Suppression Forecast
Issued by NWS Grand Junction, CO

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12
000
FNUS75 KGJT 290400
FWSGJT

SPOT FORECAST FOR JOHNSON CREEK III...STATE OF UTAH
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1000 PM MDT TUE OCT 28 2014

FORECAST IS BASED ON IGNITION TIME OF 0900 MDT ON OCTOBER 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...AN INVERSION ALOFT WILL LIMIT MIXING HEIGHTS ON
WEDNESDAY. THIS RELATIVELY SHALLOW MIXING...ALONG WITH WITH LIGHT
TRANSPORT WINDS WILL KEEP THE CLEARING INDEX BELOW 500. IN SPITE OF
WARMING AT THE SURFACE...THE SURFACE LAYER WILL REMAIN CAPPED ON
THURSDAY...AGAIN LIMITING SMOKE DISPERSAL.

.WEDNESDAY...

SKY/WEATHER.........SUNNY (0-10%).
MAX TEMPERATURE.....58-63 F.
MIN HUMIDITY........15-20%.
20-FOOT WINDS.......NORTH 0-5 MPH UNTIL 0900...THEN BECOMING
                    SOUTHWEST AND INCREASING TO 4-8 MPH IN
                    THE AFTERNOON.
CLEARING INDEX......BELOW 100 UNTIL 1030...INCREASING TO
                    350 IN THE AFTERNOON.
MIXING HEIGHT.......INCREASING TO 4000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTH 5 MPH UNTIL AROUND 0900...THEN BECOMING
                    WEST AND INCREASING TO 10 MPH IN THE
                    AFTERNOON.

.WEDNESDAY NIGHT...

SKY/WEATHER.........CLEAR (0-10%).
MIN TEMPERATURE.....36-41 F.
MAX HUMIDITY........38-43%.
20-FOOT WINDS.......NORTH 3-6 MPH.
CLEARING INDEX......LESS THAN 100.
MIXING HEIGHT.......LESS THAN 1000 FT AGL.
TRANSPORT WINDS.....NORTH 6 MPH.

.THURSDAY...

SKY/WEATHER.........SUNNY (0-10%).
MAX TEMPERATURE.....60-65 F.
MIN HUMIDITY........17-22%.
20-FOOT WINDS.......NORTH 3-6 MPH UNTIL 1000...THEN BECOMING SOUTH
                    AND INCREASING 4-8 MPH IN THE AFTERNOON.
CLEARING INDEX......LESS THAN 100 UNTIL 1100...THEN INCREASING TO
                    A MAX OF 315 IN THE AFTERNOON.
MIXING HEIGHT.......4500 FT AGL.
TRANSPORT WINDS.....NORTH 6 MPH UNTIL 1000...THEN BECOMING
                    SOUTH 8 MPH IN THE AFTERNOON.

$$
FORECASTER...ELLEN HEFFERNAN
REQUESTED BY...HEBER HEYDER
TYPE OF REQUEST...PRESCRIBED
.TAG 20141029.JOHNS.01/GJT



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