273
FNUS74 KAMA 291328
FWSAMA

Spot Forecast for Fritch Fortress Rx...National Park Service
National Weather Service Amarillo TX
828 AM CDT Mon Apr 29 2024

Forecast is based on ignition time of 0900 CDT on April 29.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office at (806) 335-1421, if you have questions
or concerns with this forecast.

.DISCUSSION...
Southerly winds in the 10 to 15 mph range will prevail through
tonight. Winds will pick up into the 15 to 20 mph range on
Tuesday. No rain is expected at the site.

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
Chance of pcpn......0 percent.
LAL.................No Tstms.
Max temperature.....Around 82.
Min humidity........19 percent.
Wind (20 ft)........South winds 6 to 12 mph.
Mixing height.......10400 ft AGL.
Transport winds.....Southwest 10 to 15 mph.
Smoke dispersal.....Poor (7900 knot-ft) early in the morning
                    increasing to excellent (98600 knot-ft) in the
                    afternoon increasing to excellent (114200
                    knot-ft) late in the afternoon.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

TIME (CDT)      9 AM   11 AM  1 PM   3 PM   5 PM
Sky cover.......CLEAR  CLEAR  CLEAR  CLEAR  MCLEAR
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      0
LAL.............1      1      1      1      1
Temp............56     67     74     79     80
RH..............64     43     32     24     21
20 ft wind......SE 6   S 10   S 10   SW 10  SW 9
20 ft wind gust.11     13     14     15     14
Mix hgt (kft)...0.9    3.5    8.0    10     10
Transport wind..S 10   S 15   SW 14  SW 14  SW 13
Haines index....3      3      3      3      3
Vrate kt-ft/1K..8      45     96     121    114
Ventrate Cat....POOR   FAIR   GOOD   VYGD   VYGD

.TONIGHT...

Sky/weather.........Clear (0-10 percent).
Chance of pcpn......0 percent.
LAL.................No Tstms.
Min temperature.....Around 56.
Max humidity........45 percent.
Wind (20 ft)........South winds 8 to 14 mph.
Mixing height.......500 ft AGL.
Transport winds.....Southwest 10 to 13 mph shifting to the south 17
                    to 24 mph.
Smoke dispersal.....Excellent (90100 knot-ft) decreasing to poor
                    (4300 knot-ft) early in the evening.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky cover.......CLEAR  CLEAR  CLEAR  CLEAR  CLEAR  CLEAR
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      0      0
LAL.............1      1      1      1      1      1
Temp............82     79     68     65     63     58
RH..............19     21     34     41     43     45
20 ft wind......SW 9   S 9    SE 8   SE 12  S 13   S 10
20 ft wind gust.14     13     11     16     18     14
Mix hgt (kft)...10     0.9    0.5    0.5    0.5    0.5
Transport wind..SW 13  SW 10  S 13   SE 23  S 22   S 18
Haines index....3      4      4      4      4      4
Vrate kt-ft/1K..111    7      6      10     10     9
Ventrate Cat....VYGD   POOR   POOR   POOR   POOR   POOR

.TUESDAY...

Sky/weather.........Sunny (0-10 percent).
Chance of pcpn......0 percent.
LAL.................No Tstms.
Max temperature.....Around 90.
Min humidity........12 percent.
Wind (20 ft)........Southwest winds 9 to 16 mph.
Mixing height.......9800 ft AGL increasing to 11000 ft AGL late in
                    the afternoon.
Transport winds.....Southwest 15 to 23 mph.
Smoke dispersal.....Poor (5600 knot-ft) early in the morning
                    increasing to good (50600 knot-ft) in the
                    afternoon increasing to excellent (187100
                    knot-ft).
Haines Index........4 or low potential for large plume dominated
                    fire growth.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky cover.......CLEAR  CLEAR  CLEAR  CLEAR  CLEAR  MCLEAR
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).0      0      0      0      0      0
LAL.............1      1      1      1      1      1
Temp............57     59     71     80     86     89
RH..............44     41     28     20     15     12
20 ft wind......SW 9   SW 12  SW 15  SW 16  SW 16  SW 15
20 ft wind gust.13     14     19     21     23     22
Mix hgt (kft)...0.5    0.5    1.2    6.0    9.8    11
Transport wind..SW 15  S 15   SW 17  SW 22  SW 23  W 23
Haines index....4      4      4      4      4      4
Vrate kt-ft/1K..6      7      17     114    191    220
Ventrate Cat....POOR   POOR   POOR   VYGD   EXNT   EXNT

$$
Forecaster...Goehring
Requested by...Daniel Pearson
Type of request...PRESCRIBED
.TAG 2412685.0/AMA
.DELDT 04/29/24
.FormatterVersion 2.0.0