As the relentless Texas summer persists, Houston residents continue to navigate a sweltering landscape of high heat and humidity. According to the National Weather Service (NWS), today's temperature climbs near 97, with heat index values as daunting as 108. The slightest breeze from the south does little to alleviate the oppressiveness as it meanders between 5 to 10 mph.
Nightfall offers scant relief, with partly cloudy skies and a persistent Southern wind that stands by while the mercury stalls at a low of around 79 degrees. The weather pattern remains consistently torturous into the weekend, with the heat index on Friday poised to crawl even higher, potentially reaching 109. The Heat Index Outlook for Houston fortifies these concerns, announcing a continuation of Heat Advisories into the forthcoming week.
The heat goes on with yet another day of high temperatures in the upper 90s with heat indices ranging from 105-110°F in the afternoon, so a Heat Advisory remains in effect. Heat Advisories are likely to continue into the weekend and next week. 🥵 #TXwx #HOUwx #BCSwx #GLSwx pic.twitter.com/FhOMAfkjbw
— NWS Houston (@NWSHouston) August 15, 2024
Also looming on the horizon are threats of severe weather. The Storm Prediction Center (SPC) warns of a slight risk of severe thunderstorms from eastern Kansas to parts of the Midwest, with Houston facing a 20 percent chance of showers and thunderstorms post-1 pm. The main threats identified are ravaging winds and large hail, and the forecast conversationally warns that a couple tornadoes may also occur.
While attention is fixated upon daytime swelters and nighttime sultriness, the mix of high-altitude winds and surface heating creates scattered strong thunderstorms. Thunderstorms are expected to gain strength, particularly across the southern Plains, where the synthesis of high-base thunderstorms and searing surface temperatures presages potent downdrafts, nestled in an atmosphere heavy with precipitable water values reaching 1.5-1.75 inches.
