Alert archive / Illinois / Wind Advisories in 2011

Wind Advisory 3, NWS Lincoln, IL

April 30, 201114 counties in Illinois

NWS Lincoln, IL issued this wind advisory at Apr 30, 2011, 1:24 PM CDT for 14 counties in Illinois. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Apr 30, 2011, 1:24 PM CDT (18:24 UTC)
Expired
Apr 30, 2011, 5:00 PM CDT
In force
4 hr
Issued by
NWS Lincoln, IL

Counties Champaign County, IL, Christian County, IL, Coles County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Logan County, IL, Macon County, IL, McLean County, IL, Moultrie County, IL, Piatt County, IL, Sangamon County, IL, Shelby County, IL, Vermilion County, IL

The radar

The Lincoln radar (KILX), 66 km from the middle of the area, began a volume at 18:24 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, 6.4 hours before the alert went out and 31 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, Lincoln, IL at 12:00Z on 2011-04-30Temperature 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, Lincoln, IL at 12:00Z on 2011-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 491 square meters per square second.1939587897Sfc1 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
1459 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
491 m²/s²
0-3 km storm-relative helicity
564 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

397 
WWUS73 KILX 301824
NPWILX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
124 PM CDT SAT APR 30 2011

ILZ038-042>046-051>057-061-302200-
/O.NEW.KILX.WI.Y.0003.110430T1824Z-110430T2200Z/
MCLEAN-LOGAN-DE WITT-PIATT-CHAMPAIGN-VERMILION-SANGAMON-CHRISTIAN-
MACON-MOULTRIE-DOUGLAS-COLES-EDGAR-SHELBY-
INCLUDING THE CITIES OF...BLOOMINGTON...NORMAL...LINCOLN...
CHAMPAIGN...URBANA...DANVILLE...SPRINGFIELD...TAYLORVILLE...
DECATUR...CHARLESTON...MATTOON...SHELBYVILLE
124 PM CDT SAT APR 30 2011

...WIND ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON. 

* TIMING...FROM 1 PM UNTIL 5 PM THIS EVENING.

* WINDS...SOUTHERLY WINDS AT 30 TO 35 MPH...GUSTING TO 45 MPH AT
  TIMES WILL CONTINUE THROUGH THE AFTERNOON HOURS.

* IMPACTS...GUSTY WINDS CAN MAKE TRAVEL DIFFICULT...PARTICULARLY
  IN A HIGH PROFILE VEHICLE AND ON EAST WEST ORIENTED ROADS.  


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 MPH ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

HJS
1 follow-up statement
065 
WWUS73 KILX 302206
NPWILX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
506 PM CDT SAT APR 30 2011

...WIND ADVISORY ALLOWED TO EXPIRE AT 5 PM CDT..

.SOUTH WINDS HAVE SUBSIDED ACROSS CENTRAL ILLINOIS LATE THIS
AFTERNOON SO THE WIND ADVISORY IS ALLOWED TO EXPIRED.

ILZ038-042>046-051>057-061-302315-
/O.EXP.KILX.WI.Y.0003.000000T0000Z-110430T2200Z/
MCLEAN-LOGAN-DE WITT-PIATT-CHAMPAIGN-VERMILION-SANGAMON-CHRISTIAN-
MACON-MOULTRIE-DOUGLAS-COLES-EDGAR-SHELBY-
INCLUDING THE CITIES OF...BLOOMINGTON...NORMAL...LINCOLN...
CHAMPAIGN...URBANA...DANVILLE...SPRINGFIELD...TAYLORVILLE...
DECATUR...CHARLESTON...MATTOON...SHELBYVILLE
506 PM CDT SAT APR 30 2011

...WIND ADVISORY HAS EXPIRED...

THE WIND ADVISORY IS NO LONGER IN EFFECT ACROSS CENTRAL ILLINOIS.
SOUTH WINDS HAVE DIMINISHED BELOW ADVISORY CRITERIA WITH GUSTS OF
25 TO 35 MPH.

$$

KH

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 10:11 PM CDTAreal Flood WarningILXLawrence12 hr
Apr 30, 1:51 PM CDTAreal Flood WarningILXLawrence34 hr

Nearby

Wind Advisories in Illinois, 2011Every wind advisory in 2011

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.