Alert archive / Missouri / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 293, NWS St. Louis, MO

June 26, 2000Gasconade County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 26, 2000, 12:14 AM CDT for Gasconade County, Missouri. It was in force for 61 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
Jun 26, 2000, 12:14 AM CDT (05:14 UTC)
Expired
Jun 26, 2000, 1:15 AM CDT
In force
61 min
Issued by
NWS St. Louis, MO
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Gasconade County, MO

What was reported inside it

TimeReportWhereRemark
Jun 26, 12:19 AM CDTThunderstorm Wind 52 ETroy, MOLocal law enforcement reported power lines down.

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 watch it was issued in

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

IssuedProductOfficeLasted
Jun 25, 10:45 PM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 5.2 hours before the alert went out and 251 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, Lincoln, IL at 00:00Z on 2000-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 752 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, Lincoln, IL at 00:00Z on 2000-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.1939Sfc1 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
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 260516
SVRSTL
ILC013-MOC071-073-113-183-219-260615-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1214 AM CDT MON JUN 26 2000

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FRANKLIN COUNTY IN EAST CENTRAL MISSOURI
  GASCONADE COUNTY IN EAST CENTRAL MISSOURI
  LINCOLN COUNTY IN EAST CENTRAL MISSOURI
  WESTERN ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI
  WARREN COUNTY IN EAST CENTRAL MISSOURI
  CALHOUN COUNTY IN WEST CENTRAL ILLINOIS

* UNTIL 115 AM CDT

* AT 1214 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM ELSBERRY TO BLAND...MOVING EAST
  AT 35 MPH.

* LOCATIONS IN THE PATH...
  ELSBERRY
  NEW HAVEN
  TRELOAR
  MOSCOW MILLS
  ROSEBUD
  WRIGHT CITY
  GERALD
  MARTHASVILLE
  WINFIELD
  BEAUFORT
  NEW MELLE
  O'FALLON
  WASHINGTON

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 3923 9096 3865 9129 3825 9177 3822 9118
          3823 9080 3862 9076 3871 9064 3893 9052
          3939 9063 3925 9074

FG

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 8:49 PM CDTSevere Thunderstorm WarningLSXKnox41 min
Jun 25, 9:14 PM CDTSevere Thunderstorm WarningLSXShelby61 min
Jun 25, 9:19 PM CDTSevere Thunderstorm WarningLSXMonroe41 min
Jun 25, 9:32 PM CDTSevere Thunderstorm WarningLSXKnox, Lewis58 min
Jun 25, 9:58 PM CDTSevere Thunderstorm WarningLSXAudrain, Boone62 min
Jun 25, 10:02 PM CDTSevere Thunderstorm WarningLSXMarion43 min
Jun 25, 10:11 PM CDTTornado WarningLSXMarion34 min
Jun 25, 10:28 PM CDTSevere Thunderstorm WarningLSXMoniteau62 min
Jun 25, 10:37 PM CDTSevere Thunderstorm WarningLSXCallaway, Cole53 min
Jun 25, 10:37 PM CDTSevere Thunderstorm WarningLSXAudrain53 min
Jun 25, 10:50 PM CDTSevere Thunderstorm WarningLSXPike, Ralls40 min
Jun 25, 11:13 PM CDTSevere Thunderstorm WarningLSXOsage47 min
Jun 25, 11:17 PM CDTTornado WarningLSXPike43 min
Jun 25, 11:24 PM CDTSevere Thunderstorm WarningLSXMontgomery66 min
Jun 25, 11:32 PM CDTSevere Thunderstorm WarningLSXGasconade, Warren43 min
Jun 25, 11:32 PM CDTSevere Thunderstorm WarningLSXLincoln43 min
Jun 25, 11:59 PM CDTTornado WarningLSXLincoln, Pike46 min
Jun 26, 12:14 AM CDTSevere Thunderstorm WarningLSXFranklin, Lincoln, Saint Charles, Warren61 min
Jun 26, 12:55 AM CDTSevere Thunderstorm WarningLSXSaint Charles65 min
Jun 26, 12:55 AM CDTSevere Thunderstorm WarningLSXSaint Louis65 min
Jun 26, 1:34 AM CDTSevere Thunderstorm WarningLSXJefferson41 min

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.