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

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3
000
FNCA52 TJSJ 180956
FWFSJU

Fire Weather Planning Forecast for PUERTO RICO
National Weather Service SAN JUAN PR
556 AM AST Mon Dec 18 2017

.DISCUSSION...
A mid to upper level ridge will continue to control the local
weather conditions through Thursday. Occasional surge of moisture
will filter in from the east which will cause isolated showers
across the islands. Winds will be from the east to northeast at
10 to 20 mph with higher gusts until Friday.



PRZ014-191000-
Southeast Coastal Plains-
556 AM AST Mon Dec 18 2017

                      Today        Tonight      Tue

CLOUD COVER           PCldy        MClear       PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     40           10           30
TEMP (24H TREND)      84 (-1)      71 (-3)      87
RH % (24H TREND)      62 (+3)      91 (-1)      52
20FTWND-VAL/AM(MPH)   NE  9                     NE  7
20FTWND-RDG/PM(MPH)   NE  9        NE  6        NE  8
MIXING HGT(FT-AGL/MSL)4500                      6500
TRANSPORT WND (MPH)   NE 20                     NE 16
VENT RATE (KT-FT)     81000                     90000
DISPERSION            5                         5
DSI                   6            4            6
LAL                   1            1            1
HAINES INDEX          2            2            2

Remarks...None.


$$

PRZ015-191000-
Southern Hills-
556 AM AST Mon Dec 18 2017

                      Today        Tonight      Tue

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     50           20           30
TEMP (24H TREND)      83 (+2)      69 (-2)      84
RH % (24H TREND)      60 (-3)      94 (0)       53
20FTWND-VAL/AM(MPH)   NE  8                     NE  6
20FTWND-RDG/PM(MPH)   NE  8        NE  5        NE  7
MIXING HGT(FT-AGL/MSL)5000                      6500
TRANSPORT WND (MPH)   NE 17                     NE 14
VENT RATE (KT-FT)     75000                     78000
DISPERSION            5                         5
DSI                   6            3            6
LAL                   1            1            1
HAINES INDEX          2            2            2

Remarks...None.


$$

PRZ016-191000-
North Coastal Plains-
556 AM AST Mon Dec 18 2017

                      Today        Tonight      Tue

CLOUD COVER           PCldy        PCldy        MClear
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     30           40           20
TEMP (24H TREND)      82 (0)       73 (-2)      85
RH % (24H TREND)      67 (-2)      89 (-2)      61
20FTWND-VAL/AM(MPH)   NE 12                     NE 10
20FTWND-RDG/PM(MPH)   NE 12        E  9         NE 11
MIXING HGT(FT-AGL/MSL)4000                      4500
TRANSPORT WND (MPH)   E 21                      E 17
VENT RATE (KT-FT)     80000                     68000
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          2            2            3

Remarks...None.


$$

PRZ017-191000-
Northern Hills-
556 AM AST Mon Dec 18 2017

                      Today        Tonight      Tue

CLOUD COVER           PCldy        PCldy        MClear
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     30           30           20
TEMP (24H TREND)      83 (+3)      70 (-2)      84
RH % (24H TREND)      65 (-6)      94 (-3)      60
20FTWND-VAL/AM(MPH)   NE 10                     NE  8
20FTWND-RDG/PM(MPH)   NE 10        E  7         NE  9
MIXING HGT(FT-AGL/MSL)4000                      5000
TRANSPORT WND (MPH)   NE 20                     E 16
VENT RATE (KT-FT)     76000                     67500
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          2            3            3

Remarks...None.


$$

PRZ018-191000-
West Coast-
556 AM AST Mon Dec 18 2017

                      Today        Tonight      Tue

CLOUD COVER           MClear       MClear       MClear
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     30           10           30
TEMP (24H TREND)      86 (+1)      72 (-2)      87
RH % (24H TREND)      57 (-4)      88 (-4)      51
20FTWND-VAL/AM(MPH)   NE 12                     NE  9
20FTWND-RDG/PM(MPH)   NE 11        NE  8        NE  8
MIXING HGT(FT-AGL/MSL)5000                      6500
TRANSPORT WND (MPH)   NE 18                     E 13
VENT RATE (KT-FT)     76500                     65000
DISPERSION            5                         5
DSI                   6            5            6
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ019-191000-
Eastern Interior-
556 AM AST Mon Dec 18 2017

                      Today        Tonight      Tue

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     50           50           50
TEMP (24H TREND)      84 (+3)      70 (-3)      84
RH % (24H TREND)      64 (-3)      94 (-1)      61
20FTWND-VAL/AM(MPH)   NE 10                     NE  7
20FTWND-RDG/PM(MPH)   NE  9        NE  7        NE  8
MIXING HGT(FT-AGL/MSL)3500                      5000
TRANSPORT WND (MPH)   NE 18                     NE 15
VENT RATE (KT-FT)     63000                     65000
DISPERSION            5                         5
DSI                   6            5            6
LAL                   1            1            1
HAINES INDEX          2            2            2

Remarks...None.


$$

PRZ022-191000-
Luquillo Mountain Range-
556 AM AST Mon Dec 18 2017

                      Today        Tonight      Tue

CLOUD COVER           PCldy        MCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     50           50           50
TEMP (24H TREND)      84 (+6)      69 (-2)      82
RH % (24H TREND)      61 (-9)      98 (+2)      65
20FTWND-VAL/AM(MPH)   NE 11                     NE  9
20FTWND-RDG/PM(MPH)   NE 10        NE  8        NE  9
MIXING HGT(FT-AGL/MSL)3000                      3500
TRANSPORT WND (MPH)   NE 17                     NE 15
VENT RATE (KT-FT)     54000                     49000
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          2            2            2

