FIRE WEATHER PLANNING FORECAST FOR UTAH NATIONAL WEATHER SERVICE SALT LAKE CITY UT

Red Flag Warning/Fire Weather Watch Information

FNUS55 KSLC 112149 FWFSLC FIRE WEATHER PLANNING FORECAST FOR UTAH NATIONAL WEATHER SERVICE SALT LAKE CITY UT 349 PM MDT SUN MAY 11 2008 ...RED FLAG WARNING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 439 BELOW 6500 FEET UNTIL 11 PM... ...RED FLAG WARNING FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 440 BELOW 6500 FEET UNTIL 4 PM MONDAY... .BROADCAST DISCUSSION...A RATHER STRONG COLD FRONT WILL MOVE INTO NORTHERN UTAH TONIGHT AND THEN ACROSS SOUTHERN UTAH BY MONDAY AFTERNOON. MUCH COOLER WITH SCATTERED SHOWERS AND THUNDERSTORMS MONDAY AREA WIDE. .DISCUSSION...THE WARM SOUTHWEST FLOW OVER THE AREA TODAY WILL BE REPLACED BY A MUCH COOLER AND MOIST NORTHWEST FLOW MONDAY. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL BE MOST PREVALENT OVER WESTERN VALLEYS AND ALL MOUNTAINS THROUGH MONDAY EVENING. SNOW LEVELS WILL LOWER TO NEAR 6000 FT IN NORTHERN PORTIONS. A DRY COOL NORTHERLY FLOW WILL REMAIN THROUGH TUESDAY AND ANOTHER WEAK SYSTEM EXPECTED TO MOVE ACROSS THE AREA WEDNESDAY. ***THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS*** ***ALL WINDS ARE 20 FOOT...10-MINUTE AVERAGES*** UTZ420>427-121230- FORECAST AREA 1...NORTHERN UTAH (NORTHERN UTAH IFC AREA)- ZONE 420 GREAT SALT LAKE DESERT AND MOUNTAINS...ZONE 421 CACHE VALLEY...ZONE 422 NORTHERN WASATCH FRONT...ZONE 423 SALT LAKE AND TOOELE VALLEYS...ZONE 424 SOUTHERN WASATCH FRONT...ZONE 425 WASATCH MOUNTAIN VALLEYS...ZONE 426 WASATCH MOUNTAINS NORTH OF I_80...ZONE 427 WASATCH MOUNTAINS SOUTH OF I_80 AND NORTHERN AND WESTERN SLOPES OF THE UINTA MOUNTAINS- 349 PM MDT SUN MAY 11 2008 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (60-70 PCT CLOUD COVER). IN THE VALLEYS...ISOLATED RAIN SHOWERS UNTIL 2400. ISOLATED THUNDERSTORMS. SCATTERED RAIN SHOWERS AFTER 2400. IN THE MOUNTAINS...RAIN SHOWERS AND ISOLATED THUNDERSTORMS. SNOW SHOWERS AFTER 2400. MIN TEMPERATURE.....NEAR 5000 FEET...39-46. NEAR 8000 FEET...27-36. MAX HUMIDITY........NEAR 5000 FEET...59-69 PERCENT. NEAR 8000 FEET...73-83 PERCENT. 20-FOOT WINDS.......SLOPE/VALLEY...SOUTHWEST AROUND 20 MPH SHIFTING TO THE NORTHWEST AFTER MIDNIGHT. RIDGETOPS......WEST 15-25 MPH SHIFTING TO THE NORTHWEST AFTER MIDNIGHT. LAL.................2. CWR.................10 PERCENT. HAINES INDEX........3 ..VERY LOW. .MONDAY... SKY/WEATHER.........IN THE VALLEYS...PARTLY CLOUDY (60-70 PCT CLOUD COVER)...NUMEROUS RAIN SHOWERS AND ISOLATED THUNDERSTORMS UNTIL 1200. SCATTERED SNOW SHOWERS. SCATTERED SHOWERS AND THUNDERSTORMS AFTER 1200. IN THE MOUNTAINS...MOSTLY CLOUDY (80-90 PCT CLOUD COVER)...NUMEROUS THUNDERSTORMS AND SNOW SHOWERS. MAX TEMPERATURE.....NEAR 5000 FEET...46-56. NEAR 8000 FEET...37-47. MIN HUMIDITY........NEAR 5000 FEET...32-42 PERCENT. NEAR 8000 FEET...55-65 PERCENT. 