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

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682
FNCA52 TJSJ 202030
FWFSJU

Fire Weather Planning Forecast for PUERTO RICO
National Weather Service SAN JUAN PR
430 PM AST Fri Oct 20 2017

.DISCUSSION...Although a dry and stable air mass will
continue to prevail across the forecast area, the fire
danger will remain low due to saturated soils across
the isles.

PRZ014-210830-
Southeast Coastal Plains-
430 PM AST Fri Oct 20 2017

                      Tonight      Sat          Sat Night    Sun

CLOUD COVER           MClear       MClear       MClear       MClear
PRECIP TYPE           showers      showers      NONE         showers
CHANCE PRECIP (%)     0            10           0            10
TEMP (24H TREND)      72 (-4)      90 (+1)      72           88
RH % (24H TREND)      89 (+1)      49 (-6)      86           54
20FTWND-VAL/AM(MPH)                E 12                      E 13
20FTWND-RDG/PM(MPH)   NE  9        E 13         NE 11        E 14
MIXING HGT(FT-AGL/MSL)             7798                      7072
TRANSPORT WND (MPH)                E 20                      E 20
VENT RATE (KT-FT)                  131852                    118226
DISPERSION                         5                         5
DSI                   6            6            6            6
LAL                   1            1            1            1
HAINES INDEX          2            2            2            2

Remarks...None.


$$

PRZ015-210830-
Southern Hills-
430 PM AST Fri Oct 20 2017

                      Tonight      Sat          Sat Night    Sun

CLOUD COVER           Clear        MClear       MClear       MClear
PRECIP TYPE           showers      showers      showers      showers
CHANCE PRECIP (%)     0            10           10           20
TEMP (24H TREND)      69 (-4)      88 (+3)      69           85
RH % (24H TREND)      93 (+2)      49 (-8)      91           57
20FTWND-VAL/AM(MPH)                E 11                      E 13
20FTWND-RDG/PM(MPH)   E  9         E 12         E 10         E 12
MIXING HGT(FT-AGL/MSL)             7840                      7301
TRANSPORT WND (MPH)                E 18                      E 18
VENT RATE (KT-FT)                  127461                    114923
DISPERSION                         5                         5
DSI                   6            6            6            6
LAL                   1            1            1            1
HAINES INDEX          2            2            2            2

Remarks...None.


$$

PRZ016-210830-
North Coastal Plains-
430 PM AST Fri Oct 20 2017

                      Tonight      Sat          Sat Night    Sun

CLOUD COVER           Clear        MClear       MClear       MClear
PRECIP TYPE           showers      showers      showers      showers
CHANCE PRECIP (%)     0            20           20           10
TEMP (24H TREND)      72 (-5)      90 (+1)      73           88
RH % (24H TREND)      93 (+6)      51 (-7)      87           56
20FTWND-VAL/AM(MPH)                E 10                      E 12
20FTWND-RDG/PM(MPH)   E 10         E 14         E 11         E 14
MIXING HGT(FT-AGL/MSL)             7654                      7421
TRANSPORT WND (MPH)                E 18                      E 18
VENT RATE (KT-FT)                  120818                    116985
DISPERSION                         5                         5
DSI                   6            6            6            6
LAL                   1            1            1            1
HAINES INDEX          2            2            3            2

Remarks...None.


$$

PRZ017-210830-
Northern Hills-
430 PM AST Fri Oct 20 2017

                      Tonight      Sat          Sat Night    Sun

CLOUD COVER           Clear        MClear       MClear       MClear
PRECIP TYPE           NONE         showers      NONE         showers
CHANCE PRECIP (%)     0            20           0            20
TEMP (24H TREND)      69 (-3)      89 (0)       70           85
RH % (24H TREND)      95 (+2)      46 (-7)      89           59
20FTWND-VAL/AM(MPH)                E 10                      E 11
20FTWND-RDG/PM(MPH)   E  8         E 13         E  9         E 13
MIXING HGT(FT-AGL/MSL)             7894                      7318
TRANSPORT WND (MPH)                E 17                      E 17
VENT RATE (KT-FT)                  120378                    110309
DISPERSION                         5                         5
DSI                   6            6            6            6
LAL                   1            1            1            1
HAINES INDEX          2            2            3            2

Remarks...None.


$$

PRZ018-210830-
West Coast-
430 PM AST Fri Oct 20 2017

                      Tonight      Sat          Sat Night    Sun

CLOUD COVER           Clear        MClear       MClear       MClear
PRECIP TYPE           NONE         showers      NONE         showers
CHANCE PRECIP (%)     0            20           0            30
TEMP (24H TREND)      71 (-3)      88 (-2)      71           88
RH % (24H TREND)      92 (+4)      50 (-2)      87           53
20FTWND-VAL/AM(MPH)                E 11                      E 11
20FTWND-RDG/PM(MPH)   E 10         E 12         E 10         E 11
MIXING HGT(FT-AGL/MSL)             7950                      7353
TRANSPORT WND (MPH)                E 15                      E 14
VENT RATE (KT-FT)                  122718                    98641
DISPERSION                         5                         5
DSI                   6            6            6            6
LAL                   1            1            1            1
HAINES INDEX          2            2            2            2

