Alert archive / Illinois / Wind Advisories in 2014
Wind Advisory 2, NWS Chicago, IL
NWS Chicago, IL issued this wind advisory at Oct 30, 2014, 3:05 PM CDT for 7 counties in Illinois; Benton County, Jasper County, Newton County, Indiana. It took effect at Oct 31, 2014, 7:00 AM CDT. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Oct 30, 2014, 3:05 PM CDT (20:05 UTC)
- In effect from
- Oct 31, 2014, 7:00 AM CDT
- Expired
- Oct 31, 2014, 7:00 PM CDT
- In force
- 12 hr
- Issued by
- NWS Chicago, IL
Counties DuPage County, IL, Iroquois County, IL, Kane County, IL, Kankakee County, IL, Kendall County, IL, Lake County, IL, McHenry County, IL, Benton County, IN, Jasper County, IN, Newton County, IN
The radar
The Chicago radar (KLOT), 24 km from the middle of the area, began a volume at 20:07 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 8.1 hours before the alert went out and 157 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 997 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
425 WWUS73 KLOT 302005 NPWLOT URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHICAGO IL 305 PM CDT THU OCT 30 2014 ILZ014-310415- /O.NEW.KLOT.WI.Y.0002.141031T1200Z-141101T0300Z/ COOK- INCLUDING THE CITY OF...CHICAGO 305 PM CDT THU OCT 30 2014 ...WIND ADVISORY IN EFFECT FROM 7 AM TO 10 PM CDT FRIDAY... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 7 AM TO 10 PM CDT FRIDAY. * TIMING...FRIDAY MORNING THROUGH FRIDAY EVENING. * WINDS...NORTHERLY WINDS TO 50 MPH WITH WINDS TO 55 MPH NEAR THE LAKE. * IMPACTS...TREE LIMBS AND POWER LINES COULD BE BLOWN DOWN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR GUSTS BETWEEN 45 AND 57 MPH...ARE LIKELY. WINDS THIS STRONG CAN CAUSE MINOR PROPERTY DAMAGE UNLESS PRECAUTIONS ARE TAKEN. DRIVING MAY BE DIFFICULT...ESPECIALLY IN HIGH PROFILE VEHICLES. MOTORISTS SHOULD BE ALERT AND USE CAUTION. && $$ ILZ005-006-012-013-020-022-310415- /O.NEW.KLOT.WI.Y.0002.141031T1200Z-141101T0000Z/ MCHENRY-LAKE IL-KANE-DUPAGE-KENDALL-WILL- INCLUDING THE CITIES OF...WOODSTOCK...WAUKEGAN...AURORA... WHEATON...OSWEGO...JOLIET 305 PM CDT THU OCT 30 2014 ...WIND ADVISORY IN EFFECT FROM 7 AM TO 7 PM CDT FRIDAY... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 7 AM TO 7 PM CDT FRIDAY. * TIMING...FRIDAY MORNING THROUGH FRIDAY AFTERNOON. * WINDS...NORTHERLY WINDS TO 50 MPH. * IMPACTS...TREE LIMBS AND POWER LINES COULD BE BLOWN DOWN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR GUSTS BETWEEN 45 AND 57 MPH...ARE LIKELY. WINDS THIS STRONG CAN CAUSE MINOR PROPERTY DAMAGE UNLESS PRECAUTIONS ARE TAKEN. DRIVING MAY BE DIFFICULT...ESPECIALLY IN HIGH PROFILE VEHICLES. MOTORISTS SHOULD BE ALERT AND USE CAUTION. && $$ ILZ023-033-INZ019-310415- /O.NEW.KLOT.WI.Y.0002.141031T1500Z-141101T0000Z/ KANKAKEE-IROQUOIS-BENTON- INCLUDING THE CITIES OF...KANKAKEE...WATSEKA...FOWLER 305 PM CDT THU OCT 30 2014 /405 PM EDT THU OCT 30 2014/ ...WIND ADVISORY IN EFFECT FROM 10 AM CDT /11 AM EDT/ TO 7 PM CDT /8 PM EDT/ FRIDAY... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 10 AM CDT /11 AM EDT/ TO 7 PM CDT /8 PM EDT/ FRIDAY. * TIMING...MID MORNING FRIDAY THROUGH FRIDAY AFTERNOON. * WINDS...NORTHERLY WINDS TO 50 MPH. * IMPACTS...TREE LIMBS AND POWER LINES COULD BE BLOWN DOWN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR GUSTS BETWEEN 45 AND 57 MPH...ARE LIKELY. WINDS THIS STRONG CAN CAUSE MINOR PROPERTY DAMAGE UNLESS PRECAUTIONS ARE TAKEN. DRIVING MAY BE DIFFICULT...ESPECIALLY IN HIGH PROFILE VEHICLES. MOTORISTS SHOULD BE ALERT AND USE CAUTION. && $$ RODRIGUEZ VISIT US AT HTTP://WEATHER.GOV/CHICAGO (ALL LOWERCASE) FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT: WWW.FACEBOOK.COM/NWSCHICAGO WWW.TWITTER.COM/NWSCHICAGO WWW.YOUTUBE.COM/NWSCHICAGO
7 follow-up statements
