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

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FNCA52 TJSJ 240921
FWFSJU

Fire Weather Planning Forecast for PUERTO RICO
National Weather Service SAN JUAN PR
521 AM AST Mon Jul 24 2017

.DISCUSSION...A DRY AIR MASS WITH SAHARAN DUST PARTICLES WILL
RESULT IN THE RELATIVE HUMIDITIES BETWEEN 45-50 PERCENT LATE THIS
MORNING. 20-FT WINDS WILL BE AROUND 15-20 MPH WITH GUSTS OVER 25
MPH AT TIMES. KDBI VALUES CONTINUE ABOVE 700 AT CAMP SANTIAGO AND
GUANICA. THEREFORE...AN ELEVATED FIRE DANGER IS LIKELY TODAY.

FOR MORE INFORMATION...REFER TO THE FIRE DANGER STATEMENT ISSUED
FOR THE SOUTH COASTAL PLAINS OF PUERTO RICO BY THE NATIONAL
WEATHER SERVICE SAN JUAN, PR.

PRZ014-250930-
Southeast Coastal Plains-
521 AM AST Mon Jul 24 2017

                      Today        Tonight      Tue

CLOUD COVER           MClear       MClear       MClear
PRECIP TYPE           NONE         NONE         showers
CHANCE PRECIP (%)     0            0            20
TEMP (24H TREND)      95 (+4)      74 (0)       93
RH % (24H TREND)      44 (-32)     93 (-4)      47
20FTWND-VAL/AM(MPH)   E 12                      E 11
20FTWND-RDG/PM(MPH)   E 14         E  9         SE 14
MIXING HGT(FT-AGL/MSL)6000                      6500
TRANSPORT WND (MPH)   E 18                      E 18
VENT RATE (KT-FT)     94504                     111094
DISPERSION            5                         5
DSI                   6            5            6
LAL                   1            1            2
HAINES INDEX          3            4            3

Remarks...None.


$$

PRZ015-250930-
Southern Hills-
521 AM AST Mon Jul 24 2017

                      Today        Tonight      Tue

CLOUD COVER           MClear       MClear       PCldy
PRECIP TYPE           showers      showers      tstms
CHANCE PRECIP (%)     10           0            30
TEMP (24H TREND)      92 (+4)      70 (-1)      90
RH % (24H TREND)      47 (-34)     97 (-2)      53
20FTWND-VAL/AM(MPH)   E 11                      E 10
20FTWND-RDG/PM(MPH)   E 12         NE  9        E 11
MIXING HGT(FT-AGL/MSL)6000                      6500
TRANSPORT WND (MPH)   E 16                      E 16
VENT RATE (KT-FT)     88830                     100100
DISPERSION            5                         5
DSI                   6            3            6
LAL                   1            1            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ016-250930-
North Coastal Plains-
521 AM AST Mon Jul 24 2017

                      Today        Tonight      Tue

CLOUD COVER           MClear       PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     0            50           50
TEMP (24H TREND)      92 (+2)      76 (+1)      88
RH % (24H TREND)      52 (-29)     90 (-6)      59
20FTWND-VAL/AM(MPH)   E 11                      E 11
20FTWND-RDG/PM(MPH)   E 15         E 11         E 14
MIXING HGT(FT-AGL/MSL)5500                      5500
TRANSPORT WND (MPH)   E 17                      E 17
VENT RATE (KT-FT)     80504                     89901
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            2
HAINES INDEX          4            4            3

Remarks...None.


$$

PRZ017-250930-
Northern Hills-
521 AM AST Mon Jul 24 2017

                      Today        Tonight      Tue

CLOUD COVER           MClear       PCldy        PCldy
PRECIP TYPE           showers      showers      tstms
CHANCE PRECIP (%)     10           20           30
TEMP (24H TREND)      93 (+4)      72 (+1)      89
RH % (24H TREND)      50 (-33)     98 (-2)      58
20FTWND-VAL/AM(MPH)   E  9                      E  9
20FTWND-RDG/PM(MPH)   NE 13        E  9         NE 12
MIXING HGT(FT-AGL/MSL)5500                      5500
TRANSPORT WND (MPH)   E 15                      E 16
VENT RATE (KT-FT)     81672                     84700
DISPERSION            5                         5
DSI                   6            5            6
LAL                   1            1            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ018-250930-
West Coast-
521 AM AST Mon Jul 24 2017

