Alert archive / Illinois / Gale Warnings in 2012
Gale Warning 24, NWS Chicago, IL
NWS Chicago, IL issued this gale warning at Apr 15, 2012, 9:28 PM CDT. It took effect at Apr 16, 2012, 3:34 AM CDT. It was in force for 21 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 15, 2012, 9:28 PM CDT (02:28 UTC)
- In effect from
- Apr 16, 2012, 3:34 AM CDT
- Expired
- Apr 17, 2012, 1:00 AM CDT
- In force
- 21 hr
- Issued by
- NWS Chicago, IL
The text
As transmitted, in the capitals the NWS used until 2016.
359 WHUS73 KLOT 160228 MWWLOT URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHICAGO IL 928 PM CDT SUN APR 15 2012 LMZ740>745-161030- /O.CAN.KLOT.GL.W.0023.000000T0000Z-120417T0000Z/ /O.NEW.KLOT.SC.Y.0044.120416T0228Z-120416T1300Z/ /O.NEW.KLOT.GL.W.0024.120416T1300Z-120417T0000Z/ WINTHROP HARBOR TO WILMETTE HARBOR- WILMETTE HARBOR TO NORTHERLY ISLAND- NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY- GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY- 928 PM CDT SUN APR 15 2012 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM CDT MONDAY... ...GALE WARNING IN EFFECT FROM 8 AM TO 7 PM CDT MONDAY... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A GALE WARNING...WHICH IS IN EFFECT FROM 8 AM TO 7 PM CDT MONDAY. A SMALL CRAFT ADVISORY HAS ALSO BEEN ISSUED. THIS SMALL CRAFT ADVISORY IS IN EFFECT UNTIL 8 AM CDT MONDAY. * WINDS...SOUTHWEST TO 30 KT TONIGHT...SOUTHWEST TO 35 KT MONDAY BECOMING WEST. * WAVES...4 TO 7 FT. OCCASIONAL WAVES TO 9 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WINDS OF 22 TO 33 KNOTS AND/OR WAVES GREATER THAN 4 FT WILL PRODUCE HAZARDOUS CONDITIONS FOR SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-161030- /O.CON.KLOT.GL.A.0013.120416T1500Z-120417T0200Z/ LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO MID LAKE- 928 PM CDT SUN APR 15 2012 ...GALE WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... * WINDS...SOUTHWEST GALES TO 35 KT BECOMING WEST. * WAVES...TO 9 FT. OCCASIONAL WAVES TO 12 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO 47 KNOTS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER ALTERING THEIR PLANS. && $$ LMZ261-362-364-366-563-565-567-868-161030- /O.CON.KLOT.GL.A.0013.120416T2000Z-120417T0600Z/ LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH FOX ISLAND 5 NM OFFSHORE- LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI- LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID LAKE- 928 PM CDT SUN APR 15 2012 ...GALE WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH LATE MONDAY NIGHT... * WINDS...WEST GALES TO 35 KT BECOMING NORTHWEST. * WAVES...TO 9 FT. OCCASIONAL WAVES TO 13 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO 47 KNOTS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER ALTERING THEIR PLANS. && $$
7 follow-up statements
957 WHUS73 KLOT 160835 MWWLOT URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHICAGO IL 334 AM CDT MON APR 16 2012 LMZ740>745-161645- /O.CAN.KLOT.SC.Y.0044.000000T0000Z-120416T1300Z/ /O.EXT.KLOT.GL.W.0024.120416T0834Z-120417T0000Z/ WINTHROP HARBOR TO WILMETTE HARBOR- WILMETTE HARBOR TO NORTHERLY ISLAND- NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY- GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY- 334 AM CDT MON APR 16 2012 ...GALE WARNING NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS CANCELLED THE SMALL CRAFT ADVISORY. * WINDS...SOUTHWEST 40 KT MONDAY MORNING...BECOMING WEST TO 35 KT MONDAY AFTERNOON. * WAVES...4 TO 7 FT. OCCASIONAL WAVES TO 9 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WINDS OF 22 TO 33 KNOTS AND/OR WAVES GREATER THAN 4 FT WILL PRODUCE HAZARDOUS CONDITIONS FOR SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-161645- /O.EXB.KLOT.GL.W.0024.120416T0834Z-120417T0200Z/ /O.UPG.KLOT.GL.A.0013.120416T1500Z-120417T0200Z/ LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO MID LAKE- 334 AM CDT MON