Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
611
FNCA52 TJSJ 170740
FWFSJU
Fire Weather Planning Forecast for Puerto Rico
National Weather Service San Juan PR
340 AM AST Fri Jan 17 2025
.DISCUSSION...
Winds will continue to prevail from the northeast throughout the
weekend, with gusty conditions along the coastal areas. Relative
humidity values will be around 40 to 50% in the coastal areas,
with lower values possible along the southern coastal planes.
Therefore, conditions are inside the fire threshold range.
However, KBDI values remain below the range along southern coastal
plains. Therefore, the fire danger threat remains low for today,
but conditions will continue to be monitored to see if conditions
warrant.
PRZ014-180745-
Southeast Coastal Plains-
340 AM AST Fri Jan 17 2025
Today Tonight Sat
Cloud Cover Mclear Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 10 50 40
Temp (24h trend) 91 (+5) 71 (-1) 90
RH % (24h trend) 41 (-15) 90 (+10) 48
Wind 20ft/early(mph) E 18 G23 NE 13 E 20 G27
Wind 20ft/late(mph) E 18 G23 NE 13 E 20 G27
Mixing Hgt(ft-agl/msl)5030 4240
Transport Wnd (mph) NE 12 E 22
Vent Rate (kt-ft) 50300 80560
Dispersion 5 5
DSI 6 4 6
LAL 1 1 1
Haines Index 4 3 3
RH Recovery Excellent
Remarks...None.
$$
PRZ015-180745-
Southern Hills-
340 AM AST Fri Jan 17 2025
Today Tonight Sat
Cloud Cover Mclear Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 10 50 40
Temp (24h trend) 86 (+6) 67 (-2) 85
RH % (24h trend) 52 (-17) 98 (+14) 59
Wind 20ft/early(mph) NE 13 NE 12 E 18
Wind 20ft/late(mph) NE 13 NE 12 E 18
Mixing Hgt(ft-agl/msl)5020 4620
Transport Wnd (mph) NE 12 E 21
Vent Rate (kt-ft) 50200 83160
Dispersion 5 5
DSI 5 3 6
LAL 1 1 1
Haines Index 4 3 3
RH Recovery Excellent
Remarks...None.
$$
PRZ016-180745-
North Coastal Plains-
340 AM AST Fri Jan 17 2025
Today Tonight Sat
Cloud Cover Mclear Mcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 0 70 70
Temp (24h trend) 85 (+3) 70 (-2) 85
RH % (24h trend) 63 (-9) 100 (+12) 69
Wind 20ft/early(mph) E 17 E 16 E 23
Wind 20ft/late(mph) E 17 E 16 E 23
Mixing Hgt(ft-agl/msl)4470 4130
Transport Wnd (mph) E 16 E 23
Vent Rate (kt-ft) 62580 82600
Dispersion 5 5
DSI 6 6 6
LAL 1 1 1
Haines Index 4 3 3
RH Recovery Excellent
Remarks...None.
$$
PRZ017-180745-
Northern Hills-
340 AM AST Fri Jan 17 2025
Today Tonight Sat
Cloud Cover Mclear Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 10 60 50
Temp (24h trend) 83 (+4) 69 (0) 84
RH % (24h trend) 65 (-10) 99 (+10) 70
Wind 20ft/early(mph) NE 14 E 13 E 20
Wind 20ft/late(mph) NE 14 E 13 E 20
Mixing Hgt(ft-agl/msl)4560 4500
Transport Wnd (mph) E 15 E 20
Vent Rate (kt-ft) 59280 76500
Dispersion 5 5
DSI 5 5 6
LAL 1 1 1
Haines Index 4 3 3
RH Recovery Excellent
Remarks...None.
$$
PRZ018-180745-
West Coast-
340 AM AST Fri Jan 17 2025
Today Tonight Sat
Cloud Cover Mclear Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 30 30 50
Temp (24h trend) 88 (+3) 68 (-1) 88
RH % (24h trend) 53 (-11) 99 (+12) 57
Wind 20ft/early(mph) E 17 NE 19 E 19
Wind 20ft/late(mph) E 17 NE 19 E 19
Mixing Hgt(ft-agl/msl)4250 4330
Transport Wnd (mph) E 10 E 20
Vent Rate (kt-ft) 38250 73610
Dispersion 5 5
DSI 5 4 6
LAL 1 1 1
Haines Index 4 3 3
RH Recovery Excellent
Remarks...None.
$$
PRZ019-180745-
Eastern Interior-
340 AM AST Fri Jan 17 2025
Today Tonight Sat
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 30 70 70
Temp (24h trend) 84 (+5) 68 (-2) 83
RH % (24h trend) 63 (-12) 100 (+11) 70
Wind 20ft/early(mph) NE 13 NE 14 E 18
Wind 20ft/late(mph) NE 13 NE 14 E 18
Mixing Hgt(ft-agl/msl)4460 4160
Transport Wnd (mph) NE 13 E 21
Vent Rate (kt-ft) 49060 74880
Dispersion 5 5
DSI 5 4 5
LAL 1 1 1
Haines Index 4 3 3
RH Recovery Excellent
Remarks...None.
$$
PRZ022-180745-
Luquillo Mountain Range-
340 AM AST Fri Jan 17 2025
Today Tonight Sat
Cloud Cover Pcldy Mcldy Mcldy
Precip Type Showers Showers Showers
Chance Precip (%) 40 70 70
Temp (24h trend) 79 (+3) 66 (-3) 79
RH % (24h trend) 70 (-8) 100 (+10) 76
Wind 20ft/early(mph) NE 11 E 10 E 16 G18
Wind 20ft/late(mph) NE 11 E 10 E 16 G18
Mixing Hgt(ft-agl/msl)4310 3730
Transport Wnd (mph) NE 14 E 24
Vent Rate (kt-ft) 51720 78330
Dispersion 5 5
DSI 5 5 6
LAL 1 1 1
Haines Index 4 3 3
RH Recovery Excellent
Remarks...None.
