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Week 3-4 outlooks are experimental at this time, and are issued Friday between 3pm & 4pm Eastern Time.
HOME> Outlook Maps> Experimental Week 3-4 Outlooks FAQ

Experimental Week 3-4 Outlooks FAQ

These are experimental two category outlooks and differ from official operational current three category outlooks currently used for the monthly and seasonal forecasts.

The shading on the temperature map depicts the most favored category, either above-normal (A) or below-normal (B) with the solid lines giving the probability ( >50%) of this more likely category (above or below).

The shading on the precipitation map depicts the most favored category, either above-median (A) or below-median (B) with the solid lines giving the probability ( >50%) of this more likely category (above or below).

In areas where the likelihoods of 2-week mean temperatures and accumulated precipitation amounts are similar to climatological probabilities, equal chances (EC) is indicated.

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