wildwestpb

Just now, Misstertwister said:

Random question as we all watch this unfold. 

 

What are the darker red streaks on a CAM? 

 

When I do an HRRR loop say for UH reflectivity > 25?  I’ve alwasy wondered what those signify?

 

thanks. 

Those are updraft helocity tracks where hail cores or possible tornadoes could be.

PDS Tornado watch now up for SW, SC up to Central OK

Latest mesoscale discussion specifically says PDS tornado watch coming by 1-2PM CST - https://www.spc.noaa.gov/products/md/2019/md0699.html

1 hour ago, okiestormgeek said:

What region would this be affecting? 

Currently, SPC has the outlined area for Friday the southern half of Oklahoma (basically I-40 south nearly border to border) and all of North Texas from just west of Vernon TX, over to the ArkLaTex, and just north of DFW.

Per the AFDs this morning from both OUN and TSA - they believe the best/most likely threat for severe weather will be around the Red River Valley and to areas south. This will likely change somewhat as we get closer to the event, but this has been a fairly steady forecast from both offices for a few days now. We'll know a little better come tomorrow and Thursday I suppose.

OUN AFD -

As for severe storms, Friday, the impact of the ongoing convection
through the morning hours will have an obvious impact on where, if
any, suitable warm sector will reside and the potential for severe
thunderstorms. At present, given the various solutions, it appears
some recovery may occur along and near the Red River Valley,
including far southern Oklahoma into north Texas, with storms
primarily developing along the front as it advances south/southeast
overnight into early Saturday.

TSA AFD -

The frontal boundary will stall near the Red River Thursday night
and Friday as a potent upper system dives southeast from the
northern Rockies into the southern Plains. The severe weather risk
across our area does not appear overly high (upper low dig,
nothing big rule in place), especially if the favored ECMWF/UKMET
verify, with heavy rainfall and potential flooding being the
greatest concern, particularly across the northern half of our
forecast area. A wide range of temperatures will likely exist
Friday, with areas near the Kansas border struggling to reach 60,
while far southeast Oklahoma near the stalled frontal boundary may
approach 80.

It was real. Multiple reports and photos from the area around Minco/Amber/Pocasset. They were spin ups associated with the cold front.