Climate OutlookA climate outlook issued by the CPC gives probabilities that conditions, averaged over a specified period, will be below-normal, normal, or above-normal.Climatological OutlookAn outlook based upon climatological statistics for a region, abbreviated as CL on seasonal outlook maps. CL indicates that the climate outlook has an equal chance of being above normal, normal, or below normal.Convective Outlook(sometimes called AC) - A forecast containing the area(s) of expected thunderstorm
occurrence and expected severity over the contiguous United States, issued several times daily by the SPC.
The terms approaching, slight risk, moderate risk, and high risk are used to describe severe thunderstorm
potential. Local versions sometimes are prepared by local NWS offices.Excessive Heat OutlookThis CPC product, a combination of temperature and humidity over a certain number of days, is designed to provide an indication of areas of the country where people and animals may need to take precautions against the heat during May to November.Excessive Rainfall Outlook (ERO)A graphical product in which the Weather Prediction Center (WPC) forecasts the probability that rainfall will exceed flash flood guidance (FFG) within 40 kilometers (25 miles) of a point.Flood Hazard Outlook (FHO)A high Level graphical depiction and key messages highlighting the potential threat of inland flood hazards (flash, urban, small stream and riverine) and their associated impacts (catastrophic, considerable, and limited) for the next seven days.Flood Potential Outlook(ESF on AFOS) (FPO for Acronym): In hydrologic terms, An NWS outlook that is issued to alert the public of potentially heavy rainfall that could send area rivers and streams into flood or
aggravate an existing flood.Great Lakes Freeze-Up/Break-Up Outlook(FBO) - A National Weather Service product to keep mariners informed of the projected freeze-up date or break-up date of ice on the Great Lakes. Hazardous Weather OutlookA narrative statement produced by the National Weather Service, frequently issued on a routine basis, to
provide information regarding the potential of significant weather expected during the next 1 to 5 days.OutlookAn outlook is used to indicate that a hazardous weather or hydrologic event may develop. It is intended to provide information to those who need considerable lead time to prepare for the event.OutlookA broad discussion of the weather pattern expected across any given area, generally confined to forecast periods beyond 48 hours. Public Severe Weather OutlookThese are issued when the Storm Prediction Center (SPC) in Norman, Oklahoma anticipates an especially significant and/or widespread outbreak of severe weather. This outlook will stress the seriousness of the situation, defines the threat area, and provides information on the timing of the outbreak. The lead time on this outlook is normally less than 36 hours prior to the severe weather event.Significant Weather OutlookA narrative statement produced by the National Weather Service, frequently issued on a routine basis, to
provide information regarding the potential of significant weather expected during the next 1 to 5 days.St Lawrence Freeze-Up Outlook A National Weather Service forecast product to keep mariners informed of the projected freeze-up date of ice the St. Lawrence River.Tropical Weather OutlookThis outlook normally covers the tropical and subtropical waters, discussing the weather conditions, emphasizing any disturbed and suspicious areas which may become favorable for tropical cyclone development within the next day to two. In the Atlantic, the outlook is transmitted daily at 0530, 1130, 1730, and 2230 Eastern local time. In the eastern Pacific, it is transmitted daily at 0100, 0700, 1300, and 1900 Eastern local time. For the Central Pacific, transmission times are 1000 and 2200 UTC. Existing tropical and subtropical cyclones are mentioned, as are depressions not threatening land. Given for each system are its location, size, intensity, and movement. For the first 24 hours of a depression or tropical cyclone, the outlook includes a statement identifying the AFOS and World Meteorological Organization (WMO) headers for the advisory on it.Water Supply OutlookA seasonal volume forecast, generally for a period centered around the time of spring snowmelt (e.g., April-July). The outlooks are in units of acre-feet and represent the expected volume of water to pass by a given point during a snowmelt season. The outlook categories include Most Probable, Reasonable Maximum, and Reasonable Minimum.
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