Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS San Juan, PR

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FNCA52 TJSJ 170740
FWFSJU

Fire Weather Planning Forecast for PUERTO RICO
National Weather Service SAN JUAN PR
340 AM AST Tue Oct 17 2017

.DISCUSSION...
A Moist southerly flow will continue to aid in the development of
showers and thunderstorms across portions of the islands tonight
and tomorrow. Since the soils are already saturated throughout
these areas, fire weather concerns remain very low.

PRZ014-180745-
Southeast Coastal Plains-
340 AM AST Tue Oct 17 2017

                      Today        Tonight      Wed

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           tstms        tstms        tstms
CHANCE PRECIP (%)     50           50           30
TEMP (24H TREND)      88 (+2)      76 (-2)      85
RH % (24H TREND)      67 (-4)      94 (+4)      68
20FTWND-VAL/AM(MPH)   E 10                      E  9
20FTWND-RDG/PM(MPH)   E 10         E  6         E  9
MIXING HGT(FT-AGL/MSL)4100                      3500
TRANSPORT WND (MPH)   SE 18                     SE 20
VENT RATE (KT-FT)     66300                     66300
DISPERSION            5                         5
DSI                   6            5            6
LAL                   3            3            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ015-180745-
Southern Hills-
340 AM AST Tue Oct 17 2017

                      Today        Tonight      Wed

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           tstms        tstms        tstms
CHANCE PRECIP (%)     40           40           30
TEMP (24H TREND)      86 (+3)      72 (-2)      83
RH % (24H TREND)      68 (-5)      98 (+4)      71
20FTWND-VAL/AM(MPH)   E  9                      E  8
20FTWND-RDG/PM(MPH)   SE  9        E  5         SE  8
MIXING HGT(FT-AGL/MSL)4200                      3900
TRANSPORT WND (MPH)   SE 16                     SE 17
VENT RATE (KT-FT)     72000                     64600
DISPERSION            5                         5
DSI                   5            4            5
LAL                   3            3            3
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ016-180745-
North Coastal Plains-
340 AM AST Tue Oct 17 2017

                      Today        Tonight      Wed

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           tstms        tstms        tstms
CHANCE PRECIP (%)     50           50           50
TEMP (24H TREND)      89 (+1)      77 (-2)      88
RH % (24H TREND)      64 (-2)      93 (+4)      62
20FTWND-VAL/AM(MPH)   E  9                      E  9
20FTWND-RDG/PM(MPH)   E 10         E  7         SE  9
MIXING HGT(FT-AGL/MSL)4100                      4000
TRANSPORT WND (MPH)   SE 17                     SE 18
VENT RATE (KT-FT)     59500                     59500
DISPERSION            5                         5
DSI                   6            5            6
LAL                   3            3            3
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ017-180745-
Northern Hills-
340 AM AST Tue Oct 17 2017

                      Today        Tonight      Wed

CLOUD COVER           PCldy        MClear       PCldy
PRECIP TYPE           tstms        showers      tstms
CHANCE PRECIP (%)     50           50           50
TEMP (24H TREND)      89 (+1)      73 (-2)      87
RH % (24H TREND)      60 (-3)      97 (+4)      61
20FTWND-VAL/AM(MPH)   E  7                      E  7
20FTWND-RDG/PM(MPH)   E  7         Lgt/Var      SE  8
MIXING HGT(FT-AGL/MSL)4900                      3900
TRANSPORT WND (MPH)   SE 14                     SE 16
VENT RATE (KT-FT)     61200                     51800
DISPERSION            5                         5
DSI                   5            4            5
LAL                   3            3            3
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ018-180745-
West Coast-
340 AM AST Tue Oct 17 2017

                      Today        Tonight      Wed

CLOUD COVER           PCldy        MClear       MCldy
PRECIP TYPE           tstms        tstms        tstms
CHANCE PRECIP (%)     30           30           20
TEMP (24H TREND)      89 (+1)      76 (-2)      87
RH % (24H TREND)      63 (-2)      90 (+3)      65
20FTWND-VAL/AM(MPH)   E  9                      SE  9 G17
20FTWND-RDG/PM(MPH)   SE  9        E  6         SE 10
MIXING HGT(FT-AGL/MSL)3900                      3500
TRANSPORT WND (MPH)   SE 15                     SE 18
VENT RATE (KT-FT)     75600                     64800
DISPERSION            5                         5
DSI                   6            5            6
LAL                   3            3            3
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ019-180745-
Eastern Interior-
340 AM AST Tue Oct 17 2017

