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

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FNCA52 TJSJ 190940
FWFSJU

Fire Weather Planning Forecast for PUERTO RICO
National Weather Service SAN JUAN PR
540 AM AST Fri Jan 19 2018

.DISCUSSION...An increase in low level moisture is expected this
afternoon. As a result, cloudiness with showers will affect Puerto
Rico today. This will keep relative humidity values well above
threshold values. At the same time, low level winds will remain
from the east at less than 15 mph. Fire danger is expected to be
low today.




PRZ014-200945-
Southeast Coastal Plains-
540 AM AST Fri Jan 19 2018

                      Today        Tonight      Sat

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     30           10           20
TEMP (24H TREND)      87 (+3)      66 (-2)      86
RH % (24H TREND)      61 (-4)      94 (+1)      55
20FTWND-VAL/AM(MPH)   Lgt/Var                   NE  6
20FTWND-RDG/PM(MPH)   E  6         E  5         E 10
MIXING HGT(FT-AGL/MSL)5328                      6022
TRANSPORT WND (MPH)   E 12                      E 18
VENT RATE (KT-FT)     63750                     82991
DISPERSION            5                         5
DSI                   5            4            6
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ015-200945-
Southern Hills-
540 AM AST Fri Jan 19 2018

                      Today        Tonight      Sat

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     30           10           30
TEMP (24H TREND)      83 (+5)      63 (-3)      83
RH % (24H TREND)      64 (-7)      93 (+2)      60
20FTWND-VAL/AM(MPH)   Lgt/Var                   NE  5
20FTWND-RDG/PM(MPH)   E  5         Lgt/Var      E  8
MIXING HGT(FT-AGL/MSL)5258                      5900
TRANSPORT WND (MPH)   E  9                      E 16
VENT RATE (KT-FT)     57142                     75376
DISPERSION            5                         5
DSI                   5            3            5
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ016-200945-
North Coastal Plains-
540 AM AST Fri Jan 19 2018

                      Today        Tonight      Sat

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     30           20           20
TEMP (24H TREND)      85 (+2)      68 (-3)      86
RH % (24H TREND)      63 (-7)      93 (+5)      62
20FTWND-VAL/AM(MPH)   Lgt/Var                   E  9
20FTWND-RDG/PM(MPH)   E  8         E  8         E 10
MIXING HGT(FT-AGL/MSL)4773                      5396
TRANSPORT WND (MPH)   E 12                      E 16
VENT RATE (KT-FT)     62231                     81311
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ017-200945-
Northern Hills-
540 AM AST Fri Jan 19 2018

                      Today        Tonight      Sat

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     30           10           20
TEMP (24H TREND)      83 (+3)      65 (-2)      83
RH % (24H TREND)      65 (-4)      95 (+3)      64
20FTWND-VAL/AM(MPH)   Lgt/Var                   E  7
20FTWND-RDG/PM(MPH)   E  6         E  5         E  9
MIXING HGT(FT-AGL/MSL)4676                      5400
TRANSPORT WND (MPH)   E  9                      E 15
VENT RATE (KT-FT)     52108                     77376
DISPERSION            5                         5
DSI                   5            5            6
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ018-200945-
West Coast-
540 AM AST Fri Jan 19 2018

                      Today        Tonight      Sat

CLOUD COVER           PCldy        MClear       PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     20           0            40
TEMP (24H TREND)      85 (+3)      67 (-2)      81
RH % (24H TREND)      62 (-3)      90 (+3)      60
20FTWND-VAL/AM(MPH)   Lgt/Var                   E  7
20FTWND-RDG/PM(MPH)   Lgt/Var      E  5         E  7
MIXING HGT(FT-AGL/MSL)5228                      5688
TRANSPORT WND (MPH)   E  6                      E 13
VENT RATE (KT-FT)     52773                     60496
DISPERSION            5                         5
DSI                   5            4            6
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ019-200945-
Eastern Interior-
540 AM AST Fri Jan 19 2018

                      Today        Tonight      Sat

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     30           30           40
TEMP (24H TREND)      84 (+2)      66 (-3)      85
RH % (24H TREND)      69 (-5)      96 (+4)      64
20FTWND-VAL/AM(MPH)   Lgt/Var                   E  6
20FTWND-RDG/PM(MPH)   E  6         E  5         E  9
MIXING HGT(FT-AGL/MSL)4742                      5472
TRANSPORT WND (MPH)   E 10                      E 16
VENT RATE (KT-FT)     53864                     72798
DISPERSION            5                         5
DSI                   5            4            6
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ022-200945-
Luquillo Mountain Range-
540 AM AST Fri Jan 19 2018

                      Today        Tonight      Sat

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     30           30           40
TEMP (24H TREND)      79 (+2)      64 (-3)      81
RH % (24H TREND)      79 (-4)      91 (+3)      74
20FTWND-VAL/AM(MPH)   E  5                      E  8
20FTWND-RDG/PM(MPH)   E  7         E  7         E 10
MIXING HGT(FT-AGL/MSL)2899                      4073
TRANSPORT WND (MPH)   E 10                      E 15
VENT RATE (KT-FT)     38501                     54400
DISPERSION            5                         5
DSI                   5            5            6
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ023-200945-
Central Mountain Range-
540 AM AST Fri Jan 19 2018

