809
FNUS73 KUNR 231952
FWSUNR
SPOT FORECAST FOR ANGOSTURA RX...SOUTH DAKOTA STATE
NATIONAL WEATHER SERVICE RAPID CITY SD
152 PM MDT TUE APR 23 2019
FORECAST IS BASED ON IGNITION TIME OF 1400 MDT ON APRIL 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A WEAK WIND SHIFT WILL MOVE THROUGH THE SOUTHERN
BLACK WEDNESDAY AFTERNOON. WINDS WILL BE WESTERLY IN THE MORNING,
THEN BECOMING NORTHEAST IN THE AFTERNOON. A FEW SHOWERS AND ISOLATED
THUNDERSTORMS ARE POSSIBLE LATE WEDNESDAY AFTERNOON, WITH A BETTER
CHANCE OF SHOWERS WEDNESDAY NIGHT.
REST OF TODAY
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........30-35 PERCENT.
WIND (20 FT)........SOUTHWEST AROUND 10 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
FIRE GROWTH.
MIXING HEIGHT.......5300 TO 5800 FT AGL.
TRANSPORT WINDS.....WEST AROUND 15 MPH.
SMOKE DISPERSAL.....GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....AROUND 45.
MAX HUMIDITY........70-75 PERCENT.
WIND (20 FT)........WEST 5 TO 10 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
FIRE GROWTH.
MIXING HEIGHT.......100 TO 600 FT AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........INCREASING CLOUDS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON...MAINLY AFTER 3PM.
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........AROUND 35 PERCENT.
WIND (20 FT)........WEST 5 TO 10 MPH IN THE MORNING SHIFTING TO THE NORTHEAST IN
THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS IN THE AFTERNOON.
CWR.................10 PERCENT.
LAL.................1 UNTIL 1200, THEN 2.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
FIRE GROWTH.
MIXING HEIGHT.......7100 TO 7600 FT AGL.
TRANSPORT WINDS.....WEST 10 TO 15 MPH.
SMOKE DISPERSAL.....GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........CLOUDY. SHOWERS LIKELY.
MIN TEMPERATURE.....AROUND 43.
MIN HUMIDITY........AROUND 90 PERCENT.
WIND (20 FT)........NORTHEAST AROUND 5 MPH.
CWR.................50 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 10 MPH.
SMOKE DISPERSAL.....POOR.
FORECASTER...CARSTENS
REQUESTED BY...MROTHLEUTNER
TYPE OF REQUEST...PRESCRIBED
.TAG 1906982.0/UNR
.DELDT 04/23/19
.FORMATTERVERSION 1.0.26
.EMAIL SDGPC@FIRENET.GOV
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