20-FOOT WINDS.......SLOPE/VALLEY...NORTHWEST 15-20 MPH. RIDGETOPS......WEST 20-30 MPH. LAL.................4 IN THE VALLEYS AND 5 IN THE MOUNTAINS. CWR.................40 PERCENT IN THE VALLEYS AND 60 PERCENT IN THE MOUNTAINS. HAINES INDEX........3 ..VERY LOW. .MONDAY NIGHT... SKY/WEATHER.........IN THE VALLEYS...PARTLY CLOUDY (40-50 PCT CLOUD COVER)...SCATTERED RAIN SHOWERS...THUNDERSTORMS AND SNOW SHOWERS UNTIL 2400...THEN ISOLATED RAIN AND SNOW SHOWERS. IN THE MOUNTAINS...PARTLY CLOUDY (65-75 PCT CLOUD COVER)...NUMEROUS THUNDERSTORMS UNTIL 2400. NUMEROUS SNOW SHOWERS. MIN TEMPERATURE.....NEAR 5000 FEET...31-39. NEAR 8000 FEET...20-27. MAX HUMIDITY........NEAR 5000 FEET...62-72 PERCENT. NEAR 8000 FEET...83-93 PERCENT. 20-FOOT WINDS.......SLOPE/VALLEY...NORTH 15-20 MPH. RIDGETOPS......NORTH 15-25 MPH. LAL.................4 IN THE VALLEYS AND 5 IN THE MOUNTAINS. CWR.................10 PERCENT IN THE VALLEYS AND 30 PERCENT IN THE MOUNTAINS. HAINES INDEX........3 ..VERY LOW. .TUESDAY... SKY/WEATHER.........IN THE VALLEYS...PARTLY CLOUDY (30-40 PCT CLOUD COVER) UNTIL 1200...THEN MOSTLY SUNNY (25-35 PCT CLOUD COVER). IN THE MOUNTAINS...PARTLY CLOUDY (45-55 PCT CLOUD COVER)...ISOLATED SNOW SHOWERS. MAX TEMPERATURE.....NEAR 5000 FEET...53-63. NEAR 8000 FEET...43-53. MIN HUMIDITY........NEAR 5000 FEET...15-25 PERCENT. NEAR 8000 FEET...38-48 PERCENT. 20-FOOT WINDS.......SLOPE/VALLEY...NORTH AROUND 15 MPH IN THE MORNING BECOMING UPSLOPE/UPVALLEY 5-10 MPH. RIDGETOPS......NORTH 10-20 MPH DECREASING IN THE AFTERNOON. LAL.................1. CWR.................0 PERCENT. HAINES INDEX........3 ..VERY LOW. = $$ UTZ433-434-436-438-121230- FORECAST AREA 2...CENTRAL UTAH (RICHFIELD IFC AREA)- ZONE 433 SANPETE AND SEVIER VALLEYS...ZONE 434 WEST CENTRAL DESERTS AND MOUNTAINS...ZONE 436 CENTRAL UTAH MOUNTAINS...ZONE 438 HENRY MOUNTAINS- 349 PM MDT SUN MAY 11 2008 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (35-45 PCT CLOUD COVER). IN THE VALLEYS...ISOLATED SHOWERS AND THUNDERSTORMS AFTER 2400 IN EXTREME NORTHWEST ZONE 434. MIN TEMPERATURE.....NEAR 5000 FEET...43-52. NEAR 8000 FEET...36-46. MAX HUMIDITY........NEAR 5000 FEET...51-61 PERCENT. NEAR 8000 FEET...50-60 PERCENT. 20-FOOT WINDS.......SLOPE/VALLEY...SOUTHWEST 25-30 MPH. RIDGETOPS......SOUTHWEST 25-35 MPH. LAL.................2 IN ZONE 434 AND 1 ELSEWHERE. CWR.................0 PERCENT. HAINES INDEX........4 ..LOW. .MONDAY... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PCT CLOUD COVER). IN THE VALLEYS...ISOLATED THUNDERSTORMS UNTIL 1200. SCATTERED RAIN AND SNOW SHOWERS. SCATTERED THUNDERSTORMS AFTER 1200. IN THE MOUNTAINS...THUNDERSTORMS...RAIN SHOWERS AND SCATTERED SNOW SHOWERS. MAX TEMPERATURE.....NEAR 5000 FEET...51-61. NEAR 8000 FEET...45-55. MIN HUMIDITY........NEAR 5000 FEET...33-43 PERCENT. NEAR 8000 FEET...31-41 PERCENT. 