Alert archive / Illinois / Tornado Warnings in 2008

Tornado Warning 37, NWS St. Louis, MO

May 30, 2008Pike County, Illinois

NWS St. Louis, MO issued this tornado warning at May 30, 2008, 5:56 PM CDT for Pike County, Illinois. It was in force for 49 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 30, 2008, 5:56 PM CDT (22:56 UTC)
Expired
May 30, 2008, 6:45 PM CDT
In force
49 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon

County Pike County, IL

The radar

The St Louis radar (KLSX), 100 km from the middle of the area, began a volume at 22:58 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 30, 6:05 PM CDTTORNADO1 Wsw Summer Hill, ILBRIEF TORNADO TOUCHDOWN OCCURRED 1.5 MILES WEST SOUTHWEST OF SUMMER HILL

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
Jan 7, 1:52 PM CSTTornado WatchSPC146 days
May 30, 1:56 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.9 hours before the alert went out and 190 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 2008-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 57 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 2008-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 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
57 J/kg
Mixed-layer CIN
-325 J/kg
Mixed-layer LCL
1164 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
106 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 302258
TORLSX
ILC149-302345-
/O.NEW.KLSX.TO.W.0037.080530T2256Z-080530T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
556 PM CDT FRI MAY 30 2008

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  PIKE COUNTY IN WEST CENTRAL ILLINOIS

* UNTIL 645 PM CDT

* AT 553 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 5 MILES NORTHWEST OF
  ATLAS...OR ABOUT 7 MILES NORTH OF LOUISIANA...MOVING EAST AT 46
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  PITTSFIELD...
  NEW HARTFORD...
  ROCKPORT...

STORM SPOTTERS REPORTED A WALL CLOUD WITH STRONG ROTATION WITH THIS 
STORM.

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 GOLF 
BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

LAT...LON 3968 9064 3965 9061 3959 9059 3958 9058
      3952 9058 3950 9060 3946 9105 3962 9115
      3972 9064
TIME...MOT...LOC 2256Z 265DEG 40KT 3955 9100

$$

GLASS
3 follow-up statements
000 
WWUS53 KLSX 302306
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
605 PM CDT FRI MAY 30 2008

ILC149-302345-
/O.CON.KLSX.TO.W.0037.000000T0000Z-080530T2345Z/
PIKE IL-
605 PM CDT FRI MAY 30 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR CENTRAL
PIKE COUNTY IN WEST CENTRAL ILLINOIS...

AT 602 PM CDT...STORM SPOTTERS REPORTED A BRIEF TORNADO TOUCHDOWN 1 
MILE WEST OF SUMMER HILL. NATIONAL WEATHER SERVICE DOPPLER RADAR 
CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR 
SUMMER HILL...OR ABOUT 8 MILES SOUTHWEST OF PITTSFIELD...MOVING EAST 
AT 46 MPH.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...INDEPENDENCE...
PITTSFIELD...TIME...MILTON...DETROIT...MONTEZUMA...BEDFORD...FLORENCE
AND VALLEY CITY.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING GOLF 
BALL 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 3968 9064 3965 9061 3959 9059 3958 9058
      3952 9058 3950 9060 3946 9105 3962 9115
      3972 9064
TIME...MOT...LOC 2305Z 265DEG 40KT 3956 9089

$$

GLASS
000 
WWUS53 KLSX 302321
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
619 PM CDT FRI MAY 30 2008

ILC149-302345-
/O.CON.KLSX.TO.W.0037.000000T0000Z-080530T2345Z/
PIKE IL-
619 PM CDT FRI MAY 30 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR CENTRAL
PIKE COUNTY IN WEST CENTRAL ILLINOIS...

AT 615 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS TORNADO WAS LOCATED 
BETWEEN PITTSFIELD AND MILTON...MOVING EAST AT 46 MPH. THIS STORM 
HAS A HISTORY OF PRODUCING TORNADOES AND A WALL CLOUD WITH STRONG 
ROTATION WAS RECENTLY REPORTED.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE...FLORENCE...
BEDFORD...VALLEY CITY AND MONTEZUMA.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING GOLF 
BALL 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 3968 9064 3965 9061 3959 9059 3958 9058
      3952 9058 3950 9060 3946 9105 3962 9115
      3972 9064
TIME...MOT...LOC 2319Z 265DEG 40KT 3959 9072

$$

GLASS
000 
WWUS53 KLSX 302338
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
637 PM CDT FRI MAY 30 2008

ILC149-302347-
/O.EXP.KLSX.TO.W.0037.000000T0000Z-080530T2345Z/
PIKE IL-
637 PM CDT FRI MAY 30 2008

...THE TORNADO WARNING FOR CENTRAL PIKE COUNTY IN WEST CENTRAL
ILLINOIS EXPIRES AT 645 PM CDT...

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

A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EXTREME NORTHERN 
GREENE COUNTY...SOUTHEASTERN BROWN COUNTY...AND NORTHERN PIKE 
COUNTY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM.

LAT...LON 3968 9064 3965 9061 3959 9059 3958 9058
      3952 9058 3950 9060 3946 9105 3962 9115
      3972 9064
TIME...MOT...LOC 2337Z 265DEG 40KT 3961 9046

$$

GLASS

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 3:55 PM CDTSevere Thunderstorm WarningLSXAdams, Brown, Pike50 min
May 30, 4:07 PM CDTTornado WarningLSXAdams, Brown, Pike38 min
May 30, 4:43 PM CDTTornado WarningLSXPike12 min
May 30, 4:48 PM CDTSevere Thunderstorm WarningLSXAdams, Brown, Pike42 min
May 30, 5:07 PM CDTSevere Thunderstorm WarningLSXAdams, Pike38 min
May 30, 5:09 PM CDTTornado WarningLSXPike21 min
May 30, 5:19 PM CDTTornado WarningLSXPike41 min
May 30, 5:46 PM CDTSevere Thunderstorm WarningLSXAdams, Brown, Pike44 min
May 30, 6:31 PM CDTSevere Thunderstorm WarningLSXBrown, Greene, Pike44 min

Nearby

Tornado Warnings in Illinois, 2008Every tornado warning in 2008Tornadoes in 2008

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.