IEM VTEC Product Browser
This application allows easy navigation of National Weather Service issued products with Valid Time Event Coding (VTEC).
13 Nov 2024 Update: The tool was updated to use non-hash link style URLs. A shim is in place to translate the old URLs to the new ones, so nothing should be broken (famous last words). This was done to allow the HTML5 History API to provide a better user experience.
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2025 [KLOT] CHICAGO Tornado (TO) Watch (A) Number 71
Listing of Counties/Parishes/Zones Included in Product
RADAR Composite at Issuance Time
Storm Based Warning History
640 WWUS63 KLOT 301814 WCNLOT WATCH COUNTY NOTIFICATION FOR WATCH 71 NATIONAL WEATHER SERVICE CHICAGO IL 114 PM CDT SUN MAR 30 2025 ILC031-043-053-063-075-089-091-093-105-197-INC007-073-089-111-127- 310000- /O.NEW.KLOT.TO.A.0071.250330T1815Z-250331T0000Z/ THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 71 IN EFFECT UNTIL 7 PM CDT /8 PM EDT/ THIS EVENING FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 10 COUNTIES IN CENTRAL ILLINOIS LIVINGSTON IN EAST CENTRAL ILLINOIS FORD IROQUOIS IN NORTHEAST ILLINOIS COOK DUPAGE GRUNDY KANE KANKAKEE KENDALL WILL IN INDIANA THIS WATCH INCLUDES 5 COUNTIES IN NORTHWEST INDIANA BENTON JASPER LAKE IN NEWTON PORTER THIS INCLUDES THE CITIES OF AURORA, BOLINGBROOK, BOURBONNAIS, CAROL STREAM, CHESTERTON, CHICAGO, COAL CITY, DEMOTTE, DOWNERS GROVE, DWIGHT, ELGIN, EVANSTON, FAIRBURY, FOWLER, GARY, GIBSON CITY, GILMAN, HAMMOND, JOLIET, KANKAKEE, KENTLAND, LEMONT, LOMBARD, MERRILLVILLE, MINOOKA, MOROCCO, MORRIS, NAPERVILLE, OAK LAWN, ORLAND PARK, OSWEGO, OXFORD, PARK FOREST, PAXTON, PLANO, PONTIAC, PORTAGE, RENSSELAER, ROSELAWN, SCHAUMBURG, VALPARAISO, WATSEKA, WHEATON, WILMINGTON, AND YORKVILLE. $$ LMZ740>745-779-310000- /O.NEW.KLOT.TO.A.0071.250330T1815Z-250331T0000Z/ THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 71 IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR THE FOLLOWING AREAS THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS WINTHROP HARBOR TO WILMETTE HARBOR IL WILMETTE HARBOR TO NORTHERLY ISLAND IL NORTHERLY ISLAND TO CALUMET HARBOR IL CALUMET HARBOR IL TO GARY IN GARY TO BURNS HARBOR IN BURNS HARBOR TO MICHIGAN CITY IN LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5NM OFFSHORE TO MID LAKE $$
396 WWUS63 KLOT 302008 WCNLOT WATCH COUNTY NOTIFICATION FOR WATCH 71 NATIONAL WEATHER SERVICE CHICAGO IL 308 PM CDT SUN MAR 30 2025 ILC031-043-053-063-075-089-091-093-105-197-302115- /O.CAN.KLOT.TO.A.0071.000000T0000Z-250331T0000Z/ THE NATIONAL WEATHER SERVICE HAS CANCELLED TORNADO WATCH 71 FOR THE FOLLOWING AREAS IN ILLINOIS THIS CANCELS 10 COUNTIES IN CENTRAL ILLINOIS LIVINGSTON IN EAST CENTRAL ILLINOIS FORD IROQUOIS IN NORTHEAST ILLINOIS COOK DUPAGE GRUNDY KANE KANKAKEE KENDALL WILL THIS INCLUDES THE CITIES OF AURORA, BOLINGBROOK, BOURBONNAIS, CAROL STREAM, CHICAGO, COAL CITY, DOWNERS GROVE, DWIGHT, ELGIN, EVANSTON, FAIRBURY, GIBSON CITY, GILMAN, JOLIET, KANKAKEE, LEMONT, LOMBARD, MINOOKA, MORRIS, NAPERVILLE, OAK LAWN, ORLAND PARK, OSWEGO, PARK FOREST, PAXTON, PLANO, PONTIAC, SCHAUMBURG, WATSEKA, WHEATON, WILMINGTON, AND YORKVILLE. $$ LMZ740>742-302115- /O.CAN.KLOT.TO.A.0071.000000T0000Z-250331T0000Z/ THE NATIONAL WEATHER SERVICE HAS CANCELLED TORNADO WATCH 71 FOR THE FOLLOWING AREAS