Alert archive / Illinois / Wind Advisories in 2020

Wind Advisory 4, NWS St. Louis, MO

June 9, 20206 counties in Illinois

NWS St. Louis, MO issued this wind advisory at Jun 9, 2020, 3:10 AM CDT for 6 counties in Illinois. It took effect at Jun 9, 2020, 10:00 AM CDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Jun 9, 2020, 3:10 AM CDT (08:10 UTC)
In effect from
Jun 9, 2020, 10:00 AM CDT
Expired
Jun 9, 2020, 7:00 PM CDT
In force
9 hr
Issued by
NWS St. Louis, MO

Counties Bond County, IL, Clinton County, IL, Fayette County, IL, Marion County, IL, Montgomery County, IL, Washington County, IL

The radar

The St Louis radar (KLSX), 122 km from the middle of the area, began a volume at 08:13 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, 8.2 hours before the alert went out and 162 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 2020-06-09Temperature 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 2020-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 square meters per square second.1939Sfc1 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
2526 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
-74 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

965 
WWUS73 KLSX 090810
NPWLSX

URGENT - WEATHER MESSAGE
National Weather Service Saint Louis MO
310 AM CDT Tue Jun 9 2020

ILZ060-064-065-069-070-074-092015-
/O.NEW.KLSX.WI.Y.0004.200609T1500Z-200610T0000Z/
Bond IL-Clinton IL-Fayette IL-Marion IL-Montgomery IL-
Washington IL-
Including the cities of Centralia, Litchfield, Salem, 
and Vandalia
310 AM CDT Tue Jun 9 2020

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT
THIS EVENING...

* WHAT...South winds 20 to 30 mph with gusts up to 45 mph 
  expected.

* WHERE...Montgomery IL, Bond IL, Fayette IL, Clinton IL, Marion 
  IL and Washington IL Counties.

* WHEN...From 10 AM this morning to 7 PM CDT this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result. High profile vehicles will experience difficult travel 
  conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

Byrd
1 follow-up statement
507 
WWUS73 KLSX 091933
NPWLSX

URGENT - WEATHER MESSAGE
National Weather Service Saint Louis MO
233 PM CDT Tue Jun 9 2020

ILZ060-064-065-069-070-074-100000-
/O.CON.KLSX.WI.Y.0004.000000T0000Z-200610T0000Z/
Bond IL-Clinton IL-Fayette IL-Marion IL-Montgomery IL-
Washington IL-
Including the cities of Centralia, Litchfield, Salem, 
and Vandalia
233 PM CDT Tue Jun 9 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...South winds 20 to 30 mph with gusts of 40 to 45 mph 
  expected.

* WHERE...Montgomery IL, Bond IL, Fayette IL, Clinton IL, Marion 
  IL and Washington IL Counties.

* WHEN...Until 7 PM CDT this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.
  High profile vehicles will experience difficult travel
  conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

Gosselin

Nearby

Wind Advisories in Illinois, 2020Every wind advisory in 2020

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.