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Very Hot for your Independence Day with Isolated Storms

2016-07-04_6-54-26

I’m more of a fall kind of guy. Mother nature tends to behave with a bit more predictability. I’m sure glad I mentioned that storms were possible again overnight in my update last evening. The first round of storms weakened as expected as they approached D/FW last evening. A second round of storms develop and thriving on a low-level jet made it into D/FW producing wind gusts of 40 to 60 MPH and enough lightning to wake the dead. At 7 AM we still have storms impacting D/FW. The strongest storms were from just west of Denton to Fort WOrth to Mansfield to Italy. All this activity is moving just south of due east. As the low-level jet weakens this morning I expect these storms will also weaken. By mid-morning activity should be moving into East Texas and weakening.

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The forecast than concentrates on the afternoon heat expected across Texas. The thermostat is getting turned up. With the exception of a slightly rain-cooled air mass in North Texas we’re going to be looking at the hottest day so far this year in parts of the state. High temperatures will range from 95°F on the cool end of the spectrum all the way up to 108°-109°F on the annoyingly hot side of the spectrum. Heat index values will be highest where humidity levels are highest – thus along and east of Interstate 35. High temperatures will range from the upper 90s to around 100° along/east of I-35 but heat index values could top 110°-115°F. This is going to be the hottest Independence Day we’ve dealt with in a couple of years. Stay hydrated and keep the sunscreen handy.

TX_swody1

Isolated thunderstorms will develop this afternoon as temperatures warm up. This won’t result in a washout and those that end up under a storm won’t stay under it for more than an hour. Any storm that develops will produce dangerous cloud to ground lightning. Some storms may become severe with damaging wind gusts and hail. Outflow boundaries may be produced which could result in gusty winds well away from storms – a particular danger to those on lakes. A few storms could create problems for a couple firework shows this evening – but for the majority I don’t expect issues. Even if there are storms in any given area they shouldn’t impact any one area for more than 45-60 minutes.

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David Reimer

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