THIS CANCELS THE FOLLOWING ADJACENT COASTAL WATERS WINTHROP HARBOR TO WILMETTE HARBOR IL WILMETTE HARBOR TO NORTHERLY ISLAND IL NORTHERLY ISLAND TO CALUMET HARBOR IL $$ INC007-073-089-111-127-310000- /O.CON.KLOT.TO.A.0071.000000T0000Z-250331T0000Z/ TORNADO WATCH 71 REMAINS VALID UNTIL 7 PM CDT /8 PM EDT/ THIS EVENING FOR THE FOLLOWING AREAS IN INDIANA THIS WATCH INCLUDES 5 COUNTIES IN NORTHWEST INDIANA BENTON JASPER LAKE IN NEWTON PORTER THIS INCLUDES THE CITIES OF CHESTERTON, DEMOTTE, FOWLER, GARY, HAMMOND, KENTLAND, MERRILLVILLE, MOROCCO, OXFORD, PORTAGE, RENSSELAER, ROSELAWN, AND VALPARAISO. $$ LMZ743>745-779-310000- /O.CON.KLOT.TO.A.0071.000000T0000Z-250331T0000Z/ TORNADO WATCH 71 REMAINS VALID UNTIL 7 PM CDT THIS EVENING FOR THE FOLLOWING AREAS THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS CALUMET HARBOR IL TO GARY IN GARY TO BURNS HARBOR IN BURNS HARBOR TO MICHIGAN CITY IN LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5NM OFFSHORE TO MID LAKE $$
556 WWUS63 KLOT 302051 WCNLOT WATCH COUNTY NOTIFICATION FOR WATCH 71 NATIONAL WEATHER SERVICE CHICAGO IL 351 PM CDT SUN MAR 30 2025 INC007-073-089-111-127-302200- /O.CAN.KLOT.TO.A.0071.000000T0000Z-250331T0000Z/ THE NATIONAL WEATHER SERVICE HAS CANCELLED TORNADO WATCH 71 FOR THE FOLLOWING AREAS IN INDIANA THIS CANCELS 5 COUNTIES IN NORTHWEST INDIANA BENTON JASPER LAKE IN NEWTON PORTER THIS INCLUDES THE CITIES OF CHESTERTON, DEMOTTE, FOWLER, GARY, HAMMOND, KENTLAND, MERRILLVILLE, MOROCCO, OXFORD, PORTAGE, RENSSELAER, ROSELAWN, AND VALPARAISO. $$ LMZ743>745-779-302200- /O.CAN.KLOT.TO.A.0071.000000T0000Z-250331T0000Z/ THE NATIONAL WEATHER SERVICE HAS CANCELLED TORNADO WATCH 71 FOR THE FOLLOWING AREAS THIS CANCELS THE FOLLOWING ADJACENT COASTAL WATERS CALUMET HARBOR IL TO GARY IN GARY TO BURNS HARBOR IN BURNS HARBOR TO MICHIGAN CITY IN LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5NM OFFSHORE TO MID LAKE $$
640 WWUS63 KLOT 301814 WCNLOT WATCH COUNTY NOTIFICATION FOR WATCH 71 NATIONAL WEATHER SERVICE CHICAGO IL 114 PM CDT SUN MAR 30 2025 ILC031-043-053-063-075-089-091-093-105-197-INC007-073-089-111-127- 310000- /O.NEW.KLOT.TO.A.0071.250330T1815Z-250331T0000Z/ THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 71 IN EFFECT UNTIL 7 PM CDT /8 PM EDT/ THIS EVENING FOR THE FOLLOWING AREAS IN ILLINOIS THIS WATCH INCLUDES 10 COUNTIES IN CENTRAL ILLINOIS LIVINGSTON IN EAST CENTRAL ILLINOIS FORD IROQUOIS IN NORTHEAST ILLINOIS COOK DUPAGE GRUNDY KANE KANKAKEE KENDALL WILL IN INDIANA THIS WATCH INCLUDES 5 COUNTIES IN NORTHWEST INDIANA BENTON JASPER LAKE IN NEWTON PORTER THIS INCLUDES THE CITIES OF AURORA, BOLINGBROOK, BOURBONNAIS, CAROL STREAM, CHESTERTON, CHICAGO, COAL CITY, DEMOTTE, DOWNERS GROVE, DWIGHT, ELGIN, EVANSTON, FAIRBURY, FOWLER, GARY, GIBSON CITY, GILMAN, HAMMOND, JOLIET, KANKAKEE, KENTLAND, LEMONT, LOMBARD, MERRILLVILLE, MINOOKA, MOROCCO, MORRIS, NAPERVILLE, OAK LAWN, ORLAND PARK, OSWEGO, OXFORD, PARK FOREST, PAXTON, PLANO, PONTIAC, PORTAGE, RENSSELAER, ROSELAWN, SCHAUMBURG, VALPARAISO, WATSEKA, WHEATON, WILMINGTON, AND YORKVILLE. $$ LMZ740>745-779-310000- /O.NEW.KLOT.TO.A.0071.250330T1815Z-250331T0000Z/ THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 71 IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR THE FOLLOWING AREAS THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS WINTHROP HARBOR TO WILMETTE HARBOR IL WILMETTE HARBOR TO NORTHERLY ISLAND IL NORTHERLY ISLAND TO CALUMET HARBOR IL CALUMET HARBOR IL TO GARY IN GARY TO BURNS HARBOR IN BURNS HARBOR TO MICHIGAN CITY IN LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5NM OFFSHORE TO MID LAKE $$