                      Today        Tonight      Wed

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           tstms        tstms        tstms
CHANCE PRECIP (%)     60           60           30
TEMP (24H TREND)      86 (+1)      72 (-3)      84
RH % (24H TREND)      70 (-2)      99 (+5)      71
20FTWND-VAL/AM(MPH)   E  9                      SE  8
20FTWND-RDG/PM(MPH)   SE  9        SE  6        SE  9
MIXING HGT(FT-AGL/MSL)4300                      3700
TRANSPORT WND (MPH)   SE 17                     SE 18
VENT RATE (KT-FT)     64800                     52500
DISPERSION            5                         5
DSI                   6            5            5
LAL                   3            3            3
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ022-180745-
Luquillo Mountain Range-
340 AM AST Tue Oct 17 2017

                      Today        Tonight      Wed

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           tstms        tstms        tstms
CHANCE PRECIP (%)     60           60           30
TEMP (24H TREND)      82 (+2)      69 (-5)      81
RH % (24H TREND)      78 (-2)      99 (+3)      78
20FTWND-VAL/AM(MPH)   E 10                      SE  9
20FTWND-RDG/PM(MPH)   SE 10        SE  8        SE 10
MIXING HGT(FT-AGL/MSL)3000                      2500
TRANSPORT WND (MPH)   SE 16                     SE 17
VENT RATE (KT-FT)     54400                     34000
DISPERSION            5                         5
DSI                   6            6            6
LAL                   3            3            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ023-180745-
Central Mountain Range-
340 AM AST Tue Oct 17 2017

                      Today        Tonight      Wed

CLOUD COVER           PCldy        MClear       MCldy
PRECIP TYPE           tstms        showers      tstms
CHANCE PRECIP (%)     50           50           40
TEMP (24H TREND)      87 (+4)      68 (-2)      84
RH % (24H TREND)      61 (-10)     99 (+2)      66
20FTWND-VAL/AM(MPH)   SE  8                     SE  7
20FTWND-RDG/PM(MPH)   SE  8        Lgt/Var      SE  8
MIXING HGT(FT-AGL/MSL)5000                      3800
TRANSPORT WND (MPH)   SE 14                     SE 15
VENT RATE (KT-FT)     61100                     41000
DISPERSION            5                         5
DSI                   5            3            5
LAL                   3            3            3
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ024-180745-
Cayey Mountain Range-
340 AM AST Tue Oct 17 2017

                      Today        Tonight      Wed

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           tstms        tstms        tstms
CHANCE PRECIP (%)     60           60           30
TEMP (24H TREND)      83 (+2)      70 (-3)      80
RH % (24H TREND)      76 (-2)      100 (+3)     77
20FTWND-VAL/AM(MPH)   E  9                      SE  8
20FTWND-RDG/PM(MPH)   E  9         E  6         SE  8
MIXING HGT(FT-AGL/MSL)3100                      2700
TRANSPORT WND (MPH)   E 16                      SE 15
VENT RATE (KT-FT)     51000                     29400
DISPERSION            5                         5
DSI                   6            4            5
LAL                   3            3            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ025-180745-
Vieques-
340 AM AST Tue Oct 17 2017

                      Today        Tonight      Wed

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           tstms        tstms        tstms
CHANCE PRECIP (%)     40           50           30
TEMP (24H TREND)      85 (+1)      80 (-2)      84
RH % (24H TREND)      77 (-1)      85 (+1)      74
20FTWND-VAL/AM(MPH)   E 13                      SE 15
20FTWND-RDG/PM(MPH)   E 12         E 11         SE 13
MIXING HGT(FT-AGL/MSL)2900                      2600
TRANSPORT WND (MPH)   E 20                      SE 21
VENT RATE (KT-FT)     43200                     32300
DISPERSION            5                         5
DSI                   6            6            6
LAL                   3            3            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ026-180745-
Culebra-
340 AM AST Tue Oct 17 2017

