Alert archive / Illinois / Wind Advisories in 2009

Wind Advisory 2, NWS St. Louis, MO

February 10, 200911 counties in Illinois; 8 counties in Missouri

NWS St. Louis, MO issued this wind advisory at Feb 10, 2009, 3:41 PM CST for 11 counties in Illinois; 8 counties in Missouri. It took effect at Feb 11, 2009, 3:00 AM CST. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued: Feb 10, 2009, 3:41 PM CST (21:41 UTC)
In effect from: Feb 11, 2009, 3:00 AM CST
Expired: Feb 11, 2009, 6:00 PM CST
In force: 15 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, Crawford County, MO, Iron County, MO, Jefferson County, MO, Madison County, MO, Reynolds County, MO, Saint Francois County, MO, Sainte Genevieve County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 71 km from the middle of the area, began a volume at 21:45 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, 9.7 hours before the alert went out and 240 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 969 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 420 m²/s²
0-3 km storm-relative helicity: 432 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.

000 
WWUS73 KLSX 102141
NPWLSX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
341 PM CST TUE FEB 10 2009

...POWERFUL STORM SYSTEM WILL BRING WINDY CONDITONS...

.LOW PRESSURE OVER THE SOUTHERN PLAINS WILL MOVE QUICKLY NORTHEAST
ACROSS MISSOURI AND ILLINOIS ON WEDNESDAY. THIS LOW WILL BE
DEEPENING AS IT MOVES ACROSS THE AREA WHICH WILL CAUSE A TIGHT
PRESSURE GRADIENT AROUND IT.  

ILZ059-060-064-065-069-070-074-079-100>102-MOZ065-072>075-084-085-
099-110945-
/O.NEW.KLSX.WI.Y.0002.090211T0900Z-090212T0000Z/
MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL-MARION IL-
WASHINGTON IL-RANDOLPH IL-MADISON IL-ST. CLAIR IL-MONROE IL-
JEFFERSON-CRAWFORD-WASHINGTON-ST. FRANCOIS-STE. GENEVIEVE-IRON-
MADISON-REYNOLDS-
INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM...
CHESTER...EDWARDSVILLE...BELLEVILLE...FARMINGTON
341 PM CST TUE FEB 10 2009

...WIND ADVISORY IN EFFECT FROM 3 AM TO 6 PM CST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 6 PM CST WEDNESDAY. 

LOW PRESSURE WILL BE DEEPENING AS IT MOVES QUICKLY ACROSS THE
CENTRAL PARTS OF MISSOURI AND ILLINOIS ON WEDNESDAY. THE STRONG
PRESSURE GRADIENT SURROUNDING THIS LOW WILL CAUSE SOUTH WINDS TO
INCREASE LATE TONIGHT INTO THE 15 TO 25 MPH RANGE WITH SOME GUSTS
TO 40 MPH.  SOUTHWEST WINDS ON WEDNESDAY ARE EXPECTED TO BE
SUSTAINED AT 20 TO 35 MPH WITH SOME GUSTS EXCEEDING 45 MPH.

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

3 follow-up statements

000 
WWUS73 KLSX 111015
NPWLSX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
415 AM CST WED FEB 11 2009

...POWERFUL STORM SYSTEM WILL BRING VERY WINDY CONDITIONS...

.AN INTENSIFYING LOW PRESSURE SYSTEM WILL MOVE QUICKLY NORTHEAST
THROUGH SOUTHEAST MISSOURI AND CENTRAL ILLINOIS TODAY. THIS LOW
WILL BE DEEPENING AS IT MOVES ACROSS THE AREA WHICH WILL CAUSE A
TIGHT PRESSURE GRADIENT AROUND IT.

ILZ059-060-064-065-069-070-074-079-100>102-MOZ065-072>075-084-085-
099-120000-
/O.CON.KLSX.WI.Y.0002.000000T0000Z-090212T0000Z/
MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL-MARION IL-
WASHINGTON IL-RANDOLPH IL-MADISON IL-ST. CLAIR IL-MONROE IL-
JEFFERSON-CRAWFORD-WASHINGTON-ST. FRANCOIS-STE. GENEVIEVE-IRON-
MADISON-REYNOLDS-
INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM...
CHESTER...EDWARDSVILLE...BELLEVILLE...FARMINGTON
415 AM CST WED FEB 11 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. 

LOW PRESSURE WILL BE DEEPENING AS IT MOVES QUICKLY ACROSS
SOUTHEAST MISSOURI AND CENTRAL ILLINOIS TODAY. THE STRONG
PRESSURE GRADIENT SURROUNDING THIS LOW WILL CAUSE THE WIND TO
INCREASE TO 25 TO 35 MPH WITH SOME GUSTS EXCEEDING 45 MPH.

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.

$$

GKS

000 
WWUS73 KLSX 112146
NPWLSX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
346 PM CST WED FEB 11 2009

MOZ072-073-084-099-112300-
/O.CAN.KLSX.WI.Y.0002.000000T0000Z-090212T0000Z/
CRAWFORD-WASHINGTON-IRON-REYNOLDS-
346 PM CST WED FEB 11 2009

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS CANCELLED THE WIND
ADVISORY. 

WESTERLY WINDS HAVE FALLEN BELOW ADVISORY CRITERIA LATE THIS
AFTERNOON...SO THE ADVISORY HAS BEEN CANCELLED.

$$

ILZ059-060-064-065-069-070-074-079-100>102-MOZ065-074-075-085-
120000-
/O.CON.KLSX.WI.Y.0002.000000T0000Z-090212T0000Z/
MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL-MARION IL-
WASHINGTON IL-RANDOLPH IL-MADISON IL-ST. CLAIR IL-MONROE IL-
JEFFERSON-ST. FRANCOIS-STE. GENEVIEVE-MADISON-
INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM...
CHESTER...EDWARDSVILLE...BELLEVILLE...FARMINGTON
346 PM CST WED FEB 11 2009

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS AFTERNOON. 

LOW PRESSURE WILL BE MOVING OFF QUICKLY INTO THE GREAT LAKES THIS
EVENING. UNTIL THEN...WESTERLY WINDS WILL CONTINUE TO GUST UP TO
45 MPH LATE THIS AFTERNOON.

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

000 
WWUS73 KLSX 120005
NPWLSX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
605 PM CST WED FEB 11 2009

ILZ059-060-064-065-069-070-074-079-100>102-MOZ065-074-075-085-
120115-
/O.EXP.KLSX.WI.Y.0002.000000T0000Z-090212T0000Z/
MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL-MARION IL-
WASHINGTON IL-RANDOLPH IL-MADISON IL-ST. CLAIR IL-MONROE IL-
JEFFERSON-ST. FRANCOIS-STE. GENEVIEVE-MADISON-
INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM...
CHESTER...EDWARDSVILLE...BELLEVILLE...FARMINGTON
605 PM CST WED FEB 11 2009

...WIND ADVISORY HAS EXPIRED...

THE WIND ADVISORY IS NO LONGER IN EFFECT. 

WEST TO NORTHWEST WINDS WILL CONTINUE TO BLOW AT 20 TO 25 MPH
SUSTAINED WITH GUSTS TO 35 MPH THROUGH THE MIDDLE PART OF THE
EVENING. HOWEVER...THESE SHOULD NOT BE ENOUGH TO RESULT IN ANY
WIND DAMAGE...ALTHOUGH UNSECURED LIGHT OBJECTS MAY STILL BLOW
AWAY. 

$$

TES

Nearby

Wind Advisories in Illinois, 2009 Wind Advisories in Missouri, 2009 Every wind advisory in 2009

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.