001 WWUS73 KLOT 310156 NPWLOT URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHICAGO IL 856 PM CDT THU OCT 30 2014 ILZ014-311000- /O.CON.KLOT.WI.Y.0002.141031T1200Z-141101T0300Z/ COOK- INCLUDING THE CITY OF...CHICAGO 856 PM CDT THU OCT 30 2014 ...WIND ADVISORY REMAINS IN EFFECT FROM 7 AM TO 10 PM CDT FRIDAY... * TIMING...FRIDAY MORNING THROUGH FRIDAY EVENING. * WINDS...NORTHERLY TO 50 MPH WITH GUSTS TO 55 MPH NEAR THE LAKE. * IMPACTS...TREE LIMBS AND POWER LINES COULD BE BLOWN DOWN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR GUSTS BETWEEN 45 AND 57 MPH...ARE LIKELY. WINDS THIS STRONG CAN CAUSE MINOR PROPERTY DAMAGE UNLESS PRECAUTIONS ARE TAKEN. DRIVING MAY BE DIFFICULT...ESPECIALLY IN HIGH PROFILE VEHICLES. MOTORISTS SHOULD BE ALERT AND USE CAUTION. && $$ ILZ005-006-012-013-020-022-311000- /O.CON.KLOT.WI.Y.0002.141031T1200Z-141101T0000Z/ MCHENRY-LAKE IL-KANE-DUPAGE-KENDALL-WILL- INCLUDING THE CITIES OF...WOODSTOCK...WAUKEGAN...AURORA... WHEATON...OSWEGO...JOLIET 856 PM CDT THU OCT 30 2014 ...WIND ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM CDT FRIDAY... * TIMING...FRIDAY MORNING THROUGH FRIDAY AFTERNOON. * WINDS...NORTHERLY TO 50 MPH. * IMPACTS...TREE LIMBS AND POWER LINES COULD BE BLOWN DOWN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR GUSTS BETWEEN 45 AND 57 MPH...ARE LIKELY. WINDS THIS STRONG CAN CAUSE MINOR PROPERTY DAMAGE UNLESS PRECAUTIONS ARE TAKEN. DRIVING MAY BE DIFFICULT...ESPECIALLY IN HIGH PROFILE VEHICLES. MOTORISTS SHOULD BE ALERT AND USE CAUTION. && $$ ILZ023-033-INZ019-311000- /O.CON.KLOT.WI.Y.0002.141031T1500Z-141101T0000Z/ KANKAKEE-IROQUOIS-BENTON- INCLUDING THE CITIES OF...KANKAKEE...WATSEKA...FOWLER 856 PM CDT THU OCT 30 2014 /956 PM EDT THU OCT 30 2014/ ...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM CDT /11 AM EDT/ TO 7 PM CDT /8 PM EDT/ FRIDAY... * TIMING...MID MORNING FRIDAY THROUGH FRIDAY AFTERNOON. * WINDS...NORTHERLY TO 50 MPH. * IMPACTS...TREE LIMBS AND POWER LINES COULD BE BLOWN DOWN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR GUSTS BETWEEN 45 AND 57 MPH...ARE LIKELY. WINDS THIS STRONG CAN CAUSE MINOR PROPERTY DAMAGE UNLESS PRECAUTIONS ARE TAKEN. DRIVING MAY BE DIFFICULT...ESPECIALLY IN HIGH PROFILE VEHICLES. MOTORISTS SHOULD BE ALERT AND USE CAUTION. && $$ VISIT US AT HTTP://WEATHER.GOV/CHICAGO (ALL LOWERCASE) FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT: WWW.FACEBOOK.COM/NWSCHICAGO WWW.TWITTER.COM/NWSCHICAGO WWW.YOUTUBE.COM/NWSCHICAGO
039 WWUS73 KLOT 310836 NPWLOT URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHICAGO IL 336 AM CDT FRI OCT 31 2014 ILZ014-311645- /O.UPG.KLOT.WI.Y.0002.141031T1200Z-141101T0300Z/ /O.NEW.KLOT.HW.W.0002.141031T1500Z-141031T2300Z/ COOK- INCLUDING THE CITY OF...CHICAGO 336 AM CDT FRI OCT 31 2014 ...HIGH WIND WARNING IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CDT THIS EVENING NEAR THE LAKE... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CDT THIS EVENING. THE WIND ADVISORY IS NO LONGER IN EFFECT. * TIMING...DEVELOPING THIS MORNING AND CONTINUING THIS AFTERNOON. * WINDS...NEAR THE LAKE NORTHERLY WINDS OF 35 TO 45 MPH WITH GUSTS UP TO 60 MPH...INLAND NORTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$ INZ001-002-311645- /O.NEW.KLOT.HW.W.0002.141031T1500Z-141031T2300Z/ LAKE IN-PORTER- INCLUDING THE CITIES OF...GARY...VALPARAISO 336 AM CDT FRI OCT 31 2014 ...HIGH WIND WARNING IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CDT THIS EVENING NEAR THE LAKE... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CDT THIS EVENING. * TIMING...DEVELOPING THIS MORNING AND CONTINUING THIS AFTERNOON. * WINDS...NEAR THE LAKE NORTHERLY WINDS OF 35 TO 45 MPH WITH GUSTS UP TO 60 MPH...INLAND NORTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$ INZ010-011-311645- /O.EXB.KLOT.WI.Y.0002.141031T1300Z-141101T0000Z/ NEWTON-JASPER- INCLUDING THE CITIES OF...MOROCCO...RENSSELAER 336 AM CDT FRI OCT 31 2014 ...WIND ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 8 AM THIS MORNING TO 7 PM CDT THIS EVENING. * TIMING...DEVELOPING THIS MORNING AND CONTINUING THIS AFTERNOON. * WINDS...NORTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR GUSTS BETWEEN 45 AND 57 MPH...ARE LIKELY. WINDS THIS STRONG CAN CAUSE MINOR PROPERTY DAMAGE UNLESS PRECAUTIONS ARE TAKEN. DRIVING MAY BE DIFFICULT...ESPECIALLY IN HIGH PROFILE VEHICLES. MOTORISTS SHOULD BE ALERT AND USE CAUTION. && $$ ILZ005-006-012-013-020-022-023-033-INZ019-311645- /O.EXT.KLOT.WI.Y.0002.141031T1300Z-141101T0000Z/ MCHENRY-LAKE IL-KANE-DUPAGE-KENDALL-WILL-KANKAKEE-IROQUOIS-BENTON- INCLUDING THE CITIES OF...WOODSTOCK...WAUKEGAN...AURORA... WHEATON...OSWEGO...JOLIET...KANKAKEE...WATSEKA...FOWLER 336 AM CDT FRI OCT 31 2014 /436 AM EDT FRI OCT 