COUNTIES: MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT-PAGE–

403 AM CDT SUN APR 15 2012

WIND ADVISORY NOW IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT THIS EVENING. SOUTH TO SOUTHWEST WINDS WILL INCREASE THROUGH THE MORNING AND IT WILL BE VERY WINDY THROUGH THE AFTERNOON. WIND SPEEDS SHOULD INCREASE TO 30 TO 40 MPH…WITH GUSTS UP TO 50 OR 55 MPH POSSIBLE THROUGH THE AFTERNOON.

A WIND ADVISORY MEANS THAT SUSTAINED WIND SPEEDS BETWEEN 30 TO 39 MPH OR GUSTS BETWEEN 45 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT…ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. SECURE LOOSE OBJECTS IF POSSIBLE.

418 AM CDT SUN APR 15 2012

A FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING FOR PORTIONS OF CENTRAL IOWA…SOUTH CENTRAL IOWA…SOUTHWEST IOWA AND WEST CENTRAL IOWA…INCLUDING THE FOLLOWING COUNTIES: IN CENTRAL IOWA…DALLAS AND POLK. IN SOUTH CENTRAL IOWA… CLARKE…MADISON…RINGGOLD…UNION AND WARREN. IN SOUTHWEST IOWA...ADAIR…ADAMS…CASS AND TAYLOR. IN WEST CENTRAL IOWA… AUDUBON AND GUTHRIE.

ADDITIONAL THUNDERSTORMS ARE LIKELY THROUGH THE MID MORNING HOURS. SOME OF THESE STORMS MAY PRODUCE HEAVY RAINFALL. FLASH FLOODING WILL BE A THREAT…ESPECIALLY FOR LOCATIONS WHICH SAW HEAVY RAINFALL ON SATURDAY EVENING.

COUNTIES: SAC-CALHOUN-WEBSTER-HAMILTON-CRAWFORD-CARROLL-GREENE-BOONE-STORY- AUDUBON-GUTHRIE-DALLAS-POLK-CASS-ADAIR-MADISON-WARREN-ADAMS-UNION– CLARKE-LUCAS-TAYLOR-RINGGOLD-DECATUR-WAYNE-

415 AM CDT SUN APR 15 2012 …

HIGH WIND WARNING IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS EVENING…

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A HIGH WIND WARNING, WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS EVENING. .GUSTY WINDS WILL BEGIN ACROSS THE AREA EARLY THIS AFTERNOON AND CONTINUE INTO THE EARLY EVENING HOURS. THE STRONGEST WINDS AND GUSTS ARE EXPECTED FROM MID AFTERNOON INTO EARLY EVENING.

SOUTH TO SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS TO 60 MPH OR HIGHER ARE EXPECTED. VERY STRONG WINDS WILL MAKE TRAVEL DIFFICULT FOR HIGH PROFILE VEHICLES, ESPECIALLY ON EAST WEST ORIENTED ROADS. THESE WINDS CAN CAUSE TREE DAMAGE AS WELL AS THE POTENTIAL FOR MINOR STRUCTURAL DAMAGE.

112 AM CDT SUN APR 15 2012

THE TORNADO WARNING FOR POTTAWATTAMIE COUNTY IS CANCELLED…

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS…AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO. THEREFORE THE WARNING HAS BEEN CANCELLED. HOWEVER GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM. IN ADDITION…SEVERE THUNDERSTORM REDEVELOPMENT REMAINS POSSIBLE… AND A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 2 AM.

103 AM CDT SUN APR 15 2012 A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 AM CDT FOR POTTAWATTAMIE COUNT

AT 1259 AM CDT LOCAL LAW ENFORCEMENT REPORTED A TORNADO. THIS TORNADIC STORM WAS LOCATED NEAR UNDERWOOD…OR 17 MILES EAST OF OMAHA…MOVING NORTHEAST AT 40 MPH.

LOCATIONS IMPACTED INCLUDE… AVOCA…OAKLAND…WALNUT…UNDERWOOD…HANCOCK AND MCCLELLAND. THIS INCLUDES THE FOLLOWING HIGHWAYS… HIGHWAY 59 BETWEEN MILE MARKERS 52 AND 58. INTERSTATE 80 IN IOWA NEAR MILE MARKER 17…AND BETWEEN MILE MARKERS 40 AND 46.

COUNTIES: MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT-PAGE

THE NATIONAL WEATHER SERVICE IN OMAHA/VALLEY HAS ISSUED A WIND ADVISORY, WHICH IS IN EFFECT FROM 11 AM TO 7 PM CDT SUNDAY.

SOUTH TO SOUTHWEST WINDS WILL INCREASE THROUGH THE MORNING AND BE VERY WINDY THROUGH THE AFTERNOON.  WIND SPEEDS SHOULD INCREASE TO 30 TO 40 MPH…WITH GUSTS UP TO 45 TO 55 MPH POSSIBLE THROUGH THE AFTERNOON.

A WIND ADVISORY MEANS THAT SUSTAINED WIND SPEEDS BETWEEN 30 TO 39 MPH OR GUSTS BETWEEN 45 TO 57 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT…ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. SECURE LOOSE OBJECTS IF POSSIBLE.

