Alert archive / Illinois / Tornado Warnings in 2008

Tornado Warning 34, NWS St. Louis, MO

May 30, 2008Pike County, Illinois

NWS St. Louis, MO issued this tornado warning at May 30, 2008, 4:43 PM CDT for Pike County, Illinois. It was in force for 12 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
May 30, 2008, 4:43 PM CDT (21:43 UTC)
Expired
May 30, 2008, 4:55 PM CDT
In force
12 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon

County Pike County, IL

The radar

The St Louis radar (KLSX), 116 km from the middle of the area, began a volume at 22:02 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
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, 9.7 hours before the alert went out and 179 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°0°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 302143
TORLSX
ILC149-302230-
/O.NEW.KLSX.TO.W.0034.080530T2143Z-080530T2230Z/

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

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

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

* UNTIL 530 PM CDT

* AT 440 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD
  NEAR GRIGGSVILLE...OR ABOUT 10 MILES NORTHEAST OF PITTSFIELD...  
  MOVING EAST AT 42 MPH.  DAMAGE HAS BEEN REPORTED NEAR NEW SALEM.

* LOCATIONS IMPACTED INCLUDE...
  GRIGGSVILLE
  VALLEY CITY

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.

LAT...LON 3984 9057 3982 9058 3979 9061 3978 9061
      3971 9064 3968 9064 3965 9061 3963 9060
      3961 9074 3978 9081
TIME...MOT...LOC 2143Z 268DEG 36KT 3971 9065

$$

GLASS
1 follow-up statement
000 
WWUS53 KLSX 302155
SVSLSX

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

ILC149-302205-
/O.CAN.KLSX.TO.W.0034.000000T0000Z-080530T2230Z/
PIKE IL-
455 PM CDT FRI MAY 30 2008

...THE TORNADO WARNING FOR NORTHEASTERN PIKE COUNTY IN WEST CENTRAL
ILLINOIS IS CANCELLED...

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

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

LAT...LON 3984 9057 3982 9058 3979 9061 3978 9061
      3971 9064 3968 9064 3965 9061 3963 9060
      3961 9074 3978 9081
TIME...MOT...LOC 2155Z 268DEG 36KT 3971 9049

$$

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, 4:48 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, 5:56 PM CDTTornado WarningLSXPike49 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.