Remarks...None.


$$

PRZ023-191000-
Central Mountain Range-
556 AM AST Mon Dec 18 2017

                      Today        Tonight      Tue

CLOUD COVER           PCldy        PCldy        MClear
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     30           20           20
TEMP (24H TREND)      82 (+4)      66 (-2)      83
RH % (24H TREND)      63 (-7)      98 (-1)      56
20FTWND-VAL/AM(MPH)   NE  8                     NE  6
20FTWND-RDG/PM(MPH)   NE  8        Lgt/Var      NE  7
MIXING HGT(FT-AGL/MSL)4000                      5500
TRANSPORT WND (MPH)   NE 17                     NE 14
VENT RATE (KT-FT)     76000                     70000
DISPERSION            5                         5
DSI                   6            3            5
LAL                   1            1            1
HAINES INDEX          2            3            3

Remarks...None.


$$

PRZ024-191000-
Cayey Mountain Range-
556 AM AST Mon Dec 18 2017

                      Today        Tonight      Tue

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     50           40           40
TEMP (24H TREND)      84 (+5)      70 (-1)      83
RH % (24H TREND)      61 (-6)      94 (-4)      62
20FTWND-VAL/AM(MPH)   NE  9                     NE  7
20FTWND-RDG/PM(MPH)   NE  9        NE  6        NE  8
MIXING HGT(FT-AGL/MSL)3500                      4500
TRANSPORT WND (MPH)   NE 17                     NE 16
VENT RATE (KT-FT)     59500                     63000
DISPERSION            5                         5
DSI                   6            5            6
LAL                   1            1            1
HAINES INDEX          2            2            2

Remarks...None.


$$

PRZ025-191000-
Vieques-
556 AM AST Mon Dec 18 2017

                      Today        Tonight      Tue

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     50           30           40
TEMP (24H TREND)      86 (+2)      78 (0)       85
RH % (24H TREND)      65 (0)       83 (-3)      65
20FTWND-VAL/AM(MPH)   NE 19                     NE 15
20FTWND-RDG/PM(MPH)   NE 17        NE 16        NE 14
MIXING HGT(FT-AGL/MSL)3500                      3500
TRANSPORT WND (MPH)   E 23                      NE 21
VENT RATE (KT-FT)     73500                     63000
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          3            3            2

Remarks...None.


$$

PRZ026-191000-
Culebra-
556 AM AST Mon Dec 18 2017

                      Today        Tonight      Tue

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     50           30           30
TEMP (24H TREND)      84 (-2)      79 (+1)      86
RH % (24H TREND)      68 (+3)      82 (-3)      65
20FTWND-VAL/AM(MPH)   NE 20                     NE 15
20FTWND-RDG/PM(MPH)   NE 17        NE 16        NE 14
MIXING HGT(FT-AGL/MSL)3500                      3500
TRANSPORT WND (MPH)   E 24                      NE 21
VENT RATE (KT-FT)     73500                     66500
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          2            3            2

Remarks...None.


$$

PRZ027-191000-
Southwest Coastal Plains and Mona Island-
556 AM AST Mon Dec 18 2017

                      Today        Tonight      Tue

CLOUD COVER           MClear       MClear       MClear
PRECIP TYPE           showers      NONE         showers
CHANCE PRECIP (%)     30           0            30
TEMP (24H TREND)      87 (0)       71 (-3)      88
RH % (24H TREND)      55 (0)       90 (0)       47
20FTWND-VAL/AM(MPH)   NE  9                     NE  6
20FTWND-RDG/PM(MPH)   NE  9        NE  7        E  6
MIXING HGT(FT-AGL/MSL)5000                      6500
TRANSPORT WND (MPH)   NE 18                     E 13
VENT RATE (KT-FT)     80000                     84500
DISPERSION            5                         5
DSI                   6            4            6
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

VIZ001-191000-
Saint Thomas and Saint John-
556 AM AST Mon Dec 18 2017

                      Today        Tonight      Tue

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     50           30           30
TEMP (24H TREND)      86 (0)       78 (+1)      86
RH % (24H TREND)      63 (+1)      85 (-5)      63
20FTWND-VAL/AM(MPH)   NE 19                     NE 15
20FTWND-RDG/PM(MPH)   NE 16        NE 16        NE 14
MIXING HGT(FT-AGL/MSL)3500                      3500
TRANSPORT WND (MPH)   E 25                      NE 21
VENT RATE (KT-FT)     73500                     63000
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          2            3            3

Remarks...None.


$$

VIZ002-191000-
St Croix-
556 AM AST Mon Dec 18 2017

                      Today        Tonight      Tue

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     40           20           40
TEMP (24H TREND)      86 (+3)      78 (0)       86
RH % (24H TREND)      63 (-5)      81 (-11)     63
20FTWND-VAL/AM(MPH)   E 15                      NE 16
20FTWND-RDG/PM(MPH)   NE 16        NE 16        NE 14
MIXING HGT(FT-AGL/MSL)3500                      3500
TRANSPORT WND (MPH)   E 22                      NE 22
VENT RATE (KT-FT)     66500                     66500
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$


.FORECAST FOR DAYS 3 THROUGH 7...

.WEDNESDAY...PARTLY CLOUDY. ISOLATED 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 LOWER 70S. 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.
.SUNDAY...PARTLY CLOUDY. SCATTERED SHOWERS. LOWS IN THE UPPER
60S. HIGHS IN THE LOWER 80S. NORTHEAST WINDS AROUND 10 MPH.

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.