***Official 2025 Weather Thread***

TornadoTouhou

Member
Jul 27, 2024
53
59
18
Ames, IA
CC thinks the cap may be weak enough that there is decent chance of some storms here in central/southern Iowa. Models are starting to show more convection though mainly bimodally- once in the moderate risk from highway 20 to Minneapolis firing at 1-4pm, one a bit further south from Omaha to St. Joseph south of Des Moines firing at 5-7pm.


My gut is saying the moderate risk may be maintained if not just extended south to Ames/Marshalltown which was already almost at 15% tornado risk today. The enhanced 10% risk may get extended down into Missouri given models are showing a good likelihood of storms kicking off down there.
 

Letterkenny

Well-Known Member
SuperFanatic
SuperFanatic T2
Oct 26, 2023
1,640
3,422
113
100% overcast where I am although the clouds are starting to thin out and I just saw the sun for 5 seconds.
What's this mean? Normally I'd think clouds clearing and the sun coming out is a good thing. Reading through this thread, it sounds like the first sign of the apocalypse.
 

WartburgClone

Well-Known Member
Mar 14, 2022
1,219
1,911
113
What's this mean? Normally I'd think clouds clearing and the sun coming out is a good thing. Reading through this thread, it sounds like the first sign of the apocalypse.
My understanding is:

little/no cloud cover = better daytime heating throughout late morning and early afternoon = better chance for severe weather in late afternoon and evening

although it is probably more complicated than that.