A New Severe Thunderstorm warning has been issued for southwestern Black Hawk County in NE Iowa until 4:15. This includes Waterloo. This was the storm that was in SE Butler County.
BULLETIN – EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
340 PM CDT WED JUL 2 2008

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
SOUTHWESTERN BLACK HAWK COUNTY IN NORTHEAST IOWA…
THIS INCLUDES THE CITY OF WATERLOO…

* UNTIL 415 PM CDT.

* AT 339 PM CDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL…AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
HUDSON…OR 7 MILES SOUTHWEST OF WATERLOO…AND MOVING SOUTHEAST AT
23 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR…
HUDSON AND WATERLOO BY 345 PM CDT…
8 MILES SOUTHWEST OF EVANSDALE BY 355 PM CDT…
8 MILES SOUTHWEST OF GILBERTVILLE BY 405 PM CDT…
LA PORTE CITY BY 415 PM CDT…

THIS INCLUDES INTERSTATE 380 BETWEEN MILE MARKERS 68 AND 73.

MOVE TO AN INTERIOR ROOM AND STAY AWAY FROM WINDOWS. IF YOU LIVE IN A
MOBILE HOME…SEEK SHELTER IN A STURDY BUILDING.

Another storm has developed in Eastern Linn County East of Cedar Rapids, this one too could become severe as it moves toward the East Southeast.