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Hazard Day 1 (Jan 22)Day 2 (Jan 23)Day 3 (Jan 24)
Excessive Rainfall ModerateSlightNo Area
Heavy Snow (≥ 4”)HighHighHigh
Ice (≥ 0.25”)No AreaNo AreaModerate
Day 4-7 (Jan 25 - Jan 29)
Day 4-7 Hazards are currently available at the Climate Prediction Center
North American Surface Analysis Legacy Page:
Analyzed at 06Z Sat Jan 21, 2017
 
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Day 9 image not available
Surface Fronts and Sea-Level Pressures Legacy Page:
Analyzed 06Z Sun Jan 22, 2017
 
Day 1 image not available
Quantitative Precipitation Forecasts Legacy Page:
Valid 12Z 01/22/2017 - 12Z 01/23/2017
 
Day 1 image not available
Excessive Rainfall Forecasts Legacy Page:
Valid 01Z Sun Jan 22 2017 - 12Z Sun Jan 22 2017
 
Day 1 image not available
Winter Weather Forecasts Legacy Page:
Valid 12Z 01/22/2017 - 12Z 01/23/2017
 
Day 1 image not available
Medium Range Forecasts Legacy Page:
Valid 12Z Wed Jan 25, 2017
 
Day 1 image not available
Forecast Tools (Prototype):



1/3/6/24-hr Changes

Change in weather parameters over the last 1/3/6/24 hours. The data used here is either from the Real-Time Mesoscale Analysis (RTMA) or the Rapid Refresh (RAP). The RTMA is shown at its native resolution of 2.5km and is used for surface variables. The RAP is shown at 32km (native resolution 13km) and is primarily used for non-surface (i.e., upper level) variables. For more information please see the RTMA or the RAP website.



GEFS Probabilities

This forecast product shows probabilistic information for the lower 48 states from the GEFS. This updates four times daily. Probabilities of exceeding or remaining less than such variables as precipitation, temperature, or sea-level pressure at various thresholds are displayed.