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

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FNCA52 TJSJ 231022 CCA
FWFSJU

Fire Weather Planning Forecast for Puerto Rico...CORRECTED
National Weather Service San Juan PR
622 AM AST Sun Feb 23 2025

.DISCUSSION...

Corrected to include the issuance of an Elevated Fire Danger for
south and western Puerto Rico.

Rain chances are lower than yesterday, RH values will dip into
low- critical values in isolated locations, especially across the
southern slopes. The rainfall deficit continues across PR`s
south- central and western areas. Additionally, winds will be
stronger too, coming out of the east at 15 to 20 mph, with
stronger gusts. As a result, a Fire Weather Statement has been
issued for the south and west coast of Puerto Rico.

PRZ014-240945-
Southeast Coastal Plains-
622 AM AST Sun Feb 23 2025

                      Today        Tonight      Mon

Cloud Cover           Mclear       Clear        Mclear
Precip Type           None         None         Showers
Chance Precip (%)     0            0            20
Temp (24h trend)      88 (+2)      68 (-3)      88
RH % (24h trend)      42 (-9)      85 (0)       41
Wind 20ft/early(mph)  E 16 G21     E 13 G17     E 17 G22
Wind 20ft/late(mph)   E 16 G21     E 13 G17     E 17 G22
Mixing Hgt(ft-agl/msl)5080                      5070
Transport Wnd (mph)   E 15                      E 17
Vent Rate (kt-ft)     66040                     76050
Dispersion            5                         5
DSI                   6            3            5
RH Recovery                        Excellent

Remarks...None.

$$

PRZ015-240945-
Southern Hills-
622 AM AST Sun Feb 23 2025

                      Today        Tonight      Mon

Cloud Cover           Mclear       Mclear       Mclear
Precip Type           Showers      None         Showers
Chance Precip (%)     10           0            20
Temp (24h trend)      84 (+4)      64 (-4)      83
RH % (24h trend)      52 (-13)     95 (+4)      54
Wind 20ft/early(mph)  E 12         E 11         E 13
Wind 20ft/late(mph)   E 12         E 11         E 13
Mixing Hgt(ft-agl/msl)6040                      5680
Transport Wnd (mph)   E 15                      E 17
Vent Rate (kt-ft)     78520                     85200
Dispersion            5                         5
DSI                   5            2            5
RH Recovery                        Excellent

Remarks...None.

$$

PRZ016-240945-
North Coastal Plains-
622 AM AST Sun Feb 23 2025

                      Today        Tonight      Mon

Cloud Cover           Mclear       Mclear       Mclear
Precip Type           Showers      Showers      Showers
Chance Precip (%)     20           10           10
Temp (24h trend)      85 (+2)      67 (-3)      86
RH % (24h trend)      59 (-13)     97 (+1)      57
Wind 20ft/early(mph)  E 19         E 18         E 18
Wind 20ft/late(mph)   E 19         E 18         E 18
Mixing Hgt(ft-agl/msl)5330                      5370
Transport Wnd (mph)   E 15                      E 16
Vent Rate (kt-ft)     69290                     75180
Dispersion            5                         5
DSI                   6            5            6
RH Recovery                        Excellent

Remarks...None.

$$

PRZ017-240945-
Northern Hills-
622 AM AST Sun Feb 23 2025

                      Today        Tonight      Mon

Cloud Cover           Mclear       Mclear       Mclear
Precip Type           Showers      Showers      Showers
Chance Precip (%)     30           10           40
Temp (24h trend)      84 (+4)      65 (-3)      84
RH % (24h trend)      58 (-16)     96 (-3)      56
Wind 20ft/early(mph)  E 17         E 16         E 16
Wind 20ft/late(mph)   E 17         E 16         E 16
Mixing Hgt(ft-agl/msl)6430                      6530
Transport Wnd (mph)   E 13                      E 13
Vent Rate (kt-ft)     70730                     71830
Dispersion            5                         5
DSI                   5            3            5
RH Recovery                        Excellent

Remarks...None.

