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

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FNCA52 TJSJ 170919
FWFSJU

Fire Weather Planning Forecast for PUERTO RICO
National Weather Service SAN JUAN PR
519 AM AST Wed Jan 17 2018

.DISCUSSION...Passing showers will continue to affect mainly the
northern half of Puerto Rico today. Afternoon showers are
expected to develop over portions of the interior and
west/southwest sections of Puerto Rico. In addition, RH values and
wind speeds are not forecast to reach critical fire danger
criteria. Therefore, the overall fire danger will continue low
today. No major change is anticipated during the next several days
on the weather conditions.




PRZ014-180930-
Southeast Coastal Plains-
519 AM AST Wed Jan 17 2018

                      Today        Tonight      Thu

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     30           30           20
TEMP (24H TREND)      86 (+1)      66 (-3)      84
RH % (24H TREND)      59 (-2)      94 (+1)      62
20FTWND-VAL/AM(MPH)   NE  5                     Lgt/Var
20FTWND-RDG/PM(MPH)   E  8         NE  5        E  7
MIXING HGT(FT-AGL/MSL)5710                      5385
TRANSPORT WND (MPH)   E 14                      E 13
VENT RATE (KT-FT)     69204                     64940
DISPERSION            5                         5
DSI                   5            3            5
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ015-180930-
Southern Hills-
519 AM AST Wed Jan 17 2018

                      Today        Tonight      Thu

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     30           30           20
TEMP (24H TREND)      82 (+3)      63 (-4)      82
RH % (24H TREND)      63 (-6)      94 (0)       65
20FTWND-VAL/AM(MPH)   Lgt/Var                   Lgt/Var
20FTWND-RDG/PM(MPH)   E  6         Lgt/Var      E  5
MIXING HGT(FT-AGL/MSL)5592                      5289
TRANSPORT WND (MPH)   E 13                      E 12
VENT RATE (KT-FT)     60168                     58237
DISPERSION            5                         5
DSI                   5            2            5
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ016-180930-
North Coastal Plains-
519 AM AST Wed Jan 17 2018

                      Today        Tonight      Thu

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     40           40           20
TEMP (24H TREND)      84 (+2)      67 (-4)      83
RH % (24H TREND)      64 (-6)      91 (-4)      66
20FTWND-VAL/AM(MPH)   E  8                      E  5
20FTWND-RDG/PM(MPH)   E  9         E  7         E  8
MIXING HGT(FT-AGL/MSL)5029                      4894
TRANSPORT WND (MPH)   E 14                      E 12
VENT RATE (KT-FT)     56436                     47893
DISPERSION            5                         5
DSI                   6            5            6
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ017-180930-
Northern Hills-
519 AM AST Wed Jan 17 2018

                      Today        Tonight      Thu

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     40           40           20
TEMP (24H TREND)      83 (+4)      64 (-3)      82
RH % (24H TREND)      66 (-9)      95 (-3)      67
20FTWND-VAL/AM(MPH)   E  6                      Lgt/Var
20FTWND-RDG/PM(MPH)   E  7         E  6         E  5
MIXING HGT(FT-AGL/MSL)5028                      4858
TRANSPORT WND (MPH)   E 13                      E  9
VENT RATE (KT-FT)     55320                     47914
DISPERSION            5                         5
DSI                   6            3            5
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ018-180930-
West Coast-
519 AM AST Wed Jan 17 2018

                      Today        Tonight      Thu

CLOUD COVER           PCldy        MClear       MClear
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     40           40           20
TEMP (24H TREND)      85 (+1)      66 (-3)      83
RH % (24H TREND)      63 (0)       91 (-3)      62
20FTWND-VAL/AM(MPH)   E  6                      Lgt/Var
20FTWND-RDG/PM(MPH)   E  5         E  5         Lgt/Var
MIXING HGT(FT-AGL/MSL)5431                      5064
TRANSPORT WND (MPH)   E 10                      E  7
VENT RATE (KT-FT)     54522                     54698
DISPERSION            5                         5
DSI                   6            3            6
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ019-180930-
Eastern Interior-
519 AM AST Wed Jan 17 2018

                      Today        Tonight      Thu

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     40           40           30
TEMP (24H TREND)      84 (+4)      66 (-2)      83
RH % (24H TREND)      66 (-5)      96 (-1)      71
20FTWND-VAL/AM(MPH)   E  6                      Lgt/Var
20FTWND-RDG/PM(MPH)   E  8         E  5         E  7
MIXING HGT(FT-AGL/MSL)5098                      4876
TRANSPORT WND (MPH)   E 13                      E 12
VENT RATE (KT-FT)     52836                     47938
DISPERSION            5                         5
DSI                   5            4            5
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ022-180930-
Luquillo Mountain Range-
519 AM AST Wed Jan 17 2018

