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

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FNCA52 TJSJ 170956
FWFSJU

Fire Weather Planning Forecast for PUERTO RICO
National Weather Service SAN JUAN PR
556 AM AST Sun Dec 17 2017

.DISCUSSION...
A mid to upper level ridge is forecast to dominate the local
weather conditions until mid-week. However, a surge of moisture
will bring clouds and showers across the islands. The winds will
be from the northeast at 10 to 20 mph. The risk of fire weather
will continue low today.

PRZ014-181000-
Southeast Coastal Plains-
556 AM AST Sun Dec 17 2017

                      Today        Tonight      Mon

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     10           20           30
TEMP (24H TREND)      86 (+1)      69 (-2)      87
RH % (24H TREND)      55 (-5)      98 (+5)      58
20FTWND-VAL/AM(MPH)   NE  9                     NE  9
20FTWND-RDG/PM(MPH)   NE 11        NE  9        NE 10
MIXING HGT(FT-AGL/MSL)6188                      5062
TRANSPORT WND (MPH)   NE 20                     NE 21
VENT RATE (KT-FT)     99773                     90306
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          2            2            2

Remarks...None.


$$

PRZ015-181000-
Southern Hills-
556 AM AST Sun Dec 17 2017

                      Today        Tonight      Mon

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     20           20           30
TEMP (24H TREND)      83 (+2)      66 (-2)      84
RH % (24H TREND)      58 (-8)      100 (+6)     62
20FTWND-VAL/AM(MPH)   NE  7                     NE  8
20FTWND-RDG/PM(MPH)   NE  9        NE  8        NE  8
MIXING HGT(FT-AGL/MSL)6219                      5157
TRANSPORT WND (MPH)   NE 18                     NE 17
VENT RATE (KT-FT)     92960                     74224
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          2            2            2

Remarks...None.


$$

PRZ016-181000-
North Coastal Plains-
556 AM AST Sun Dec 17 2017

                      Today        Tonight      Mon

CLOUD COVER           PCldy        MCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     30           30           30
TEMP (24H TREND)      83 (-1)      72 (-1)      83
RH % (24H TREND)      65 (-4)      98 (+6)      67
20FTWND-VAL/AM(MPH)   NE 13                     NE 13
20FTWND-RDG/PM(MPH)   NE 14        NE 12        NE 12
MIXING HGT(FT-AGL/MSL)4944                      3986
TRANSPORT WND (MPH)   NE 24                     E 22
VENT RATE (KT-FT)     100584                    78960
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          2            2            2

Remarks...None.


$$

PRZ017-181000-
Northern Hills-
556 AM AST Sun Dec 17 2017

                      Today        Tonight      Mon

CLOUD COVER           PCldy        MCldy        MCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     30           30           30
TEMP (24H TREND)      81 (-1)      68 (-2)      81
RH % (24H TREND)      69 (-1)      100 (+1)     72
20FTWND-VAL/AM(MPH)   NE 11                     NE 10
20FTWND-RDG/PM(MPH)   NE 12        NE 10        NE 10
MIXING HGT(FT-AGL/MSL)4955                      4241
TRANSPORT WND (MPH)   NE 23                     E 21
VENT RATE (KT-FT)     103005                    79781
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          2            2            2

Remarks...None.


$$

PRZ018-181000-
West Coast-
556 AM AST Sun Dec 17 2017

                      Today        Tonight      Mon

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     10           20           20
TEMP (24H TREND)      86 (+1)      70 (-2)      85
RH % (24H TREND)      56 (-6)      98 (+6)      58
20FTWND-VAL/AM(MPH)   NE 10                     NE 12
20FTWND-RDG/PM(MPH)   NE 12        NE 12        NE 11
MIXING HGT(FT-AGL/MSL)6191                      5247
TRANSPORT WND (MPH)   NE 21                     NE 20
VENT RATE (KT-FT)     100100                    82464
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          2            2            2

Remarks...None.


$$

PRZ019-181000-
Eastern Interior-
556 AM AST Sun Dec 17 2017

                      Today        Tonight      Mon

CLOUD COVER           PCldy        MCldy        MCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     30           30           30
TEMP (24H TREND)      83 (0)       67 (-3)      83
RH % (24H TREND)      63 (-4)      100 (+4)     69
20FTWND-VAL/AM(MPH)   NE  9                     NE 10
20FTWND-RDG/PM(MPH)   NE 11        NE 10        NE 10
MIXING HGT(FT-AGL/MSL)4948                      3957
TRANSPORT WND (MPH)   NE 21                     NE 20
VENT RATE (KT-FT)     94012                     69876
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          2            2            2

Remarks...None.


$$

PRZ022-181000-
Luquillo Mountain Range-
556 AM AST Sun Dec 17 2017

                      Today        Tonight      Mon

CLOUD COVER           MCldy        MCldy        MCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     30           30           30
TEMP (24H TREND)      80 (+1)      68 (-1)      80
RH % (24H TREND)      68 (-5)      100 (+3)     74
20FTWND-VAL/AM(MPH)   NE 11                     NE 11
20FTWND-RDG/PM(MPH)   NE 12        NE 11        NE 11
MIXING HGT(FT-AGL/MSL)4199                      3043
TRANSPORT WND (MPH)   NE 20                     NE 18
VENT RATE (KT-FT)     71383                     51068
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          2            2            2

Remarks...None.


