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

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000
FNCA52 TJSJ 290910
FWFSJU

Fire Weather Planning Forecast for Puerto Rico
National Weather Service San Juan PR
510 AM AST Thu Sep 29 2022

.DISCUSSION...KBDI and 10-HR fuel moisture, relative humidities
and winds values all remain well outside of critical thresholds.
Therefore, the risk of fire weather is low for today and next
several days.


PRZ014-300915-
Southeast Coastal Plains-
510 AM AST Thu Sep 29 2022

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Showers      Tstms
Chance Precip (%)     40           30           70
Temp (24h trend)      88 (+2)      75 (-1)      87
RH % (24h trend)      56 (-7)      89 (+5)      57
Wind 20ft/early(mph)  E  5         Lgt/Var      E  5
Wind 20ft/late(mph)   SE  8        Lgt/Var      SE  6
Mixing Hgt(ft-agl/msl)4130                      4000
Transport Wnd (mph)   SE 10                     SE  9
Vent Rate (kt-ft)     37170                     32000
Dispersion            5                         5
DSI                   5            2            5
LAL                   2            2            3
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ015-300915-
Southern Hills-
510 AM AST Thu Sep 29 2022

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     60           20           80
Temp (24h trend)      85 (+3)      70 (-2)      84
RH % (24h trend)      65 (-8)      99 (+3)      68
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   SE  5        Lgt/Var      SE  5
Mixing Hgt(ft-agl/msl)4750                      4630
Transport Wnd (mph)   SE  9                     SE 10
Vent Rate (kt-ft)     38000                     41670
Dispersion            5                         5
DSI                   5            2            5
LAL                   3            2            3
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ016-300915-
North Coastal Plains-
510 AM AST Thu Sep 29 2022

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Mcldy
Precip Type           Tstms        Showers      Tstms
Chance Precip (%)     70           30           80
Temp (24h trend)      89 (+1)      76 (0)       88
RH % (24h trend)      59 (-9)      94 (+1)      62
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   E  5         Lgt/Var      E  6
Mixing Hgt(ft-agl/msl)4650                      5040
Transport Wnd (mph)   SE  8                     SE  8
Vent Rate (kt-ft)     32550                     35280
Dispersion            5                         5
DSI                   5            2            5
LAL                   3            2            3
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ017-300915-
Northern Hills-
510 AM AST Thu Sep 29 2022

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Showers      Tstms
Chance Precip (%)     80           30           90
Temp (24h trend)      87 (+2)      71 (-1)      86
RH % (24h trend)      61 (-11)     98 (0)       65
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      Lgt/Var
Mixing Hgt(ft-agl/msl)4970                      5000
Transport Wnd (mph)   SE  6                     S  8
Vent Rate (kt-ft)     24850                     35000
Dispersion            5                         5
DSI                   5            1            5
LAL                   3            1            3
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ018-300915-
West Coast-
510 AM AST Thu Sep 29 2022

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Showers      Tstms
Chance Precip (%)     60           20           70
Temp (24h trend)      87 (+2)      74 (-1)      86
RH % (24h trend)      62 (-8)      92 (+3)      64
Wind 20ft/early(mph)  Lgt/Var      E  5         SE  7
Wind 20ft/late(mph)   SE  6        E  5         SE  9
Mixing Hgt(ft-agl/msl)4280                      4360
Transport Wnd (mph)   SE  8                     SE 14
Vent Rate (kt-ft)     29960                     52320
Dispersion            5                         5
DSI                   5            3            6
LAL                   3            1            3
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ019-300915-
Eastern Interior-
510 AM AST Thu Sep 29 2022

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     70           50           90
Temp (24h trend)      87 (+3)      71 (-2)      86
RH % (24h trend)      63 (-9)      98 (+1)      67
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   SE  6        Lgt/Var      SE  6
Mixing Hgt(ft-agl/msl)5000                      5170
Transport Wnd (mph)   SE  9                     S 12
Vent Rate (kt-ft)     40000                     51700
Dispersion            5                         5
DSI                   5            2            5
LAL                   3            2            3
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ022-300915-
Luquillo Mountain Range-
510 AM AST Thu Sep 29 2022

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     70           60           80
Temp (24h trend)      83 (+3)      68 (-3)      82
RH % (24h trend)      67 (-8)      100 (+1)     71
Wind 20ft/early(mph)  E  5         Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   SE  7        Lgt/Var      SE  7
Mixing Hgt(ft-agl/msl)4400                      4350
Transport Wnd (mph)   SE 10                     S 12
Vent Rate (kt-ft)     39600                     43500
Dispersion            5                         5
DSI                   5            4            5
LAL                   3            2            3
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ023-300915-
Central Mountain Range-
510 AM AST Thu Sep 29 2022

