FNUS73 KDVN 071025
FWSDVN

SPOT FORECAST FOR TISKILWA TRAIN DERAILMENT...DHS
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
525 AM CDT FRI OCT 7 2011

FORECAST IS BASED ON INCIDENT TIME OF 0505 CDT ON OCTOBER 07.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
WINDS NEAR CALM DUE TO TERRAIN EFFECTS THROUGH SUNRISE. STARTING
AROUND SUNRISE WINDS BECOMING ROUGHLY 160 DEGREES AT 3-5 MPH. WINDS
REMAINING AROUND 160 DEGREES AND INCREASING TO 5 TO 10 MPH BETWEEN
7 AND 9 AM WITH A SLOW SHIFT TO 180 DEGREES. INVERSION TO BREAK BETWEEN
11 AM AND NOON WITH WINDS 180 TO 190 DEGREES AND JUMPING TO 10 TO
15 MPH.

.TODAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........MAX 85.
RH..................MIN 32 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 7 TO 15 MPH.
WIND SHIFT..........VARIABLE BECOMING SOUTH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......100-1100 FT AGL INCREASING TO 2300-3600 FT AGL
                    LATE IN THE MORNING...THEN INCREASING TO
                    3800-5700 FT AGL IN THE AFTERNOON DECREASING TO
                    1800 FT AGL LATE IN THE AFTERNOON.
MIXING WINDS........SOUTH 7 TO 14 MPH INCREASING TO 18 TO 26 MPH
                    LATE IN THE MORNING...THEN INCREASING TO 20 TO
                    28 MPH IN THE AFTERNOON DECREASING TO AROUND 14
                    MPH LATE IN THE AFTERNOON.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
SKY (%).........MCLEAR MCLEAR MCLEAR PCLDY  PCLDY  MCLEAR
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............57     64     74     80     83     82
RH..............80     63     44     36     33     33
EYE LEVEL WIND..170/7  180/8  180/8  180/10 180/14 170/14
EYE LEVEL GUST..       10     10     15     20     20

$$
FORECASTER...PIERCE
REQUESTED BY...AL MONGEON
TYPE OF REQUEST...HAZMAT
.TAG 20111007.TISKI.01/DVN