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April 18-20th Severe Weather


Chicago Storm

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NATIONAL WEATHER SERVICE ST LOUIS MO

626 PM CDT TUE APR 19 2011

ILC117-135-192345-

/O.CON.KLSX.TO.W.0026.000000T0000Z-110419T2345Z/

MONTGOMERY IL-MACOUPIN IL-

626 PM CDT TUE APR 19 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL MACOUPIN AND

WEST CENTRAL MONTGOMERY COUNTIES UNTIL 645 PM CDT...

AT 624 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM

SPOTTERS WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO. THIS

TORNADO WAS LOCATED NEAR RAYMOND...OR 5 MILES NORTH OF LITCHFIELD...

MOVING NORTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...

HONEY BEND AND RAYMOND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A LARGE...EXTREMELY DANGEROUS AND POTENTIALLY DEADLY

TORNADO IS ON THE GROUND. TO PROTECT YOUR LIFE...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.

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SEVERE WEATHER STATEMENT

NATIONAL WEATHER SERVICE TULSA OK

628 PM CDT TUE APR 19 2011

...TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR SOUTHERN LE

FLORE COUNTY...

AT 626 PM CDT...NWS METEOROLOGIST AND STORM SPOTTERS CONTINUED TO

TRACK A LARGE AND EXTREMELY DANGEROUS TORNADO LOCATED NEAR OCTAVIA...

MOVING EAST AT 35 MPH. A LARGE TORNADO IS ON THE GROUND...THIS IS A

LIFE THREATENING SITUATION...TAKE COVER IMMEDIATELY!

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...OCTAVIA

AND BIG CEDAR.

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PRELIMINARY LOCAL STORM REPORT

NATIONAL WEATHER SERVICE ST LOUIS MO

627 PM CDT TUE APR 19 2011

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...

..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....

..REMARKS..

0623 PM TORNADO 4 NE LITCHFIELD 39.22N 89.60W

04/19/2011 MONTGOMERY IL TRAINED SPOTTER

LARGE TORNADO...CROSSING HIGHWAY 55 AT MILE MARKER 56

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EAS ACTIVATION REQUESTED

TORNADO WARNING

NATIONAL WEATHER SERVICE ST LOUIS MO

631 PM CDT TUE APR 19 2011

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...

CENTRAL MONTGOMERY COUNTY IN SOUTH CENTRAL ILLINOIS...

* UNTIL 715 PM CDT

* AT 628 PM CDT...STORM SPOTTERS AND NATIONAL WEATHER SERVICE DOPPLER

RADAR WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO NEAR

RAYMOND...OR 9 MILES NORTHEAST OF LITCHFIELD. DOPPLER RADAR

SHOWED THIS TORNADO MOVING EAST-NORTHEAST AT 55 MPH.

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MESOSCALE DISCUSSION 0477

NWS STORM PREDICTION CENTER NORMAN OK

0632 PM CDT TUE APR 19 2011

AREAS AFFECTED...CNTRL IND

CONCERNING...SEVERE POTENTIAL...WATCH NEEDED SOON

VALID 192332Z - 200000Z

ENVIRONMENTAL CONDITIONS HAVE BECOME FAVORABLE FOR SEVERE STORMS AND

A WATCH ISSUANCE WILL BE COORDINATED BETWEEN THE SPC AND THE

AFFECTED LOCAL NATIONAL WEATHER SERVICE OFFICES SHORTLY. AS STRONG

LOW PRESSURE SHIFTS E-NEWD AND CONVECTION UPSTREAM MOVES OVER THE

WARM/UNSTABLE SECTOR OVER CNTRL IND...THE THREAT FOR SVR STORMS AND

TORNADOES WILL OCCUR THIS EVENING. A TORNADO WATCH WILL BE REQUIRED

/REFERENCE MCD 476 FOR DETAILS/.

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BULLETIN - EAS ACTIVATION REQUESTED

TORNADO WARNING

NATIONAL WEATHER SERVICE LITTLE ROCK AR

634 PM CDT TUE APR 19 2011

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* TORNADO WARNING FOR...

NORTHERN POLK COUNTY IN WESTERN ARKANSAS...

* UNTIL 730 PM CDT

* AT 630 PM CDT...STORM SPOTTERS AND NATIONAL WEATHER SERVICE DOPPLER

RADAR WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO. THIS

TORNADO WAS LOCATED 17 MILES SOUTHWEST OF MOUNTAIN FORK...OR 27

MILES WEST OF MENA. DOPPLER RADAR SHOWED THIS SEVERE STORM

MOVING EAST AT 45 MPH. THIS STORM HAS PRODUCED A TORNADO NEAR

OCTAVIA IN EASTERN OKLAHOMA.

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SEVERE WEATHER STATEMENT

NATIONAL WEATHER SERVICE ST LOUIS MO

647 PM CDT TUE APR 19 2011

ILC135-200015-

/O.CON.KLSX.TO.W.0027.000000T0000Z-110420T0015Z/

MONTGOMERY IL-

647 PM CDT TUE APR 19 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL MONTGOMERY

COUNTY UNTIL 715 PM CDT...

