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

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FNCA52 TJSJ 070843
FWFSJU

Fire Weather Planning Forecast for Puerto Rico
National Weather Service San Juan PR
443 AM AST Tue May 7 2024

.DISCUSSION...

An unstable weather pattern with plenty of tropical moisture and
light winds will maintain the fire danger low, once again, today.
Showers and thunderstorms will develop across the islands each
day, especially during the afternoon, through at least Thursday,
then a drying trend is possible from Friday onward.

PRZ014-080845-
Southeast Coastal Plains-
443 AM AST Tue May 7 2024

                      Today        Tonight      Wed

Cloud Cover           Pcldy        Mclear       Pcldy
Precip Type           Tstms        Showers      Tstms
Chance Precip (%)     60           10           60
Temp (24h trend)      91 (+2)      73 (-3)      88
RH % (24h trend)      55 (-5)      89 (+4)      55
Wind 20ft/early(mph)  E 12         NE  8        SE  9
Wind 20ft/late(mph)   E 12         NE  8        SE  9
Mixing Hgt(ft-agl/msl)3730                      2800
Transport Wnd (mph)   E  6                      E  5
Vent Rate (kt-ft)     18650                     11200
Dispersion            5                         4
DSI                   5            2            5
LAL                   2            1            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ015-080845-
Southern Hills-
443 AM AST Tue May 7 2024

                      Today        Tonight      Wed

Cloud Cover           Mcldy        Mclear       Pcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     80           20           70
Temp (24h trend)      87 (+3)      70 (-3)      86
RH % (24h trend)      64 (-7)      98 (+6)      64
Wind 20ft/early(mph)  E  9         NE  8        E  8
Wind 20ft/late(mph)   E  9         NE  8        E  8
Mixing Hgt(ft-agl/msl)4760                      3710
Transport Wnd (mph)   E  5                      E  3
Vent Rate (kt-ft)     19040                     11130
Dispersion            5                         4
DSI                   5            2            5
LAL                   3            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ016-080845-
North Coastal Plains-
443 AM AST Tue May 7 2024

                      Today        Tonight      Wed

Cloud Cover           Mcldy        Pcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     70           60           70
Temp (24h trend)      87 (+1)      73 (-2)      87
RH % (24h trend)      70 (-7)      98 (+1)      70
Wind 20ft/early(mph)  E 13         E 12         NE 11
Wind 20ft/late(mph)   E 13         E 12         NE 11
Mixing Hgt(ft-agl/msl)3550                      3000
Transport Wnd (mph)   E  8                      E  6
Vent Rate (kt-ft)     24850                     15000
Dispersion            5                         5
DSI                   6            5            5
LAL                   3            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ017-080845-
Northern Hills-
443 AM AST Tue May 7 2024

                      Today        Tonight      Wed

Cloud Cover           Pcldy        Pcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     90           40           80
Temp (24h trend)      86 (+2)      70 (-3)      86
RH % (24h trend)      73 (-6)      98 (0)       73
Wind 20ft/early(mph)  E 10         E  9         NE  9
Wind 20ft/late(mph)   E 10         E  9         NE  9
Mixing Hgt(ft-agl/msl)4770                      3710
Transport Wnd (mph)   E  5                      NE  3
Vent Rate (kt-ft)     19080                     11130
Dispersion            5                         5
DSI                   5            3            4
LAL                   3            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ018-080845-
West Coast-
443 AM AST Tue May 7 2024

                      Today        Tonight      Wed

Cloud Cover           Pcldy        Mclear       Pcldy
Precip Type           Tstms        Showers      Tstms
Chance Precip (%)     80           30           70
Temp (24h trend)      89 (0)       73 (-1)      88
RH % (24h trend)      65 (-3)      95 (+1)      64
Wind 20ft/early(mph)  E 10         E 10         E 10
Wind 20ft/late(mph)   E 10         E 10         E 10
Mixing Hgt(ft-agl/msl)4210                      3720
Transport Wnd (mph)   E  3                      NE  3
Vent Rate (kt-ft)     12630                     11160
Dispersion            5                         5
DSI                   5            3            6
LAL                   3            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ019-080845-
Eastern Interior-
443 AM AST Tue May 7 2024

                      Today        Tonight      Wed

Cloud Cover           Mcldy        Pcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     90           40           80
Temp (24h trend)      86 (+2)      70 (-3)      86
RH % (24h trend)      68 (-8)      98 (0)       69
Wind 20ft/early(mph)  E 10         E 10         E  8
Wind 20ft/late(mph)   E 10         E 10         E  8
Mixing Hgt(ft-agl/msl)3830                      2090
Transport Wnd (mph)   E  6                      E  3
Vent Rate (kt-ft)     19150                     6270
Dispersion            5                         4
DSI                   5            2            5
LAL                   3            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ022-080845-
Luquillo Mountain Range-
443 AM AST Tue May 7 2024

                      Today        Tonight      Wed

Cloud Cover           Cloudy       Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     80           80           70
Temp (24h trend)      82 (+1)      69 (-2)      82
RH % (24h trend)      73 (-5)      100 (+1)     74
Wind 20ft/early(mph)  E  8         E  8         E  5
Wind 20ft/late(mph)   E  8         E  8         E  5
Mixing Hgt(ft-agl/msl)3260                      1670
Transport Wnd (mph)   E  7                      E  5
Vent Rate (kt-ft)     19560                     6680
Dispersion            5                         4
DSI                   5            2            5
LAL                   3            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ023-080845-
Central Mountain Range-
443 AM AST Tue May 7 2024

