Wyoming Fire Weather Zone 288

.DISCUSSION...

...YELLOWSTONE NP AND TETON DISPATCH AREAS (INCLUDES FIRE WEATHER
ZONES 140...414...415...AND 416)...
MOIST NORTHERLY FLOW AROUND A LARGE STORM SYSTEM DEVELOPING OVER EASTERN
WYOMING AND THE NORTHERN HIGH PLAINS WILL KEEP PERIODS OF SHOWERS AND
ISOLATED THUNDERSTORMS ACROSS THE AREA THROUGH MONDAY BEFORE BRIEF DRYING
AND WARMING ON TUESDAY. ANOTHER STORM SYSTEM WILL BRING A CHANCE OF
THUNDERSTORMS...SOME OF WHICH COULD BE QUITE STRONG...ON WEDNESDAY.
GUSTY NORTH TO NORTHWEST WINDS WILL CONTINUE THROUGH MONDAY AND THEN
TURN SOUTH TO SOUTHWEST TUESDAY INTO WEDNESDAY.

...RAWLINS DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 277...278...
AND 279)...
SHOWERS AND ISOLATED THUNDERSTORMS WILL INCREASE THROUGH THIS EVENING AND
CONTINUE AT TIMES THROUGH MONDAY BEFORE CONDITIONS IMPROVE AND WARMUP
TUESDAY INTO WEDNESDAY. A FEW THUNDERSTORMS COULD RETURN WEDNESDAY. GUSTY
WEST TO NORTHWEST WINDS WILL CONTINUE AT TIMES. THE MOIST AIRMASS WILL DRY
OUT SOME TUESDAY INTO WEDNESDAY.

...CODY DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 275...276...
282...283...285...286...287...288...AND 289)...
SHOWERS AND ISOLATED THUNDERSTORMS WILL CONTINUE THROUGH MONDAY WITH
GUSTY STRONG AND GUSTY NORTH WINDS AT TIMES THROUGH MONDAY. WINDS WILL
DECREASE TUESDAY AND TEMPERATURES WILL REBOUND. ANOTHER WEATHER SYSTEM
MAY RETURN THUNDERSTORMS ON WEDNESDAY. THE RELATIVE HUMIDITIES WILL BE
QUITE HIGH THROUGH MONDAY AND THEN DECREASE SOME ON TUESDAY BUT STILL
REMAIN ABOVE NORMAL IN THE 30S AND 40S. AIRMASS WILL LIKELY DRY OUT
SOME ON WEDNESDAY BUT A DISTURBANCE APPROACHING FROM THE SOUTHWEST WILL
CREATE A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.

...CASPER DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 280...281...
285...289...AND 300)...
WIDESPREAD RAIN AND ISOLATED EMBEDDED DISTURBANCES WILL CONTINUE THROUGH
MONDAY WITH SIGNIFICANT RAIN POSSIBLE. RAIN FALLING ON SATURATED GROUND
COULD CAUSE LOCALIZED MUD AND DEBRIS FLOWS...ESPECIALLY OVER BARREN
TERRAIN OR BURN SCAR AREAS. THE RAIN WILL TAPER OFF AND END MONDAY NIGHT
INTO TUESDAY. THE AIRMASS WILL STILL REMAIN RELATIVELY MOIST. GUSTY NORTH
WINDS WILL CONTINUE THROUGH MONDAY. THE AIRMASS WILL WARM UP TUESDAY INTO
WEDNESDAY WITH A GRADUAL DECREASE IN LOW LEVEL MOISTURE.

...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS...
...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT...

EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF-
241 PM MDT SUN MAY 19 2013

.TONIGHT...
SKY/WEATHER.........CLOUDY. ISOLATED THUNDERSTORMS UNTIL 2400.
                    NUMEROUS SNOW SHOWERS AND RAIN SHOWERS. SNOW
                    ACCUMULATION OF 1 TO 5 INCHES.
MIN TEMPERATURE.....26-36.
   24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........90-96 PERCENT.
   24 HR TREND......UNCHANGED.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 20
                    MPH UNTIL 0300...THEN 25 MPH.
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.
LAL.................2 UNTIL 2400...THEN 1.
CHC OF WETTING RAIN.82 PERCENT.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......2500-4500 FT AGL UNTIL 2400...THEN 1500-2500 FT
                    AGL.
SMOKE DISPERSAL.....POOR TO FAIR (28000-48000 KNOT-FT).
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.MONDAY...
SKY/WEATHER.........CLOUDY. NUMEROUS SNOW SHOWERS UNTIL 1200.
                    NUMEROUS RAIN SHOWERS. ISOLATED THUNDERSTORMS
                    AFTER 1200. SNOW ACCUMULATION UP TO 1 INCH.
MAX TEMPERATURE.....46-53.
   24 HR TREND......7 DEGREES WARMER.
MIN HUMIDITY........55-61 PERCENT.
   24 HR TREND......10 PERCENT WETTER.
20-FOOT WINDS.......NORTH WINDS AROUND 15 MPH WITH GUSTS TO AROUND
                    25 MPH.
RIDGE TOP WINDS.....NORTH AROUND 20 MPH.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.30 PERCENT UNTIL 1200...THEN 65 PERCENT.
TRANSPORT WINDS.....NORTH 20 TO 25 MPH.
MIXING HEIGHT.......1500-4000 FT AGL UNTIL 1200...THEN 3500-5500 FT
                    AGL.
SMOKE DISPERSAL.....FAIR TO GOOD (42000-62000 KNOT-FT).
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.MONDAY NIGHT...
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400...THEN PARTLY CLOUDY.
                    RAIN SHOWERS AND SNOW SHOWERS LIKELY UNTIL
                    2400...THEN CHANCE OF SNOW SHOWERS AND SLIGHT
                    CHANCE OF RAIN SHOWERS. SNOW ACCUMULATION UP TO
                    1 INCH.
MIN TEMPERATURE.....27-35.
   24 HR TREND......UNCHANGED.
MAX HUMIDITY........78-84 PERCENT.
   24 HR TREND......13 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH AND GUSTY.
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.
LAL.................1.
CHC OF WETTING RAIN.35 PERCENT UNTIL 2400...THEN 10 PERCENT.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......3000-5500 FT AGL UNTIL 2400...THEN 500-3000 FT
                    AGL.
SMOKE DISPERSAL.....POOR TO FAIR (28000-48000 KNOT-FT).
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.TUESDAY...
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS
                    UNTIL 1200. SLIGHT CHANCE OF RAIN SHOWERS.
MAX TEMPERATURE.....52-60.
   24 HR TREND......6 DEGREES WARMER.
MIN HUMIDITY........33-39 PERCENT.
   24 HR TREND......23 PERCENT DRIER.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 1200...THEN
                    UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500...THEN WEST
                    AROUND 10 MPH. GUSTS UP TO 15 MPH.
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
MIXING HEIGHT.......1500-4000 FT AGL UNTIL 1200...THEN 4500-7000 FT
                    AGL.
SMOKE DISPERSAL.....POOR (10000-30000 KNOT-FT).
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.


.FORECAST DAYS 3 THROUGH 7......
.TUESDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
EVENING. LOWS IN THE UPPER 30S. WINDS GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS...THUNDERSTORMS
AND SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN THE LOWER 40S. HIGHS
AROUND 60. SOUTHWEST WINDS AROUND 10 MPH.
.THURSDAY THROUGH FRIDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF
SHOWERS...THUNDERSTORMS AND SNOW SHOWERS. LOWS AROUND 40. HIGHS IN
THE LOWER 60S. SOUTHWEST WINDS 10 TO 15 MPH.
.SATURDAY THROUGH SUNDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF
SHOWERS...THUNDERSTORMS AND SNOW SHOWERS. LOWS IN THE UPPER 30S.
HIGHS IN THE LOWER 60S.
View Complete Fire Weather Zones

Back to Fire Weather Page
USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.