Alert archive / Illinois / Wind Advisories in 2019

Wind Advisory 3, NWS St. Louis, MO

February 12, 201913 counties in Illinois

NWS St. Louis, MO issued this wind advisory at Feb 12, 2019, 3:41 AM CST for 13 counties in Illinois. It took effect at Feb 12, 2019, 12:00 PM CST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Feb 12, 2019, 3:41 AM CST (09:41 UTC)
In effect from
Feb 12, 2019, 12:00 PM CST
Expired
Feb 12, 2019, 6:00 PM CST
In force
6 hr
Issued by
NWS St. Louis, MO

Counties Adams County, IL, Bond County, IL, Brown County, IL, Clinton County, IL, Fayette County, IL, Greene County, IL, Jersey County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Montgomery County, IL, Pike County, IL, Washington County, IL

The radar

The St Louis radar (KLSX), 82 km from the middle of the area, began a volume at 09:45 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 00:00Z, 9.7 hours before the alert went out and 160 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 2019-02-12Temperature 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 00:00Z on 2019-02-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 336 square meters per square second.1939587897117Sfc1 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
472 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
336 m²/s²
0-3 km storm-relative helicity
441 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

298 
WWUS73 KLSX 120941
NPWLSX

URGENT - WEATHER MESSAGE
National Weather Service Saint Louis MO
341 AM CST Tue Feb 12 2019

ILZ058>060-064-065-069-070-074-095>097-099-100-122200-
/O.NEW.KLSX.WI.Y.0003.190212T1800Z-190213T0000Z/
Adams IL-Bond IL-Brown IL-Clinton IL-Fayette IL-Greene IL-
Jersey IL-Macoupin IL-Madison IL-Marion IL-Montgomery IL-Pike IL-
Washington IL-
Including the cities of Alton, Centralia, Edwardsville, 
Litchfield, Mount Sterling, Pittsfield, Quincy, Salem, 
and Vandalia
341 AM CST Tue Feb 12 2019

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

The National Weather Service in Saint Louis has issued a Wind
Advisory, which is in effect from noon today to 6 PM CST this
evening.

* WINDS...West 20 to 25 mph with gusts up to 45 mph.

* TIMING...This afternoon into early evening.

* IMPACTS...Strong winds may blow down limbs, trees, and power
  lines. Scattered power outages are expected. Travel will be
  difficult, especially for high profile vehicles traveling on
  north to south oriented roadways. These winds can also lift and
  move trash cans, lawn furniture, and other loose outdoor 
  objects.

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 diminish.

&&

$$

Glass
1 follow-up statement
680 
WWUS73 KLSX 130010
NPWLSX

URGENT - WEATHER MESSAGE
National Weather Service Saint Louis MO
610 PM CST Tue Feb 12 2019


ILZ058>060-064-065-069-070-074-095>097-099-100-130115-
/O.EXP.KLSX.WI.Y.0003.000000T0000Z-190213T0000Z/
Adams IL-Bond IL-Brown IL-Clinton IL-Fayette IL-Greene IL-
Jersey IL-Macoupin IL-Madison IL-Marion IL-Montgomery IL-Pike IL-
Washington IL-
Including the cities of Alton, Centralia, Edwardsville, 
Litchfield, Mount Sterling, Pittsfield, Quincy, Salem, 
and Vandalia
610 PM CST Tue Feb 12 2019

...WIND ADVISORY HAS EXPIRED...

The wind advisory has been allowed to expire as strong and gusty 
winds will begin to slowly diminish tonight.

$$

GKS

Nearby

Wind Advisories in Illinois, 2019Every wind advisory in 2019

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.