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

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096
FNCA52 TJSJ 280853
FWFSJU

Fire Weather Planning Forecast for Puerto Rico
National Weather Service San Juan PR
453 AM AST Fri Feb 28 2025

.DISCUSSION...

Wetting rains were observed yesterday over west to southwest PR,
and over southeast PR during the overnight hours (currently moving
towards south-central PR). RH values today are forecast in the
mid to upper 50s, and higher, along the southern coastal plains.
Winds will be light to moderate from the east-southeast,
increasing during the weekend. Given the expected conditions, the
fire weather threat will remain moderate for today.


PRZ014-010900-
Southeast Coastal Plains-
453 AM AST Fri Feb 28 2025

                      Today        Tonight      Sat

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     50           40           30
Temp (24h trend)      87 (+1)      70 (-3)      88
RH % (24h trend)      58 (-3)      92 (+5)      50
Wind 20ft/early(mph)  SE 12 G17    E 10         E 21 G27
Wind 20ft/late(mph)   SE 12 G17    E 10         E 21 G27
Mixing Hgt(ft-agl/msl)4830                      4650
Transport Wnd (mph)   E 13                      E 21
Vent Rate (kt-ft)     53130                     83700
Dispersion            5                         5
DSI                   5            3            5
RH Recovery                        Excellent

Remarks...None.

$$

PRZ015-010900-
Southern Hills-
453 AM AST Fri Feb 28 2025

                      Today        Tonight      Sat

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     50           20           40
Temp (24h trend)      84 (+2)      66 (-4)      84
RH % (24h trend)      64 (-3)      98 (+8)      63
Wind 20ft/early(mph)  SE 10        E  8         SE 16
Wind 20ft/late(mph)   SE 10        E  8         SE 16
Mixing Hgt(ft-agl/msl)5630                      5380
Transport Wnd (mph)   E 12                      SE 21
Vent Rate (kt-ft)     56300                     96840
Dispersion            5                         5
DSI                   5            2            5
RH Recovery                        Excellent

Remarks...None.

$$

PRZ016-010900-
North Coastal Plains-
453 AM AST Fri Feb 28 2025

                      Today        Tonight      Sat

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     60           50           30
Temp (24h trend)      87 (+1)      69 (-3)      87
RH % (24h trend)      63 (-4)      100 (+6)     62
Wind 20ft/early(mph)  E 17         E 13         E 16 G18
Wind 20ft/late(mph)   E 17         E 13         E 16 G18
Mixing Hgt(ft-agl/msl)4750                      5290
Transport Wnd (mph)   E 12                      E 16
Vent Rate (kt-ft)     47500                     74060
Dispersion            5                         5
DSI                   5            3            5
RH Recovery                        Excellent

Remarks...None.

$$

PRZ017-010900-
Northern Hills-
453 AM AST Fri Feb 28 2025

                      Today        Tonight      Sat

Cloud Cover           Pcldy        Mclear       Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     70           10           60
Temp (24h trend)      85 (+1)      68 (-2)      86
RH % (24h trend)      64 (-3)      99 (+5)      63
Wind 20ft/early(mph)  E 13         SE 10        E 13
Wind 20ft/late(mph)   E 13         SE 10        E 13
Mixing Hgt(ft-agl/msl)5770                      6190
Transport Wnd (mph)   E  9                      SE 14
Vent Rate (kt-ft)     46160                     74280
Dispersion            5                         5
DSI                   5            2            5
RH Recovery                        Excellent

Remarks...None.

$$

PRZ018-010900-
West Coast-
453 AM AST Fri Feb 28 2025

                      Today        Tonight      Sat

Cloud Cover           Pcldy        Mclear       Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     40           20           20
Temp (24h trend)      87 (0)       68 (-1)      88
RH % (24h trend)      62 (-4)      98 (+6)      61
Wind 20ft/early(mph)  SE 11        E  6         E 17
Wind 20ft/late(mph)   SE 11        E  6         E 17
Mixing Hgt(ft-agl/msl)4790                      4930
Transport Wnd (mph)   E  7                      SE 15
Vent Rate (kt-ft)     28740                     64090
Dispersion            5                         5
DSI                   5            2            5
RH Recovery                        Excellent

Remarks...None.

$$

PRZ019-010900-
Eastern Interior-
453 AM AST Fri Feb 28 2025

                      Today        Tonight      Sat

Cloud Cover           Mcldy        Pcldy        Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     60           60           40
Temp (24h trend)      85 (+2)      67 (-4)      84
RH % (24h trend)      63 (-1)      100 (+5)     64
Wind 20ft/early(mph)  SE 10        SE 10        SE 17
Wind 20ft/late(mph)   SE 10        SE 10        SE 17
Mixing Hgt(ft-agl/msl)6100                      5250
Transport Wnd (mph)   SE 12                     SE 20
Vent Rate (kt-ft)     61000                     89250
Dispersion            5                         5
DSI                   5            3            5
RH Recovery                        Excellent

Remarks...None.

$$

PRZ022-010900-
Luquillo Mountain Range-
453 AM AST Fri Feb 28 2025

                      Today        Tonight      Sat

Cloud Cover           Mcldy        Mcldy        Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     60           60           60
Temp (24h trend)      81 (+3)      66 (-3)      80
RH % (24h trend)      69 (-3)      100 (+2)     70
Wind 20ft/early(mph)  SE  9        SE  8        SE 14 G17
Wind 20ft/late(mph)   SE  9        SE  8        SE 14 G17
Mixing Hgt(ft-agl/msl)4390                      3750
Transport Wnd (mph)   SE 12                     SE 23
Vent Rate (kt-ft)     43900                     75000
Dispersion            5                         5
DSI                   5            4            6
RH Recovery                        Excellent

