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

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712
FNCA52 TJSJ 240819
FWFSJU

Fire Weather Planning Forecast for Puerto Rico
National Weather Service San Juan PR
419 AM AST Mon Jun 24 2024

.DISCUSSION...

East to southeast winds with sea breeze variations are expected
to range between 12-16 mph with higher gusts along the southern
coast of Puerto Rico. Relative humidities should not reach
critical fire weather thresholds as a moist airmass is arriving
today. Therefore, a low fire weather risk continues across the
islands today.


PRZ014-250830-
Southeast Coastal Plains-
419 AM AST Mon Jun 24 2024

                      Today        Tonight      Tue

Cloud Cover           Mcldy        Pcldy        Mclear
Precip Type           Tstms        Tstms        Showers
Chance Precip (%)     70           50           10
Temp (24h trend)      91 (0)       77 (-1)      92
RH % (24h trend)      56 (-7)      92 (+5)      50
Wind 20ft/early(mph)  E 14 G20     E 13 G18     E 19 G24
Wind 20ft/late(mph)   E 14 G20     E 13 G18     E 19 G24
Mixing Hgt(ft-agl/msl)4520                      4910
Transport Wnd (mph)   E 17                      E 25
Vent Rate (kt-ft)     67800                     108020
Dispersion            5                         5
DSI                   6            6            6
LAL                   2            2            1
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ015-250830-
Southern Hills-
419 AM AST Mon Jun 24 2024

                      Today        Tonight      Tue

Cloud Cover           Mcldy        Pcldy        Mclear
Precip Type           Tstms        Tstms        Showers
Chance Precip (%)     60           30           10
Temp (24h trend)      88 (+3)      73 (-2)      89
RH % (24h trend)      66 (-3)      98 (+5)      62
Wind 20ft/early(mph)  SE 12        E 13         E 14
Wind 20ft/late(mph)   SE 12        E 13         E 14
Mixing Hgt(ft-agl/msl)5240                      5490
Transport Wnd (mph)   SE 17                     E 24
Vent Rate (kt-ft)     78600                     115290
Dispersion            5                         5
DSI                   6            5            6
LAL                   2            2            1
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ016-250830-
North Coastal Plains-
419 AM AST Mon Jun 24 2024

                      Today        Tonight      Tue

Cloud Cover           Pcldy        Pcldy        Mclear
Precip Type           Tstms        Showers      Showers
Chance Precip (%)     70           30           10
Temp (24h trend)      91 (+1)      76 (-2)      91
RH % (24h trend)      67 (-3)      98 (+3)      63
Wind 20ft/early(mph)  E 17 G19     E 13         E 17 G21
Wind 20ft/late(mph)   E 17 G19     E 13         E 17 G21
Mixing Hgt(ft-agl/msl)4770                      5520
Transport Wnd (mph)   E 15                      SE 22
Vent Rate (kt-ft)     62010                     104880
Dispersion            5                         5
DSI                   6            5            6
LAL                   2            2            1
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ017-250830-
Northern Hills-
419 AM AST Mon Jun 24 2024

                      Today        Tonight      Tue

Cloud Cover           Pcldy        Mclear       Mclear
Precip Type           Tstms        Showers      Showers
Chance Precip (%)     80           20           10
Temp (24h trend)      90 (+2)      73 (-2)      90
RH % (24h trend)      66 (-4)      99 (+2)      62
Wind 20ft/early(mph)  E 13         E 11         E 16
Wind 20ft/late(mph)   E 13         E 11         E 16
Mixing Hgt(ft-agl/msl)5660                      6360
Transport Wnd (mph)   SE 14                     SE 20
Vent Rate (kt-ft)     67920                     108120
Dispersion            5                         5
DSI                   5            3            6
LAL                   3            1            1
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ018-250830-
West Coast-
419 AM AST Mon Jun 24 2024