APR 16 2012 ...GALE WARNING IN EFFECT UNTIL 9 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A GALE WARNING...WHICH IS IN EFFECT UNTIL 9 PM CDT THIS EVENING. THE GALE WATCH IS NO LONGER IN EFFECT. * WINDS...SOUTHWEST GALES TO 35 KT BECOMING WEST. * WAVES...TO 10 FT. OCCASIONAL WAVES TO 15 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LMZ261-362-364-366-563-565-567-868-161645- /O.EXB.KLOT.GL.W.0024.120416T0834Z-120417T0600Z/ /O.UPG.KLOT.GL.A.0013.120416T2000Z-120417T0600Z/ LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH FOX ISLAND 5 NM OFFSHORE- LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI- LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID LAKE- 334 AM CDT MON APR 16 2012 ...GALE WARNING IN EFFECT UNTIL 1 AM CDT TUESDAY... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A GALE WARNING...WHICH IS IN EFFECT UNTIL 1 AM CDT TUESDAY. THE GALE WATCH IS NO LONGER IN EFFECT. * WINDS...WEST GALES TO 35 KT BECOMING NORTHWEST. * WAVES...TO 12 FT. OCCASIONAL WAVES TO 18 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ RATZER
305 WHUS73 KLOT 161412 MWWLOT URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHICAGO IL 912 AM CDT MON APR 16 2012 LMZ080-669-671-673-675-777-779-870-872-874-876-878-162215- /O.CON.KLOT.GL.W.0024.000000T0000Z-120417T0200Z/ LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO MID LAKE- 912 AM CDT MON APR 16 2012 ...GALE WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING... * WINDS...SOUTHWEST GALES TO 35 KT BECOMING WEST. * WAVES...TO 12 FT. OCCASIONAL WAVES TO 18 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LMZ261-362-364-366-563-565-567-868-162215- /O.CON.KLOT.GL.W.0024.000000T0000Z-120417T0600Z/ LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH FOX ISLAND 5 NM OFFSHORE- LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI- LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID LAKE- 912 AM CDT MON APR 16 2012 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM CDT TUESDAY... * WINDS...WEST GALES TO 40 KT BECOMING NORTHWEST. * WAVES...TO 12 FT. OCCASIONAL WAVES TO 18 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LMZ740>745-162215- /O.CON.KLOT.GL.W.0024.000000T0000Z-120417T0000Z/ WINTHROP HARBOR TO WILMETTE HARBOR- WILMETTE HARBOR TO NORTHERLY ISLAND- NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY- GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY- 912 AM CDT MON APR 16 2012 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WINDS...SOUTHWEST TO 45 KT...BECOMING WEST THIS AFTERNOON. * WAVES...TO 8 FT. OCCASIONAL WAVES TO 12 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ ALLSOPP
782 WHUS73 KLOT 162016 MWWLOT URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHICAGO IL 316 PM CDT MON APR 16 2012 LMZ080-669-671-673-675-777-779-870-872-874-876-878-170200- /O.CON.KLOT.GL.W.0024.000000T0000Z-120417T0200Z/ LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO MID LAKE- 316 PM CDT MON APR 16 2012 ...GALE WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING... * WINDS...WEST GALES TO 40 KT BECOMING NORTHWEST WINDS TO 30 KT THIS EVENING. * WAVES...TO 12 FT. OCCASIONAL WAVES TO 18 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LMZ261-362-364-366-563-565-567-868-170430- /O.CON.KLOT.GL.W.0024.000000T0000Z-120417T0600Z/ LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH FOX ISLAND 5 NM OFFSHORE- LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI- LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID LAKE- 316 PM CDT MON APR 16 2012 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM CDT TUESDAY... * WINDS...WEST GALES TO 40 KT BECOMING NORTHWEST...THEN DIMINISHING TO NORTHWEST WINDS TO 30 KT AROUND MIDNIGHT. * WAVES...TO 12 FT. OCCASIONAL WAVES TO 18 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LMZ740>745-170000- /O.CON.KLOT.GL.W.0024.000000T0000Z-120417T0000Z/ WINTHROP HARBOR TO WILMETTE HARBOR- WILMETTE HARBOR TO NORTHERLY ISLAND- NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY- GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY- 316 PM CDT MON APR 16 2012 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WINDS...WEST GALES TO 40 KT LATE AFTERNOON...BECOMING NORTHWEST WINDS TO 30 KT BY EARLY THIS EVENING. * WAVES...TO 7 FT. OCCASIONAL WAVES TO 11 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ ALLSOPP
