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

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960
FNCA52 TJSJ 190802
FWFSJU

Fire Weather Planning Forecast for Puerto Rico
National Weather Service San Juan PR
402 AM AST Sun Jan 19 2025

.DISCUSSION...

Sunny to partly cloudy skies and breezy conditions are expected in
general across the southern coast of Puerto Rico and portions of
the islands today. Wind speeds are forecast to range between 18
and 24 mph with gusts near 30 mph and higher at times. The
relative humidity is expected to drop near 50% along the southern
sections. However, the KBDI values remain below fire weather
thresholds. Therefore, the fire danger threat remains low for
today.


PRZ014-200815-
Southeast Coastal Plains-
402 AM AST Sun Jan 19 2025

                      Today        Tonight      Mon

Cloud Cover           Mclear       Mclear       Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     20           10           20
Temp (24h trend)      90 (+4)      71 (-2)      90
RH % (24h trend)      49 (-8)      90 (+4)      50
Wind 20ft/early(mph)  E 20 G27     E 13         E 18 G23
Wind 20ft/late(mph)   E 20 G27     E 13         E 18 G23
Mixing Hgt(ft-agl/msl)4740                      4410
Transport Wnd (mph)   E 22                      E 18
Vent Rate (kt-ft)     90060                     70560
Dispersion            5                         5
DSI                   5            4            5
LAL                   1            1            1
Haines Index          3            3            4
RH Recovery                        Excellent

Remarks...None.

$$

PRZ015-200815-
Southern Hills-
402 AM AST Sun Jan 19 2025

                      Today        Tonight      Mon

Cloud Cover           Pcldy        Mclear       Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     20           0            20
Temp (24h trend)      86 (+5)      67 (-3)      86
RH % (24h trend)      58 (-11)     95 (+4)      56
Wind 20ft/early(mph)  E 16         E 12         E 14
Wind 20ft/late(mph)   E 16         E 12         E 14
Mixing Hgt(ft-agl/msl)5540                      4720
Transport Wnd (mph)   E 21                      E 17
Vent Rate (kt-ft)     99720                     70800
Dispersion            5                         5
DSI                   5            3            5
LAL                   1            1            1
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ016-200815-
North Coastal Plains-
402 AM AST Sun Jan 19 2025

                      Today        Tonight      Mon

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     40           50           50
Temp (24h trend)      87 (+3)      70 (-2)      86
RH % (24h trend)      63 (-10)     99 (+2)      65
Wind 20ft/early(mph)  E 20 G23     E 19         E 21 G23
Wind 20ft/late(mph)   E 20 G23     E 19         E 21 G23
Mixing Hgt(ft-agl/msl)4280                      3490
Transport Wnd (mph)   E 22                      E 23
Vent Rate (kt-ft)     81320                     69800
Dispersion            5                         5
DSI                   6            5            6
LAL                   1            1            1
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ017-200815-
Northern Hills-
402 AM AST Sun Jan 19 2025

                      Today        Tonight      Mon

Cloud Cover           Pcldy        Mclear       Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     20           10           30
Temp (24h trend)      85 (+3)      68 (-2)      85
RH % (24h trend)      63 (-10)     99 (+1)      65
Wind 20ft/early(mph)  E 18         E 17         E 19
Wind 20ft/late(mph)   E 18         E 17         E 19
Mixing Hgt(ft-agl/msl)5130                      4150
Transport Wnd (mph)   E 18                      E 20
Vent Rate (kt-ft)     82080                     70550
Dispersion            5                         5
DSI                   6            4            6
LAL                   1            1            1
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ018-200815-
West Coast-
402 AM AST Sun Jan 19 2025

                      Today        Tonight      Mon

Cloud Cover           Pcldy        Mclear       Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     40           10           30
Temp (24h trend)      89 (+2)      67 (-3)      89
RH % (24h trend)      57 (-6)      98 (+5)      55
Wind 20ft/early(mph)  E 17         E 16         E 18
Wind 20ft/late(mph)   E 17         E 16         E 18
Mixing Hgt(ft-agl/msl)4950                      4660
Transport Wnd (mph)   E 13                      E 16
Vent Rate (kt-ft)     54450                     65240
Dispersion            5                         5
DSI                   5            4            5
LAL                   1            1            1
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ019-200815-
Eastern Interior-
402 AM AST Sun Jan 19 2025

                      Today        Tonight      Mon

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     40           60           60
Temp (24h trend)      84 (+3)      68 (-3)      84
RH % (24h trend)      65 (-10)     98 (+2)      65
Wind 20ft/early(mph)  E 16         E 13         E 17
Wind 20ft/late(mph)   E 16         E 13         E 17
Mixing Hgt(ft-agl/msl)4590                      3710
Transport Wnd (mph)   E 21                      E 20
Vent Rate (kt-ft)     82620                     63070
Dispersion            5                         5
DSI                   5            4            5
LAL                   1            1            1
Haines Index          3            3            4
RH Recovery                        Excellent

Remarks...None.

$$

PRZ022-200815-
Luquillo Mountain Range-
402 AM AST Sun Jan 19 2025

                      Today        Tonight      Mon

Cloud Cover           Pcldy        Mcldy        Mcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     50           60           60
Temp (24h trend)      79 (+2)      66 (-4)      79
RH % (24h trend)      73 (-8)      100 (+3)     72
Wind 20ft/early(mph)  E 13         E 11         E 14 G17
Wind 20ft/late(mph)   E 13         E 11         E 14 G17
Mixing Hgt(ft-agl/msl)4080                      3720
Transport Wnd (mph)   E 23                      E 22
Vent Rate (kt-ft)     81600                     70680
Dispersion            5                         5
DSI                   6            5            6
LAL                   1            1            1
Haines Index          3            3            4
RH Recovery                        Excellent

