FNUS75 KSLC 071256
FWSSLC

SPOT FORECAST FOR STUMP SPRINGS
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
656 AM MDT THU MAY 7 2009

.DISCUSSION...THE WESTERLY JET STREAM HAS SAGGED SOUTHWARD
OVERNIGHT ACROSS SOUTHERN IDAHO IN RESPONSE TO A DISTURBANCE
MOVING ACROSS THE NORTHERN ROCKIES. THE ASSOCIATED COLD FRONT WILL
GRADUALLY MOVE SOUTHWARD ACROSS UTAH AND MOVE ACROSS STUMP SPRINGS
AROUND 2100 THIS EVENING. THIS IS A DRY COLD FRONT. WEST TRANSPORT
WINDS ALOFT WILL INCREASE TO 20 TO 25 KTS BY 1800 AND REMAIN
MODERATE THROUGH EARLY THIS EVENING...BEFORE SHIFTING TO THE
NORTHWEST AND THEN DECREASING AFTER MIDNIGHT. THESE WINDS ALOFT
WILL MIX TO THE SURFACE AND CAUSE GUSTY WINDS THIS AFTERNOON.
EXCELLENT MIXING WILL OCCUR.

.TODAY...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....75-77.
  MIN HUMIDITY........12-14 PERCENT.
  WINDS - 20-FOOT.....BREEZY. NORTHWEST WINDS 5 TO 10 MPH
                      INCREASING AND SHIFTING TO THE WEST AT 10
                      TO 15 MPH WITH GUSTS TO 30 MPH.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT CLOUD COVER).
  MIN TEMPERATURE.....37-39.
  MAX HUMIDITY........47-49 PERCENT.
  WINDS - 20-FOOT.....WEST WINDS 15 MPH BECOMING NORTHWEST 10 MPH
                      IN THE LATE EVENING AND OVERNIGHT.

.OUTLOOK FOR FRIDAY...
  LAL.................1.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........SUNNY (0-10 PERCENT CLOUD COVER).
  MAX TEMPERATURE.....70-72.
  MIN HUMIDITY........13-15 PERCENT.
  WINDS - 20-FOOT.....WEST WINDS 10 MPH SHIFTING TO THE NORTH LATE
                      IN THE MORNING...THEN SHIFTING TO THE WEST
                      EARLY IN THE AFTERNOON INCREASING TO 15 MPH
                      LATE IN THE AFTERNOON.



FORECASTER...STRUTHWOLF
REQUESTED BY...GREGG CHRISTENSEN
REASON FOR REQUEST...PRESCRIBED
.TAG 20090507.STUMP.01/SLC

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