                      Today        Tonight      Sat

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     30           10           40
TEMP (24H TREND)      82 (+7)      62 (-1)      79
RH % (24H TREND)      67 (-6)      98 (+5)      65
20FTWND-VAL/AM(MPH)   Lgt/Var                   E  5
20FTWND-RDG/PM(MPH)   Lgt/Var      Lgt/Var      E  6
MIXING HGT(FT-AGL/MSL)4780                      5234
TRANSPORT WND (MPH)   E  8                      E 14
VENT RATE (KT-FT)     33983                     60717
DISPERSION            5                         5
DSI                   5            3            5
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ024-200945-
Cayey Mountain Range-
540 AM AST Fri Jan 19 2018

                      Today        Tonight      Sat

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     30           20           40
TEMP (24H TREND)      79 (+2)      65 (-3)      81
RH % (24H TREND)      74 (-5)      92 (+2)      68
20FTWND-VAL/AM(MPH)   Lgt/Var                   NE  6
20FTWND-RDG/PM(MPH)   E  5         E  5         E  9
MIXING HGT(FT-AGL/MSL)4022                      4773
TRANSPORT WND (MPH)   E 10                      E 17
VENT RATE (KT-FT)     51187                     63818
DISPERSION            5                         5
DSI                   5            3            5
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ025-200945-
Vieques-
540 AM AST Fri Jan 19 2018

                      Today        Tonight      Sat

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     20           20           40
TEMP (24H TREND)      83 (0)       75 (0)       84
RH % (24H TREND)      71 (-3)      85 (+4)      68
20FTWND-VAL/AM(MPH)   E 10                      E 13
20FTWND-RDG/PM(MPH)   E 11         E 13         E 13
MIXING HGT(FT-AGL/MSL)2758                      3564
TRANSPORT WND (MPH)   E 14                      E 18
VENT RATE (KT-FT)     47200                     65033
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          3            4            3

Remarks...None.


$$

PRZ026-200945-
Culebra-
540 AM AST Fri Jan 19 2018

                      Today        Tonight      Sat

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     20           30           40
TEMP (24H TREND)      83 (-1)      75 (0)       84
RH % (24H TREND)      70 (-4)      89 (+4)      65
20FTWND-VAL/AM(MPH)   E 12                      E 13
20FTWND-RDG/PM(MPH)   E 13         E 13         E 14
MIXING HGT(FT-AGL/MSL)2793                      3423
TRANSPORT WND (MPH)   E 15                      E 18
VENT RATE (KT-FT)     46644                     64919
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          3            4            3

Remarks...None.


$$

PRZ027-200945-
Southwest Coastal Plains and Mona Island-
540 AM AST Fri Jan 19 2018

                      Today        Tonight      Sat

CLOUD COVER           MClear       MClear       MClear
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     20           0            20
TEMP (24H TREND)      87 (+4)      66 (-3)      84
RH % (24H TREND)      58 (-4)      91 (+3)      53
20FTWND-VAL/AM(MPH)   Lgt/Var                   E  6
20FTWND-RDG/PM(MPH)   SE  5        E  5         E  8
MIXING HGT(FT-AGL/MSL)5593                      6141
TRANSPORT WND (MPH)   E  8                      E 16
VENT RATE (KT-FT)     52928                     77874
DISPERSION            5                         5
DSI                   5            4            6
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

VIZ001-200945-
Saint Thomas and Saint John-
540 AM AST Fri Jan 19 2018

                      Today        Tonight      Sat

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     20           20           40
TEMP (24H TREND)      82 (0)       71 (-3)      83
RH % (24H TREND)      74 (-2)      88 (+6)      69
20FTWND-VAL/AM(MPH)   E 12                      E 14
20FTWND-RDG/PM(MPH)   E 13         E 13         E 14
MIXING HGT(FT-AGL/MSL)2958                      3399
TRANSPORT WND (MPH)   E 17                      E 20
VENT RATE (KT-FT)     49806                     65995
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          3            4            3

Remarks...None.


$$

VIZ002-200945-
St Croix-
540 AM AST Fri Jan 19 2018

                      Today        Tonight      Sat

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     20           20           20
TEMP (24H TREND)      84 (+1)      70 (-2)      84
RH % (24H TREND)      72 (-3)      89 (+6)      68
20FTWND-VAL/AM(MPH)   E 11                      E 15
20FTWND-RDG/PM(MPH)   E 13         E 12         E 15
MIXING HGT(FT-AGL/MSL)3035                      3644
TRANSPORT WND (MPH)   E 17                      E 21
VENT RATE (KT-FT)     55941                     68609
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$


.FORECAST FOR DAYS 3 THROUGH 7...

.SUNDAY...PARTLY CLOUDY. ISOLATED SHOWERS. LOWS IN THE UPPER 60S.
HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 10 MPH.
.MONDAY...PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE
LOWER 80S. NORTHEAST WINDS AROUND 5 MPH.
.TUESDAY...PARTLY CLOUDY. SCATTERED SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
.WEDNESDAY...PARTLY CLOUDY. SCATTERED SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH.
.THURSDAY...PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE
LOWER 80S. EAST WINDS AROUND 10 MPH.

$$



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