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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

Record high temperature 93.0°F Record low temperature -23.1°F Record high gust 60.0 mph Record high average 40.3 mph Record daily rain 1.58 in. Record low windchill -42.2°F Record high barometer 30.711 in. Record low barometer 29.131 in.
Daily high pressure 29.800 in. Daily low pressure 29.540 in. Daily low windchill 27.7°F Daily high heat index 41.0°F Daily high gust speed 8.1 mph SSE Daily high average speed 8.1 mph SE
Weather Data
LAST READING AT TIME: 8:30 PM DATE: March 12 2010, time of next update: 8:45 PM
Current Weatherovercast_\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 msl29.800 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



Weather report/warning/Metars

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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Created by "Weather Display" software version 10.37P at this start time/date 1:25:45 PM 3/11/2010