Arizona, 2020Excessive Heat in Arizona, April 30, 2020
April 30, 2020 · NWS TWC · 5 events in 5 counties and zones
Very hot temperatures were experienced in parts of southeast Arizona on April 30th with high temperatures exceeding established records. No heat related fatalities were reported.
Every event with a place to put it; 5 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 5
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.
Very hot temperatures were experienced in parts of southeast Arizona on April 30th with high temperatures exceeding established records. No heat related fatalities were reported.
Excessive Heat, Western Pima County
- When
- April 30, 10:00 AM MST to 7:00 PM MST
- Where
- Western Pima County forecast zone
- Reported by
- Mesonet
- Coordinates
- 32.097, -111.790 (the zone’s center; the record gives no point)
Very hot spring temperatures 10 to 15 degrees above normal occurred in parts of southeast Arizona, causing the High Heat Risk category to be reached in some areas. Several new daily high temperature records were established such as 105 degrees at Ajo, 102 at Picacho, 101 at Tucson International Airport and Organ Pipe Cactus National Monument, 100 degrees at Sells and 99 at Safford.
Excessive Heat, Tohono O Odham Nation
- When
- April 30, 10:00 AM MST to 7:00 PM MST
- Where
- Tohono O Odham Nation forecast zone
- Reported by
- Mesonet
- Coordinates
- 32.501, -111.567 (the zone’s center; the record gives no point)
Very hot spring temperatures 10 to 15 degrees above normal occurred in parts of southeast Arizona, causing the High Heat Risk category to be reached in some areas. Several new daily high temperature records were established such as 105 degrees at Ajo, 102 at Picacho, 101 at Tucson International Airport and Organ Pipe Cactus National Monument, 100 degrees at Sells and 99 at Safford.
Excessive Heat, Tucson Metro Area
- When
- April 30, 10:00 AM MST to 7:00 PM MST
- Where
- Tucson Metro Area forecast zone
- Reported by
- Mesonet
- Coordinates
- 32.097, -111.790 (the zone’s center; the record gives no point)
Very hot spring temperatures 10 to 15 degrees above normal occurred in parts of southeast Arizona, causing the High Heat Risk category to be reached in some areas. Several new daily high temperature records were established such as 105 degrees at Ajo, 102 at Picacho, 101 at Tucson International Airport and Organ Pipe Cactus National Monument, 100 degrees at Sells and 99 at Safford.
Excessive Heat, South Central Pinal County
- When
- April 30, 10:00 AM MST to 7:00 PM MST
- Where
- South Central Pinal County forecast zone
- Reported by
- Mesonet
- Coordinates
- 32.904, -111.345 (the zone’s center; the record gives no point)
Very hot spring temperatures 10 to 15 degrees above normal occurred in parts of southeast Arizona, causing the High Heat Risk category to be reached in some areas. Several new daily high temperature records were established such as 105 degrees at Ajo, 102 at Picacho, 101 at Tucson International Airport and Organ Pipe Cactus National Monument, 100 degrees at Sells and 99 at Safford.
Excessive Heat, Upper Gila River and Aravaipa Valleys
- When
- April 30, 10:00 AM MST to 7:00 PM MST
- Where
- Upper Gila River and Aravaipa Valleys forecast zone
- Reported by
- Mesonet
- Coordinates
- 33.074, -109.563 (the zone’s center; the record gives no point)
Very hot spring temperatures 10 to 15 degrees above normal occurred in parts of southeast Arizona, causing the High Heat Risk category to be reached in some areas. Several new daily high temperature records were established such as 105 degrees at Ajo, 102 at Picacho, 101 at Tucson International Airport and Organ Pipe Cactus National Monument, 100 degrees at Sells and 99 at Safford.
- Excessive Heat
- Heat at or above the local excessive heat warning criteria, or heat that caused deaths.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Flash Flood and Flooding in North Carolina, April 30, 20201 death · $260,000 · 3 events
- Flash Flood and Flooding in New York, April 30, 2020$546,000 · 9 events
- Flash Flooding and Flooding in Pennsylvania, April 30, 2020$235,000 · 5 events
- Strong Wind in New Jersey, April 30, 2020$50,000 · 1 event
- Flooding in Michigan, April 30, 2020$24,000 · 2 events
- Damaging Winds in Idaho, April 30, 202061 kt wind · 19 events
- Strong Wind in New York, April 30, 2020$20,000 · 2 events
- Damaging Winds in Wyoming, April 30, 202059 kt wind · 11 events
- Damaging Winds in North Carolina, April 30, 202054 kt wind · 10 events
- Damaging Winds in Florida, April 30, 2020$3,000 · 57 kt wind · 8 events
- Damaging Winds in South Carolina, April 30, 202065 kt wind · 6 events
- Marine Thunderstorm Winds in South Atlantic Coastal Waters, April 30, 20206 events
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 2026-10-01. Each event’s entry at NCEI: 890813, 890818, 890819, 890820, 890821.