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Cold weather advisory

US-based weather statement

US-based weather statement

A cold weather advisory (formerly known as a wind chill advisory until October 2024) is a hazardous weather statement issued by Weather Forecast Offices (WFO) of the National Weather Service (NWS) in the United States to alert the public that temperatures or wind chills are forecast to reach values low enough that it poses a threat to human health and life if adequate protection is not taken against hypothermia and frostbite. The exact criteria meriting the issuance of an advisory vary from state to state, and areas prone to colder temperatures will often require colder temperatures/wind chills before issuing an advisory.

Example

The following is an example of the now deprecated Wind Chill Advisory; this one was issued by the National Weather Service office in Detroit, Michigan on January 21, 2011.

920 WWUS43 KDTX 212131 WSWDTX

URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI 431 PM EST FRI JAN 21 2011

...EXTREME COLD WIND CHILLS TONIGHT...

.COLD TEMPERATURES IN ADDITION TO WINDS INCREASING TONIGHT AHEAD OF A LOW PRESSURE SYSTEM WILL ALLOW WIND CHILLS TO DROP BETWEEN -15 AND -20 ACROSS THE NORTHERN THUMB AND SAGINAW VALLEY TONIGHT.

MIZ047049-053055-062-063-220545- /O.NEW.KDTX.WC.Y.0001.110122T0500Z-110122T1500Z/ MIDLAND-BAY-HURON-SAGINAW-TUSCOLA-SANILAC-LAPEER-ST. CLAIR- INCLUDING THE CITIES OF...MIDLAND...BAY CITY...BAD AXE... SAGINAW...CARO...SANDUSKY...LAPEER...PORT HURON 431 PM EST FRI JAN 21 2011

...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM EST SATURDAY...

THE NATIONAL WEATHER SERVICE IN DETROIT/PONTIAC HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM EST SATURDAY.

IMPACTS...

  • COLD WIND CHILLS MAY LEAD TO FROST BITE AND HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.

HAZARDOUS WEATHER...

  • WIND CHILLS ARE EXPECTED TO FALL BETWEEN -15 AND -20 DEGREES LATE TONIGHT THROUGH TOMORROW MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

  • A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES.

&&

$$

RK

The following is the first Cold Weather Advisory issued by the National Weather Service. It was issued on November 17, 2024.

URGENT - WEATHER MESSAGE National Weather Service Sacramento CA 1254 PM PST Sun Nov 17 2024

CAZ068-069-181400- /O.NEW.KSTO.CW.Y.0001.241119T0600Z-241119T1800Z/ Western Plumas County/Lassen Park-West Slope Northern Sierra Nevada- Including the cities of Chester, Quincy, and Blue Canyon 1254 PM PST Sun Nov 17 2024

...COLD WEATHER ADVISORY IN EFFECT FROM 10 PM MONDAY TO 10 AM PST TUESDAY ABOVE 6000 FEET...

  • WHAT...Very cold temperatures 5 to 15 degrees expected at elevations above 6000 feet.

  • WHERE...West Slope Northern Sierra Nevada and Western Plumas County/Lassen Park.

  • WHEN...From 10 PM Monday to 10 AM PST Tuesday.

  • IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. These cold temperatures could be hazardous to pets, plants, and those without adequate heating.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Keep pets indoors as much as possible.

&&

$$

References

References

  1. "National Weather Service revises watch, warning and advisory products for cold".
  2. National Weather Service. "Wind Chill Advisory". Glossary - National Weather Service.
  3. National Weather Service. "Wind Chill Advisory". Iowa Environmental Mesonet NWS Product Archive.
  4. "IEM :: NPW from STO". Iowa Environmental Mesonet.
Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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