FNUS74 KFWD 291540
FWSFWD

SPOT FORECAST FOR CALHOUN...NRCS
NATIONAL WEATHER SERVICE FORT WORTH TX
1040 AM CDT MON MAR 29 2010

FORECAST IS BASED ON IGNITION TIME OF 1300 CDT ON MARCH 29.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...

.DISCUSSION...

WHILE MIN RH VALUES THIS AFTERNOON ARE EXPECTED TO BE LOW...LIGHT
SOUTHWESTERLY WINDS SHOULD ALLOW FOR CONTROLLABLE FIRE BEHAVIOR.
LOOKING AT THE BURN SITE...THERE IS A SLIGHT RIDGE TO THE NORTHEAST
AND WITH LIGHT SOUTHWESTERLY WINDS NEAR THE SURFACE THE FIRE SHOULD
TEND TO BUILD UP THE RIDGE TO THE NORTHEAST.  THE PRIMARY PUBLIC
SAFETY CONCERN WOULD BE THE FIRE PRODUCING SMOKE WHICH MAY REDUCE
VISIBILITIES OVER PORTIONS OF INTERSTATE 20.  BY THIS AFTERNOON
MIXING HEIGHTS NEAR THE BURN LOCATION ARE EXPECTED TO CLIMB TO
4000 FT AT IGNITION TIME AND THEN  INCREASE TO 6000 FT BY THE MID
AFTERNOON HRS.  WITH GOOD VENTILATION AND LIGHT SFC WINDS EXPECT
THAT SMOKE WILL BE ABLE TO DISPERSE QUICKLY AND PROVIDE LITTLE
DANGER OF REDUCING VISIBILITIES ALONG INTERSTATE 20...ASSUMING THE
FIRE REMAINS UNDER CONTROL.  MIXING HEIGHTS WILL BEGIN TO DIMINISH
QUICKLY TOWARDS SUNSET.

.REST OF TODAY...

SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 75.
MIN HUMIDITY........24 PERCENT.
WIND (20 FT)........SOUTH WINDS 6 TO 9 MPH.

TIME (CDT)      1PM 2PM 3PM 4PM 5PM
SKY (%).........2   2   2   3   3
WEATHER COV.....
WEATHER TYPE....
TEMP............62  65  68  71  75
RH..............39  34  30  27  24
20 FT WIND DIR..SW  SW  S   S   S
20 FT WIND SPD..5   6   6   6   6
20 FT WIND GUST.10  10  10  10  10

$$
FORECASTER...CAVANAUGH
REQUESTED BY...KEVIN DERZAPF
TYPE OF REQUEST...PRESCRIBED
.TAG 20100329.CALHO.01/FWD