Alert archive / Missouri / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 213, NWS St. Louis, MO

June 12, 2000Madison County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Jun 12, 2000, 6:56 PM CDT for Madison County, Missouri. It was in force for 49 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
Jun 12, 2000, 6:56 PM CDT (23:56 UTC)
Expired
Jun 12, 2000, 7:45 PM CDT
In force
49 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Madison County, MO

The radar

The St Louis radar (KLSX), 139 km from the middle of the area, began a volume at 23:57 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.

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 11.9 hours before the alert went out and 297 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, Little Rock, AR at 12:00Z on 2000-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 174 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, Little Rock, AR at 12:00Z on 2000-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
174 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
1117 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
22 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Jun 12, 3:11 PM CDT, 3 hours 45 minutes earlier.

Area forecast discussion, Jun 12, 3:11 PM CDT, 3 hours 45 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ST LOUIS MO
310 PM CDT MON JUN 12 2000

MAIN CONCERNS THIS PKG TO BE POPS AND TEMPS. MDLS INITIALIZED WELL
WITH WK S/WV IN 50H FLOW MOVG NE OVR LWR MO VLY AT 12Z WITH STGR WV
MOVG OUT OF NRN RCKY MTNS INTO NRN PLNS. SAT LOOPS SHWG TROP PLUME
STILL IN PLACE OVR RGN ALTHO SOMEWHAT LESS DAYTIME CLDNS THAN PREV
TWO DAYS. PW'S OVR RGN STIL IN 1.75-2.0 IN RANGE BUT CORE OF MSTR IS
MOVG E. SHRA HV DVLPD OVR FA BY ERLY AFTN WITH INDIVIDUAL CELLS MOVG
NE ABT 30MPH.

MDLS HV DIFFERING SOLNS TO MVMT OF NXT S/WV BY 48H WITH AVN THE
SLOWEST AND NGM A LTL TOO FAR S. ETA/MESOETA TAKES MIDDLE TRACK AND
THIS MDL HAS BEEN DOING WELL WITH TROP AIR MASS SO WL USE THOSE VALS
FOR MOST PART.

FNTL BNDRY LIES E-W ACRS SRN IA TO N OF FA AND NOT XPCTD TO MV ANY
TO S. CNVCTV PCPN TO INCRS THIS AFTN INTO EVE AS ATMS DESTABILIZES
WITH HTG BUT LTL SHR AND WBZ VERY HIGH SO SVR/HAIL CHCS MINIMAL TDA.
SFC PRES GRAD INCRS TNGT AND WL UP WNDS IN ZNS FOR TUE. WL CONT
MENTN OF POPS ALL PDS XCPT SE TUE NGT. SFC LO BCMS ORGANIZED OVR
CTRL PLNS ON TUE AND MVS NE WITH CFNT ENTERING ST LT TUE AND INTO
KSTL VCNTY BY LT WED EVE. XPCT SQLN DVLPMT ON WED AHD OF FNT WITH
GOOD UPR LVL DIVRNGC AND AMPLE MSTR AVBL.

TEMPS ON TUE LK A LTL TOO WRM GIVEN CLD CVR AND BETTER MIXING WITH
STGR SFC WNDS SO WL GO A CAT BLO GUID FOR HIGHS TUE. WL UP POPS TO
LIKELY ON WED GIVEN DYNAMICS OF NEXT SYSTEM.

.STL...NONE.

WDB

G

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; radar from the NEXRAD Level II archive.