Graham, OK (ZIP 73437) has a moderate disaster history with 41 recorded events. These include 25 hailstorms, 4 extreme heat events, and 3 blizzards. Total documented property damage amounts to $6.9M. These events have resulted in 6 recorded deaths and 8 injuries.
The dominant hazard type for Graham is hailstorms, with 25 recorded events making up 61% of the area's disaster history. Of these, 2 (8%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for hail-related events here is 5/5 (extreme). The most recent recorded hailstorm occurred on May 22, 2025.
Graham has experienced 4 extreme heat events on record. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for heat-related events here is 4/5 (severe). 5 fatalities have been attributed to extreme heat events in this area. The most recent recorded extreme heat event occurred on Aug 1, 2006.
Graham has experienced 3 blizzards on record. One event reached severity level 4 or 5 on the normalized scale. The highest recorded severity for winter storm events here is 5/5 (extreme). Winter storm events have caused a combined $1.8M in documented property damage. 1 fatality has been attributed to blizzards in this area. The most recent recorded blizzard occurred on Jan 20, 2011.
Graham has experienced 3 tornadoes on record. Of these, 2 (67%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for tornado-related events here is 5/5 (extreme). Tornado-related events have caused a combined $75K in documented property damage. The most recent recorded tornado occurred on May 8, 1993.
Graham has experienced 3 wildfires on record. The most recent recorded wildfire occurred on Jun 2, 2022.
Graham has experienced 2 floods on record. Of these, 2 (100%) were rated at severity level 4 or 5 — the most intense on the normalized scale. The highest recorded severity for flood-related events here is 5/5 (extreme). Flood-related events have caused a combined $5M in documented property damage. The most recent recorded flood occurred on Jun 17, 2015.
The most significant disaster event on record for Graham was Flash Flood on Jun 17, 2015, which caused $5M in property damage. Another major event was Ice Storm (Dec 26, 2000), causing $1.8M in damages.
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Based on federal and state records, ZIP code 73437 has experienced 41 natural disaster events. The hazard types affecting this area include hailstorms (25 events), extreme heat events (4 events), blizzards (3 events), tornadoes (3 events), wildfires (3 events), floods (2 events), and severe wind event (1 event). The primary hazard is hailstorms, which account for 61% of all recorded events.
Hailstorms are the most frequently recorded hazard in Graham, OK, with 25 events documented.
Yes, Graham (ZIP 73437) has 2 recorded flood events. These floods have caused $5M in total property damage. The most recent flood on record occurred on Jun 17, 2015.
Graham has 3 recorded tornado events in the historical record. The strongest tornado recorded reached severity level 5/5 on the normalized scale. Total property damage from tornadoes in this area is $75K. The most recent tornado was recorded on May 8, 1993.
The most damaging natural disaster on record for ZIP code 73437 was Flash Flood, which occurred on Jun 17, 2015. This event caused $5M in documented property damage. It was rated at severity level 5/5.
Natural disasters have caused a documented total of $6.9M in property damage in the Graham, OK area (ZIP 73437). This figure is based on historical records from FEMA, NOAA Storm Events Database, and USGS, and covers events from the 1950s through the present. Actual damages may be higher, as not all events have complete damage assessments.
Data sourced from FEMA (disaster declarations, NFIP flood claims), NOAA Storm Events Database, USGS Earthquake Hazards Program, and NIFC wildfire records. Historical coverage varies by source, with most records beginning in the 1950s–1970s. Full methodology →