$$

PRZ018-240945-
West Coast-
622 AM AST Sun Feb 23 2025

                      Today        Tonight      Mon

Cloud Cover           Mclear       Clear        Mclear
Precip Type           Showers      None         Showers
Chance Precip (%)     30           0            20
Temp (24h trend)      87 (+2)      65 (-2)      87
RH % (24h trend)      53 (-11)     95 (-2)      54
Wind 20ft/early(mph)  SE 13        E 11         E 14
Wind 20ft/late(mph)   SE 13        E 11         E 14
Mixing Hgt(ft-agl/msl)5210                      5110
Transport Wnd (mph)   E 12                      E 14
Vent Rate (kt-ft)     52100                     61320
Dispersion            5                         5
DSI                   5            3            5
RH Recovery                        Excellent

Remarks...None.

$$

PRZ019-240945-
Eastern Interior-
622 AM AST Sun Feb 23 2025

                      Today        Tonight      Mon

Cloud Cover           Mclear       Mclear       Mclear
Precip Type           Showers      Showers      Showers
Chance Precip (%)     10           20           30
Temp (24h trend)      84 (+3)      65 (-4)      83
RH % (24h trend)      56 (-11)     97 (+2)      57
Wind 20ft/early(mph)  E 11         E 12         E 13
Wind 20ft/late(mph)   E 11         E 12         E 13
Mixing Hgt(ft-agl/msl)5500                      5510
Transport Wnd (mph)   E 15                      E 16
Vent Rate (kt-ft)     71500                     77140
Dispersion            5                         5
DSI                   5            3            5
RH Recovery                        Excellent

Remarks...None.

$$

PRZ022-240945-
Luquillo Mountain Range-
622 AM AST Sun Feb 23 2025

                      Today        Tonight      Mon

Cloud Cover           Mclear       Mclear       Mclear
Precip Type           Showers      Showers      Showers
Chance Precip (%)     20           20           30
Temp (24h trend)      79 (+2)      64 (-3)      79
RH % (24h trend)      64 (-9)      99 (+2)      65
Wind 20ft/early(mph)  E 11         E  9         E 12
Wind 20ft/late(mph)   E 11         E  9         E 12
Mixing Hgt(ft-agl/msl)4740                      4710
Transport Wnd (mph)   E 16                      E 18
Vent Rate (kt-ft)     66360                     75360
Dispersion            5                         5
DSI                   6            4            6
RH Recovery                        Excellent

Remarks...None.

$$

PRZ023-240945-
Central Mountain Range-
622 AM AST Sun Feb 23 2025

                      Today        Tonight      Mon

Cloud Cover           Mclear       Clear        Mclear
Precip Type           Showers      None         Showers
Chance Precip (%)     30           0            40
Temp (24h trend)      83 (+5)      61 (-4)      82
RH % (24h trend)      56 (-15)     97 (0)       57
Wind 20ft/early(mph)  E 10         E  9         E 10
Wind 20ft/late(mph)   E 10         E  9         E 10
Mixing Hgt(ft-agl/msl)7800                      7130
Transport Wnd (mph)   E  9                      E 10
Vent Rate (kt-ft)     62400                     64170
Dispersion            5                         5
DSI                   5            2            5
RH Recovery                        Excellent

Remarks...None.

$$

PRZ024-240945-
Cayey Mountain Range-
622 AM AST Sun Feb 23 2025

                      Today        Tonight      Mon

Cloud Cover           Mclear       Mclear       Mclear
Precip Type           None         Showers      Showers
Chance Precip (%)     0            10           30
Temp (24h trend)      80 (+3)      64 (-3)      78
RH % (24h trend)      61 (-8)      98 (0)       64
Wind 20ft/early(mph)  E 11         E 10         E 11
Wind 20ft/late(mph)   E 11         E 10         E 11
Mixing Hgt(ft-agl/msl)4970                      4890
Transport Wnd (mph)   E 16                      E 18
Vent Rate (kt-ft)     69580                     78240
Dispersion            5                         5
DSI                   5            3            5
RH Recovery                        Excellent

Remarks...None.

