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

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FNCA52 TJSJ 210756
FWFSJU

Fire Weather Planning Forecast for PUERTO RICO
National Weather Service SAN JUAN PR
356 AM AST Sat Oct 21 2017

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

PRZ014-220800-
Southeast Coastal Plains-
356 AM AST Sat Oct 21 2017

                      Today        Tonight      Sun

CLOUD COVER           MClear       MClear       MClear
PRECIP TYPE           showers      NONE         showers
CHANCE PRECIP (%)     0            0            10
TEMP (24H TREND)      90 (0)       69 (-5)      88
RH % (24H TREND)      57 (+3)      86 (-1)      57
20FTWND-VAL/AM(MPH)   E 11                      E 11
20FTWND-RDG/PM(MPH)   E 13         NE 10        E 12
MIXING HGT(FT-AGL/MSL)6229                      5857
TRANSPORT WND (MPH)   E 18                      E 18
VENT RATE (KT-FT)     110286                    96951
DISPERSION            5                         5
DSI                   6            5            6
LAL                   1            1            1
HAINES INDEX          3            4            3

Remarks...None.

$$

PRZ015-220800-
Southern Hills-
356 AM AST Sat Oct 21 2017

                      Today        Tonight      Sun

CLOUD COVER           MClear       MClear       MClear
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     10           10           20
TEMP (24H TREND)      88 (+2)      66 (-6)      85
RH % (24H TREND)      57 (+1)      91 (+2)      58
20FTWND-VAL/AM(MPH)   E 10                      E 11
20FTWND-RDG/PM(MPH)   E 11         E  9         E 11
MIXING HGT(FT-AGL/MSL)6406                      5952
TRANSPORT WND (MPH)   E 17                      E 16
VENT RATE (KT-FT)     108902                    87225
DISPERSION            5                         5
DSI                   6            4            6
LAL                   1            1            1
HAINES INDEX          3            4            3

Remarks...None.

$$

PRZ016-220800-
North Coastal Plains-
356 AM AST Sat Oct 21 2017

                      Today        Tonight      Sun

CLOUD COVER           MClear       MClear       MClear
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     20           20           10
TEMP (24H TREND)      90 (0)       70 (-7)      88
RH % (24H TREND)      58 (+1)      87 (-1)      60
20FTWND-VAL/AM(MPH)   E 10                      E  9
20FTWND-RDG/PM(MPH)   E 14         E 10         E 13
MIXING HGT(FT-AGL/MSL)6083                      5632
TRANSPORT WND (MPH)   E 17                      E 17
VENT RATE (KT-FT)     93728                     86672
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          4            5            3

Remarks...None.

$$

PRZ017-220800-
Northern Hills-
356 AM AST Sat Oct 21 2017

                      Today        Tonight      Sun

CLOUD COVER           MClear       MClear       MClear
PRECIP TYPE           showers      NONE         showers
CHANCE PRECIP (%)     20           0            20
TEMP (24H TREND)      89 (-1)      67 (-5)      85
RH % (24H TREND)      58 (+6)      89 (-4)      60
20FTWND-VAL/AM(MPH)   E  9                      E  9
20FTWND-RDG/PM(MPH)   E 12         E  8         E 12
MIXING HGT(FT-AGL/MSL)6668                      5730
TRANSPORT WND (MPH)   E 15                      E 17
VENT RATE (KT-FT)     94592                     85950
DISPERSION            5                         5
DSI                   6            5            6
LAL                   1            1            1
HAINES INDEX          3            4            3

Remarks...None.

$$

PRZ018-220800-
West Coast-
356 AM AST Sat Oct 21 2017

                      Today        Tonight      Sun

CLOUD COVER           MClear       MClear       MClear
PRECIP TYPE           showers      NONE         showers
CHANCE PRECIP (%)     20           0            30
TEMP (24H TREND)      88 (-3)      68 (-6)      88
RH % (24H TREND)      55 (+4)      87 (-1)      57
20FTWND-VAL/AM(MPH)   E 10                      E  9
20FTWND-RDG/PM(MPH)   E 11         E  8         E  9
MIXING HGT(FT-AGL/MSL)6646                      5918
TRANSPORT WND (MPH)   E 15                      E 14
VENT RATE (KT-FT)     102080                    82852
DISPERSION            5                         5
DSI                   6            5            6
LAL                   1            1            1
HAINES INDEX          3            4            3

Remarks...None.

$$

PRZ019-220800-
Eastern Interior-
356 AM AST Sat Oct 21 2017

                      Today        Tonight      Sun

CLOUD COVER           MClear       MClear       MClear
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     10           10           10
TEMP (24H TREND)      89 (+1)      66 (-8)      86
RH % (24H TREND)      60 (+2)      93 (+2)      62
20FTWND-VAL/AM(MPH)   E  9                      E  8
20FTWND-RDG/PM(MPH)   E 11         E  7         E 11
MIXING HGT(FT-AGL/MSL)6305                      5819
TRANSPORT WND (MPH)   E 17                      E 17
VENT RATE (KT-FT)     95072                     87270
DISPERSION            5                         5
DSI                   6            4            6
LAL                   1            1            1
HAINES INDEX          3            4            3

Remarks...None.

$$

PRZ022-220800-
Luquillo Mountain Range-
356 AM AST Sat Oct 21 2017

                      Today        Tonight      Sun

CLOUD COVER           MClear       MClear       MClear
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     20           10           10
TEMP (24H TREND)      85 (+2)      67 (-7)      82
RH % (24H TREND)      71 (+5)      89 (-1)      70
20FTWND-VAL/AM(MPH)   E 10                      E 10
20FTWND-RDG/PM(MPH)   E 11         E  8         E 11
MIXING HGT(FT-AGL/MSL)4268                      4351
TRANSPORT WND (MPH)   E 16                      E 16
VENT RATE (KT-FT)     64020                     65265
DISPERSION            5                         5
DSI                   6            5            6
LAL                   1            1            1
HAINES INDEX          4            4            3