31 2014/ ...WIND ADVISORY NOW IN EFFECT FROM 8 AM CDT /9 AM EDT/ THIS MORNING TO 7 PM CDT /8 PM EDT/ THIS EVENING... * TIMING...DEVELOPING THIS MORNING AND CONTINUING THIS AFTERNOON. * WINDS...NORTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR GUSTS BETWEEN 45 AND 57 MPH...ARE LIKELY. WINDS THIS STRONG CAN CAUSE MINOR PROPERTY DAMAGE UNLESS PRECAUTIONS ARE TAKEN. DRIVING MAY BE DIFFICULT...ESPECIALLY IN HIGH PROFILE VEHICLES. MOTORISTS SHOULD BE ALERT AND USE CAUTION. && $$ IZZI VISIT US AT HTTP://WEATHER.GOV/CHICAGO (ALL LOWERCASE) FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT: WWW.FACEBOOK.COM/NWSCHICAGO WWW.TWITTER.COM/NWSCHICAGO WWW.YOUTUBE.COM/NWSCHICAGO
659 WWUS73 KLOT 310839 NPWLOT URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHICAGO IL 339 AM CDT FRI OCT 31 2014 ILZ014-INZ001-002-311645- /O.CON.KLOT.HW.W.0002.141031T1500Z-141031T2300Z/ COOK-LAKE IN-PORTER- INCLUDING THE CITIES OF...CHICAGO...GARY...VALPARAISO 339 AM CDT FRI OCT 31 2014 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CDT THIS EVENING NEAR THE LAKE... * TIMING...DEVELOPING THIS MORNING AND CONTINUING THIS AFTERNOON. * WINDS...NEAR THE LAKE NORTHERLY WINDS OF 35 TO 45 MPH WITH GUSTS UP TO 60 MPH...INLAND NORTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$ ILZ005-006-012-013-020-022-023-033-INZ010-011-019-311645- /O.CON.KLOT.WI.Y.0002.141031T1300Z-141101T0000Z/ MCHENRY-LAKE IL-KANE-DUPAGE-KENDALL-WILL-KANKAKEE-IROQUOIS-NEWTON- JASPER-BENTON- INCLUDING THE CITIES OF...WOODSTOCK...WAUKEGAN...AURORA... WHEATON...OSWEGO...JOLIET...KANKAKEE...WATSEKA...MOROCCO... RENSSELAER...FOWLER 339 AM CDT FRI OCT 31 2014 /439 AM EDT FRI OCT 31 2014/ ...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM CDT /9 AM EDT/ THIS MORNING TO 7 PM CDT /8 PM EDT/ THIS EVENING... * TIMING...DEVELOPING THIS MORNING AND CONTINUING THIS AFTERNOON. * WINDS...NORTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR GUSTS BETWEEN 45 AND 57 MPH...ARE LIKELY. WINDS THIS STRONG CAN CAUSE MINOR PROPERTY DAMAGE UNLESS PRECAUTIONS ARE TAKEN. DRIVING MAY BE DIFFICULT...ESPECIALLY IN HIGH PROFILE VEHICLES. MOTORISTS SHOULD BE ALERT AND USE CAUTION. && $$ IZZI VISIT US AT HTTP://WEATHER.GOV/CHICAGO (ALL LOWERCASE) FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT: WWW.FACEBOOK.COM/NWSCHICAGO WWW.TWITTER.COM/NWSCHICAGO WWW.YOUTUBE.COM/NWSCHICAGO
456 WWUS73 KLOT 311405 NPWLOT URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHICAGO IL 905 AM CDT FRI OCT 31 2014 ILZ014-INZ001-002-312215- /O.CON.KLOT.HW.W.0002.141031T1500Z-141031T2300Z/ COOK-LAKE IN-PORTER- INCLUDING THE CITIES OF...CHICAGO...GARY...VALPARAISO 905 AM CDT FRI OCT 31 2014 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING... * TIMING...THROUGH THIS AFTERNOON. * WINDS...NEAR THE LAKE NORTHERLY WINDS OF 35 TO 45 MPH WITH GUSTS UP TO 60 MPH...INLAND NORTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$ ILZ005-006-012-013-020-022-023-033-INZ010-011-019-312215- /O.CON.KLOT.WI.Y.0002.000000T0000Z-141101T0000Z/ MCHENRY-LAKE IL-KANE-DUPAGE-KENDALL-WILL-KANKAKEE-IROQUOIS-NEWTON- JASPER-BENTON- INCLUDING THE CITIES OF...WOODSTOCK...WAUKEGAN...AURORA... WHEATON...OSWEGO...JOLIET...KANKAKEE...WATSEKA...MOROCCO... RENSSELAER...FOWLER 905 AM CDT FRI OCT 31 2014 /1005 AM EDT FRI OCT 31 2014/ ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT /8 PM EDT/ THIS EVENING... * TIMING...THROUGH THIS AFTERNOON. * WINDS...NORTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR GUSTS BETWEEN 45 AND 57 MPH...ARE LIKELY. WINDS THIS STRONG CAN CAUSE MINOR PROPERTY DAMAGE UNLESS PRECAUTIONS ARE TAKEN. DRIVING MAY BE DIFFICULT...ESPECIALLY IN HIGH PROFILE VEHICLES. MOTORISTS SHOULD BE ALERT AND USE CAUTION. && $$ JEE VISIT US AT HTTP://WEATHER.GOV/CHICAGO (ALL LOWERCASE) FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT: WWW.FACEBOOK.COM/NWSCHICAGO WWW.TWITTER.COM/NWSCHICAGO WWW.YOUTUBE.COM/NWSCHICAGO
