T.E.D. B.undy



Be prepared. Know the signs. Check out this site from the NOAA.


Forecast/Analysis Wildcard - New WRF model output availible in nmap2

What can we use? What does it look like? What do we need to change in our high-resolution analysis? Here are some examples for March 22nd 0Z run of the WRF now found in nmap2 for fhr24 over IA.

Short-term Forecast Reflectivity data

Being indicative of potential severe weather, 2m Td to analyze moisture. The Surface Low, cold front, dry line, and warm sector boundaries are distinct and forecast a ripe enfironment for development in IA and MO.

Local areas of mesoscale shear between 1000 and 5000hPa levels:

However; with such small grid spacing, traditional forms of analysis such as vorticity fields, streamlines and frontogenesis need to be adjusted. Too much detail with a phenomena too large for the sampling provides little information in the forecast process. These graphics demonstrate two of these issues: