Arizona, 2023Cold in Arizona, January 23 to 24, 2023
January 23 to 24, 2023 · NWS TWC · 1 event in 1 county or zone
A series of cold nights occurred across southeast Arizona in mid to late January with low temperatures 15 to 25 degrees below normal. The Pima County Medical Examiner determined that hypothermia was the primary cause of death for two individuals in Patagonia.
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- Deaths
- 2
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 1
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
A series of cold nights occurred across southeast Arizona in mid to late January with low temperatures 15 to 25 degrees below normal. The Pima County Medical Examiner determined that hypothermia was the primary cause of death for two individuals in Patagonia.
Cold/Wind Chill, Upper Santa Cruz River and Altar Valleys
- When
- January 23, 12:00 AM MST to January 24, 11:00 AM MST
- Where
- Upper Santa Cruz River and Altar Valleys forecast zone
- Deaths
- 2 direct, 0 indirect
- Reported by
- County Official
- Coordinates
- 31.812, -111.318 (the zone’s center; the record gives no point)
Cold low temperatures in the high single digits to teens, or 15 to 25 degrees below normal, occurred in Patagonia with the lowest temperature of 9 degrees recorded the morning of January 24. The Pima County Medical Examiner determined that hypothermia was the primary cause of death for two individuals in Patagonia. One individual lived in a mobile home that did not have sufficient heating was found there on the floor January 23. They were transported to a hospital but died there that day. A second individual was found deceased outside their home on January 24.
- Cold/Wind Chill
- Cold or wind chill below warning criteria that caused deaths, injuries or damage.
After NWS Directive 10-1605, the rules offices file Storm Data by.
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NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 1143589.