491 WHUS73 KLOT 162353 MWWLOT URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHICAGO IL 653 PM CDT MON APR 16 2012 LMZ740>745-170300- /O.EXP.KLOT.GL.W.0024.000000T0000Z-120417T0000Z/ /O.NEW.KLOT.SC.Y.0045.120417T0000Z-120417T0300Z/ WINTHROP HARBOR TO WILMETTE HARBOR- WILMETTE HARBOR TO NORTHERLY ISLAND- NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY- GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY- 653 PM CDT MON APR 16 2012 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING... ...GALE WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A SMALL CRAFT ADVISORY...WHICH IS IN EFFECT UNTIL 10 PM CDT THIS EVENING. * WINDS...WEST WINDS 20 TO 25 KT...BECOMING NORTHWEST DURING THE EARLY EVENING. * WAVES...TO 6 FT. OCCASIONAL WAVES TO 9 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WINDS OF 22 TO 33 KNOTS AND/OR WAVES GREATER THAN 4 FT WILL PRODUCE HAZARDOUS CONDITIONS FOR SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-170100- /O.EXT.KLOT.GL.W.0024.000000T0000Z-120417T0000Z/ LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO MID LAKE- 653 PM CDT MON APR 16 2012 ...GALE WARNING NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WINDS...WEST GALES TO 40 KT BECOMING NORTHWEST WINDS TO 30 KT THIS EVENING. * WAVES...TO 12 FT. OCCASIONAL WAVES TO 18 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LMZ261-362-364-366-563-565-567-868-170600- /O.CON.KLOT.GL.W.0024.000000T0000Z-120417T0600Z/ LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH FOX ISLAND 5 NM OFFSHORE- LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI- LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID LAKE- 653 PM CDT MON APR 16 2012 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM CDT TUESDAY... * WINDS...WEST GALES TO 40 KT BECOMING NORTHWEST...THEN DIMINISHING TO NORTHWEST WINDS TO 30 KT AROUND MIDNIGHT. * WAVES...TO 12 FT. OCCASIONAL WAVES TO 18 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$
940 WHUS73 KLOT 170017 MWWLOT URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHICAGO IL 717 PM CDT MON APR 16 2012 LMZ080-669-671-673-675-777-779-870-872-874-876-878-170130- /O.EXP.KLOT.GL.W.0024.000000T0000Z-120417T0000Z/ LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO MID LAKE- 717 PM CDT MON APR 16 2012 ...GALE WARNING HAS EXPIRED... WINDS HAVE DIMINISHED TO LESS THAN GALE FORCE OVER THE SOUTHERN HALF OF LAKE MICHIGAN. HOWEVER...WEST WINDS OF 20 TO 25 KT AND WAVES TO 7 FT WILL POSE A TREAT OF HAZARDOUS CONDITIONS FOR SMALL CRAFT THIS EVENING ON THE ILLINOIS AND INDIANA NEARSHORE WATERS. $$ LMZ261-362-364-366-563-565-567-868-170600- /O.CON.KLOT.GL.W.0024.000000T0000Z-120417T0600Z/ LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH FOX ISLAND 5 NM OFFSHORE- LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI- LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID LAKE- 717 PM CDT MON APR 16 2012 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM CDT TUESDAY... * WINDS...NORTHWEST GALES TO 40 KT BECOMING NORTHWEST...THEN DIMINISHING TO NORTHWEST WINDS TO 30 KT AROUND MIDNIGHT. * WAVES...TO 12 FT. OCCASIONAL WAVES TO 16 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$ LMZ740>745-170300- /O.CON.KLOT.SC.Y.0045.000000T0000Z-120417T0300Z/ WINTHROP HARBOR TO WILMETTE HARBOR- WILMETTE HARBOR TO NORTHERLY ISLAND- NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY- GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY- 717 PM CDT MON APR 16 2012 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WINDS...WEST WINDS 20 TO 25 KT...BECOMING NORTHWEST DURING THE EARLY EVENING. * WAVES...TO 7 FT. OCCASIONAL WAVES TO 9 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WINDS OF 22 TO 33 KNOTS AND/OR WAVES GREATER THAN 4 FT WILL PRODUCE HAZARDOUS CONDITIONS FOR SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$