                      Today        Tonight      Wed

Cloud Cover           Pcldy        Mclear       Pcldy
Precip Type           Tstms        Showers      Tstms
Chance Precip (%)     90           10           80
Temp (24h trend)      84 (+3)      67 (-4)      84
RH % (24h trend)      72 (-5)      99 (+2)      72
Wind 20ft/early(mph)  E  6         E  8         E  8
Wind 20ft/late(mph)   E  6         E  8         E  8
Mixing Hgt(ft-agl/msl)5630                      4090
Transport Wnd (mph)   E  2                      NE  1
Vent Rate (kt-ft)     11260                     4090
Dispersion            5                         4
DSI                   4            1            4
LAL                   3            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ024-080845-
Cayey Mountain Range-
443 AM AST Tue May 7 2024

                      Today        Tonight      Wed

Cloud Cover           Mcldy        Pcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     70           30           70
Temp (24h trend)      83 (+2)      69 (-2)      82
RH % (24h trend)      71 (-6)      99 (0)       72
Wind 20ft/early(mph)  E  8         NE  6        E  6
Wind 20ft/late(mph)   E  8         NE  6        E  6
Mixing Hgt(ft-agl/msl)3580                      2880
Transport Wnd (mph)   E  6                      E  5
Vent Rate (kt-ft)     17900                     11520
Dispersion            5                         4
DSI                   5            1            5
LAL                   3            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ025-080845-
Vieques-
443 AM AST Tue May 7 2024

                      Today        Tonight      Wed

Cloud Cover           Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     80           80           60
Temp (24h trend)      88 (-1)      75 (-1)      87
RH % (24h trend)      63 (-2)      91 (-4)      63
Wind 20ft/early(mph)  E 10         E 11         E 10
Wind 20ft/late(mph)   E 10         E 11         E 10
Mixing Hgt(ft-agl/msl)2520                      2510
Transport Wnd (mph)   E 12                      SE  7
Vent Rate (kt-ft)     25200                     15060
Dispersion            5                         5
DSI                   6            5            5
LAL                   2            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ026-080845-
Culebra-
443 AM AST Tue May 7 2024

                      Today        Tonight      Wed

Cloud Cover           Mcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     80           80           60
Temp (24h trend)      89 (+1)      76 (-1)      88
RH % (24h trend)      62 (-5)      95 (0)       64
Wind 20ft/early(mph)  E 11         E 12         E 10
Wind 20ft/late(mph)   E 11         E 12         E 10
Mixing Hgt(ft-agl/msl)2500                      2280
Transport Wnd (mph)   E 13                      SE  8
Vent Rate (kt-ft)     27500                     15960
Dispersion            5                         4
DSI                   6            6            6
LAL                   2            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

PRZ027-080845-
Southwest Coastal Plains and Mona Island-
443 AM AST Tue May 7 2024

                      Today        Tonight      Wed

Cloud Cover           Pcldy        Mclear       Pcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     70           50           40
Temp (24h trend)      92 (+1)      74 (-2)      92
RH % (24h trend)      51 (-3)      92 (+6)      50
Wind 20ft/early(mph)  SE 11        E  8         E  9
Wind 20ft/late(mph)   SE 11        E  8         E  9
Mixing Hgt(ft-agl/msl)4600                      4030
Transport Wnd (mph)   E  6                      E  3
Vent Rate (kt-ft)     23000                     12090
Dispersion            5                         4
DSI                   5            3            6
LAL                   3            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

VIZ001-080845-
Saint Thomas and Saint John-
443 AM AST Tue May 7 2024

                      Today        Tonight      Wed

Cloud Cover           Pcldy        Mcldy        Mcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     50           80           60
Temp (24h trend)      87 (-1)      75 (-2)      87
RH % (24h trend)      64 (-2)      95 (+2)      62
Wind 20ft/early(mph)  E 11         E 12         E 11
Wind 20ft/late(mph)   E 11         E 12         E 11
Mixing Hgt(ft-agl/msl)2470                      2240
Transport Wnd (mph)   E 14                      SE  8
Vent Rate (kt-ft)     29640                     15680
Dispersion            5                         5
DSI                   6            6            6
LAL                   2            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$

VIZ002-080845-
St Croix-
443 AM AST Tue May 7 2024

                      Today        Tonight      Wed

Cloud Cover           Pcldy        Mcldy        Pcldy
Precip Type           Tstms        Tstms        Tstms
Chance Precip (%)     50           70           50
Temp (24h trend)      87 (-1)      75 (0)       88
RH % (24h trend)      66 (-3)      92 (-6)      63
Wind 20ft/early(mph)  E  9         E 10         E 10
Wind 20ft/late(mph)   E  9         E 10         E 10
Mixing Hgt(ft-agl/msl)3360                      3670
Transport Wnd (mph)   E  9                      SE  6
Vent Rate (kt-ft)     26880                     18350
Dispersion            5                         5
DSI                   6            5            6
LAL                   2            2            2
Haines Index          3            3            3
RH Recovery                        Excellent

Remarks...None.

$$


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