758 WWUS73 KLOT 312030 NPWLOT URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHICAGO IL 330 PM CDT FRI OCT 31 2014 ILZ014-INZ001-002-312300- /O.CON.KLOT.HW.W.0002.000000T0000Z-141031T2300Z/ COOK-LAKE IN-PORTER- INCLUDING THE CITIES OF...CHICAGO...GARY...VALPARAISO 330 PM CDT FRI OCT 31 2014 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING... * TIMING...THROUGH THIS AFTERNOON. * WINDS...NEAR THE LAKE NORTHERLY WINDS OF 35 TO 45 MPH WITH GUSTS UP TO 60 MPH...INLAND NORTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$ ILZ005-006-012-013-020-022-023-033-INZ010-011-019-010000- /O.CON.KLOT.WI.Y.0002.000000T0000Z-141101T0000Z/ MCHENRY-LAKE IL-KANE-DUPAGE-KENDALL-WILL-KANKAKEE-IROQUOIS-NEWTON- JASPER-BENTON- INCLUDING THE CITIES OF...WOODSTOCK...WAUKEGAN...AURORA... WHEATON...OSWEGO...JOLIET...KANKAKEE...WATSEKA...MOROCCO... RENSSELAER...FOWLER 330 PM CDT FRI OCT 31 2014 /430 PM EDT FRI OCT 31 2014/ ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT /8 PM EDT/ THIS EVENING... * TIMING...THROUGH THIS AFTERNOON. * WINDS...NORTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR GUSTS BETWEEN 45 AND 57 MPH...ARE LIKELY. WINDS THIS STRONG CAN CAUSE MINOR PROPERTY DAMAGE UNLESS PRECAUTIONS ARE TAKEN. DRIVING MAY BE DIFFICULT...ESPECIALLY IN HIGH PROFILE VEHICLES. MOTORISTS SHOULD BE ALERT AND USE CAUTION. && $$ JEE VISIT US AT HTTP://WEATHER.GOV/CHICAGO (ALL LOWERCASE) FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT: WWW.FACEBOOK.COM/NWSCHICAGO WWW.TWITTER.COM/NWSCHICAGO WWW.YOUTUBE.COM/NWSCHICAGO
332 WWUS73 KLOT 312230 NPWLOT URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHICAGO IL 530 PM CDT FRI OCT 31 2014 ILZ014-INZ001-002-010300- /O.EXT.KLOT.HW.W.0002.000000T0000Z-141101T0300Z/ COOK-LAKE IN-PORTER- INCLUDING THE CITIES OF...CHICAGO...GARY...VALPARAISO 530 PM CDT FRI OCT 31 2014 ...HIGH WIND WARNING NOW IN EFFECT UNTIL 10 PM CDT THIS EVENING... * TIMING...THROUGH THIS EVENING. * WINDS...NEAR THE LAKE NORTHERLY WINDS OF 35 TO 45 MPH WITH GUSTS UP TO 60 MPH...INLAND NORTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$ ILZ005-006-012-013-020-022-023-033-INZ010-011-019-010000- /O.CON.KLOT.WI.Y.0002.000000T0000Z-141101T0000Z/ MCHENRY-LAKE IL-KANE-DUPAGE-KENDALL-WILL-KANKAKEE-IROQUOIS-NEWTON- JASPER-BENTON- INCLUDING THE CITIES OF...WOODSTOCK...WAUKEGAN...AURORA... WHEATON...OSWEGO...JOLIET...KANKAKEE...WATSEKA...MOROCCO... RENSSELAER...FOWLER 530 PM CDT FRI OCT 31 2014 /630 PM EDT FRI OCT 31 2014/ ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT /8 PM EDT/ THIS EVENING... * TIMING...THROUGH EARLY THIS EVENING. * WINDS...NORTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR GUSTS BETWEEN 45 AND 57 MPH...ARE LIKELY. WINDS THIS STRONG CAN CAUSE MINOR PROPERTY DAMAGE UNLESS PRECAUTIONS ARE TAKEN. DRIVING MAY BE DIFFICULT...ESPECIALLY IN HIGH PROFILE VEHICLES. MOTORISTS SHOULD BE ALERT AND USE CAUTION. && $$ RODRIGUEZ VISIT US AT HTTP://WEATHER.GOV/CHICAGO (ALL LOWERCASE) FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT: WWW.FACEBOOK.COM/NWSCHICAGO WWW.TWITTER.COM/NWSCHICAGO WWW.YOUTUBE.COM/NWSCHICAGO
345 WWUS73 KLOT 010013 NPWLOT URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE CHICAGO IL 713 PM CDT FRI OCT 31 2014 ILZ005-006-012-013-020-022-023-033-INZ010-011-019-010115- /O.EXP.KLOT.WI.Y.0002.000000T0000Z-141101T0000Z/ MCHENRY-LAKE IL-KANE-DUPAGE-KENDALL-WILL-KANKAKEE-IROQUOIS-NEWTON- JASPER-BENTON- INCLUDING THE CITIES OF...WOODSTOCK...WAUKEGAN...AURORA... WHEATON...OSWEGO...JOLIET...KANKAKEE...WATSEKA...MOROCCO... RENSSELAER...FOWLER 713 PM CDT FRI OCT 31 2014 /813 PM EDT FRI OCT 31 2014/ ...WIND ADVISORY HAS EXPIRED... STRONG NORTHERLY WINDS WILL CONTINUE TO DIMINISH THIS EVENING INTO THE OVERNIGHT HOURS. $$ ILZ014-INZ001-002-010300- /O.CON.KLOT.HW.W.0002.000000T0000Z-141101T0300Z/ COOK-LAKE IN-PORTER- INCLUDING THE CITIES OF...CHICAGO...GARY...VALPARAISO 713 PM CDT FRI OCT 31 2014 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... * TIMING...THROUGH THIS EVENING. * WINDS...NEAR THE LAKE NORTHERLY WINDS OF 35 TO 45 MPH WITH GUSTS UP TO 60 MPH...INLAND NORTHERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$ RODRIGUEZ VISIT US AT HTTP://WEATHER.GOV/CHICAGO (ALL LOWERCASE) FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT: WWW.FACEBOOK.COM/NWSCHICAGO WWW.TWITTER.COM/NWSCHICAGO WWW.YOUTUBE.COM/NWSCHICAGO
What forecasters said that day
The local office's own words before this wind advisory 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 wind advisory went out at Oct 30, 2:50 PM CDT, 15 minutes earlier.
