Wyoming Fire Weather Zone 416

.DISCUSSION...

...YELLOWSTONE NP AND TETON DISPATCH AREAS (INCLUDES FIRE WEATHER
ZONES 140...414...415...AND 416)...
MOIST NORTHERLY FLOW CONTINUES AROUND A LARGE STORM SYSTEM JUST NOW
BEGINNING TO EXIT EASTERN WYOMING AND THE NORTHERN HIGH PLAINS.
THIS WILL KEEP KEEP PERIODS OF SHOWERS AND ISOLATED THUNDERSTORMS
ACROSS THE FORECAST AREA TODAY AND THIS EVENING BEFORE DRYING AND
WARMING ON TUESDAY AHEAD OF YET ANOTHER STORM SYSTEM POISED TO
ARRIVE FROM THE ALASKA AND NORTHWEST TERRITORIES ON WEDNESDAY. THIS
WILL BRING A RETURN CHANCE OF THUNDERSTORMS...SOME OF WHICH COULD BE
QUITE STRONG...ON WEDNESDAY. GUSTY NORTH TO NORTHWEST WINDS WILL
CONTINUE TODAY AND THEN TURN MORE SOUTHERLY TUESDAY THROUGH WEDNESDAY.

...RAWLINS DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 277...278...
AND 279)...
SHOWERS AND ISOLATED THUNDERSTORMS WILL CONTINUE AT TIMES TODAY
BEFORE CONDITIONS IMPROVE...DRY OUT...AND WARM UP TUESDAY INTO
WEDNESDAY. A FEW THUNDERSTORMS WILL THE RETURN TO THE AREA
WEDNESDAY. GUSTY WEST TO NORTHWEST WINDS WILL CONTINUE AT TIMES
TODAY BEFORE QUIETING AND TURNING OUT OF THE WEST TOMORROW...THEN
FROM THE SOUTH OR SOUTHEAST WEDNESDAY.

...CODY DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 275...276...
282...283...285...286...287...288...AND 289)...
SHOWERS AND ISOLATED THUNDERSTORMS WILL CONTINUE TODAY WITH GUSTY
STRONG AND GUSTY NORTH WINDS AT TIMES. VERY STRONG WINDS CAN BE
EXPECTED AT TIMES OVER THE FORECAST AREA ABOVE 7000 FT THROUGH THE
AFTERNOON...THEN WILL DECREASE THIS EVENING. WINDS WILL DECREASE
TUESDAY AND TEMPERATURES WILL REBOUND. ANOTHER WEATHER SYSTEM WILL
RETURN SOME THUNDERSTORM ACTIVITY TO THE REGION ON WEDNESDAY. THE
RELATIVE HUMIDITIES WILL REMAIN ABOVE NORMAL THROUGH TUESDAY. AFTER
A BRIEF WARM AND DRY DAY ON TUESDAY...A LARGE DISTURBANCE CURRENTLY
IN THE ALASKA/YUKON REGION WILL MOVE TOWARD THE STATE AND  HELP TO
CREATE A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.

...CASPER DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 280...281...
285...289...AND 300)...
OCCASIONAL RAIN SHOWERS WILL CONTINUE THROUGH THE EVENING PERIOD
WITH ISOLATED BRIEF HEAVY RAIN POSSIBLE. RAIN CHANCES WILL TAPER OFF
AND END TONIGHT INTO TUESDAY MORNING. THE AIRMASS WILL THEN REMAIN
RELATIVELY MOIST EVEN WITH A RELATIVELY WARM AND DRY DAY TUESDAY.
GUSTY NORTH WINDS WILL CONTINUE THROUGH THIS EVENING. WEDNESDAY...WITH THE
APPROACH OF YET ANOTHER LARGE DISTURBANCE FROM THE
NORTHWEST...THUNDERSTORMS WILL ONCE AGAIN RETURN TO THE FORECAST
AREA BY THE AFTERNOON.

