Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
617
FNCA52 TJSJ 180931
FWFSJU
Fire Weather Planning Forecast for Puerto Rico
National Weather Service San Juan PR
531 AM AST Wed Sep 18 2024
.DISCUSSION...
A patch of moisture will bring showers across the interior,
western Puerto Rico, and U.S. Virgin Islands this afternoon. Most
RH values are expected to remain above critical levels. East-
northeast winds will dominate today, gradually becoming variable
and weakening from Thursday throughout the weekend. As a result,
the fire danger risk should remain low for this period.
PRZ014-190945-
Southeast Coastal Plains-
531 AM AST Wed Sep 18 2024
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Precip Type Showers Showers Tstms
Chance Precip (%) 30 20 60
Temp (24h trend) 91 (-1) 77 (-1) 93
RH % (24h trend) 62 (+6) 92 (0) 56
Wind 20ft/early(mph) E 14 G20 NE 10 SE 10
Wind 20ft/late(mph) E 14 G20 NE 10 SE 10
Mixing Hgt(ft-agl/msl)4560 4400
Transport Wnd (mph) E 12 E 6
Vent Rate (kt-ft) 45600 22000
Dispersion 5 5
DSI 5 3 5
LAL 1 1 2
Haines Index 3 3 4
RH Recovery Excellent
Remarks...None.
$$
PRZ015-190945-
Southern Hills-
531 AM AST Wed Sep 18 2024
Today Tonight Thu
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 40 20 70
Temp (24h trend) 87 (0) 73 (-2) 89
RH % (24h trend) 67 (+7) 98 (+4) 60
Wind 20ft/early(mph) E 10 NE 9 SE 6
Wind 20ft/late(mph) E 10 NE 9 SE 6
Mixing Hgt(ft-agl/msl)5140 5590
Transport Wnd (mph) E 10 E 5
Vent Rate (kt-ft) 46260 22360
Dispersion 5 5
DSI 5 2 5
LAL 2 1 2
Haines Index 3 3 3
RH Recovery Excellent
Remarks...None.
$$
PRZ016-190945-
North Coastal Plains-
531 AM AST Wed Sep 18 2024
Today Tonight Thu
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 30 20 40
Temp (24h trend) 89 (-2) 78 (0) 91
RH % (24h trend) 71 (+5) 92 (-4) 66
Wind 20ft/early(mph) NE 17 E 12 NE 9
Wind 20ft/late(mph) NE 17 E 12 NE 9
Mixing Hgt(ft-agl/msl)4270 4290
Transport Wnd (mph) E 13 NE 7
Vent Rate (kt-ft) 46970 25740
Dispersion 5 5
DSI 6 4 5
LAL 1 1 1
Haines Index 3 4 3
RH Recovery Excellent
Remarks...None.
$$
PRZ017-190945-
Northern Hills-
531 AM AST Wed Sep 18 2024
Today Tonight Thu
Cloud Cover Pcldy Mclear Pcldy
Precip Type Showers Showers Tstms
Chance Precip (%) 50 20 60
Temp (24h trend) 86 (-2) 75 (0) 89
RH % (24h trend) 74 (+8) 97 (-2) 66
Wind 20ft/early(mph) NE 13 E 10 NE 8
Wind 20ft/late(mph) NE 13 E 10 NE 8
Mixing Hgt(ft-agl/msl)4980 5520
Transport Wnd (mph) E 10 E 5
Vent Rate (kt-ft) 44820 22080
Dispersion 5 5
DSI 5 3 5
LAL 2 1 2
Haines Index 3 3 3
RH Recovery Excellent
Remarks...None.
$$
PRZ018-190945-
West Coast-
531 AM AST Wed Sep 18 2024
Today Tonight Thu
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 60 40 70
Temp (24h trend) 90 (-1) 76 (0) 92
RH % (24h trend) 67 (+6) 94 (+1) 60
Wind 20ft/early(mph) E 10 NE 13 W 8
Wind 20ft/late(mph) E 10 NE 13 W 8
Mixing Hgt(ft-agl/msl)4390 4470
Transport Wnd (mph) SE 7 SE 3
Vent Rate (kt-ft) 26340 13410
Dispersion 5 5
DSI 5 3 5
LAL 2 1 2
Haines Index 3 3 4
RH Recovery Excellent
Remarks...None.
$$
PRZ019-190945-
Eastern Interior-
531 AM AST Wed Sep 18 2024
Today Tonight Thu
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Tstms
Chance Precip (%) 30 20 50
Temp (24h trend) 89 (+1) 75 (-1) 89
RH % (24h trend) 69 (+6) 97 (+1) 65
Wind 20ft/early(mph) E 10 NE 9 NE 8
Wind 20ft/late(mph) E 10 NE 9 NE 8
Mixing Hgt(ft-agl/msl)5670 5920
Transport Wnd (mph) E 9 E 5
Vent Rate (kt-ft) 45360 23680
Dispersion 5 5
DSI 5 2 5
LAL 1 1 2
Haines Index 3 4 3
RH Recovery Excellent
Remarks...None.
$$
PRZ022-190945-
Luquillo Mountain Range-
531 AM AST Wed Sep 18 2024
Today Tonight Thu
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Tstms
Chance Precip (%) 40 30 50
Temp (24h trend) 85 (+1) 71 (-3) 85
RH % (24h trend) 72 (+5) 100 (+1) 70
Wind 20ft/early(mph) E 9 NE 8 NE 5
Wind 20ft/late(mph) E 9 NE 8 NE 5
Mixing Hgt(ft-agl/msl)4260 4420
Transport Wnd (mph) E 10 E 3
Vent Rate (kt-ft) 38340 13260
Dispersion 5 5
DSI 5 2 4
LAL 1 1 2
Haines Index 3 4 3
RH Recovery Excellent
Remarks...None.