396 WWUS63 KLOT 302008 WCNLOT WATCH COUNTY NOTIFICATION FOR WATCH 71 NATIONAL WEATHER SERVICE CHICAGO IL 308 PM CDT SUN MAR 30 2025 ILC031-043-053-063-075-089-091-093-105-197-302115- /O.CAN.KLOT.TO.A.0071.000000T0000Z-250331T0000Z/ THE NATIONAL WEATHER SERVICE HAS CANCELLED TORNADO WATCH 71 FOR THE FOLLOWING AREAS IN ILLINOIS THIS CANCELS 10 COUNTIES IN CENTRAL ILLINOIS LIVINGSTON IN EAST CENTRAL ILLINOIS FORD IROQUOIS IN NORTHEAST ILLINOIS COOK DUPAGE GRUNDY KANE KANKAKEE KENDALL WILL THIS INCLUDES THE CITIES OF AURORA, BOLINGBROOK, BOURBONNAIS, CAROL STREAM, CHICAGO, COAL CITY, DOWNERS GROVE, DWIGHT, ELGIN, EVANSTON, FAIRBURY, GIBSON CITY, GILMAN, JOLIET, KANKAKEE, LEMONT, LOMBARD, MINOOKA, MORRIS, NAPERVILLE, OAK LAWN, ORLAND PARK, OSWEGO, PARK FOREST, PAXTON, PLANO, PONTIAC, SCHAUMBURG, WATSEKA, WHEATON, WILMINGTON, AND YORKVILLE. $$ LMZ740>742-302115- /O.CAN.KLOT.TO.A.0071.000000T0000Z-250331T0000Z/ THE NATIONAL WEATHER SERVICE HAS CANCELLED TORNADO WATCH 71 FOR THE FOLLOWING AREAS THIS CANCELS THE FOLLOWING ADJACENT COASTAL WATERS WINTHROP HARBOR TO WILMETTE HARBOR IL WILMETTE HARBOR TO NORTHERLY ISLAND IL NORTHERLY ISLAND TO CALUMET HARBOR IL $$ INC007-073-089-111-127-310000- /O.CON.KLOT.TO.A.0071.000000T0000Z-250331T0000Z/ TORNADO WATCH 71 REMAINS VALID UNTIL 7 PM CDT /8 PM EDT/ THIS EVENING FOR THE FOLLOWING AREAS IN INDIANA THIS WATCH INCLUDES 5 COUNTIES IN NORTHWEST INDIANA BENTON JASPER LAKE IN NEWTON PORTER THIS INCLUDES THE CITIES OF CHESTERTON, DEMOTTE, FOWLER, GARY, HAMMOND, KENTLAND, MERRILLVILLE, MOROCCO, OXFORD, PORTAGE, RENSSELAER, ROSELAWN, AND VALPARAISO. $$ LMZ743>745-779-310000- /O.CON.KLOT.TO.A.0071.000000T0000Z-250331T0000Z/ TORNADO WATCH 71 REMAINS VALID UNTIL 7 PM CDT THIS EVENING FOR THE FOLLOWING AREAS THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS CALUMET HARBOR IL TO GARY IN GARY TO BURNS HARBOR IN BURNS HARBOR TO MICHIGAN CITY IN LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5NM OFFSHORE TO MID LAKE $$
556 WWUS63 KLOT 302051 WCNLOT WATCH COUNTY NOTIFICATION FOR WATCH 71 NATIONAL WEATHER SERVICE CHICAGO IL 351 PM CDT SUN MAR 30 2025 INC007-073-089-111-127-302200- /O.CAN.KLOT.TO.A.0071.000000T0000Z-250331T0000Z/ THE NATIONAL WEATHER SERVICE HAS CANCELLED TORNADO WATCH 71 FOR THE FOLLOWING AREAS IN INDIANA THIS CANCELS 5 COUNTIES IN NORTHWEST INDIANA BENTON JASPER LAKE IN NEWTON PORTER THIS INCLUDES THE CITIES OF CHESTERTON, DEMOTTE, FOWLER, GARY, HAMMOND, KENTLAND, MERRILLVILLE, MOROCCO, OXFORD, PORTAGE, RENSSELAER, ROSELAWN, AND VALPARAISO. $$ LMZ743>745-779-302200- /O.CAN.KLOT.TO.A.0071.000000T0000Z-250331T0000Z/ THE NATIONAL WEATHER SERVICE HAS CANCELLED TORNADO WATCH 71 FOR THE FOLLOWING AREAS THIS CANCELS THE FOLLOWING ADJACENT COASTAL WATERS CALUMET HARBOR IL TO GARY IN GARY TO BURNS HARBOR IN BURNS HARBOR TO MICHIGAN CITY IN LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5NM OFFSHORE TO MID LAKE $$
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Storm Reports within Product Polygon
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