FNUS73 KGID 181316
FWSGID

SPOT FORECAST FOR MACON...USFWS
NATIONAL WEATHER SERVICE HASTINGS NE
816 AM CDT WED APR 18 2012

FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON APRIL 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A COLD FRONT MOVING THROUGH THE REGION THIS MORNING
WILL CONTINUE A WIND SHIFT THROUGH THE MORNING HOURS...WITH NORTHEAST
WINDS THIS MORNING WILL BECOME EASTERLY BY ABOUT 4 PM. LOW
PRESSURE DEVELOPING ALONG THE FRONT RANGE WILL SHIFT WINDS TO
THE SOUTHEAST INTO THE EVENING. SUSTAINED WINDS WILL REMAIN LIGHT NEAR
10 MILES PER HOUR. BEGINNING OVERNIGHT...AN UPPER LEVEL TROUGH
AXIS WILL PUSH EASTWARD ACROSS THE PLAINS CREATING A CHANCE FOR
THUNDERSTORMS OVERNIGHT AND IN THE MORNING HOURS THURSDAY. HIGH
TEMPERATURES WILL CLIMB INTO THE MID 70S TODAY. RELATIVE HUMIDITY
VALUES ARE EXPECTED TO RANGE FROM NEAR 50 PERCENT AT IGNITION TIME
TO NEAR 35 PERCENT THIS AFTERNOON. MIXING HEIGHTS NEAR 2800 FT AGL
AT IGNITION TIME WILL INCREASE TO NEAR 4500 FT AGL THIS
AFTERNOON...

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).
MAX TEMPERATURE.....AROUND 74 AT 5 PM.
MIN HUMIDITY........37 PERCENT AT 5 PM.
20-FOOT WINDS.......NORTH WINDS 5 TO 7 MPH SHIFTING TO THE EAST 6
                    TO 7 MPH IN THE AFTERNOON.
HAINES INDEX........2 TO 4.
MIXING HEIGHT.......NEAR 300 FT AGL AT 7 AM...INCREASING TO 2800 FT AGL
                    BY INGITION TIME...AND EVENTUALLY TO 4600 FT AGL BY
                    5 PM.
TRANSPORT WINDS.....EAST AROUND 8 MPH.

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT). CHANCE OF
                    SHOWERS AND THUNDERSTORMS.
MIN TEMPERATURE.....AROUND 50 AT 7 AM.
MAX HUMIDITY........85 PERCENT AT 7 AM.
20-FOOT WINDS.......EAST WINDS 5 TO 7 MPH.
HAINES INDEX........3 TO 5.
MIXING HEIGHT.......NEAR 3600 FT AGL IN THE EVENING...DECREASING TO NEAR
                    300 FT AGL BY 7 AM.
TRANSPORT WINDS.....EAST AROUND 6 MPH.

.THURSDAY...
SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT).
MAX TEMPERATURE.....AROUND 70 AT 5 PM.
MIN HUMIDITY........44 PERCENT AT 5 PM.
20-FOOT WINDS.......NORTH WINDS 5 TO 12 MPH.
HAINES INDEX........3 TO 5.
MIXING HEIGHT.......NEAR 300 FT AGL AT 7 AM...INCREASING TO 6900 FT AGL
                    BY 5 PM.
TRANSPORT WINDS.....NORTH AROUND 11 MPH.

.FORECAST DAYS 3 THROUGH 7...
.FRIDAY...PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 60S. NORTH WINDS AROUND 11 MPH.
.SATURDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 60S. LIGHT WINDS.
.SUNDAY...MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER
70S. LIGHT WINDS.
.MONDAY...CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 70S.
.TUESDAY...MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
80S.

$$
FORECASTER...NWS
REQUESTED BY...BRUCE WINTER
TYPE OF REQUEST...PRESCRIBED
.TAG 20120418.MACON.01/GID