042 WHUS73 KLOT 170300 MWWLOT URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHICAGO IL 1000 PM CDT MON APR 16 2012 LMZ740>745-170400- /O.EXP.KLOT.SC.Y.0045.000000T0000Z-120417T0300Z/ WINTHROP HARBOR TO WILMETTE HARBOR- WILMETTE HARBOR TO NORTHERLY ISLAND- NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY- GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY- 1000 PM CDT MON APR 16 2012 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 10 PM CDT THIS EVENING... WINDS AND WAVES HAVE FALLEN TO LEVELS THAT NO LONGER POSE A HAZARD TO SMALL CRAFT. THUS...THE SMALL CRAFT ADVISORY WILL BE ALLOWED TO EXPIRE AT 10 PM EDT. $$ LMZ261-362-364-366-563-565-567-868-170600- /O.CON.KLOT.GL.W.0024.000000T0000Z-120417T0600Z/ LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH FOX ISLAND 5 NM OFFSHORE- LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI- LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID LAKE- 1000 PM CDT MON APR 16 2012 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM CDT TUESDAY... * WINDS...NORTHWEST GALES TO 35 KT DIMINISHING TO 25 TO 30 KT AROUND 12 MIDNIGHT CDT. * WAVES...TO 9 FT. OCCASIONAL WAVES TO 13 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. && $$
155 WHUS73 KLOT 170606 MWWLOT URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE CHICAGO IL 106 AM CDT TUE APR 17 2012 LMZ261-362-364-366-563-565-567-868-170715- /O.EXP.KLOT.GL.W.0024.000000T0000Z-120417T0600Z/ LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH FOX ISLAND 5 NM OFFSHORE- LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI- LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID LAKE- 106 AM CDT TUE APR 17 2012 ...GALE WARNING HAS EXPIRED... GALE FORCE WINDS ACROSS THE NORTHERN HALF OF THE LAKE HAVE DIMINISHED TO 30 KTS OR LESS. WINDS WILL CONTINUE TO DIMINISH THROUGHOUT THE NIGHT. $$ SHEA
What forecasters said that day
The local office's own words before this gale warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Chicago, IL wrote its last area forecast discussion before this gale warning went out at Apr 15, 9:15 PM CDT, 13 minutes earlier.
Area forecast discussion, Apr 15, 9:15 PM CDT, 13 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
915 PM CDT SUN APR 15 2012
.DISCUSSION...
912 PM CDT
UPDATE FOR REST OF TONIGHT...
BY MID-EVENING THUNDERSTORM ACTIVITY HAD BECOME DISORGANIZED AS
IT MOVED NE OVER NE IL...SW WI AND SOUTHERN LAKE MI. LOW LEVEL
INSTABILITY HAD INCREASED DURING THE LATER AFTERNOON AND EARLY
EVENING BUT WAS LIMITED BY EXTENSIVE CONVECTIVE DEBRIS CLOUDS
OVER THE AREA HOLDING DOWN SURFACE TEMPERATURES SINCE LATE THIS
MORNING. WHILE WIND FIELDS REMAIN STRONG AND ARE PROGGED TO
STRENGTHEN DURING THE NIGHT...THESE WINDS ARE PRETTY MUCH
UNIDIRECTIONAL FROM JUST ABOVE THE SURFACE ALL THE WAY UP THROUGH
THE MID LEVELS WHICH IS NOT CONDUCIVE TO STRONG ROTATING
UPDRAFTS. IN FACT...THE STRONG FLOW MAY ACTUALLY BE LIMITING THE
GROWTH OF CONVECTIVE UPDRAFTS DUE TO SIGNIFICANT DOWNSTREAM
LEANING OF UPDRAFTS.
THOUGH THREAT OF SEVERE WEATHER OVERNIGHT IS NOT NIL IT IS
MINIMAL WITH POSSIBLY AN ISOLATED WIND GUST OF 50+ KT AS A
CONVECTIVE DOWNDRAFT BRINGS THE STRONGER WINDS ALOFT DOWN TO THE
SURFACE SO HAVE DOWNPLAYED SEVERE THREAT. HAVE ALSO CANCELLED THE
WIND ADVISORY FOR THE REST OF THE NIGHT. WHILE IT WILL STILL BE
SOMEWHAT WINDY THROUGH THE NIGHT THE STRONGEST WINDS ARE EXPECTED
TO MOVE FROM SE IA ACROSS E CENTRAL IA AND NW IL AND ON INTO S
CENTRAL WI.
