Severe Thunderstorms are Likely on Tuesday (1/3/23)

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SUMMARY: Multiple rounds of thunderstorms are possible Tuesday into early Wednesday.

  • TIMING: Round 1: North Alabama – late morning/early afternoon
  • Round 2: Central Alabama – early afternoon/into the evening
  • Round 3: North Alabama – early afternoon/into the evening.

POTENTIAL HAZARDS: 20-30 MPH winds outside of thunderstorms, damaging thunderstorm winds of 60-70 MPH inside of thunderstorms, hail, heavy rainfall, and a few tornadoes. The tornado threat is higher across the southern portion of Coverage Zone 2.

POTENTIAL IMPACTS: Winds of 20-30 MPH can blow down loose unsecured items and patio furniture, winds of 60-70 can cause tree damage, leading to damage to roofs, windows, outbuildings, and power lines which could lead to power outages. Hail can damage vehicles. Heavy rainfall may cause flooding in low-lying and flood-prone areas. Tornadoes can cause significant damage to property and be a threat to human life.

AREAS AFFECTED: All of our Coverage Zones of north and central Alabama.


Discussion

A complicated weather scenario will be taking place on Tuesday. SPC has placed most of the state in a Slight Risk (Level 2/5), with south-central Alabama in an Enhanced Risk (Level 3/5) as this area will have a greater tornado risk. Central Alabama will be seeing a higher risk overall for severe weather while north Alabama has a lot more limiting or contributing factors. If the atmosphere is able to recover from round 1 with the redevelopment of storms, then round 3 may have more severe potential, whereas if the atmosphere remains rain-cooled this will limit severe potential.

For Central Alabama – Round 2 will be the only round from around 11 AM to 9 PM. Areas south of Tuscaloosa have been highlighted in an Enhanced Risk due to higher updraft helicity values. If any cells are able to rotate and tap into this energy a strong tornado or two will be possible.

  • BMX Tornado Threat

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