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* stats delayed and were probably not accurate to begin with
You are looking at an outlook that is part of the medium range forecast (the outlook for days 4-8). The most important thing to note is that lack of a risk does not mean zero risk. Generally speaking, confidence has to be pretty high for the Storm Prediction Center to have an outlook area this far into the future.
When no specific risk areas are shown, you might see one of these phrases:
If you bookmark this page, it will continue to update with each new outlook that is issued.
| Day 4 | Tuesday, January 6 | potential too low |
| Day 5 | Wednesday, January 7 | potential too low |
| Day 6 | Thursday, January 8 | predictability too low |
| Day 7 | Friday, January 9 | predictability too low |
| Day 8 | Saturday, January 10 | potential too low |
ZCZC SPCSWOD48 ALL ACUS48 KWNS 030931 SPC AC 030931
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0331 AM CST Sat Jan 03 2026
Valid 061200Z - 111200Z
DISCUSSION
Convective potential appears likely to increase across at least the South-Central States by late week. Guidance spread remains large with the handling of a lower-latitude shortwave trough that will initially be off the southern CA/Baja CA coast on D4/Tuesday. Non-ECMWF deterministic guidance largely eject this wave quickly east-northeastward into the southern Great Plains by late D5/Wednesday night. The ECMWF, EC-AIFS, and AIGFS maintain a slower and more reasonable scenario of progression through D6/Thursday. This will probably interact with a modifying warm-moist sector from the western Gulf, with some severe potential in a portion of the South-Central States. Spatiotemporal detail differences exist even among the preferred slower guidance and the majority of GEFS/ECENS ML probs remain below 15 percent for Thursday.
For the broad upper trough over the West, latest EC-AIFS and the ECMWF now depict potential of a negative-tilt evolution compared to prior runs and other guidance. Spread is quite large within the ECENS for both the AI/non-AI, indicative of a poorly predictable pattern for shortwave impulses embedded within the broader trough. But with potential for fast mid-level southwesterlies overlapping seasonably rich low-level moisture emanating north from the western Gulf, and some scenarios indicative of cyclogenesis over the central states, a severe area highlight may eventually be warranted on D7/Friday.
..Grams.. 01/03/2026
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