US Hail History by Location (NOAA NEXRAD Radar)
Pricing
from $5.00 / 1,000 hail day rows
Hail history for any U.S. latitude/longitude from NOAA NEXRAD radar hail signatures (NCEI SWDI): one row per hail day with max estimated hail size in inches, probability, detections and distance. For roofers, insurance adjusters and AI agents.
Points to check, one per line as "latitude,longitude" in decimal degrees (e.g. "32.7767,-96.7970" for Dallas, TX). Via the API you can also pass objects like {"latitude": 32.7767, "longitude": -96.797, "label": "Dallas office"}. Up to 100 locations per run. Coverage: the continental U.S. and other areas covered by NEXRAD radars.
[ "32.7767,-96.7970"]Radar hail detections within this distance of each location are counted (0.1 to 50 miles).
How many days back from today to search when "startDate" is empty (1 to 1098; default 365 = the last 12 months). Radar data usually lags about 2 days.
First date to search, YYYY-MM-DD (1995-01-01 or later). Overrides "daysBack". Periods longer than 31 days are split into several NOAA requests automatically (maximum 3 years per run).
Ignore radar detections with an estimated maximum hail size below this value, e.g. 1 for quarter-size hail or larger (0 = keep all).
IANA time zone used to assign each detection to a calendar date, e.g. "America/Chicago", "America/New_York", "America/Denver" or "UTC". Evening storms can fall on the next day in UTC.