Alert archive / Illinois / High Wind Warnings in 2017

High Wind Warning 2, NWS Chicago, IL

March 8, 20176 counties in Illinois; Lake County, Porter County, Indiana

NWS Chicago, IL issued this high wind warning at Mar 8, 2017, 11:23 AM CST for 6 counties in Illinois; Lake County, Porter County, Indiana. It was in force for 6 hr. 5 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 8, 2017, 11:23 AM CST (17:23 UTC)
Expired
Mar 8, 2017, 5:00 PM CST
In force
6 hr
Issued by
NWS Chicago, IL

Counties Boone County, IL, DuPage County, IL, Kane County, IL, Lake County, IL, McHenry County, IL, Winnebago County, IL, Lake County, IN, Porter County, IN

What was reported inside it

TimeReportWhereRemark
Mar 8, 11:45 AM CSTNON-TSTM WND DMGRockford, ILSMALL TREE DAMAGE, ROOF SHINGLES BLOWN OFF.
Mar 8, 12:30 PM CSTNON-TSTM WND DMGGurnee, ILTREES DOWN ON POWER LINES.
Mar 8, 12:38 PM CSTNON-TSTM WND GST 62Dupage Airport, ILPEAK WIND GUST AT DPA AIRPORT.
Mar 8, 1:30 PM CSTNON-TSTM WND DMGHobart, INLARGE 1 FT DIAMETER 30 FT LONG LIMB FELL ON HOUSE NEAR 3RD ST AND WISCONSIN. NUMEROUS APPROX 5-6 INCH DIAMETER LIMBS BLOWN DOWN NEAR 10TH ST AND WISCONSIN.
Mar 8, 1:30 PM CSTNON-TSTM WND DMGWaukegan, ILTREES DOWN ON CARS.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 5.4 hours before the alert went out and 199 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.

Skew-T log-pSkew-T log-p diagram, Davenport, at 12:00Z on 2017-03-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 12:00Z on 2017-03-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 307 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2415 m above ground
0-6 km bulk shear
93 kt
0-1 km storm-relative helicity
307 m²/s²
0-3 km storm-relative helicity
374 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

410 
WWUS73 KLOT 081723
NPWLOT

URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
1123 AM CST Wed Mar 8 2017

...STRONG GUSTY WESTERLY WINDS EXPECTED THROUGH MID TO LATE
AFTERNOON...

ILZ003>006-090000-
/O.UPG.KLOT.WI.Y.0002.000000T0000Z-170309T0000Z/
/O.NEW.KLOT.HW.W.0002.170308T1723Z-170308T2300Z/
/O.NEW.KLOT.WI.Y.0003.170308T2300Z-170309T0000Z/
Winnebago-Boone-McHenry-Lake IL-
1123 AM CST Wed Mar 8 2017

...HIGH WIND WARNING IN EFFECT UNTIL 5 PM CST THIS AFTERNOON...

The National Weather Service in Chicago has upgraded the Wind
Advisory to a High Wind Warning, which is in effect until 5 PM 
CST this afternoon.

* TIMING...Mid-morning through late afternoon on Wednesday.

* WINDS...30 to 40 MPH with gusts to around 60 MPH. Localized 
  Gusts to 60 MPH. 

* IMPACTS...Tree and limb damage is expected, and power poles may
  come down. Trees have been reported down in Waukegan and other
  damage has been reported in Rockford. 


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.

&&

$$

ILZ008-010>014-019>023-032-033-039-INZ001-002-010-011-019-090000-
/O.CON.KLOT.WI.Y.0002.000000T0000Z-170309T0000Z/
Ogle-Lee-De Kalb-Kane-DuPage-Cook-La Salle-Kendall-Grundy-Will-
Kankakee-Livingston-Iroquois-Ford-Lake IN-Porter-Newton-Jasper-
Benton-
1123 AM CST Wed Mar 8 2017 /1223 PM EST Wed Mar 8 2017/

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST /7 PM EST/ THIS
EVENING...