20-FOOT WINDS.......SLOPE/VALLEY...WEST 15-20 MPH. RIDGETOPS......NORTHWEST 25-35 MPH. LAL.................5. CWR.................30 PERCENT. HAINES INDEX........3 ..VERY LOW. .MONDAY NIGHT... SKY/WEATHER.........IN THE VALLEYS...PARTLY CLOUDY (50-60 PCT CLOUD COVER)...SCATTERED RAIN SHOWERS...THUNDERSTORMS AND SNOW SHOWERS UNTIL 2400...THEN ISOLATED RAIN SHOWERS. IN THE MOUNTAINS...MOSTLY CLOUDY (70-80 PCT CLOUD COVER)...NUMEROUS THUNDERSTORMS AND RAIN SHOWERS UNTIL 2400. NUMEROUS SNOW SHOWERS. MIN TEMPERATURE.....NEAR 5000 FEET...29-39. NEAR 8000 FEET...23-32. MAX HUMIDITY........NEAR 5000 FEET...68-78 PERCENT. NEAR 8000 FEET...72-82 PERCENT. 20-FOOT WINDS.......SLOPE/VALLEY...NORTH AROUND 15 MPH. RIDGETOPS......NORTH 15-25 MPH. LAL.................5. CWR.................10 PERCENT IN THE VALLEYS AND 30 PERCENT IN THE MOUNTAINS. HAINES INDEX........3 ..VERY LOW. .TUESDAY... SKY/WEATHER.........IN THE VALLEYS...PARTLY CLOUDY (30-40 PCT CLOUD COVER). IN THE MOUNTAINS...PARTLY CLOUDY (50-60 PCT CLOUD COVER)...ISOLATED SNOW SHOWERS. MAX TEMPERATURE.....NEAR 5000 FEET...58-68. NEAR 8000 FEET...43-53. MIN HUMIDITY........NEAR 5000 FEET...12-22 PERCENT. NEAR 8000 FEET...21-31 PERCENT. 20-FOOT WINDS.......SLOPE/VALLEY...NORTH AROUND 15 MPH. RIDGETOPS......NORTHWEST 15-25 MPH. LAL.................1. CWR.................0 PERCENT. HAINES INDEX........3 ..VERY LOW. = $$ UTZ435-437-439>441-121230- FORECAST AREA 3...SOUTHWEST UTAH (CEDAR CITY IFC AREA)- ZONE 435 SOUTHWEST DESERTS AND MOUNTAINS...ZONE 437 SOUTHWEST AND SOUTH CENTRAL MOUNTAINS...ZONE 439 UTAHS DIXIE AND ZION CANYON...ZONE 440 SOUTH CENTRAL UTAH...ZONE 441 GLEN CANYON RECREATION AREA/LAKE POWELL- 349 PM MDT SUN MAY 11 2008 ...RED FLAG WARNING IN EFFECT UNTIL 11 PM MDT THIS EVENING IN ZONE 439 AND UNTIL 4 PM MONDAY IN ZONE 440 FOR STRONG WINDS AND LOW RELATIVE HUMIDITIES BELOW 6500 FEET... .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (20-30 PCT CLOUD COVER). MIN TEMPERATURE.....NEAR 3000 FEET...AROUND 61. NEAR 5000 FEET...47-57. NEAR 8000 FEET...35-45. MAX HUMIDITY........NEAR 3000 FEET...29 PERCENT. NEAR 5000 FEET...33-43 PERCENT. NEAR 8000 FEET...37-47 PERCENT. 20-FOOT WINDS.......SLOPE/VALLEY...SOUTHWEST AROUND 25 MPH. RIDGETOPS......SOUTHWEST 20-30 MPH. LAL.................1. CWR.................0 PERCENT. HAINES INDEX........4 ..LOW. .MONDAY... SKY/WEATHER.........PARTLY CLOUDY (55-65 PCT CLOUD COVER) UNTIL 1200...THEN MOSTLY CLOUDY (70-80 PCT CLOUD COVER). IN THE VALLEYS AFTER 1200...SCATTERED RAIN SHOWERS. IN THE MOUNTAINS...SCATTERED RAIN SHOWERS...THUNDERSTORMS AND SNOW SHOWERS. MAX TEMPERATURE.....NEAR 3000 FEET...75-81. NEAR 5000 FEET...59-69. NEAR 8000 FEET...52-62. MIN HUMIDITY........NEAR 3000 FEET...14-20 PERCENT. NEAR 5000 FEET...20-30 PERCENT. NEAR 8000 FEET...31-41 PERCENT. 