Hurricanes and Tornadoes That Hit Roseland, LA

The nearest NOAA station with 1991–2020 climate normals is Amite, LA, 4 miles south of Roseland at 170 feet. August is the warmest, with an average high of 92°F and low of 71°F; January is the coolest, at 61°F and 39°F. August is the wettest at 6.6 inches of precipitation on average and September the driest at 3.6 inches; the year adds up to 63.8 inches over 79 days with at least a tenth of an inch. June to November, the hurricane season months, bring 48% of the year's precipitation (30.7 of 63.8 inches); the other six months are wetter. September has brought the most of the 56 tropical systems that passed within 75 miles (21); a normal September there has highs of 89°F and 3.6 inches of precipitation. Highs reach 90°F on about 94 days a year, almost all from May to October. Lows fall below freezing on about 35 nights a year. That 63.8 inches is more than at 60 of the 81 Louisiana stations used on this site (74%). Loranger, 14 miles southeast, has its own station (Hammond 5 E, LA): 64.4 inches a year, 0.6 more than here, and the same August average high, 92°F.

Since 1996, the National Weather Service has logged 80 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Roseland: 67 thunderstorm wind reports, 9 flash floods, 2 floods, 1 heavy rain event and 1 lightning strike. None is recorded as killing or injuring anyone; the NWS estimated $105.4 million in property and crop damage. The strongest thunderstorm gust on record here was 81 mph, on April 18, 2019. March has had the most flash floods, 4 of 9. Of the 239 Louisiana cities on this site with a flash flood on record, 61 have had fewer than Roseland.

Flood insurance policyholders in Roseland's ZIP code 70456 have filed 33 claims with the National Flood Insurance Program since 1990, and were paid $1.9 million for buildings and contents, in the dollars of each year. The most came from Mid-summer severe storms in 2016: 13 claims (39% of all) and $1.3 million. 94% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 219 Louisiana cities on this site with 10 or more claims, 28 have fewer than Roseland.