* TIMING...Mid-morning through late afternoon on Wednesday.

* WINDS...25 to 35 MPH with gusts of 45 to 55 MPH. Localized Gusts to
  60 MPH. 

* IMPACTS...Travel may become difficult for high profile 
  vehicles...and loose objects will be blown around. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 30 mph or wind
gusts in excess of 45 mph are expected. Winds this strong can
make driving difficult...especially for high profile vehicles.
Use extra caution.

&&

$$

KMD
3 follow-up statements
825 
WWUS73 KLOT 082035
NPWLOT

URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
235 PM CST Wed Mar 8 2017

...STRONG GUSTY WESTERLY WINDS EXPECTED THROUGH MID TO LATE
AFTERNOON...

ILZ003>006-082300-
/O.CAN.KLOT.WI.Y.0003.170308T2300Z-170309T0000Z/
/O.CON.KLOT.HW.W.0002.000000T0000Z-170308T2300Z/
Winnebago-Boone-McHenry-Lake IL-
235 PM CST Wed Mar 8 2017

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS
AFTERNOON...

* TIMING...through late afternoon.

* WINDS...30 to 40 MPH with gusts to around 60 MPH. 

* IMPACTS...Tree and limb damage is expected, and power poles 
  may come down. Trees have been reported down in Waukegan and 
  other damage has been reported in Rockford. 

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.

&&

$$

ILZ012>014-022-INZ001-002-090000-
/O.UPG.KLOT.WI.Y.0002.000000T0000Z-170309T0000Z/
/O.EXA.KLOT.HW.W.0002.000000T0000Z-170308T2300Z/
Kane-DuPage-Cook-Will-Lake IN-Porter-
235 PM CST Wed Mar 8 2017

...HIGH WIND WARNING IN EFFECT UNTIL 5 PM CST THIS AFTERNOON...

The National Weather Service in Chicago has issued a High Wind
Warning, which is in effect until 5 PM CST this afternoon. 

* TIMING...through late afternoon.

* WINDS...30 to 40 MPH with gusts to 60 mph.

* IMPACTS...Tree and power line damage is expected. Trees may fall
  on cars.

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.

&&

$$

ILZ008-010-011-019>021-023-032-033-039-INZ010-011-019-090000-
/O.CON.KLOT.WI.Y.0002.000000T0000Z-170309T0000Z/
Ogle-Lee-De Kalb-La Salle-Kendall-Grundy-Kankakee-Livingston-
Iroquois-Ford-Newton-Jasper-Benton-
235 PM CST Wed Mar 8 2017 /335 PM EST Wed Mar 8 2017/

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST /7 PM EST/ THIS
EVENING...

* TIMING...through late afternoon.

* WINDS...25 to 35 MPH with gusts of 45 to 55 MPH. Localized 
  Gusts to 60 MPH. 

* IMPACTS...Travel may become difficult for high profile 
  vehicles...and loose objects will be blown around. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 30 mph or wind
gusts in excess of 45 mph are expected. Winds this strong can
make driving difficult...especially for high profile vehicles.
Use extra caution.

&&

$$

KMD
647 
WWUS73 KLOT 082055 AAA
NPWLOT

URGENT - WEATHER MESSAGE...UPDATED
National Weather Service Chicago IL
255 PM CST Wed Mar 8 2017

...STRONG GUSTY WESTERLY WINDS EXPECTED THROUGH MID TO LATE
AFTERNOON...

ILZ003>006-012>014-022-INZ001-002-082300-
/O.CON.KLOT.HW.W.0002.000000T0000Z-170308T2300Z/
Winnebago-Boone-McHenry-Lake IL-Kane-DuPage-Cook-Will-Lake IN-
Porter-
255 PM CST Wed Mar 8 2017

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS
AFTERNOON...