Remarks...None.


$$

PRZ019-210830-
Eastern Interior-
430 PM AST Fri Oct 20 2017

                      Tonight      Sat          Sat Night    Sun

CLOUD COVER           MClear       MClear       MClear       MClear
PRECIP TYPE           showers      showers      showers      showers
CHANCE PRECIP (%)     0            10           10           10
TEMP (24H TREND)      70 (-5)      89 (+2)      69           86
RH % (24H TREND)      96 (+5)      50 (-9)      93           58
20FTWND-VAL/AM(MPH)                E 10                      E 11
20FTWND-RDG/PM(MPH)   E  7         E 12         E  8         E 12
MIXING HGT(FT-AGL/MSL)             8059                      7394
TRANSPORT WND (MPH)                E 18                      E 18
VENT RATE (KT-FT)                  122790                    118667
DISPERSION                         5                         5
DSI                   6            6            6            6
LAL                   1            1            1            1
HAINES INDEX          2            2            2            2

Remarks...None.


$$

PRZ022-210830-
Luquillo Mountain Range-
430 PM AST Fri Oct 20 2017

                      Tonight      Sat          Sat Night    Sun

CLOUD COVER           MClear       MClear       MClear       MClear
PRECIP TYPE           showers      showers      showers      showers
CHANCE PRECIP (%)     10           10           10           10
TEMP (24H TREND)      71 (-3)      85 (+3)      70           82
RH % (24H TREND)      92 (+2)      57 (-10)     89           66
20FTWND-VAL/AM(MPH)                E 11                      E 12
20FTWND-RDG/PM(MPH)   E  8         E 12         E  9         E 12
MIXING HGT(FT-AGL/MSL)             6860                      6589
TRANSPORT WND (MPH)                E 20                      E 18
VENT RATE (KT-FT)                  116105                    103240
DISPERSION                         5                         5
DSI                   6            6            6            6
LAL                   1            1            1            1
HAINES INDEX          2            3            3            2

Remarks...None.


$$

PRZ023-210830-
Central Mountain Range-
430 PM AST Fri Oct 20 2017

                      Tonight      Sat          Sat Night    Sun

CLOUD COVER           Clear        MClear       MClear       MClear
PRECIP TYPE           NONE         showers      NONE         showers
CHANCE PRECIP (%)     0            20           0            30
TEMP (24H TREND)      67 (-2)      87 (+3)      67           85
RH % (24H TREND)      97 (+2)      47 (-9)      92           55
20FTWND-VAL/AM(MPH)                E 10                      E 12
20FTWND-RDG/PM(MPH)   E  8         E 11         E  9         E 11
MIXING HGT(FT-AGL/MSL)             8518                      7435
TRANSPORT WND (MPH)                E 17                      E 16
VENT RATE (KT-FT)                  119233                    98962
DISPERSION                         5                         5
DSI                   6            6            6            6
LAL                   1            1            1            1
HAINES INDEX          2            2            3            2

Remarks...None.


$$

PRZ024-210830-
Cayey Mountain Range-
430 PM AST Fri Oct 20 2017

                      Tonight      Sat          Sat Night    Sun

CLOUD COVER           MClear       MClear       MClear       MClear
PRECIP TYPE           showers      showers      showers      showers
CHANCE PRECIP (%)     0            10           10           10
TEMP (24H TREND)      70 (-3)      85 (+3)      69           82
RH % (24H TREND)      97 (+5)      56 (-9)      94           63
20FTWND-VAL/AM(MPH)                E 10                      E 12
20FTWND-RDG/PM(MPH)   E  7         E 12         E  8         E 12
MIXING HGT(FT-AGL/MSL)             7032                      6700
TRANSPORT WND (MPH)                E 21                      E 20
VENT RATE (KT-FT)                  122905                    108092
DISPERSION                         5                         5
DSI                   6            6            6            6
LAL                   1            1            1            1
HAINES INDEX          2            2            2            2

Remarks...None.


$$

PRZ025-210830-
Vieques-
430 PM AST Fri Oct 20 2017

                      Tonight      Sat          Sat Night    Sun

CLOUD COVER           MClear       MClear       MClear       MClear
PRECIP TYPE           showers      showers      showers      showers
CHANCE PRECIP (%)     10           10           10           10
TEMP (24H TREND)      77 (-4)      90 (+2)      78           86
RH % (24H TREND)      85 (+5)      54 (-9)      79           61
20FTWND-VAL/AM(MPH)                E 14                      E 16
20FTWND-RDG/PM(MPH)   E 13         E 14         E 15         E 14
MIXING HGT(FT-AGL/MSL)             6900                      6667
TRANSPORT WND (MPH)                E 21                      E 20
VENT RATE (KT-FT)                  122277                    112694
DISPERSION                         5                         5
DSI                   6            6            6            6
LAL                   1            1            1            1
HAINES INDEX          2            2            2            2