                      Today        Tonight      Wed

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           tstms        tstms        tstms
CHANCE PRECIP (%)     40           50           30
TEMP (24H TREND)      85 (0)       81 (-1)      85
RH % (24H TREND)      78 (-1)      85 (0)       74
20FTWND-VAL/AM(MPH)   E 15                      SE 16
20FTWND-RDG/PM(MPH)   E 13         SE 14        SE 15
MIXING HGT(FT-AGL/MSL)1900                      2100
TRANSPORT WND (MPH)   E 21                      E 24
VENT RATE (KT-FT)     30600                     32300
DISPERSION            5                         5
DSI                   6            6            6
LAL                   3            3            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ027-180745-
Southwest Coastal Plains and Mona Island-
340 AM AST Tue Oct 17 2017

                      Today        Tonight      Wed

CLOUD COVER           PCldy        MClear       PCldy
PRECIP TYPE           tstms        tstms        tstms
CHANCE PRECIP (%)     30           30           20
TEMP (24H TREND)      88 (+1)      77 (-2)      85
RH % (24H TREND)      68 (-1)      91 (+5)      68
20FTWND-VAL/AM(MPH)   E 12 G19                  E 12 G20
20FTWND-RDG/PM(MPH)   SE 12 G19    E  9         E 13 G20
MIXING HGT(FT-AGL/MSL)3900                      3700
TRANSPORT WND (MPH)   SE 21                     SE 23
VENT RATE (KT-FT)     74100                     73800
DISPERSION            5                         5
DSI                   6            6            6
LAL                   3            3            2
HAINES INDEX          3            3            3

Remarks...None.


$$

VIZ001-180745-
Saint Thomas and Saint John-
340 AM AST Tue Oct 17 2017

                      Today        Tonight      Wed

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           tstms        tstms        tstms
CHANCE PRECIP (%)     30           50           30
TEMP (24H TREND)      84 (+1)      79 (-3)      84
RH % (24H TREND)      79 (0)       86 (+1)      73
20FTWND-VAL/AM(MPH)   E 15                      SE 17
20FTWND-RDG/PM(MPH)   E 14         E 15         E 16
MIXING HGT(FT-AGL/MSL)2200                      2400
TRANSPORT WND (MPH)   E 22                      SE 22
VENT RATE (KT-FT)     39900                     44000
DISPERSION            5                         5
DSI                   6            6            6
LAL                   2            3            2
HAINES INDEX          3            3            3

Remarks...None.


$$

VIZ002-180745-
St Croix-
340 AM AST Tue Oct 17 2017

                      Today        Tonight      Wed

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           tstms        tstms        tstms
CHANCE PRECIP (%)     30           50           30
TEMP (24H TREND)      86 (-1)      81 (-1)      85
RH % (24H TREND)      73 (+2)      84 (0)       72
20FTWND-VAL/AM(MPH)   E 14                      E 16
20FTWND-RDG/PM(MPH)   SE 13        E 13         E 15
MIXING HGT(FT-AGL/MSL)3300                      2800
TRANSPORT WND (MPH)   E 24                      SE 25
VENT RATE (KT-FT)     74000                     23000
DISPERSION            5                         5
DSI                   6            6            6
LAL                   2            3            2
HAINES INDEX          3            3            3

Remarks...None.


$$


.FORECAST FOR DAYS 3 THROUGH 7...

.THURSDAY...ISOLATED SHOWERS AND THUNDERSTORMS. LOWS IN THE MID
80S. HIGHS IN THE MID 80S. EAST WINDS 5 TO 20 MPH.
.FRIDAY...LOWS IN THE MID 80S. HIGHS IN THE MID 80S. EAST WINDS
AROUND 20 MPH.
.SATURDAY...LOWS IN THE MID 80S. HIGHS IN THE MID 80S. EAST WINDS
AROUND 15 MPH.
.SUNDAY...LOWS IN THE LOWER 80S. HIGHS IN THE MID 80S. EAST WINDS
AROUND 15 MPH.
.MONDAY...LOWS IN THE LOWER 80S. HIGHS IN THE MID 80S. EAST WINDS
AROUND 15 MPH.

$$


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