Region Mid-Atlantic
United States
Europe
The readings under the map are for the whole map, not only the part shown.
GFS · Run 18Z 3 Oct · +6 h · Valid Sun 00Z 4 Oct
Wettest 3.40 in at 20.0N 112.0W · to Sun 00Z
Wettest 6.69 in at 20.0N 112.0W · to Sun 06Z
Wettest 7.15 in at 20.0N 112.0W · to Sun 12Z
Wettest 7.36 in at 20.0N 112.0W · to Sun 18Z
Wettest 7.46 in at 20.0N 112.0W · to Mon 00Z
Wettest 7.57 in at 20.0N 112.75W · to Mon 06Z
Wettest 8.89 in at 20.0N 114.0W · to Mon 12Z
Wettest 9.19 in at 20.0N 114.0W · to Mon 18Z
Wettest 11.47 in at 20.0N 116.0W · to Tue 00Z
Wettest 11.83 in at 20.0N 116.0W · to Tue 06Z
Wettest 12.07 in at 20.0N 116.25W · to Tue 12Z
Wettest 13.88 in at 20.0N 117.75W · to Tue 18Z
Wettest 14.47 in at 20.0N 117.75W · to Wed 00Z
Wettest 14.58 in at 20.0N 117.75W · to Wed 06Z
Wettest 14.65 in at 20.0N 117.75W · to Wed 12Z
Wettest 14.68 in at 20.0N 117.75W · to Wed 18Z
Wettest 14.69 in at 20.0N 117.75W · to Thu 00Z
Wettest 14.73 in at 20.0N 117.75W · to Thu 06Z
Wettest 14.78 in at 20.0N 117.75W · to Thu 12Z
Wettest 19.35 in at 31.0N 76.25W · to Thu 18Z
Wettest 19.58 in at 31.0N 76.25W · to Fri 00Z
Wettest 19.61 in at 31.0N 76.25W · to Fri 06Z
Wettest 19.82 in at 31.0N 75.75W · to Fri 12Z
Wettest 19.87 in at 31.0N 75.75W · to Fri 18Z
Wettest 19.90 in at 31.0N 75.75W · to Sat 00Z
Wettest 20.05 in at 31.0N 75.75W · to Sat 06Z
Wettest 20.20 in at 31.0N 75.75W · to Sat 12Z
Wettest 20.43 in at 31.0N 75.75W · to Sat 18Z
Wettest 20.51 in at 31.0N 75.75W · to Sun 00Z
Wettest 20.55 in at 31.0N 75.75W · to Sun 06Z
Wettest 20.71 in at 31.0N 75.75W · to Sun 12Z
Wettest 20.98 in at 31.0N 75.75W · to Sun 18Z
Wettest 22.94 in, 70 mi SSE of Myrtle Beach, South Carolina · to Mon 00Z
Wettest 23.08 in, 70 mi SSE of Myrtle Beach, South Carolina · to Mon 06Z
Wettest 23.29 in, 75 mi SSE of Myrtle Beach, South Carolina · to Mon 12Z
Wettest 23.64 in, 75 mi SSE of Myrtle Beach, South Carolina · to Mon 18Z
Wettest 24.07 in, 75 mi SSE of Myrtle Beach, South Carolina · to Tue 00Z
Wettest 24.20 in, 75 mi SSE of Myrtle Beach, South Carolina · to Tue 06Z
Wettest 24.25 in, 75 mi SSE of Myrtle Beach, South Carolina · to Tue 12Z
Wettest 24.27 in, 75 mi SSE of Myrtle Beach, South Carolina · to Tue 18Z
Wettest 24.29 in, 75 mi SSE of Myrtle Beach, South Carolina · to Wed 00Z
Wettest 24.31 in, 75 mi SSE of Myrtle Beach, South Carolina · to Wed 06Z
Wettest 24.36 in, 75 mi SSE of Myrtle Beach, South Carolina · to Wed 12Z
Wettest 24.49 in, 75 mi SSE of Myrtle Beach, South Carolina · to Wed 18Z
Wettest 24.51 in, 75 mi SSE of Myrtle Beach, South Carolina · to Thu 00Z
Wettest 24.53 in, 75 mi SSE of Myrtle Beach, South Carolina · to Thu 06Z
Wettest 24.95 in at 31.0N 75.75W · to Thu 12Z
Wettest 25.29 in at 31.0N 75.75W · to Thu 18Z
Wettest 25.40 in at 31.0N 75.75W · to Fri 00Z
Wettest 25.52 in at 31.0N 75.75W · to Fri 06Z
Wettest 25.62 in at 31.0N 75.75W · to Fri 12Z
Wettest 25.63 in at 31.0N 75.75W · to Fri 18Z
Wettest 25.63 in at 31.0N 75.75W · to Sat 00Z
Wettest 25.68 in at 31.0N 75.75W · to Sat 06Z
Wettest 25.73 in at 31.0N 75.75W · to Sat 12Z
Wettest 25.75 in at 31.0N 75.75W · to Sat 18Z
Wettest 25.75 in at 31.0N 75.75W · to Sun 00Z
Wettest 25.75 in at 31.0N 75.75W · to Sun 06Z
Wettest 25.75 in at 31.0N 75.75W · to Sun 12Z
Wettest 25.75 in at 31.0N 75.75W · to Sun 18Z
Wettest 25.75 in at 31.0N 75.75W · to Mon 00Z
Wettest 25.75 in at 31.0N 75.75W · to Mon 06Z
Wettest 25.75 in at 31.0N 75.75W · to Mon 12Z
Wettest 25.76 in at 31.0N 75.75W · to Mon 18Z
One GFS run, issued 18Z 3 Oct — played forward 6 hours at a time, from 6 to 384 hours out.
Methodology
Each frame is everything this run puts down from its start to that hour, so the map fills in as the film plays and its last frame is the run's whole total. Liquid-equivalent: snow counts as the water it melts to.
The colours are Tropical Tidbits' scale, so a reader who knows theirs can read this one. Three of its steps are re-shaded: at 0.5 in, at 2 in — where, on theirs, a reader with protanopia sees the 1.75–2 in band and the 2–2.5 in band as one colour — and among the yellows above 12 in. Same hues; the lightness is re-spaced so every step is visible in every common form of colour-blindness.
Six-hourly to 384 hours. GFS forecasts out to 384 hours. The frames past the one shown load on demand. Uncorrected model output.
This map is drawn from model output we store ourselves, not from anyone's picture of it, and is based on data and products of NOAA. The per-city read of the same day — which cities the models are fighting about, and what the discussion makes of it — is on the national page. Every model's full forecast for any of these cities, or anywhere else, is in the beta: request an invite; it's free during the beta.
Sources and licences
- NOAA: GFS, from NOAA's NOMADS server. US government data, not subject to copyright (NOAA/NWS terms of use).
What we change: each field is cropped to the frame these maps share when we download it, and each map then smooths, contours, differences or ranks those numbers as its Methodology says. These are our maps of the providers' numbers, not their products, and none of them has reviewed or endorsed this site.
Coastlines, borders, lakes and place names: Natural Earth, public domain.