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

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FNCA52 TJSJ 150845
FWFSJU

Fire Weather Planning Forecast for Puerto Rico
National Weather Service San Juan PR
445 AM AST Sat Jun 15 2024

.DISCUSSION...

A variable weather pattern is forecast for the day as patches of
passing showers continues to move over the region. As the day
progresses, the islands would experiment an increase in the warmer
temperatures and heat indices across the region. Given the
available moisture the RH values will remain in the mid to upper
50s across the region. Winds will remain from the southeast up to
15 mph. According to the last observation, soils conditions remain
under the values thresholds with KDBI values under 500 for the
stations across the southern coastal plains of Puerto Rico.

PRZ014-160845-
Southeast Coastal Plains-
445 AM AST Sat Jun 15 2024

                      Today        Tonight      Sun

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     30           50           20
Temp (24h trend)      91 (+2)      77 (0)       92
RH % (24h trend)      52 (-5)      83 (-3)      52
Wind 20ft/early(mph)  SE 10        SE  6        SE 10
Wind 20ft/late(mph)   SE 10        SE  6        SE 10
Mixing Hgt(ft-agl/msl)4580                      4380
Transport Wnd (mph)   SE  9                     E  7
Vent Rate (kt-ft)     36640                     26280
Dispersion            5                         5
DSI                   6            2            5
LAL                   1            1            1
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ015-160845-
Southern Hills-
445 AM AST Sat Jun 15 2024

                      Today        Tonight      Sun

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     40           40           40
Temp (24h trend)      89 (+4)      73 (0)       89
RH % (24h trend)      60 (-6)      94 (-2)      60
Wind 20ft/early(mph)  S  9         SE  6        SE  9
Wind 20ft/late(mph)   S  9         SE  6        SE  9
Mixing Hgt(ft-agl/msl)5230                      5540
Transport Wnd (mph)   SE  9                     E  7
Vent Rate (kt-ft)     41840                     33240
Dispersion            5                         5
DSI                   6            2            5
LAL                   2            1            1
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ016-160845-
North Coastal Plains-
445 AM AST Sat Jun 15 2024

                      Today        Tonight      Sun

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Showers      Tstms
Chance Precip (%)     60           30           50
Temp (24h trend)      92 (+3)      78 (+2)      92
RH % (24h trend)      59 (-10)     87 (-9)      61
Wind 20ft/early(mph)  NE 11        SE  8        E 10
Wind 20ft/late(mph)   NE 11        SE  8        E 10
Mixing Hgt(ft-agl/msl)5020                      4380
Transport Wnd (mph)   SE  6                     E  5
Vent Rate (kt-ft)     25100                     17520
Dispersion            5                         5
DSI                   5            2            5
LAL                   2            2            2
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ017-160845-
Northern Hills-
445 AM AST Sat Jun 15 2024

                      Today        Tonight      Sun

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Showers      Tstms
Chance Precip (%)     70           40           70
Temp (24h trend)      91 (+3)      76 (+3)      91
RH % (24h trend)      62 (-5)      88 (-11)     61
Wind 20ft/early(mph)  NE  6        SE  6        E  8
Wind 20ft/late(mph)   NE  6        SE  6        E  8
Mixing Hgt(ft-agl/msl)5330                      5390
Transport Wnd (mph)   S  6                      E  3
Vent Rate (kt-ft)     26650                     16170
Dispersion            5                         5
DSI                   5            1            5
LAL                   2            2            2
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ018-160845-
West Coast-
445 AM AST Sat Jun 15 2024

                      Today        Tonight      Sun

Cloud Cover           Mclear       Pcldy        Pcldy
Precip Type           Showers      Showers      Tstms
Chance Precip (%)     50           30           50
Temp (24h trend)      91 (+1)      78 (+3)      91
RH % (24h trend)      62 (-3)      85 (-13)     59
Wind 20ft/early(mph)  SE 13        SE 12        SE 10
Wind 20ft/late(mph)   SE 13        SE 12        SE 10
Mixing Hgt(ft-agl/msl)4720                      4990
Transport Wnd (mph)   SE 13                     E  6
Vent Rate (kt-ft)     51920                     24950
Dispersion            5                         5
DSI                   6            3            5
LAL                   2            2            2
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ019-160845-
Eastern Interior-
445 AM AST Sat Jun 15 2024

                      Today        Tonight      Sun

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      Showers      Tstms
Chance Precip (%)     40           50           50
Temp (24h trend)      90 (+2)      75 (+1)      91
RH % (24h trend)      59 (-7)      89 (-9)      59
Wind 20ft/early(mph)  S 10         SE  8        SE  9
Wind 20ft/late(mph)   S 10         SE  8        SE  9
Mixing Hgt(ft-agl/msl)5530                      5410
Transport Wnd (mph)   S  9                      SE  6
Vent Rate (kt-ft)     44240                     27050
Dispersion            5                         5
DSI                   5            2            5
LAL                   2            1            2
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ022-160845-
Luquillo Mountain Range-
445 AM AST Sat Jun 15 2024

                      Today        Tonight      Sun

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      Showers      Tstms
Chance Precip (%)     50           60           50
Temp (24h trend)      87 (+5)      70 (-2)      88
RH % (24h trend)      62 (-11)     96 (-2)      61
Wind 20ft/early(mph)  S 10         SE  6        SE  8
Wind 20ft/late(mph)   S 10         SE  6        SE  8
Mixing Hgt(ft-agl/msl)4470                      4830
Transport Wnd (mph)   S 10                      SE  7
Vent Rate (kt-ft)     40230                     28980
Dispersion            5                         5
DSI                   6            3            5
LAL                   1            1            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ023-160845-
Central Mountain Range-
445 AM AST Sat Jun 15 2024

