Suppression Forecast
Issued by NWS Salt Lake City, UT

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000
FNUS75 KSLC 292242
FWSSLC

SPOT FORECAST FOR U S  MAGNESIUM SITE VISIT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
442 PM MDT MON AUG 29 2016

.DISCUSSION...UPPER LEVEL RIDGE OVER THE EASTERN GREAT BASIN WITH
AN UPPER LEVEL TROUGH JUST OFF OF THE WEST COAST. DRY AIRMASS
REMAINS IN PLACE ACROSS NORTHERN UTAH. AS UPPER LEVEL TROUGH MOVES
INTO THE WESTERN GREAT BASIN SOUTHWEST FLOW ALOFT INCREASES OVER
UTAH WHICH LEAD TO AN INCREASE IN SURFACE WINDS BY MID WEEK. ON
TUESDAY ANTICIPATE THAT WINDS WILL SHIFT TO THE NORTHEAST AROUND
MIDDAY BEFORE SWITCHING BACK TO THE WEST-SOUTHWEST OVERNIGHT.
SOUTH WINDS WILL INCREASE A BIT ON WEDNESDAY AS FLOW ALOFT
RAMPS UP. THE SWITCH TO NORTHEAST WINDS WILL BE DELAYED UNTIL
LATE AFTERNOON ON WEDNESDAY...IF IT OCCURS AT ALL. WITH A DRY
AIRMASS IN PLACE EXPECT LITTLE THREAT OF PRECIPITATION AT THE SITE
THROUGH WEDNESDAY MORNING. THERE WILL BE A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE WEDNESDAY AFTERNOON THROUGH
WEDNESDAY EVENING. STRONG GUSTY AND ERRATIC WINDS CAN BE EXPECTED
IN THE VICINITY OF ANY SHOWERS AND STORMS.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....63-68.
  MAX HUMIDITY........33-38 PERCENT.
  WINDS - 20-FOOT.....NORTHEAST WINDS 5 TO 10 MPH WITH GUSTS TO
                      15 MPH THIS EVENING BECOMING WEST-SOUTHWEST
                      3 TO 8 MPH AFTER 2100.

.TUESDAY...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......270.
  SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT CLOUD COVER)
                      UNTIL NOON...THEN PARTLY CLOUDY (25-35
                      PERCENT CLOUD COVER).
  MAX TEMPERATURE.....91-95.
  MIN HUMIDITY........9-14 PERCENT.
  WINDS - 20-FOOT.....WEST-SOUTHWEST WINDS 5 TO 10 SHIFTING TO THE
                      NORTHEAST 5 TO 10 MPH WITH GUSTST TO 15 MPH
                      IN THE AFTERNOON.

.OUTLOOK FOR WEDNESDAY...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......900.
  SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT CLOUD COVER).
                      SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
                      LATE IN THE DAY.
  MAX TEMPERATURE.....92-96.
  MIN HUMIDITY........10-15 PERCENT.
  WINDS - 20-FOOT.....SOUTH WINDS 5 TO 15 MPH WITH GUSTS TO 20 MPH
                      SWITCHING TO THE NORTHEAST LATE IN THE DAY.


FORECASTER...GRAHAM
REQUESTED BY...ALAN JONES
REASON FOR REQUEST...HAZMAT
.TAG 20160829.USMAG.01/SLC

$$



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