Suppression Forecast
Issued by NWS Louisville, KY

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FNUS73 KLMK 211546
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SPOT FORECAST FOR I-75 CHEMICAL SPILL...NWS
NATIONAL WEATHER SERVICE LOUISVILLE KY
1146 AM EDT TUE OCT 21 2014

FORECAST IS BASED ON INCIDENT TIME OF 1131 EDT ON OCTOBER 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...NORTHWEST FLOW WILL DOMINATE TODAY WITH AN UPPER LOW
EXITING THE REGION. SURFACE WINDS OF 5 TO 10 MPH FROM THE
NORTHWEST TO THE SOUTHEAST WILL PREVAIL FOR MUCH OF THE DAY. THERE
IS A SLIGHT CHANCE FOR A SPRINKLE EARLY THIS AFTERNOON. RELATIVE
HUMIDITY VALUES SHOULD RANGE FROM 50 TO 70 PERCENT WITH AIR
TEMPERATURES RANGING THROUGHOUT THE MID TO UPPER 50S THIS
AFTERNOON.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY. ISOLATED SPRINKLES IN THE
                    AFTERNOON.
MAX TEMPERATURE.....55 AT INCIDENT...MAX 58.
MIN HUMIDITY........72 PERCENT AT INCIDENT...MIN 55 PERCENT.
20-FOOT WINDS.......WINDS NORTHWEST AT 8 MPH AT
                    INCIDENT...OTHERWISE LIGHT WINDS BECOMING
                    NORTHWEST 6 TO 8 MPH.
MIXING HEIGHT.......300-1400 FT AGL INCREASING TO 3500-4900 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH INCREASING TO NORTH 15 TO 20
                    MPH.
SMOKE DISPERSAL.....POOR TO GOOD (1400-31900 KNOT-FT) INCREASING TO
                    EXCELLENT /67500 KNOT-FT/ AT INCIDENT.
                    MAX...EXCELLENT /78600 KNOT-FT/.

TIME (EDT)      11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM
SKY (%).........65  71  76  79  77  74  71  68  65
WEATHER COV.....            ISO ISO ISO
WEATHER TYPE....            RW  RW  RW
TEMP............55  55  56  56  57  58  57  55  53
RH..............72  72  66  64  59  55  57  59  64
20 FT WIND DIR..NW  NW  NW  NW  NW  NW  NW  NW  N
20 FT WIND SPD..6   7   7   8   8   7   7   6   5
20 FT WIND GUST.10  15  15  15  15  15  15  10  10
MIX HGT (KFT)...3.5 4.0 4.4 4.9 4.9 4.9 4.9 4.2 3.5
TRANSP WIND DIR.NW  NW  NW  NW  NW  NW  NW  N   N
TRANSP WIND SPD.18  20  20  18  18  17  17  17  17

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
MIN TEMPERATURE.....MIN 41.
MAX HUMIDITY........MAX 83 PERCENT.
20-FOOT WINDS.......NORTH WINDS 5 TO 6 MPH IN THE EVENING BECOMING
                    LIGHT.

TIME (EDT)      8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM 7AM
SKY (%).........63  58  47  41  38  32  29  29  29  29  28  28
WEATHER COV.....
WEATHER TYPE....
TEMP............51  49  48  47  47  46  45  45  44  43  43  43
RH..............66  71  74  76  74  76  79  79  79  82  79  79
20 FT WIND DIR..N   N   N   N   N   N   N   N   N   N   N   N
20 FT WIND SPD..5   5   5   4   4   4   4   4   4   4   4   4
20 FT WIND GUST.10  10  10  5   5   5   5   5   5   5   5   5
MIX HGT (KFT)...2.8 2.0 1.2 0.4 0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.3
TRANSP WIND DIR.N   N   N   N   N   N   N   N   N   N   N   N
TRANSP WIND SPD.16  14  12  9   8   8   8   7   7   6   6   5

$$
FORECASTER...A.SCHOETTMER
REQUESTED BY...ANDREA SCHOETTMER
TYPE OF REQUEST...HAZMAT
.TAG 20141021.I75CH.01/LMK






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