FLASH FLOOD WARNING

NATIONAL WEATHER SERVICE DES MOINES IA

434 PM CDT SUN MAY 19 2013

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* FLASH FLOOD WARNING FOR…

WESTERN CRAWFORD COUNTY IN WEST CENTRAL IOWA…

* UNTIL 1030 PM CDT

* AT 432 PM CDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED

SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE

WARNED AREA. AS MUCH AS 1 INCH OF RAIN HAS FALLEN OVER THE PAST

FEW HOURS…AND ADDITIONAL HEAVY RAINFALL IS EXPECTED FROM

THUNDERSTORMS THAT ARE EXPECTED TO MOVE OVER THE SAME AREAS.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO

OCCUR. FLASH FLOODING IS EXPECTED TO OCCUR OVER MAINLY RURAL AREAS

OF WESTERN CRAWFORD COUNTY…INCLUDING THE TOWNS OF ARION…CHARTER

OAK…DOW CITY…KIRON…RICKETTS AND SCHLESWIG.

POTTAWATTAMIE IA-
400 PM CDT SUN MAY 19 2013

…A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR CENTRAL POTTAWATTAMIE COUNTY…

AT 357 PM CDT…A SEVERE THUNDERSTORM WAS LOCATED NEAR COUNCIL
BLUFFS…OR 14 MILES EAST OF OMAHA…MOVING NORTHEAST AT 40 MPH.
ANOTHER STORM WAS NEAR CRESCENT IOWA…OR 18 MILES NORTHEAST OF
OMAHA.  THIS STORM WAS ALSO MOVING NORTHEAST AT 40 MPH.

HAZARD…HALF DOLLAR SIZE HAIL AND 70 MPH WIND GUSTS.

SOURCE…LAW ENFORCEMENT.

IMPACT…HAIL DAMAGE TO VEHICLES AND CROPS IS EXPECTED. EXPECT
CONSIDERABLE TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE
HOMES…ROOFS AND OUTBUILDINGS.

LOCATIONS IMPACTED INCLUDE…
COUNCIL BLUFFS…TREYNOR…UNDERWOOD…NEOLA…CRESCENT AND
MCCLELLAND.

BULLETIN – IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WARNING

NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA

346 PM CDT SUN MAY 19 2013

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…

NORTHWESTERN MILLS COUNTY IN SOUTHWEST IOWA…

CENTRAL POTTAWATTAMIE COUNTY IN SOUTHWEST IOWA…

NORTHEASTERN SARPY COUNTY IN EAST CENTRAL NEBRASKA…

* UNTIL 430 PM CDT

* AT 340 PM CDT…A SEVERE THUNDERSTORM WAS LOCATED NEAR OFFUTT

AFB…OR 13 MILES SOUTHEAST OF OMAHA…MOVING NORTHEAST AT 40 MPH.

HAZARD…HALF DOLLAR SIZE HAIL AND 70 MPH WIND GUSTS.

SOURCE…LAW ENFORCEMENT.

IMPACT…HAIL DAMAGE TO VEHICLES AND CROPS IS EXPECTED. EXPECT

CONSIDERABLE TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE

HOMES…ROOFS AND OUTBUILDINGS.

* LOCATIONS IMPACTED INCLUDE…

COUNCIL BLUFFS…BELLEVUE…OFFUTT AFB…TREYNOR…UNDERWOOD…

PACIFIC JUNCTION…NEOLA…CRESCENT AND MCCLELLAND.

THIS STORM PRODUCED DAMAGING WINDS IN PLATTSMOUTH AROUND 340 PM.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A TORNADO WATCH REMAINS IN EFFECT FOR PARTS OF THE WARNED AREA.

MILLS IA-CASS NE-SARPY NE-

327 PM CDT SUN MAY 19 2013

…A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR NORTHERN MILLS…NORTHEASTERN CASS AND EASTERN SARPY COUNTIES… AT 322 PM CDT…A SEVERE THUNDERSTORM WAS LOCATED NEAR PLATTSMOUTH… OR 18 MILES SOUTH OF OMAHA…MOVING NORTHEAST AT 45 MPH. HAZARD…HALF DOLLAR SIZE HAIL AND 60 MPH WIND GUSTS.

SOURCE…RADAR INDICATED. IMPACT…HAIL DAMAGE TO VEHICLES AND CROPS IS EXPECTED. EXPECT WIND DAMAGE TO ROOFS…SIDING AND TREES. LOCATIONS IMPACTED INCLUDE…BELLEVUE…OFFUTT AFB…PLATTSMOUTH…GLENWOOD…PACIFIC JUNCTION AND MURRAY.

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
314 PM CDT SUN MAY 19 2013

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL CASS COUNTY IN SOUTHEAST NEBRASKA...
  NORTHERN MILLS COUNTY IN SOUTHWEST IOWA...
  EASTERN SARPY COUNTY IN EAST CENTRAL NEBRASKA...

* UNTIL 345 PM CDT

* AT 313 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR WEEPING
  WATER...OR 26 MILES SOUTH OF OMAHA...MOVING NORTHEAST AT 45 MPH.

HAZARD...HALF DOLLAR SIZE HAIL AND 60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED.

