Alert archive / Missouri / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 130, NWS St. Louis, MO

May 9, 2000Gasconade County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at May 9, 2000, 1:41 AM CDT for Gasconade County, Missouri. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 9, 2000, 1:41 AM CDT (06:41 UTC)
Expired
May 9, 2000, 2:15 AM CDT
In force
34 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Gasconade County, MO

The watch it was issued in

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

IssuedProductOfficeLasted
May 9, 12:00 AM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 6.7 hours before the alert went out and 265 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 2000-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1344 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2000-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.193958Sfc1 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
1344 J/kg
Mixed-layer CIN
-143 J/kg
Mixed-layer LCL
1790 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.5

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KLSX 090644
SVRSTL
MOC073-090715-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
141 AM CDT TUE MAY 9 2000

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

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

* UNTIL 215 AM CDT

* AT 141 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED SEVERE
  THUNDERSTORMS MOVING EAST AT 40 MPH ACROSS GASCONADE COUNTY.

* LOCATIONS AFFECTED...
  HERMANN
  DRAKE
  OWENSVILLE

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER
AWAY FROM CREEK BEDS AND OTHER FLOOD PRONE AREAS. REMEMBER...A SEVERE
THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDS IN
EXCESS OF 60 MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN.

EL/GKS/RP

The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 7:08 PM CDTSevere Thunderstorm WarningLSXBoone52 min
May 8, 7:42 PM CDTSevere Thunderstorm WarningLSXAudrain48 min
May 8, 7:52 PM CDTSevere Thunderstorm WarningLSXKnox38 min
May 8, 7:55 PM CDTSevere Thunderstorm WarningLSXBoone50 min
May 8, 8:08 PM CDTSevere Thunderstorm WarningLSXAudrain, Callaway52 min
May 8, 8:12 PM CDTSevere Thunderstorm WarningLSXMoniteau48 min
May 8, 8:22 PM CDTSevere Thunderstorm WarningLSXLewis53 min
May 8, 8:36 PM CDTSevere Thunderstorm WarningLSXCole39 min
May 8, 8:38 PM CDTSevere Thunderstorm WarningLSXPike, Ralls52 min
May 8, 9:10 PM CDTSevere Thunderstorm WarningLSXMontgomery50 min
May 8, 9:57 PM CDTSevere Thunderstorm WarningLSXLincoln48 min
May 8, 10:38 PM CDTSevere Thunderstorm WarningLSXMoniteau37 min
May 8, 11:31 PM CDTSevere Thunderstorm WarningLSXCallaway44 min
May 9, 12:04 AM CDTSevere Thunderstorm WarningLSXBoone, Moniteau46 min
May 9, 1:01 AM CDTSevere Thunderstorm WarningLSXCole44 min
May 9, 1:49 AM CDTSevere Thunderstorm WarningLSXFranklin, Warren41 min
May 9, 1:19 PM CDTSevere Thunderstorm WarningLSXMadison36 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; the sounding from the Mesonet's radiosonde archive.