$$
PRZ023-180745-
Central Mountain Range-
340 AM AST Fri Jan 17 2025
Today Tonight Sat
Cloud Cover Mclear Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 20 40 50
Temp (24h trend) 82 (+5) 65 (-1) 82
RH % (24h trend) 60 (-14) 99 (+10) 65
Wind 20ft/early(mph) NE 13 NE 13 E 18
Wind 20ft/late(mph) NE 13 NE 13 E 18
Mixing Hgt(ft-agl/msl)5230 5120
Transport Wnd (mph) E 12 E 16
Vent Rate (kt-ft) 52300 71680
Dispersion 5 5
DSI 5 3 5
LAL 1 1 1
Haines Index 4 3 3
RH Recovery Excellent
Remarks...None.
$$
PRZ024-180745-
Cayey Mountain Range-
340 AM AST Fri Jan 17 2025
Today Tonight Sat
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 20 70 60
Temp (24h trend) 80 (+4) 66 (-1) 78
RH % (24h trend) 65 (-12) 100 (+8) 73
Wind 20ft/early(mph) NE 12 NE 10 E 16
Wind 20ft/late(mph) NE 12 NE 10 E 16
Mixing Hgt(ft-agl/msl)4360 3950
Transport Wnd (mph) NE 14 E 23
Vent Rate (kt-ft) 52320 79000
Dispersion 5 5
DSI 5 4 5
LAL 1 1 1
Haines Index 3 3 3
RH Recovery Excellent
Remarks...None.
$$
PRZ025-180745-
Vieques-
340 AM AST Fri Jan 17 2025
Today Tonight Sat
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 40 60 60
Temp (24h trend) 85 (+3) 71 (-2) 85
RH % (24h trend) 62 (-8) 99 (+11) 64
Wind 20ft/early(mph) NE 16 G20 E 18 G22 E 20 G25
Wind 20ft/late(mph) NE 16 G20 E 18 G22 E 20 G25
Mixing Hgt(ft-agl/msl)4290 3460
Transport Wnd (mph) NE 18 E 29
Vent Rate (kt-ft) 68640 86500
Dispersion 5 5
DSI 6 6 6
LAL 1 1 1
Haines Index 3 3 3
RH Recovery Excellent
Remarks...None.
$$
PRZ026-180745-
Culebra-
340 AM AST Fri Jan 17 2025
Today Tonight Sat
Cloud Cover Mclear Mcldy Mcldy
Precip Type Showers Showers Showers
Chance Precip (%) 40 60 70
Temp (24h trend) 85 (+3) 72 (-3) 85
RH % (24h trend) 63 (-9) 98 (+13) 64
Wind 20ft/early(mph) NE 16 G19 E 18 G22 E 21 G26
Wind 20ft/late(mph) NE 16 G19 E 18 G22 E 21 G26
Mixing Hgt(ft-agl/msl)4370 3470
Transport Wnd (mph) NE 17 E 30
Vent Rate (kt-ft) 65550 90220
Dispersion 5 5
DSI 6 6 6
LAL 1 1 1
Haines Index 3 3 3
RH Recovery Excellent
Remarks...None.
$$
PRZ027-180745-
Southwest Coastal Plains and Mona Island-
340 AM AST Fri Jan 17 2025
Today Tonight Sat
Cloud Cover Mclear Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 10 30 30
Temp (24h trend) 90 (+3) 69 (-1) 90
RH % (24h trend) 39 (-12) 92 (+10) 47
Wind 20ft/early(mph) E 17 G19 E 19 G22 E 25 G32
Wind 20ft/late(mph) E 17 G19 E 19 G22 E 25 G32
Mixing Hgt(ft-agl/msl)4930 5010
Transport Wnd (mph) E 7 E 21
Vent Rate (kt-ft) 29580 90180
Dispersion 5 5
DSI 5 3 6
LAL 1 1 1
Haines Index 4 3 3
RH Recovery Excellent
Remarks...None.
$$
VIZ001-180745-
Saint Thomas and Saint John-
340 AM AST Fri Jan 17 2025
Today Tonight Sat
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 40 60 60
Temp (24h trend) 85 (+4) 72 (-2) 85
RH % (24h trend) 61 (-10) 98 (+13) 62
Wind 20ft/early(mph) NE 17 G21 E 19 G23 E 23 G27
Wind 20ft/late(mph) NE 17 G21 E 19 G23 E 23 G27
Mixing Hgt(ft-agl/msl)4160 3580
Transport Wnd (mph) NE 18 E 31
Vent Rate (kt-ft) 66560 96660
Dispersion 5 5
DSI 6 6 6
LAL 1 1 1
Haines Index 3 3 3
RH Recovery Excellent
Remarks...None.
$$
VIZ002-180745-
St Croix-
340 AM AST Fri Jan 17 2025
Today Tonight Sat
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 30 40 20
Temp (24h trend) 85 (+2) 73 (-1) 85
RH % (24h trend) 65 (-5) 94 (+6) 65
Wind 20ft/early(mph) E 17 G20 E 16 G18 E 21 G25
Wind 20ft/late(mph) E 17 G20 E 16 G18 E 21 G25
Mixing Hgt(ft-agl/msl)3960 3340
Transport Wnd (mph) NE 21 E 28
Vent Rate (kt-ft) 71280 80160
Dispersion 5 5
DSI 6 6 6
LAL 1 1 1
Haines Index 3 3 3
RH Recovery Excellent
Remarks...None.
$$
$$