Author Archives: AWXVTEC FEED
Snow Cover on satellite
Check out this true-color image from the NASA Terra/MODIS satellite, taken as the satellite flew over the Louisiana Gulf Coast around 10:45 am CST (1645 UTC) this morning. Note that the satellite picture is taken from the side, and shows … Continue reading
Snow update 630 am
This has been almost the perfect snow event in Alabama! (Unless you’re in school and want a day off.) It’s a Saturday morning, so people generally don’t have to drive anywhere, the snow is still falling in many areas after … Continue reading
Snow continues
The temperature at BHM is now below freezing at 31 degrees, and mainly light snow continues to fall. With gusty winds, the wind chill is 19. Snowfall in Trussville so far about 0.5″. Those are some dry, cold snowflakes. It’s … Continue reading
Snow update 325 am
The low-level cold air advection, which may have been holding precipitation back over central Alabama earlier, has slowed down. Also, temperatures aloft have really dropped, possibly enhancing the instability. Still no lightning detected by LMA anywhere south of Huntsville. Temps … Continue reading
Snow picking up a little
With the rate of cold air moving in having slowed down, some precipitation is starting to show up in central Alabama. It may start out as a mixture of rain, sleet, and snow, but with temps in the 20s just … Continue reading
Update 10 pm
Looking at area radars (BMX, GWX, DGX, and SHV), while the heaviest and most widespread precipitation is to our north, in Tennessee and Kentucky, snow is increasing some in central Mississippi and even parts of northern Louisiana. Recall that warm … Continue reading
Interesting dynamics
Strong upper-level low slowly approaching Alabama tonight, as cold air moves in from the west. We normally talk about two ways of producing precipitation, bringing in warm air (which is not happening here), or bringing in an upper-level disturbance. That … Continue reading
Snow
The snow storm to our west, here on the 15 anniversary weekend of the Blizzard of 1993, is developing mainly as expected today. Strong upper-level disturbance is bringing moderate to heavy snow in Arkansas and northern Louisiana today. The latest … Continue reading
Gravity wave warning update
A gravity wave formed near the back edge of the rain this morning. A narrow band of heavy rain, accompanied by wind gusts out of the west up to 50 mph, is currently located from west of Gadsden to Anniston. … Continue reading
Gravity wave warning
It looks like another gravity wave has formed near the back edge of the rain this morning, with a narrow band of heavy rain moving through BHM over the past 30 minutes, and then the rain quickly cutting off behind … Continue reading
