FNUS73 KUNR 042122
FWSUNR

SPOT FORECAST FOR LEAD FIREWORKS...LEAD VOLUNTEER FIRE DEPARTMENT
NATIONAL WEATHER SERVICE RAPID CITY SD
322 PM MDT MON JUL 4 2011

FORECAST IS BASED ON IGNITION TIME OF 2130 MDT ON JULY 04.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...SHOWERS AND THUNDERSTORMS WILL BE ON THE INCREASE
THIS EVENING AS A WEAK WEATHER DISTURBANCE MOVES ACROSS WYOMING
INTO WESTERN SOUTH DAKOTA. ALTHOUGH SHOWERS AND THUNDERSTORMS ARE
LIKELY ACROSS THE AREA...STORMS SHOULD BE HIT AND MISS WITH BREAKS
FROM TIME TO TIME. CLOUD BASES SHOULD REMAIN A FEW THOUSAND FEET
ABOVE THE GROUND THROUGH THE EVENING. 20 FOOT WINDS SHOULD BE OUT
OF THE NORTH TO NORTHEAST AT 5 TO 10 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. NUMEROUS SHOWERS AND
                    THUNDERSTORMS IN THE EVENING...THEN SCATTERED
                    SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
MIN TEMPERATURE.....65 BY 10PM...LOW AROUND 58.
MAX HUMIDITY........60 PERCENT BY 10PM...MIN AROUND 93 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 10 MPH.
CWR.................40 PERCENT.
LAL.................4.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......700-1500 FT AGL BY 10PM...200 TO 700 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....WEST AROUND 10 MPH.
SMOKE DISPERSAL.....FAIR...DECREASING TO POOR AFTER MIDNIGHT.

$$
FORECASTER...SR
REQUESTED BY...TIM EGGERS
TYPE OF REQUEST...PRESCRIBED
.TAG 20110704.LEADF.01/UNR