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

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FNCA52 TJSJ 210812
FWFSJU

Fire Weather Planning Forecast for Puerto Rico
National Weather Service San Juan PR
412 AM AST Fri Jun 21 2024

.DISCUSSION...

Soil conditions and KBDI values continue below critical
thresholds, especially in the southern plains and southwestern
coastal areas. The winds will be stronger today, coming out of
the east. However, relative humidities should stay in the 50% or
higher, not remaining in values dangerous for fire weather.
Therefore, the risk for fire weather will remain to be low.

PRZ014-220815-
Southeast Coastal Plains-
412 AM AST Fri Jun 21 2024

                      Today        Tonight      Sat

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Showers      Tstms
Chance Precip (%)     60           40           60
Temp (24h trend)      91 (+1)      76 (-3)      91
RH % (24h trend)      54 (-3)      88 (+6)      52
Wind 20ft/early(mph)  E 19 G24     NE 12        E 14 G20
Wind 20ft/late(mph)   E 19 G24     NE 12        E 14 G20
Mixing Hgt(ft-agl/msl)4650                      4950
Transport Wnd (mph)   E 14                      E 13
Vent Rate (kt-ft)     55800                     54450
Dispersion            5                         5
DSI                   6            3            5
LAL                   2            2            2
Haines Index          3            5            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ015-220815-
Southern Hills-
412 AM AST Fri Jun 21 2024

                      Today        Tonight      Sat

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Showers      Tstms
Chance Precip (%)     60           20           50
Temp (24h trend)      87 (+2)      72 (-4)      87
RH % (24h trend)      64 (-3)      97 (+8)      62
Wind 20ft/early(mph)  E 13         NE 10        E 11
Wind 20ft/late(mph)   E 13         NE 10        E 11
Mixing Hgt(ft-agl/msl)4850                      5260
Transport Wnd (mph)   E 13                      E 10
Vent Rate (kt-ft)     53350                     47340
Dispersion            5                         5
DSI                   5            2            5
LAL                   2            2            2
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ016-220815-
North Coastal Plains-
412 AM AST Fri Jun 21 2024

                      Today        Tonight      Sat

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Showers      Tstms
Chance Precip (%)     70           40           60
Temp (24h trend)      89 (0)       76 (-3)      89
RH % (24h trend)      68 (-3)      98 (+6)      67
Wind 20ft/early(mph)  E 18 G22     E 16 G18     E 12
Wind 20ft/late(mph)   E 18 G22     E 16 G18     E 12
Mixing Hgt(ft-agl/msl)4320                      4530
Transport Wnd (mph)   E 15                      E 10
Vent Rate (kt-ft)     56160                     40770
Dispersion            5                         5
DSI                   6            4            6
LAL                   2            1            2
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ017-220815-
Northern Hills-
412 AM AST Fri Jun 21 2024

                      Today        Tonight      Sat

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Showers      Tstms
Chance Precip (%)     80           20           70
Temp (24h trend)      88 (+1)      73 (-3)      88
RH % (24h trend)      69 (-2)      98 (+5)      67
Wind 20ft/early(mph)  E 17         E 14         E 11
Wind 20ft/late(mph)   E 17         E 14         E 11
Mixing Hgt(ft-agl/msl)4420                      5110
Transport Wnd (mph)   E 13                      E  8
Vent Rate (kt-ft)     48620                     35770
Dispersion            5                         5
DSI                   6            3            5
LAL                   2            1            2
Haines Index          3            4            4
RH Recovery                        Excellent

Remarks...None.

$$

PRZ018-220815-
West Coast-
412 AM AST Fri Jun 21 2024

                      Today        Tonight      Sat

Cloud Cover           Pcldy        Mclear       Pcldy
Precip Type           Tstms        Showers      Tstms
Chance Precip (%)     70           40           60
Temp (24h trend)      91 (+1)      75 (-2)      90
RH % (24h trend)      61 (-5)      95 (+4)      62
Wind 20ft/early(mph)  E 14 G17     E 12         E 11
Wind 20ft/late(mph)   E 14 G17     E 12         E 11
Mixing Hgt(ft-agl/msl)4010                      4630
Transport Wnd (mph)   E  9                      E  6
Vent Rate (kt-ft)     32080                     23150
Dispersion            5                         5
DSI                   5            2            5
LAL                   2            2            2
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ019-220815-
Eastern Interior-
412 AM AST Fri Jun 21 2024

                      Today        Tonight      Sat

Cloud Cover           Mcldy        Pcldy        Pcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     60           50           60
Temp (24h trend)      88 (+1)      73 (-4)      88
RH % (24h trend)      68 (-1)      97 (+5)      67
Wind 20ft/early(mph)  E 13         E 12         E 10
Wind 20ft/late(mph)   E 13         E 12         E 10
Mixing Hgt(ft-agl/msl)5190                      5090
Transport Wnd (mph)   E 13                      E 10
Vent Rate (kt-ft)     57090                     45810
Dispersion            5                         5
DSI                   5            2            5
LAL                   2            2            2
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ022-220815-
Luquillo Mountain Range-
412 AM AST Fri Jun 21 2024

                      Today        Tonight      Sat

Cloud Cover           Mcldy        Mcldy        Pcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     70           50           60
Temp (24h trend)      84 (+3)      72 (-3)      83
RH % (24h trend)      71 (-5)      99 (+4)      71
Wind 20ft/early(mph)  E 12         E 10         E  9
Wind 20ft/late(mph)   E 12         E 10         E  9
Mixing Hgt(ft-agl/msl)3750                      4400
Transport Wnd (mph)   E 13                      E 10
Vent Rate (kt-ft)     41250                     39600
Dispersion            5                         5
DSI                   6            4            6
LAL                   2            2            2
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ023-220815-
Central Mountain Range-
412 AM AST Fri Jun 21 2024

