FNUS73 KGID 271138
FWSGID

SPOT FORECAST FOR HERON...USFWS
NATIONAL WEATHER SERVICE HASTINGS NE
638 AM CDT TUE APR 27 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON APRIL 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...DESPITE HIGH PRESSURE WORKING INTO THE REGION...WINDS
WILL REMAIN A BIT GUSTY THIS MORNING...POSSIBLY UP TO 25 MPH THROUGH
ABOUT IGNITION TIME. MIXING HEIGHTS WILL REMAIN AROUND 1000 FEET
UNTIL THE LOW CLOUDS CAN LIFT...WHICH SHOULD ALSO NEAR OR JUST PRIOR
TO IGNITION TIME. ONCE THE CLOUDS LIFT...MIXING HEIGHTS WILL RISE
SUBSTANTIALLY...AND LOOK LIKE THEY BE NEAR 7K BY LATE IN THE AFTERNOON.
DISPERSION THROUGH MID AFTERNOON SHOULD BE ADEQUATE...BUT WINDS WILL
DROP OFF TO LESS THAN 8 MPH AT 3 OR 4 PM...AND THEN LIGHT AND VARIABLE
THROUGH EARLY EVENING. SOUTH WINDS RETURN DURING THE OVERNIGHT HOURS
TUESDAY NIGHT.

STRONG SOUTH WINDS ENGULFS THE AREA WEDNESDAY...GUSTING OVER 30 MPH AT
-TIMES BY LATE MORNING. A COLD FRONT WILL PUSH INTO THE REGION THURSDAY.
THE FRONT WILL BRING SHIFTING WINDS AROUND MIDDAY THURSDAY...GIVE OR
TAKE. THIS PARTICULAR BURN AREA WILL BE ON THE EDGE OF THUNDERSTORM
POTENTIAL THURSDAY EVENING...LIKELY FAVORING AREAS JUST EAST OF THERE.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING
                    MOSTLY SUNNY (25-35 PERCENT).
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........42 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH
                    IN THE MORNING. WINDS DIMINISHING THIS AFTERNOON
                    AND BECOMING LIGHT AND VARIABLE ABOUT 5 OR 6 PM.
HAINES INDEX........4 TO 6.
MIXING HEIGHT.......RISING TO 7000 FT AGL.
TRANSPORT WINDS........NORTH AROUND 14 MPH.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........81 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE IN THE EARLY EVENING...THEN
                    SOUTH WINDS 6 TO 9 MPH.
HAINES INDEX........4 TO 6.
MIXING HEIGHT.......LOWERING TO LESS THAN 1500 FEET FT AGL.
TRANSPORT WINDS........SOUTH AROUND 9 MPH.

.WEDNESDAY...
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (45-55 PERCENT).
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........38 PERCENT.
WIND (20 FT)........SOUTH WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
                    35 MPH.
HAINES INDEX........3 TO 5.
MIXING HEIGHT.......RISING TO 3800 FT AGL.
TRANSPORT WINDS........SOUTH AROUND 31 MPH.

.FORECAST DAYS 3 THROUGH 7...
.THURSDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE LOWER 70S. SOUTH
WINDS AROUND 18 MPH.
.FRIDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. WEST WINDS AROUND
13 MPH.
.SATURDAY...PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
UPPER 60S. SOUTHWEST WINDS AROUND 6 MPH.
.SUNDAY...PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID
60S.
.MONDAY...PARTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE MID 40S.
HIGHS IN THE UPPER 60S.

$$
FORECASTER...NWS/MIKE MORITZ
REQUESTED BY...BRAD KROHN
TYPE OF REQUEST...PRESCRIBED
.TAG 20100427.HERON.01/GID