Suppression Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2
000
FNUS71 KPBZ 181334
FWSPBZ

SPOT FORECAST FOR FERNOW RX BURN...USFS
NATIONAL WEATHER SERVICE PITTSBURGH PA
934 AM EDT FRI APR 18 2014

FORECAST IS BASED ON IGNITION TIME OF 1100 EDT ON APRIL 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

A WEAK COLD FRONT WILL BRING A FEW CLOUDS TODAY...THEN HIGH
PRESSURE WILL BUILD IN FOR THE WEEKEND. SOUTHWEST WIND WILL SHIFT TO
NORTHWEST WITH THE FRONTAL PASSAGE AROUND 8PM THIS EVENING.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT)...THEN BECOMING
                    MOSTLY CLOUDY (70-80 PERCENT).
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........28 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING WEST AROUND
                    5 MPH IN THE AFTERNOON.
CHANCE OF PCPN......10 PERCENT.
LAL.................1.
HAINES INDEX........4 TO 5 OR OR LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL
                    FOR LARGE PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......0-1400 FT AGL...INCREASING TO 4900-6100 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 6 TO 8 MPH...BECOMING WEST 7 TO 10
                    MPH IN THE LATE MORNING AND AFTERNOON.

TIME (EDT)          11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P
SKY (%).............55  61  66  72  74  75  76  74  72  70  64  57
WEATHER COV.........
WEATHER TYPE........
TSTM COV............
TEMP................53  57  59  61  62  62  62  60  58  55  52  50
RH..................38  34  31  30  29  29  29  32  36  42  48  55
20 FT WIND DIR......SW  SW  W   W   W   W   W   W   NW  NW  NW  NW
20 FT WIND SPD......3   4   4   4   4   4   4   3   2   2   2   2
20 FT WIND GUST.....5   5   10  10  10  10  5   5   5   5   5   5
MIX HGT (KFT).......4.1 4.7 4.9 5.1 5.6 6.0 6.1 5.7 5.0 4.0 2.7 1.4
TRANSP WIND DIR.....SW  SW  SW  SW  W   W   W   W   W   W   W   W
TRANSP WIND SPD.....7   7   7   8   8   9   10  10  10  9   8   6
CHC OF PCPN (%).....0   0   0   0   10  10  10  10  10  10  10  10
LAL.................1   1   1   1   1   1   1   1   1   1   1   1
HAINES INDEX........5   5   5   5   5   5   5   5   5   4   4   4

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT)...THEN BECOMING
                    PARTLY CLOUDY (30-40 PERCENT).
MIN TEMPERATURE.....AROUND 41.
MAX HUMIDITY........81 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE WINDS.
CHANCE OF PCPN......10 PERCENT.
LAL.................1.
HAINES INDEX........3 TO 5 OR OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL
                    FOR LARGE PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4000-5700 FT AGL...DECREASING TO 100-400 FT
                    AGL.
TRANSPORT WINDS.....WEST 1 TO 10 MPH...BECOMING NORTHWEST AROUND 1
                    MPH LATE.

.SATURDAY...

SKY/WEATHER.........SUNNY (20-30 PERCENT).
MAX TEMPERATURE.....AROUND 59.
MIN HUMIDITY........34 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING NORTHEAST 5
                    TO 7 MPH LATE IN THE MORNING.
CHANCE OF PCPN......0 PERCENT.
LAL.................1.
HAINES INDEX........3 TO 5 OR OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL
                    FOR LARGE PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......400-2300 FT AGL...INCREASING TO 5700-6100 FT
                    AGL.
TRANSPORT WINDS.....NORTHEAST 3 TO 10 MPH.

$$
FORECASTER...ASMITH
REQUESTED BY...CAMERON CRISP
TYPE OF REQUEST...PRESCRIBED
.TAG 20140418.FERNO.01/PBZ







USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.