Alert archive / Illinois / Tornado Warnings in 2009

Tornado Warning 6, NWS St. Louis, MO

March 8, 2009Monroe County, Randolph County, Saint Clair County, Illinois; Jefferson County, Sainte Genevieve County, Missouri

NWS St. Louis, MO issued this tornado warning at Mar 8, 2009, 11:06 AM CDT for Monroe County, Randolph County, Saint Clair County, Illinois; Jefferson County, Sainte Genevieve County, Missouri. It was in force for 39 min. 8 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Mar 8, 2009, 11:06 AM CDT (16:06 UTC)
Expired
Mar 8, 2009, 11:45 AM CDT
In force
39 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon

Counties Monroe County, IL, Randolph County, IL, Saint Clair County, IL, Jefferson County, MO, Sainte Genevieve County, MO

The radar

The St Louis radar (KLSX), 86 km from the middle of the area, began a volume at 16:06 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.

What was reported inside it

TimeReportWhereRemark
Mar 8, 11:10 AM CDTTSTM WND DMG7 Nnw Bloomsdale, MOLARGE CONSTRUCTION CRANE BLOWN DOWN...CORRECTION FOR LOCATION AND TIME
Mar 8, 11:20 AM CDTHAIL 0.88Red Bud, IL
Mar 8, 11:20 AM CDTHAIL 1Red Bud, ILMEASURED 57 MPH GUST
Mar 8, 11:20 AM CDTHAIL 1.5Red Bud, IL*** 1 INJ *** LARGE HAIL BROKE WINDOWS...WITH GLASS CAUSING INJURIES TO ONE OCCUPANT OF THE HOME
Mar 8, 11:25 AM CDTTORNADOPrairie, IL3 HOUSES DAMAGED...NUMEROUS TREES AND POWER POLES DOWN
Mar 8, 11:35 AM CDTTORNADOBaldwin, IL*** 1 INJ *** MOBILE HOME DESTROYED BY TORNADO. TIME ESTIMATED BY RADAR.
Mar 8, 11:40 AM CDTTSTM WND DMGBloomsdale, MOLARGE CONSTRUCTION CRANE BLOWN DOWN...TIME ESTIMATED FROM RADAR.
Mar 8, 11:40 AM CDTHAIL 0.88Marissa, IL50 MPH GUST

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

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, 4.1 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 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 
WFUS53 KLSX 081606
TORLSX
ILC133-157-163-MOC099-186-081645-
/O.NEW.KLSX.TO.W.0006.090308T1606Z-090308T1645Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1106 AM CDT SUN MAR 8 2009

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN JEFFERSON COUNTY IN EAST CENTRAL MISSOURI
  NORTHERN STE. GENEVIEVE COUNTY IN SOUTHEAST MISSOURI
  SOUTHERN MONROE COUNTY IN SOUTHWEST ILLINOIS
  NORTHERN RANDOLPH COUNTY IN SOUTHWEST ILLINOIS
  SOUTHEASTERN ST. CLAIR COUNTY IN SOUTHWEST ILLINOIS

* UNTIL 1145 AM CDT

* AT 1100 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 9 MILES WEST OF
  BLOOMSDALE...OR ABOUT 11 MILES SOUTHEAST OF DE SOTO...MOVING EAST
  AT 65 MPH.

* LOCATIONS IMPACTED INCLUDE...
  RED BUD...
  EVANSVILLE...
  BALDWIN...
  MARISSA...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
NICKERL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

LAT...LON 3837 8972 3799 8972 3794 9030 3814 9043
TIME...MOT...LOC 1606Z 254DEG 54KT 3808 9027

$$

GLASS
2 follow-up statements
000 
WWUS53 KLSX 081619
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1119 AM CDT SUN MAR 8 2009

MOC099-186-081630-
/O.CAN.KLSX.TO.W.0006.000000T0000Z-090308T1645Z/
STE. GENEVIEVE MO-JEFFERSON MO-
1120 AM CDT SUN MAR 8 2009

...THE TORNADO WARNING FOR SOUTHEASTERN JEFFERSON AND NORTHERN STE.
GENEVIEVE COUNTIES IS CANCELLED...

LAT...LON 3817 9026 3837 8972 3799 8972 3797 9000
TIME...MOT...LOC 1620Z 254DEG 54KT 3814 9001

$$

ILC133-157-163-081645-
/O.CON.KLSX.TO.W.0006.000000T0000Z-090308T1645Z/
RANDOLPH IL-MONROE IL-ST. CLAIR IL-
1120 AM CDT SUN MAR 8 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT FOR
SOUTHEASTERN ST. CLAIR...SOUTHEASTERN MONROE AND NORTHERN RANDOLPH
COUNTIES...

AT 1117 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR AMES...OR 7 MILES
SOUTHWEST OF RED BUD...AND WAS MOVING EAST AT 60 MPH.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...PRAIRIE...PRESTON...
WALSH...BALDWIN...HOUSTON...LENZBURG AND MARISSA.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
NICKEL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3817 9026 3837 8972 3799 8972 3797 9000
TIME...MOT...LOC 1620Z 254DEG 54KT 3814 9001

$$

GLASS
000 
WWUS53 KLSX 081648
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1148 AM CDT SUN MAR 8 2009

ILC133-157-163-081658-
/O.EXP.KLSX.TO.W.0006.000000T0000Z-090308T1645Z/
RANDOLPH IL-MONROE IL-ST. CLAIR IL-
1148 AM CDT SUN MAR 8 2009

...THE TORNADO WARNING FOR SOUTHEASTERN ST. CLAIR...SOUTHEASTERN
MONROE AND NORTHERN RANDOLPH COUNTIES EXPIRES AT 1145 AM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

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

LAT...LON 3817 9026 3837 8972 3799 8972 3797 9000
TIME...MOT...LOC 1619Z 254DEG 54KT 3813 9003

$$

GLASS

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 7, 9:54 PM CSTFlash Flood WatchLSXAdams8 hr
Mar 8, 10:51 AM CDTTornado WarningLSXCalhoun, Jersey24 min
Mar 8, 11:16 AM CDTSevere Thunderstorm WarningLSXGreene, Jersey, Macoupin, Montgomery44 min
Mar 8, 11:17 AM CDTTornado WarningLSXGreene, Macoupin13 min
Mar 8, 11:32 AM CDTTornado WarningLSXRandolph, Saint Clair, Washington43 min
Mar 8, 12:16 PM CDTWind AdvisoryLSXAdams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more7 hr
Mar 8, 12:33 PM CDTTornado WarningLSXMarion10 min
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, 10:19 AM CDTSevere Thunderstorm WarningLSXLincoln, Saint Charles, Warren26 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, 2:14 PM CDTRiver Flood WarningLSXLewis5 days
Mar 8, 2:14 PM CDTRiver Flood WarningLSXLewis4 days

Nearby

Tornado Warnings in Illinois, 2009Tornado Warnings in Missouri, 2009Every tornado warning in 2009Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.