Remarks...None.

$$

PRZ023-220800-
Central Mountain Range-
356 AM AST Sat Oct 21 2017

                      Today        Tonight      Sun

CLOUD COVER           MClear       MClear       MClear
PRECIP TYPE           showers      NONE         showers
CHANCE PRECIP (%)     20           0            30
TEMP (24H TREND)      87 (+2)      64 (-5)      85
RH % (24H TREND)      57 (+2)      92 (-1)      59
20FTWND-VAL/AM(MPH)   E 10                      E 10
20FTWND-RDG/PM(MPH)   E 10         E  8         E 10
MIXING HGT(FT-AGL/MSL)6832                      5879
TRANSPORT WND (MPH)   E 15                      E 15
VENT RATE (KT-FT)     93380                     82920
DISPERSION            5                         5
DSI                   5            3            5
LAL                   1            1            1
HAINES INDEX          3            4            3

Remarks...None.

$$

PRZ024-220800-
Cayey Mountain Range-
356 AM AST Sat Oct 21 2017

                      Today        Tonight      Sun

CLOUD COVER           MClear       MClear       MClear
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     10           10           10
TEMP (24H TREND)      85 (+2)      66 (-7)      82
RH % (24H TREND)      67 (+3)      94 (+1)      68
20FTWND-VAL/AM(MPH)   E  9                      E  9
20FTWND-RDG/PM(MPH)   E 12         E  8         E 11
MIXING HGT(FT-AGL/MSL)4984                      4921
TRANSPORT WND (MPH)   E 17                      E 17
VENT RATE (KT-FT)     76864                     76736
DISPERSION            5                         5
DSI                   6            4            6
LAL                   1            1            1
HAINES INDEX          3            4            3

Remarks...None.

$$

PRZ025-220800-
Vieques-
356 AM AST Sat Oct 21 2017

                      Today        Tonight      Sun

CLOUD COVER           MClear       MClear       MClear
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     20           10           10
TEMP (24H TREND)      90 (+1)      75 (-6)      86
RH % (24H TREND)      69 (+7)      79 (-2)      69
20FTWND-VAL/AM(MPH)   E 13                      E 12
20FTWND-RDG/PM(MPH)   E 13         E 13         E 12
MIXING HGT(FT-AGL/MSL)4198                      4174
TRANSPORT WND (MPH)   E 21                      E 17
VENT RATE (KT-FT)     75564                     66784
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          4            5            4

Remarks...None.

$$

PRZ026-220800-
Culebra-
356 AM AST Sat Oct 21 2017

                      Today        Tonight      Sun

CLOUD COVER           MClear       MClear       MClear
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     20           10           10
TEMP (24H TREND)      89 (+2)      77 (-5)      86
RH % (24H TREND)      71 (+5)      77 (-2)      69
20FTWND-VAL/AM(MPH)   E 14                      E 13
20FTWND-RDG/PM(MPH)   E 14         E 15         E 14
MIXING HGT(FT-AGL/MSL)4161                      4127
TRANSPORT WND (MPH)   E 18                      E 17
VENT RATE (KT-FT)     66576                     61905
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          4            5            4

Remarks...None.

$$

PRZ027-220800-
Southwest Coastal Plains and Mona Island-
356 AM AST Sat Oct 21 2017

                      Today        Tonight      Sun

CLOUD COVER           Clear        MClear       MClear
PRECIP TYPE           showers      NONE         showers
CHANCE PRECIP (%)     10           0            20
TEMP (24H TREND)      90 (0)       69 (-6)      88
RH % (24H TREND)      52 (-1)      86 (+2)      53
20FTWND-VAL/AM(MPH)   E 12                      E 12
20FTWND-RDG/PM(MPH)   E 14         E 10         E 14
MIXING HGT(FT-AGL/MSL)6558                      6179
TRANSPORT WND (MPH)   E 20                      E 16
VENT RATE (KT-FT)     115596                    97728
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          3            4            3

Remarks...None.

$$

VIZ001-220800-
Saint Thomas and Saint John-
356 AM AST Sat Oct 21 2017

                      Today        Tonight      Sun

CLOUD COVER           MClear       MClear       MClear
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     20           20           10
TEMP (24H TREND)      90 (+1)      77 (-3)      84
RH % (24H TREND)      70 (+8)      78 (-2)      67
20FTWND-VAL/AM(MPH)   E 14                      E 13
20FTWND-RDG/PM(MPH)   E 14         E 14         E 14
MIXING HGT(FT-AGL/MSL)3799                      4173
TRANSPORT WND (MPH)   E 18                      E 21
VENT RATE (KT-FT)     60784                     75114
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          4            5            4

Remarks...None.

$$

VIZ002-220800-
St Croix-
356 AM AST Sat Oct 21 2017

                      Today        Tonight      Sun

CLOUD COVER           MClear       MClear       MClear
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     20           10           10
TEMP (24H TREND)      92 (+2)      74 (-6)      89
RH % (24H TREND)      69 (+9)      84 (+1)      68
20FTWND-VAL/AM(MPH)   E 14                      E 13
20FTWND-RDG/PM(MPH)   E 14         E 14         E 13
MIXING HGT(FT-AGL/MSL)4249                      4240
TRANSPORT WND (MPH)   E 20                      E 21
VENT RATE (KT-FT)     76482                     80560
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          4            5            4

Remarks...None.

$$

.FORECAST FOR DAYS 3 THROUGH 7...

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

$$



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