Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
094
FNCA52 TJSJ 140907
FWFSJU
Fire Weather Planning Forecast for Puerto Rico
National Weather Service San Juan PR
507 AM AST Mon Jul 14 2025
.DISCUSSION...
Similar conditions to yesterday are expected across Puerto Rico as
higher humidity content and slightly lighter winds are
anticipated. Afternoon showers with isolated thunderstorms are
expected to develop mainly over west/northwest PR. Therefore, the
fire danger is low for today.
PRZ014-150915-
Southeast Coastal Plains-
507 AM AST Mon Jul 14 2025
Today Tonight Tue
Cloud Cover Mclear Mclear Mclear
Precip Type Showers Showers None
Chance Precip (%) 10 20 0
Temp (24h trend) 91 (+1) 72 (-2) 93
RH % (24h trend) 55 (-4) 91 (+1) 52
Wind 20ft/early(mph) SE 14 G19 E 12 E 17 G22
Wind 20ft/late(mph) SE 14 G19 E 12 E 17 G22
Mixing Hgt(ft-agl/msl)5140 5190
Transport Wnd (mph) E 16 E 17
Vent Rate (kt-ft) 71960 77850
Dispersion 5 5
DSI 5 4 6
RH Recovery Excellent
Remarks...None.
$$
PRZ015-150915-
Southern Hills-
507 AM AST Mon Jul 14 2025
Today Tonight Tue
Cloud Cover Mclear Mclear Mclear
Precip Type Showers Showers Showers
Chance Precip (%) 30 10 20
Temp (24h trend) 86 (+2) 69 (-3) 88
RH % (24h trend) 61 (-5) 98 (+4) 58
Wind 20ft/early(mph) SE 11 E 11 E 13
Wind 20ft/late(mph) SE 11 E 11 E 13
Mixing Hgt(ft-agl/msl)5640 5860
Transport Wnd (mph) E 15 E 17
Vent Rate (kt-ft) 73320 87900
Dispersion 5 5
DSI 5 4 6
RH Recovery Excellent
Remarks...None.
$$
PRZ016-150915-
North Coastal Plains-
507 AM AST Mon Jul 14 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Pcldy
Precip Type Showers Showers Tstms
Chance Precip (%) 50 10 50
Temp (24h trend) 90 (+2) 73 (-1) 90
RH % (24h trend) 59 (-6) 97 (+1) 62
Wind 20ft/early(mph) E 19 E 16 E 20 G23
Wind 20ft/late(mph) E 19 E 16 E 20 G23
Mixing Hgt(ft-agl/msl)5580 5390
Transport Wnd (mph) E 15 E 16
Vent Rate (kt-ft) 72540 75460
Dispersion 5 5
DSI 6 5 6
RH Recovery Excellent
Remarks...None.
$$
PRZ017-150915-
Northern Hills-
507 AM AST Mon Jul 14 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 60 10 60
Temp (24h trend) 87 (+1) 70 (-2) 88
RH % (24h trend) 63 (-3) 98 (-1) 62
Wind 20ft/early(mph) E 14 E 12 E 18
Wind 20ft/late(mph) E 14 E 12 E 18
Mixing Hgt(ft-agl/msl)6230 6350
Transport Wnd (mph) E 12 E 14
Vent Rate (kt-ft) 62300 76200
Dispersion 5 5
DSI 5 3 6
RH Recovery Excellent
Remarks...None.
$$
PRZ018-150915-
West Coast-
507 AM AST Mon Jul 14 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Mclear
Precip Type Tstms Showers Tstms
Chance Precip (%) 50 30 30
Temp (24h trend) 90 (+1) 70 (-2) 91
RH % (24h trend) 60 (-4) 99 (+3) 58
Wind 20ft/early(mph) E 13 E 13 E 13
Wind 20ft/late(mph) E 13 E 13 E 13
Mixing Hgt(ft-agl/msl)4690 5040
Transport Wnd (mph) SE 10 E 12
Vent Rate (kt-ft) 42210 50400
Dispersion 5 5
DSI 5 4 6
RH Recovery Excellent
Remarks...None.
$$
PRZ019-150915-
Eastern Interior-
507 AM AST Mon Jul 14 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Pcldy
Precip Type Showers Showers Tstms
Chance Precip (%) 40 20 40
Temp (24h trend) 88 (+2) 71 (-2) 89
RH % (24h trend) 61 (-4) 97 (+2) 62
Wind 20ft/early(mph) SE 12 E 12 E 12
Wind 20ft/late(mph) SE 12 E 12 E 12
Mixing Hgt(ft-agl/msl)6130 6020
Transport Wnd (mph) SE 15 E 16
Vent Rate (kt-ft) 79690 84280
Dispersion 5 5
DSI 5 4 6
RH Recovery Excellent
Remarks...None.
$$
PRZ022-150915-
Luquillo Mountain Range-
507 AM AST Mon Jul 14 2025
Today Tonight Tue
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Tstms
Chance Precip (%) 50 30 50
Temp (24h trend) 83 (+3) 69 (-2) 83
RH % (24h trend) 70 (-4) 100 (+2) 72
Wind 20ft/early(mph) SE 11 E 10 E 11
Wind 20ft/late(mph) SE 11 E 10 E 11
Mixing Hgt(ft-agl/msl)4580 4590
Transport Wnd (mph) SE 16 E 16
Vent Rate (kt-ft) 64120 64260
Dispersion 5 5
DSI 6 5 6
RH Recovery Excellent
Remarks...None.
