Alert archive / Missouri / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 296, NWS St. Louis, MO

June 26, 2000Saint Louis County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 26, 2000, 12:55 AM CDT for Saint Louis County, Missouri. It was in force for 65 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: Jun 26, 2000, 12:55 AM CDT (05:55 UTC)
Expired: Jun 26, 2000, 2:00 AM CDT
In force: 65 min
Issued by: NWS St. Louis, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Saint Louis County, MO

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 25, 10:45 PM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 5.9 hours before the alert went out and 215 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: 752 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 1190 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 13 m²/s²
0-3 km storm-relative helicity: 35 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 
WUUS53 KLSX 260557
SVRSTL
ILC083-MOC183-189-260700-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1255 AM CDT MON JUN 26 2000

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI
  ST. LOUIS COUNTY IN EAST CENTRAL MISSOURI
  JERSEY COUNTY IN WEST CENTRAL ILLINOIS

* UNTIL 200 AM CDT

* AT 1255 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 14 MILES NORTHWEST OF JERSEYVILLE
  TO 17 MILES WEST OF EUREKA...MOVING EAST AT 30 MPH.

* LOCATIONS IN THE PATH...
  ST. PETERS
  WELDON SPRING
  HARVESTER
  WILDWOOD
  CHESTERFIELD
  CLARKSON VALLEY
  ST. CHARLES
  GRAFTON
  ELLISVILLE
  EUREKA

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 3919 9060 3846 9075 3849 9052 3845 9035
          3896 9026 3923 9016

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 25, 8:49 PM CDT	Severe Thunderstorm Warning	LSX	Knox	41 min
Jun 25, 9:14 PM CDT	Severe Thunderstorm Warning	LSX	Shelby	61 min
Jun 25, 9:19 PM CDT	Severe Thunderstorm Warning	LSX	Monroe	41 min
Jun 25, 9:32 PM CDT	Severe Thunderstorm Warning	LSX	Knox, Lewis	58 min
Jun 25, 9:58 PM CDT	Severe Thunderstorm Warning	LSX	Audrain, Boone	62 min
Jun 25, 10:02 PM CDT	Severe Thunderstorm Warning	LSX	Marion	43 min
Jun 25, 10:11 PM CDT	Tornado Warning	LSX	Marion	34 min
Jun 25, 10:28 PM CDT	Severe Thunderstorm Warning	LSX	Moniteau	62 min
Jun 25, 10:37 PM CDT	Severe Thunderstorm Warning	LSX	Callaway, Cole	53 min
Jun 25, 10:37 PM CDT	Severe Thunderstorm Warning	LSX	Audrain	53 min
Jun 25, 10:50 PM CDT	Severe Thunderstorm Warning	LSX	Pike, Ralls	40 min
Jun 25, 11:13 PM CDT	Severe Thunderstorm Warning	LSX	Osage	47 min
Jun 25, 11:17 PM CDT	Tornado Warning	LSX	Pike	43 min
Jun 25, 11:24 PM CDT	Severe Thunderstorm Warning	LSX	Montgomery	66 min
Jun 25, 11:32 PM CDT	Severe Thunderstorm Warning	LSX	Gasconade, Warren	43 min
Jun 25, 11:32 PM CDT	Severe Thunderstorm Warning	LSX	Lincoln	43 min
Jun 25, 11:59 PM CDT	Tornado Warning	LSX	Lincoln, Pike	46 min
Jun 26, 12:14 AM CDT	Severe Thunderstorm Warning	LSX	Franklin, Lincoln, Saint Charles, Warren	61 min
Jun 26, 12:14 AM CDT	Severe Thunderstorm Warning	LSX	Gasconade	61 min
Jun 26, 12:55 AM CDT	Severe Thunderstorm Warning	LSX	Saint Charles	65 min
Jun 26, 1:34 AM CDT	Severe Thunderstorm Warning	LSX	Jefferson	41 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.