20-FOOT WINDS.......SLOPE/VALLEY...BECOMING NORTHWEST 15-25 MPH. RIDGETOPS......WEST 30-40 MPH. LAL.................4 IN THE VALLEYS AND 5 IN THE MOUNTAINS. CWR.................10 PERCENT. HAINES INDEX........3 ..VERY LOW. .MONDAY NIGHT... SKY/WEATHER.........PARTLY CLOUDY (65-75 PCT CLOUD COVER). IN THE VALLEYS...SCATTERED SHOWERS AND THUNDERSTORMS UNTIL 2400...THEN ISOLATED RAIN SHOWERS. IN THE MOUNTAINS...NUMEROUS THUNDERSTORMS UNTIL 2400. NUMEROUS RAIN AND SNOW SHOWERS. MIN TEMPERATURE.....NEAR 3000 FEET...AROUND 51. NEAR 5000 FEET...34-44. NEAR 8000 FEET...24-34. MAX HUMIDITY........NEAR 3000 FEET...42-52 PERCENT. NEAR 5000 FEET...65-75 PERCENT. NEAR 8000 FEET...70-80 PERCENT. 20-FOOT WINDS.......SLOPE/VALLEY...NORTH AROUND 20 MPH IN THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY 5-10 MPH. RIDGETOPS......NORTHWEST 20-30 MPH DECREASING TO NORTH 10-20 MPH AFTER MIDNIGHT. LAL.................5. CWR.................10 PERCENT IN THE VALLEYS AND 40 PERCENT IN THE MOUNTAINS. HAINES INDEX........2 ..VERY LOW. .TUESDAY... SKY/WEATHER.........PARTLY CLOUDY (40-50 PCT CLOUD COVER). IN THE VALLEYS...SCATTERED RAIN SHOWERS UNTIL 1200. ISOLATED RAIN SHOWERS AFTER 1200. IN THE MOUNTAINS...SCATTERED SNOW SHOWERS. MAX TEMPERATURE.....NEAR 3000 FEET...AROUND 75. NEAR 5000 FEET...58-68. NEAR 8000 FEET...48-58. MIN HUMIDITY........NEAR 3000 FEET...12 PERCENT. NEAR 5000 FEET...13-19 PERCENT. NEAR 8000 FEET...18-28 PERCENT. 20-FOOT WINDS.......SLOPE/VALLEY...NORTH 15-20 MPH. RIDGETOPS......NORTH 15-25 MPH. LAL.................1. CWR.................0 PERCENT. HAINES INDEX........2 ..VERY LOW. = $$ UTZ431-432-445>449-121230- FORECAST AREA 4...SOUTHEAST AND EAST CENTRAL UTAH (MOAB IFC AREA)- ZONE 431 EASTERN SLOPE WASATCH PLATEAU AND CASTLE VALLEY...ZONE 432 SOUTHWEST TAVAPUTS PLATEAU/BOOK CLIFFS AND THE SAN RAFAEL SWELL...ZONE 445 GRAND FLAT...ROAN AND BOOK CLIFFS...ZONE 446 ARCHES NATIONAL PARK AND SURROUNDING AREAS...ZONE 447 CANYONLANDS NATIONAL PARK AND BRIDGES NATIONAL MONUMENT...ZONE 448 LAS SAL AND ABAJO MOUNTAINS...ZONE 449 SOUTHERN SAN JUAN COUNTY- 349 PM MDT SUN MAY 11 2008 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (15-25 PCT CLOUD COVER). MIN TEMPERATURE.....NEAR 5000 FEET...44-54. NEAR 8000 FEET...38-48. MAX HUMIDITY........NEAR 5000 FEET...27-37 PERCENT. NEAR 8000 FEET...45-55 PERCENT. 