Se ha lanzado alerta de tornado en el condado de Knox en Nebraska:
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
230 PM CDT SUN APR 15 2012
THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A
* TORNADO WARNING FOR...
KNOX COUNTY IN NORTHEASTERN NEBRASKA...
* UNTIL 330 PM CDT
* AT 227 PM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING TORNADOS. THESE STORMS WERE
LOCATED NEAR VERDIGRE...OR 31 MILES EAST OF ONEILL...AND MOVING
NORTH AT 25 MPH. SPOTTERS REPORTED A VERY BRIEF TORNADO TOUCHDOWN
1 MILE SOUTH OF VERDIGRE AT 227 PM.
* LOCATIONS IMPACTED INCLUDE...
VERDIGRE...NIOBRARA...SANTEE AND VERDEL.
Al final en el tornado de Woodward (Oklahoma) se han confirmado 5 muertes, parece ser que se dio la alerta de tornado dos minutos antes de que este golpeara la localidad.