Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
904
FNCA52 TJSJ 150918
FWFSJU
Fire Weather Planning Forecast for Puerto Rico
National Weather Service San Juan PR
518 AM AST Thu May 15 2025
.DISCUSSION...
Fire danger risk is low today across the area, with minimal
conditions favorable for wildfire development.
PRZ014-161000-
Southeast Coastal Plains-
518 AM AST Thu May 15 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 60 60 70
Temp (24h trend) 88 (+2) 72 (-3) 85
RH % (24h trend) 59 (-3) 94 (+8) 59
Wind 20ft/early(mph) E 14 G20 E 11 E 17 G22
Wind 20ft/late(mph) E 14 G20 E 11 E 17 G22
Mixing Hgt(ft-agl/msl)3820 1930
Transport Wnd (mph) E 17 E 9
Vent Rate (kt-ft) 57300 15440
Dispersion 5 5
DSI 6 5 5
RH Recovery Excellent
Remarks...None.
$$
PRZ015-161000-
Southern Hills-
518 AM AST Thu May 15 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 60 60 80
Temp (24h trend) 84 (+3) 69 (-3) 81
RH % (24h trend) 69 (-5) 99 (+8) 73
Wind 20ft/early(mph) E 12 E 11 E 11
Wind 20ft/late(mph) E 12 E 11 E 11
Mixing Hgt(ft-agl/msl)4290 1530
Transport Wnd (mph) E 17 E 8
Vent Rate (kt-ft) 64350 10710
Dispersion 5 5
DSI 6 4 5
RH Recovery Excellent
Remarks...None.
$$
PRZ016-161000-
North Coastal Plains-
518 AM AST Thu May 15 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 60 60 80
Temp (24h trend) 87 (+2) 72 (-2) 84
RH % (24h trend) 70 (-3) 99 (+4) 73
Wind 20ft/early(mph) E 16 G18 E 11 E 20
Wind 20ft/late(mph) E 16 G18 E 11 E 20
Mixing Hgt(ft-agl/msl)3850 2120
Transport Wnd (mph) E 15 NE 14
Vent Rate (kt-ft) 50050 25440
Dispersion 5 5
DSI 6 5 5
RH Recovery Excellent
Remarks...None.
$$
PRZ017-161000-
Northern Hills-
518 AM AST Thu May 15 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 70 50 80
Temp (24h trend) 84 (+1) 70 (-2) 82
RH % (24h trend) 72 (-1) 100 (+2) 76
Wind 20ft/early(mph) E 14 E 9 E 18
Wind 20ft/late(mph) E 14 E 9 E 18
Mixing Hgt(ft-agl/msl)4450 1670
Transport Wnd (mph) SE 14 NE 13
Vent Rate (kt-ft) 53400 18370
Dispersion 5 5
DSI 6 3 5
RH Recovery Excellent
Remarks...None.
$$
PRZ018-161000-
West Coast-
518 AM AST Thu May 15 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 60 60 70
Temp (24h trend) 87 (-1) 71 (-1) 84
RH % (24h trend) 68 (+1) 99 (+4) 71
Wind 20ft/early(mph) E 14 G17 E 13 E 23
Wind 20ft/late(mph) E 14 G17 E 13 E 23
Mixing Hgt(ft-agl/msl)4010 1410
Transport Wnd (mph) E 15 NE 15
Vent Rate (kt-ft) 52130 18330
Dispersion 5 5
DSI 6 5 6
RH Recovery Excellent
Remarks...None.
$$
PRZ019-161000-
Eastern Interior-
518 AM AST Thu May 15 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 60 60 80
Temp (24h trend) 84 (+2) 71 (-2) 82
RH % (24h trend) 72 (-2) 99 (+5) 73
Wind 20ft/early(mph) E 13 E 13 E 11
Wind 20ft/late(mph) E 13 E 13 E 11
Mixing Hgt(ft-agl/msl)3860 1340
Transport Wnd (mph) E 16 NE 8
Vent Rate (kt-ft) 54040 9380
Dispersion 5 5
DSI 6 4 4
RH Recovery Excellent
Remarks...None.
$$
PRZ022-161000-
Luquillo Mountain Range-
518 AM AST Thu May 15 2025
Today Tonight Fri
Cloud Cover Pcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 60 60 80
Temp (24h trend) 80 (+2) 68 (-4) 78
RH % (24h trend) 78 (-2) 100 (+5) 82
Wind 20ft/early(mph) E 11 E 10 E 9
Wind 20ft/late(mph) E 11 E 10 E 9
Mixing Hgt(ft-agl/msl)3160 1330
Transport Wnd (mph) E 17 NE 9
Vent Rate (kt-ft) 47400 10640
Dispersion 5 5
DSI 6 5 4
RH Recovery Excellent
Remarks...None.
