Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
872
FNCA52 TJSJ 270818
FWFSJU
Fire Weather Planning Forecast for Puerto Rico
National Weather Service San Juan PR
418 AM AST Thu Mar 27 2025
.DISCUSSION...
Today, winds will remain moderate from the southeast. Although
some stations are reporting high KDBI values, isolated showers
are expected along fire-prone areas, maintaining relative
humidity values above thresholds. Therefore, the fire danger will
remain low today.
PRZ014-280830-
Southeast Coastal Plains-
418 AM AST Thu Mar 27 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 40 30 40
Temp (24h trend) 88 (+1) 70 (-4) 89
RH % (24h trend) 49 (-4) 88 (+9) 41
Wind 20ft/early(mph) SE 13 G18 E 9 E 20 G26
Wind 20ft/late(mph) SE 13 G18 E 9 E 20 G26
Mixing Hgt(ft-agl/msl)5110 5860
Transport Wnd (mph) SE 14 E 18
Vent Rate (kt-ft) 61320 93760
Dispersion 5 5
DSI 5 3 6
RH Recovery Excellent
Remarks...None.
$$
PRZ015-280830-
Southern Hills-
418 AM AST Thu Mar 27 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Tstms
Chance Precip (%) 40 20 40
Temp (24h trend) 84 (+2) 67 (-4) 85
RH % (24h trend) 59 (-5) 96 (+10) 56
Wind 20ft/early(mph) SE 11 E 8 E 14
Wind 20ft/late(mph) SE 11 E 8 E 14
Mixing Hgt(ft-agl/msl)5550 6580
Transport Wnd (mph) SE 13 E 16
Vent Rate (kt-ft) 61050 92120
Dispersion 5 5
DSI 5 2 5
RH Recovery Excellent
Remarks...None.
$$
PRZ016-280830-
North Coastal Plains-
418 AM AST Thu Mar 27 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 40 50 40
Temp (24h trend) 90 (+3) 70 (-3) 87
RH % (24h trend) 54 (-7) 99 (+8) 60
Wind 20ft/early(mph) E 13 E 9 E 19 G22
Wind 20ft/late(mph) E 13 E 9 E 19 G22
Mixing Hgt(ft-agl/msl)5550 5530
Transport Wnd (mph) SE 9 E 17
Vent Rate (kt-ft) 44400 82950
Dispersion 5 5
DSI 5 3 6
RH Recovery Excellent
Remarks...None.
$$
PRZ017-280830-
Northern Hills-
418 AM AST Thu Mar 27 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 70 20 40
Temp (24h trend) 87 (+2) 68 (-3) 86
RH % (24h trend) 57 (-3) 97 (+7) 62
Wind 20ft/early(mph) E 12 SE 6 NE 17
Wind 20ft/late(mph) E 12 SE 6 NE 17
Mixing Hgt(ft-agl/msl)6180 6600
Transport Wnd (mph) SE 8 E 14
Vent Rate (kt-ft) 43260 79200
Dispersion 5 5
DSI 5 2 5
RH Recovery Excellent
Remarks...None.
$$
PRZ018-280830-
West Coast-
418 AM AST Thu Mar 27 2025
Today Tonight Fri
Cloud Cover Pcldy Mclear Pcldy
Precip Type Showers Showers Tstms
Chance Precip (%) 50 30 70
Temp (24h trend) 88 (0) 67 (-4) 89
RH % (24h trend) 59 (0) 97 (+9) 57
Wind 20ft/early(mph) E 12 E 11 E 14
Wind 20ft/late(mph) E 12 E 11 E 14
Mixing Hgt(ft-agl/msl)4660 5320
Transport Wnd (mph) SE 12 E 9
Vent Rate (kt-ft) 46600 42560
Dispersion 5 5
DSI 5 3 5
RH Recovery Excellent
Remarks...None.
$$
PRZ019-280830-
Eastern Interior-
418 AM AST Thu Mar 27 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 40 60 40
Temp (24h trend) 86 (+3) 68 (-4) 85
RH % (24h trend) 57 (-6) 97 (+5) 59
Wind 20ft/early(mph) SE 12 E 10 E 12
Wind 20ft/late(mph) SE 12 E 10 E 12
Mixing Hgt(ft-agl/msl)6210 6640
Transport Wnd (mph) SE 13 E 15
Vent Rate (kt-ft) 68310 86320
Dispersion 5 5
DSI 5 3 6
RH Recovery Excellent
Remarks...None.
$$
PRZ022-280830-
Luquillo Mountain Range-
418 AM AST Thu Mar 27 2025
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 50 70 40
Temp (24h trend) 82 (+4) 66 (-4) 80
RH % (24h trend) 64 (-10) 99 (+4) 66
Wind 20ft/early(mph) SE 11 E 8 E 11
Wind 20ft/late(mph) SE 11 E 8 E 11
Mixing Hgt(ft-agl/msl)4850 5210
Transport Wnd (mph) SE 13 E 16
Vent Rate (kt-ft) 53350 72940
Dispersion 5 5
DSI 6 4 6
RH Recovery Excellent
Remarks...None.