20-FOOT WINDS.......SLOPE/VALLEY...SOUTHWEST 20-25 MPH. RIDGETOPS......WEST 20-30 MPH. LAL.................1. CWR.................0 PERCENT. HAINES INDEX........5 ..MODERATE. .MONDAY... SKY/WEATHER.........PARTLY CLOUDY (55-65 PCT CLOUD COVER). IN THE VALLEYS...ISOLATED SHOWERS AND THUNDERSTORMS UNTIL 1200. SCATTERED SHOWERS AND THUNDERSTORMS AFTER 1200. IN THE MOUNTAINS...RAIN SHOWERS...NUMEROUS THUNDERSTORMS AND SCATTERED SNOW SHOWERS. MAX TEMPERATURE.....NEAR 5000 FEET...62-72. NEAR 8000 FEET...48-58. MIN HUMIDITY........NEAR 5000 FEET...14-24 PERCENT. NEAR 8000 FEET...24-34 PERCENT. 20-FOOT WINDS.......SLOPE/VALLEY...SOUTHWEST 25-30 MPH. RIDGETOPS......WEST 25-35 MPH. LAL.................5. CWR.................10 PERCENT. HAINES INDEX........4 ..LOW. .MONDAY NIGHT... SKY/WEATHER.........MOSTLY CLOUDY (75-85 PCT CLOUD COVER). IN THE VALLEYS...SCATTERED THUNDERSTORMS AND NUMEROUS SNOW SHOWERS UNTIL 2400. SCATTERED RAIN SHOWERS. SCATTERED SNOW SHOWERS AFTER 2400. IN THE MOUNTAINS...NUMEROUS THUNDERSTORMS UNTIL 2400. NUMEROUS SNOW SHOWERS AND SCATTERED RAIN SHOWERS. MIN TEMPERATURE.....NEAR 5000 FEET...35-45. NEAR 8000 FEET...27-37. MAX HUMIDITY........NEAR 5000 FEET...52-62 PERCENT. NEAR 8000 FEET...70-80 PERCENT. 20-FOOT WINDS.......SLOPE/VALLEY...NORTHWEST AROUND 20 MPH. RIDGETOPS......NORTH 25-35 MPH. LAL.................5. CWR.................10 PERCENT. HAINES INDEX........3 ..VERY LOW. .TUESDAY... SKY/WEATHER.........PARTLY CLOUDY (55-65 PCT CLOUD COVER). IN THE VALLEYS...ISOLATED SNOW SHOWERS UNTIL 1200. ISOLATED RAIN SHOWERS. IN THE MOUNTAINS...ISOLATED RAIN SHOWERS AND SNOW SHOWERS. MAX TEMPERATURE.....NEAR 5000 FEET...54-64. NEAR 8000 FEET...43-53. MIN HUMIDITY........NEAR 5000 FEET...13-23 PERCENT. NEAR 8000 FEET...24-34 PERCENT. 20-FOOT WINDS.......SLOPE/VALLEY...NORTH AROUND 15 MPH. RIDGETOPS......NORTHWEST 15-25 MPH. LAL.................1. CWR.................0 PERCENT. HAINES INDEX........3 ..VERY LOW. = $$ .FORECAST DAYS 3 THROUGH 7... .WEDNESDAY...PARTLY CLOUDY. IN THE VALLEYS...ISOLATED RAIN SHOWERS...LOWS IN THE LOWER 40S...HIGHS IN THE LOWER 70S. IN THE MOUNTAINS...ISOLATED RAIN AND SNOW SHOWERS...LOWS IN THE LOWER 30S...HIGHS IN THE MID 50S. NORTH WINDS AROUND 20 MPH. .THURSDAY...MOSTLY CLEAR. LOWS IN THE LOWER 40S IN THE VALLEYS AND IN THE MID 30S IN THE MOUNTAINS. HIGHS IN THE LOWER 70S IN THE VALLEYS AND IN THE UPPER 50S IN THE MOUNTAINS. NORTHEAST WINDS AROUND 20 MPH. .FRIDAY...MOSTLY CLEAR. LOWS IN THE MID 40S IN THE VALLEYS AND IN THE MID 30S IN THE MOUNTAINS. HIGHS IN THE UPPER 70S IN THE VALLEYS AND IN THE LOWER 60S IN THE MOUNTAINS. NORTHEAST WINDS AROUND 20 MPH. .SATURDAY...MOSTLY CLEAR. LOWS IN THE UPPER 40S IN THE VALLEYS AND IN THE UPPER 30S IN THE MOUNTAINS. HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS. .SUNDAY...MOSTLY CLEAR. LOWS IN THE UPPER 40S IN THE VALLEYS AND IN THE LOWER 40S IN THE MOUNTAINS. HIGHS IN THE MID 80S IN THE VALLEYS AND AROUND 70 IN THE MOUNTAINS. .8-14 DAY OUTLOOK FOR MONDAY MAY 19 TO SUNDAY MAY 25 TEMPERATURE... BELOW NORMAL PRECIPITATION... BELOW NORMAL = $$