A BAND OF FAIRLY SOLID SHOWERS AND EMBEDDED THUNDERSTORMS
AVERAGING AROUND 120 MI WIDE EXTENDS ALL THE WAY SW ACROSS THE
OZARKS AND BEYOND. THIS BAND HAS BEEN SHIFTING EASTWARD AT ABOUT
35 KT AND MODELS CONTINUE THIS EASTWARD MOVEMENT AS THE MID AND
UPPER TROUGHS CONTINUE EASTWARD TO OVER THE UPPER MS VALLEY AND
JUST W OF THE MID MS VALLEY BY 12Z. MODEL QPF FIELDS IN AGREEMENT
WITH MOVING THE AXIS OF THE LONG BAND OF RAIN AND T-STORMS SHIFTS
E TO OVER NW IND 06-09Z AND TO S CENTRAL LOWER MI...AND N CENTRAL
AND W CENTRAL IND BY 12Z.
TRS
&&
.PREV DISCUSSION...
300 PM CDT
THE REMAINDER OF THE SHORT TERM...MONDAY THROUGH WEDNESDAY...
CONDITIONS WILL QUIET DOWN CONSIDERABLE FOLLOWING THE PASSAGE OF
THE COLD FRONT MONDAY MORNING. THERE IS A CHANCE FOR SOME WRAP
AROUND SHOWERS OVER THE NRN PORTIONS OF THE CWA MONDAY AFTERNOON
AS THE LOW PRESSURE SYSTEM EXITS TO THE NORTHEAST...BUT ANY PCPN
WOULD LIKELY BE ONLY SOME LIGHT RAIN SHOWERS. STRONG COLD
ADVECTION WILL SET UP FOLLOWING THE FROPA...SO THERE SHOULD BE
LITTLE DIURNAL WARMING THROUGH THE DAY WITH TEMPERATURES REMAINING
STEADY IN THE MIDDLE 50S TO LOWER 60S THROUGH THE DAY. THROUGH THE
EVENING AND INTO THE OVERNIGHT HOURS...COOL HIGH PRESSURE WILL
BUILD OUT OF THE PLAINS AND INTO THE AREA...WITH THE HIGH PRESSURE
SPREADING INTO THE OHIO VALLEY BY TUESDAY MORNING. CLEARING SKIES
AND DECREASING WINDS...COINCIDENT WITH SHARPLY LOWER DEW POINTS
WILL SET UP A SCENARIO FOR STRONG RADIATIVE COOLING...WITH MUCH OF
THE CWA NORTH OF THE ILLINOIS/KANKAKEE RIVER VALLEYS SEEING
TEMPERATURES DROPPING TO AS LOW AS 34-35 DEGREES. THIS SHOULD
ALLOW FOR AT LEAST PATCHY FROST TO FORM DURING THE EARLY MORNING
HOURS. AT THIS POINT...DO NOT SEE TEMPERATURES DROPPING INTO THE
LOWER 30S...SO A FREEZE IS NOT EXPECTED. THE URBANIZED AREAS OF
THE CHICAGO METRO AREA AND LOCATIONS INVOF LAKE MICHIGAN SHOULD
REMAIN A BIT WARMER WITH TEMPERATURES REMAINING IN THE UPPER 30S
TO ARND 40F...SO NO FROST IS LIKELY THERE. THE REMAINDER OF
TUESDAY SHOULD BE DRY WITH NELY WINDS SETTING UP AS THE HIGH
PASSES OFF TO THE EAST. THE ONSHORE FLOW OFF OF LAKE MICHIGAN WILL
KEEP LAKEFRONT LOCATIONS RATHER COOL...WITH HIGHS ONLY IN THE
UPPER 40S TO LOWER 50S...BUT AMPLE SUNSHINE WILL ALLOW THE
REMAINDER OF THE AREA TO WARM UP INTO THE UPPER 50S TO LOWER 60S.
