NWS B'ham has updated info on tornado tracks & strengths today:
http://www.srh.noaa.gov/bmx/
The following map presents all supercell tracks from the historic outbreak of April 27, 2011. Tracks in BLACK are Non-Verified, radar
indicated tracks that will be investigated soon. GREEN tracks are confirmed EF-1 tornadoes. ORANGE tracks are confirmed EF-3 tornadoes. RED tracks are Confirmed tornadoes that have been preliminarily been rated as an EF-3+, and will be further assessed by national experts. Tracks in PURPLE are significant tornado tracks that will continually be surveyed throughout the coming days by Weather Service Employees and national experts. Ratings will be revealed when surveys are completed, and you can see the information by clicking on the banner on the front page.
their latest Public Info Statement on 13 confirmed tornadoes in AL:
http://forecast.weather.gov/product.php ... glossary=0
before & after aerial imagery from
http://www.noaanews.noaa.gov/stories201 ... adoes.html
