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EspañolDoppler Radar Images Of The Nappanee Tornado 10/18/2007
Title:
Doppler Radar Images Of The Nappanee Tornado 10/18/2007
Description:
Convective initiation occurred shortly after 4 pm from central Illinois into northwest Indiana in response to a secondary mid level shortwave trough ejecting out of central Missouri and increasing forced ascent. 18Z special sounding from Lincoln Illinois (KILX) showed dramatic mid level cooling as a result of the ejecting mid level shortwave trough. Rapid scan visible imagery showed aggravated CU/TCU development by late afternoon with continued surface based destabilization and low level moisture advection within mid level dry slot left behind lead shortwave trough which spawned widespread showers and thunderstorms earlier in the day. An unseasonably strong upper level wind maxima associated with this ejecting trough and backing surface flow led to extreme deep layer wind shear. Several broken lines of discrete supercells developed in the evening although the storm responsible for this tornado developed toward the end of the event. Numerous storms exhibited intense low level rotation with several reports of funnel clouds but all but this particular storm failed to produce actual tornadoes. BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NORTHERN INDIANA 1013 PM EDT THU OCT 18 2007 THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A * TORNADO WARNING FOR... SOUTHERN ELKHART COUNTY IN NORTH CENTRAL INDIANA NORTHERN KOSCIUSKO COUNTY IN NORTH CENTRAL INDIANA EAST CENTRAL MARSHALL COUNTY IN NORTH CENTRAL INDIANA * UNTIL 1100 PM EDT * AT 1008 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS SEVERE STORM WAS LOCATED NEAR BOURBON...OR ABOUT 9 MILES SOUTH OF BREMEN...AND MOVING NORTHEAST AT 50 MPH. * LOCATIONS IN THE PATH OF THE SEVERE STORM INCLUDE... NAPPANEE... SYRACUSE... GOSHEN... MILFORD... NEW PARIS... MILLERSBURG... 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. SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTHERN INDIANA 1019 PM EDT THU OCT 18 2007 ELKHART IN-MARSHALL IN-KOSCIUSKO IN- 1019 PM EDT THU OCT 18 2007 ...TORNADO EMERGENCY IN NAPPANEE... ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT FOR NORTHERN KOSCIUSKO...EAST CENTRAL MARSHALL AND SOUTHERN ELKHART COUNTIES... AT 1018 PM EDT...LAW ENFORCEMENT ONE MILE SOUTH OF NAPPANEE ON STATE ROUTE 19. THIS TORNADO WAS LOCATED 6 MILES SOUTHWEST OF NAPPANEE...AND MOVING NORTHEAST AT 45 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LOCKE...GRAVELTON...MILFORD...DEWART LAKE...FORAKER...OAKWOOD PARK... SYRACUSE...LAKE WAWASEE...NEW PARIS...WATERFORD MILLS...BENTON... GOSHEN AND MILLERSBURG. THIS IS AN EXTREMELY DANGEROUS AND LIFT THREATENING SITUATION! 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 YOU HAVE SEVERE WEATHER TO REPORT...YOU CAN CALL YOUR LOCAL LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. Areas affected: Bristol Dunlap Elkhart Goshen Middlebury Millersburg Nappanee New Paris Simonton Lake Wakarusa Townships Baugo Benton Cleveland Clinton Concord Elkhart Harrison Jackson Jefferson Locke Middlebury Olive Osolo Union Washington York Atwood Burket Claypool Etna Green Leesburg Mentone Milford North Webster Pierceton Sidney Silver Lake Syracuse Warsaw Winona Lake Clay Etna Franklin Harrison Jackson Jefferson Lake Monroe Plain Prairie Scott Seward Tippecanoe Turkey Creek Van Buren Washington Wayne Argos Bourbon Bremen Culver La Paz Plymouth Bourbon Center German Green North Polk Tippecanoe Union Walnut West
Author:
Legend813a
Tags:
Nappanee, Tornado, doppler, radar, WSR-88, WSR-88-D, Indiana, Weather,
Doppler Radar Images Of The Nappanee Tornado 10/18/2007
Description:
Convective initiation occurred shortly after 4 pm from central Illinois into northwest Indiana in response to a secondary mid level shortwave trough ejecting out of central Missouri and increasing forced ascent. 18Z special sounding from Lincoln Illinois (KILX) showed dramatic mid level cooling as a result of the ejecting mid level shortwave trough. Rapid scan visible imagery showed aggravated CU/TCU development by late afternoon with continued surface based destabilization and low level moisture advection within mid level dry slot left behind lead shortwave trough which spawned widespread showers and thunderstorms earlier in the day. An unseasonably strong upper level wind maxima associated with this ejecting trough and backing surface flow led to extreme deep layer wind shear. Several broken lines of discrete supercells developed in the evening although the storm responsible for this tornado developed toward the end of the event. Numerous storms exhibited intense low level rotation with several reports of funnel clouds but all but this particular storm failed to produce actual tornadoes. BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NORTHERN INDIANA 1013 PM EDT THU OCT 18 2007 THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A * TORNADO WARNING FOR... SOUTHERN ELKHART COUNTY IN NORTH CENTRAL INDIANA NORTHERN KOSCIUSKO COUNTY IN NORTH CENTRAL INDIANA EAST CENTRAL MARSHALL COUNTY IN NORTH CENTRAL INDIANA * UNTIL 1100 PM EDT * AT 1008 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS SEVERE STORM WAS LOCATED NEAR BOURBON...OR ABOUT 9 MILES SOUTH OF BREMEN...AND MOVING NORTHEAST AT 50 MPH. * LOCATIONS IN THE PATH OF THE SEVERE STORM INCLUDE... NAPPANEE... SYRACUSE... GOSHEN... MILFORD... NEW PARIS... MILLERSBURG... 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. SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTHERN INDIANA 1019 PM EDT THU OCT 18 2007 ELKHART IN-MARSHALL IN-KOSCIUSKO IN- 1019 PM EDT THU OCT 18 2007 ...TORNADO EMERGENCY IN NAPPANEE... ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT FOR NORTHERN KOSCIUSKO...EAST CENTRAL MARSHALL AND SOUTHERN ELKHART COUNTIES... AT 1018 PM EDT...LAW ENFORCEMENT ONE MILE SOUTH OF NAPPANEE ON STATE ROUTE 19. THIS TORNADO WAS LOCATED 6 MILES SOUTHWEST OF NAPPANEE...AND MOVING NORTHEAST AT 45 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LOCKE...GRAVELTON...MILFORD...DEWART LAKE...FORAKER...OAKWOOD PARK... SYRACUSE...LAKE WAWASEE...NEW PARIS...WATERFORD MILLS...BENTON... GOSHEN AND MILLERSBURG. THIS IS AN EXTREMELY DANGEROUS AND LIFT THREATENING SITUATION! 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 YOU HAVE SEVERE WEATHER TO REPORT...YOU CAN CALL YOUR LOCAL LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. Areas affected: Bristol Dunlap Elkhart Goshen Middlebury Millersburg Nappanee New Paris Simonton Lake Wakarusa Townships Baugo Benton Cleveland Clinton Concord Elkhart Harrison Jackson Jefferson Locke Middlebury Olive Osolo Union Washington York Atwood Burket Claypool Etna Green Leesburg Mentone Milford North Webster Pierceton Sidney Silver Lake Syracuse Warsaw Winona Lake Clay Etna Franklin Harrison Jackson Jefferson Lake Monroe Plain Prairie Scott Seward Tippecanoe Turkey Creek Van Buren Washington Wayne Argos Bourbon Bremen Culver La Paz Plymouth Bourbon Center German Green North Polk Tippecanoe Union Walnut West
Author:
Legend813a
Tags:
Nappanee, Tornado, doppler, radar, WSR-88, WSR-88-D, Indiana, Weather,
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