Alert archive / Missouri / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 189, NWS St. Louis, MO

May 26, 2000Knox County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at May 26, 2000, 9:32 PM CDT for Knox County, Missouri. It was in force for 43 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 26, 2000, 9:32 PM CDT (02:32 UTC)
Expired: May 26, 2000, 10:15 PM CDT
In force: 43 min
Issued by: NWS St. Louis, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Knox County, MO

The radar

The St Louis radar (KLSX), 209 km from the middle of the area, began a volume at 02:32 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

Time	Report	Where	Remark
May 26, 9:50 PM CDT	Thunderstorm Wind 55 E	Edina, MO	Law enforcement officials reported a carport blown over and power lines down north of Edina.

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

Davenport, (KDVN), launched 00:00Z, 2.5 hours before the alert went out and 214 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 829 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 306 m²/s²
0-3 km storm-relative helicity: 839 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.

238 
WUUS53 KLSX 270233
SVRSTL
MOC103-270315-

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

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  KNOX COUNTY IN NORTHEAST MISSOURI

* UNTIL 1015 PM CDT

* AT 932 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED SEVERE
  THUNDERSTORMS ALONG A LINE AROUND 10 MILES WEST OF EDINA...
  MOVING EAST AT 40 MPH.

* LOCATIONS THAT WILL BE AFFECTED...
  HURDLAND
  NOVELTY
  BARING
  KNOX CITY

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 4032 9234 4014 9237 3996 9237 3997 9196
          4019 9196 4031 9196

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 7:33 PM CDT	Severe Thunderstorm Warning	LSX	Crawford	42 min
May 26, 8:18 PM CDT	Severe Thunderstorm Warning	LSX	Washington	42 min
May 26, 9:25 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Shelby	50 min
May 26, 9:25 PM CDT	Severe Thunderstorm Warning	LSX	Audrain	50 min
May 26, 9:41 PM CDT	Severe Thunderstorm Warning	LSX	Boone	49 min
May 26, 9:53 PM CDT	Tornado Warning	LSX	Monroe	37 min
May 26, 9:56 PM CDT	Severe Thunderstorm Warning	LSX	Audrain, Marion, Ralls	49 min
May 26, 9:56 PM CDT	Severe Thunderstorm Warning	LSX	Lewis	49 min
May 26, 10:17 PM CDT	Severe Thunderstorm Warning	LSX	Boone, Callaway	43 min
May 26, 10:18 PM CDT	Severe Thunderstorm Warning	LSX	Audrain	27 min
May 26, 10:22 PM CDT	Severe Thunderstorm Warning	LSX	Pike	38 min
May 26, 10:49 PM CDT	Tornado Warning	LSX	Pike	26 min
May 27, 12:30 AM CDT	Flash Flood Warning	LSX	Boone, Callaway, Cole, Moniteau, Osage	6 hr

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.