$$

PRZ023-181000-
Central Mountain Range-
556 AM AST Sun Dec 17 2017

                      Today        Tonight      Mon

CLOUD COVER           PCldy        MCldy        MCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     20           20           30
TEMP (24H TREND)      80 (+1)      64 (-2)      80
RH % (24H TREND)      67 (-4)      100 (+1)     70
20FTWND-VAL/AM(MPH)   NE  7                     NE  8
20FTWND-RDG/PM(MPH)   NE  9        NE  8        NE  8
MIXING HGT(FT-AGL/MSL)5239                      4352
TRANSPORT WND (MPH)   NE 18                     NE 18
VENT RATE (KT-FT)     94640                     80104
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          2            2            2

Remarks...None.


$$

PRZ024-181000-
Cayey Mountain Range-
556 AM AST Sun Dec 17 2017

                      Today        Tonight      Mon

CLOUD COVER           PCldy        MCldy        MCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     20           20           30
TEMP (24H TREND)      81 (+1)      67 (-1)      81
RH % (24H TREND)      65 (-5)      100 (+2)     70
20FTWND-VAL/AM(MPH)   NE  9                     NE  9
20FTWND-RDG/PM(MPH)   NE 11        NE  9        NE 10
MIXING HGT(FT-AGL/MSL)4399                      3695
TRANSPORT WND (MPH)   NE 21                     NE 20
VENT RATE (KT-FT)     79182                     66510
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          2            2            2

Remarks...None.


$$

PRZ025-181000-
Vieques-
556 AM AST Sun Dec 17 2017

                      Today        Tonight      Mon

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     30           30           30
TEMP (24H TREND)      85 (-1)      77 (+1)      84
RH % (24H TREND)      62 (-3)      89 (+4)      67
20FTWND-VAL/AM(MPH)   NE 18                     NE 19
20FTWND-RDG/PM(MPH)   NE 19        NE 20        NE 17
MIXING HGT(FT-AGL/MSL)3734                      3208
TRANSPORT WND (MPH)   NE 24                     NE 24
VENT RATE (KT-FT)     75570                     70576
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          2            2            2

Remarks...None.


$$

PRZ026-181000-
Culebra-
556 AM AST Sun Dec 17 2017

                      Today        Tonight      Mon

CLOUD COVER           MCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     30           30           30
TEMP (24H TREND)      86 (+2)      77 (0)       85
RH % (24H TREND)      63 (-5)      87 (+3)      67
20FTWND-VAL/AM(MPH)   NE 18                     NE 20
20FTWND-RDG/PM(MPH)   NE 19        NE 20        NE 17
MIXING HGT(FT-AGL/MSL)3700                      3162
TRANSPORT WND (MPH)   NE 25                     NE 24
VENT RATE (KT-FT)     81400                     66402
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          2            2            2

Remarks...None.


$$

PRZ027-181000-
Southwest Coastal Plains and Mona Island-
556 AM AST Sun Dec 17 2017

                      Today        Tonight      Mon

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     10           20           30
TEMP (24H TREND)      88 (+1)      69 (-3)      88
RH % (24H TREND)      49 (-9)      94 (+4)      54
20FTWND-VAL/AM(MPH)   NE  8                     NE  9
20FTWND-RDG/PM(MPH)   NE  9 G17    NE  9 G17    NE  9
MIXING HGT(FT-AGL/MSL)6574                      5452
TRANSPORT WND (MPH)   E 17                      E 18
VENT RATE (KT-FT)     99552                     86802
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          2            2            2

Remarks...None.


$$

VIZ001-181000-
Saint Thomas and Saint John-
556 AM AST Sun Dec 17 2017

                      Today        Tonight      Mon

CLOUD COVER           MCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     40           40           20
TEMP (24H TREND)      87 (+1)      73 (-2)      86
RH % (24H TREND)      58 (-4)      98 (+14)     65
20FTWND-VAL/AM(MPH)   NE 19                     NE 19
20FTWND-RDG/PM(MPH)   NE 19        NE 20        NE 16
MIXING HGT(FT-AGL/MSL)3674                      3246
TRANSPORT WND (MPH)   NE 26                     E 21
VENT RATE (KT-FT)     84502                     59470
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          2            2            2

Remarks...None.


$$

VIZ002-181000-
St Croix-
556 AM AST Sun Dec 17 2017

                      Today        Tonight      Mon

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     40           40           30
TEMP (24H TREND)      84 (-2)      72 (-1)      85
RH % (24H TREND)      66 (+1)      98 (+10)     63
20FTWND-VAL/AM(MPH)   NE 18                     E 17
20FTWND-RDG/PM(MPH)   NE 21        NE 19        E 16
MIXING HGT(FT-AGL/MSL)3471                      3450
TRANSPORT WND (MPH)   NE 24                     E 21
VENT RATE (KT-FT)     76362                     65531
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          2            2            2

Remarks...None.


$$


.FORECAST FOR DAYS 3 THROUGH 7...

.TUESDAY...PARTLY CLOUDY. SCATTERED SHOWERS. LOWS AROUND 70.
HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 10 MPH.
.WEDNESDAY...MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
.THURSDAY...PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE
LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
.FRIDAY...PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE
LOWER 80S. NORTHEAST WINDS AROUND 10 MPH.
.SATURDAY...PARTLY CLOUDY. SCATTERED SHOWERS. LOWS IN THE
UPPER 60S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 10 MPH.

$$


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