Region Lower 48
The readings under the map are for the whole map, not only the part shown.
GEM · Run 00Z 1 Oct · +6 h · Valid Thu 06Z 1 Oct
Wettest 3.96 in near Omaha, Nebraska · to Thu 06Z
Wettest 6.11 in, 50 mi NE of La Cruz, Mexico · to Thu 12Z
Wettest 6.27 in, 50 mi NE of La Cruz, Mexico · to Thu 18Z
Wettest 6.38 in, 50 mi NE of La Cruz, Mexico · to Fri 00Z
Wettest 11.27 in, 20 mi W of Beeville, Texas · to Fri 06Z
Wettest 12.02 in, 20 mi W of Beeville, Texas · to Fri 12Z
Wettest 12.03 in, 20 mi W of Beeville, Texas · to Fri 18Z
Wettest 12.20 in, 20 mi W of Beeville, Texas · to Sat 00Z
Wettest 12.20 in, 20 mi W of Beeville, Texas · to Sat 06Z
Wettest 12.22 in, 20 mi W of Beeville, Texas · to Sat 12Z
Wettest 12.23 in, 20 mi W of Beeville, Texas · to Sat 18Z
Wettest 12.53 in, 20 mi W of Beeville, Texas · to Sun 00Z
Wettest 12.88 in, 20 mi W of Beeville, Texas · to Sun 06Z
Wettest 13.27 in, 20 mi W of Beeville, Texas · to Sun 12Z
Wettest 13.30 in, 20 mi W of Beeville, Texas · to Sun 18Z
Wettest 13.35 in, 20 mi W of Beeville, Texas · to Mon 00Z
Wettest 13.37 in, 20 mi W of Beeville, Texas · to Mon 06Z
Wettest 13.37 in, 20 mi W of Beeville, Texas · to Mon 12Z
Wettest 14.09 in, 45 mi NNE of Nautla, Mexico · to Mon 18Z
Wettest 15.06 in, 50 mi E of Tuxpam, Mexico · to Tue 00Z
Wettest 15.07 in, 50 mi E of Tuxpam, Mexico · to Tue 06Z
Wettest 15.71 in, 50 mi E of Tuxpam, Mexico · to Tue 12Z
Wettest 16.34 in, 45 mi NNE of Nautla, Mexico · to Tue 18Z
Wettest 17.07 in, 45 mi NNE of Nautla, Mexico · to Wed 00Z
Wettest 17.66 in, 45 mi NNE of Nautla, Mexico · to Wed 06Z
Wettest 18.01 in, 45 mi NNE of Nautla, Mexico · to Wed 12Z
Wettest 18.79 in, 45 mi NNE of Nautla, Mexico · to Wed 18Z
Wettest 19.07 in, 45 mi NNE of Nautla, Mexico · to Thu 00Z
Wettest 19.69 in, 45 mi NNE of Nautla, Mexico · to Thu 06Z
Wettest 20.39 in, 45 mi NNE of Nautla, Mexico · to Thu 12Z
Wettest 23.80 in, 45 mi NNE of Nautla, Mexico · to Thu 18Z
Wettest 25.56 in, 45 mi NNE of Nautla, Mexico · to Fri 00Z
Wettest 26.15 in, 45 mi NNE of Nautla, Mexico · to Fri 06Z
Wettest 26.51 in, 45 mi NNE of Nautla, Mexico · to Fri 12Z
Wettest 27.02 in, 45 mi NNE of Nautla, Mexico · to Fri 18Z
Wettest 27.43 in, 45 mi NNE of Nautla, Mexico · to Sat 00Z
Wettest 28.52 in, 50 mi E of Tuxpam, Mexico · to Sat 06Z
Wettest 28.60 in, 50 mi E of Tuxpam, Mexico · to Sat 12Z
Wettest 28.69 in, 50 mi E of Tuxpam, Mexico · to Sat 18Z
Wettest 28.72 in, 50 mi E of Tuxpam, Mexico · to Sun 00Z
One GEM run, issued 00Z 1 Oct — played forward 6 hours at a time, from 6 to 240 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 240 hours. GEM forecasts out to 240 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 Environment and Climate Change Canada. 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.
Sources and licences
- Environment and Climate Change Canada: GEM, from the MSC Datamart. Data Source: Environment and Climate Change Canada, under its Data Services End-use Licence.
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.