                      Today        Tonight      Sat

Cloud Cover           Mcldy        Mclear       Pcldy
Precip Type           Tstms        Showers      Tstms
Chance Precip (%)     80           30           70
Temp (24h trend)      86 (+3)      69 (-4)      86
RH % (24h trend)      69 (-2)      99 (+5)      68
Wind 20ft/early(mph)  E 12         E 11         E  8
Wind 20ft/late(mph)   E 12         E 11         E  8
Mixing Hgt(ft-agl/msl)4580                      5740
Transport Wnd (mph)   E 10                      E  8
Vent Rate (kt-ft)     41220                     40180
Dispersion            5                         5
DSI                   5            1            5
LAL                   2            2            2
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ024-220815-
Cayey Mountain Range-
412 AM AST Fri Jun 21 2024

                      Today        Tonight      Sat

Cloud Cover           Mcldy        Pcldy        Pcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     70           50           60
Temp (24h trend)      83 (+1)      71 (-3)      84
RH % (24h trend)      71 (-1)      99 (+4)      67
Wind 20ft/early(mph)  E 11         E  9         E  9
Wind 20ft/late(mph)   E 11         E  9         E  9
Mixing Hgt(ft-agl/msl)4620                      4960
Transport Wnd (mph)   E 13                      E 12
Vent Rate (kt-ft)     50820                     49600
Dispersion            5                         5
DSI                   6            2            6
LAL                   2            2            2
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ025-220815-
Vieques-
412 AM AST Fri Jun 21 2024

                      Today        Tonight      Sat

Cloud Cover           Mcldy        Mcldy        Pcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     70           60           60
Temp (24h trend)      89 (0)       78 (-3)      89
RH % (24h trend)      67 (0)       90 (+4)      65
Wind 20ft/early(mph)  E 16 G19     E 13 G17     E 11
Wind 20ft/late(mph)   E 16 G19     E 13 G17     E 11
Mixing Hgt(ft-agl/msl)3510                      3570
Transport Wnd (mph)   E 18                      E 13
Vent Rate (kt-ft)     56160                     39270
Dispersion            5                         5
DSI                   6            6            6
LAL                   2            2            2
Haines Index          3            4            4
RH Recovery                        Excellent

Remarks...None.

$$

PRZ026-220815-
Culebra-
412 AM AST Fri Jun 21 2024

                      Today        Tonight      Sat

Cloud Cover           Mcldy        Mcldy        Pcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     60           60           60
Temp (24h trend)      91 (+1)      79 (-3)      91
RH % (24h trend)      61 (-6)      92 (+6)      60
Wind 20ft/early(mph)  E 14 G19     E 14 G18     E 11
Wind 20ft/late(mph)   E 14 G19     E 14 G18     E 11
Mixing Hgt(ft-agl/msl)3460                      3540
Transport Wnd (mph)   E 14                      E 14
Vent Rate (kt-ft)     41520                     42480
Dispersion            5                         5
DSI                   6            6            6
LAL                   2            2            2
Haines Index          4            4            4
RH Recovery                        Excellent

Remarks...None.

$$

PRZ027-220815-
Southwest Coastal Plains and Mona Island-
412 AM AST Fri Jun 21 2024

                      Today        Tonight      Sat

Cloud Cover           Pcldy        Mclear       Pcldy
Precip Type           Tstms        Showers      Showers
Chance Precip (%)     50           20           30
Temp (24h trend)      93 (+2)      76 (-3)      93
RH % (24h trend)      50 (-4)      88 (+4)      50
Wind 20ft/early(mph)  E 20 G26     E 13 G17     E 14 G20
Wind 20ft/late(mph)   E 20 G26     E 13 G17     E 14 G20
Mixing Hgt(ft-agl/msl)4060                      5130
Transport Wnd (mph)   E 14                      E 13
Vent Rate (kt-ft)     48720                     56430
Dispersion            5                         5
DSI                   6            3            5
LAL                   2            1            1
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

VIZ001-220815-
Saint Thomas and Saint John-
412 AM AST Fri Jun 21 2024

                      Today        Tonight      Sat

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Tstms        Showers
Chance Precip (%)     50           60           30
Temp (24h trend)      88 (+1)      79 (-2)      87
RH % (24h trend)      66 (-3)      91 (+5)      65
Wind 20ft/early(mph)  E 14 G19     E 13 G17     E 11
Wind 20ft/late(mph)   E 14 G19     E 13 G17     E 11
Mixing Hgt(ft-agl/msl)3450                      3470
Transport Wnd (mph)   E 18                      E 14
Vent Rate (kt-ft)     55200                     41640
Dispersion            5                         5
DSI                   6            6            6
LAL                   2            2            1
Haines Index          4            4            4
RH Recovery                        Excellent

Remarks...None.

$$

VIZ002-220815-
St Croix-
412 AM AST Fri Jun 21 2024

                      Today        Tonight      Sat

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     60           50           40
Temp (24h trend)      89 (+1)      79 (-2)      89
RH % (24h trend)      67 (-2)      88 (+2)      67
Wind 20ft/early(mph)  E 12         E 12         E 12
Wind 20ft/late(mph)   E 12         E 12         E 12
Mixing Hgt(ft-agl/msl)4700                      4860
Transport Wnd (mph)   E 13                      E 15
Vent Rate (kt-ft)     51700                     63180
Dispersion            5                         5
DSI                   6            6            6
LAL                   2            1            2
Haines Index          4            4            3
RH Recovery                        Excellent

Remarks...None.

$$


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