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1 Day Out / Day Of
- Moisture / Instability – Surface Dewpoints > 55 F
COD HRRR Model (18 Hours Out/Updated Hourly) - Shear / Lift – 500mb Surface Winds > 30 kts (mid-level winds approx 5,000 ft high)
COD HRRR Model (18 Hours Out/Updated Hourly) - Day 1 SPC Convective Outlook
- Hazardous Weather Outlooks
Huntsville
Birmingham
Atlanta - 0-3KM CAPE > 100 J/kg for sfc based storms
- Lid Strength < 2 C for Significant tornado/ sfc based (discriminate between tornado / non-tornado areas)
2 Days Out
- Moisture / Instability – Surface Dewpoints > 55 F
COD NAM Model (Good 3.5 days out) - Shear / Lift – 500mb Surface Winds > 30 kts (mid-level winds approx 5,000 ft high)
COD NAM Model (Good 3.5 days out) - Day 2 SPC Convective Outlook
- Hazardous Weather Outlooks
Huntsville
Birmingham
Atlanta - 0-3KM CAPE > 100 J/kg for sfc based storms
- Lid Strength < 2 C for Significant tornado/ sfc based (discriminate between tornado / non-tornado areas)
3.5 Days Out
- Moisture / Instability – Surface Dewpoints > 55 FCOD GFS Model (Good for 3.5 – 5 days out)
COD NAM Model (Good 3.5 days out)
Do NAM and GFS match ? - Shear / Lift – 500mb Surface Winds > 30 kts (mid-level winds approx 5,000 ft high)COD GFS Model (Good for 3.5 – 5 days out)
COD NAM Model (Good 3.5 days out) - Day 3 SPC Convective Outlook
- Hazardous Weather Outlooks
Huntsville
Birmingham
Atlanta