Remarks...None.

$$

PRZ023-200815-
Central Mountain Range-
402 AM AST Sun Jan 19 2025

                      Today        Tonight      Mon

Cloud Cover           Pcldy        Mclear       Pcldy
Precip Type           Showers      None         Showers
Chance Precip (%)     30           0            30
Temp (24h trend)      84 (+5)      64 (-3)      84
RH % (24h trend)      59 (-13)     98 (+1)      60
Wind 20ft/early(mph)  E 11         E 10         E 16
Wind 20ft/late(mph)   E 11         E 10         E 16
Mixing Hgt(ft-agl/msl)6160                      4800
Transport Wnd (mph)   E 16                      E 17
Vent Rate (kt-ft)     86240                     72000
Dispersion            5                         5
DSI                   5            2            5
LAL                   1            1            1
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ024-200815-
Cayey Mountain Range-
402 AM AST Sun Jan 19 2025

                      Today        Tonight      Mon

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     30           50           40
Temp (24h trend)      80 (+3)      67 (-2)      80
RH % (24h trend)      71 (-8)      100 (+2)     70
Wind 20ft/early(mph)  E 13         E 11         E 13
Wind 20ft/late(mph)   E 13         E 11         E 13
Mixing Hgt(ft-agl/msl)4150                      3800
Transport Wnd (mph)   E 24                      E 23
Vent Rate (kt-ft)     87150                     76000
Dispersion            5                         5
DSI                   5            4            5
LAL                   1            1            1
Haines Index          3            3            4
RH Recovery                        Excellent

Remarks...None.

$$

PRZ025-200815-
Vieques-
402 AM AST Sun Jan 19 2025

                      Today        Tonight      Mon

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     30           50           50
Temp (24h trend)      85 (0)       73 (-1)      85
RH % (24h trend)      63 (-3)      94 (+2)      62
Wind 20ft/early(mph)  E 18 G22     E 17 G21     E 19 G23
Wind 20ft/late(mph)   E 18 G22     E 17 G21     E 19 G23
Mixing Hgt(ft-agl/msl)3480                      3570
Transport Wnd (mph)   E 23                      E 24
Vent Rate (kt-ft)     69600                     74970
Dispersion            5                         5
DSI                   6            6            6
LAL                   1            1            1
Haines Index          3            3            4
RH Recovery                        Excellent

Remarks...None.

$$

PRZ026-200815-
Culebra-
402 AM AST Sun Jan 19 2025

                      Today        Tonight      Mon

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     30           40           50
Temp (24h trend)      85 (0)       74 (-2)      85
RH % (24h trend)      63 (-6)      95 (+5)      62
Wind 20ft/early(mph)  E 18 G23     E 17 G22     E 19 G23
Wind 20ft/late(mph)   E 18 G23     E 17 G22     E 19 G23
Mixing Hgt(ft-agl/msl)3500                      3550
Transport Wnd (mph)   E 23                      E 25
Vent Rate (kt-ft)     70000                     78100
Dispersion            5                         5
DSI                   6            6            6
LAL                   1            1            1
Haines Index          3            3            4
RH Recovery                        Excellent

Remarks...None.

$$

PRZ027-200815-
Southwest Coastal Plains and Mona Island-
402 AM AST Sun Jan 19 2025

                      Today        Tonight      Mon

Cloud Cover           Mclear       Mclear       Pcldy
Precip Type           Showers      None         Showers
Chance Precip (%)     10           0            30
Temp (24h trend)      90 (+2)      69 (-3)      91
RH % (24h trend)      47 (-7)      89 (+2)      47
Wind 20ft/early(mph)  E 24 G30     E 23 G28     E 21 G28
Wind 20ft/late(mph)   E 24 G30     E 23 G28     E 21 G28
Mixing Hgt(ft-agl/msl)5450                      5000
Transport Wnd (mph)   E 22                      E 16
Vent Rate (kt-ft)     103550                    70000
Dispersion            5                         5
DSI                   5            4            5
LAL                   1            1            1
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

VIZ001-200815-
Saint Thomas and Saint John-
402 AM AST Sun Jan 19 2025

                      Today        Tonight      Mon

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     30           30           40
Temp (24h trend)      85 (0)       72 (-3)      85
RH % (24h trend)      61 (-5)      98 (+8)      61
Wind 20ft/early(mph)  E 19 G23     E 19 G23     E 19 G23
Wind 20ft/late(mph)   E 19 G23     E 19 G23     E 19 G23
Mixing Hgt(ft-agl/msl)3470                      3610
Transport Wnd (mph)   E 26                      E 25
Vent Rate (kt-ft)     79810                     79420
Dispersion            5                         5
DSI                   6            6            6
LAL                   1            1            1
Haines Index          3            3            4
RH Recovery                        Excellent

Remarks...None.

$$

VIZ002-200815-
St Croix-
402 AM AST Sun Jan 19 2025

                      Today        Tonight      Mon

Cloud Cover           Mclear       Mclear       Mclear
Precip Type           Showers      Showers      Showers
Chance Precip (%)     20           10           10
Temp (24h trend)      85 (0)       74 (-1)      85
RH % (24h trend)      62 (-6)      89 (-2)      62
Wind 20ft/early(mph)  E 18 G22     E 17 G20     E 18 G23
Wind 20ft/late(mph)   E 18 G22     E 17 G20     E 18 G23
Mixing Hgt(ft-agl/msl)4060                      3970
Transport Wnd (mph)   E 26                      E 28
Vent Rate (kt-ft)     93380                     95280
Dispersion            5                         5
DSI                   6            6            6
LAL                   1            1            1
Haines Index          4            3            4
RH Recovery                        Excellent

Remarks...None.

$$


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