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

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711
FNCA52 TJSJ 300818
FWFSJU

Fire Weather Planning Forecast for Puerto Rico
National Weather Service San Juan PR
418 AM AST Thu May 30 2024

.DISCUSSION...
The highest KBDI reported yesterday was 428 at Guanica. Breezy
conditions are possible along the southern slopes and coastal
areas of Puerto Rico due to the sea breeze. The relative humidity
should range between 52% and 56% across the same areas. Shower and
thunderstorm activity is expected to develop over the interior and
west/northwest sections of Puerto Rico. Therefore, the fire
danger remains low today.


PRZ014-310830-
Southeast Coastal Plains-
418 AM AST Thu May 30 2024

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mclear       Mclear
Precip Type           Showers      Showers      Showers
Chance Precip (%)     30           10           20
Temp (24h trend)      90 (+1)      76 (0)       90
RH % (24h trend)      56 (-4)      89 (0)       56
Wind 20ft/early(mph)  SE 16 G21    E 10         SE 13 G19
Wind 20ft/late(mph)   SE 16 G21    E 10         SE 13 G19
Mixing Hgt(ft-agl/msl)4320                      4400
Transport Wnd (mph)   E 16                      SE 17
Vent Rate (kt-ft)     60480                     66000
Dispersion            5                         5
DSI                   6            3            6
LAL                   1            1            1
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ015-310830-
Southern Hills-
418 AM AST Thu May 30 2024

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mclear       Pcldy
Precip Type           Showers      Showers      Tstms
Chance Precip (%)     30           10           40
Temp (24h trend)      87 (+3)      72 (-2)      87
RH % (24h trend)      64 (-6)      97 (+2)      64
Wind 20ft/early(mph)  SE 12        E  9         SE 12
Wind 20ft/late(mph)   SE 12        E  9         SE 12
Mixing Hgt(ft-agl/msl)4900                      5080
Transport Wnd (mph)   SE 15                     SE 16
Vent Rate (kt-ft)     63700                     71120
Dispersion            5                         5
DSI                   5            3            6
LAL                   1            1            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ016-310830-
North Coastal Plains-
418 AM AST Thu May 30 2024

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Showers      Tstms
Chance Precip (%)     50           40           50
Temp (24h trend)      89 (+1)      76 (0)       92
RH % (24h trend)      68 (-4)      95 (-3)      63
Wind 20ft/early(mph)  E 13         E  9         E 13
Wind 20ft/late(mph)   E 13         E  9         E 13
Mixing Hgt(ft-agl/msl)4600                      5520
Transport Wnd (mph)   E 14                      SE 14
Vent Rate (kt-ft)     55200                     66240
Dispersion            5                         5
DSI                   6            4            6
LAL                   2            1            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ017-310830-
Northern Hills-
418 AM AST Thu May 30 2024

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mclear       Pcldy
Precip Type           Tstms        Showers      Tstms
Chance Precip (%)     80           10           60
Temp (24h trend)      88 (+1)      73 (0)       89
RH % (24h trend)      69 (-3)      95 (-5)      64
Wind 20ft/early(mph)  E 12         E  8         E 11
Wind 20ft/late(mph)   E 12         E  8         E 11
Mixing Hgt(ft-agl/msl)5460                      5920
Transport Wnd (mph)   E 10                      SE 12
Vent Rate (kt-ft)     49140                     59200
Dispersion            5                         5
DSI                   5            2            6
LAL                   2            1            2
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ018-310830-
West Coast-
418 AM AST Thu May 30 2024

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mclear       Pcldy
Precip Type           Tstms        Showers      Tstms
Chance Precip (%)     30           10           40
Temp (24h trend)      90 (+1)      76 (+1)      90
RH % (24h trend)      63 (-6)      93 (-4)      63
Wind 20ft/early(mph)  E 13         E  9         SE 14
Wind 20ft/late(mph)   E 13         E  9         SE 14
Mixing Hgt(ft-agl/msl)4650                      4870
Transport Wnd (mph)   E 12                      SE 14
Vent Rate (kt-ft)     46500                     58440
Dispersion            5                         5
DSI                   5            3            6
LAL                   2            1            2
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ019-310830-
Eastern Interior-
418 AM AST Thu May 30 2024

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Showers      Tstms
Chance Precip (%)     40           40           40
Temp (24h trend)      88 (+2)      73 (-2)      88
RH % (24h trend)      66 (-4)      97 (0)       65
Wind 20ft/early(mph)  SE 12        E 10         SE 12
Wind 20ft/late(mph)   SE 12        E 10         SE 12
Mixing Hgt(ft-agl/msl)5270                      5190
Transport Wnd (mph)   SE 14                     SE 16
Vent Rate (kt-ft)     63240                     72660
Dispersion            5                         5
DSI                   5            3            6
LAL                   2            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ022-310830-
Luquillo Mountain Range-
418 AM AST Thu May 30 2024

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Tstms        Showers
Chance Precip (%)     50           60           30
Temp (24h trend)      84 (+3)      72 (-2)      85
RH % (24h trend)      73 (-5)      99 (+1)      73
Wind 20ft/early(mph)  SE 11        E  8         SE 11
Wind 20ft/late(mph)   SE 11        E  8         SE 11
Mixing Hgt(ft-agl/msl)4020                      4430
Transport Wnd (mph)   SE 16                     SE 17
Vent Rate (kt-ft)     56280                     66450
Dispersion            5                         5
DSI                   6            4            6
LAL                   2            2            1
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ023-310830-
Central Mountain Range-
418 AM AST Thu May 30 2024

