Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
088
FNCA52 TJSJ 160800
FWFSJU
Fire Weather Planning Forecast for Puerto Rico
National Weather Service San Juan PR
400 AM AST Fri May 16 2025
.DISCUSSION...
Fire danger risk is low today across the area, with minimal
conditions favorable for wildfire development.
PRZ014-171000-
Southeast Coastal Plains-
400 AM AST Fri May 16 2025
Today Tonight Sat
Cloud Cover Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 60 60 70
Temp (24h trend) 87 (+1) 71 (-3) 87
RH % (24h trend) 57 (-8) 87 (-3) 57
Wind 20ft/early(mph) E 12 NE 12 E 17 G22
Wind 20ft/late(mph) E 12 NE 12 E 17 G22
Mixing Hgt(ft-agl/msl)3580 3440
Transport Wnd (mph) E 12 E 9
Vent Rate (kt-ft) 35800 27520
Dispersion 5 5
DSI 4 4 5
RH Recovery Excellent
Remarks...None.
$$
PRZ015-171000-
Southern Hills-
400 AM AST Fri May 16 2025
Today Tonight Sat
Cloud Cover Mcldy Pcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 60 50 70
Temp (24h trend) 83 (+2) 68 (-4) 83
RH % (24h trend) 69 (-8) 99 (+5) 70
Wind 20ft/early(mph) E 9 NE 11 E 12
Wind 20ft/late(mph) E 9 NE 11 E 12
Mixing Hgt(ft-agl/msl)3890 4330
Transport Wnd (mph) E 10 E 8
Vent Rate (kt-ft) 35010 30310
Dispersion 5 5
DSI 5 2 5
RH Recovery Excellent
Remarks...None.
$$
PRZ016-171000-
North Coastal Plains-
400 AM AST Fri May 16 2025
Today Tonight Sat
Cloud Cover Mcldy Pcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 90 70 80
Temp (24h trend) 86 (0) 70 (-4) 85
RH % (24h trend) 69 (-5) 99 (+2) 70
Wind 20ft/early(mph) E 14 E 12 E 13
Wind 20ft/late(mph) E 14 E 12 E 13
Mixing Hgt(ft-agl/msl)3070 3540
Transport Wnd (mph) E 10 E 9
Vent Rate (kt-ft) 27630 28320
Dispersion 5 5
DSI 5 5 5
RH Recovery Excellent
Remarks...None.
$$
PRZ017-171000-
Northern Hills-
400 AM AST Fri May 16 2025
Today Tonight Sat
Cloud Cover Mcldy Pcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 100 70 100
Temp (24h trend) 84 (+1) 68 (-4) 84
RH % (24h trend) 73 (-2) 99 (+1) 73
Wind 20ft/early(mph) E 11 E 11 E 10
Wind 20ft/late(mph) E 11 E 11 E 10
Mixing Hgt(ft-agl/msl)3420 4340
Transport Wnd (mph) E 8 E 6
Vent Rate (kt-ft) 23940 21700
Dispersion 5 5
DSI 5 3 5
RH Recovery Excellent
Remarks...None.
$$
PRZ018-171000-
West Coast-
400 AM AST Fri May 16 2025
Today Tonight Sat
Cloud Cover Mcldy Pcldy Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 80 40 70
Temp (24h trend) 86 (0) 69 (-4) 87
RH % (24h trend) 69 (-3) 99 (+2) 68
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)3700 3540
Transport Wnd (mph) E 8 E 5
Vent Rate (kt-ft) 25900 14160
Dispersion 5 5
DSI 5 3 5
RH Recovery Excellent
Remarks...None.
$$
PRZ019-171000-
Eastern Interior-
400 AM AST Fri May 16 2025
Today Tonight Sat
Cloud Cover Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 80 60 80
Temp (24h trend) 84 (+2) 69 (-4) 83
RH % (24h trend) 70 (-6) 100 (+3) 72
Wind 20ft/early(mph) E 8 E 11 E 10
Wind 20ft/late(mph) E 8 E 11 E 10
Mixing Hgt(ft-agl/msl)3130 4220
Transport Wnd (mph) E 9 E 9
Vent Rate (kt-ft) 25040 33760
Dispersion 5 5
DSI 5 3 5
RH Recovery Excellent
Remarks...None.
$$
PRZ022-171000-
Luquillo Mountain Range-
400 AM AST Fri May 16 2025
Today Tonight Sat
Cloud Cover Mcldy Mcldy Cloudy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 90 80 80
Temp (24h trend) 80 (+3) 66 (-5) 79
RH % (24h trend) 78 (-7) 100 (+2) 80
Wind 20ft/early(mph) E 6 E 8 E 9
Wind 20ft/late(mph) E 6 E 8 E 9
Mixing Hgt(ft-agl/msl)2790 3710
Transport Wnd (mph) E 10 E 10
Vent Rate (kt-ft) 25110 33390
Dispersion 5 5
DSI 5 3 5
RH Recovery Excellent
Remarks...None.
