PM CDTSevere Thunderstorm WarningLSXWashington42 min
May 26, 9:25 PM CDTSevere Thunderstorm WarningLSXMonroe, Shelby50 min
May 26, 9:25 PM CDTSevere Thunderstorm WarningLSXAudrain50 min
May 26, 9:32 PM CDTSevere Thunderstorm WarningLSXKnox43 min
May 26, 9:41 PM CDTSevere Thunderstorm WarningLSXBoone49 min
May 26, 9:53 PM CDTTornado WarningLSXMonroe37 min
May 26, 9:56 PM CDTSevere Thunderstorm WarningLSXAudrain, Marion, Ralls49 min
May 26, 9:56 PM CDTSevere Thunderstorm WarningLSXLewis49 min
May 26, 10:17 PM CDTSevere Thunderstorm WarningLSXBoone, Callaway43 min
May 26, 10:18 PM CDTSevere Thunderstorm WarningLSXAudrain27 min
May 26, 10:22 PM CDTSevere Thunderstorm WarningLSXPike38 min
May 26, 10:49 PM CDTTornado WarningLSXPike26 min
May 27, 12:30 AM CDTFlash Flood WarningLSXBoone, Callaway, Cole, Moniteau, Osage6 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 2000Every 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.