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

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318
FNCA52 TJSJ 060917
FWFSJU

Fire Weather Planning Forecast for Puerto Rico
National Weather Service San Juan PR
517 AM AST Sun Oct 6 2024

.DISCUSSION...

KDBI and soil conditions remain below the fire danger thresholds
for the southeastern coastal plains of Puerto Rico. Relative
humidity values will range from the mid-50s to low-60s across
fire-prone areas. Winds will be light and variable during the
morning hours, becoming east-northeast at 10 knots with gusts
near shower activity in the afternoon. Given the expected
conditions, fire weather danger will remain low today.


PRZ014-070930-
Southeast Coastal Plains-
517 AM AST Sun Oct 6 2024

                      Today        Tonight      Mon

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      Tstms        Tstms
Chance Precip (%)     40           50           40
Temp (24h trend)      91 (+2)      77 (+1)      91
RH % (24h trend)      52 (-6)      85 (0)       54
Wind 20ft/early(mph)  S  5         Lgt/Var      S  8
Wind 20ft/late(mph)   S  5         Lgt/Var      S  8
Mixing Hgt(ft-agl/msl)3780                      4140
Transport Wnd (mph)   SE  3                     SE  5
Vent Rate (kt-ft)     11340                     16560
Dispersion            4                         5
DSI                   4            1            5
LAL                   2            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ015-070930-
Southern Hills-
517 AM AST Sun Oct 6 2024

                      Today        Tonight      Mon

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     50           50           50
Temp (24h trend)      87 (+3)      73 (-1)      87
RH % (24h trend)      63 (-7)      94 (0)       64
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      S  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      S  5
Mixing Hgt(ft-agl/msl)4150                      4830
Transport Wnd (mph)   S  2                      SE  5
Vent Rate (kt-ft)     8300                      19320
Dispersion            4                         5
DSI                   4            0            5
LAL                   2            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ016-070930-
North Coastal Plains-
517 AM AST Sun Oct 6 2024

                      Today        Tonight      Mon

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     60           50           70
Temp (24h trend)      89 (+1)      77 (0)       88
RH % (24h trend)      70 (-2)      94 (+1)      69
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      NE  6
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      NE  6
Mixing Hgt(ft-agl/msl)3760                      4270
Transport Wnd (mph)   E  2                      SE  2
Vent Rate (kt-ft)     7520                      8540
Dispersion            4                         5
DSI                   4            1            5
LAL                   3            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ017-070930-
Northern Hills-
517 AM AST Sun Oct 6 2024

                      Today        Tonight      Mon

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Showers      Tstms
Chance Precip (%)     80           40           80
Temp (24h trend)      88 (+2)      75 (+1)      87
RH % (24h trend)      69 (-3)      93 (-3)      68
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      N  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      N  5
Mixing Hgt(ft-agl/msl)4110                      4960
Transport Wnd (mph)   SE  1                     S  3
Vent Rate (kt-ft)     4110                      14880
Dispersion            3                         5
DSI                   3            1            5
LAL                   3            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ018-070930-
West Coast-
517 AM AST Sun Oct 6 2024

                      Today        Tonight      Mon

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Showers      Showers
Chance Precip (%)     60           40           30
Temp (24h trend)      89 (0)       75 (+1)      89
RH % (24h trend)      67 (-2)      95 (0)       67
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      S  6
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      S  6
Mixing Hgt(ft-agl/msl)3860                      4470
Transport Wnd (mph)   SW  2                     S  6
Vent Rate (kt-ft)     7720                      22350
Dispersion            4                         5
DSI                   4            1            5
LAL                   3            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ019-070930-
Eastern Interior-
517 AM AST Sun Oct 6 2024

                      Today        Tonight      Mon

Cloud Cover           Mcldy        Pcldy        Pcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     70           50           60
Temp (24h trend)      88 (+3)      74 (0)       89
RH % (24h trend)      65 (-6)      95 (-2)      65
Wind 20ft/early(mph)  S  5         S  5         SE  6
Wind 20ft/late(mph)   S  5         S  5         SE  6
Mixing Hgt(ft-agl/msl)3970                      4990
Transport Wnd (mph)   S  5                      S  5
Vent Rate (kt-ft)     15880                     19960
Dispersion            5                         5
DSI                   4            1            5
LAL                   3            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ022-070930-
Luquillo Mountain Range-
517 AM AST Sun Oct 6 2024

                      Today        Tonight      Mon

Cloud Cover           Mcldy        Pcldy        Pcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     60           50           50
Temp (24h trend)      86 (+5)      71 (-1)      85
RH % (24h trend)      66 (-10)     98 (-1)      68
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      S  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      S  5
Mixing Hgt(ft-agl/msl)4110                      4530
Transport Wnd (mph)   S  5                      S  6
Vent Rate (kt-ft)     16440                     22650
Dispersion            5                         5
DSI                   5            1            5
LAL                   2            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ023-070930-
Central Mountain Range-
517 AM AST Sun Oct 6 2024