$$
PRZ023-190945-
Central Mountain Range-
531 AM AST Wed Sep 18 2024
Today Tonight Thu
Cloud Cover Pcldy Mclear Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 70 30 70
Temp (24h trend) 84 (-1) 72 (-1) 87
RH % (24h trend) 73 (+9) 98 (+2) 65
Wind 20ft/early(mph) E 8 NE 9 NE 6
Wind 20ft/late(mph) E 8 NE 9 NE 6
Mixing Hgt(ft-agl/msl)5660 6940
Transport Wnd (mph) E 8 NE 3
Vent Rate (kt-ft) 39620 20820
Dispersion 5 5
DSI 5 2 5
LAL 2 1 2
Haines Index 3 3 3
RH Recovery Excellent
Remarks...None.
$$
PRZ024-190945-
Cayey Mountain Range-
531 AM AST Wed Sep 18 2024
Today Tonight Thu
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Tstms
Chance Precip (%) 20 20 50
Temp (24h trend) 84 (-1) 71 (-2) 85
RH % (24h trend) 71 (+9) 100 (+1) 65
Wind 20ft/early(mph) E 9 NE 8 E 6
Wind 20ft/late(mph) E 9 NE 8 E 6
Mixing Hgt(ft-agl/msl)4920 4860
Transport Wnd (mph) E 10 E 5
Vent Rate (kt-ft) 44280 19440
Dispersion 5 5
DSI 5 2 5
LAL 1 1 2
Haines Index 3 3 3
RH Recovery Excellent
Remarks...None.
$$
PRZ025-190945-
Vieques-
531 AM AST Wed Sep 18 2024
Today Tonight Thu
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 30 30 40
Temp (24h trend) 90 (-1) 78 (-2) 89
RH % (24h trend) 62 (+2) 89 (+2) 63
Wind 20ft/early(mph) E 10 NE 11 Lgt/Var
Wind 20ft/late(mph) E 10 NE 11 Lgt/Var
Mixing Hgt(ft-agl/msl)2830 2430
Transport Wnd (mph) E 10 E 6
Vent Rate (kt-ft) 25470 12150
Dispersion 5 4
DSI 6 5 6
LAL 1 1 2
Haines Index 3 3 4
RH Recovery Excellent
Remarks...None.
$$
PRZ026-190945-
Culebra-
531 AM AST Wed Sep 18 2024
Today Tonight Thu
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 50 30 40
Temp (24h trend) 94 (+3) 81 (-1) 91
RH % (24h trend) 56 (-6) 87 (0) 60
Wind 20ft/early(mph) E 10 NE 10 Lgt/Var
Wind 20ft/late(mph) E 10 NE 10 Lgt/Var
Mixing Hgt(ft-agl/msl)2710 2430
Transport Wnd (mph) E 10 E 3
Vent Rate (kt-ft) 24390 7290
Dispersion 5 3
DSI 6 5 5
LAL 1 1 2
Haines Index 3 4 3
RH Recovery Excellent
Remarks...None.
$$
PRZ027-190945-
Southwest Coastal Plains and Mona Island-
531 AM AST Wed Sep 18 2024
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 40 40 60
Temp (24h trend) 91 (-1) 77 (-1) 93
RH % (24h trend) 63 (+5) 90 (+2) 56
Wind 20ft/early(mph) SE 14 G19 E 10 SE 10
Wind 20ft/late(mph) SE 14 G19 E 10 SE 10
Mixing Hgt(ft-agl/msl)4660 4790
Transport Wnd (mph) E 10 SE 7
Vent Rate (kt-ft) 41940 28740
Dispersion 5 5
DSI 5 3 5
LAL 2 1 2
Haines Index 3 3 4
RH Recovery Excellent
Remarks...None.
$$
VIZ001-190945-
Saint Thomas and Saint John-
531 AM AST Wed Sep 18 2024
Today Tonight Thu
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Tstms
Chance Precip (%) 50 30 50
Temp (24h trend) 90 (0) 80 (0) 88
RH % (24h trend) 61 (+1) 87 (-3) 65
Wind 20ft/early(mph) NE 9 NE 10 Lgt/Var
Wind 20ft/late(mph) NE 9 NE 10 Lgt/Var
Mixing Hgt(ft-agl/msl)2750 2470
Transport Wnd (mph) E 10 NE 1
Vent Rate (kt-ft) 24750 2470
Dispersion 5 2
DSI 6 5 3
LAL 1 1 2
Haines Index 3 4 3
RH Recovery Excellent
Remarks...None.
$$
VIZ002-190945-
St Croix-
531 AM AST Wed Sep 18 2024
Today Tonight Thu
Cloud Cover Mclear Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 20 30 50
Temp (24h trend) 90 (-1) 75 (-4) 89
RH % (24h trend) 67 (+5) 100 (+6) 67
Wind 20ft/early(mph) E 9 NE 9 E 5
Wind 20ft/late(mph) E 9 NE 9 E 5
Mixing Hgt(ft-agl/msl)4340 4030
Transport Wnd (mph) E 10 SE 6
Vent Rate (kt-ft) 39060 20150
Dispersion 5 5
DSI 6 5 6
LAL 1 1 2
Haines Index 3 3 3
RH Recovery Excellent
Remarks...None.
$$
$$