TUESDAY NIGHT AND INTO WEDNESDAY SHOULD SEE A RETURN TO MORE
SOUTHERLY FLOW AS THE HIGH CONTINUES EWD AND THE NEXT UPSTREAM
SYSTEM DROPS OUT OF THE NRN ROCKIES AND TRACKS ACROSS THE NRN PLAINS
TO THE UPPER GREAT LAKES. THE LATEST GFS/ECMWF ARE IN QUITE GOOD
AGREEMENT ON HANDLING THIS SYSTEM AND ARE TRENDING A LITTLE SLOWER
THAN THE NAM SOLUTION. FOR THE END OF THE SHORT TERM FORECAST
PERIOD AND INTO THE LONG TERM PERIOD...FROM WEDNESDAY AND THROUGH
THE WEEKEND...HAVE GENERALLY FOLLOWED FAIRLY CLOSELY TO THE
GFS/ECMWF PATTERN. THIS SOLUTIONS BRINGS THE NEXT SIGNIFICANT
CHANCE OF PCPN TO THE AREA WEDNESDAY AFTERNOON AND EVENING. THIS
RESPONSIBLE SYSTEM WILL BE A NRN STREAM SYSTEM...ALMOST
CLIPPER-LIKE...TRACKING THROUGH THE UPPER MISSISSIPPI VALLEY AND
UPPER GREAT LAKES REGIONS. A TRAILING WEAK COLD FRONT SHOULD SWEEP
THROUGH THE CWA LATE WEDNESDAY AFTERNOON...BRINGING SHOWERS AND
PERHAPS A CHANCE FOR A FEW THUNDERSTORMS...BUT THIS SYSTEM WILL BE
RATHER QUICK-MOVING SO THE WINDOW OF OPPORTUNITY FOR THUNDER WILL BE
FAIRLY SHORT...AND THERE SHOULD BE LITTLE OR NO POTENTIAL FOR ANY
SEVERE WEATHER WITH THIS SYSTEM. THERE MAY BE ANOTHER CHANCE FOR
SOME RAIN OVER THE AREA BY THURSDAY NIGHT OR FRIDAY AS A SOUTHERN
STREAM SYSTEM LIFTS OUT OF THE SRN PLAINS. THE MODELS ARE SHOWING A
BIT MORE OF A SPREAD IN THE TRACK OF THIS SYSTEM WITH THE ECMWF
ADVERTISING A FASTER...MORE NORTHERLY TRACK THROUGH NRN
IL/IN/OH...WHILE THE GFS IS A BIT INDICATES A SLOWER...MORE
SOUTHERLY TRACK THROUGH THE OHIO VALLEY. A QUICK LOOK AT THE GEM
SPLITS THE DIFFERENCE BETWEEN THE GFS/ECMWF TRACKS...SO THE PATH OF
LEAST RESISTANCE AT THIS POINT HAS BEEN TO GO WITH THE MORE MIDDLE
OF THE ROAD APPROACH. ANY OF THESE SCENARIOS WOULD BRING SOME RAIN
TO THE CWA...BUT ANY THUNDERSTORM POTENTIAL WOULD BE MORE DIRECTLY
IMPACTED BY THE EXACT PATH OF THE SYSTEM. SO HAVE INDICATED A
SLIGHT CHANCE FOR SOME THUNDER ON THURSDAY...BUT CONFIDENCE IS NOT
VERY HIGH ON THIS POTENTIAL.
KREIN
&&
.AVIATION...
//ORD AND MDW CONCERNS...UPDATED 00Z...
* BRIEF PERIOD OF SHOWERS THUNDERSTORMS THROUGH 01 UTC.
* ADDITIONAL TSRA MOVING THROUGH THE TERMINALS THIS EVENING.
PERIODS OF HEAVY RAIN...HAIL...FREQUENT LIGHTNING...AND BRIEF
IFR VIS POSSIBLE.
* STRONG SOUTH WINDS GUSTING TO 30-35 KT INTO THE EVENING...NOT
ASSOCIATED WITH THUNDERSTORMS.
KJB
//DISCUSSION...UPDATED 00Z...
THUNDERSTORMS ARE THE MAIN CONCERN THIS EVENING.
THUNDERSTORMS HAVE BEEN DEVELOPING ACROSS THE AREA OVER THE PAST
COUPLE OF HOURS IN RESPONSE TO SOME ENHANCED FORCING FOR ASCENT
FROM A WEAK LEAD MID LEVEL DISTURBANCE...CURRENTLY PUSHING ACROSS
THE AREA. THESE STORMS ARE MOVING FAST...IN EXCESS OF 60 MPH AND
THUS WILL QUICKLY MOVE ACROSS THE TERMINALS BETWEEN NOW AND ABOUT
01 UTC. AFTER THIS ACTIVITY MOVES THROUGH MORE WIDESPREAD SHOWERS
AND THUNDERSTORMS ARE EXPECTED AGAIN AFTER 02 UTC. PERIODS OF
HEAVY RAINFALL ARE EXPECTED WITH THESE STORMS. THEREFORE
VISIBILITIES MAY BRIEFLY BE REDUCED UNDER A COUPLE OF MILES IN
HEAVY RAINFALL.
