000 
FNUS73 KFSD 141324 CCA
FWSFSD

SPOT FORECAST FOR SIOUX FORKS BURN...USFWS...CORRECTION TO MIXING HEIGHTS
NATIONAL WEATHER SERVICE SIOUX FALLS SD
813 AM CDT THU APR 14 2005

IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER 
SERVICE

DISCUSSION...HIGH PRESSURE MOVING EAST ACROSS THE GREAT LAKES REGION 
WILL PRODUCE GUSTY SOUTHEAST TO SOUTH WINDS BY AFTERNOON ACROSS THE 
REGION. THIS HIGH WILL ALSO PRODUCE SUNNY SKIES...ABOVE NORMAL 
TEMPERATURES AND AFTERNOON HUMIDITIES IN THE 30 TO 35 PERCENT RANGE. 
A COLD FRONT WILL MOVE INTO THE REGION ON FRIDAY AND WILL STALL 
ACROSS NORTHWEST IOWA AND SOUTHWEST MINNESOTA FRIDAY NIGHT AND 
SATURDAY. THIS FRONT WILL BRING A CHANCE OF SHOWERS AND 
THUNDERSTORMS TO THE AREA...MAINLY FRIDAY AFTERNOON INTO SATURDAY. 

FOR PLANNED IGNITION TIME OF 1100 AM CDT 04/14/05


FORECAST FOR THURSDAY
TIME(CDT)             11AM         2PM         5PM          8PM 

SKY/WX............... CLR         CLR          CLR          CLR
TEMP (F)............. 52          63           66           61
DEW PT (F)........... 30          31           33           35
RH (%)............... 45          30           29           38
20 FT WIND (MPH)..... SE-11       SE-14        SE-16G21     SE-14G23 
MIXING HGT (FT, AGL). 1773        2800         3100         2900 
TRANSPORT WIND (MPH). S-18        SE-20        S-23         S-25 
DISPERSION INDEX..... FAIR        GOOD        EXCELLENT    EXCELLENT 
HAINES INDEX......... 4 (LOW)     5 (MOD)      5 (MOD)      6 (HIGH)



OUTLOOK FOR THURSDAY NIGHT
TIME(CDT)             11PM         2AM         5AM          8AM 



SKY/WX............... MOCLR       PTCLDY       PTCLDY       PTCLDY
TEMP (F)............. 53          48           45           46
DEW PT (F)........... 36          37           39           41
RH (%)............... 53          66           80           84
20 FT WIND (MPH)..... S-12        S-11         S-10         S-9
HAINES INDEX......... 5 (MOD)     5 (MOD)      5 (MOD)      3 (VLO)


OUTLOOK FOR FRIDAY AFTERNOON 
TIME(CDT)             11AM         2PM         5PM          8PM 


SKY.................. PTCLDY      PTCLDY       MOCLDY       MOCLDY
WX................... NO WX       SHRA/ TS     SHRA/ TS     SHRA/ TS
CHANCE OF PRECIP (%).             30           30           40
TEMP (F)............. 56          63           65           60
DEW PT (F)........... 44          47           48           48
RH (%)............... 65          56           54           64
20 FT WIND (MPH)..... SW-8        SW-6         NW-5         NW-4
MIXING HGT (FT, AGL). 2008        4468         5793         3696
TRANSPORT WIND (MPH). SW-11       SW-5         W-4          W-3
DISPERSION INDEX..... FAIR        FAIR         FAIR         FAIR
HAINES INDEX......... 3 (VLO)     4 (LOW)      4 (LOW)      4 (LOW)


$$

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