                      Today        Tonight      Mon

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     80           50           70
Temp (24h trend)      85 (+3)      72 (+1)      85
RH % (24h trend)      69 (-5)      95 (-2)      69
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      S  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      S  5
Mixing Hgt(ft-agl/msl)4420                      5430
Transport Wnd (mph)   SW  2                     S  5
Vent Rate (kt-ft)     8840                      21720
Dispersion            4                         5
DSI                   4            1            5
LAL                   3            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ024-070930-
Cayey Mountain Range-
517 AM AST Sun Oct 6 2024

                      Today        Tonight      Mon

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     50           50           50
Temp (24h trend)      86 (+4)      72 (+1)      85
RH % (24h trend)      66 (-6)      97 (-2)      67
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      S  5
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      S  5
Mixing Hgt(ft-agl/msl)4020                      4590
Transport Wnd (mph)   S  5                      SE  6
Vent Rate (kt-ft)     16080                     22950
Dispersion            4                         5
DSI                   4            0            4
LAL                   2            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ025-070930-
Vieques-
517 AM AST Sun Oct 6 2024

                      Today        Tonight      Mon

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     60           60           50
Temp (24h trend)      91 (+4)      74 (-2)      91
RH % (24h trend)      59 (-9)      98 (+1)      60
Wind 20ft/early(mph)  SE  5        SE  5        S  6
Wind 20ft/late(mph)   SE  5        SE  5        S  6
Mixing Hgt(ft-agl/msl)3310                      3290
Transport Wnd (mph)   S  6                      S  7
Vent Rate (kt-ft)     16550                     19740
Dispersion            5                         5
DSI                   6            4            6
LAL                   2            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ026-070930-
Culebra-
517 AM AST Sun Oct 6 2024

                      Today        Tonight      Mon

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     60           60           50
Temp (24h trend)      92 (+4)      76 (-2)      92
RH % (24h trend)      59 (-9)      95 (+2)      59
Wind 20ft/early(mph)  SE  5        SE  6        SE  5
Wind 20ft/late(mph)   SE  5        SE  6        SE  5
Mixing Hgt(ft-agl/msl)3240                      3270
Transport Wnd (mph)   S  7                      SE  7
Vent Rate (kt-ft)     19440                     19620
Dispersion            5                         5
DSI                   6            4            6
LAL                   2            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ027-070930-
Southwest Coastal Plains and Mona Island-
517 AM AST Sun Oct 6 2024

                      Today        Tonight      Mon

Cloud Cover           Mclear       Pcldy        Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     20           40           30
Temp (24h trend)      91 (+1)      77 (0)       91
RH % (24h trend)      52 (-6)      86 (0)       54
Wind 20ft/early(mph)  S  5         Lgt/Var      S  9
Wind 20ft/late(mph)   S  5         Lgt/Var      S  9
Mixing Hgt(ft-agl/msl)4160                      4650
Transport Wnd (mph)   S  3                      SE  7
Vent Rate (kt-ft)     12480                     27900
Dispersion            4                         5
DSI                   4            2            5
LAL                   1            2            1
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

VIZ001-070930-
Saint Thomas and Saint John-
517 AM AST Sun Oct 6 2024

                      Today        Tonight      Mon

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     50           60           40
Temp (24h trend)      88 (+2)      77 (-1)      88
RH % (24h trend)      65 (-5)      95 (+3)      66
Wind 20ft/early(mph)  Lgt/Var      SE  6        SE  5
Wind 20ft/late(mph)   Lgt/Var      SE  6        SE  5
Mixing Hgt(ft-agl/msl)3450                      3430
Transport Wnd (mph)   S  6                      S  7
Vent Rate (kt-ft)     17250                     20580
Dispersion            5                         5
DSI                   6            4            6
LAL                   2            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

VIZ002-070930-
St Croix-
517 AM AST Sun Oct 6 2024

                      Today        Tonight      Mon

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     60           60           50
Temp (24h trend)      89 (+3)      77 (+2)      89
RH % (24h trend)      65 (-6)      95 (-3)      66
Wind 20ft/early(mph)  SE  5        SE  6        SE  8
Wind 20ft/late(mph)   SE  5        SE  6        SE  8
Mixing Hgt(ft-agl/msl)4390                      4450
Transport Wnd (mph)   SE  3                     S  8
Vent Rate (kt-ft)     13170                     31150
Dispersion            4                         5
DSI                   5            3            6
LAL                   2            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$


$$