1257 AM CDT SUN APR 15 2012

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A TORNADO WARNING FOR POTTAWATTAMIE COUNTY IN SOUTHWESTERN IOWA…UNTIL 130 AM CDT

* AT 1255 AM CDT…DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR UNDERWOOD…OR 14 MILES EAST OF OMAHA…AND MOVING NORTHEAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE…

AVOCA…OAKLAND…WALNUT…HANCOCK AND MCCLELLAND.

THIS INCLUDES THE FOLLOWING HIGHWAYS…

HIGHWAY 59 BETWEEN MILE MARKERS 52 AND 58.

INTERSTATE 80 IN IOWA NEAR MILE MARKER 17…AND BETWEEN MILE

MARKERS 40 AND 46.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW.

AUDUBON-GUTHRIE-DALLAS-POLK-CASS-ADAIR-MADISON-WARREN-ADAMS-UNION-CLARKE-TAYLOR-RINGGOLD COUNTIES

…FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING…

ADDITIONAL THUNDERSTORMS ARE LIKELY OVERNIGHT. SOME OF THESE STORMS MAY PRODUCE HEAVY RAINFALL. FLASH FLOODING WILL BE A THREAT…ESPECIALLY FOR LOCATIONS WHICH SAW HEAVY RAINFALL ON SATURDAY AFTERNOON AND EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED.

1241 AM CDT SUN APR 15 2012

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A SEVERE THUNDERSTORM WARNING FOR EASTERN DOUGLAS COUNTY IN EAST CENTRAL NEBRASKA…MILLS COUNTY IN SOUTHWESTERN IOWA…POTTAWATTAMIE COUNTY IN SOUTHWESTERN IOWA…SARPY COUNTY IN EASTERN NEBRASKA…UNTIL 115 AM CDT

* AT 1236 AM CDT…NATIONAL WEATHER SERVICE METEOROLOGISTS INDICATED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 15 MILES SOUTH OF OMAHA TO OFFUTT AFB…OR ALONG A LINE EXTENDING FROM 40 MILES NORTHEAST OF LINCOLN TO 70 MILES NORTH OF FALLS CITY…AND MOVING EAST AT 45 MPH.

PENNY SIZE HAIL MAY ALSO ACCOMPANY THE DAMAGING WINDS. LOCATIONS IMPACTED INCLUDE…COUNCIL BLUFFS…BELLEVUE…OFFUTT AFB…GLENWOOD…OAKLAND…TREYNOR…UNDERWOOD…CARSON…EMERSON… MACEDONIA…CARTER LAKE…SILVER CITY…HASTINGS…HENDERSON AND MCCLELLAND.

THIS INCLUDES THE FOLLOWING HIGHWAYS…

HIGHWAY 59 BETWEEN MILE MARKERS 41 AND 52.

INTERSTATE 29 BETWEEN MILE MARKERS 35 AND 56.

INTERSTATE 80 IN IOWA BETWEEN MILE MARKERS 1 AND 20.

INTERSTATE 80 IN NEBRASKA BETWEEN MILE MARKERS 450 AND 454.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH…DESTRUCTIVE HAIL…DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION…MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM CDT SUNDAY MORNING FOR SOUTHWESTERN IOWA AND EASTERN NEBRASKA.

FLOOD WATCH NATIONAL WEATHER SERVICE DES MOINES IA 1025 PM CDT SAT APR 14 2012

…ADDITIONAL HEAVY RAINFALL POSSIBLE OVERNIGHT…

ADDITIONAL THUNDERSTORMS WITH HEAVY RAINFALL ARE POSSIBLE AGAIN OVERNIGHT. A WARM FRONT WILL LIFT NORTHWARD ACROSS SOUTHERN PORTIONS OF IOWA OVERNIGHT…HELPING TO PROVIDE A FOCUS FOR ADDITIONAL THUNDERSTORM DEVELOPMENT. MORE THUNDERSTORMS TO THE WEST OF IOWA

COUNTIES: AUDUBON-GUTHRIE-DALLAS-POLK-CASS-ADAIR-MADISON-WARREN-ADAMS-UNION-CLARKE-TAYLOR-RINGGOLD

…FLASH FLOOD WATCH IN EFFECT UNTIL 10 AM CDT SUNDAY…

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A FLASH FLOOD WATCH FOR PORTIONS OF CENTRAL IOWA…SOUTH CENTRAL IOWA…SOUTHWEST IOWA AND WEST CENTRAL IOWA…UNTIL 10 AM CDT SUNDAY

ADDITIONAL THUNDERSTORMS WITH HEAVY RAIN ARE POSSIBLE OVERNIGHT. THE GROUND IS STILL RECOVERING FROM THE HEAVY RAINFALL EARLIER THIS AFTERNOON AND EVENING. ANY ADDITIONAL HEAVY RAINFALL MAY PRODUCE FLASH FLOODING. THE THE AREAS WHICH RECEIVED HEAVY RAIN EARLIER THIS AFTERNOON AND EVENING ARE OF MOST CONCERN.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED.