834
FNUS71 KBOX 291306
FWSBOX
SPOT FORECAST FOR JOSHUA HILL FIRE...LEVERETT FIRE DEPARTMENT
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
906 AM EDT MON JUN 29 2020
FORECAST IS BASED ON FORECAST START TIME OF 1000 EDT ON JUNE 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
RISK OF A SHOWER AT JUST ABOUT ANY TIME THROUGH TUESDAY, BUT MOST
LIKELY DURING THE AFTERNOON AND EVENING HOURS. CANNOT RULE OUT A
RISK FOR A FEW THUNDERSTORMS, ESPECIALLY THIS AFTERNOON.
TEMPERATURES WILL BE NEAR TO BELOW NORMAL THROUGH THIS PERIOD. MIN
RELATIVE HUMIDITY VALUES ARE BETWEEN 60-80 PERCENT FOR MONDAY AND
TUESDAY AFTERNOON.
OUTLOOK...WEDNESDAY THROUGH SUNDAY...
DAILY CHANCES OF SHOWERS AND THUNDERSTORMS THROUGH MIDWEEK WITH
BELOW NORMAL TEMPERATURES FOR THIS TIME OF YEAR. NO WASHOUTS
EXPECTED. DRIER WEATHER EXPECTED LATE THIS WEEK.
REST OF TODAY
SKY/WEATHER.........CLOUDY (85-95 PERCENT). SHOWERS LIKELY THROUGH
THE DAY. CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. PATCHY FOG LATE IN THE AFTERNOON.
CWR.................54 PERCENT INCREASING TO 100 PERCENT LATE IN
THE AFTERNOON.
MAX TEMPERATURE.....AROUND 76.
MIN HUMIDITY........76 PERCENT.
DEWPOINT............65.
MAX APPARENT TEMP...73.
SURFACE WINDS.......LIGHT WINDS BECOMING NORTH 5 TO 6 MPH EARLY.
WIND (20 FT)........LIGHT WINDS BECOMING NORTH 5 TO 6 MPH EARLY.
GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......2600-4200 FT AGL.
TRANSPORT WINDS.....NORTHEAST 10 TO 14 MPH.
SMOKE DISPERSAL.....FAIR TO GOOD (23800-49800 KNOT-FT).
LVORI...............4.
ADI.................38 INCREASING TO 48 IN THE AFTERNOON, THEN
DECREASING TO 41 LATE IN THE AFTERNOON.
HAINES INDEX........3 VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED
FIRE GROWTH.
CEILING (KFT).......2.0 INCREASING TO 4.5.
TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........91 91 91 92 94 89 95 95
WEATHER COV.....CHC LKY LKY LKY LKY LKY LKY LKY
WEATHER TYPE....RW RW RW RW RW RW RW RW
TSTM COV........ ISO SCH CHC SCH
CWR.............50 50 50 50 100 100 100 100
TEMP............70 72 72 73 73 72 72 72
DEWPOINT........65 66 66 66 65 65 65 64
RH..............84 81 81 79 76 79 79 76
HEAT INDEX (F)..70 72 72 73 73 72 72 72
20 FT WIND DIR..N N N N N N N N
20 FT WIND SPD..3 5 5 5 5 6 5 5
20 FT WIND GUST.9 10 10 12 13 13 12 12
SURFACE WND DIR.N N N N N N N N
SURFACE WND SPD.3 5 5 5 5 6 5 5
SURFACE WND GST.9 10 10 12 13 13 12 12
MIX HGT (KFT)...2.6 2.8 3.2 3.4 4.2 4.0 3.3 3.0
TRANSP WIND DIR.N N N N N N NE NE
TRANSP WIND SPD.10 12 13 13 14 14 13 13
LVORI...........4 3 3 3 3 3 3 3
ADI.............34 35 42 44 52 51 43 41
HAINES INDEX....3 3 3 3 3 3 3 3
VRATE KT-FT/100024 28 35 38 50 48 36 33
CEILING (KFT)...2.0 2.0 2.5 3.5 4.0 4.5 5.0 5.0
TONIGHT
SKY/WEATHER.........CLOUDY (85-95 PERCENT). PATCHY FOG EARLY IN THE
EVENING. PATCHY FOG AFTER MIDNIGHT. SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
CHANCE OF SHOWERS AFTER MIDNIGHT.
CWR.................100 PERCENT DECREASING TO 23 PERCENT UNTIL JUST
AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 63.
MAX HUMIDITY........90 PERCENT.
DEWPOINT............62.
MAX APPARENT TEMP...72.
SURFACE WINDS.......NORTH WINDS AROUND 5 MPH EARLY IN THE EVENING
BECOMING LIGHT, THEN BECOMING NORTH AROUND 5
MPH EARLY IN THE MORNING.
WIND (20 FT)........NORTH WINDS AROUND 5 MPH EARLY IN THE EVENING
BECOMING LIGHT, THEN BECOMING NORTH AROUND 5
MPH EARLY IN THE MORNING. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE
EVENING.
MIXING HEIGHT.......600-2200 FT AGL.
TRANSPORT WINDS.....NORTH 7 TO 10 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (4500-20100 KNOT-FT).
LVORI...............5.
ADI.................26 DECREASING TO 6 UNTIL JUST AFTER MIDNIGHT.
HAINES INDEX........3 VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED
FIRE GROWTH.