$$
PRZ023-150915-
Central Mountain Range-
507 AM AST Mon Jul 14 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 60 10 50
Temp (24h trend) 85 (+3) 66 (-3) 87
RH % (24h trend) 66 (-4) 99 (0) 62
Wind 20ft/early(mph) SE 9 E 8 E 11
Wind 20ft/late(mph) SE 9 E 8 E 11
Mixing Hgt(ft-agl/msl)6640 7130
Transport Wnd (mph) E 9 E 14
Vent Rate (kt-ft) 53120 85560
Dispersion 5 5
DSI 5 2 5
RH Recovery Excellent
Remarks...None.
$$
PRZ024-150915-
Cayey Mountain Range-
507 AM AST Mon Jul 14 2025
Today Tonight Tue
Cloud Cover Pcldy Pcldy Mclear
Precip Type Showers Showers Showers
Chance Precip (%) 20 40 20
Temp (24h trend) 83 (+1) 69 (-2) 84
RH % (24h trend) 68 (-1) 100 (+1) 67
Wind 20ft/early(mph) E 10 E 9 E 10
Wind 20ft/late(mph) E 10 E 9 E 10
Mixing Hgt(ft-agl/msl)5240 5290
Transport Wnd (mph) SE 15 E 17
Vent Rate (kt-ft) 68120 79350
Dispersion 5 5
DSI 6 4 6
RH Recovery Excellent
Remarks...None.
$$
PRZ025-150915-
Vieques-
507 AM AST Mon Jul 14 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 50 20 50
Temp (24h trend) 88 (+1) 76 (-1) 89
RH % (24h trend) 57 (-4) 87 (0) 60
Wind 20ft/early(mph) E 13 G17 E 14 G19 E 13 G17
Wind 20ft/late(mph) E 13 G17 E 14 G19 E 13 G17
Mixing Hgt(ft-agl/msl)3540 3660
Transport Wnd (mph) E 18 E 17
Vent Rate (kt-ft) 56640 54900
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
PRZ026-150915-
Culebra-
507 AM AST Mon Jul 14 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Pcldy
Precip Type Showers None Tstms
Chance Precip (%) 50 0 50
Temp (24h trend) 90 (+2) 77 (-1) 91
RH % (24h trend) 58 (-6) 87 (-1) 61
Wind 20ft/early(mph) E 14 G18 E 14 G19 E 16 G19
Wind 20ft/late(mph) E 14 G18 E 14 G19 E 16 G19
Mixing Hgt(ft-agl/msl)3480 3460
Transport Wnd (mph) E 21 E 17
Vent Rate (kt-ft) 62640 51900
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
PRZ027-150915-
Southwest Coastal Plains and Mona Island-
507 AM AST Mon Jul 14 2025
Today Tonight Tue
Cloud Cover Mclear Mclear Mclear
Precip Type Showers Showers Showers
Chance Precip (%) 20 30 0
Temp (24h trend) 91 (+1) 74 (-1) 92
RH % (24h trend) 56 (-2) 88 (+3) 54
Wind 20ft/early(mph) SE 18 G23 E 18 G22 SE 19 G25
Wind 20ft/late(mph) SE 18 G23 E 18 G22 SE 19 G25
Mixing Hgt(ft-agl/msl)5240 5270
Transport Wnd (mph) E 17 E 18
Vent Rate (kt-ft) 78600 84320
Dispersion 5 5
DSI 5 5 6
RH Recovery Excellent
Remarks...None.
$$
VIZ001-150915-
Saint Thomas and Saint John-
507 AM AST Mon Jul 14 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Pcldy
Precip Type Showers Showers Tstms
Chance Precip (%) 50 10 50
Temp (24h trend) 86 (+1) 75 (-3) 87
RH % (24h trend) 61 (-6) 94 (+6) 64
Wind 20ft/early(mph) E 14 G18 E 14 G19 E 18 G22
Wind 20ft/late(mph) E 14 G18 E 14 G19 E 18 G22
Mixing Hgt(ft-agl/msl)3550 3430
Transport Wnd (mph) E 20 E 18
Vent Rate (kt-ft) 60350 54880
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
VIZ002-150915-
St Croix-
507 AM AST Mon Jul 14 2025
Today Tonight Tue
Cloud Cover Pcldy Mclear Pcldy
Precip Type Showers Showers Tstms
Chance Precip (%) 50 20 40
Temp (24h trend) 87 (+1) 76 (-1) 89
RH % (24h trend) 61 (-5) 89 (+2) 64
Wind 20ft/early(mph) E 14 G18 E 14 G17 E 14 G17
Wind 20ft/late(mph) E 14 G18 E 14 G17 E 14 G17
Mixing Hgt(ft-agl/msl)4650 4380
Transport Wnd (mph) E 20 E 17
Vent Rate (kt-ft) 79050 65700
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
$$