$$

PRZ025-240945-
Vieques-
622 AM AST Sun Feb 23 2025

                      Today        Tonight      Mon

Cloud Cover           Mclear       Mclear       Mclear
Precip Type           Showers      Showers      Showers
Chance Precip (%)     10           30           10
Temp (24h trend)      85 (0)       71 (-3)      85
RH % (24h trend)      56 (-4)      86 (+1)      55
Wind 20ft/early(mph)  E 13 G17     E 14 G19     E 16 G19
Wind 20ft/late(mph)   E 13 G17     E 14 G19     E 16 G19
Mixing Hgt(ft-agl/msl)4280                      3860
Transport Wnd (mph)   E 18                      E 20
Vent Rate (kt-ft)     68480                     65620
Dispersion            5                         5
DSI                   6            6            6
RH Recovery                        Excellent

Remarks...None.

$$

PRZ026-240945-
Culebra-
622 AM AST Sun Feb 23 2025

                      Today        Tonight      Mon

Cloud Cover           Mclear       Mclear       Mclear
Precip Type           Showers      Showers      Showers
Chance Precip (%)     20           20           10
Temp (24h trend)      86 (+1)      72 (-3)      85
RH % (24h trend)      56 (-7)      87 (+4)      57
Wind 20ft/early(mph)  E 13         E 14 G19     E 16 G19
Wind 20ft/late(mph)   E 13         E 14 G19     E 16 G19
Mixing Hgt(ft-agl/msl)4260                      3940
Transport Wnd (mph)   E 17                      E 21
Vent Rate (kt-ft)     63900                     70920
Dispersion            5                         5
DSI                   6            6            6
RH Recovery                        Excellent

Remarks...None.

$$

PRZ027-240945-
Southwest Coastal Plains and Mona Island-
622 AM AST Sun Feb 23 2025

                      Today        Tonight      Mon

Cloud Cover           Mclear       Clear        Mclear
Precip Type           Showers      None         Showers
Chance Precip (%)     10           0            10
Temp (24h trend)      89 (+3)      67 (-3)      88
RH % (24h trend)      42 (-8)      88 (+1)      45
Wind 20ft/early(mph)  SE 18 G24    E 14 G18     SE 20 G26
Wind 20ft/late(mph)   SE 18 G24    E 14 G18     SE 20 G26
Mixing Hgt(ft-agl/msl)5290                      5520
Transport Wnd (mph)   E 18                      E 20
Vent Rate (kt-ft)     84640                     93840
Dispersion            5                         5
DSI                   5            4            5
RH Recovery                        Excellent

Remarks...None.

$$

VIZ001-240945-
Saint Thomas and Saint John-
622 AM AST Sun Feb 23 2025

                      Today        Tonight      Mon

Cloud Cover           Mclear       Mclear       Mclear
Precip Type           Showers      Showers      Showers
Chance Precip (%)     20           20           10
Temp (24h trend)      86 (+1)      71 (-3)      85
RH % (24h trend)      53 (-9)      89 (+4)      54
Wind 20ft/early(mph)  E 13         E 14 G19     E 16 G20
Wind 20ft/late(mph)   E 13         E 14 G19     E 16 G20
Mixing Hgt(ft-agl/msl)4260                      4300
Transport Wnd (mph)   E 18                      E 22
Vent Rate (kt-ft)     68160                     81700
Dispersion            5                         5
DSI                   6            6            6
RH Recovery                        Excellent

Remarks...None.

$$

VIZ002-240945-
St Croix-
622 AM AST Sun Feb 23 2025

                      Today        Tonight      Mon

Cloud Cover           Mclear       Pcldy        Mclear
Precip Type           Showers      Showers      Showers
Chance Precip (%)     20           30           20
Temp (24h trend)      85 (0)       71 (-3)      85
RH % (24h trend)      57 (-6)      85 (+1)      57
Wind 20ft/early(mph)  E 14 G18     E 14         E 14 G18
Wind 20ft/late(mph)   E 14 G18     E 14         E 14 G18
Mixing Hgt(ft-agl/msl)4360                      4510
Transport Wnd (mph)   E 17                      E 20
Vent Rate (kt-ft)     65400                     76670
Dispersion            5                         5
DSI                   6            6            6
RH Recovery                        Excellent

Remarks...None.

$$


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