$$
PRZ023-280830-
Central Mountain Range-
418 AM AST Thu Mar 27 2025
Today Tonight Fri
Cloud Cover Pcldy Mclear Pcldy
Precip Type Showers Showers Tstms
Chance Precip (%) 60 10 50
Temp (24h trend) 84 (+4) 64 (-4) 83
RH % (24h trend) 62 (-3) 97 (+7) 62
Wind 20ft/early(mph) SE 9 SE 5 E 12
Wind 20ft/late(mph) SE 9 SE 5 E 12
Mixing Hgt(ft-agl/msl)6350 8130
Transport Wnd (mph) SE 10 E 12
Vent Rate (kt-ft) 57150 81300
Dispersion 5 5
DSI 5 1 5
RH Recovery Excellent
Remarks...None.
$$
PRZ024-280830-
Cayey Mountain Range-
418 AM AST Thu Mar 27 2025
Today Tonight Fri
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 50 60 40
Temp (24h trend) 81 (+3) 67 (-3) 81
RH % (24h trend) 65 (-7) 100 (+5) 64
Wind 20ft/early(mph) SE 10 E 6 E 12
Wind 20ft/late(mph) SE 10 E 6 E 12
Mixing Hgt(ft-agl/msl)5150 5730
Transport Wnd (mph) SE 14 E 17
Vent Rate (kt-ft) 61800 85950
Dispersion 5 5
DSI 6 3 6
RH Recovery Excellent
Remarks...None.
$$
PRZ025-280830-
Vieques-
418 AM AST Thu Mar 27 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 50 50 40
Temp (24h trend) 86 (+1) 72 (-4) 85
RH % (24h trend) 58 (-4) 92 (+5) 58
Wind 20ft/early(mph) SE 12 E 12 E 14 G19
Wind 20ft/late(mph) SE 12 E 12 E 14 G19
Mixing Hgt(ft-agl/msl)3550 3730
Transport Wnd (mph) SE 20 E 20
Vent Rate (kt-ft) 60350 63410
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
PRZ026-280830-
Culebra-
418 AM AST Thu Mar 27 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 40 40 40
Temp (24h trend) 87 (+2) 74 (-2) 87
RH % (24h trend) 58 (-6) 91 (+3) 59
Wind 20ft/early(mph) SE 13 E 12 E 14 G19
Wind 20ft/late(mph) SE 13 E 12 E 14 G19
Mixing Hgt(ft-agl/msl)3680 3640
Transport Wnd (mph) SE 20 E 20
Vent Rate (kt-ft) 62560 61880
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
PRZ027-280830-
Southwest Coastal Plains and Mona Island-
418 AM AST Thu Mar 27 2025
Today Tonight Fri
Cloud Cover Pcldy Mclear Pcldy
Precip Type Showers Showers Tstms
Chance Precip (%) 50 10 60
Temp (24h trend) 89 (+1) 69 (-5) 90
RH % (24h trend) 49 (-3) 95 (+16) 43
Wind 20ft/early(mph) SE 16 G21 E 16 G20 E 20 G27
Wind 20ft/late(mph) SE 16 G21 E 16 G20 E 20 G27
Mixing Hgt(ft-agl/msl)4710 5850
Transport Wnd (mph) SE 16 E 16
Vent Rate (kt-ft) 65940 81900
Dispersion 5 5
DSI 5 4 5
RH Recovery Excellent
Remarks...None.
$$
VIZ001-280830-
Saint Thomas and Saint John-
418 AM AST Thu Mar 27 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 40 40 40
Temp (24h trend) 85 (+1) 73 (-2) 85
RH % (24h trend) 60 (-5) 91 (+2) 59
Wind 20ft/early(mph) SE 14 G18 E 12 E 16 G20
Wind 20ft/late(mph) SE 14 G18 E 12 E 16 G20
Mixing Hgt(ft-agl/msl)3910 3650
Transport Wnd (mph) SE 21 E 20
Vent Rate (kt-ft) 70380 62050
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
VIZ002-280830-
St Croix-
418 AM AST Thu Mar 27 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 40 50 30
Temp (24h trend) 87 (+2) 74 (-2) 85
RH % (24h trend) 61 (-4) 90 (+5) 60
Wind 20ft/early(mph) SE 14 G18 E 12 E 16 G19
Wind 20ft/late(mph) SE 14 G18 E 12 E 16 G19
Mixing Hgt(ft-agl/msl)4880 4850
Transport Wnd (mph) SE 16 E 20
Vent Rate (kt-ft) 68320 82450
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
$$