{{Short description|Weather warning for freezing rain and ice accumulation}} thumb|Trees with Ice|300px|right An '''ice storm warning''' is a hazardous weather statement issued by the Weather Forecast Offices of the National Weather Service in the United States which indicates that freezing rain produces a significant and possibly damaging accumulation of ice on surfaces. The criteria for this warning vary from state to state, but typically an ice storm warning will be issued any time more than {{convert|1/4|in|mm}} of ice at peak is expected to accumulate in an area, else a freezing rain or drizzle advisory is issued; in some areas, the criterion is {{convert|1/2|in|mm}} instead.<ref>{{cite web|title=Ice storm warning|url=http://www.weather.gov/glossary/index.php?word=ice+storm+warning|work=Glossary - NOAA's National Weather Service.|access-date=17 May 2011|author=National Weather Service}}</ref>
==Example of an ice storm warning== <pre>
617 WWUS44 KMEG 221736 WSWMEG
URGENT - WINTER WEATHER MESSAGE National Weather Service Memphis TN 1136 AM CST Thu Jan 22 2026
MSZ002>006-008-009-011>017-020>024-TNZ053>055-090>092-231230- /O.UPG.KMEG.WS.A.0001.260123T1800Z-260126T0000Z/ /O.NEW.KMEG.IS.W.0001.260124T0000Z-260126T0000Z/ Marshall-Benton MS-Tippah-Alcorn-Tishomingo-Tate-Prentiss-Quitman- Panola-Lafayette-Union-Pontotoc-Lee MS-Itawamba-Tallahatchie- Yalobusha-Calhoun-Chickasaw-Monroe-Chester-Henderson-Decatur- Hardeman-McNairy-Hardin- Including the cities of Ripley MS, Henderson, Water Valley, Coffeeville, New Albany, Oxford, Bolivar, Aberdeen, Amory, Houston, Savannah, Iuka, Booneville, Holly Springs, Pontotoc, Selmer, Marks, Ashland, Okolona, Fulton, Bruce, Senatobia, Corinth, Batesville, Tupelo, Calhoun City, Charleston, Lexington, Parsons, and Decaturville 1136 AM CST Thu Jan 22 2026
...ICE STORM WARNING IN EFFECT FROM 6 PM FRIDAY TO 6 PM CST SUNDAY...
* WHAT...Significant icing expected. Total snow and sleet accumulations between 1 and 3 inches and ice accumulations between one half and one inch.
* WHERE...Portions of North Mississippi and West Tennessee.
* WHEN...From 6 PM Friday to 6 PM CST Sunday.
* IMPACTS...Expect power outages that last more than a day and extensive tree damage due to the ice. Travel could be impossible. The hazardous conditions could impact the Friday evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Travel should be restricted to emergencies only. Prepare for extended power outages. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
&&
$$
</pre> <ref>{{cite web |url= https://mesonet.agron.iastate.edu/vtec/#2021-O-NEW-KRLX-IS-W-0002/USCOMP-N0Q-202102150300 |title = IEM :: Valid Time Event Code (VTEC) App}}</ref>
==See also== *Severe weather terminology (United States) *Severe weather terminology (Canada)
==References== {{Reflist}}
==External links== * [http://www.nws.noaa.gov/ National Weather Service] * [http://www.fema.gov Federal Emergency Management Agency] * [https://web.archive.org/web/20060703204148/http://www.msc-smc.ec.gc.ca/cd/brochures/warning_e.cfm Meteorological Service of Canada] {{SevWea nav}}
Category:Weather warnings and advisories