183
FNUS75 KREV 211358
FWSREV

Spot Forecast for Manzanita M7 Pile Burn...NV-HTF
National Weather Service Reno NV
658 AM PDT Fri Mar 21 2025

Forecast is based on ignition time of 0800 PDT on March 21.
If conditions become unrepresentative...contact the National
Weather Service in Reno.

.DISCUSSION...

* A weak, quick-moving storm will bring increased west breezes
  and a slight chance of light rain and snow showers today.

* Dry weather and light breezes prevail this weekend through the
  middle of next week.

* Unseasonable warmth and low humidities are expected early next
  week. Smoke ventilation will be limited due to stable conditions
  and light winds.

.REST OF TODAY...

Sky/Weather.........Mostly cloudy. Slight chance of rain and snow
                    showers in the morning and early afternoon.
Temperature.........35-38 at ignition...Max 44-47.
RH..................50-55% at ignition...Min 45-50%.
20-Foot Winds.......Winds west at 4-8 mph at ignition...otherwise
                    west winds 8-12 mph with gusts up to 25 mph
                    after 1200 hours.
Chc Wetting Rain....5%.
Mixing Height.......1900-2900 ft agl.
Transport Winds.....West 20-25 mph.
Ventilation.........Fair to good.

TIME (PDT)      8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........48     48     38     26     26
Weather cov.....S CHC  S CHC  S CHC
Weather type....SNSHWR SNSHWR RNSHWR NONE   NONE
Tstm cov........
CWR.............10     10     10     10     10
Temp............36     43     44     45     44
RH..............53     51     57     55     54
20 ft wind......W 7    W 7    W 12   W 12   W 11
20 ft wind gust.10     10     20     23     22
Mx ht msl (kft).1.7    1.7    2.7    2.9    2.9
Transport wind..W 20   W 20   W 25   W 25   W 25
Vrate kt-ft/1K..27     27     62     67     67
Ventrate Cat....POOR   POOR   GOOD   GOOD   GOOD

.TONIGHT...

Sky/Weather.........Mostly cloudy.
Temperature.........Min 32-35.
RH..................Max 60-65%.
20-Foot Winds.......West winds 6-10 mph with gusts of 15-20 mph
                    in the evening becoming light overnight.
Chc Wetting Rain....0%.
Mixing Height.......1100-1600 ft agl in the evening.
Transport Winds.....West 15-20 mph.
Ventilation.........Fair to poor.

TIME (PDT)      5 PM   7 PM   9 PM   11 PM  1 AM   3 AM
Sky (%).........47     47     42     55     55     53
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      0      0      0
Temp............43     39     37     35     35     36
RH..............55     58     58     58     58     58
20 ft wind......W 8    W 6    W 10   W 7    W 7    W 6
20 ft wind gust.15     13     12     10     10     10
Mx ht msl (kft).1.8    1.8    1.0    0.4    0.4    0.4
Transport wind..W 20   W 20   W 15   W 15   W 15   W 15
Vrate kt-ft/1K..30     30     13     6      6      6
Ventrate Cat....POOR   POOR   POOR   POOR   POOR   POOR

.SATURDAY...

Sky/Weather.........Mostly cloudy.
Temperature.........Max 48-51.
RH..................Min 50-55%.
20-Foot Winds.......Upslope 3-7 mph.
Chc Wetting Rain....5%.
Mixing Height.......200-500 ft agl then 3100-3300 ft agl in the
                    afternoon.
Transport Winds.....West around 10 mph in the morning and early
                    afternoon becoming light.
Ventilation.........Poor to fair.

TIME (PDT)      5 AM   7 AM   9 AM   11 AM  1 PM   3 PM
Sky (%).........68     68     63     54     54     59
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
CWR.............0      0      0      10     10     10
Temp............37     37     40     45     47     48
RH..............58     57     54     50     53     55
20 ft wind......W 6    W 6    SW 2   W 2    W 2    W 5
20 ft wind gust.10     10     5      5      5
Mx ht msl (kft).0.4    0.4    0.4    3.2    3.2    3.2
Transport wind..W 10   W 10   SW 10  W 10   W 10   W 5
Vrate kt-ft/1K..4      4      4      22     22     16
Ventrate Cat....POOR   POOR   POOR   POOR   POOR   POOR

$$
Forecaster...Salas/Richards
Requested by...Angelo Di Mario
Type of request...PRESCRIBED
.TAG 2506647.3/REV
.DELDT 03/21/25
.FormatterVersion 2.0.0
.EMAIL angelo.a.dimario@gmail.com,rosendo.alvarez@usda.gov