Alert archive / Illinois / Tornado Warnings in 2010

Tornado Warning 64, NWS St. Louis, MO

October 26, 2010Adams County, Brown County, Pike County, Illinois

NWS St. Louis, MO issued this tornado warning at Oct 26, 2010, 1:19 AM CDT for Adams County, Brown County, Pike County, Illinois. It was in force for 41 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
Oct 26, 2010, 1:19 AM CDT (06:19 UTC)
Expired
Oct 26, 2010, 2:00 AM CDT
In force
41 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Oct 25, 10:03 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 6.3 hours before the alert went out and 187 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 00:00Z on 2010-10-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 158 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, Davenport, at 00:00Z on 2010-10-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 357 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
158 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
857 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
357 m²/s²
0-3 km storm-relative helicity
405 m²/s²
Significant tornado parameter
0.1
Supercell composite
3.9

Open this sounding in Storm Lab

The text

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

551 
WFUS53 KLSX 260619
TORLSX
ILC001-009-149-260700-
/O.NEW.KLSX.TO.W.0064.101026T0619Z-101026T0700Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
119 AM CDT TUE OCT 26 2010

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

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

* UNTIL 200 AM CDT

* AT 115 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 5 MILES SOUTH OF BARRY...OR 12 MILES NORTH OF
  LOUISIANA...AND MOVING NORTHEAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BEVERLY...BUCKHORN...MOUNT STERLING...BAYLIS...NEW SALEM...
  FISHHOOK...PERRY...CHAMBERSBURG...VERSAILLES...COOPERTOWN AND
  RIPLEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT
WAS IN EFFECT FOR THE SAME AREA.

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4010 9070 4008 9070 4007 9067 4005 9068
      4003 9061 3999 9060 3999 9052 3997 9051
      3991 9054 3988 9058 3984 9057 3976 9061
      3956 9107 3967 9113 4011 9071
TIME...MOT...LOC 0619Z 221DEG 43KT 3966 9101

$$

BRITT
2 follow-up statements
577 
WWUS53 KLSX 260630
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
130 AM CDT TUE OCT 26 2010

ILC001-009-149-260700-
/O.CON.KLSX.TO.W.0064.000000T0000Z-101026T0700Z/
PIKE IL-BROWN IL-ADAMS IL-
130 AM CDT TUE OCT 26 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN ADAMS...BROWN
AND NORTHEASTERN PIKE COUNTIES IN WEST CENTRAL ILLINOIS UNTIL 200 AM
CDT...

AT 125 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED NEAR BARRY...OR 11 MILES NORTHWEST OF PITTSFIELD...
MOVING NORTHEAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  BUCKHORN...MOUNT STERLING...FISHHOOK...PERRY...CHAMBERSBURG...
  VERSAILLES...COOPERTOWN AND RIPLEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN ST LOUIS.

&&

LAT...LON 3964 9096 3976 9104 4011 9071 4010 9070
      4008 9070 4007 9067 4005 9068 4003 9061
      3999 9060 3999 9052 3997 9051 3991 9054
      3988 9058 3984 9057 3976 9061
TIME...MOT...LOC 0630Z 219DEG 42KT 3976 9091

$$

BRITT
813 
WWUS53 KLSX 260644
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
144 AM CDT TUE OCT 26 2010

ILC001-149-260652-
/O.CAN.KLSX.TO.W.0064.000000T0000Z-101026T0700Z/
PIKE IL-ADAMS IL-
144 AM CDT TUE OCT 26 2010

...THE TORNADO WARNING FOR SOUTHEASTERN ADAMS AND NORTHEASTERN PIKE
COUNTIES IN WEST CENTRAL ILLINOIS IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.  ADDITIONAL SEVERE THUNDERSTORMS ARE POSSIBLE THE REST OF THE 
NIGHT...AND A TORNADO WATCH IS IN EFFECT UNTIL 600 AM CDT.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN ST LOUIS.

LAT...LON 4011 9071 4008 9070 4007 9067 4005 9068
      4003 9061 3999 9060 3999 9052 3997 9051
      3995 9053 3991 9054 3988 9058 3984 9057
      3985 9092
TIME...MOT...LOC 0642Z 218DEG 43KT 3988 9079

$$

ILC009-260700-
/O.CON.KLSX.TO.W.0064.000000T0000Z-101026T0700Z/
BROWN IL-
144 AM CDT TUE OCT 26 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR BROWN COUNTY UNTIL 200 AM
CDT...

AT 139 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 6 MILES SOUTH OF BUCKHORN...OR 16 MILES NORTH OF
PITTSFIELD...MOVING NORTHEAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
  BUCKHORN...MOUNT STERLING...VERSAILLES...COOPERTOWN AND RIPLEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN ST LOUIS.

&&

LAT...LON 4011 9071 4008 9070 4007 9067 4005 9068
      4003 9061 3999 9060 3999 9052 3997 9051
      3995 9053 3991 9054 3988 9058 3984 9057
      3985 9092
TIME...MOT...LOC 0642Z 218DEG 43KT 3988 9079

$$

BRITT

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 26, 12:56 AM CDTSevere Thunderstorm WarningLSXAdams31 min
Oct 26, 1:13 AM CDTSevere Thunderstorm WarningLSXAdams, Pike47 min
Oct 26, 1:39 AM CDTSevere Thunderstorm WarningLSXAdams51 min
Oct 26, 1:56 AM CDTTornado WarningLSXBrown19 min
Oct 26, 3:34 AM CDTSevere Thunderstorm WarningLSXCalhoun, Jersey41 min
Oct 26, 3:34 AM CDTTornado WarningLSXCalhoun, Greene, Jersey, Pike41 min
Oct 26, 4:09 AM CDTSevere Thunderstorm WarningLSXGreene, Jersey, Macoupin, Madison, Monroe, Randolph and 1 more66 min
Oct 26, 4:33 AM CDTSevere Thunderstorm WarningLSXBond, Clinton, Fayette, Macoupin, Madison, Marion and 2 more57 min
Oct 26, 4:44 AM CDTTornado WarningLSXSaint Clair23 min
Oct 26, 5:15 AM CDTTornado WarningLSXBond, Clinton, Fayette, Montgomery30 min
Oct 26, 5:19 AM CDTSevere Thunderstorm WarningLSXRandolph23 min
Oct 26, 5:30 AM CDTSevere Thunderstorm WarningLSXBond, Clinton, Fayette, Marion, Montgomery, Washington45 min
Oct 26, 5:54 AM CDTTornado WarningLSXFayette21 min
Oct 26, 6:03 AM CDTTornado WarningLSXMarion17 min

Nearby

Tornado Warnings in Illinois, 2010Every tornado warning in 2010Tornadoes in 2010

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.