Suppression Forecast Issued by NWS Oklahoma City, OK
000
FNUS74 KOUN 131146
FWSOUN
SPOT FORECAST FOR WMWR PILES...USFWS
NATIONAL WEATHER SERVICE NORMAN OK
646 AM CDT MON MAY 13 2013
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MAY 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
.DISCUSSION...
FIRE WEATHER CONCERNS WILL BE HEIGHTENED FOR BOTH TODAY AND TUESDAY
AS TEMPERATURES RISE INTO THE 90S...MINIMUM RH VALUES FALL INTO THE
TEENS AND LOWER 20S...AND SOUTHWEST WINDS INCREASE.
.TODAY...
SKY/WEATHER.........SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....72 AT IGNITION...MAX 90.
MIN HUMIDITY........35 PERCENT AT IGNITION...MIN 20 PERCENT.
20-FOOT WINDS.......WINDS SOUTHWEST AT 13 MPH AT
IGNITION...OTHERWISE SOUTHWEST WINDS 13 TO 16
MPH.
MIXING HEIGHT.......1500 FT AGL AT IGNITION...OTHERWISE 200-2100 FT
AGL INCREASING TO 9800-11700 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 13 TO 16 MPH.
SMOKE DISPERSAL.....GOOD /35700 KNOT-FT/ AT IGNITION. MAX...GOOD
/35700 KNOT-FT/ INCREASING TO EXCELLENT TO
EXCELLENT (86900-128000 KNOT-FT).
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........MCR MCR MCR MCR MCR MCR MCR MCR MCR
WEATHER COV.....
WEATHER TYPE....
TEMP............72 77 81 84 87 88 90 90 89
RH..............35 30 27 25 22 22 20 20 20
20 FT WIND DIR..SW SW SW SW SW SW SW SW S
20 FT WIND SPD..15 16 16 16 16 16 16 15 15
20 FT WIND GUST.25 25 25 25 25 25 25 25 25
MIX HGT (KFT)...1.5 2.1 3.1 4.5 7.1 9.8 12 12 11
MIX HGT (KM)....0.5 0.6 0.9 1.4 2.2 3.0 3.5 3.6 3.2
TRANSP WIND DIR.W W W W W W W W SW
TRANSP WIND SPD.25 25 23 21 18 15 14 14 16
TRANS SPD (M/S).11 11 10 9 8 7 6 6 7
VRATE KTFT/1000.36 58 81 103 119 128 121 107 87
.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
MIN TEMPERATURE.....MIN 61.
MAX HUMIDITY........MAX 58 PERCENT.
20-FOOT WINDS.......SOUTHWEST WINDS 12 TO 14 MPH.
MIXING HEIGHT.......8600 FT AGL DECREASING TO LESS THAN 100 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 12 TO 14 MPH.
SMOKE DISPERSAL.....FAIR TO EXCELLENT (16200-65100 KNOT-FT)
DECREASING TO POOR TO POOR (0-9500 KNOT-FT) IN
THE LATE EVENING AND OVERNIGHT.
TIME (CDT) 7 PM 10 PM 1 AM 4 AM
SKY (%).........MCLEAR MCLEAR MCLEAR MCLEAR
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TEMP............87 73 67 63
RH..............21 34 42 52
20 FT WIND......S 14G20 S 14G20 S 14G20 SW 13G20
MIX HGT (FT)....8600 100 100 100
MIX HGT (M).....2620 30 30 30
TRANSPORT WIND..SW 16 S 9 SW 13 SW 13
TRAN WIND (M/S).SW 7 S 4 SW 6 SW 6
VRATE KTFT/1000.65 16 3 0
.TUESDAY...
SKY/WEATHER.........SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....MAX 88.
MIN HUMIDITY........MIN 28 PERCENT.
20-FOOT WINDS.......SOUTH WINDS 12 TO 20 MPH. GUSTS UP TO 30 MPH.
MIXING HEIGHT.......100-1800 FT AGL INCREASING TO 8200-10100 FT
AGL.
TRANSPORT WINDS.....SOUTH 12 TO 20 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (0-42400 KNOT-FT) INCREASING TO
EXCELLENT TO EXCELLENT (80400-120600 KNOT-FT)
LATE IN THE MORNING...THEN INCREASING TO
EXCELLENT TO EXCELLENT (158000-204200 KNOT-FT)
IN THE AFTERNOON DECREASING TO EXCELLENT
(140800 KNOT-FT) LATE IN THE AFTERNOON.
$$
FORECASTER...BROWN
REQUESTED BY...AARON ROPER
TYPE OF REQUEST...PRESCRIBED
.TAG 20130513.WMWRP.01/OUN