FLOOD WATCH NATIONAL WEATHER SERVICE DES MOINES IA 356 PM CST FRI MAR 12 2010 ...FLASH FLOODING DUE TO ICE JAMS IS POSSIBLE OVER NORTH CENTRAL IOWA THROUGH SATURDAY MORNING... .ICE JAMS ALONG THE DES MOINES...IOWA...WINNEBAGO...SHELL ROCK... AND CEDAR RIVERS AND THEIR RESPECTIVE TRIBUTARIES MAY LEAD TO FLASH FLOODING ACROSS NORTH CENTRAL IOWA THROUGH SATURDAY MORNING. IAZ004>007-015>017-023>028-033>039-130600- /O.CON.KDMX.FF.A.0003.000000T0000Z-100313T1300Z/ /00000.0.IJ.000000T0000Z.000000T0000Z.000000T0000Z.OO/ EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO- POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN- WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK- INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY... NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS... HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY... ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA... GRUNDY CENTER...WATERLOO 356 PM CST FRI MAR 12 2010 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SATURDAY MORNING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF CENTRAL IOWA...NORTH CENTRAL IOWA...NORTHEAST IOWA...NORTHWEST IOWA AND WEST CENTRAL IOWA...INCLUDING THE FOLLOWING AREAS...IN CENTRAL IOWA...GRUNDY...HAMILTON...HARDIN AND WEBSTER. IN NORTH CENTRAL IOWA...BUTLER...CERRO GORDO... FRANKLIN...HANCOCK...HUMBOLDT...KOSSUTH...WINNEBAGO...WORTH AND WRIGHT. IN NORTHEAST IOWA...BLACK HAWK AND BREMER. IN NORTHWEST IOWA...EMMET...PALO ALTO AND POCAHONTAS. IN WEST CENTRAL IOWA...CALHOUN AND SAC. * THROUGH SATURDAY MORNING * ICE JAMS ALONG AREA RIVERS AND THEIR RESPECTIVE TRIBUTARIES MAY LEAD TO FLASH FLOODING. THE RIVERS OF CONCERN INCLUDE... THE CEDAR RIVER NORTH OF WATERLOO...BEAVER CREEK IN AND AROUND NEW HARTFORD...THE SHELL ROCK RIVER NEAR AND UPSTREAM OF SHELL ROCK...AND THE WINNEBAGO RIVER AT MASON CITY. OTHER AREAS OF CONCERN INCLUDE...THE WEST FORK CEDAR RIVER NEAR FINCHFORD... THE IOWA RIVER UPSTREAM OF STEAMBOAT ROCK...THE NORTH RACCOON RIVER UPSTREAM OF LANESBORO...AND MULTIPLE POINTS ALONG THE THE DES MOINES RIVER AND EAST FORK DES MOINES RIVER... INCLUDING THE AREA AROUND AND UPSTREAM OF FORT DODGE. * THE ICE JAM POTENTIAL WILL SLOWLY SHIFT NORTH OVER THE NEXT 24 TO 48 HOURS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. BE ESPECIALLY CAREFUL IF YOU ARE OUT IN AREAS OF FOG...AS YOU MAY NOT SEE FLOODED AREAS UNTIL IT IS TOO LATE. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. $$ F


| Weather Data | |||
|---|---|---|---|
| LAST READING AT TIME: 8:30 PM DATE: March 12 2010, time of next update: 8:45 PM | |||
| Current Weather | overcast_\Night | Current Temperature | 35.1°F (1.7°C), Apparent temp 29.0°F |
| Maximum Temperature (since midnight) | 41.0°F at: 2:01 PM | Minimum Temperature (since midnight) | 33.1°F at: 5:02 AM |
| Average windspeed (ten minute) | 6.9 mph | Wind Direction (ten minute) | N (360°) |
| Windchill Temperature | 29.2°F | Maximum Gust (last hour) | 8.1 mph at: 7:30PM |
| Maximum Gust (since midnight) | 8.1 mph at: 1:16 PM | Maximum 1 minute average (since midnight) | 8.1 mph at: 1:16 PM |
| Rainfall (last hour) | 0.000 in. (0.0 mm) | Rainfall (since midnight) | 0.000 in. (0.0 mm) --- |
| Rainfall This month | 1.65 in. (42.0 mm) | Rainfall To date this year | 2.091 in. (53.1 mm) |
| Maximum rain per minute (last hour) | 0.000 in/min | Maximum rain per hour (last 6 hours) | 0.000 in/hour |
| Yesterdays rainfall | 0.335 in | DewPoint | 33.0°F (Wet Bulb :34.3°F ) |
| Humidity | 92 %, Humidex 31.4°F | Barometer corrected to msl | 29.800 in. (1009.1 hPa) (QNH 0.000 in.) |
| Pressure change | +0.03 in. (last hour) | Trend (last hour) | RISING SLOWLY |
| Pressure change (last 12 hours) | +0.16 in | Pressure change (last 6 hours) | +0.09 in |
















MASON CITY MUNICIPAL AIRPORT , IA, United States (KMCW) 43-09N 093-20W 369M Mar 12, 2010 - 08:53 PM EST / 2010.03.13 0153 UTC Wind: from the N (360 degrees) at 7 MPH (6 KT):0 Visibility: 9 mile(s):0 Sky conditions: overcast Temperature: 35.1 F (1.7 C) Dew Point: 33.1 F (0.6 C) Relative Humidity: 92% Pressure (altimeter): 29.8 in. Hg (1009 hPa) ob: KMCW 130153Z AUTO 36006KT 9SM BKN024 OVC030 02/01 A2980 RMK AO2 SLP096 T00170006 cycle: 2
Sunset at: 6:14:22 PM Moonrise at: 4:53:30 AM 03/12/10 Moonset at: 3:22:26 PM 03/12/10 First Quarter 22 February 2010 Full moon 28 February 2010 Last Quarter7 March 2010 New moon 15 March 2010 Moon age: 26 days,6 hours,48 minutes,12% Hours of possible daylight today was 11:44
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