BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
344 AM CDT SUN JUL 18 2010

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
JASPER COUNTY IN CENTRAL IOWA…
NORTHEASTERN LUCAS COUNTY IN SOUTH CENTRAL IOWA…
NORTHERN MADISON COUNTY IN SOUTH CENTRAL IOWA…
MAHASKA COUNTY IN SOUTH CENTRAL IOWA…
MARION COUNTY IN SOUTH CENTRAL IOWA…
SOUTHWESTERN MARSHALL COUNTY IN CENTRAL IOWA…
MONROE COUNTY IN SOUTH CENTRAL IOWA…
SOUTHERN POLK COUNTY IN CENTRAL IOWA…
SOUTHWESTERN POWESHIEK COUNTY IN CENTRAL IOWA…
WARREN COUNTY IN SOUTH CENTRAL IOWA…

* UNTIL 445 AM CDT

* AT 340 AM CDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 11 MILES NORTH OF NEWTON TO 5 MILES SOUTH OF MONROE TO 12 MILES NORTHWEST OF CHARITON…AND MOVING SOUTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE…KNOXVILLE…CHARITON…PELLA…GRINNELL…NEW SHARON…OSKALOOSA…MONTEZUMA…ALBIA…REASNOR…LAKE RED ROCK…MELCHER-DALLAS…KELLOGG…KNOXVILLE AIRPORT…PELLA AIRPORT…WILLIAMSON…OAKLAND ACRES…SULLY…HARVEY…LYNNVILLE AND GRINNELL AIRPORT.

THIS INCLUDES INTERSTATE 80 BETWEEN MILE MARKERS 146 AND 197.

THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 48 AND 68.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

THESE ARE DANGEROUS STORMS! IMMEDIATELY GO TO A BASEMENT OR SMALL INTERIOR ROOM…AWAY FROM WINDOWS. EXTENSIVE DAMAGE AND INJURY ARE LIKELY. EVACUATE MOBILE HOMES…AND SEEK SHELTER IN A REINFORCED BUILDING. WIDESPREAD DESTRUCTIVE WINDS CAN PRODUCE DAMAGE AND SERIOUS INJURY SIMILAR TO A TORNADO.

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO WARNING. IF A TORNADO IS SPOTTED…IMMEDIATELY MOVE TO THE BASEMENT OR SMALL INTERIOR ROOM OF A REINFORCED BUILDING.