Warmer Through Tomorrow; Strong Storms Saturday

| March 20, 2017 @ 6:03 am

HELLO SPRING: The vernal equinox was at 5:29a CDT this morning; today we have approximately 12 hours of daylight, and 12 hours of darkness as the sun is directly over the equator. We should mention, “sunrise” is defined as the moment the upper edge of the sun’s disk becomes visible above the horizon – not when the center of the sun is visible. In the same sense, ‘sunset’ refers to the moment the sun’s upper edge, not the center, disappears below the horizon. The time it takes for the sun to fully rise and set, which is several minutes, is added to the day and subtracted from the night, and therefore the equinox “day” lasts a little longer than 12 hours.

Today will be partly to mostly sunny with a high between 75 and 79 degrees for most communities. Tomorrow will be even warmer as we surge into the 80s. A cold front will push into the state tomorrow night, and it could bring a few strong storms to the far northern counties, but most places will stay dry. We note SPC has a “marginal” risk of severe storms tomorrow just north of Alabama, over most of Tennessee.

WEDNESDAY THROUGH FRIDAY: We will mention the chance of a few isolated showers Wednesday and Thursday with a weak surface front nearly stationary over Central Alabama, but most of these two days will be dry with highs back in the 60s for most places. Friday will be dry and mild with a partly sunny sky and a high close to 70 degrees.

ACTIVE DAY SATURDAY: SPC has already defined a severe weather risk for much of Alabama on their “Day 6” outlook for Saturday…

A surface low will be northwest of the state, supported by a fairly deep upper trough with strong wind fields. This, combined with a moist, unstable, airmass, will set the stage for the potential for strong to severe thunderstorms across Alabama Saturday. Way too early to be specific with timing, or the greatest threats, but it certainly looks like an active weather day with showers and strong storms likely with potential for heavy rain. The high Saturday afternoon will be in the low 70s.

An upper low will pass over Alabama Sunday; the day looks mostly cloudy with a chance of lingering showers, but the severe weather threat will be over by then. Sunday’s high will be in the 60s.

NEXT WEEK: Looks like we will have another chance of strong storms toward the middle of next week; we are getting into the core of the spring tornado season in Alabama. See the Weather Xtreme video for maps, graphics, and more details.

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STORM SPOTTER TRAINING: We will be on the road through early April offering free storm spotter classes. We need more trained spotters in Alabama; by attending you can make the severe weather warning process better. No need to register; just come with a curious mind. And, there is no age limit… kids that love weather will enjoy it. You will never look at a storm the same again. The next class will be tomorrow evening in Lineville at 6:30 at the Clay County Farmers Market.

WEATHER BRAINS: Don’t forget you can listen to our weekly 90 minute netcast anytime on the web, or on iTunes. This is the show all about weather featuring many familiar voices, including our meteorologists here at ABC 33/40. We will produce this week’s show tonight at 8:30p CT… you can watch it live here.

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I have a weather program this morning for a home school group in Rainbow City… look for the next Weather Xtreme video here by 4:00 this afternoon. Enjoy the day!

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James Spann is one of the most recognized and trusted television meteorologists in the industry. He holds the AMS CCM designation and television seals from the AMS and NWA. He is a past winner of the Broadcast Meteorologist of the Year from both professional organizations.

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