Alert archive / Illinois / Tornado Warnings in 2009

Tornado Warning 23, NWS St. Louis, MO

May 15, 2009Adams County, Pike County, Illinois; Marion County, Ralls County, Missouri

NWS St. Louis, MO issued this tornado warning at May 15, 2009, 2:49 PM CDT for Adams County, Pike County, Illinois; Marion County, Ralls County, Missouri. It was in force for 26 min. 1 report 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
May 15, 2009, 2:49 PM CDT (19:49 UTC)
Expired
May 15, 2009, 3:15 PM CDT
In force
26 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon

Counties Adams County, IL, Pike County, IL, Marion County, MO, Ralls County, MO

The radar

The St Louis radar (KLSX), 131 km from the middle of the area, began a volume at 19:51 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
May 15, 2:58 PM CDTHAIL 0.25Hannibal, MO

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
May 15, 12:50 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 7.8 hours before the alert went out and 211 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, Davenport, at 12:00Z on 2009-05-15Temperature 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, Davenport, at 12:00Z on 2009-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 300 square meters per square second.19395878Sfc1 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
1193 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
300 m²/s²
0-3 km storm-relative helicity
578 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KLSX 151949
TORLSX
ILC001-149-MOC127-173-152015-
/O.NEW.KLSX.TO.W.0023.090515T1949Z-090515T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
249 PM CDT FRI MAY 15 2009

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN ADAMS COUNTY IN WEST CENTRAL ILLINOIS...
  NORTHWESTERN PIKE COUNTY IN WEST CENTRAL ILLINOIS...
  SOUTHEASTERN MARION COUNTY IN NORTHEAST MISSOURI...
  NORTHEASTERN RALLS COUNTY IN NORTHEAST MISSOURI...

* UNTIL 315 PM CDT

* AT 248 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR PALMYRA...AND MOVING EAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  HANNIBAL...FALL CREEK...PAYSON...BARRY...BEVERLY...MARBLEHEAD...
  ILASCO...SEEHORN...HULL...ADAMS...PLAINVILLE...RICHFIELD...
  KINDERHOOK...LIBERTY AND KINGSTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT
WAS IN EFFECT FOR THE SAME AREA. GO TO A BASEMENT OR SMALL INTERIOR
ROOM ON THE LOWEST FLOOR

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 3992 9100 3970 9096 3965 9157 3983 9160
TIME...MOT...LOC 1949Z 261DEG 32KT 3975 9147

$$

CARNEY
1 follow-up statement
000 
WWUS53 KLSX 152005
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
305 PM CDT FRI MAY 15 2009

MOC127-173-152016-
/O.CAN.KLSX.TO.W.0023.000000T0000Z-090515T2015Z/
RALLS MO-MARION MO-
305 PM CDT FRI MAY 15 2009

...THE TORNADO WARNING FOR SOUTHEASTERN MARION AND NORTHEASTERN RALLS
COUNTIES IS CANCELLED...

LAT...LON 3970 9096 3970 9097 3967 9130 3972 9137
      3980 9138 3985 9144 3992 9100
TIME...MOT...LOC 2006Z 260DEG 35KT 3976 9127

$$

ILC001-149-152015-
/O.CON.KLSX.TO.W.0023.000000T0000Z-090515T2015Z/
PIKE IL-ADAMS IL-
305 PM CDT FRI MAY 15 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM CDT FOR SOUTHERN
ADAMS AND NORTHWESTERN PIKE COUNTIES IN WEST CENTRAL ILLINOIS...

AT 306 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR SEEHORN...OR 7
MILES NORTHEAST OF HANNIBAL...MOVING EAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  PAYSON...BARRY...BEVERLY...HULL...PLAINVILLE...ADAMS...
  KINDERHOOK...RICHFIELD...KINGSTON AND LIBERTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3970 9096 3970 9097 3967 9130 3972 9137
      3980 9138 3985 9144 3992 9100
TIME...MOT...LOC 2006Z 260DEG 35KT 3976 9127

$$

CARNEY

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 12:13 PM CDTRiver Flood WarningLSXAdams4 days
May 15, 12:13 PM CDTRiver Flood WarningLSXAdams5 days
May 15, 12:13 PM CDTRiver Flood WarningLSXAdams5 days
May 15, 12:13 PM CDTRiver Flood WarningLSXPike6 days
May 15, 12:13 PM CDTRiver Flood WarningLSXPike6 days
May 15, 12:13 PM CDTRiver Flood WarningLSXPike7 days
May 15, 12:13 PM CDTRiver Flood WarningLSXCalhoun7 days
May 15, 12:13 PM CDTRiver Flood WarningLSXCalhoun8 days
May 15, 12:13 PM CDTRiver Flood WarningLSXMadison10 days
May 15, 2:43 PM CDTSevere Thunderstorm WarningLSXAdams, Pike47 min
May 15, 2:59 PM CDTFlash Flood WarningLSXAdams5 hr
May 15, 3:13 PM CDTTornado WarningLSXAdams, Brown, Pike47 min
May 15, 3:55 PM CDTRiver Flood WarningLSXBrown8 days
May 15, 4:03 PM CDTAreal Flood AdvisoryLSXBrown4 hr
May 15, 4:48 PM CDTFlash Flood WarningLSXAdams6 hr
May 15, 5:12 PM CDTFlash Flood WarningLSXBrown, Pike6 hr
May 15, 5:12 PM CDTSevere Thunderstorm WarningLSXPike63 min
May 15, 5:40 PM CDTSevere Thunderstorm WarningLSXPike35 min
May 15, 6:06 PM CDTTornado WarningLSXCalhoun, Greene, Jersey, Pike39 min
May 15, 6:09 PM CDTSevere Thunderstorm WarningLSXCalhoun, Greene, Jersey, Pike51 min
May 15, 6:29 PM CDTFlash Flood WarningLSXCalhoun, Greene5 hr
May 15, 6:59 PM CDTSevere Thunderstorm WarningLSXCalhoun, Jersey, Madison, Saint Clair46 min
May 14, 9:00 PM CDTRiver Flood WarningLSXMarion5 days
May 15, 9:08 AM CDTRiver Flood WarningLSXMarion48 hr
May 15, 10:49 AM CDTFlash Flood WarningLSXKnox6 hr
May 15, 11:00 AM CDTFlash Flood WarningLSXKnox6 hr
May 15, 11:25 AM CDTFlash Flood WarningLSXLewis6 hr
May 15, 11:38 AM CDTSevere Thunderstorm WarningLSXKnox, Lewis25 min
May 15, 2:19 PM CDTFlash Flood WarningLSXShelby6 hr
May 15, 4:30 PM CDTSevere Thunderstorm WarningLSXAudrain, Boone, Marion, Monroe, Ralls, Shelby45 min
May 15, 5:03 PM CDTTornado WarningLSXAudrain, Monroe, Pike, Ralls42 min
May 15, 5:28 PM CDTSevere Thunderstorm WarningLSXBoone, Callaway, Cole, Moniteau47 min
May 15, 5:44 PM CDTTornado WarningLSXLincoln, Pike31 min
May 15, 6:24 PM CDTSevere Thunderstorm WarningLSXCallaway19 min

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.