![]() The remnants of Tropical Depression Imelda should continue to drift slowly north today as extremely warm and moist air flows into Southeast Texas. How much depends on the amount of rain this morning across the region. As East Fork rains descend into the lake, we can expect a rise. Source: Harris County Flood Warning System Lake Houston Up Slightly The West Fork at US59 is at 43.5 feet, a little up, but still six feet from coming out of its banks. Another two feet remains beyond that before the lake would have to open its gates. ![]() That means an additional two feet of buffer remains before the lake reaches its normal level. Despite the rain, Lake Conroe is still two feet below its normal level of 201 feet. Until now, the lake had been about a half a foot lower than its target due to evaporation. Lake Conroe is now at its seasonal lowering target of 199 feet (actual reading is 198.88). Lewis Creek on Lake Conroe received two inches in the last couple of hours. Overnight, the West Fork of the San Jacinto at the SH99 (Grand Parkway) received another three inches of rain. Source: National Weather Service via West Fork and Lake Conroe Well Within Banks It is already in progress in SE Montgomery County. Intense rainfall rates will result in rapid onset urban flash flooding. This band of intense rainfall will move into the NE portions of Harris County over the next hour impacting areas around Kingwood, Humble, Huffman, and Crosby.įlash flood warnings for much of the NE Houston, SE Montgomery County and W Liberty County that had been due to expire this morning have been extended to this evening. The NWS has issued multiple flood warnings for that area.Ī band of intense rainfall with rates of 3-5 inches per hour continues from Conroe to Porter to Liberty to Winnie.Ĭonroe Airport recorded 5.16 inches of rain in the last hour. The East Fork of the San Jacinto is at flood stage at Splendora and New Caney. The heaviest rainfall occurred north and east of Houston. Overnight, the remnants of TS Imelda continued to shift north. Travel is strongly discouraged in the Flash Flood Warning and Flash Flood Emergency areas. Given saturated grounds and already high water levels in E/NE Harris County these sort of rainfall totals would result in significant run-off and flash flooding. This flash flooding will be possible over the Humble, Kingwood, Huffman, Crosby areas if a line of thunderstorms progresses slightly more to the SSE over the next few hours. Extreme rainfall rates of 3-6 inches per hour could lead to extensive and rapid onset flash flooding. The National Weather Service just issued a FLASH FLOOD WARNING FOR OUR AREA. Posted by Bob Rehak at 10:50 on based on NHC, NWS, and RadarScope dataġ120 Days since Hurricane Harvey and 369 since Imelda …the lake level has been dropping, no doubt due to a preemptive release. USGS shows that even though the lake has received about 1.75 inches of rainfall to date… Normal conservation pool equals 201.Īccording to the Coastal Water Authority, Lake Houston is at: Lake Level The level of Lake Conroe stands at 199.63 feet. Neither Lake Conroe, nor Lake Houston have yet been adversely affected by Beta. A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flood Warnings and WatchesĪ flash flood warning means that flooding is in progress. Note band of extreme rainfall near Sugar Land and sharp drop-off near Kingwood. Right half shows total rainfall accumulation for Beta. Left half shows track of active storms as of 9:06AM CDT. A flash flood watch remains in effect for the entire region. ![]() However, flash flood warnings remain in effect for large parts of the seven-county Houston region, especially the southern part. The NHC also cancelled the tropical storm and storm surge warnings that were in effect. CDT, the National Hurricane Center (NHC) downgraded Tropical Storm Beta to a tropical depression.
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