Remarks...None.


$$

PRZ026-210830-
Culebra-
430 PM AST Fri Oct 20 2017

                      Tonight      Sat          Sat Night    Sun

CLOUD COVER           MClear       MClear       MClear       MClear
PRECIP TYPE           showers      showers      showers      showers
CHANCE PRECIP (%)     20           20           10           10
TEMP (24H TREND)      80 (-2)      89 (+3)      80           86
RH % (24H TREND)      80 (+1)      56 (-10)     77           61
20FTWND-VAL/AM(MPH)                E 14                      E 15
20FTWND-RDG/PM(MPH)   E 14         E 14         E 15         E 14
MIXING HGT(FT-AGL/MSL)             6635                      6481
TRANSPORT WND (MPH)                E 21                      E 21
VENT RATE (KT-FT)                  119801                    114120
DISPERSION                         5                         5
DSI                   6            6            6            6
LAL                   1            1            1            1
HAINES INDEX          2            3            2            2

Remarks...None.


$$

PRZ027-210830-
Southwest Coastal Plains and Mona Island-
430 PM AST Fri Oct 20 2017

                      Tonight      Sat          Sat Night    Sun

CLOUD COVER           Clear        Clear        MClear       MClear
PRECIP TYPE           NONE         showers      NONE         showers
CHANCE PRECIP (%)     0            10           0            20
TEMP (24H TREND)      71 (-6)      90 (+1)      72           88
RH % (24H TREND)      88 (+4)      47 (-7)      86           52
20FTWND-VAL/AM(MPH)                E 13                      E 14
20FTWND-RDG/PM(MPH)   E 12         E 14         E 12         E 15
MIXING HGT(FT-AGL/MSL)             7893                      7207
TRANSPORT WND (MPH)                E 18                      E 17
VENT RATE (KT-FT)                  130408                    109728
DISPERSION                         5                         5
DSI                   6            6            6            6
LAL                   1            1            1            1
HAINES INDEX          2            2            2            2

Remarks...None.


$$

VIZ001-210830-
Saint Thomas and Saint John-
430 PM AST Fri Oct 20 2017

                      Tonight      Sat          Sat Night    Sun

CLOUD COVER           MClear       MClear       MClear       MClear
PRECIP TYPE           showers      showers      showers      showers
CHANCE PRECIP (%)     20           20           20           10
TEMP (24H TREND)      78 (-3)      90 (+2)      79           84
RH % (24H TREND)      83 (+3)      52 (-10)     78           64
20FTWND-VAL/AM(MPH)                E 14                      E 16
20FTWND-RDG/PM(MPH)   E 14         E 14         E 15         E 14
MIXING HGT(FT-AGL/MSL)             6816                      6321
TRANSPORT WND (MPH)                E 21                      E 21
VENT RATE (KT-FT)                  127172                    115377
DISPERSION                         5                         5
DSI                   6            6            6            6
LAL                   1            1            1            1
HAINES INDEX          2            3            2            2

Remarks...None.


$$

VIZ002-210830-
St Croix-
430 PM AST Fri Oct 20 2017

                      Tonight      Sat          Sat Night    Sun

CLOUD COVER           MClear       MClear       MClear       MClear
PRECIP TYPE           showers      showers      showers      showers
CHANCE PRECIP (%)     20           20           10           10
TEMP (24H TREND)      75 (-5)      92 (+3)      76           89
RH % (24H TREND)      87 (+4)      50 (-11)     84           56
20FTWND-VAL/AM(MPH)                E 15                      E 17
20FTWND-RDG/PM(MPH)   E 14         E 15         E 16         E 15
MIXING HGT(FT-AGL/MSL)             7907                      6336
TRANSPORT WND (MPH)                E 23                      E 20
VENT RATE (KT-FT)                  155124                    109271
DISPERSION                         5                         5
DSI                   6            6            6            6
LAL                   1            1            1            1
HAINES INDEX          2            2            2            2

Remarks...None.


$$


.FORECAST FOR DAYS 3 THROUGH 7...

.MONDAY...MOSTLY CLEAR. ISOLATED SHOWERS. LOWS IN THE MID 70S.
HIGHS IN THE UPPER 80S. EAST WINDS AROUND 10 MPH.
.TUESDAY...MOSTLY CLEAR. LOWS IN THE LOWER 70S. HIGHS IN THE
UPPER 80S. NORTHEAST WINDS AROUND 5 MPH.
.WEDNESDAY...PARTLY CLOUDY. LOWS IN THE LOWER 70S. HIGHS IN THE
UPPER 80S. NORTHEAST WINDS AROUND 5 MPH.
.THURSDAY...PARTLY CLOUDY. LOWS IN THE LOWER 70S. HIGHS IN THE
UPPER 80S. EAST WINDS AROUND 5 MPH.
.FRIDAY...PARTLY CLOUDY. LOWS IN THE LOWER 70S. HIGHS IN THE MID
80S. NORTHEAST WINDS AROUND 5 MPH.

$$



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