Area forecast discussion, Oct 30, 2:50 PM CDT, 15 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
250 PM CDT THU OCT 30 2014
.UPDATE...
1059 AM CDT
GOING FORECAST FOR THE REST OF TODAY LOOKS FAIRLY ON TRACK WITH
ONLY SMALL ADJUSTMENTS. THE EMPHASIS ON THE FORECAST CONTINUES TO
BE ON THE STRONG AUTUMN SYSTEM FRIDAY.
THE AREA FINDS ITSELF BETWEEN TWO SHORT WAVE DISTURBANCES LATE
THIS MORNING AND AS A RESULT A THINNING IN CLOUD COVER HAS BEEN
SEEN ACROSS NORTHEAST IL AND NORTHWEST IN. EXPECTING VARIABILITY
IN SKY TO OCCUR THE REST OF THE DAY THAT WILL PROBABLY AVERAGE OUT
TO MOSTLY CLOUDY. THIS BREAK HAS ALLOWED TEMPERATURES IN SOME
PLACES TO OUTPACE PREVIOUS FORECAST AND HAVE ADJUSTED HIGHS UP A
DEGREE TO TWO IN EASTERN AREAS. WEAKER LESS ORGANIZED FORCING
BETWEEN THE TWO WAVES SHOULD CONTINUE TO KEEP ANY RAIN LIGHT OR
EVEN JUST SPRINKLES...WITH THE BETTER CHANCE FOR A FEW HUNDREDTHS
OF AN INCH BEING SOUTH OF I-80 WITH THE SOUTHERN DISTURBANCE THIS
AFTERNOON.
LOOKING AHEAD TO FRIDAY...THE WINDY DAY AND EVENING CONTINUES ON
TRACK WITH THE HIGHEST WIND SPEEDS AND IMPACTS BEING NEAR THE
LAKE SHORE. THE SETUP FOR LAKE EFFECT SNOW IS CONTINUING TO BE
WEIGHED AND MODEL DIFFERENCES DO EXIST IN THE LOWEST THERMAL
PROFILES. WITH LIKELY MODEST TO TEMPORARY HEAVY PRECIPITATION
RATES GIVEN THE HIGH LAKE-INDUCED INSTABILITY...COULD CERTAINLY
REALIZE PRETTY LOW VISIBILITY IN PARTS OF NORTHWEST INDIANA AND
POSSIBLY ALONG THE COOK COUNTY SHORE AT TIMES FRIDAY IF SNOW CAN
BE THE DOMINANT PRECIPITATION TYPE.
MTF
&&
.SHORT TERM...
343 AM CDT
FOR THE REMAINDER OF THE NIGHT AND INTO THURSDAY MORNING...WEATHER
CONDITIONS WILL REMAIN QUIET ACROSS THE REGION UNTIL A STRONG COLD
FRONT SWEEPS THROUGH THE AREA LATE TONIGHT.
UNDER CLEAR SKIES AND WITH DEWPOINTS IN THE MIDDLE 20S TO LOWER
30S...TEMPERATURES ACROSS THE REGION HAVE BEEN DROPPING FAST
OVERNIGHT UNDER FAVORABLE RADIATIVE COOLING. HOWEVER...A WEAK
SHORTWAVE DROPPING SEWD THROUGH THE NRN PLAINS AND ACROSS THE MIDDLE
AND UPPER MISSISSIPPI VALLEY WILL BRING INCREASING MID AND HIGH
LEVEL CLOUDINESS...THROUGH THE EARLY MORNING HOURS...TEMPERING THE
TEMPERATURE DROP OFF. HOWEVER...OVERNIGHT LOW TEMPERATURES WILL
STILL DROP INTO THE UPPER 20S TO LOWER 30S ACROSS THE AREA AWAY
FROM THE CHICAGO METRO AREA URBAN HEAT ISLAND...WHERE TEMPERATURES
WILL ONLY DROP INTO THE UPPER 30S TO LOWER 40S. AT THE
SURFACE...HIGH PRESSURE IS SLIDING SEWD ACROSS THE REGION...KEEPING
WINDS NEAR CALM. AS THE HIGH SLIDES INTO THE OHIO VALLEY LATER
TODAY...WINDS WILL BECOME MORE WLY...BUT WITH A WEAK GRADIENT IN
PLACE...WINDS SHOULD REMAIN LIGHT THROUGH THE DAY AND INTO THE EARLY
EVENING. WITH HEIGHT FALLS ASSOCIATED WITH THE PASSAGE OF THE
SHORTWAVE AND A GENERAL COLD ADVECTIVE PATTERN IN PLACE
ALOFT...ANTICIPATE ANOTHER CHILLY DAY WITH HIGHS ONLY IN THE LOWER
TO MIDDLE 50S.
A STRONG COLD FRONT IS EXPECTED TO DROP OUT OF THE NRN PLAINS AND
PUSH INTO NWRN IL BY AROUND MIDNIGHT AND THE QUICKLY PUSH SEWD
ACROSS THE REGION...BRINGING A QUICK WIND SHIFT TO NWLY. STRONG
COLD ADVECTION AND STRONG PRESSURE RISES OF 6MB/6HR WILL BRING
STRONG...GUSTY WINDS. LATEST FORECAST SOUNDING SHOW WINDS ARND 30
MPH AT THE TOP OF THE MIXED LAYER OVER LAND...WHICH WOULD
SUPPORT GUSTS NEAR 30 MPH AT THE SFC BY ARND DAYBREAK FRIDAY
MORNING.
