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wow
J
jesus Christ ….
What I was thinking12z GFS run absolutely is affected by that lead wave being more amplified than the 06z run and thus suppressing moisture return more.
ZCZC SPCSWOD48 ALL
ACUS48 KWNS 070909
SPC AC 070909
Day 4-8 Convective Outlook
NWS Storm Prediction Center Norman OK
0309 AM CST Fri Mar 07 2025
Valid 101200Z - 151200Z
...DISCUSSION...
A progressive upper pattern is forecast during the Day 4-8 period.
An upper shortwave trough over the Southeast will move offshore the
Atlantic coast on Day 4/Mon. In its wake, low-amplitude upper
ridging is forecast from the southern Plains into the Southeast
through Day 5/Tue. Severe thunderstorm potential will be low during
this time as surface high pressure near the Gulf coast maintain a
dry continental airmass.
By Day 6/Wed, an upper trough over the southern Rockies and northern
Mexico will shift east across the southern Plains to the Sabine
Valley vicinity. Enhanced southwesterly deep-layer flow will develop
ahead of the trough across TX into the Lower MS Valley. Surface
cyclogenesis is currently forecast to remain modest, but southerly
low-level flow will transport Gulf moisture northward across the
south-central states. Higher-quality moisture is expected to remain
offshore or very near the TX/LA coast, with low 60s F dewpoints
possible across parts of east TX and LA ahead of an eastward
advancing cold front. Thunderstorm potential will accompany this
system, but moisture return will likely remain sub-optimal for a
greater severe risk.
By the end of the period, around Day 8/Fri, medium range guidance
develops a larger-scale, deepening trough ejecting into the Plains
and Upper Midwest vicinity. While some severe potential may increase
around the Friday time frame, large spread among guidance with
regards to timing and placement of the upper trough and key surface
features lends to low predictability. Trends will be monitored over
the coming days and outlook areas may become necessary if confidence
increases.
..Leitman.. 03/07/2025
Freaking @Clancy man..CIPS is still continuing to show a strong signal for severe centered on the Deep South. CSU's modelling also picking up on the beginnings of it at D8 range. SPC is watching the period closely, suggesting delineations may be required if confidence increases.
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12z GFS run absolutely is affected by that lead wave being more amplified than the 06z run and thus suppressing moisture return more.
gfs can't do moisture return well...and still gets mid-50s into Iowa with depth almost up to 700mb, where it's -16°C at 500mb.
oh crap12z Euro ensemble is very impressive for being 180 hours out. Moisture/CAPE probabilities improved as well.
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I was just going over 12z euro too, looks like first wave also not diving down far south as previous runs .12z Euro ensemble is very impressive for being 180 hours out. Moisture/CAPE probabilities improved as well.
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