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IEM VTEC Product Browser

This application allows easy navigation of National Weather Service issued products with Valid Time Event Coding (VTEC).

13 Nov 2024 Update: The tool was updated to use non-hash link style URLs. A shim is in place to translate the old URLs to the new ones, so nothing should be broken (famous last words). This was done to allow the HTML5 History API to provide a better user experience.

Tab Functionality:
Above this section, you will notice six selectable tabs. Click on the tab to show the information.

  • Help: This page!
  • Event Info: Details of the selected event.
  • Text Data: The raw text product for this event.
  • Interactive Map: An interactive map showing the event and RADAR.
  • Storm Reports: Local Storm Reports.
  • List Events: List all events of the given phenomena, significance, year, and issuing office.

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2025 [KLSX] ST_LOUIS Dense Fog (FG) Advisory (Y) Number 3

Listing of Counties/Parishes/Zones Included in Product

RADAR Composite at Issuance Time

Storm Based Warning History

052 
WWUS73 KLSX 060607
NPWLSX

URGENT - WEATHER MESSAGE
National Weather Service St Louis MO
1207 AM CST Thu Feb 6 2025

ILZ064-065-069-070-074-079-100>102-061400-
/O.NEW.KLSX.FG.Y.0003.250206T0607Z-250206T1400Z/
Bond IL-Fayette IL-Clinton IL-Marion IL-Washington IL-Randolph IL-
Madison IL-Saint Clair IL-Monroe IL-
Including the cities of Salem, Sparta, Centralia, Edwardsville,
Cahokia, Chester, Belleville, Alton, and Vandalia
1207 AM CST Thu Feb 6 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CST THIS MORNING...

* WHAT...Visibility as low as 1/4 mile in dense fog.

* WHERE...Bond IL, Clinton IL, Fayette IL, Marion IL, Washington IL, 
  Madison IL, Monroe IL, Randolph IL, and Saint Clair IL Counties.

* WHEN...Until 8 AM CST this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of 
distance ahead of you.

&&

$$

BRC
348 
WWUS73 KLSX 060950
NPWLSX

URGENT - WEATHER MESSAGE
National Weather Service St Louis MO
350 AM CST Thu Feb 6 2025

ILZ064-065-069-070-074-079-100>102-061100-
/O.CAN.KLSX.FG.Y.0003.000000T0000Z-250206T1400Z/
Bond IL-Fayette IL-Clinton IL-Marion IL-Washington IL-Randolph IL-
Madison IL-Saint Clair IL-Monroe IL-
Including the cities of Salem, Sparta, Centralia, Edwardsville,
Cahokia, Chester, Belleville, Alton, and Vandalia
350 AM CST Thu Feb 6 2025

...DENSE FOG ADVISORY IS CANCELLED...

Dense fog has diminished across the area, allowing for an early 
cancellation of the Dense Fog Advisory.

$$

BRC
Permalink to 202502060607-KLSX-WWUS73-NPWLSX
052 
WWUS73 KLSX 060607
NPWLSX

URGENT - WEATHER MESSAGE
National Weather Service St Louis MO
1207 AM CST Thu Feb 6 2025

ILZ064-065-069-070-074-079-100>102-061400-
/O.NEW.KLSX.FG.Y.0003.250206T0607Z-250206T1400Z/
Bond IL-Fayette IL-Clinton IL-Marion IL-Washington IL-Randolph IL-
Madison IL-Saint Clair IL-Monroe IL-
Including the cities of Salem, Sparta, Centralia, Edwardsville,
Cahokia, Chester, Belleville, Alton, and Vandalia
1207 AM CST Thu Feb 6 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CST THIS MORNING...

* WHAT...Visibility as low as 1/4 mile in dense fog.

* WHERE...Bond IL, Clinton IL, Fayette IL, Marion IL, Washington IL, 
  Madison IL, Monroe IL, Randolph IL, and Saint Clair IL Counties.

* WHEN...Until 8 AM CST this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of 
distance ahead of you.

&&

$$

BRC
Permalink to 202502060950-KLSX-WWUS73-NPWLSX
348 
WWUS73 KLSX 060950
NPWLSX

URGENT - WEATHER MESSAGE
National Weather Service St Louis MO
350 AM CST Thu Feb 6 2025

ILZ064-065-069-070-074-079-100>102-061100-
/O.CAN.KLSX.FG.Y.0003.000000T0000Z-250206T1400Z/
Bond IL-Fayette IL-Clinton IL-Marion IL-Washington IL-Randolph IL-
Madison IL-Saint Clair IL-Monroe IL-
Including the cities of Salem, Sparta, Centralia, Edwardsville,
Cahokia, Chester, Belleville, Alton, and Vandalia
350 AM CST Thu Feb 6 2025

...DENSE FOG ADVISORY IS CANCELLED...

Dense fog has diminished across the area, allowing for an early 
cancellation of the Dense Fog Advisory.

$$

BRC

All Storm Reports within Event Political Coverage

Storm Reports within Product Polygon

This table lists other events issued by the selected office for the selected year. Click on the row to select that event.