THE SHOWERS AND THUNDERSTORMS WILL QUICKLY MOVE EAST OF THE AREA
LATER THIS EVENING. ONCE THIS HAPPENS...THE WEATHER WILL QUIET DOWN.
GUSTY WESTERLY WINDS WILL REMAIN IN PLACE ON MONDAY ON THE BACK SIDE
OF THE SURFACE LOW. I EXPECT GUSTS UP TO AROUND 30 KT DURING THE
PERIOD.
KJB
//ORD AND MDW CONFIDENCE...UPDATED 00Z...
* MEDIUM CONFIDENCE ON TIMING TS MOVING THROUGH THIS EVENING.
* MEDIUM TO HIGH CONFIDENCE ON WIND TRENDS.
KJB
//OUTLOOK FOR ORD/MDW FOR 12Z TUESDAY-12Z SUNDAY...UPDATED 00Z...
TUESDAY...VFR.
WEDNESDAY...VFR. CHC MVFR CIGS W/SHRA ISO TSRA
MIDDAY/AFTN.
THURSDAY...VFR. CHC SHRA.
FRIDAY...VFR. CHC SHRA ISO TSRA.
SATURDAY...VFR. CHC SHRA.
KJB
&&
.MARINE...
257 PM...STRONG LOW PRESSURE ACROSS THE PLAINS THIS AFTERNOON WILL
MOVE NORTHEAST ACROSS THE NORTHERN LAKES MONDAY MORNING AND INTO
QUEBEC MONDAY NIGHT. AS THIS LOW APPROACHES...A WARM FRONT CURRENTLY
OVER NORTHERN LAKE MICHIGAN WILL LIFT NORTH OF THE LAKE...WITH
SOUTHEAST WINDS TURNING MORE SOUTHERLY. DENSE FOG ALONG AND AHEAD
OF THIS FRONT SHOULD IMPROVE ONCE WINDS TURN SOUTHERLY.
WHILE THE GRADIENT WILL CONTINUE TO TIGHTEN AS THE LOW APPROACHES...
A VERY STABLE MARINE LAYER SHOULD PREVENT WINDS FROM INCREASING MUCH
ABOVE 30 KTS OVER THE OPEN WATERS...PERHAPS A FEW HIGHER GUSTS AT
TIMES. OFFSHORE FLOW FROM DEEPER MIXING OVER LAND WILL STILL SUPPORT
FREQUENT GALES IN THE ILLINOIS AND INDIANA NEARSHORE WATERS AND HAVE
EXTENDED THE GALE WARNING FOR THE ILLINOIS/INDIANA NEARSHORE WATERS
THROUGH MONDAY AFTERNOON. AND AT THIS TIME...HAVE MAINTAINED THE
GALE WATCH FOR THE OPEN WATERS. WHILE GALES STILL LOOK POSSIBLE OVER
THE NORTHERN PART OF THE LAKE LATE MONDAY AFTERNOON INTO MONDAY
EVENING...BY THE TIME THE MARINE LAYER WEAKENS DUE TO COLDER AIR
ARRIVING...THE WINDS ALOFT ARE 30 KTS OR LESS. THE POTENTIAL FOR
GALE FORCE WINDS STILL EXISTS...BUT CONFIDENCE IS FAIRLY LOW OVER
SOUTHERN LAKE MICHIGAN. WINDS SHOULD DIMINISH QUICKLY MONDAY
NIGHT INTO TUESDAY MORNING AS HIGH PRESSURE BECOMES CENTERED OVER
THE LAKE BY MIDDAY TUESDAY...WITH LAKE BREEZES LIKELY ALONG ALL OF
THE SHORES OF LAKE MICHIGAN. THIS HIGH QUICKLY MOVES EAST TUESDAY
NIGHT WITH LOW PRESSURE LIFTING NORTHEAST ACROSS THE UPPER MIDWEST
AND EVENTUALLY THE NORTHERN LAKES ON WEDNESDAY...WHICH WILL
TIGHTEN A SOUTHERLY GRADIENT WITH WINDS TO 30 KTS POSSIBLE. CMS
&&
.LOT WATCHES/WARNINGS/ADVISORIES...
