SSCRAM+HRRR Severe Weather Guidance
Four-hour probability of severe storms, based on RAP/HRRR forecast and SSCRAM Technique
F001
F002
F003
F004
F005
F006
F007
F008
F009
F010
F011
F012
F013
F014
4-Hour Probabilities
18-Hour Probabilities
Tornado
Wind
Hail
Ltng
HRRR Overlays:
4-Hour Lightning Potential Grid
Simulated Reflectivity
MSL Pressure and Wind
Updraft Helicity
4-Hour Lightning Potential Grid
Simulated Reflectivity
MSL Pressure and Wind
Updraft Helicity
SPC Products:
SPC Day1 Categorical Outlook
SPC Day1 Categorical Outlook
Underlays:
States/Counties
NWS County Warning Areas
Highways
ARTCC Regions
States/Counties
NWS County Warning Areas
Highways
ARTCC Regions
Read more about the Statistical Severe Convective Risk Assessment Model (SSCRAM),
and the production of these guidance products.