Text Products for FWS Issued by AMA

Spot Forecast
Issued by NWS Amarillo, TX
Versions: 1 2

000
FNUS74 KAMA 171324
FWSAMA

Spot Forecast for Sanford-Yake Rx...NPS
National Weather Service Amarillo TX
824 AM CDT Wed Apr 17 2024

Forecast is based on ignition time of 0900 CDT on April 17.
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...Dry and fair weather through today. RH near to the water
will be roughly 5% higher than the immediate surrounding valley. Winds
are light and variable this morning but will pick up a SW to at times WSW
direction this afternoon. A cold front passes through burn area mid morning
(likely 7-9 am) on Thursday. This will shift winds sharply to the N
and bring breezy and gusty winds to the fire area. The passage of the
cold front will bring higher RH to the fire area.

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
Chance of pcpn......0 percent.
LAL.................No Tstms.
Max temperature.....Around 87.
Min humidity........11 percent.
Wind (20 ft)........Variable winds around 5 mph shifting to the
                    southwest 6 to 14 mph with gusts to 25 mph by afternoon.
Mixing height.......9900 ft AGL.
Transport winds.....East around 7 mph shifting to the south around
                    6 mph late in the morning, then shifting to the
                    west 7 to 13 mph late in the morning increasing
                    to 17 to 23 mph late in the afternoon.
Smoke dispersal.....Poor (4300 knot-ft) early in the morning
                    increasing to excellent (76300 knot-ft) in the
                    afternoon increasing to excellent (134100
                    knot-ft) late in the afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

TIME (CDT)      9 AM   11 AM  1 PM   3 PM   5 PM
Sky cover.......MCLEAR CLEAR  CLEAR  CLEAR  CLEAR
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............57     67     76     81     83
RH..............57     37     26     19     15
20 ft wind......E 5    SW 6   SW 8   SW 13  SW 14
20 ft wind gust.6      8      12     16     19
Mix hgt (kft)...0.7    2.0    4.3    8.9    9.9
Transport wind..E 7    SW 7   W 9    W 17   W 23
Haines index....5      5      5      5      5
Vrate kt-ft/1K..4      12     35     134    199
Ventrate Cat....POOR   POOR   POOR   VYGD   EXNT

.TONIGHT...

Sky/weather.........Clear (0-10 percent).
Chance of pcpn......0 percent.
LAL.................No Tstms.
Min temperature.....Around 53.
Max humidity........69 percent.
Wind (20 ft)........Southwest winds 9 to 14 mph.
Mixing height.......500 ft AGL.
Transport winds.....West 12 to 17 mph decreasing to around 12 mph.
Smoke dispersal.....Excellent (118600 knot-ft) decreasing to poor
                    (6100 knot-ft) early in the evening.
Haines Index........5 or moderate 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............83     80     71     67     65     61
RH..............14     17     23     25     28     31
20 ft wind......SW 14  SW 9   S 9    SW 12  SW 12  SW 9
20 ft wind gust.19     13     14     15     13     12
Mix hgt (kft)...9.6    0.6    0.5    0.5    0.5    0.5
Transport wind..W 23   SW 13  S 18   SW 20  W 17   W 16
Haines index....5      5      5      5      5      5
Vrate kt-ft/1K..192    6      8      8      7      7
Ventrate Cat....EXNT   POOR   POOR   POOR   POOR   POOR

.THURSDAY...

Sky/weather.........Sunny (10-20 percent) then becoming mostly
                    sunny (35-45 percent).
Chance of pcpn......0 percent.
LAL.................No Tstms.
Max temperature.....Around 61.
Min humidity........31 percent.
Wind (20 ft)........West winds around 10 mph shifting to the north
                    14 to 20 mph gusts to 30 mph, then shifting to
the northeast around 11 to 14 mph gusts to 23 mph
late in the afternoon.
Mixing height.......3900 ft AGL.
Transport winds.....North 17 to 26 mph shifting to the northeast
                    around 16 mph late in the afternoon.
Smoke dispersal.....Poor (8000 knot-ft) early in the morning
                    increasing to excellent (61800 knot-ft) in the
                    afternoon.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky cover.......CLEAR  MCLEAR MCLDY  PCLDY  MCLEAR 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     54     53     56     58     60
RH..............38     61     69     61     56     51
20 ft wind......W 10   N 15   N 20   N 20   NE 17  NE 14
20 ft wind gust.16     21     23     23     22     20
Mix hgt (kft)...0.5    2.0    2.5    3.0    3.5    3.9
Transport wind..N 17   N 24   N 26   N 23   N 20   NE 16
Haines index....5      4      4      4      5      5
Vrate kt-ft/1K..8      41     58     60     60     55
Ventrate Cat....POOR   FAIR   FAIR   GOOD   FAIR   FAIR

$$
Forecaster...Hannah
Requested by...Jason McDaniel
Type of request...PRESCRIBED
.TAG 2411215.0/AMA
.DELDT 04/17/24
.FormatterVersion 2.0.0
National Weather Service Weather Forecast Office
