Hail formation

Hail & Severe Weather How Accurate Is HailTrace? See how radar analysis, ground reports, coverage limits, and map purpose affect the accuracy of HailTrace storm maps. Jun 16, 2025 3 min read Hail & Severe Weather How Reliable Is NOAA Weather Data? Learn how quality control, forecast lead time, radar geometry, and product type affect the reliability of NOAA weather data. Mar 29, 2025 3 min read Hail & Severe Weather How Do Meteorologists Predict Hail? See how atmospheric ingredients, forecast models, dual-polarization radar, and ground reports shape hail predictions. Mar 26, 2025 2 min read Hail & Severe Weather What Is the Largest Hailstone Ever Recorded? Compare the world weight record with U.S. diameter and circumference records, including how each measurement was verified. Mar 14, 2025 2 min read Hail & Severe Weather What Is Gorilla Hail? Learn what “gorilla hail” means, how unusually large stones form, and why radar, ground reports, and damage are different evidence. Mar 13, 2025 2 min read Hail & Severe Weather What Conditions Are Needed for Hail to Form? See how deep moist convection, a strong updraft, supercooled water, and an ice embryo work together—and why surface hail can melt. Mar 11, 2025 2 min read Hail & Severe Weather Is Hail Made of Frozen Rain? See how thunderstorm updrafts, ice embryos, supercooled droplets, and melting distinguish hail from frozen raindrops. Mar 9, 2025 2 min read Hail & Severe Weather Is Hail Getting Bigger? Explore how region, season, size threshold, and measurement method shape research on changing hail size. Mar 8, 2025 2 min read Hail & Severe Weather How Is Hail Reported? Hail reports identify what was observed, where and when it occurred, the largest stone measured, and any known damage. Mar 7, 2025 2 min read