                      Today        Tonight      Tue

CLOUD COVER           MClear       MClear       PCldy
PRECIP TYPE           showers      showers      tstms
CHANCE PRECIP (%)     20           10           60
TEMP (24H TREND)      94 (+4)      74 (+1)      92
RH % (24H TREND)      47 (-35)     96 (-2)      51
20FTWND-VAL/AM(MPH)   E  9                      E  9
20FTWND-RDG/PM(MPH)   E  9         E  5         E  9
MIXING HGT(FT-AGL/MSL)6500                      6500
TRANSPORT WND (MPH)   E 13                      E 15
VENT RATE (KT-FT)     91738                     98254
DISPERSION            5                         5
DSI                   6            4            6
LAL                   1            1            2
HAINES INDEX          3            4            3

Remarks...None.


$$

PRZ019-250930-
Eastern Interior-
521 AM AST Mon Jul 24 2017

                      Today        Tonight      Tue

CLOUD COVER           MClear       PCldy        PCldy
PRECIP TYPE           showers      showers      tstms
CHANCE PRECIP (%)     10           20           50
TEMP (24H TREND)      92 (+4)      72 (-1)      89
RH % (24H TREND)      48 (-35)     96 (-3)      57
20FTWND-VAL/AM(MPH)   E 10                      E  9
20FTWND-RDG/PM(MPH)   E 12         E  9         E 11
MIXING HGT(FT-AGL/MSL)5500                      6000
TRANSPORT WND (MPH)   E 17                      E 16
VENT RATE (KT-FT)     81237                     85600
DISPERSION            5                         5
DSI                   6            5            6
LAL                   1            1            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ022-250930-
Luquillo Mountain Range-
521 AM AST Mon Jul 24 2017

                      Today        Tonight      Tue

CLOUD COVER           MClear       PCldy        PCldy
PRECIP TYPE           showers      showers      tstms
CHANCE PRECIP (%)     10           60           60
TEMP (24H TREND)      87 (+5)      72 (+1)      85
RH % (24H TREND)      58 (-32)     89 (-11)     64
20FTWND-VAL/AM(MPH)   E 11                      E 11
20FTWND-RDG/PM(MPH)   E 11         E 10         E 11
MIXING HGT(FT-AGL/MSL)4500                      3500
TRANSPORT WND (MPH)   E 17                      E 15
VENT RATE (KT-FT)     67500                     46641
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ023-250930-
Central Mountain Range-
521 AM AST Mon Jul 24 2017

                      Today        Tonight      Tue

CLOUD COVER           MClear       MClear       PCldy
PRECIP TYPE           showers      showers      tstms
CHANCE PRECIP (%)     10           10           70
TEMP (24H TREND)      91 (+5)      69 (+1)      87
RH % (24H TREND)      50 (-34)     100 (0)      56
20FTWND-VAL/AM(MPH)   E  9                      E  9
20FTWND-RDG/PM(MPH)   E 10         NE  9        E 10
MIXING HGT(FT-AGL/MSL)6000                      6000
TRANSPORT WND (MPH)   E 14                      E 15
VENT RATE (KT-FT)     74175                     80069
DISPERSION            5                         5
DSI                   5            3            5
LAL                   1            1            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ024-250930-
Cayey Mountain Range-
521 AM AST Mon Jul 24 2017

                      Today        Tonight      Tue

CLOUD COVER           MClear       MClear       MClear
PRECIP TYPE           showers      showers      tstms
CHANCE PRECIP (%)     10           10           20
TEMP (24H TREND)      89 (+4)      72 (+1)      87
RH % (24H TREND)      53 (-33)     94 (-6)      57
20FTWND-VAL/AM(MPH)   E 11                      E 10
20FTWND-RDG/PM(MPH)   E 13         NE 10        E 12
MIXING HGT(FT-AGL/MSL)5000                      5000
TRANSPORT WND (MPH)   E 18                      E 16
VENT RATE (KT-FT)     76067                     76333
DISPERSION            5                         5
DSI                   6            5            6
LAL                   1            1            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ025-250930-
Vieques-
521 AM AST Mon Jul 24 2017