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Showers      Tstms
Chance Precip (%)     80           20           90
Temp (24h trend)      82 (+3)      68 (-2)      81
RH % (24h trend)      66 (-11)     100 (+3)     69
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   Lgt/Var      Lgt/Var      SE  5
Mixing Hgt(ft-agl/msl)5440                      5240
Transport Wnd (mph)   SE  7                     SE 12
Vent Rate (kt-ft)     32640                     52400
Dispersion            5                         5
DSI                   5            1            5
LAL                   3            1            3
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ024-300915-
Cayey Mountain Range-
510 AM AST Thu Sep 29 2022

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     60           50           80
Temp (24h trend)      84 (+3)      70 (-1)      83
RH % (24h trend)      67 (-8)      100 (+1)     70
Wind 20ft/early(mph)  Lgt/Var      Lgt/Var      Lgt/Var
Wind 20ft/late(mph)   SE  6        Lgt/Var      SE  6
Mixing Hgt(ft-agl/msl)4580                      4520
Transport Wnd (mph)   SE 10                     S 10
Vent Rate (kt-ft)     41220                     40680
Dispersion            5                         5
DSI                   5            2            5
LAL                   3            2            3
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ025-300915-
Vieques-
510 AM AST Thu Sep 29 2022

                      Today        Tonight      Fri

Cloud Cover           Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     70           70           60
Temp (24h trend)      89 (+1)      80 (0)       88
RH % (24h trend)      56 (-6)      80 (-1)      60
Wind 20ft/early(mph)  E  9         E  9         SE  7
Wind 20ft/late(mph)   SE  8        SE  9        SE  8
Mixing Hgt(ft-agl/msl)3320                      3100
Transport Wnd (mph)   E 12                      SE 10
Vent Rate (kt-ft)     33200                     27900
Dispersion            5                         5
DSI                   6            6            6
LAL                   3            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ026-300915-
Culebra-
510 AM AST Thu Sep 29 2022

                      Today        Tonight      Fri

Cloud Cover           Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     60           70           60
Temp (24h trend)      90 (+2)      81 (0)       89
RH % (24h trend)      56 (-8)      86 (+2)      61
Wind 20ft/early(mph)  E 10         SE 10        SE  8
Wind 20ft/late(mph)   E 10         SE  9        SE  8
Mixing Hgt(ft-agl/msl)2930                      3180
Transport Wnd (mph)   SE 13                     SE 10
Vent Rate (kt-ft)     32230                     28620
Dispersion            5                         5
DSI                   6            6            6
LAL                   3            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ027-300915-
Southwest Coastal Plains and Mona Island-
510 AM AST Thu Sep 29 2022

                      Today        Tonight      Fri

Cloud Cover           Pcldy        Pcldy        Pcldy
Precip Type           Tstms        Showers      Tstms
Chance Precip (%)     50           20           60
Temp (24h trend)      89 (+2)      76 (-1)      88
RH % (24h trend)      55 (-5)      86 (+5)      56
Wind 20ft/early(mph)  E  6         E  7         E  9 G19
Wind 20ft/late(mph)   SE 10        E  7         SE 10 G18
Mixing Hgt(ft-agl/msl)4370                      4260
Transport Wnd (mph)   SE 12                     SE 13
Vent Rate (kt-ft)     43700                     46860
Dispersion            5                         5
DSI                   5            4            6
LAL                   2            1            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

VIZ001-300915-
Saint Thomas and Saint John-
510 AM AST Thu Sep 29 2022

                      Today        Tonight      Fri

Cloud Cover           Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     70           70           60
Temp (24h trend)      89 (+1)      78 (-2)      88
RH % (24h trend)      58 (-4)      82 (+1)      60
Wind 20ft/early(mph)  E 13         E 11         SE  9
Wind 20ft/late(mph)   E 11         SE 11        SE 10
Mixing Hgt(ft-agl/msl)3470                      3300
Transport Wnd (mph)   E 17                      SE 13
Vent Rate (kt-ft)     52050                     36300
Dispersion            5                         5
DSI                   6            6            6
LAL                   3            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

VIZ002-300915-
St Croix-
510 AM AST Thu Sep 29 2022

                      Today        Tonight      Fri

Cloud Cover           Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     60           60           60
Temp (24h trend)      89 (+1)      80 (0)       88
RH % (24h trend)      58 (-4)      82 (0)       61
Wind 20ft/early(mph)  E 11         SE  8        SE  7
Wind 20ft/late(mph)   SE  9        SE  8        SE  9
Mixing Hgt(ft-agl/msl)3640                      3500
Transport Wnd (mph)   SE 14                     SE 13
Vent Rate (kt-ft)     43680                     38500
Dispersion            5                         5
DSI                   6            6            6
LAL                   3            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$


$$


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