IL...NONE.
IN...NONE.
LM...GALE WARNING...NEARSHORE WATERS UNTIL 7
PM MONDAY.
GALE WATCH...LMZ080-LMZ669-LMZ671-LMZ673-LMZ675-LMZ777-LMZ779-
LMZ870-LMZ872-LMZ874-LMZ876-LMZ878...10 AM MONDAY TO 9 PM
MONDAY.
GALE WATCH...LMZ261-LMZ362-LMZ364-LMZ366-LMZ563-LMZ565-LMZ567-
LMZ868...3 PM MONDAY TO 1 AM TUESDAY.
&&Hazardous weather outlook, Apr 15, 8:16 PM CDT, 1 hour 12 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 816 PM CDT SUN APR 15 2012 ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019- 170130- WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE- DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON- IROQUOIS-FORD-LAKE INDIANA-PORTER-NEWTON-JASPER-BENTON- 816 PM CDT SUN APR 15 2012 /916 PM EDT SUN APR 15 2012/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS... NORTHEAST ILLINOIS AND NORTHWEST INDIANA. .DAY ONE...TONIGHT. WEATHER HAZARDS EXPECTED: SCATTERED THUNDERSTORMS...SOME MAY PRODUCE: HEAVY RAIN. CLOUD TO GROUND LIGHTNING. AREAS AFFECTED AND TIMING: THUNDERSTORMS WILL END FROM WEST TO EAST OVERNIGHT. DISCUSSION: SHOWERS AND THUNDERSTORMS WILL AFFECT THE AREA THROUGH THE REMAINDER OF THE EVENING AND ENDING AFTER MIDNIGHT. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. WINDS COULD GUST TO 40 MPH MONDAY AFTERNOON. THERE IS A SLIGHT CHANCE OF THUNDERSTORMS AGAIN BY LATE WEDNESDAY INTO THURSDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT. && COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO WEBPAGE: WEATHER.GOV/CHICAGO LMZ740>745-170130- WINTHROP HARBOR TO WILMETTE HARBOR- WILMETTE HARBOR TO NORTHERLY ISLAND- NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY- GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY- 816 PM CDT SUN APR 15 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE ILLINOIS NEARSHORE WATERS OF LAKE MICHIGAN AND THE INDIANA NEARSHORE WATERS OF LAKE MICHIGAN. .DAY ONE...TONIGHT. THUNDERSTORMS WILL END AFTER MIDNIGHT. GALE FORCE WINDS ARE LIKELY. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. GALE FORCE WINDS ARE LIKELY INTO MONDAY NIGHT. THERE IS A SLIGHT CHANCE OF THUNDERSTORMS AGAIN BY LATE WEDNESDAY INTO THURSDAY. && COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO WEBPAGE: WEATHER.GOV/CHICAGO LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868- 870-872-874-876-878-170130- LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH FOX ISLAND 5 NM OFFSHORE- LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI- LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO MID LAKE- 816 PM CDT SUN APR 15 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE OPEN WATERS OF LAKE MICHIGAN. .DAY ONE...TONIGHT. THUNDERSTORMS ARE LIKELY. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. GALE FORCE WINDS ARE POSSIBLE MONDAY INTO MONDAY NIGHT. THERE IS A SLIGHT CHANCE OF THUNDERSTORMS AGAIN BY LATE WEDNESDAY INTO THURSDAY. && COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO WEBPAGE: WEATHER.GOV/CHICAGO IZZI
In the hours before
Local storm report, Apr 15, 6:17 PM CDT, 3 hours 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
617 PM CDT SUN APR 15 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0615 PM HAIL ROMEOVILLE 41.65N 88.09W
04/15/2012 E0.75 INCH WILL IL OFFICIAL NWS OBS
HAIL UP TO THE SIZE OF PENNIES AT THE NWS OFFICE.
&&The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 9:28 PM CDT | Small Craft Advisory | LOT | 6 hr | |
| Apr 15, 11:28 PM CDT | Special Marine Warning | LOT | 4 hr | |
| Apr 16, 8:28 AM CDT | Wind Advisory | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 10 hr |
| Apr 16, 6:53 PM CDT | Small Craft Advisory | LOT | 3 hr |
Nearby
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.