Spot Forecast
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811
FNUS74 KEPZ 292203
FWSEPZ

Spot Forecast for Practice / Wildland Fire...Montana Vista Fire Rescue
National Weather Service El Paso Tx/Santa Teresa NM
403 PM MDT Sat Jun 29 2024

Forecast is based on forecast start time of 1700 MDT on June 29.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...
East to southeast winds will continue this evening. The main
threat will be isolated to scattered thunderstorms over the next 2
to 4 hours. These storms, though not directly affecting the spot
location could produce strong, gusty and erratic outflow winds.
Later this evening the thunderstorms chances decrease but the east
winds will continue to be gusty. Decent RH recoveries tonight,
then not as hot on Sunday with another chance for afternoon or
evening thunderstorms. The winds on Sunday will be from the
southeast and a little less than we saw today.

.REST OF TODAY...

Sky/weather.........Mostly sunny (40-50 percent). Scattered showers
                    and thunderstorms.
Chance of pcpn......30 percent.
LAL.................4.
Max temperature.....Around 103.
Min humidity........18 percent.
Wind (20 ft)........East winds around 10 mph. Gusty and erratic
                    winds expected near thunderstorms.
Mixing height.......12100 ft AGL.
Transport winds.....East around 18 mph.
Smoke dispersal.....Excellent (213000 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

TIME (MDT)      5 PM
Sky (%).........44
Weather cov.....SCTTRD
Weather type....RNSHWR
Tstm cov........SCTTRD
Chc of pcpn (%).30
LAL.............4
Temp............102
RH..............19
20 ft wind......E 10
20 ft wind gust.20
Mix hgt (ft)....12100
Transport wind..E 18
Haines index....3
Vrate kt-ft/1K..213
Ventrate Cat....EXNT

.TONIGHT...

Sky/weather.........Mostly clear (10-20 percent). Isolated showers
                    and thunderstorms early in the evening.
Chance of pcpn......20 percent.
LAL.................1.
Min temperature.....Around 79.
Max humidity........56 percent.
Wind (20 ft)........East winds 13 to 17 mph with gusts to around 31
                    mph. Gusty and erratic winds expected near
                    thunderstorms early in the evening.
Mixing height.......11400 ft AGL decreasing to 700 ft AGL in the
                    late evening and overnight.
Transport winds.....East 21 to 28 mph.
Smoke dispersal.....Excellent (204500 knot-ft) decreasing to poor
                    (15300 knot-ft) in the late evening and
                    overnight.
Haines Index........2 to 4 or very low to low potential for large
                    plume dominated fire growth.

TIME (MDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........13     13     10     11     11     15
Weather cov.....ISOLTD ISOLTD NONE   NONE   NONE   NONE
Weather type....RNSHWR RNSHWR NONE   NONE   NONE   NONE
Tstm cov........ISOLTD ISOLTD NONE   NONE   NONE   NONE
Chc of pcpn (%).20     20     10     0      0      10
LAL.............1      1      1      1      1      1
Temp............100    92     87     84     82     80
RH..............20     24     31     41     47     52
20 ft wind......E 13   E 13   E 16   E 17   E 17   E 15
20 ft wind gust.26     26     31     31     31     29
Mix hgt (ft)....11400  11400  1000   1000   700    700
Transport wind..E 24   E 24   SE 28  SE 28  SE 21  SE 21
Haines index....3      4      4      3      3      3
Vrate kt-ft/1K..205    205    25     25     15     15
Ventrate Cat....EXNT   EXNT   POOR   POOR   POOR   POOR

.SUNDAY...

Sky/weather.........Sunny (10-20 percent). Isolated showers and
                    thunderstorms late in the afternoon.
Chance of pcpn......20 percent.
LAL.................1 until 1500, then 3.
Max temperature.....Around 98.
Min humidity........23 percent.
Wind (20 ft)........Southeast winds 10 to 13 mph. Gusty and erratic
                    winds expected near thunderstorms late in the
                    afternoon.
Mixing height.......10900 ft AGL.
Transport winds.....Southeast 16 to 20 mph.
Smoke dispersal.....Fair (56200 knot-ft) early in the morning
                    increasing to very good (131800 knot-ft) in the
                    afternoon increasing to excellent (163800
                    knot-ft) late in the afternoon.
Haines Index........2 to 3 or very low potential for large plume
                    dominated fire growth.

TIME (MDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........7         5         17        28
Weather cov.....NONE      NONE      NONE      ISOLTD
Weather type....NONE      NONE      NONE      RNSHWR
Tstm cov........NONE      NONE      NONE      ISOLTD
Chc of pcpn (%).0         0         10        20
LAL.............1         1         1         6
Temp............79        88        94        98
RH..............56        42        32        24
20 FT wind......E 13G24   SE 12G22  SE 10G22  SE 12G23
Mix hgt (ft)....3300      3300      9200      10900
Transport wind..SE 20     SE 20     SE 16     SE 19
Haines index....2         2         2         3
Vrate kt-ft/1K..56        56        132       164
Ventrate Cat....FAIR      FAIR      VYGD      EXNT

.FORECAST DAYS 3 THROUGH 5...
.MONDAY...
Partly cloudy. Scattered showers and thunderstorms. Lows in the
upper 70s. Highs in the mid 90s. Southeast winds around 9 mph.
.TUESDAY...
Partly cloudy. Isolated showers and thunderstorms. Lows in the
upper 70s. Highs in the upper 90s. South winds around 7 mph.
.WEDNESDAY...
Mostly cloudy. Scattered showers and thunderstorms. Lows around
80. Highs in the upper 90s. South winds around 5 mph.

$$
Forecaster...BRICE
Requested by...Assistant Chief Etienne
Type of request...WILDFIRE
.TAG 2416934.0/EPZ
.DELDT 06/29/24
.FormatterVersion 2.0.0
.EMAIL jetienne@montanavista.org