FNUS73 KABR 171257 AAA
FWSABR

SPOT FORECAST FOR SEVERSON...UPDATED
NATIONAL WEATHER SERVICE ABERDEEN SD
757 AM CDT TUE MAY 17 2011

FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MAY 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE WILL DOMINATE EASTERN SD THIS MORNING.
HOWEVER AN ENCROACHING LOW PRESSURE SYSTEM MOVING INTO WESTERN SD
TODAY WILL CAUSE HIGH CLOUDS TO STREAM OVER THE REGION. EXPECT MIN
RH TO FALL TO AROUND 30 PERCENT THIS AFTERNOON. SOUTHEAST WINDS
WILL INCREASE TO AROUND 15 MPH BY LATE THIS MORNING.

.TODAY...
SKY/WEATHER.........SUNNY (20-30 PERCENT CLOUD).
MAX TEMPERATURE.....64-69.
MIN HUMIDITY........29-34 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 6 TO 16 MPH.
HAINES INDEX........3 OR VERY LOW.
MIXING HEIGHT.......800 FT AGL UNTIL 1300...THEN 4700-5400 FT AGL.
TRANSPORT WINDS.....NORTH 18 TO 23 MPH.
SMOKE DISPERSAL.....AROUND 13100 UNTIL 1300...THEN AROUND 92500.
CWR.................ZERO.
LAL.................1.

TIME (CDT)      11 AM  1 PM   3 PM   5 PM
SKY (%).........26     30     26     21
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE
TEMP............56     61     64     64
RH..............45     41     34     31
20 FT WIND......SE 14  SE 14  SE 14  SE 14
20 FT WIND GUST.20     20     20     20

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT CLOUD).
MIN TEMPERATURE.....40-45.
MAX HUMIDITY........68-73 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 15 MPH.
HAINES INDEX........4 OR LOW.
MIXING HEIGHT.......3700 FT AGL UNTIL 2200...THEN 300 FT AGL.
TRANSPORT WINDS.....NORTH 23 TO 28 MPH UNTIL 0100...THEN 16 TO 21
                    MPH.
SMOKE DISPERSAL.....4100-5500.
CWR.................ZERO.
LAL.................1.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
SKY (%).........18     16     15     13     16     19
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............63     57     52     49     47     45
RH..............32     45     58     68     73     72
20 FT WIND......SE 14  SE 11  SE 9   SE 7   SE 7   SE 8
20 FT WIND GUST.20     20     15     10     10     10

$$
FORECASTER...WISE
REQUESTED BY...6052562974L
TYPE OF REQUEST...PRESCRIBED
.TAG 20110517.SEVER.01/ABR