Alert archive / Illinois / Wind Advisories in 2013

Wind Advisory 2, NWS St. Louis, MO

February 18, 201310 counties in Illinois; Madison County, Sainte Genevieve County, Saint Francois County, Missouri

NWS St. Louis, MO issued this wind advisory at Feb 18, 2013, 3:25 AM CST for 10 counties in Illinois; Madison County, Sainte Genevieve County, Saint Francois County, Missouri. It took effect at Feb 18, 2013, 12:00 PM CST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Feb 18, 2013, 3:25 AM CST (09:25 UTC)
In effect from
Feb 18, 2013, 12:00 PM CST
Expired
Feb 18, 2013, 6:00 PM CST
In force
6 hr
Issued by
NWS St. Louis, MO

Counties Bond County, IL, Clinton County, IL, Fayette County, IL, Madison County, IL, Marion County, IL, Monroe County, IL, Montgomery County, IL, Randolph County, IL, Saint Clair County, IL, Washington County, IL, Madison County, MO, Saint Francois County, MO, Sainte Genevieve County, MO

The radar

The St Louis radar (KLSX), 88 km from the middle of the area, began a volume at 09:26 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 00:00Z, 9.4 hours before the alert went out and 215 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 00:00Z on 2013-02-18Temperature 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 00:00Z on 2013-02-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 206 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
1434 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
206 m²/s²
0-3 km storm-relative helicity
382 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.

437 
WWUS73 KLSX 180925
NPWLSX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
325 AM CST MON FEB 18 2013

ILZ060-064-065-069-070-074-079-100>102-MOZ074-075-085-190000-
/O.NEW.KLSX.WI.Y.0002.130218T1800Z-130219T0000Z/
BOND IL-CLINTON IL-FAYETTE IL-MADISON IL-MADISON MO-MARION IL-
MONROE IL-MONTGOMERY IL-RANDOLPH IL-ST. CLAIR IL-ST. FRANCOIS MO-
STE. GENEVIEVE MO-WASHINGTON IL-
INCLUDING THE CITIES OF...BELLEVILLE...CHESTER...EDWARDSVILLE...
FARMINGTON...LITCHFIELD...SALEM...VANDALIA
325 AM CST MON FEB 18 2013

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 6 PM CST THIS
EVENING...

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

* TIMING...SOUTH WINDS WILL BECOME STRONG AND GUSTY THIS
  AFTERNOON. THESE STRONG AND GUSTY WINDS MAY CONTINUE INTO EARLY
  THIS EVENING.

* WINDS...SOUTH 20 TO 30 MPH WITH GUSTS UP TO 45 MPH.

* IMPACTS...STRONG WINDS MAY MAKE TRAVEL DIFFICULT...ESPECIALLY
  FOR DRIVERS OF HIGH PROFILE VEHICLES AND THOSE DRIVING ON WEST
  TO EAST ROADS. IN ADDITION...UNSECURED AND EXPOSED LIGHT WEIGHT
  FURNITURE ON PORCHES OR PATIOS WILL LIKELY GET MOVED.

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.

&&

$$

TES
1 follow-up statement
517 
WWUS73 KLSX 190001
NPWLSX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE ST LOUIS MO
601 PM CST MON FEB 18 2013

ILZ060-064-065-069-070-074-079-100>102-MOZ074-075-085-190115-
/O.EXP.KLSX.WI.Y.0002.000000T0000Z-130219T0000Z/
MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL-MARION IL-
WASHINGTON IL-RANDOLPH IL-MADISON IL-ST. CLAIR IL-MONROE IL-
ST. FRANCOIS MO-STE. GENEVIEVE MO-MADISON MO-
INCLUDING THE CITIES OF...LITCHFIELD...VANDALIA...SALEM...
CHESTER...EDWARDSVILLE...BELLEVILLE...FARMINGTON
601 PM CST MON FEB 18 2013

...WIND ADVISORY WILL EXPIRE AT 6 PM CST THIS EVENING...

WHILE WESTERLY WINDS MAY GUST TO AROUND 35 MPH THIS EVENING...THEY
ARE EXPECTED TO REMAIN BELOW ADVISORY CRITERIA.

$$

BRITT

Nearby

Wind Advisories in Illinois, 2013Wind Advisories in Missouri, 2013Every wind advisory in 2013

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.