Remarks...None.

$$

PRZ023-010900-
Central Mountain Range-
453 AM AST Fri Feb 28 2025

                      Today        Tonight      Sat

Cloud Cover           Pcldy        Mclear       Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     60           10           40
Temp (24h trend)      83 (+3)      64 (-3)      82
RH % (24h trend)      65 (-4)      98 (+5)      66
Wind 20ft/early(mph)  SE  8        SE  5        SE 11
Wind 20ft/late(mph)   SE  8        SE  5        SE 11
Mixing Hgt(ft-agl/msl)6730                      6220
Transport Wnd (mph)   SE  9                     SE 16
Vent Rate (kt-ft)     53840                     87080
Dispersion            5                         5
DSI                   5            1            5
RH Recovery                        Excellent

Remarks...None.

$$

PRZ024-010900-
Cayey Mountain Range-
453 AM AST Fri Feb 28 2025

                      Today        Tonight      Sat

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     60           60           50
Temp (24h trend)      80 (+1)      65 (-4)      79
RH % (24h trend)      71 (0)       100 (+2)     73
Wind 20ft/early(mph)  SE  9        E  6         E 14
Wind 20ft/late(mph)   SE  9        E  6         E 14
Mixing Hgt(ft-agl/msl)4950                      4040
Transport Wnd (mph)   SE 12                     SE 22
Vent Rate (kt-ft)     49500                     76760
Dispersion            5                         5
DSI                   5            2            5
RH Recovery                        Excellent

Remarks...None.

$$

PRZ025-010900-
Vieques-
453 AM AST Fri Feb 28 2025

                      Today        Tonight      Sat

Cloud Cover           Mcldy        Mcldy        Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     50           60           60
Temp (24h trend)      87 (0)       72 (-1)      86
RH % (24h trend)      58 (0)       96 (+3)      59
Wind 20ft/early(mph)  SE 11        E 12         E 18 G22
Wind 20ft/late(mph)   SE 11        E 12         E 18 G22
Mixing Hgt(ft-agl/msl)3100                      3360
Transport Wnd (mph)   E 16                      E 23
Vent Rate (kt-ft)     43400                     67200
Dispersion            5                         5
DSI                   6            6            6
RH Recovery                        Excellent

Remarks...None.

$$

PRZ026-010900-
Culebra-
453 AM AST Fri Feb 28 2025

                      Today        Tonight      Sat

Cloud Cover           Mcldy        Mcldy        Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     50           50           60
Temp (24h trend)      86 (-1)      74 (0)       85
RH % (24h trend)      63 (+3)      96 (+2)      61
Wind 20ft/early(mph)  SE 11        SE 13 G17    E 18 G23
Wind 20ft/late(mph)   SE 11        SE 13 G17    E 18 G23
Mixing Hgt(ft-agl/msl)2830                      3480
Transport Wnd (mph)   E 16                      E 21
Vent Rate (kt-ft)     39620                     62640
Dispersion            5                         5
DSI                   6            6            6
RH Recovery                        Excellent

Remarks...None.

$$

PRZ027-010900-
Southwest Coastal Plains and Mona Island-
453 AM AST Fri Feb 28 2025

                      Today        Tonight      Sat

Cloud Cover           Mclear       Mclear       Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     20           20           40
Temp (24h trend)      88 (+1)      71 (-1)      89
RH % (24h trend)      59 (-4)      89 (+4)      48
Wind 20ft/early(mph)  SE 16 G20    E 11         SE 23 G29
Wind 20ft/late(mph)   SE 16 G20    E 11         SE 23 G29
Mixing Hgt(ft-agl/msl)5110                      5120
Transport Wnd (mph)   E 13                      E 23
Vent Rate (kt-ft)     56210                     102400
Dispersion            5                         5
DSI                   5            4            5
RH Recovery                        Excellent

Remarks...None.

$$

VIZ001-010900-
Saint Thomas and Saint John-
453 AM AST Fri Feb 28 2025

                      Today        Tonight      Sat

Cloud Cover           Pcldy        Mcldy        Mclear
Precip Type           Showers      Showers      Showers
Chance Precip (%)     50           50           30
Temp (24h trend)      85 (0)       73 (0)       84
RH % (24h trend)      61 (-1)      97 (+3)      60
Wind 20ft/early(mph)  SE 12        SE 16 G20    E 18 G23
Wind 20ft/late(mph)   SE 12        SE 16 G20    E 18 G23
Mixing Hgt(ft-agl/msl)2880                      3880
Transport Wnd (mph)   E 17                      E 22
Vent Rate (kt-ft)     43200                     73720
Dispersion            5                         5
DSI                   6            6            6
RH Recovery                        Excellent

Remarks...None.

$$

VIZ002-010900-
St Croix-
453 AM AST Fri Feb 28 2025

                      Today        Tonight      Sat

Cloud Cover           Pcldy        Pcldy        Mclear
Precip Type           Showers      Showers      Showers
Chance Precip (%)     50           50           30
Temp (24h trend)      85 (0)       74 (-1)      86
RH % (24h trend)      63 (-1)      91 (+2)      59
Wind 20ft/early(mph)  SE 12        E 14         E 19 G23
Wind 20ft/late(mph)   SE 12        E 14         E 19 G23
Mixing Hgt(ft-agl/msl)4280                      4550
Transport Wnd (mph)   SE 15                     E 23
Vent Rate (kt-ft)     55640                     91000
Dispersion            5                         5
DSI                   6            6            6
RH Recovery                        Excellent

Remarks...None.

$$


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