FNUS73 KLOT 291246 FWSLOT SPOT FORECAST FOR WEST BEACH UNITS 2 7 8 9 10...NPS NATIONAL WEATHER SERVICE CHICAGO IL 746 AM CDT THU APR 29 2010 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 29. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM CDT THIS EVENING... .DISCUSSION... MAIN PROBLEM TODAY WILL BE INCREASING SOUTH SOUTHEAST (160 DEGREE) WINDS GUSTING TO 30 KT BY AFTERNOON. LOW PRESSURE APPROACHING FROM THE PLAINS STATES WILL DRAW WARMER AIR NORTHWARD ACROSS THE WESTERN GREAT LAKES TODAY THROUGH FRIDAY. A COLD FRONT ASSOCIATED WITH THIS LOW IS FORECAST TO PASS ACROSS NORTHWEST INDIANA LATE FRIDAY NIGHT. THERE IS A CHANCE OF THUNDERSTORMS FRIDAY NIGHT...PRECEDING THIS FRONT. .TODAY... SKY/WEATHER.........PARTLY CLOUDY. TEMPERATURE.........61 AT IGNITION...MAX 76. MIN HUMIDITY........50 PERCENT AT IGNITION...MIN 37 PERCENT. WIND (20 FT)........WINDS SOUTH AT 19 MPH AT IGNITION...OTHERWISE SOUTH WINDS 13 TO 22 MPH WITH GUSTS TO AROUND 35 MPH. LAL.................NO TSTMS. MIXING HEIGHT.......800 FT AGL INCREASING TO 3700-3900 FT AGL. TRANSPORT WINDS.....SOUTH 26 TO 35 MPH INCREASING TO 37 TO 43 MPH IN THE LATE MORNING AND AFTERNOON. SMOKE DISPERSAL.....GOOD /72700 KNOT-FT/ AT IGNITION. MAX...VERY GOOD /145100 KNOT-FT/. TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........47 47 47 47 47 47 47 46 46 WEATHER COV..... WEATHER TYPE.... TEMP............59 63 67 70 73 76 76 75 72 RH..............52 49 46 44 41 38 37 39 40 20 FT WIND DIR..170 170 160 160 160 160 160 170 170 20 FT WIND SPD..15 17 17 17 18 18 18 17 17 20 FT WIND GUST.35 35 35 35 35 35 35 35 35 MIX HGT (KFT)...2.4 2.8 3.2 3.5 3.7 3.8 3.9 3.9 3.8 TRANSP WIND DIR.170 170 170 170 170 180 180 180 190 TRANSP WIND SPD.35 37 39 41 43 43 43 43 43 LAL.............1 1 1 1 1 1 1 1 1 VRATE KT-FT/100073 92 111 125 136 143 145 144 141 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY. MIN TEMPERATURE.....57. MAX HUMIDITY........83 PERCENT. WIND (20 FT)........SOUTH WINDS 16 TO 20 MPH. CHANCE OF PCPN......10 PERCENT. LAL.................NO TSTMS. MIXING HEIGHT.......3800 FT AGL DECREASING TO 0-400 FT AGL. TRANSPORT WINDS.....SOUTH 33 TO 41 MPH DECREASING TO 28 TO 31 MPH LATE IN THE EVENING. SMOKE DISPERSAL.....POOR TO VERY GOOD (0-135200 KNOT-FT). TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM SKY (%).........45 45 44 43 43 42 42 44 46 48 50 52 WEATHER COV..... WEATHER TYPE.... TEMP............68 67 66 64 63 61 60 59 58 57 57 57 RH..............43 47 51 57 61 64 68 72 76 79 82 83 20 FT WIND DIR..170 180 180 180 180 190 190 190 190 190 180 180 20 FT WIND SPD..16 15 15 14 14 14 14 13 13 13 13 13 20 FT WIND GUST.30 30 30 30 30 25 25 25 25 25 25 25 MIX HGT (KFT)...3.8 3.2 2.7 2.1 1.5 1.0 0.4 0.2 0.1 0.1 0.1 0.1 TRANSP WIND DIR.190 190 190 190 190 190 190 190 190 190 180 180 TRANSP WIND SPD.41 39 38 36 33 31 30 29 28 28 28 29 CWR.............10 10 10 10 10 10 10 10 10 10 10 10 LAL.............1 1 1 1 1 1 1 1 1 1 1 1 VRATE KT-FT/1000135 111 87 65 45 27 11 2 0 0 0 0 .FRIDAY... SKY/WEATHER.........PARTLY CLOUDY. MAX TEMPERATURE.....76. MIN HUMIDITY........49 PERCENT. WIND (20 FT)........SOUTH WINDS 16 TO 19 MPH WITH GUSTS TO AROUND 35 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. CHANCE OF PCPN......20 PERCENT. LAL.................NO TSTMS. MIXING HEIGHT.......300 FT AGL INCREASING TO 800 FT AGL EARLY IN THE MORNING...THEN INCREASING TO 1500 FT AGL IN THE MORNING INCREASING TO 2300 FT AGL LATE IN THE MORNING INCREASING TO 3100 FT AGL INCREASING TO 3700 FT AGL INCREASING TO 4000-4300 FT AGL DECREASING TO 3300-3700 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....SOUTH 29 TO 37 MPH INCREASING TO AROUND 39 MPH IN THE AFTERNOON. SMOKE DISPERSAL.....POOR TO VERY GOOD (6700-144400 KNOT-FT). TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM SKY (%).........47 47 47 47 47 47 47 50 52 55 57 60 WEATHER COV..... SCH SCH SCH SCH SCH SCH WEATHER TYPE.... TSM TSM TSM TSM TSM TSM TEMP............58 61 65 69 72 74 75 76 76 76 75 73 RH..............81 74 65 58 54 51 50 49 49 49 50 54 20 FT WIND DIR..180 190 190 190 200 200 200 200 200 200 200 200 20 FT WIND SPD..13 13 14 14 14 15 15 15 15 14 14 14 20 FT WIND GUST.25 30 30 30 30 35 35 35 35 30 30 30 MIX HGT (KFT)...0.3 0.8 1.5 2.3 3.1 3.7 4.2 4.3 4.2 4.0 3.7 3.3 TRANSP WIND DIR.180 180 190 190 190 200 200 200 200 190 190 190 TRANSP WIND SPD.29 31 32 35 36 37 39 39 39 39 39 39 CWR.............10 10 10 10 10 10 20 20 20 20 20 20 LAL.............1 1 1 1 1 1 1 1 1 1 1 1 VRATE KT-FT/10007 26 50 77 103 125 141 144 142 134 123 109 $$ FORECASTER...MERZLOCK REQUESTED BY...NEAL MULCONREY TYPE OF REQUEST...PRESCRIBED .TAG 20100429.WESTB.01/LOT