Suppression Forecast
Issued by NWS Rapid City, SD

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11
000
FNUS73 KUNR 202000
FWSUNR

SPOT FORECAST FOR MAHONEY RX...SD BKF
NATIONAL WEATHER SERVICE RAPID CITY SD
200 PM MDT SAT SEP 20 2014

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON SEPTEMBER 21.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...HIGH PRESSURE WILL CONTINUE BUILDING ACROSS THE
REGION KEEPING MOSTLY CLEAR SKIES ACROSS THE AREA THROUGH SUNDAY.
WINDS WILL BECOME LIGHT AND VARIABLE THIS EVENING...AND CONTINUE
THROUGH MUCH OF SUNDAY MORNING. A LIGHT SOUTHEAST WIND MAY DEVELOP
DURING THE AFTERNOON. TRANSPORT WINDS WILL ALSO BE LIGHT AND
MIXING HEIGHTS WILL BE LIMITED TO AROUND 3000 FT. AS A
RESULT...SMOKE DISPERSAL WILL BE POOR SUNDAY.

.REST OF TODAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........MAX 78.
RH..................MIN 24 PERCENT.
WIND (20 FT)........NORTH WINDS 6 TO 10 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4500 TO 5000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 26 TO 33 MPH DECREASING TO 18 TO 23
                    MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....VERY GOOD DECREASING TO FAIR LATE IN THE
                    AFTERNOON.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
TEMPERATURE.........MIN 45.
RH..................MAX 62 PERCENT.
WIND (20 FT)........NORTH WINDS 3 TO 6 MPH IN THE EVENING BECOMING
                    LIGHT AND VARIABLE.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......100 TO 600 FT AGL.
TRANSPORT WINDS.....NORTH 6 TO 15 MPH SHIFTING TO THE NORTHWEST
                    AROUND 5 MPH EARLY IN THE MORNING.
SMOKE DISPERSAL.....POOR.

.SUNDAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........58 AT IGNITION...MAX 70.
RH..................45 PERCENT AT IGNITION...MIN 32 PERCENT.
WIND (20 FT)........WINDS LIGHT AND VARIABLE...POSSIBLY TERRAIN
                    DRIVEN AT IGNITION...OTHERWISE LIGHT AND
                    VARIABLE WINDS BECOMING SOUTHEAST 4 TO 8 MPH
                    IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2500 TO 3300 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR.

$$
FORECASTER...CALDERON
REQUESTED BY...JAKE DIEDTRICH
TYPE OF REQUEST...PRESCRIBED
.TAG 20140921.MAHON.01/UNR





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