Informe del NOAA. Con galería de imágenes:
http://www.srh.noaa.gov/ama/?n=apr11survey...NWS AMARILLO CONDUCTS STORM SURVEY FOR HAIL AND FLOOD ON U.S.
HIGHWAY 287 NORTH OF AMARILLO...
THE NATIONAL WEATHER SERVICE CONDUCTED A STORM SURVEY IN NORTHERN
POTTER COUNTY ALONG U.S. HIGHWAY 287 TODAY.
A SEVERE AND SLOW MOVING THUNDERSTORM OVER NORTHERN POTTER COUNTY
ABOUT 3 MILES SOUTH OF MASTERSON BROUGHT A TREMENDOUS AMOUNT OF HAIL
AND VERY HEAVY RAIN ACROSS U.S. HIGHWAY 287 IN NORTHERN POTTER
COUNTY.
THE NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATED THAT 5 TO 6
INCHES OF RAIN FELL IN A VERY SMALL AREA IN NORTHERN POTTER COUNTY
ABOUT 26 MILES NORTH OF AMARILLO. MOST OF THIS RAIN FELL IN ONE TO
TWO HOURS DURING THE LATE AFTERNOON ON APRIL 11TH. HAIL...UP TO THE
SIZE OF GOLFBALLS FELL WITH THE HEAVY RAIN. THE RUNOFF FROM THE HEAVY
RAIN PUSHED THE HAIL INTO 3 TO 4 FOOT DRIFTS ACROSS U.S. HIGHWAY 287.
U.S. HIGHWAY 287 WAS CLOSED FOR OVER 12 HOURS DUE TO WATER FLOODING
THE ROADWAY AND THE HAIL DRIFTS.
THE RUNOFF FROM THE HEAVY RAIN ALSO CAUSED A NORMALLY DRY CREEK TO
RISE ABOUT 15 FEET ABOUT 23 MILES NORTH OF AMARILLO. THE CREEK WAS
REPORTED TO HAVE RISEN TO THE BOTTOM SIDE OF THE HIGHWAY 287 BRIDGE.
THE SURVEY OF THESE SITES ON THE 12TH OF APRIL REVEALED HAIL STILL
PILED ABOUT 3 FEET DEEP IN PLACES IN THE DITCH. AT THE BRIDGE...THERE
WAS SEVERE EROSION OF THE EMBANKMENT JUST DOWNSTREAM OF THE BRIDGE.
THE NATIONAL WEATHER SERVICE WOULD LIKE TO THANK THE AMARILLO OFFICE
OF EMERGENCY MANAGEMENT FOR THEIR ASSISTANCE WITH THIS SURVEY.
Más info:
http://www.dailymail.co.uk/news/article-2128989/Hail-No-Raging-April-storm-leaves-feet-ICE-unbelievable-photos.html