CEILING (KFT).......4.0 DECREASING TO 0.8.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........95 95 94 94 95 95 91 89 82 84 86 89
WEATHER COV.....LKY LKY DEF CHC CHC CHC CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........SCH SCH ISO
CWR.............100 100 20 20 20 20 20 20 20 20 20 20
TEMP............72 70 68 68 66 66 65 65 65 65 65 65
DEWPOINT........64 64 64 64 63 63 62 62 62 61 61 61
RH..............76 81 87 87 90 90 90 90 90 87 87 87
HEAT INDEX (F)..72 70 68 68 66 66 65 65 65 65 65 65
20 FT WIND DIR..N N N N N N N N N N N N
20 FT WIND SPD..5 3 3 3 3 3 3 3 3 5 5 5
20 FT WIND GUST.12 10 9 8 8 8 7 7 7 8 8 8
SURFACE WND DIR.N N N N N N N N N N N N
SURFACE WND SPD.5 3 3 3 3 3 3 3 3 5 5 5
SURFACE WND GST.12 10 9 8 8 8 7 7 7 8 8 8
MIX HGT (KFT)...2.2 1.8 1.9 1.0 1.0 0.8 1.0 0.9 1.0 0.6 0.6 0.6
TRANSP WIND DIR.N NE N N N N N N N N N N
TRANSP WIND SPD.10 10 10 9 9 8 9 7 8 9 9 10
LVORI...........3 3 5 5 6 6 6 6 6 5 5 5
ADI.............28 24 5 4 4 4 4 3 4 6 6 8
HAINES INDEX....3 3 3 3 3 3 3 3 3 3 3 3
VRATE KT-FT/100020 16 18 8 8 6 8 6 7 5 5 6
CEILING (KFT)...4.0 4.0 4.0 4.0 3.0 2.0 2.0 1.5 1.0 1.0 1.0 0.8
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). PATCHY FOG EARLY
IN THE MORNING. PATCHY FOG EARLY. SHOWERS
THROUGH THE DAY. ISOLATED THUNDERSTORMS IN THE
MORNING, THEN CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
CWR.................16 PERCENT INCREASING TO 78 PERCENT THROUGH
EARLY AFTERNOON.
MAX TEMPERATURE.....AROUND 74.
MIN HUMIDITY........76 PERCENT.
DEWPOINT............63.
MAX APPARENT TEMP...72.
SURFACE WINDS.......NORTH WINDS AROUND 5 MPH EARLY IN THE MORNING
BECOMING LIGHT, THEN BECOMING NORTHEAST AROUND
5 MPH IN THE LATE MORNING AND AFTERNOON.
WIND (20 FT)........NORTH WINDS AROUND 5 MPH EARLY IN THE MORNING
BECOMING LIGHT, THEN BECOMING NORTHEAST AROUND
5 MPH IN THE LATE MORNING AND AFTERNOON. GUSTY
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
EARLY. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......900-2700 FT AGL INCREASING TO 2700-3100 FT AGL
LATE IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHEAST 12 TO 14 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (9400-37000 KNOT-FT).
LVORI...............4.
ADI.................15 INCREASING TO 41.
HAINES INDEX........3 VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED
FIRE GROWTH.
CEILING (KFT).......0.8 INCREASING TO 2.5.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........89 90 91 87 84 85 85 86 86 82 78 78
WEATHER COV.....CHC CHC LKY LKY LKY DEF DEF DEF DEF LKY LKY DEF
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........ ISO SCH SCH CHC CHC CHC SCH
CWR.............20 20 80 80 80 80 80 80 80 80 80 80
TEMP............63 64 64 66 67 69 70 71 71 72 72 72
DEWPOINT........61 62 62 63 63 64 64 65 65 65 64 64
RH..............93 93 93 90 87 84 81 81 81 79 76 76
HEAT INDEX (F)..63 64 64 66 67 69 70 71 71 72 72 72
20 FT WIND DIR..N N N N NE NE NE NE NE NE NE NE
20 FT WIND SPD..5 5 3 3 5 5 5 5 5 5 5 5
20 FT WIND GUST.9 8 8 9 9 10 10 10 10 10 10 10
SURFACE WND DIR.N N N N NE NE NE NE NE NE NE NE
SURFACE WND SPD.5 5 3 3 5 5 5 5 5 5 5 5
SURFACE WND GST.9 8 8 9 9 10 10 10 10 10 10 10
MIX HGT (KFT)...0.9 1.0 1.2 1.4 1.6 1.8 2.2 2.7 3.1 3.0 2.9 2.7
TRANSP WIND DIR.N N NE NE NE NE NE NE NE NE NE NE
TRANSP WIND SPD.12 13 12 13 13 14 14 14 14 14 14 14
LVORI...........5 5 5 4 4 4 3 3 3 3 3 3
ADI.............12 15 18 23 26 31 37 41 45 44 43 42
HAINES INDEX....3 3 3 3 3 3 3 3 3 3 3 3
VRATE KT-FT/10009 11 12 15 18 21 27 32 37 36 34 33
CEILING (KFT)...0.8 0.8 0.8 1.5 2.0 2.0 2.0 2.5 2.5 2.5 2.5 2.5
FORECASTER...GAUCHER
REQUESTED BY...DEPUTY CHIEF COOK
TYPE OF REQUEST...WILDFIRE
.TAG 2008699.0/BOX
.DELDT 06/29/20
.EMAIL BRIAN@LEVERETTFIRE.COM
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