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NHC HURDAT2 · SPC Tornado Database

Hurricanes and Tornadoes That Hit Bylas, AZ

Every tropical system within 75 miles since 1851 and every tornado within 25 miles since 1950.

Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated

1 tropical system has passed within 75 miles of Bylas, Arizona since 1851, 0 of them at hurricane strength; the most recent was Lester in 1992. No tornado has been recorded within 25 miles since 1950.

Hurricanes
0

within 75 mi, since 1851

Tropical storms
1

below hurricane strength

Tornadoes
0

within 25 mi, since 1950

EF3 or stronger
0

no recorded deaths

What the records show for Bylas

None of the 1 tropical systems was at hurricane strength as it passed Bylas; the strongest was Lester in 1992, a tropical storm with 40 mph winds when its centre passed 74 miles away. Bylas has more tropical storms and hurricanes within 75 miles than 79% of the 134 Arizona cities on this site. Hail has been reported within 10 miles once, in 1986, with stones of 2 inches (hen egg size). Of the 134 Arizona cities, 82% have more hail reports within 10 miles than Bylas.

Compare Bylas's storm record with another city →

Tropical storms and hurricanes near Bylas

Tropical systems that passed within 75 miles of Bylas, Arizona, newest first
YearStormClosestStrength when closestPeak
1992LesterAug 2474 miTropical storm (40 mph)Category 1

Strength is the sustained wind on the track at the closest point, which is not the wind felt in Bylas: a hurricane's worst winds sit within a few dozen miles of its centre, and inland cities are usually past that.

Hail in Bylas

The Storm Prediction Center has one hail report within 10 miles of Bylas, from October 5, 1986: 2 inches (hen egg size).

Source: NOAA Storm Prediction Center severe weather reports, data through 2025.

Weather by month in Bylas

The nearest NOAA station with 1991–2020 climate normals is Fort Thomas 2 SW, AZ, 14 miles east of Bylas at 2,835 feet. July is the warmest, with an average high of 100°F and low of 71°F; December is the coolest, at 60°F and 28°F. August is the wettest at 1.9 inches of precipitation on average and June the driest at 0.2 inches; the year adds up to 10.3 inches over 25 days with at least a tenth of an inch. Highs reach 90°F on about 136 days a year, almost all from April to October. Lows fall below freezing on about 82 nights a year. That 10.3 inches is more than at 32 of the 76 Arizona stations used on this site (42%). Peridot, 22 miles northwest, has its own station (San Carlos Reservoir, AZ): 13.5 inches a year, 3.2 more than here, and a July average high of 99°F against 100°F.

Monthly climate normals 1991–2020 at Fort Thomas 2 SW, AZ
MonthHigh °FLow °FPrecip. inDays ≥ 0.1"
Jan61281.03
Feb66321.02
Mar74370.62
Apr82440.31
May91530.41
Jun100620.21
Jul100711.74
Aug98691.94
Sep93621.12
Oct84480.72
Nov71350.52
Dec60280.93
Year824710.325

Averages for 1991–2020 at Fort Thomas 2 SW, AZ (2,835 ft), from NOAA NCEI U.S. Climate Normals. Normals describe the station; the farther a place is from it, and the bigger the difference in height, the more its weather can differ.

Arizona weather by month, station by station →

Flood insurance claims, disaster declarations and FEMA risk ratings

Graham County, which includes Bylas, has been named in 13 federal disaster or emergency declarations since 1966, 10 of them major disasters (by incident: 7 floods, 2 biological emergencies, 2 severe storms, 1 drought). The latest major disaster declaration was Covid-19 Pandemic, on April 4, 2020. FEMA's National Risk Index gives Graham County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively High for lightning; Relatively Moderate for heat waves; Relatively Low for inland flooding; Very Low for hurricanes, tornadoes, hail and strong wind. It models the county's expected loss from all 18 hazards it covers at $18.2 million a year, the 14th highest of 15 Arizona counties; of the hazards above, the largest share, $9.0 million (50%), is from inland flooding.

Claims: FEMA, OpenFEMA Dataset FIMA NFIP Redacted Claims – v3, summed over ZIP codes; payments in the dollars of each year, not adjusted for inflation. Declarations: Disaster Declarations Summaries – v2, by county. Retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).

Risk ratings: FEMA, National Risk Index county table, December 2025 (v1.20), retrieved October 26, 2026; ratings compare counties nationwide, are meant for planning and are no substitute for a local risk assessment. This product uses the Federal Emergency Management Agency's National Risk Index dataset API or downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).

What counts as a pass, the distances and the sources: how this storm history is built.

Cities near Bylas