After several weeks of clear skies, high humidity and extremely hot unseasonable temperatures, cooler Canadian air moved into the Plains on September 10-11, 2013. This cold front moving into the area triggered widespread precipitation across the region.
The following two maps, centered on Nebraska, show the radar estimated precipitation
LNK = Lincoln; BBW = Broken Bow; LBF = North Platte; SNY = Sidney
NOTE: 12Z = 1200GMT or 7am CDST
Map 1: 12Z September 10 - 12Z September 11, 2013 Radar Estimated Precipitation
Map 2: 12Z September 10 - 12Z September 11, 2013: Observed Precipitation
Map 3: 12Z September 11 - 12Z September 12, 2013 Radar Estimated Precipitation
Map1: Radar estimates on the first map show 1-2 inches of precipitation in Lancaster County and Lincoln with as much as 2-4 inches of precipitation to the northeast of Lincoln.
Map 2: The actual observed precipitation amounts on the 2nd map agree very well with the first map, the radar estimated precipitation.
Map 3: Radar estimates on this 3rd map indicate that the bulk of the rainfall fell to the south of Lincoln, NE with a radar precipitation estimate for our immediate area of 0.5 to 1 inch.
The two day rainfall total for Lincoln, NE at the official municipal airport location was 1.16 inches of rain.
This brought the Year 2013 precipitation total to21.61 inches.which is 1.19 inches below the normal precipitation to date of 22.80 inches.