KREIN
&&
.LONG TERM...
308 AM CDT
STRONG UPPER TROUGH/CLOSED LOW WILL CONTINUE TO DIG SOUTH THROUGH
THE WESTERN LAKES REGION FRIDAY. STRONG COLD AIR ADVECTION AND
TIGHTENING PRESSURE GRADIENT BETWEEN DEVELOPING SFC LOW TO OUR EAST
AND STRENGTHENING SFC HIGH APPROACHING FROM THE NORTHWEST WILL
RESULT IN STRONG NORTHERLY WINDS FRIDAY...ESPECIALLY NEAR THE LAKE.
FORECAST SOUNDINGS SUPPORT GUSTS TO AROUND 40 MPH MOST AREAS
FRIDAY...THOUGH THE LESSER FRICTION AND STRONGER INSTABILITY AND
RESULTANT MIXING NEAR THE LAKE SHOULD SUPPORT WIND GUSTS OF 50+ MPH
NEAR THE LAKE...ESPECIALLY COOK COUNTY AND NW INDIANA SHORE. COULD
BE A MARGINAL HIGH WIND WARNING FOR LAKE SHORE AREAS WITH A SOLID
WIND ADVISORY EVENT LIKELY. GIVEN THE UNCERTAINTY OPTED TO HOLD OFF
ON HEADLINES FOR NOW AND WILL LET LATER SHIFTS DECIDE.
THE FULL FETCH STORM FORCE WINDS WILL RESULT IN 20FT+
WAVES...PARTICULARLY FOR COOK COUNTY INTO NW INDIANA GIVEN THE
350-360 WIND DIRECTION. LAKE LEVELS ARE NEARLY 2 FEET HIGHER THAN
LAST YEAR AND PREVIOUS YEARS...SO EVEN THOUGH WAVES WILL NOT BE
QUITE AS HIGH AS SANDY A FEW YEARS AGO...THE LAKE SHORE FLOODING
IMPACT COULD BE SIMILAR. HAVE GONE AHEAD AND ISSUED A LAKESHORE
FLOOD ADVISORY TO HIGHLIGHT THE LIKELY COASTAL INUNDATION IMPACT
FROM THE LARGE AND BATTERING WAVES.
COULD SEE SOME SHOWERS ALONG THE COLD FRONT TONIGHT...BUT FRONT
SHOULD CLEAR THE AREA BY FRIDAY MORNING WITH SYNOPTIC PRECIP THREAT
LARGELY ENDING. HOWEVER...VERY IMPRESSIVE LAKE EFFECT SET-UP LOOKS
TO DEVELOP FRIDAY INTO FRIDAY EVENING WITH VERY HIGH LAKE INDUCED
EQUILIBRIUM LEVELS UP TO AROUND 20KFT AND UP TO NEARLY -30C. GIVEN
THE LIKELY PRESENCE OF SUPER COOLED LIQUID IN THE CLOUDS AND HIGH
EQUILIBRIUM LEVELS IT SEEMS QUITE LIKELY THAT ISOLATED THUNDERSTORMS
WILL OCCUR IN ADDITION TO FAIRLY WIDESPREAD SHOWERS FRIDAY. THESE
EARLY SEASON LAKE EFFECT EVENTS ARE ALWAYS TRICKY WITH P-TYPE AS THE
VERY COLD AIR ALOFT...AROUND -8 TO -10C AT 850MB WOULD SOLIDLY
SUPPORT SNOW DESPITE WARM WATER TEMPS IN THE 50S STILL. HAVE GONE
WITH RAIN OR SNOW SHOWERS FOR NOW...BUT THINK THE FARTHER INLAND
AWAY FROM THE LAKE YOU GET THE BETTER CHANCE WILL BE FOR ALL SNOW
SHOWERS FRIDAY AFTERNOON AND EVENING INTO NW INDIANA. GIVEN THE
POTENTIAL FOR THUNDERSTORMS AND ADDED DYNAMIC COOLING AM CONCERNED
THAT SOME PORTIONS OF NW INDIANA...ESPECIALLY A BIT INLAND FROM THE
LAKE...COULD END UP WITH A SLUSHY COUPLE INCHES OF SNOW ACCUMULATION
ON GRASSY SURFACES BY FRIDAY EVENING...THOUGH CONFIDENCE IS TOO LOW
TO HIT THAT TOO HARD AT THIS TIME. LOW LEVEL FLOW SHOULD SLOWLY VEER
SO THAT THE FOCUS FOR LAKE EFFECT PRECIP SHOULD START IN PORTER
COUNTY EARLY FRIDAY AND GRADUALLY SHIFT WEST INTO LAKE COUNTY
INDIANA FRIDAY AFTERNOON AND POTENTIALLY INTO SOUTHEAST COOK COUNTY
FRIDAY EVENING BEFORE INVERSION HEIGHTS CRASH AND LAKE EFFECT WINDS
DOWN LATE FRIDAY NIGHT.
THE COMBINATION OF STRONG WINDS AND UNSEASONABLY COLD TEMPS WILL
SEND WIND CHILLS DROPPING INTO THE 20S DURING TRICK OR TREATING
HOURS FRIDAY EVENING...WITH EVEN LESS FAVORABLE TRICK OR TREATING
WEATHER IN NW INDIANA UNDER THE LAKE EFFECT RAIN/SNOW SHOWERS. AFTER
THE UNSEASONABLY COLD TEMPERATURES AND WIND CHILLS FRIDAY INTO
FRIDAY NIGHT...LOOK FOR QUIET CONDITIONS OVER THE WEEKEND WITH VERY
SLOWLY MODERATING TEMPERATURES. PROGRESSIVE PATTERN SHOULD RESULT IN
TRANSIENT RIDGE MOVING EAST OF THE AREA EARLY NEXT WEEK WITH NEXT
SYSTEM BRINGING THE POTENTIAL FOR SHOWERS MONDAY NIGHT INTO TUESDAY.