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

WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF-
313 PM MDT MON MAY 20 2013

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400...THEN PARTLY CLOUDY.
                    SCATTERED RAIN SHOWERS...SNOW SHOWERS AND
                    ISOLATED THUNDERSTORMS UNTIL 2400...THEN
                    ISOLATED RAIN SHOWERS AND SNOW SHOWERS.
MIN TEMPERATURE.....28-34.
   24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........81-87 PERCENT.
   24 HR TREND......13 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......NORTH WINDS 10 TO 15 MPH AND GUSTY.
RIDGE TOP WINDS.....NORTH 15 TO 20 MPH.
LAL.................2 UNTIL 2400...THEN 1.
CHC OF WETTING RAIN.45 PERCENT UNTIL 2400...THEN 15 PERCENT.
TRANSPORT WINDS.....NORTH 10 TO 15 MPH.
MIXING HEIGHT.......3500-6000 FT AGL UNTIL 2400...THEN 1000-3500 FT
                    AGL.
SMOKE DISPERSAL.....POOR TO FAIR (20000-40000 KNOT-FT).
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.TUESDAY...
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SNOW SHOWERS UNTIL
                    1200. ISOLATED RAIN SHOWERS.
MAX TEMPERATURE.....49-57.
   24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........41-47 PERCENT.
   24 HR TREND......15 PERCENT DRIER.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 0900...THEN
                    UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200...THEN WEST
                    AROUND 10 MPH. GUSTS UP TO 15 MPH.
RIDGE TOP WINDS.....WEST AROUND 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.12 PERCENT.
TRANSPORT WINDS.....WEST 5 TO 10 MPH.
MIXING HEIGHT.......1500-4000 FT AGL UNTIL 1200...THEN 4500-7000 FT
                    AGL.
SMOKE DISPERSAL.....POOR TO FAIR (24000-44000 KNOT-FT).
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.TUESDAY NIGHT...
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
                    AND ISOLATED THUNDERSTORMS UNTIL 2400.
MIN TEMPERATURE.....32-38.
   24 HR TREND......4 DEGREES WARMER.
MAX HUMIDITY........67-73 PERCENT.
   24 HR TREND......14 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH UNTIL 2100...THEN
                    SOUTHEAST. GUSTS UP TO 15 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 2100...THEN
                    SOUTHEAST.
LAL.................2 UNTIL 2400...THEN 1.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 2100...THEN
                    SOUTHEAST.
MIXING HEIGHT.......4500-7000 FT AGL UNTIL 2400...THEN 2500-4500 FT
                    AGL.
SMOKE DISPERSAL.....FAIR TO GOOD (42000-62000 KNOT-FT).
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.WEDNESDAY...
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN MOSTLY CLOUDY.
                    SCATTERED THUNDERSTORMS AND CHANCE OF RAIN
                    SHOWERS AFTER 1200. SOME THUNDERSTORMS MAY
                    PRODUCE GUSTY WINDS AND SMALL HAIL AFTER 1200.
MAX TEMPERATURE.....57-66.
   24 HR TREND......8 DEGREES WARMER.
MIN HUMIDITY........30-36 PERCENT.
   24 HR TREND......11 PERCENT DRIER.
20-FOOT WINDS.......SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND
                    25 MPH UNTIL 1500...THEN AROUND 20 MPH WITH
                    GUSTS TO AROUND 25 MPH.
RIDGE TOP WINDS.....SOUTH 15 TO 20 MPH.
LAL.................1 UNTIL 1200...THEN 4.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200...THEN 15 PERCENT.
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH UNTIL 1500...THEN AROUND 25
                    MPH.
MIXING HEIGHT.......3000-5500 FT AGL UNTIL 1200...THEN 5500-8000 FT
                    AGL.
SMOKE DISPERSAL.....FAIR TO GOOD (54000-74000 KNOT-FT) UNTIL
                    1200...THEN VERY GOOD (104000-124000 KNOT-FT).
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.


.FORECAST DAYS 3 THROUGH 7......
.WEDNESDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
ISOLATED THUNDERSTORMS IN THE EVENING...THEN SLIGHT CHANCE OF
SHOWERS AND SNOW SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 30S.
SOUTH WINDS AROUND 15 MPH.
.THURSDAY THROUGH FRIDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS 55 TO 61.
SOUTHWEST WINDS AROUND 15 MPH.
.SATURDAY...PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS AROUND 60.
SOUTHWEST WINDS AROUND 10 MPH.
.SUNDAY THROUGH MEMORIAL DAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS 57 TO 62.
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.