                      Today        Tonight      Tue

CLOUD COVER           MClear       PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     10           60           60
TEMP (24H TREND)      90 (+1)      81 (+4)      90
RH % (24H TREND)      60 (-27)     83 (-13)     60
20FTWND-VAL/AM(MPH)   E 13                      E 13
20FTWND-RDG/PM(MPH)   E 13         E 13         E 13
MIXING HGT(FT-AGL/MSL)3500                      3000
TRANSPORT WND (MPH)   E 20                      E 20
VENT RATE (KT-FT)     60857                     54252
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          4            4            3

Remarks...None.


$$

PRZ026-250930-
Culebra-
521 AM AST Mon Jul 24 2017

                      Today        Tonight      Tue

CLOUD COVER           MClear       PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     10           60           60
TEMP (24H TREND)      90 (+1)      81 (0)       89
RH % (24H TREND)      64 (-20)     83 (-7)      65
20FTWND-VAL/AM(MPH)   E 14                      E 15
20FTWND-RDG/PM(MPH)   E 13         E 15         E 13
MIXING HGT(FT-AGL/MSL)3000                      3000
TRANSPORT WND (MPH)   E 21                      E 22
VENT RATE (KT-FT)     54852                     56400
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          4            4            3

Remarks...None.


$$

PRZ027-250930-
Southwest Coastal Plains and Mona Island-
521 AM AST Mon Jul 24 2017

                      Today        Tonight      Tue

CLOUD COVER           MClear       MClear       MClear
PRECIP TYPE           NONE         NONE         showers
CHANCE PRECIP (%)     0            0            20
TEMP (24H TREND)      95 (+3)      74 (-2)      93
RH % (24H TREND)      45 (-30)     92 (-2)      46
20FTWND-VAL/AM(MPH)   E 14                      E 11
20FTWND-RDG/PM(MPH)   SE 15        E  9         SE 14
MIXING HGT(FT-AGL/MSL)6500                      6500
TRANSPORT WND (MPH)   E 16                      E 16
VENT RATE (KT-FT)     98752                     105268
DISPERSION            5                         5
DSI                   6            4            6
LAL                   1            1            2
HAINES INDEX          3            4            3

Remarks...None.


$$

VIZ001-250930-
Saint Thomas and Saint John-
521 AM AST Mon Jul 24 2017

                      Today        Tonight      Tue

CLOUD COVER           MClear       PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     10           60           60
TEMP (24H TREND)      92 (+3)      79 (+1)      91
RH % (24H TREND)      56 (-27)     86 (-7)      59
20FTWND-VAL/AM(MPH)   E 14                      E 14
20FTWND-RDG/PM(MPH)   E 14         E 15         E 13
MIXING HGT(FT-AGL/MSL)3500                      3000
TRANSPORT WND (MPH)   E 22                      E 22
VENT RATE (KT-FT)     66777                     56000
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          4            4            3

Remarks...None.


$$

VIZ002-250930-
St Croix-
521 AM AST Mon Jul 24 2017

                      Today        Tonight      Tue

CLOUD COVER           MClear       PCldy        PCldy
PRECIP TYPE           showers      showers      showers
CHANCE PRECIP (%)     10           50           50
TEMP (24H TREND)      92 (+3)      76 (-1)      89
RH % (24H TREND)      56 (-28)     93 (-3)      60
20FTWND-VAL/AM(MPH)   E 13                      E 13
20FTWND-RDG/PM(MPH)   E 13         E 14         E 13
MIXING HGT(FT-AGL/MSL)3500                      3000
TRANSPORT WND (MPH)   E 21                      E 22
VENT RATE (KT-FT)     64167                     58474
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          4            3            3

Remarks...None.


$$


.FORECAST FOR DAYS 3 THROUGH 7...

.WEDNESDAY...MOSTLY CLEAR. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS IN THE MID 70S. HIGHS IN THE UPPER 80S. NORTH
WINDS AROUND 10 MPH.
.THURSDAY...MOSTLY CLEAR. LOWS IN THE MID 70S. HIGHS IN THE UPPER
80S. EAST WINDS AROUND 10 MPH.
.FRIDAY...MOSTLY CLEAR. LOWS IN THE MID 70S. HIGHS IN THE UPPER
80S. EAST WINDS AROUND 10 MPH.
.SATURDAY...MOSTLY CLEAR. LOWS IN THE MID 70S. HIGHS IN THE UPPER
80S. EAST WINDS AROUND 10 MPH.
.SUNDAY...MOSTLY CLEAR. LOWS IN THE MID 70S. HIGHS IN THE UPPER
80S. EAST WINDS AROUND 10 MPH.

$$


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