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mclear       Pcldy
Precip Type           Tstms        Showers      Tstms
Chance Precip (%)     50           10           60
Temp (24h trend)      86 (+4)      70 (-1)      86
RH % (24h trend)      69 (-6)      97 (-2)      67
Wind 20ft/early(mph)  SE  9        E  6         SE 10
Wind 20ft/late(mph)   SE  9        E  6         SE 10
Mixing Hgt(ft-agl/msl)6030                      5890
Transport Wnd (mph)   SE  9                     SE 13
Vent Rate (kt-ft)     48240                     64790
Dispersion            5                         5
DSI                   5            1            5
LAL                   2            1            2
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ024-310830-
Cayey Mountain Range-
418 AM AST Thu May 30 2024

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     40           40           30
Temp (24h trend)      84 (+2)      72 (-1)      83
RH % (24h trend)      70 (-4)      100 (+1)     70
Wind 20ft/early(mph)  SE 11        E  6         SE 11
Wind 20ft/late(mph)   SE 11        E  6         SE 11
Mixing Hgt(ft-agl/msl)4430                      4560
Transport Wnd (mph)   SE 16                     SE 17
Vent Rate (kt-ft)     62020                     68400
Dispersion            5                         5
DSI                   6            3            6
LAL                   1            1            1
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ025-310830-
Vieques-
418 AM AST Thu May 30 2024

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Mcldy        Pcldy
Precip Type           Showers      Tstms        Showers
Chance Precip (%)     30           60           40
Temp (24h trend)      89 (-1)      77 (-2)      89
RH % (24h trend)      65 (0)       90 (+1)      66
Wind 20ft/early(mph)  SE 13 G17    E 13 G17     SE 13 G17
Wind 20ft/late(mph)   SE 13 G17    E 13 G17     SE 13 G17
Mixing Hgt(ft-agl/msl)3530                      3450
Transport Wnd (mph)   SE 18                     SE 18
Vent Rate (kt-ft)     56480                     55200
Dispersion            5                         5
DSI                   6            6            6
LAL                   1            2            1
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ026-310830-
Culebra-
418 AM AST Thu May 30 2024

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      Tstms        Showers
Chance Precip (%)     30           50           40
Temp (24h trend)      90 (+1)      79 (-1)      90
RH % (24h trend)      63 (-4)      92 (+3)      63
Wind 20ft/early(mph)  SE 14 G18    E 13 G17     SE 14 G18
Wind 20ft/late(mph)   SE 14 G18    E 13 G17     SE 14 G18
Mixing Hgt(ft-agl/msl)3350                      3460
Transport Wnd (mph)   SE 18                     SE 15
Vent Rate (kt-ft)     53600                     44980
Dispersion            5                         5
DSI                   6            6            6
LAL                   1            2            1
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ027-310830-
Southwest Coastal Plains and Mona Island-
418 AM AST Thu May 30 2024

                      Today        Tonight      Fri

Cloud Cover           Mclear       Mclear       Mclear
Precip Type           Showers      Showers      Showers
Chance Precip (%)     10           10           10
Temp (24h trend)      92 (+2)      76 (0)       92
RH % (24h trend)      52 (-6)      85 (-5)      51
Wind 20ft/early(mph)  SE 18 G24    E 13 G17     SE 19 G25
Wind 20ft/late(mph)   SE 18 G24    E 13 G17     SE 19 G25
Mixing Hgt(ft-agl/msl)4980                      4990
Transport Wnd (mph)   E 18                      SE 21
Vent Rate (kt-ft)     79680                     89820
Dispersion            5                         5
DSI                   6            4            6
LAL                   1            1            1
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

VIZ001-310830-
Saint Thomas and Saint John-
418 AM AST Thu May 30 2024

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      Tstms        Showers
Chance Precip (%)     30           40           40
Temp (24h trend)      88 (+1)      78 (+1)      87
RH % (24h trend)      66 (-3)      92 (-4)      68
Wind 20ft/early(mph)  E 14 G18     E 13 G17     SE 13 G17
Wind 20ft/late(mph)   E 14 G18     E 13 G17     SE 13 G17
Mixing Hgt(ft-agl/msl)3420                      3100
Transport Wnd (mph)   SE 17                     E 18
Vent Rate (kt-ft)     51300                     49600
Dispersion            5                         5
DSI                   6            6            6
LAL                   2            2            1
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

VIZ002-310830-
St Croix-
418 AM AST Thu May 30 2024

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     30           40           30
Temp (24h trend)      89 (+1)      78 (0)       88
RH % (24h trend)      66 (-3)      89 (-6)      68
Wind 20ft/early(mph)  E 14 G19     E 13         SE 13 G17
Wind 20ft/late(mph)   E 14 G19     E 13         SE 13 G17
Mixing Hgt(ft-agl/msl)4720                      4500
Transport Wnd (mph)   SE 20                     SE 18
Vent Rate (kt-ft)     80240                     72000
Dispersion            5                         5
DSI                   6            6            6
LAL                   2            1            1
Haines Index          3            3            4
RH Recovery                        Excellent

Remarks...None.

$$


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