TEMPERATURES SHOULD BE CLOSER TO SEASONAL NORMAL NEXT WEEK RETURNING
TO WHAT WILL FEEL LIKE THE RATHER PLEASANT 50S FOLLOWING FRIDAY'S
FLIRTATION WITH WINTER-LIKE TEMPERATURES.
IZZI
&&
.AVIATION...
//ORD AND MDW CONCERNS...UPDATED 20Z...
* NO ISSUES IN THE NEAR TERM.
* SOUTHWEST WINDS SHIFTING TO THE NORTHWEST WITH FROPA
TONIGHT...WITH GUSTS INCREASING THROUGH MIDDAY FRIDAY WHILE
BECOMING MORE NORTHERLY.
* CHANCE OF -SHRA/-SHSN TONIGHT THROUGH EARLY FRIDAY MORNING.
* MVFR CEILINGS LATE TONIGHT INTO FRIDAY MORNING.
RODRIGUEZ
//DISCUSSION...UPDATED 18Z...
RELATIVELY QUIET CONDITIONS EARLY THIS AFTERNOON WILL CONTINUE THIS
AFTERNOON...WHILE SOUTHWEST WINDS PREVAIL AND MID/HIGH LEVEL CLOUD
COVER CONTINUE TO STREAM OVERHEAD. CONDITIONS WILL BEGIN
DETERIORATING TONIGHT AS SYSTEM/FRONT PUSH THROUGH THE REGION. THE
CURRENT SOUTHWEST WINDS WILL TURN WEST AND NORTHWEST TONIGHT WITH
WIND SPEED/GUSTS QUICKLY INCREASING. LOWERING CEILINGS TO MVFR WILL
ALSO OCCUR WITH THE ARRIVAL OF THIS WIND SHIFT...LIKELY PERSISTING
FOR MUCH OF FRIDAY MORNING. MOISTURE WILL ALSO BE SUFFICIENT FOR
RAIN SHOWERS TO INITIALLY BE POSSIBLE BUT WITH MUCH COLDER AIR
QUICKLY FILTERING IN...SNOW SHOWERS WILL THEN BE POSSIBLE. EXPECT
THESE RAIN/SNOW SHOWERS TO BE ON THE LIGHTER SIDE...WITH NO VIS
RESTRICTION EXPECTED AS WELL AS NO SNOW ACCUMULATION. THE WINDS WILL
CONTINUE TO SHIFT MORE NORTHERLY FRIDAY MORNING AND LIKELY REMAIN IN
THIS NORTH DIRECTION FOR MUCH OF FRIDAY. THIS ORIENTATION WILL
COINCIDE WITH VERY STRONG WINDS...WITH GUSTS ANTICIPATED TO BE
AROUND 40 KT. CONDITIONS SHOULD BE BACK TO VFR FOR THE REMAINDER OF
THE DAY/FORECAST PERIOD...BUT A TREND BACK TOWARDS DETERIORATING
CONDITIONS COULD BE POSSIBLE IF LAKE EFFECT PRECIP AND CLOUD COVER
MOVE TOWARDS THE TERMINALS FRIDAY EVENING.
RODRIGUEZ
//ORD AND MDW CONFIDENCE...UPDATED 20Z...
* HIGH CONFIDENCE OF VFR CONDITIONS IN THE NEAR TERM.
* HIGH CONFIDENCE OF WIND DIRECTION AND SPEED/GUSTS...MEDIUM HIGH
CONFIDENCE OF EXACT TIMING OF FROPA.
* HIGH CONFIDENCE OF -SHRA/-SHSN...MEDIUM CONFIDENCE OF DURATION.
* HIGH CONFIDENCE OF MVFR CEILINGS...MEDIUM CONFIDENCE OF DURATION.
RODRIGUEZ
//OUTLOOK FOR ORD/MDW FOR 00Z SATURDAY-12Z THURSDAY...UPDATED
12Z...
* FRIDAY NIGHT...STRONG NORTH WINDS GUSTING TO 30 KT. CHANCE OF
SHRA OR SHSN.
* SATURDAY...VFR. WX NIL. NORTHEAST WINDS 10-15KT.
* SUNDAY...VFR. WX NIL. SOUTH WINDS.
* MONDAY...CHANCE OF SHRA. GUSTY SOUTHERLY WINDS.
* TUESDAY...CHANCE OF SHRA. WESTERLY WINDS.
* WEDNESDAY...VFR. WX NIL. SOUTHWEST WINDS.
&&
.MARINE...
250 PM CDT
A VERY ACTIVE PERIOD OVER LAKE MICHIGAN BEGINNING LATER TONIGHT. THE
AREA WILL FIND ITSELF IN A FAVORABLE AND ANOMALOUS SYNOPTIC WEATHER
PATTERN FOR STRONG NORTHERLY WINDS...AND THIS WILL BE FURTHER AIDED
BY THE WARM WATERS/EXTREME INSTABILITY TO PRODUCE REGULAR HIGHER END
STORM FORCE GUSTS PERSISTING INTO FRIDAY. A STRONG COLD FRONT WILL
MOVE DOWN THE LAKE RAPIDLY FROM AROUND MIDNIGHT THROUGH 5 AM.
IMMEDIATELY BEHIND THIS A VERY TIGHT PRESSURE GRADIENT IN SYNC WITH
COLD AIR ADVECTION WILL PRODUCE A RAMP UP IN NORTHERLY WIND SPEEDS.
THE HIGHEST WIND SPEEDS OF STORM FORCE TO 50 AND POSSIBLY EVEN 55 KT
ARE EXPECTED LATE TONIGHT THROUGH MID FRIDAY AFTERNOON FOR THE
CENTRAL AND SOUTHERN PART OF THE LAKE...AND AFTER DAYBREAK THROUGH
THE DAY ON FRIDAY FOR THE NEARSHORE AREAS OF ILLINOIS AND INDIANA.