                      Today        Tonight      Thu

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     40           40           30
TEMP (24H TREND)      80 (+5)      64 (-3)      81
RH % (24H TREND)      73 (-5)      91 (-7)      78
20FTWND-VAL/AM(MPH)   E  7                      E  6
20FTWND-RDG/PM(MPH)   E  8         E  6         E  8
MIXING HGT(FT-AGL/MSL)4059                      3672
TRANSPORT WND (MPH)   E 14                      E 13
VENT RATE (KT-FT)     36920                     39971
DISPERSION            5                         5
DSI                   6            5            6
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ023-180930-
Central Mountain Range-
519 AM AST Wed Jan 17 2018

                      Today        Tonight      Thu

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     40           40           20
TEMP (24H TREND)      81 (+4)      61 (-4)      78
RH % (24H TREND)      68 (-5)      98 (+1)      66
20FTWND-VAL/AM(MPH)   Lgt/Var                   Lgt/Var
20FTWND-RDG/PM(MPH)   Lgt/Var      Lgt/Var      Lgt/Var
MIXING HGT(FT-AGL/MSL)5165                      4898
TRANSPORT WND (MPH)   E 10                      E  8
VENT RATE (KT-FT)     49662                     43763
DISPERSION            5                         5
DSI                   5            2            5
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ024-180930-
Cayey Mountain Range-
519 AM AST Wed Jan 17 2018

                      Today        Tonight      Thu

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     40           40           30
TEMP (24H TREND)      81 (+5)      65 (-2)      80
RH % (24H TREND)      69 (-7)      92 (-7)      73
20FTWND-VAL/AM(MPH)   NE  5                     Lgt/Var
20FTWND-RDG/PM(MPH)   E  8         NE  5        E  7
MIXING HGT(FT-AGL/MSL)4519                      4275
TRANSPORT WND (MPH)   E 14                      E 13
VENT RATE (KT-FT)     44976                     47844
DISPERSION            5                         5
DSI                   5            3            5
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ025-180930-
Vieques-
519 AM AST Wed Jan 17 2018

                      Today        Tonight      Thu

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     30           30           20
TEMP (24H TREND)      83 (0)       74 (+1)      83
RH % (24H TREND)      73 (+3)      87 (-6)      73
20FTWND-VAL/AM(MPH)   E 13                      E 11
20FTWND-RDG/PM(MPH)   E 11         E 13         E 10
MIXING HGT(FT-AGL/MSL)3591                      3154
TRANSPORT WND (MPH)   E 15                      E 14
VENT RATE (KT-FT)     43068                     38599
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ026-180930-
Culebra-
519 AM AST Wed Jan 17 2018

                      Today        Tonight      Thu

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     20           20           20
TEMP (24H TREND)      83 (0)       75 (+1)      84
RH % (24H TREND)      72 (+3)      87 (-5)      69
20FTWND-VAL/AM(MPH)   E 13                      E 11
20FTWND-RDG/PM(MPH)   E 11         E 13         E 10
MIXING HGT(FT-AGL/MSL)3448                      3047
TRANSPORT WND (MPH)   E 15                      E 15
VENT RATE (KT-FT)     44102                     42686
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ027-180930-
Southwest Coastal Plains and Mona Island-
519 AM AST Wed Jan 17 2018

                      Today        Tonight      Thu

CLOUD COVER           PCldy        MClear       MClear
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     30           30           20
TEMP (24H TREND)      85 (0)       66 (-3)      84
RH % (24H TREND)      58 (-3)      92 (0)       59
20FTWND-VAL/AM(MPH)   NE  5                     Lgt/Var
20FTWND-RDG/PM(MPH)   E  6         E  5         SE  5
MIXING HGT(FT-AGL/MSL)5843                      5502
TRANSPORT WND (MPH)   E 12                      E 10
VENT RATE (KT-FT)     68376                     65360
DISPERSION            5                         5
DSI                   6            3            6
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

VIZ001-180930-
Saint Thomas and Saint John-
519 AM AST Wed Jan 17 2018

                      Today        Tonight      Thu

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     30           30           20
TEMP (24H TREND)      85 (+3)      72 (-1)      83
RH % (24H TREND)      71 (+1)      84 (-7)      73
20FTWND-VAL/AM(MPH)   E 13                      E 12
20FTWND-RDG/PM(MPH)   E 11         E 13         E 11
MIXING HGT(FT-AGL/MSL)3423                      3024
TRANSPORT WND (MPH)   E 15                      E 16
VENT RATE (KT-FT)     47861                     43432
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$

VIZ002-180930-
St Croix-
519 AM AST Wed Jan 17 2018

                      Today        Tonight      Thu

CLOUD COVER           PCldy        PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     20           20           20
TEMP (24H TREND)      85 (+1)      71 (0)       85
RH % (24H TREND)      71 (+2)      87 (-10)     73
20FTWND-VAL/AM(MPH)   E 13                      E 12
20FTWND-RDG/PM(MPH)   E 11         E 13         E 11
MIXING HGT(FT-AGL/MSL)3453                      3164
TRANSPORT WND (MPH)   E 18                      E 16
VENT RATE (KT-FT)     49206                     44471
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$


.FORECAST FOR DAYS 3 THROUGH 7...

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

$$



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