Alvin, TX Live Doppler Radar

Live radar for Alvin, Brazoria County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.

What weather hits Alvin?

Since 1996, the National Weather Service has logged damaging thunderstorm winds on 90 days in the Inland Brazoria forecast zone and Brazoria County — the most common reported hazard around Alvin, mostly in May and June. Next come flash flooding (52 days) and lightning casualties & damage (15 days).

HazardDays reportedMost recentWorst on record
Damaging thunderstorm winds90May 2026May 2, 2000 · $1.0 million damage
Flash flooding52Jun 2026Aug 26, 2017 · $2.0 billion damage
Lightning casualties & damage15Aug 2019Oct 7, 2007 · 1 death
Hurricanes & tropical storms13Sep 2021Sep 12, 2008 · 1 death · $700 million damage
Excessive heat13Sep 2023—
Coastal flooding6Oct 2015Oct 16, 2006 · $830,000 damage
Heavy snow & winter storms3Jan 2025—
Ice storms & sleet2Feb 2011—

Source: NOAA NCEI Storm Events Database, 1996–2026 (the latest year is partial). A "day" is a date with at least one report in the Inland Brazoria forecast zone and Brazoria County; damage is as reported, not adjusted for inflation.

Which radars cover Alvin?

The closest NEXRAD Doppler radar is KHGX (Houston, TX), about 9 miles east-northeast. Radar beams climb as they travel, so the height of the lowest scan over town decides how low in a storm the radar can see.

RadarDistanceLowest beam over AlvinView
KHGX
Houston, TX
9 mi east-northeast500 ftExcellent — the lowest scan sees close to the ground
KLCH
Lake Charles, LA
130 mi east-northeast14,400 ftLimited — the beam overshoots the lowest part of storms
KGRK
Central Texas, TX
157 mi northwest19,600 ftLimited — the beam overshoots the lowest part of storms

Beam height is the center of the 0.5° scan above the radar, with standard refraction. Mountains near a radar can block it further.

Tornado & hail history near Alvin

Since 1950, NOAA has recorded 276 tornadoes within 25 miles of Alvin, 38 of them EF2/F2 or stronger. Most came in August and May. The strongest was an F4 on November 21, 1992, which passed about 21 miles north of town. The most recent was an EF2 on December 28, 2024, which passed about 3 miles south-southeast of town.

Hail: 240 reports of 1-inch or larger hail within 25 miles since 1955, 26 of them 2 inches or more; the largest was 4.50-inch hail on April 2, 2013.

Source: NOAA Storm Prediction Center — tornadoes 1950–2025, hail 1955–2025. Distances are to each tornado's track; ratings before February 2007 use the original Fujita scale.

On TALON you get Alvin's live radar loop, rain/snow/ice colors, flash-flood risk, storm tracks with arrival times and NWS warnings free; close-up radar and rotation detection are part of TALON Pro.

Alvin radar FAQ

Where is the nearest weather radar to Alvin, TX?

KHGX (Houston, TX), about 9 miles east-northeast. KLCH (Lake Charles, LA) is 130 miles away and also covers the area.

Can radar see a tornado near Alvin?

Radar can't see the tornado itself, but it shows the rotating storm and, once debris is lofted, a debris signature. Over Alvin the lowest scan from KHGX is about 500 ft up — excellent — the lowest scan sees close to the ground.

Is TALON's radar for Alvin free?

Yes — the US radar loop, rain/snow/ice colors, flash-flood risk, storm tracks and NWS warnings are free in any browser. Close-up radar, rotation detection and longer forecasts are part of TALON Pro.

Should I rely on radar for my safety?

No app replaces official warnings. When the National Weather Service issues a warning for Alvin, follow it right away — see watch vs. warning.

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