187  
FNUS73 KOAX 041358  
FWSOAX  
 
SPOT FORECAST FOR CARRIGAN SUMMER 22...IOWA DNR  
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE  
817 AM CDT THU AUG 4 2022  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON AUGUST 04.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
WINDS WILL BE EAST OR SOUTHEAST AT 5 TO 7 MPH TODAY. THE WEAK  
WINDS WILL RESULT IN POOR TO FAIR SMOKE DISPERSAL WITH MAXIMUM  
MIXING HEIGHTS OF 3500 TO 3600 FEET. UNDER MOSTLY SUNNY SKIES,  
TEMPERATURES WILL WARM TO AROUND 90 WITH RELATIVE HUMIDITY VALUES  
FALLING TO 40 PERCENT THIS AFTERNOON.  
 
   
TODAY
 
 
SKY/WEATHER.........SUNNY (0-5 PERCENT).  
MAX TEMPERATURE.....AROUND 89.  
MIN HUMIDITY........40 PERCENT.  
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHEAST AROUND 4 MPH IN  
THE AFTERNOON.  
20 FOOT WIND........EAST WINDS 5 TO 6 MPH LATE IN THE MORNING  
BECOMING LIGHT, THEN BECOMING SOUTHEAST 5 TO 6  
MPH IN THE AFTERNOON.  
30 FOOT WINDS (MPH).LIGHT WINDS BECOMING SOUTHEAST 6 TO 8 MPH IN  
THE AFTERNOON.  
MIXING HEIGHT.......3600 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 5 TO 8 MPH.  
SMOKE DISPERSAL.....POOR (8800 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO FAIR (25600 KNOT-FT) IN THE  
AFTERNOON.  
GFDI................LOW.  
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
TIME (CDT) 9 AM 11 AM 1 PM 3 PM 5 PM  
SKY (%).........1 2 3 2 2  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............71 78 83 87 89  
RH..............70 59 46 40 40  
EYE LEVEL WIND..E 3 E 3 E 4 E 4 SE 4  
EYE LVL WND GST.  
20 FT WIND......E 4 E 4 E 5 E 5 SE 6  
20 FT WIND GUST.  
30 FT WIND......E 5 E 5 E 6 E 6 SE 8  
30 FT WIND GUST.  
MIX HGT (FT)....1200 2000 2800 3400 3600  
TRANSPORT WIND..E 7 SE 8 E 6 E 7 E 8  
GFDI............0 0 0 0 0  
HAINES INDEX....6 6 6 6 6  
SDSPL KT-FT/1K..9 12 14 23 25  
   
TONIGHT
 
 
SKY/WEATHER.........CLEAR (0-10 PERCENT).  
MIN TEMPERATURE.....AROUND 65.  
MAX HUMIDITY........87 PERCENT.  
EYE LEVEL WINDS.....SOUTHEAST WINDS AROUND 4 MPH.  
20 FOOT WIND........SOUTHEAST WINDS 5 TO 8 MPH.  
30 FOOT WINDS (MPH).SOUTHEAST WINDS 6 TO 8 MPH.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 5 TO 9 MPH.  
SMOKE DISPERSAL.....FAIR (21800 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (1200 KNOT-FT) LATE IN THE  
NIGHT.  
GFDI................LOW.  
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........2 3 5 6 7 7  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............88 83 75 71 69 67  
RH..............41 51 72 73 75 83  
EYE LEVEL WIND..SE 4 SE 4 SE 4 SE 4 SE 4 SE 4  
EYE LVL WND GST. 5 5  
20 FT WIND......SE 6 SE 6 SE 6 SE 6 SE 6 SE 6  
20 FT WIND GUST.  
30 FT WIND......SE 8 SE 8 SE 8 SE 8 SE 8 SE 8  
30 FT WIND GUST.  
MIX HGT (FT)....3200 700 400 400 400 400  
TRANSPORT WIND..SE 9 SE 9 E 9 SE 9 SE 8 SE 7  
GFDI............0 0 0 0 0 0  
HAINES INDEX....6 6 6 6 6 6  
SDSPL KT-FT/1K..22 12 3 3 3 3  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
MAX TEMPERATURE.....AROUND 93.  
MIN HUMIDITY........38 PERCENT.  
EYE LEVEL WINDS.....SOUTH WINDS UP TO 8 MPH.  
20 FOOT WIND........SOUTHEAST WINDS 5 TO 12 MPH.  
30 FOOT WINDS (MPH).SOUTH WINDS 6 TO 14 MPH.  
MIXING HEIGHT.......5100 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 5 TO 14 MPH INCREASING TO SOUTH 17 TO  
23 MPH IN THE LATE MORNING AND AFTERNOON.  
SMOKE DISPERSAL.....POOR (400 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (97800 KNOT-FT) IN THE  
AFTERNOON.  
GFDI................LOW.  
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........7 6 5 4 3 3  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............65 70 80 87 91 93  
RH..............84 81 68 52 42 38  
EYE LEVEL WIND..SE 4 SE 4 S 6 S 8 S 8 S 8  
EYE LVL WND GST. 5 10 12 12  
20 FT WIND......SE 6 SE 6 S 8 S 10 S 11 S 11  
20 FT WIND GUST. 13 16 16  
30 FT WIND......SE 8 SE 8 S 10 S 13 S 14 S 14  
30 FT WIND GUST. 16 20 20  
MIX HGT (FT)....400 500 1600 3100 4700 5100  
TRANSPORT WIND..SE 5 SE 9 S 17 S 20 S 21 S 22  
GFDI............0 0 0 1 1 1  
HAINES INDEX....6 6 6 6 6 6  
SDSPL KT-FT/1K..0 6 24 52 80 97  
 

 
FORECASTER...MEAD  
REQUESTED BY...JEFF SEAGO  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2216207.0/OAX  
.DELDT 08/04/22  
.FORMATTERVERSION 1.0.26  
.EMAIL JEFFREY.SEAGO@DNR.IOWA.GOV  
 
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