Alert archive / Missouri / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 432, NWS St. Louis, MO

August 23, 2000Lincoln County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Aug 23, 2000, 10:58 PM CDT for Lincoln County, Missouri. It was in force for 62 min. 5 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 23, 2000, 10:58 PM CDT (03:58 UTC)
Expired
Aug 24, 2000, 12:00 AM CDT
In force
62 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Lincoln County, MO

What was reported inside it

TimeReportWhereRemark
Aug 23, 11:15 PM CDTThunderstorm Wind 60 EHawk Pt, MO
Aug 23, 11:20 PM CDTThunderstorm Wind 60 ESilex, MO
Aug 23, 11:20 PM CDTThunderstorm Wind 60 ETroy, MO
Aug 23, 11:20 PM CDTThunderstorm Wind 60 ETroy, MO
Aug 23, 11:22 PM CDTThunderstorm Wind 60 ETroy, MO

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
Aug 23, 9:45 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 4.0 hours before the alert went out and 236 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 2000-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1082 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 2000-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
1082 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
1541 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
27 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS St. Louis, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 23, 3:47 PM CDT, 7 hours 11 minutes earlier.

Area forecast discussion, Aug 23, 3:47 PM CDT, 7 hours 11 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ST LOUIS MO
330 PM WED AUG 23 2000

CONVECTION HAS BGN TO DVLP THIS AFTN IN NERN MO AND S CNTRL MO ALNG
OLD OUTFLOW BOUNDARIES S OF STNRY FNT EXTDG FM SRN NEBRASKA ENE THRU
NRN IL.  WKST CIN ACRS SRN MO AND A SMALL PORTION OF NERN MO WITH
CAPE OVR 4000 J/KG OVR PARTS OF NERN MO.  CONVECTION ACRS SRN MO
SHOULD BE DIURNAL...WKNG JUST AFT SUNSET...BUT ACTIVITY SHOULD BCM
MORE ORGANIZED ALONG STATIONARY FNT AS SHRTWV OVR NWRN IA ERN NE
DROPS SEWD THRU ERN MO IL LTR TGT.  MDLS DEPICT AN AREA OF UPR
DIVERGENCE ACRS ERN MO CNTRL SRN IL TGT IN RGT ENTRANCE REGION OF
ULJ STRK MOVG THRU OH VLY.  NGM...ETA AND MESOETA FAIRLY SIMILIAR
WITH HIGHEST QPF OVR NERN MO THIS EVNG DROPPING SEWD ALNG
MISSISSIPPI RVR.  18Z MESOETA SHOW INDICATIONS OF AN MCS WITH
CONVECTIVELY INDUCED VORT MAX AND OUTFLOW BOUNDARY...BUBBLE HI MOVG
SWD THRU ERN MO LT TGT.  WL INCRS POPS TGT WITH SEWD MOVG MCS
LIKELY.  PCPN CHANCES WL LIKELY SHIFT S THU AFTN AND EVNG WITH MCV
AND OUFLOW BOUNDARY...ALTHOUGH STNRY FNT WL PROBABLY ONLY DROP AS
FAR S AS NRN MO.  TEMPS SHOULD BE A COUPLE OF DGRS COOLER THU WITH
MRNG PCPN AND MCS CLOUD DEBRIS +INTO THE AFTN.

.STL...NONE
GKS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 23, 9:52 PM CDTSevere Thunderstorm WarningLSXMarion, Shelby38 min
Aug 23, 10:03 PM CDTSevere Thunderstorm WarningLSXAudrain, Monroe42 min
Aug 23, 10:03 PM CDTSevere Thunderstorm WarningLSXBoone42 min
Aug 23, 10:04 PM CDTSevere Thunderstorm WarningLSXRalls41 min
Aug 23, 10:36 PM CDTSevere Thunderstorm WarningLSXAudrain39 min
Aug 23, 10:40 PM CDTSevere Thunderstorm WarningLSXPike50 min
Aug 23, 10:45 PM CDTSevere Thunderstorm WarningLSXRalls30 min
Aug 23, 10:46 PM CDTSevere Thunderstorm WarningLSXMontgomery59 min
Aug 23, 11:02 PM CDTTornado WarningLSXMontgomery28 min
Aug 23, 11:07 PM CDTSevere Thunderstorm WarningLSXWarren53 min
Aug 23, 11:21 PM CDTSevere Thunderstorm WarningLSXSaint Charles54 min
Aug 23, 11:40 PM CDTSevere Thunderstorm WarningLSXSaint Louis, City of Saint Louis65 min
Aug 23, 11:45 PM CDTSevere Thunderstorm WarningLSXFranklin45 min
Aug 23, 11:57 PM CDTSevere Thunderstorm WarningLSXJefferson63 min
Aug 24, 1:36 AM CDTFlash Flood WarningLSXAudrain, Montgomery5 hr
Aug 24, 2:28 AM CDTFlash Flood WarningLSXFranklin, Warren5 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.