United States — Winter — 2 actual messages

03:32  Frost Advisory issued September 10 at 7:32PM AKDT until September 11 at 9:00AM AKDT by NWS Juneau AK (view from source)
UpdateMetExpected
Minor
Likely		NWS Juneau AK
coldsecure-property
References: urn:oid:2.49.0.1.840.0.14088e7c1621efda68ee47e4aa969bd491a7e513.001.1
⚠️ content.no_specific_area_geometry — at least one area lacks both a polygon and a circle — specific geometries allow more precise message delivery and can reduce alert deliveries to people not actually at risk.
18:15  Frost Advisory issued September 11 at 2:15PM EDT until September 12 at 8:00AM EDT by NWS Caribou ME (view from source)
AlertMetExpected
Minor
Likely		NWS Caribou ME
cold
⚠️ content.no_specific_area_geometry — at least one area lacks both a polygon and a circle — specific geometries allow more precise message delivery and can reduce alert deliveries to people not actually at risk.
⚠️ content.no_instruction_time — instruction does not say by when the protective action should be taken — no deadline and no immediately-class directive.