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Middle Atlantic River Forecast Center

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Water Resources Outlook - Northern MARFC Area
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Map of the Northern Water Resources Outlook Region

August 16, 2014 - Rainfall in August has been very heavy for some, but very little for others. Much of south-central New York and central Pennsylvania is running 1 to 2 1/2 inches above normal for rainfall. The wettest area has been the southern half of New Jersey where rainfall has been 1 1/2 to 5 1/2 inches above average. On the flip side, the northern half of New Jersey, extreme eastern Pennsylvania, and the Catskill Region of New York have only had 1/2 to 1 1/2 inches of rain. Temperatures have been quite cool running 1 to 4 degrees below normal so far in August. Over the past 90 days, dating back to the middle of May, rainfall for much of the northern portion of the MARFC service area has been running about average plus or minus an inch or two. There has been a dry area in parts of northeast Pennsylvania where rainfall has been 2 to 4 inches below average. A wet area has been in southern New Jersey where rain has been 2 to 4 1/2 inches above average. This is mainly due to recent heavy rainfall.

Current (August 16) streamflow data from the U.S. Geological Survey shows that streamflows are running near to above normal. Flows are much above normal in much of central Pennsylvania. Groundwater levels are near or above normal.

The weather outlook through most of the rest of August calls for above normal rainfall. Temperatures are expected to be below normal early in the period but then be near or above normal. The NWS Climate Prediction Center's 30-day outlook for August as well as the 90 day outlook for August through October calls for near average rainfall and temperatures.

Hurricane season is underway and tropical weather systems can bring flooding rains to the Mid-Atlantic Region. For now, no tropical system is threatening the Mid-Atlantic Region.

The outlook for water resources and water supplies is good or very good across southern New York, Pennsylvania, and New Jersey. Though rainfall has been hit or miss at times for short periods, the longer term of weeks and months has brought sufficient rain to just about all areas to maintain good or very good water resources and supplies. The rainfall expectations for the coming weeks suggest that good or very good conditions will continue for the next several weeks.


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Page last modified: May 7, 2014 3:09 PM
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