Alert archive / Missouri / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 13, NWS St. Louis, MO

March 8, 2009Lincoln County, Saint Charles County, Warren County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Mar 8, 2009, 10:19 AM CDT for Lincoln County, Saint Charles County, Warren County, Missouri. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Mar 8, 2009, 10:19 AM CDT (15:19 UTC)
Expired
Mar 8, 2009, 10:45 AM CDT
In force
26 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon

Counties Lincoln County, MO, Saint Charles County, MO, Warren County, MO

The radar

The St Louis radar (KLSX), 40 km from the middle of the area, began a volume at 15:21 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 watch it was issued in

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

IssuedProductOfficeLasted
Mar 8, 6:32 AM CDTTornado WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 3.3 hours before the alert went out and 257 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 12:00Z on 2009-03-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Lincoln, IL at 12:00Z on 2009-03-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 389 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
441 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
389 m²/s²
0-3 km storm-relative helicity
401 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KLSX 081519
SVRLSX
MOC113-183-219-081545-
/O.NEW.KLSX.SV.W.0013.090308T1519Z-090308T1545Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1019 AM CDT SUN MAR 8 2009

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN LINCOLN COUNTY IN EAST CENTRAL MISSOURI
  NORTHWESTERN ST. CHARLES COUNTY IN EAST CENTRAL MISSOURI
  WARREN COUNTY IN EAST CENTRAL MISSOURI

* UNTIL 1045 AM CDT

* AT 1016 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL. THIS
  STORM WAS LOCATED 5 MILES SOUTHWEST OF WARRENTON...AND WAS MOVING
  NORTHEAST AT 65 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WRIGHT CITY...
  MOSCOW MILLS...
  WENTZVILLE...
  TROY...
  ST. PAUL...
  WINFIELD...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

LAT...LON 3885 9130 3884 9128 3886 9128 3913 9078
      3896 9069 3886 9061 3866 9125 3883 9135
TIME...MOT...LOC 1520Z 244DEG 55KT 3880 9115

$$

CARNEY
2 follow-up statements
000 
WWUS53 KLSX 081538
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1038 AM CDT SUN MAR 8 2009

MOC113-183-219-081545-
/O.CON.KLSX.SV.W.0013.000000T0000Z-090308T1545Z/
ST. CHARLES MO-WARREN MO-LINCOLN MO-
1038 AM CDT SUN MAR 8 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 AM CDT
FOR SOUTHEASTERN LINCOLN...EASTERN WARREN AND NORTHWESTERN ST.
CHARLES COUNTIES...

AT 1032 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL.
THIS STORM WAS LOCATED NEAR FORISTELL...OR NEAR WRIGHT CITY...AND WAS
MOVING NORTHEAST AT 60 MPH.

LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...OLD
MONROE...WINFIELD...ST. PAUL AND FOLEY.

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

LAT...LON 3913 9078 3896 9069 3886 9061 3875 9108
      3889 9105 3896 9101
TIME...MOT...LOC 1538Z 243DEG 51KT 3889 9087

$$

CARNEY
000 
WWUS53 KLSX 081546
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1046 AM CDT SUN MAR 8 2009

MOC113-183-219-081556-
/O.EXP.KLSX.SV.W.0013.000000T0000Z-090308T1545Z/
ST. CHARLES MO-WARREN MO-LINCOLN MO-
1046 AM CDT SUN MAR 8 2009

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LINCOLN...EASTERN
WARREN AND NORTHWESTERN ST. CHARLES COUNTIES EXPIRES AT 1045 AM
CDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND NO LONGER
APPEARED TO BE SEVERE.

ADDITIONAL STRONG THUNDERSTORMS ARE POSSIBLE...AND A TORNADO WATCH 
REMAINS IN EFFECT UNTIL 200 PM.

LAT...LON 3913 9078 3896 9069 3886 9061 3875 9108
      3889 9105 3896 9101
TIME...MOT...LOC 1538Z 243DEG 51KT 3888 9087

$$

CARNEY

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 7, 9:54 PM CSTFlash Flood WatchLSXKnox, Lewis, Marion, Monroe, Shelby8 hr
Mar 8, 8:37 AM CDTSevere Thunderstorm WarningLSXBoone, Callaway, Cole, Moniteau, Osage38 min
Mar 8, 9:21 AM CDTSevere Thunderstorm WarningLSXCallaway, Cole, Franklin, Gasconade, Lincoln, Montgomery and 2 more39 min
Mar 8, 9:49 AM CDTSevere Thunderstorm WarningLSXFranklin, Gasconade, Osage26 min
Mar 8, 9:51 AM CDTTornado WarningLSXCrawford24 min
Mar 8, 10:14 AM CDTTornado WarningLSXCrawford, Washington31 min
Mar 8, 10:16 AM CDTSevere Thunderstorm WarningLSXFranklin, Saint Charles, Warren35 min
Mar 8, 10:36 AM CDTSevere Thunderstorm WarningLSXFranklin, Saint Charles, Saint Louis, City of Saint Louis24 min
Mar 8, 10:39 AM CDTTornado WarningLSXJefferson, Sainte Genevieve, Saint Francois, Washington36 min
Mar 8, 10:51 AM CDTTornado WarningLSXLincoln24 min
Mar 8, 11:06 AM CDTTornado WarningLSXJefferson, Sainte Genevieve39 min
Mar 8, 12:16 PM CDTWind AdvisoryLSXAudrain, Boone, Callaway, Cole, Crawford, Franklin and 20 more7 hr
Mar 8, 2:14 PM CDTRiver Flood WarningLSXLewis5 days
Mar 8, 2:14 PM CDTRiver Flood WarningLSXLewis4 days

Nearby

Severe Thunderstorm Warnings in Missouri, 2009Every severe thunderstorm warning in 2009

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.