* TIMING...through late afternoon.

* WINDS...30 to 40 MPH with gusts to around 60 MPH.

* IMPACTS...Tree and limb damage is expected, and power poles 
  may come down. Trees have been reported down in Waukegan and 
  other damage has been reported in Rockford. 

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.

&&

$$

ILZ008-010-011-019>021-023-032-033-039-INZ010-011-019-090000-
/O.CON.KLOT.WI.Y.0002.000000T0000Z-170309T0000Z/
Ogle-Lee-De Kalb-La Salle-Kendall-Grundy-Kankakee-Livingston-
Iroquois-Ford-Newton-Jasper-Benton-
255 PM CST Wed Mar 8 2017 /355 PM EST Wed Mar 8 2017/

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST /7 PM EST/ THIS
EVENING...

* TIMING...through late afternoon.

* WINDS...25 to 35 MPH with gusts of 45 to 55 MPH. Localized 
  Gusts to 60 MPH. 

* IMPACTS...Travel may become difficult for high profile 
  vehicles...and loose objects will be blown around. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 30 mph or wind
gusts in excess of 45 mph are expected. Winds this strong can
make driving difficult...especially for high profile vehicles.
Use extra caution.

&&

$$

KMD
985 
WWUS73 KLOT 082305
NPWLOT

URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
505 PM CST Wed Mar 8 2017


ILZ003>006-012>014-022-INZ001-002-090015-
/O.EXP.KLOT.HW.W.0002.000000T0000Z-170308T2300Z/
Winnebago-Boone-McHenry-Lake IL-Kane-DuPage-Cook-Will-Lake IN-
Porter-
Including the cities of Rockford, Belvidere, Woodstock, Waukegan,
Aurora, Elgin, Wheaton, Chicago, Joliet, Gary, and Valparaiso
505 PM CST Wed Mar 8 2017

...HIGH WIND WARNING HAS EXPIRED...

WHILE THE WINDS WILL REMAIN GUSTY THROUGH 6 PM...WINDS WILL 
CONTINUE TO ABATE EARLY THIS EVENING.

$$

ILZ008-010-011-019>021-023-032-033-039-INZ010-011-019-090015-
/O.CON.KLOT.WI.Y.0002.000000T0000Z-170309T0000Z/
Ogle-Lee-De Kalb-La Salle-Kendall-Grundy-Kankakee-Livingston-
Iroquois-Ford-Newton-Jasper-Benton-
Including the cities of Oregon, Dixon, Dekalb, Ottawa, Oswego, 
Morris, Kankakee, Pontiac, Watseka, Paxton, Morocco, Rensselaer, 
and Fowler
505 PM CST Wed Mar 8 2017 /605 PM EST Wed Mar 8 2017/

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST /7 PM EST/ THIS
EVENING...

* TIMING...through 6 PM.

* WINDS...25 to 30 MPH with gusts of 40 MPH. 

* IMPACTS...Travel may become difficult for high profile 
  vehicles...and loose objects will be blown around. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained winds of 30 mph or wind
gusts in excess of 45 mph are expected. Winds this strong can
make driving difficult...especially for high profile vehicles.
Use extra caution.

&&

$$

KJB

The office that day

Everything else NWS Chicago, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 7, 7:26 PM CSTSpecial Marine WarningLOT94 min
Mar 7, 7:38 PM CSTWind AdvisoryLOTBoone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more22 hr
Mar 8, 9:35 AM CSTRed Flag WarningLOTBoone, Cook, DeKalb, DuPage, Grundy, Kane and 10 more7 hr
Mar 8, 11:23 AM CSTWind AdvisoryLOTBoone, Lake, McHenry, Winnebago3 hr
Mar 8, 12:11 PM CSTStorm WarningLOT5 hr

Nearby

High Wind Warnings in Illinois, 2017High Wind Warnings in Indiana, 2017Every high wind warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.