Alert archive / Illinois / Wind Advisories in 2011

Wind Advisory 3, NWS St. Louis, MO

November 12, 201111 counties in Illinois

NWS St. Louis, MO issued this wind advisory at Nov 12, 2011, 3:19 PM CST for 11 counties in Illinois. It took effect at Nov 13, 2011, 8:00 AM CST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Nov 12, 2011, 3:19 PM CST (21:19 UTC)
In effect from
Nov 13, 2011, 8:00 AM CST
Expired
Nov 13, 2011, 4:00 PM CST
In force
8 hr
Issued by
NWS St. Louis, MO

Counties Bond County, IL, Clinton County, IL, Fayette County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Monroe County, IL, Montgomery County, IL, Randolph County, IL, Saint Clair County, IL, Washington County, IL

The radar

The St Louis radar (KLSX), 95 km from the middle of the area, began a volume at 21:16 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, 9.3 hours before the alert went out and 183 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 2011-11-12Temperature 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 2011-11-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 square meters per square second.19395878Sfc1 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
2001 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
128 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.

109 
WWUS73 KLSX 122119
NPWLSX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
319 PM CST SAT NOV 12 2011

ILZ059-060-064-065-069-070-074-079-100>102-131100-
/O.NEW.KLSX.WI.Y.0003.111113T1400Z-111113T2200Z/
MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL-MARION IL-
WASHINGTON IL-RANDOLPH IL-MADISON IL-ST. CLAIR IL-MONROE IL-
INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM...
CHESTER...EDWARDSVILLE...BELLEVILLE
319 PM CST SAT NOV 12 2011

...WIND ADVISORY IN EFFECT FROM 8 AM TO 4 PM CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 8 AM TO 4 PM CST SUNDAY. 

* TIMING...WINDY CONDITIONS ARE EXPECTED ON SUNDAY MORNING AND
  AFTERNOON.

* WINDS...SUSTAINED WINDS WILL BE AS HIGH AS 30 MPH WITH GUSTS TO
  45 MPH AT TIMES.

* IMPACTS...THE WIND MAY BLOW AROUND UNSECURED OUTDOOR OBJECTS
  SUCH AS TRASH CANS AND LAWN FURNITURE AND MAKE DRIVING HIGH
  PROFILE VEHICLES DIFFICULT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
30 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 45 AND 57 MPH. WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

&&

$$

BRITT
2 follow-up statements
679 
WWUS73 KLSX 130940
NPWLSX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
340 AM CST SUN NOV 13 2011

ILZ059-060-064-065-069-070-074-079-100>102-132200-
/O.CON.KLSX.WI.Y.0003.111113T1400Z-111113T2200Z/
MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL-MARION IL-
WASHINGTON IL-RANDOLPH IL-MADISON IL-ST. CLAIR IL-MONROE IL-
INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM...
CHESTER...EDWARDSVILLE...BELLEVILLE
340 AM CST SUN NOV 13 2011

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 4 PM
CST THIS AFTERNOON...

* TIMING...WINDY CONDITIONS ARE EXPECTED THIS MORNING AND 
  AFTERNOON. 

* WINDS...SUSTAINED WINDS WILL BE AS HIGH AS 30 MPH WITH GUSTS 
  TO 45 MPH AT TIMES. 

* IMPACTS...THE WIND MAY BLOW AROUND UNSECURED OUTDOOR OBJECTS 
  SUCH AS TRASH CANS AND LAWN FURNITURE AND MAKE DRIVING HIGH 
  PROFILE VEHICLES DIFFICULT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
30 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 45 AND 57 MPH. WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE
CAUTION UNTIL THE WINDS SUBSIDE.

&&

$$

BYRD
071 
WWUS73 KLSX 132153
NPWLSX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
353 PM CST SUN NOV 13 2011

ILZ059-060-064-065-069-070-074-079-100>102-132300-
/O.EXP.KLSX.WI.Y.0003.000000T0000Z-111113T2200Z/
MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL-MARION IL-
WASHINGTON IL-RANDOLPH IL-MADISON IL-ST. CLAIR IL-MONROE IL-
INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM...
CHESTER...EDWARDSVILLE...BELLEVILLE
353 PM CST SUN NOV 13 2011

...WIND ADVISORY WILL EXPIRE AT 4 PM CST THIS AFTERNOON...

SOUTHWEST WINDS WILL CONTINUE TO DECREASE THE REST OF THE AFTERNOON
AND FALL INTO THE 10 TO 15 MPH RANGE THIS EVENING.

$$

BRITT

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.