THE WAVE MAXIMUM OF OVER 20 FOOTERS IS EXPECTED TO DEVELOP OVER THE
CENTRAL PART OF THE LAKE EARLY FRIDAY MORNING AND EVOLVE SOUTHWARD
REACHING THE ILLINOIS AND INDIANA NEARSHORE FRIDAY AFTERNOON AND
EARLY EVENING. WAVES WILL BE VERY SLOW TO SUBSIDE THROUGH LATE
FRIDAY NIGHT AND EARLY SATURDAY. HIGH PRESSURE WILL MOVE QUICKLY
OVER THE LAKE SATURDAY NIGHT BEFORE SOUTHERLY FLOW RETURNS TO THE
LAKE.
MTF
&&
.LOT WATCHES/WARNINGS/ADVISORIES...
IL...LAKESHORE FLOOD ADVISORY...ILZ014...11 AM FRIDAY TO 4 AM
SATURDAY.
IN...LAKESHORE FLOOD ADVISORY...INZ001-INZ002...11 AM FRIDAY TO 4 AM
SATURDAY.
LM...GALE WARNING...LMZ080-LMZ669-LMZ671-LMZ673-LMZ675-LMZ741-LMZ742-
LMZ743-LMZ744-LMZ745-LMZ777-LMZ779-LMZ870-LMZ872-LMZ874-
LMZ876-LMZ878...7 PM FRIDAY TO 4 AM SATURDAY.
STORM WARNING...
LMZ080-LMZ669-LMZ671-LMZ673-LMZ675-LMZ741-LMZ742-
LMZ743-LMZ744-LMZ745-LMZ777-LMZ779-LMZ870-LMZ872-LMZ874-
LMZ876-LMZ878...6 AM FRIDAY TO 7 PM FRIDAY.
GALE WARNING...LMZ261-LMZ362-LMZ364-LMZ366-LMZ563-LMZ565-LMZ567-
LMZ868...1 AM FRIDAY TO 10 PM FRIDAY.
GALE WARNING...LMZ740...6 AM FRIDAY TO 4 AM SATURDAY.
&&
VISIT US AT HTTP://WEATHER.GOV/CHICAGO (ALL LOWERCASE)
FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT:
WWW.FACEBOOK.COM/NWSCHICAGO
WWW.TWITTER.COM/NWSCHICAGO
WWW.YOUTUBE.COM/NWSCHICAGOHazardous weather outlook, Oct 30, 4:08 AM CDT, 10 hours 57 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 408 AM CDT THU OCT 30 2014 ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019- 310915- 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- 408 AM CDT THU OCT 30 2014 /508 AM EDT THU OCT 30 2014/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS... NORTHEAST ILLINOIS AND NORTHWEST INDIANA. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. NORTHERLY WINDS GUSTING TO AROUND 55 MPH ARE LIKELY NEAR THE LAKE FRIDAY RESULTING IN LARGE BATTERING WAVES WHICH COULD RESULT IN MINOR LAKE SHORE FLOODING. IN ADDITION...ISOLATED LAKE EFFECT THUNDERSTORMS ARE POSSIBLE FRIDAY OVER NORTHWEST INDIANA. LAKE EFFECT PRECIPITATION COULD CHANGE TO ALL SNOW AND FALL HEAVILY AT TIMES FRIDAY AFTERNOON AND EVENING IN LAKE AND PORTER COUNTIES IN INDIANA. EVEN WITH TEMPERATURES ABOVE FREEZING...IF SNOW WERE TO FALL HARD ENOUGH SOME SLUSHY ACCUMULATIONS COULD OCCUR ON GRASSY SURFACES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT. && LMZ740>745-310915- 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- 408 AM CDT THU OCT 30 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE ILLINOIS NEARSHORE WATERS OF LAKE MICHIGAN AND THE INDIANA NEARSHORE WATERS OF LAKE MICHIGAN. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. HIGH END GALE TO STORM FORCE WINDS ARE LIKELY FRIDAY WITH GALES CONTINUING INTO FRIDAY NIGHT. HAZARD WAVES WILL LINGER INTO SATURDAY EVENING EVEN AFTER WINDS SUBSIDE. ISOLATED THUNDERSTORM ARE POSSIBLE OVER THE INDIANA WATERS FRIDAY. && LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868- 870-872-874-876-878-310915- 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- 408 AM CDT THU OCT 30 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE OPEN WATERS OF LAKE MICHIGAN. .DAY ONE...TODAY AND TONIGHT. GALE FORCE WINDS ARE LIKELY LATE TONIGHT OVER NORTHERN LAKE MICHIGAN. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. ISOLATED THUNDERSTORMS ARE LIKELY FRIDAY. STORM FORCE WINDS ARE LIKELY FRIDAY OVER SOUTHERN LAKE MICHIGAN WITH GALES LIKELY FRIDAY NIGHT. GALE FORCE WINDS ARE LIKELY FRIDAY AND FRIDAY NIGHT OVER NORTHERN LAKE MICHIGAN. && IZZI VISIT US AT HTTP://WEATHER.GOV/CHICAGO (ALL LOWERCASE) FOLLOW US ON FACEBOOK...TWITTER...AND YOUTUBE AT: WWW.FACEBOOK.COM/NWSCHICAGO WWW.TWITTER.COM/NWSCHICAGO WWW.YOUTUBE.COM/NWSCHICAGO
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 30, 3:50 AM CDT | Storm Warning | LOT | 39 hr | |
| Oct 30, 3:52 AM CDT | Lakeshore Flood Advisory | LOT | 48 hr | |
| Oct 30, 4:05 PM CDT | Winter Weather Advisory | LOT | Jasper, Lake, Newton, Porter | 12 hr |
Nearby
Wind Advisories in Illinois, 2014Wind Advisories in Indiana, 2014Every wind advisory in 2014
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; radar from the NEXRAD Level II archive.