Tuesday, March 27, 2018

Showers and thunderstorms will increase during the overnight period and into Wednesday a.m.


Expected impacts:

  • Scattered showers and possibly an isolated thunderstorm can be expected before Midnight tonight
  • Periods of showers and thunderstorms are likely overnight tonight into Wednesday morning, especially from 2am thru 10am on Wednesday
  • Locally heavy downpours of rain are possible during periods of thunderstorms, especially at times between 2am and 10am on Wednesday
  • Total rainfall of 1-2 inches is expected across the local area with this event on average, and 2-3 inches of rain is possible possible in some spots
  • Scattered thunderstorms may redevelop in some parts of the area late Wednesday afternoon into early Wednesday evening
Discussion:
Scattered showers and possibly an isolated thunderstorm are possible across the local area this evening, before Midnight tonight.

It continues to appear that the timing for more widespread shower and thunderstorm activity across the local area will be from overnight tonight into Wednesday morning, especially from toward/after 2am through 10am on Wednesday.

Locally heavy downpours of rain are possible during periods of thunderstorms, especially at times between 2am and 10am on Wednesday. Total rainfall of 1-2 inches is expected across the local area with this event on average, and 2-3 inches of rain is possible possible in some spots. The majority of the rainfall will likely occur during the aforementioned 2am-10am period on Wednesday.

At this time this event does not appear likely to produce widespread flooding across the local area, but some of the more flood prone low lying areas (i.e., some of the more vulnerable low water crossings and the like) may need to be monitored at times, especially during any periods of locally heavy downpours that are expected to occur. With the more numerous shower and thunderstorm activity currently expected to occur between 2am and 10am on Wednesday, this would be the most likely time period where any potential concerns could possibly arise. Please note this includes the morning rush/transportation period on Wednesday.

In addition...we cannot rule out the development of an isolated or scattered strong thunderstorm overnight tonight or early on Wednesday morning, again most likely during the aforementioned 2am-10am time period. If any such development were to occur, strong gusty winds and spotty hail would be possible in any affected areas. The primary concern with activity will be the locally heavy downpours noted above, but we do want to make you aware of this possibility as well.

Scattered thunderstorms may redevelop in some parts of the area late Wednesday afternoon into early Wednesday evening, but at this time the extent of this activity appears likely to be some what limited. We will continue monitoring for any changes in this and issue updates as warranted.



We will continue monitoring the situation and issue updates as conditions warrant.

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