$$
PRZ023-171000-
Central Mountain Range-
400 AM AST Fri May 16 2025
Today Tonight Sat
Cloud Cover Mcldy Pcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 80 60 100
Temp (24h trend) 82 (+3) 65 (-5) 82
RH % (24h trend) 74 (-5) 99 (+1) 74
Wind 20ft/early(mph) E 10 E 10 E 6
Wind 20ft/late(mph) E 10 E 10 E 6
Mixing Hgt(ft-agl/msl)3910 5190
Transport Wnd (mph) E 7 SE 5
Vent Rate (kt-ft) 23460 20760
Dispersion 5 5
DSI 5 2 4
RH Recovery Excellent
Remarks...None.
$$
PRZ024-171000-
Cayey Mountain Range-
400 AM AST Fri May 16 2025
Today Tonight Sat
Cloud Cover Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 70 60 80
Temp (24h trend) 79 (+1) 67 (-4) 79
RH % (24h trend) 79 (-5) 100 (0) 79
Wind 20ft/early(mph) E 6 E 9 E 9
Wind 20ft/late(mph) E 6 E 9 E 9
Mixing Hgt(ft-agl/msl)3080 3800
Transport Wnd (mph) E 13 E 10
Vent Rate (kt-ft) 33880 34200
Dispersion 5 5
DSI 5 3 5
RH Recovery Excellent
Remarks...None.
$$
PRZ025-171000-
Vieques-
400 AM AST Fri May 16 2025
Today Tonight Sat
Cloud Cover Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 80 80 60
Temp (24h trend) 86 (+1) 71 (-4) 85
RH % (24h trend) 64 (-6) 99 (+5) 66
Wind 20ft/early(mph) E 11 E 16 G20 E 12
Wind 20ft/late(mph) E 11 E 16 G20 E 12
Mixing Hgt(ft-agl/msl)3130 2590
Transport Wnd (mph) E 18 E 14
Vent Rate (kt-ft) 50080 31080
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
PRZ026-171000-
Culebra-
400 AM AST Fri May 16 2025
Today Tonight Sat
Cloud Cover Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 80 80 60
Temp (24h trend) 87 (+1) 72 (-5) 87
RH % (24h trend) 63 (-8) 100 (+8) 66
Wind 20ft/early(mph) E 11 E 16 G19 E 11
Wind 20ft/late(mph) E 11 E 16 G19 E 11
Mixing Hgt(ft-agl/msl)3200 2270
Transport Wnd (mph) E 20 E 13
Vent Rate (kt-ft) 54400 24970
Dispersion 5 5
DSI 6 5 6
RH Recovery Excellent
Remarks...None.
$$
PRZ027-171000-
Southwest Coastal Plains and Mona Island-
400 AM AST Fri May 16 2025
Today Tonight Sat
Cloud Cover Mcldy Pcldy Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 80 40 40
Temp (24h trend) 88 (+1) 71 (-3) 88
RH % (24h trend) 56 (-6) 85 (-6) 53
Wind 20ft/early(mph) E 16 G20 E 16 G19 E 16 G21
Wind 20ft/late(mph) E 16 G20 E 16 G19 E 16 G21
Mixing Hgt(ft-agl/msl)4150 3990
Transport Wnd (mph) E 13 E 9
Vent Rate (kt-ft) 45650 31920
Dispersion 5 5
DSI 5 3 5
RH Recovery Excellent
Remarks...None.
$$
VIZ001-171000-
Saint Thomas and Saint John-
400 AM AST Fri May 16 2025
Today Tonight Sat
Cloud Cover Pcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 80 80 60
Temp (24h trend) 86 (+2) 71 (-5) 84
RH % (24h trend) 67 (-4) 100 (+8) 70
Wind 20ft/early(mph) E 12 E 13 E 13 G17
Wind 20ft/late(mph) E 12 E 13 E 13 G17
Mixing Hgt(ft-agl/msl)3230 1820
Transport Wnd (mph) E 20 E 14
Vent Rate (kt-ft) 54910 21840
Dispersion 5 5
DSI 6 5 6
RH Recovery Excellent
Remarks...None.
$$
VIZ002-171000-
St Croix-
400 AM AST Fri May 16 2025
Today Tonight Sat
Cloud Cover Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 80 80 60
Temp (24h trend) 87 (+2) 73 (-4) 85
RH % (24h trend) 67 (-5) 99 (+9) 69
Wind 20ft/early(mph) E 13 E 14 G18 E 12
Wind 20ft/late(mph) E 13 E 14 G18 E 12
Mixing Hgt(ft-agl/msl)3110 3530
Transport Wnd (mph) E 17 E 14
Vent Rate (kt-ft) 46650 42360
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
$$