Alert archive / Illinois / Tornado Warnings in 2009

Tornado Warning 24, NWS St. Louis, MO

May 15, 2009Adams County, Brown County, Pike County, Illinois

NWS St. Louis, MO issued this tornado warning at May 15, 2009, 3:13 PM CDT for Adams County, Brown County, Pike County, Illinois. It was in force for 47 min. 3 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
May 15, 2009, 3:13 PM CDT (20:13 UTC)
Expired
May 15, 2009, 4:00 PM CDT
In force
47 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon

Counties Adams County, IL, Brown County, IL, Pike County, IL

The radar

The St Louis radar (KLSX), 125 km from the middle of the area, began a volume at 20:14 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, 3:26 PM CDTHAIL 1.258 S Liberty, IL
May 15, 3:29 PM CDTHAIL 1.257 Ne Kingston, ILHAIL RANGING FROM ONE HALF INCH TO ONE AND ONE QUARTER INCH. CORE OF STORM STILL TO THE WEST OF THIS LOCATION
May 15, 3:59 PM CDTHAIL 0.751 Sw Versailles, IL

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

Lincoln, IL (KILX), launched 12:00Z, 8.2 hours before the alert went out and 200 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 2009-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Lincoln, IL at 12:00Z on 2009-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1235 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
242 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 152013
TORLSX
ILC001-009-149-152100-
/O.NEW.KLSX.TO.W.0024.090515T2013Z-090515T2100Z/

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

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN ADAMS COUNTY IN WEST CENTRAL ILLINOIS...
  SOUTHERN BROWN COUNTY IN WEST CENTRAL ILLINOIS...
  NORTHERN PIKE COUNTY IN WEST CENTRAL ILLINOIS...

* UNTIL 400 PM CDT

* AT 311 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 5 MILES SOUTHEAST OF PAYSON...OR 11 MILES EAST OF
  HANNIBAL...AND MOVING EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BARRY...BEVERLY...GRIGGSVILLE...RICHFIELD...KINGSTON...BAYLIS...
  FISHHOOK...NEW SALEM...PERRY...CHAMBERSBURG AND VERSAILLES.

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 3994 9066 3969 9065 3965 9127 3983 9131
TIME...MOT...LOC 2013Z 261DEG 35KT 3976 9117

$$

CARNEY
3 follow-up statements
000 
WWUS53 KLSX 152027
SVSLSX

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

ILC001-009-149-152100-
/O.CON.KLSX.TO.W.0024.000000T0000Z-090515T2100Z/
PIKE IL-BROWN IL-ADAMS IL-
327 PM CDT FRI MAY 15 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR
SOUTHEASTERN ADAMS...SOUTHERN BROWN AND NORTHERN PIKE COUNTIES IN
WEST CENTRAL ILLINOIS...

AT 324 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR BEVERLY...OR 16
MILES NORTHWEST OF PITTSFIELD...MOVING EAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE...
  GRIGGSVILLE...BAYLIS...FISHHOOK...NEW SALEM...PERRY...CHAMBERSBURG
  AND VERSAILLES.

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 3967 9115 3986 9114 3994 9066 3969 9065
TIME...MOT...LOC 2027Z 263DEG 35KT 3978 9098

$$

CARNEY
000 
WWUS53 KLSX 152042
SVSLSX

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

ILC001-152051-
/O.CAN.KLSX.TO.W.0024.000000T0000Z-090515T2100Z/
ADAMS IL-
342 PM CDT FRI MAY 15 2009

...THE TORNADO WARNING FOR SOUTHEASTERN ADAMS COUNTY IS CANCELLED...

THE STORM THAT PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.

LAT...LON 3994 9066 3969 9065 3968 9093 3989 9092
TIME...MOT...LOC 2041Z 267DEG 32KT 3978 9082

$$

ILC009-149-152100-
/O.CON.KLSX.TO.W.0024.000000T0000Z-090515T2100Z/
PIKE IL-BROWN IL-
342 PM CDT FRI MAY 15 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR SOUTHERN
BROWN AND NORTHERN PIKE COUNTIES IN WEST CENTRAL ILLINOIS...

AT 338 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR FISHHOOK...OR 12
MILES NORTH OF PITTSFIELD...MOVING EAST AT 35 MPH.

LOCATIONS IMPACTED INCLUDE...
  GRIGGSVILLE...PERRY...CHAMBERSBURG AND VERSAILLES.

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.

IN ADDITION TO THE TORNADO...THIS STORM IS EXPECTED TO PRODUCE 
ONE...TO ONE AND ONE HALF INCH HAIL.

&&

LAT...LON 3994 9066 3969 9065 3968 9093 3989 9092
TIME...MOT...LOC 2041Z 267DEG 32KT 3978 9082

$$

CARNEY
000 
WWUS53 KLSX 152100
SVSLSX

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

ILC009-149-152110-
/O.EXP.KLSX.TO.W.0024.000000T0000Z-090515T2100Z/
PIKE IL-BROWN IL-
400 PM CDT FRI MAY 15 2009

...THE TORNADO WARNING FOR SOUTHERN BROWN AND NORTHERN PIKE COUNTIES
IN WEST CENTRAL ILLINOIS HAS EXPIRED...

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

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A TORNADO 
WATCH REMAINS IN EFFECT UNTIL 1000 PM.

LAT...LON 3994 9066 3969 9065 3968 9093 3989 9092
TIME...MOT...LOC 2100Z 267DEG 32KT 3979 9060

$$

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, 2:49 PM CDTTornado WarningLSXAdams, Pike26 min
May 15, 2:59 PM CDTFlash Flood WarningLSXAdams5 hr
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

Nearby

Tornado Warnings in Illinois, 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.