IMERG was also used to estimate rainfall totals for the period from July 30 at 4 p.m. EDT (8 p.m. UTC) to July 31 at 6 a.m. EDT (10 a.m. UTC). Rainfall totals across central Maryland were on the order of more than 70 mm (about 3 inches, shown in brown). The white crosses denote the location of Ellicott City, Md. CREDIT
NASA/JAXA/Hal Pierce

NASA analyses Maryland storm system that caused flooding

NASA looks at historic flooding from slow-moving Maryland storms NASA analyzed rainfall data from slow-moving storms that triggered flash floods over parts of central Maryland and caused devastating flooding in historic Ellicott City, Maryland. A slow-moving line of heavy thunderstorms dumped as much as 6 to 7 inches of rain in about two hours’ time…

Figure 3

Nothing Unusual about the Sea Surface Temperatures and Anomalies for the Hurricane Main Development Region at the 2016 Season’s Start

Guest Post by Bob Tisdale During the hurricane season, I’ll be adding the sea surface temperatures and anomalies of the Main Development Region of hurricane development in the North Atlantic to the Monthly Sea Surface Temperature Updates.  This post will serve as a reference. OVERVIEW The Main Development Region of the North Atlantic (10N-20N, 80W-20W)…


El Niño made a nuisance of itself in 2015

From NOAA HEADQUARTERS Record ‘nuisance flooding’ in many US cities tied to Pacific weather pattern The frequency of nuisance tidal flooding in many U.S. cities increased as predicted for the 2015 meteorological year, from May 2015 to April 2016, according to a new NOAA report. In some cities, the days of nuisance flooding exceeded trends…