AT 645 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM

SPOTTERS WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO. THIS

TORNADO WAS LOCATED NEAR NOKOMIS...MOVING EAST-NORTHEAS AT 55 MPH.

THIS STORM HAS A HISTORY OF PRODUCING A LARGE TORNADO. TAKE COVER

NOW.

LOCATIONS IMPACTED INCLUDE...

OHLMAN.

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BULLETIN - EAS ACTIVATION REQUESTED

TORNADO WARNING

NATIONAL WEATHER SERVICE LINCOLN IL

654 PM CDT TUE APR 19 2011

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...

EASTERN MACON COUNTY IN CENTRAL ILLINOIS...

SOUTHERN PIATT COUNTY IN CENTRAL ILLINOIS...

* UNTIL 730 PM CDT.

* AT 648 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD

NEAR MOUNT ZION. A TORNADO MAY DEVELOP AT ANY TIME. DOPPLER RADAR

SHOWED THIS DANGEROUS STORM MOVING NORTHEAST AT 70 MPH. RADAR ALSO

INDICATED ROTATION 3 MILES NORTH OF FORSYTH WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...

MONTICELLO...ARGENTA...CERRO GORDO...BEMENT...WHITE HEATH...LA

PLACE...CISCO...MILMINE AND LODGE.

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BULLETIN - EAS ACTIVATION REQUESTED

TORNADO WARNING

NATIONAL WEATHER SERVICE LINCOLN IL

654 PM CDT TUE APR 19 2011

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...

EASTERN MACON COUNTY IN CENTRAL ILLINOIS...

SOUTHERN PIATT COUNTY IN CENTRAL ILLINOIS...

* UNTIL 730 PM CDT.

* AT 648 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD

NEAR MOUNT ZION. A TORNADO MAY DEVELOP AT ANY TIME. DOPPLER RADAR

SHOWED THIS DANGEROUS STORM MOVING NORTHEAST AT 70 MPH. RADAR ALSO

INDICATED ROTATION 3 MILES NORTH OF FORSYTH WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...

MONTICELLO...ARGENTA...CERRO GORDO...BEMENT...WHITE HEATH...LA

PLACE...CISCO...MILMINE AND LODGE.

My bad, ya beat me to it.

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BULLETIN - EAS ACTIVATION REQUESTED

TORNADO WARNING

NATIONAL WEATHER SERVICE LINCOLN IL

700 PM CDT TUE APR 19 2011

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* TORNADO WARNING FOR...

WESTERN COLES COUNTY IN EAST CENTRAL ILLINOIS...

WESTERN DOUGLAS COUNTY IN EAST CENTRAL ILLINOIS...

MOULTRIE COUNTY IN CENTRAL ILLINOIS...

SOUTHEASTERN PIATT COUNTY IN CENTRAL ILLINOIS...

CENTRAL SHELBY COUNTY IN CENTRAL ILLINOIS...

* UNTIL 745 PM CDT.

* AT 658 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A

SEVERE SQUALL LINE CAPABLE OF PRODUCING BRIEF RAIN-WRAPPED

TORNADOES IN ADDITION TO WIDESPREAD STRAIGHT LINE WIND DAMAGE.

THESE DANGEROUS STORMS WERE LOCATED ALONG A LINE EXTENDING FROM

DALTON CITY TO FINDLAY TO TOWER HILL...AND MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...

SHELBYVILLE...SULLIVAN...MATTOON...LOVINGTON...HAMMOND...

ALLENVILLE...ATWOOD...ARTHUR...WINDSOR...COOKS MILL...KIRKSVILLE...

EAGLE CREEK STATE PARK...WOLF CREEK STATE PARK...CLARKSBURG...

CADWELL...GARRETT...COLES...STRASBURG...BOURBON AND CHESTERVILLE.

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Champaign/Urbana under the gun for 75+ MPH winds, spin up torandoes along the line and stornger bow echo head tornadoes

another similar system seems to be developing over Se MO

Nice timing

000

NOUS63 KLOT 171355

FTMLOT

MESSAGE DATE: APR 17 2011 13:55:35 UTC

THE NWS CHICAGO/ROMEOVILLE WSR-88D, KLOT, IS IN THE INITIAL STAGES

OF A CATASTROPHIC FAILURE OF THE GEARING IN THE RADAR PEDESTAL. THIS

IS THE PORTION OF THE RADAR WHICH SPINS THE ANTENNA. A TEAM FROM THE

WSR-88D RADAR OPERATIONS CENTER (ROC) WILL BE REBUILDING THE

PEDESTAL. THE RECONSTRUCTION OF THE PEDESTAL GEARS WILL REQUIRE THAT

THE RADAR BE OUT OF SERVICE FOR 5 TO 10 DAYS. WHILE THE KLOT WSR-88D

IS OUT OF SERVICE, ADJACENT LOCAL RADARS FROM ILX, DVN, MKX AND IWX

MAY BE UTILIZED FOR COVERAGE.

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