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And the values in the chart are for shady locations. Direct sunlight can increase the heat index temperature by up to 15 degrees, according to the NWS.
The National Weather Service (NWS) has been forced to update its color chart because so much rain has fallen over Texas. Hurricane Harvey is expected to bring downpours of up ...
OceanGrafix inform that NOAA QR codes are now available on 8 US nautical charts OceanGrafix, the exclusive provider of NOAA print-on-demand (POD) nautical charts for U.S. waters, announce that QR ...
The colors the National Weather Service uses to show rainfall on its weather map couldn't represent the deluge in southeastern Texas, so the NWS added two more purple shades to its map.
The chart below shows how long you can be exposed to certain temperatures before it will result in frost bite.
Cruise advocates are not happy with the color chart or thresholds. Cruise industry advocate and expert Stewart Chiron told CBS4, "The color code is actually useless for the consumer.