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9/18/2024
WT Staff
 Got water comments, questions or concerns? Give us a call at 877-52-WATER (877-529-2837), or email us at info@wtla.us
September 18, 2024 1111 am CDT
Revisiting NOAA Storm Forecast 2024
A quiet weather day, according to the National Weather Service, no hazardous weather outlooks in effect for Louisiana. In a moment of weather calm, we check in with the National Hurricane Center to see what may be brewing off shore.
Tropical Depression Gordon away off in the Atlantic no longer has a trackable center, formerly Tropical Storm disintegrating to an unorganized group of unsettled weather moving north-northeast and 3.5 mph. Gordon presents no risk to land, though conditions into the weekend could yet bring Gordon back to Tropical Storm status. By midweek, the National Hurricane Center reports no risk to land.
Not to be caught off-guard, the named storms are not the only ones to watch. An unnamed storm, "Potential Tropical Storm Eight" managed to deliver twenty-plus inches of rain on North Carolina Monday, trapping dozens of people and causing enormous flooding damage. By any name, a storm is a storm, localized heavy rain can produce flash flooding.
From the National Oceanographic and Atmospheric Administration (NOAA) storm season projection article of May 23, 2024, NOAA predicts above-normal 2024 Atlantic hurricane season, 85% probability of above average storm season with 17 to 25 named storms, 4 to 7 of these being hurricanes of Category 3 or higher. Here we are, just past the midpoint of storm season 2024, we are tracking the 7th named storm, Gordon, still on the radar active in the Atlantic. The latter half of the season is expected to bring on the heavy storm activity. FEMA Deputy Administrator Erik A. Hooks says, "Severe weather and emergencies can happen at any moment, which is why individuals and communities need to be prepared today. Already, we are seeing storms move across the country that can bring additional hazards like tornadoes, flooding and hail. Taking a proactive approach to our increasingly challenging climate landscape today can make a difference in how people can recover tomorrow."
Streamflow Situation from the network of USGS streamflow gauges in Louisiana
A handful of below normal to much below seasonal normal flows have popped up overnight, a low flow in Region 3 watershed contributing to the severe drought hanging on the Tensas River channel. Union Parish is back on at below normal, the remainder of Louisiana is free of a drought rating midweek. No extreme high flows or flooding occurring in the reference network, no 1st percentile low flows.
WT HAB Tracker from the satellite monitoring program of National Centers for Coastal Ocean Science (NCCOS)
The latest image of Lake Pontchartrain and the southeast water bodies is dated Sep 17, taken at wind speed 3.5 mph. This image is partially cloud obscured, a partial view of open water of several lakes we have been tracking in this report. Lakes Maurepas and Pontchartrain remain HAB free another day. Lake Verret widespread HAB has shot up to extreme high concentration 1 million cells per ml, Lake Palourde shows widespread HAB 400 thousand cells per ml. Bayou Fortier is obscured again in this image, Lac des Allemands widespread HAB is visible in the east, 1 million cells per ml. Lake Salvador widespread HAB in the west half 400 thousand per ml concentration. See the latest satellite image of southeast LA water bodies, here.
See the latest Safe Drinking Water Act compliance stats for Louisiana here, including the US EPA list of serious violators.
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