$$
PRZ023-161000-
Central Mountain Range-
518 AM AST Thu May 15 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 60 50 80
Temp (24h trend) 83 (+3) 67 (-2) 79
RH % (24h trend) 72 (-4) 99 (+2) 77
Wind 20ft/early(mph) SE 10 E 6 E 19
Wind 20ft/late(mph) SE 10 E 6 E 19
Mixing Hgt(ft-agl/msl)4690 1330
Transport Wnd (mph) SE 15 E 8
Vent Rate (kt-ft) 60970 9310
Dispersion 5 4
DSI 5 2 5
RH Recovery Excellent
Remarks...None.
$$
PRZ024-161000-
Cayey Mountain Range-
518 AM AST Thu May 15 2025
Today Tonight Fri
Cloud Cover Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 60 60 80
Temp (24h trend) 80 (+1) 69 (-2) 77
RH % (24h trend) 79 (-1) 100 (+2) 83
Wind 20ft/early(mph) E 10 E 9 E 6
Wind 20ft/late(mph) E 10 E 9 E 6
Mixing Hgt(ft-agl/msl)3360 1260
Transport Wnd (mph) E 16 NE 7
Vent Rate (kt-ft) 47040 7560
Dispersion 5 4
DSI 6 4 4
RH Recovery Excellent
Remarks...None.
$$
PRZ025-161000-
Vieques-
518 AM AST Thu May 15 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 50 60 70
Temp (24h trend) 86 (-1) 73 (-4) 84
RH % (24h trend) 66 (+1) 95 (+8) 69
Wind 20ft/early(mph) E 16 G19 E 17 G21 E 11
Wind 20ft/late(mph) E 16 G19 E 17 G21 E 11
Mixing Hgt(ft-agl/msl)3220 2960
Transport Wnd (mph) E 23 E 18
Vent Rate (kt-ft) 64400 47360
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
PRZ026-161000-
Culebra-
518 AM AST Thu May 15 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 50 60 70
Temp (24h trend) 87 (0) 75 (-3) 85
RH % (24h trend) 66 (0) 95 (+9) 67
Wind 20ft/early(mph) E 16 G19 E 17 G21 E 11
Wind 20ft/late(mph) E 16 G19 E 17 G21 E 11
Mixing Hgt(ft-agl/msl)3240 3350
Transport Wnd (mph) E 24 E 18
Vent Rate (kt-ft) 68040 53600
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
PRZ027-161000-
Southwest Coastal Plains and Mona Island-
518 AM AST Thu May 15 2025
Today Tonight Fri
Cloud Cover Pcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 60 60 70
Temp (24h trend) 89 (+1) 72 (-3) 86
RH % (24h trend) 56 (-3) 97 (+10) 58
Wind 20ft/early(mph) SE 20 G26 E 19 G23 E 23 G26
Wind 20ft/late(mph) SE 20 G26 E 19 G23 E 23 G26
Mixing Hgt(ft-agl/msl)4040 1550
Transport Wnd (mph) E 22 NE 9
Vent Rate (kt-ft) 76760 12400
Dispersion 5 5
DSI 6 5 5
RH Recovery Excellent
Remarks...None.
$$
VIZ001-161000-
Saint Thomas and Saint John-
518 AM AST Thu May 15 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 50 50 70
Temp (24h trend) 84 (-2) 74 (-2) 84
RH % (24h trend) 68 (+1) 95 (+6) 73
Wind 20ft/early(mph) E 16 G20 E 18 G22 E 11
Wind 20ft/late(mph) E 16 G20 E 18 G22 E 11
Mixing Hgt(ft-agl/msl)3270 3470
Transport Wnd (mph) E 23 E 18
Vent Rate (kt-ft) 65400 55520
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
VIZ002-161000-
St Croix-
518 AM AST Thu May 15 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 60 60 70
Temp (24h trend) 86 (0) 76 (-2) 85
RH % (24h trend) 69 (0) 92 (+5) 72
Wind 20ft/early(mph) E 16 G19 E 17 G21 E 12
Wind 20ft/late(mph) E 16 G19 E 17 G21 E 12
Mixing Hgt(ft-agl/msl)3710 2590
Transport Wnd (mph) E 20 E 15
Vent Rate (kt-ft) 63070 33670
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
$$