                      Today        Tonight      Sun

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Showers      Tstms
Chance Precip (%)     60           30           60
Temp (24h trend)      87 (+3)      69 (-1)      87
RH % (24h trend)      65 (-5)      96 (-4)      64
Wind 20ft/early(mph)  SE 11        SE  8        SE  6
Wind 20ft/late(mph)   SE 11        SE  8        SE  6
Mixing Hgt(ft-agl/msl)5910                      6490
Transport Wnd (mph)   SE  8                     SE  5
Vent Rate (kt-ft)     41370                     25960
Dispersion            5                         5
DSI                   5            1            5
LAL                   2            1            2
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ024-160845-
Cayey Mountain Range-
445 AM AST Sat Jun 15 2024

                      Today        Tonight      Sun

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      Showers      Tstms
Chance Precip (%)     40           50           50
Temp (24h trend)      86 (+2)      71 (0)       86
RH % (24h trend)      64 (-3)      95 (-5)      62
Wind 20ft/early(mph)  S  9         SE  5        SE  6
Wind 20ft/late(mph)   S  9         SE  5        SE  6
Mixing Hgt(ft-agl/msl)4880                      4870
Transport Wnd (mph)   S  9                      SE  7
Vent Rate (kt-ft)     39040                     29220
Dispersion            5                         5
DSI                   6            2            5
LAL                   1            1            2
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ025-160845-
Vieques-
445 AM AST Sat Jun 15 2024

                      Today        Tonight      Sun

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     50           50           50
Temp (24h trend)      93 (+3)      72 (-7)      91
RH % (24h trend)      57 (-5)      93 (+3)      59
Wind 20ft/early(mph)  S  9         SE  9        SE  6
Wind 20ft/late(mph)   S  9         SE  9        SE  6
Mixing Hgt(ft-agl/msl)3420                      3320
Transport Wnd (mph)   S  9                      SE  8
Vent Rate (kt-ft)     27360                     23240
Dispersion            5                         5
DSI                   6            6            6
LAL                   1            1            1
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ026-160845-
Culebra-
445 AM AST Sat Jun 15 2024

                      Today        Tonight      Sun

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     50           50           50
Temp (24h trend)      93 (+3)      75 (-4)      92
RH % (24h trend)      56 (-7)      95 (+4)      56
Wind 20ft/early(mph)  S  9         SE  9        SE  8
Wind 20ft/late(mph)   S  9         SE  9        SE  8
Mixing Hgt(ft-agl/msl)3470                      3290
Transport Wnd (mph)   S 10                      SE  9
Vent Rate (kt-ft)     31230                     26320
Dispersion            5                         5
DSI                   6            6            6
LAL                   1            1            1
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ027-160845-
Southwest Coastal Plains and Mona Island-
445 AM AST Sat Jun 15 2024

                      Today        Tonight      Sun

Cloud Cover           Pcldy        Pcldy        Mclear
Precip Type           Showers      Showers      Showers
Chance Precip (%)     20           40           20
Temp (24h trend)      93 (+3)      78 (+1)      93
RH % (24h trend)      50 (-6)      84 (-5)      49
Wind 20ft/early(mph)  SE 16 G20    E 13 G17     SE 13 G18
Wind 20ft/late(mph)   SE 16 G20    E 13 G17     SE 13 G18
Mixing Hgt(ft-agl/msl)4820                      5100
Transport Wnd (mph)   SE 13                     SE 10
Vent Rate (kt-ft)     53020                     45900
Dispersion            5                         5
DSI                   6            4            6
LAL                   1            1            1
Haines Index          3            4            3
RH Recovery                        Excellent

Remarks...None.

$$

VIZ001-160845-
Saint Thomas and Saint John-
445 AM AST Sat Jun 15 2024

                      Today        Tonight      Sun

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     50           50           30
Temp (24h trend)      89 (+1)      78 (0)       90
RH % (24h trend)      61 (-3)      89 (-5)      59
Wind 20ft/early(mph)  SE 10        SE  9        SE  9
Wind 20ft/late(mph)   SE 10        SE  9        SE  9
Mixing Hgt(ft-agl/msl)3500                      3170
Transport Wnd (mph)   S 12                      SE 10
Vent Rate (kt-ft)     35000                     28530
Dispersion            5                         5
DSI                   6            6            6
LAL                   1            1            1
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

VIZ002-160845-
St Croix-
445 AM AST Sat Jun 15 2024

                      Today        Tonight      Sun

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Showers      Showers      Showers
Chance Precip (%)     50           40           40
Temp (24h trend)      90 (+1)      78 (0)       90
RH % (24h trend)      63 (-3)      90 (-1)      63
Wind 20ft/early(mph)  SE  9        SE  9        SE  9
Wind 20ft/late(mph)   SE  9        SE  9        SE  9
Mixing Hgt(ft-agl/msl)4690                      4190
Transport Wnd (mph)   SE  9                     SE  9
Vent Rate (kt-ft)     37520                     33520
Dispersion            5                         5
DSI                   6            6            6
LAL                   1            1            1
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$


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