TORNADO WATCH NUMBER 207 NWS STORM PREDICTION CENTER NORMAN OK

115 PM CDT TUE JUN 3 2014

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF SOUTHWEST IOWA NORTHWEST MISSOURI CENTRAL AND EASTERN NEBRASKA* EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 115 PM UNTIL 700 PM CDT.  COUNTIES INCLUDED IN THE WATCH: ADAIR, ADAMS, AUDUBON, CASS, CARROLL, CRAWFORD, DALLAS, GUTHRIE, FREMONT, MADISON MILLS, MONTGOMERY, PAGE, POTTAWATTAMIE, HARRISON, SHELBY, AND SAC.

* PRIMARY THREATS INCLUDE…A COUPLE INTENSE TORNADOES POSSIBLE WIDESPREAD DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 90 MPH LIKELY SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5 INCHES IN DIAMETER POSSIBLE

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 45 MILES NORTHWEST OF BROKEN BOW NEBRASKA TO 70 MILES EAST OF SHENANDOAH IOWA.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

REMEMBER…A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

Iowa counties: MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT-PAGE….1130 AM CDT TUE JUN 3 2014

THIS AFTERNOON AND TONIGHT:  SEVERE THUNDERSTORMS PRODUCING DAMAGING WINDS…LARGE HAIL AND VERY HEAVY RAIN WILL LIKELY DEVELOP OVER THE AREA THROUGH THIS AFTERNOON. LONG TRACK TORNADOES…VERY LARGE HAIL ARE ALSO POSSIBLE AS A SIGNIFICANT SEVERE WEATHER OUTBREAK MOVES ACROSS THE REGION.

LARGE HAIL PRODUCING THUNDERSTORMS WILL LIKELY MOVE INTO NORTHEAST NEBRASKA THROUGH MID AFTERNOON…WITH DAMAGING WINDS AND VERY HEAVY RAIN ALSO EXPECTED. THESE STORMS COULD MOVE TOWARD EAST CENTRAL NEBRASKA AND WESTERN IOWA THROUGH MID TO LATE AFTERNOON.

LATER THIS AFTERNOON…A WARM FRONT IS FORECAST TO EXTEND FROM NORTHWEST TO SOUTHEAST FROM NEAR LINCOLN TOWARD FAR SOUTHWEST IOWA. SUPERCELL THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG AND NORTH OF THIS FRONT AND QUICKLY BECOME SEVERE. TORNADOES AND LARGE HAIL WILL BE THE PRIMARY HAZARD INITIALLY. THUNDERSTORMS ARE EXPECTED TO BECOME MORE WIDESPREAD INTO THE EARLY EVENING HOURS…AND EVENTUALLY DEVELOP INTO A LINE OF THUNDERSTORMS. THIS LINE WILL BE CAPABLE OF PRODUCING DAMAGING WIND AND LARGE HAIL…IN ADDITION TO HEAVY RAINFALL.

A FLASH FLOOD WATCH HAS BEEN ISSUED FOR MUCH OF SOUTHWESTERN IOWA THIS EVENING AND OVERNIGHT. WIDESPREAD RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE THROUGH TONIGHT.

HEAVY RAIN OVER MUCH OF THE REGION LATER THIS AFTERNOON THROUGH EARLY TONIGHT WILL ALSO LIKELY PRODUCE SOME STREAM AND RIVER FLOODING LATER TONIGHT INTO WEDNESDAY.

1054 AM CDT TUE JUN 3 2014

FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE SOUTHERN HALF OF IOWA. VERY HEAVY RAIN IS LIKELY THIS EVENING AND INTO THE OVERNIGHT WITH RAINFALL TOTALS FROM 2 TO 4 INCHES WITH A FEW ISOLATED 5 INCH OR GREATER AMOUNTS POSSIBLE. INTENSE RAINFALL RATES ARE EXPECTED AND WILL RESULT IN HEAVY AMOUNTS FALLING OVER SHORT PERIOD OF TIME.

Counties in green are under or will be under a Flash Flood Watch

AREA COUNTIES: AUDUBON-GUTHRIE-DALLAS-CASS-ADAIR-MADISON-ADAMS-UNION-TAYLOR-RINGGOLD-

FLASH FLOOD WATCH REMAINS IN EFFECT FROM 8 PM TUE. (6/3) THROUGH WEDNESDAY MORNING (6/4).

* SMALL CREEKS AND STREAMS TYPICALLY SUSCEPTIBLE TO FLASH FLOODING MAY RISE VERY RAPIDLY TONIGHT…ESPECIALLY IN URBAN AREAS.

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.

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

FLASH FLOOD WATCH IN EFFECT FROM 7-PM TUES. THROUGH WED. MORNING.

1143 AM CDT TUE JUN 3 2014

* HEAVY RAIN IS EXPECTED TO DEVELOP BY LATE AFTERNOON OR EARLY EVENING AND CONTINUE INTO THE NIGHT. RAINFALL AMOUNTS OF 1-3 INCHES ARE LIKELY WITH LOCALLY HEAVIER AMOUNTS POSSIBLE.

* IN ADDITION TO THE FLASH FLOOD THREAT THROUGH THIS EVENING…THE HEAVY RAIN COULD ALSO LEAD TO STREAM AND RIVER FLOODING LATER TONIGHT THROUGH WEDNESDAY.