Suppression Forecast
Issued by NWS Portland, ME

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7
000
FNUS71 KGYX 022003
FWSGYX

Spot Forecast for Zito 1 Prescribed Burn...TNC/USFS
National Weather Service Gray ME
403 PM EDT Sun Oct 2 2022

Forecast is based on ignition time of 0800 EDT on October 03.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office at (207) 688-3224, if you have questions
or concerns with this forecast.

DISCUSSION...Monday will be dry and mainly sunny with light winds
through much of the lower atmosphere. This could lead to poor
dispersal. Afternoon minimum RH values will be around 40, with
good recovery Monday night.

.MONDAY...

Sky/weather.........Sunny (0-10 percent).
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 59.
Min humidity........40 percent.
Dewpoint............32.
Wind Chill...34.
Wind (20 ft)........Light winds becoming northeast around 5 mph in
                    the late morning and early afternoon, then
                    becoming light late in the afternoon.
Mixing height.......3300 ft AGL.
Transport winds.....Northeast 3 to 8 mph.
Smoke dispersal.....Poor (5200 knot-ft) early in the morning
                    increasing to fair (16400 knot-ft) in the
                    afternoon.
LVORI...............3 early in the morning.
ADI.................1 early in the morning.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

TIME (EDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........7   7   7   7   3   3   3   3   3   3
Weather cov.....
Weather type....
Tstm cov........NO  NO  NO  NO  NO  NO  NO  NO  NO  NO
CWR.............0   0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1
Temp............37  41  45  49  52  54  56  57  57  55
Dewpoint........31  31  32  33  33  32  32  33  33  34
RH..............79  67  60  54  48  43  40  40  40  45
Aparnt tmp (F)..34  39  43  47  52  54  56  57  57  55
20 FT wind dir..NE  NE  NE  NE  NE  NE  NE  NE  NE  NE
20 FT wind spd..3   3   5   5   5   5   5   5   3   3
20 FT wind gust.6   8   9   10  10  9   9   8   7   7
Mix hgt (kft)...0.7 1.5 2.2 2.7 3.1 3.2 3.3 3.3 2.9 2.4
Transp wind dir.N   NE  NE  NE  NE  NE  NE  NE  NE  NE
Transp wind spd.8   6   6   7   6   5   5   5   3   3
LVORI...........4   4   2   2   2   2   M   M   M   M
ADI.............1   1   1   1   1   1   M   M   M   M
Haines index....4   4   4   4   4   4   4   4   4   4
Vrate kt-ft/1K..5   8   11  16  15  13  13  13  9   7
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR

.MONDAY NIGHT...

Sky/weather.........Mostly clear (0-10 percent). Patchy frost
                    overnight. Areas of frost after 3 am.
CWR.................0 percent.
LAL.................1.
Min temperature.....Around 33.
Max humidity........92 percent.
Dewpoint............33.
Wind Chill...34.
Wind (20 ft)........Light winds.
Mixing height.......300 ft AGL.
Transport winds.....East around 2 mph shifting to the west in the
                    late evening and overnight, then shifting to
                    the north overnight.
Smoke dispersal.....Poor (500 knot-ft).
LVORI...............MISSING.
ADI.................MISSING.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........3      3      3      8      8      8
Weather cov.....                     PATCHY PATCHY AREAS
Weather type....NONE   NONE   NONE   FROST  FROST  FROST
Tstm cov........NO     NO     NO     NO     NO     NO
CWR.............0      0      0      0      0      0
LAL.............1      1      1      1      1      1
Temp............52     44     40     37     36     35
Dewpoint........34     34     34     34     33     32
RH..............50     68     79     89     89     89
Aparnt tmp (F)..52     44     40     37     36     35
20 ft wind......NE 2   N 2    NW 2   NW 2   NW 2   N 2
20 ft wind gust.6      5      5      5      5      5
Mix hgt (ft)....700    400    300    300    300    300
Transport wind..E 2    NE 2   W 2    W 2    N 2    N 2
LVORI...........M      M      M      M      M      M
ADI.............M      M      M      M      M      M
Haines index....4      4      4      4      4      4
Vrate kt-ft/1K..1      1      1      1      1      1
Ventrate Cat....POOR   POOR   POOR   POOR   POOR   POOR

.TUESDAY...

Sky/weather.........Mostly sunny (30-40 percent). Areas of frost
                    early in the morning.
CWR.................0 percent.
LAL.................1.
Max temperature.....Around 63.
Min humidity........36 percent.
Dewpoint............34 increasing to 37 late in the afternoon.
Wind Chill...34.
Wind (20 ft)........Light winds.
Mixing height.......3300 ft AGL.
Transport winds.....North 2 to 5 mph shifting to the east 3 to 5
                    mph late in the morning.
Smoke dispersal.....Poor (700 knot-ft) early in the morning
                    increasing to fair (13000 knot-ft) in the
                    afternoon.
LVORI...............MISSING.
ADI.................MISSING.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........21     21     21     46     46     46
Weather cov.....AREAS  AREAS
Weather type....FROST  FROST  NONE   NONE   NONE   NONE
Tstm cov........NO     NO     NO     NO     NO     NO
CWR.............0      0      0      0      0      0
LAL.............1      1      1      1      1      1
Temp............34     39     48     57     62     61
Dewpoint........32     34     35     36     35     37
RH..............92     82     60     45     36     41
Aparnt tmp (F)..34     39     48     57     62     61
20 ft wind......N 2    N 1    NE 2   E 2    E 2    E 2
20 ft wind gust.5      2      5      5      5      5
Mix hgt (ft)....300    400    1900   2900   3300   1900
Transport wind..N 2    N 3    NE 5   E 5    NE 5   E 3
LVORI...........M      M      M      M      M      M
ADI.............M      M      M      M      M      M
Haines index....4      4      4      4      4      4
Vrate kt-ft/1K..1      1      7      12     13     6
Ventrate Cat....POOR   POOR   POOR   POOR   POOR   POOR

$$
Forecaster...CEMPA
Requested by...Jeff Lougee
Type of request...PRESCRIBED
.TAG 2218961.0/GYX
.DELDT 10/02/22
.FormatterVersion 2.0.0
.EMAIL jlougee@tnc.org


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.