                      Today        Tonight      Tue

Cloud Cover           Pcldy        Pcldy        Mclear
Precip Type           Tstms        Showers      Showers
Chance Precip (%)     60           40           10
Temp (24h trend)      91 (+1)      76 (0)       92
RH % (24h trend)      63 (-5)      97 (+5)      60
Wind 20ft/early(mph)  SE 13        E 13         SE 18
Wind 20ft/late(mph)   SE 13        E 13         SE 18
Mixing Hgt(ft-agl/msl)4560                      5370
Transport Wnd (mph)   E 14                      E 21
Vent Rate (kt-ft)     54720                     96660
Dispersion            5                         5
DSI                   5            4            6
LAL                   3            2            1
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ019-250830-
Eastern Interior-
419 AM AST Mon Jun 24 2024

                      Today        Tonight      Tue

Cloud Cover           Mcldy        Pcldy        Mclear
Precip Type           Tstms        Tstms        Showers
Chance Precip (%)     70           60           20
Temp (24h trend)      88 (+1)      74 (-2)      89
RH % (24h trend)      68 (-2)      98 (+2)      66
Wind 20ft/early(mph)  SE 13        E 14         E 16
Wind 20ft/late(mph)   SE 13        E 14         E 16
Mixing Hgt(ft-agl/msl)5410                      5470
Transport Wnd (mph)   SE 16                     SE 22
Vent Rate (kt-ft)     75740                     103930
Dispersion            5                         5
DSI                   6            5            6
LAL                   2            2            1
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ022-250830-
Luquillo Mountain Range-
419 AM AST Mon Jun 24 2024

                      Today        Tonight      Tue

Cloud Cover           Mcldy        Mcldy        Pcldy
Precip Type           Tstms        Tstms        Showers
Chance Precip (%)     70           70           20
Temp (24h trend)      84 (+2)      72 (-3)      86
RH % (24h trend)      75 (-1)      99 (+1)      71
Wind 20ft/early(mph)  SE 11        E 12         E 13
Wind 20ft/late(mph)   SE 11        E 12         E 13
Mixing Hgt(ft-agl/msl)3410                      4320
Transport Wnd (mph)   SE 17                     SE 23
Vent Rate (kt-ft)     51150                     86400
Dispersion            5                         5
DSI                   6            6            6
LAL                   2            2            1
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ023-250830-
Central Mountain Range-
419 AM AST Mon Jun 24 2024

                      Today        Tonight      Tue

Cloud Cover           Pcldy        Mclear       Mclear
Precip Type           Tstms        Showers      Showers
Chance Precip (%)     80           20           0
Temp (24h trend)      87 (+5)      70 (-2)      88
RH % (24h trend)      68 (-6)      99 (+2)      64
Wind 20ft/early(mph)  SE 10        E  8         SE 12
Wind 20ft/late(mph)   SE 10        E  8         SE 12
Mixing Hgt(ft-agl/msl)6260                      6340
Transport Wnd (mph)   SE 14                     SE 21
Vent Rate (kt-ft)     75120                     114120
Dispersion            5                         5
DSI                   5            2            6
LAL                   3            1            1
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ024-250830-
Cayey Mountain Range-
419 AM AST Mon Jun 24 2024

                      Today        Tonight      Tue

Cloud Cover           Mcldy        Pcldy        Pcldy
Precip Type           Tstms        Tstms        Showers
Chance Precip (%)     70           70           20
Temp (24h trend)      84 (+1)      72 (-2)      85
RH % (24h trend)      73 (-1)      100 (0)      70
Wind 20ft/early(mph)  SE 11        E 11         E 13
Wind 20ft/late(mph)   SE 11        E 11         E 13
Mixing Hgt(ft-agl/msl)4230                      4920
Transport Wnd (mph)   E 17                      E 24
Vent Rate (kt-ft)     63450                     103320
Dispersion            5                         5
DSI                   6            5            6
LAL                   2            2            1
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ025-250830-
Vieques-
419 AM AST Mon Jun 24 2024