IMPACT...HAIL DAMAGE TO VEHICLES AND CROPS IS EXPECTED. EXPECT WIND
DAMAGE TO ROOFS...SIDING AND TREES.

* LOCATIONS IMPACTED INCLUDE...
  BELLEVUE...OFFUTT AFB...PLATTSMOUTH...GLENWOOD...PACIFIC
  JUNCTION...MURRAY...NEHAWKA AND MANLEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

NWS STORM PREDICTION CENTER NORMAN OK
300 PM CDT SUN MAY 19 2013

TORNADO WATCH 183 IS IN EFFECT UNTIL 1000 PM CDT FOR THE FOLLOWING COUNTIES.....

ADAIR                ADAMS               APPANOOSE
AUDUBON              BENTON              BOONE
CARROLL              CASS                CEDAR
CLARKE               CLINTON             CRAWFORD
DALLAS               DAVIS               DECATUR
DES MOINES           GREENE              GUTHRIE
HARRISON             HENRY               IOWA
JACKSON              JASPER              JEFFERSON
JOHNSON              JONES               KEOKUK
LEE                  LINN                LOUISA
LUCAS                MADISON             MAHASKA
MARION               MARSHALL            MILLS
MONONA               MONROE              MONTGOMERY
MUSCATINE            POLK                POTTAWATTAMIE
POWESHIEK            RINGGOLD            SAC
SCOTT                SHELBY              STORY
TAMA                 TAYLOR              UNION
VAN BUREN            WAPELLO             WARREN
WASHINGTON           WAYNE

COUNTIES: SAC-CRAWFORD-CARROLL-AUDUBON-GUTHRIE-DALLAS-CASS-ADAIR-MADISON-ADAMS-UNION-TAYLOR-RINGGOLD

248 PM CDT SUN MAY 19 2013

THIS AFTERNOON AND TONIGHT MORE WIDESPREAD THUNDERSTORM ACTIVITY IS EXPECTED TO DEVELOP BY EARLY EVENING AND SPREAD NORTHEAST ACROSS THE AREA INTO TONIGHT. SIGNIFICANT SEVERE WEATHER IS EXPECTED WITH THESE STORMS LATER THIS AFTERNOON INTO THE EVENING WITH ALL MODES OF SEVERE WEATHER POSSIBLE. GOLF BALL HAIL…DAMAGING SURFACE WINDS IN EXCESS OF 60MPH AND A FEW TORNADOES WILL BE POSSIBLE DURING THIS TIME.

MONDAY THROUGH SATURDAY….SCATTERED THUNDERSTORMS ARE EXPECTED FROM TIME TO TIME ON MONDAY INTO EARLY WEDNESDAY. THERE IS THE THREAT FOR SEVERE WEATHER MONDAY AFTERNOON INTO THE EVENING AS WELL AS AGAIN ON TUESDAY AFTERNOON AND EVENING. MAIN THREAT WILL BE FROM LARGE HAIL AND DAMAGING WINDS ALTHOUGH AN ISOLATED TORNADO CANNOT BE RULED OUT.

.SPOTTER INFORMATION STATEMENT…

SPOTTER ACTIVATION WILL BE NEEDED LATER THIS AFTERNOON INTO THE EVENING FOR THE OUTLOOK AREA. ADDITIONAL SPOTTER ACTIVATION MAY BE NEEDED FROM TIME TO TIME EARLY IN THE WORK WEEK.

TORNADO WATCH NUMBER 181 NWS STORM PREDICTION CENTER NORMAN OK

150 PM CDT SUN MAY 19 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A  TORNADO WATCH FOR PORTIONS OF SOUTHWEST IOWA, CENTRAL AND EASTERN KANSAS WEST CENTRAL AND NORTHWEST MISSOURI SOUTHEAST NEBRASKA EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 150 PM UNTIL 1000 PM CDT. IN SOUTHWEST IOWA, THE WATCH CURRENTLY INCLUDES FREMONT AND PAGE COUNTIES.

* PRIMARY THREATS INCLUDE…

SEVERAL TORNADOES LIKELY WITH A FEW INTENSE TORNADOES POSSIBLE NUMEROUS LARGE HAIL EVENTS LIKELY WITH A FEW VERY LARGE HAIL EVENTS TO 3 INCHES IN DIAMETER POSSIBLE SEVERAL DAMAGING WIND GUSTS LIKELY WITH A FEW SIGNIFICANT GUSTS TO 80 MPH POSSIBLE THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 115 STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH NORTHWEST OF FALLS CITY NEBRASKA TO 45 MILES SOUTH OF WICHITA KANSAS.

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.

(National Weather Service/update 5:26-a.m.)

Today: Showers and thunderstorms, mainly after 3pm. Some of the storms could be severe. High near 83. Breezy, with a south southeast wind 8 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight: Showers and thunderstorms, mainly before 1am. Some of the storms could be severe. Low around 62. South wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Monday: A 20 percent chance of showers and thunderstorms before 10am. Partly sunny, with a high near 79. Breezy, with a south southwest wind 11 to 20 mph, with gusts as high as 30 mph.
Monday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59. South southwest wind 6 to 13 mph, with gusts as high as 24 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 71. Southwest wind 5 to 11 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 67.
Wednesday Night: A slight chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 20%.