Alert archive / Missouri / Wind Advisories in 2012

Wind Advisory 1, NWS St. Louis, MO

February 23, 20126 counties in Illinois; 20 counties in Missouri

NWS St. Louis, MO issued this wind advisory at Feb 23, 2012, 2:28 PM CST for 6 counties in Illinois; 20 counties in Missouri. It took effect at Feb 23, 2012, 6:00 PM CST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Feb 23, 2012, 2:28 PM CST (20:28 UTC)
In effect from
Feb 23, 2012, 6:00 PM CST
Expired
Feb 24, 2012, 6:00 AM CST
In force
12 hr
Issued by
NWS St. Louis, MO
All 26 counties

Clinton County, IL, Madison County, IL, Monroe County, IL, Randolph County, IL, Saint Clair County, IL, Washington County, IL, Boone County, MO, Callaway County, MO, City of Saint Louis, MO, Cole County, MO, Crawford County, MO, Franklin County, MO, Gasconade County, MO, Iron County, MO, Jefferson County, MO, Madison County, MO, Moniteau County, MO, Montgomery County, MO, Osage County, MO, Reynolds County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Warren County, MO, Washington County, MO

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.5 hours before the alert went out and 278 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 2012-02-23Temperature 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 2012-02-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 square meters per square second.1939587897117136156Sfc1 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
1374 m above ground
0-6 km bulk shear
81 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
194 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.

196 
WWUS73 KLSX 232028
NPWLSX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
228 PM CST THU FEB 23 2012

...WINDY CONDITIONS EXPECTED TONIGHT...

ILZ069-074-079-100>102-MOZ041-047>051-059>065-072>075-084-085-099-
241000-
/O.NEW.KLSX.WI.Y.0001.120224T0000Z-120224T1200Z/
CLINTON IL-WASHINGTON IL-RANDOLPH IL-MADISON IL-ST. CLAIR IL-
MONROE IL-BOONE MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-
MONTGOMERY MO-GASCONADE MO-WARREN MO-ST. CHARLES MO-FRANKLIN MO-
ST. LOUIS MO-ST. LOUIS CITY MO-JEFFERSON MO-CRAWFORD MO-
WASHINGTON MO-ST. FRANCOIS MO-STE. GENEVIEVE MO-IRON MO-
MADISON MO-REYNOLDS MO-
INCLUDING THE CITIES OF...CHESTER...EDWARDSVILLE...BELLEVILLE...
COLUMBIA...JEFFERSON CITY...ST CHARLES...UNION...ST LOUIS...
FARMINGTON
228 PM CST THU FEB 23 2012

...WIND ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST
FRIDAY...

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

* TIMING...WINDS WILL INCREASE TONIGHT.

* WINDS...A WEST WIND OF 25 TO 30 MPH WILL GUST TO 45 MPH.

* IMPACTS...MINOR PROPERTY DAMAGE AND DIFFICULT DRIVING FOR HIGH
  PROFILE VEHICLES.

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.

&&

$$

CVKING
2 follow-up statements
327 
WWUS73 KLSX 240947
NPWLSX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
347 AM CST FRI FEB 24 2012


ILZ069-074-079-100>102-MOZ041-047>051-059>065-072>075-084-085-099-
241200-
/O.CON.KLSX.WI.Y.0001.000000T0000Z-120224T1200Z/
CLINTON IL-WASHINGTON IL-RANDOLPH IL-MADISON IL-ST. CLAIR IL-
MONROE IL-BOONE MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-
MONTGOMERY MO-GASCONADE MO-WARREN MO-ST. CHARLES MO-FRANKLIN MO-
ST. LOUIS MO-ST. LOUIS CITY MO-JEFFERSON MO-CRAWFORD MO-
WASHINGTON MO-ST. FRANCOIS MO-STE. GENEVIEVE MO-IRON MO-
MADISON MO-REYNOLDS MO-
INCLUDING THE CITIES OF...CHESTER...EDWARDSVILLE...BELLEVILLE...
COLUMBIA...JEFFERSON CITY...ST CHARLES...UNION...ST LOUIS...
FARMINGTON
347 AM CST FRI FEB 24 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY THIS
MORNING...

* TIMING...HIGH WINDS WILL CONTINUE FOR THE NEXT COUPLE OF HOURS.

* WINDS...A WEST WIND OF 25 TO 30 MPH WILL GUST TO 45 MPH AT TIMES.

* IMPACTS...MINOR PROPERTY DAMAGE AND DIFFICULT DRIVING FOR HIGH 
  PROFILE VEHICLES. 

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
125 
WWUS73 KLSX 241144
NPWLSX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
544 AM CST FRI FEB 24 2012


ILZ069-074-079-100>102-MOZ041-047>051-059>065-072>075-084-085-099-
241245-
/O.EXP.KLSX.WI.Y.0001.000000T0000Z-120224T1200Z/
CLINTON IL-WASHINGTON IL-RANDOLPH IL-MADISON IL-ST. CLAIR IL-
MONROE IL-BOONE MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-
MONTGOMERY MO-GASCONADE MO-WARREN MO-ST. CHARLES MO-FRANKLIN MO-
ST. LOUIS MO-ST. LOUIS CITY MO-JEFFERSON MO-CRAWFORD MO-
WASHINGTON MO-ST. FRANCOIS MO-STE. GENEVIEVE MO-IRON MO-
MADISON MO-REYNOLDS MO-
INCLUDING THE CITIES OF...CHESTER...EDWARDSVILLE...BELLEVILLE...
COLUMBIA...JEFFERSON CITY...ST CHARLES...UNION...ST LOUIS...
FARMINGTON
544 AM CST FRI FEB 24 2012

...WIND ADVISORY WILL EXPIRE AT 6 AM CST EARLY THIS MORNING...

WINDS ACROSS THE REGION HAVE DIMINISHED BELOW ADVISORY LEVELS...
SO THE WIND ADVISORY HAS BEEN ALLOWED TO EXPIRE.

ALTHOUGH WINDS TODAY WILL NOT BE EXTREME THEY WILL REMAIN
STRONG...AND OCCASIONAL GUSTS TO 35 MPH CAN BE EXPECTED ACROSS THE
REGION.

$$

BYRD

Nearby

Wind Advisories in Missouri, 2012Wind Advisories in Illinois, 2012Every wind advisory in 2012

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.