                      Today        Tonight      Tue

Cloud Cover           Mcldy        Mcldy        Pcldy
Precip Type           Tstms        Tstms        Showers
Chance Precip (%)     70           70           20
Temp (24h trend)      89 (-2)      78 (-1)      90
RH % (24h trend)      70 (+4)      93 (-1)      67
Wind 20ft/early(mph)  E 17 G21     E 17 G21     E 16 G19
Wind 20ft/late(mph)   E 17 G21     E 17 G21     E 16 G19
Mixing Hgt(ft-agl/msl)2760                      3450
Transport Wnd (mph)   E 21                      E 24
Vent Rate (kt-ft)     49680                     72450
Dispersion            5                         5
DSI                   6            6            6
LAL                   2            2            1
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ026-250830-
Culebra-
419 AM AST Mon Jun 24 2024

                      Today        Tonight      Tue

Cloud Cover           Mcldy        Mcldy        Pcldy
Precip Type           Tstms        Tstms        Showers
Chance Precip (%)     70           70           20
Temp (24h trend)      91 (0)       79 (-2)      91
RH % (24h trend)      65 (-1)      94 (+2)      65
Wind 20ft/early(mph)  E 17 G21     E 18 G22     E 16 G20
Wind 20ft/late(mph)   E 17 G21     E 18 G22     E 16 G20
Mixing Hgt(ft-agl/msl)2840                      3460
Transport Wnd (mph)   E 21                      E 24
Vent Rate (kt-ft)     51120                     72660
Dispersion            5                         5
DSI                   6            6            6
LAL                   2            2            1
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ027-250830-
Southwest Coastal Plains and Mona Island-
419 AM AST Mon Jun 24 2024

                      Today        Tonight      Tue

Cloud Cover           Pcldy        Pcldy        Mclear
Precip Type           Showers      Tstms        None
Chance Precip (%)     40           50           0
Temp (24h trend)      93 (+1)      77 (-1)      93
RH % (24h trend)      53 (-10)     91 (+6)      49
Wind 20ft/early(mph)  SE 19 G24    E 19 G23     E 23 G30
Wind 20ft/late(mph)   SE 19 G24    E 19 G23     E 23 G30
Mixing Hgt(ft-agl/msl)4760                      5170
Transport Wnd (mph)   E 20                      E 28
Vent Rate (kt-ft)     80920                     124080
Dispersion            5                         5
DSI                   6            6            6
LAL                   2            2            1
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

VIZ001-250830-
Saint Thomas and Saint John-
419 AM AST Mon Jun 24 2024

                      Today        Tonight      Tue

Cloud Cover           Mcldy        Pcldy        Pcldy
Precip Type           Tstms        Tstms        Showers
Chance Precip (%)     60           70           20
Temp (24h trend)      88 (-1)      78 (-2)      88
RH % (24h trend)      69 (+3)      94 (0)       67
Wind 20ft/early(mph)  E 18 G22     E 19 G23     E 17 G21
Wind 20ft/late(mph)   E 18 G22     E 19 G23     E 17 G21
Mixing Hgt(ft-agl/msl)2720                      3400
Transport Wnd (mph)   E 22                      E 23
Vent Rate (kt-ft)     51680                     68000
Dispersion            5                         5
DSI                   6            6            6
LAL                   2            2            1
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

VIZ002-250830-
St Croix-
419 AM AST Mon Jun 24 2024

                      Today        Tonight      Tue

Cloud Cover           Mcldy        Pcldy        Pcldy
Precip Type           Tstms        Tstms        Showers
Chance Precip (%)     70           60           20
Temp (24h trend)      89 (-3)      79 (-1)      89
RH % (24h trend)      71 (+6)      92 (-1)      70
Wind 20ft/early(mph)  E 17 G21     E 17 G21     E 17 G22
Wind 20ft/late(mph)   E 17 G21     E 17 G21     E 17 G22
Mixing Hgt(ft-agl/msl)3560                      4450
Transport Wnd (mph)   E 22                      E 26
Vent Rate (kt-ft)     67640                     102350
Dispersion            5                         5
DSI                   6            6            6
LAL                   2            2            1
Haines Index          3            3            4
RH Recovery                        Excellent

Remarks...None.

$$


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