Routine Fire Wx Fcst (With/Without 6-10 Day Outlook) Issued by NWS San Juan, PR
000
FNCA52 TJSJ 250758
FWFSJU
Fire Weather Planning Forecast for Puerto Rico
National Weather Service San Juan PR
358 AM AST Thu Apr 25 2024
.DISCUSSION...
Unstable weather conditions are expected to continue due to the
presence of a surface trough that will continue to maintain RH
values at 50% or greater. Light winds from the east at 5 to 10
mph will prevail through the end of the workweek. Shower activity
and isolated thunderstorms are possible, and some of this
activity reaching the southern and southwestern portions of
Puerto Rico. Taking into account the mentioned factors, the risk
of fire danger will remain low for today.
PRZ014-260800-
Southeast Coastal Plains-
358 AM AST Thu Apr 25 2024
Today Tonight Fri
Cloud Cover Pcldy Mclear Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 40 10 20
Temp (24h trend) 88 (0) 70 (-4) 88
RH % (24h trend) 55 (-5) 97 (+9) 47
Wind 20ft/early(mph) SE 12 G17 E 10 E 14 G19
Wind 20ft/late(mph) SE 12 G17 E 10 E 14 G19
Mixing Hgt(ft-agl/msl)4590 4320
Transport Wnd (mph) E 13 E 12
Vent Rate (kt-ft) 50490 43200
Dispersion 5 5
DSI 5 3 5
LAL 2 1 1
Haines Index 3 3 4
RH Recovery Excellent
Remarks...None.
$$
PRZ015-260800-
Southern Hills-
358 AM AST Thu Apr 25 2024
Today Tonight Fri
Cloud Cover Pcldy Mclear Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 50 10 40
Temp (24h trend) 85 (+2) 68 (-4) 85
RH % (24h trend) 63 (-9) 99 (+7) 60
Wind 20ft/early(mph) SE 10 E 9 E 11
Wind 20ft/late(mph) SE 10 E 9 E 11
Mixing Hgt(ft-agl/msl)5300 4460
Transport Wnd (mph) SE 12 E 10
Vent Rate (kt-ft) 53000 40140
Dispersion 5 5
DSI 5 2 5
LAL 2 1 2
Haines Index 3 3 4
RH Recovery Excellent
Remarks...None.
$$
PRZ016-260800-
North Coastal Plains-
358 AM AST Thu Apr 25 2024
Today Tonight Fri
Cloud Cover Pcldy Mclear Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 70 10 60
Temp (24h trend) 86 (0) 70 (-4) 87
RH % (24h trend) 69 (-5) 100 (+3) 65
Wind 20ft/early(mph) E 14 G17 E 10 E 12
Wind 20ft/late(mph) E 14 G17 E 10 E 12
Mixing Hgt(ft-agl/msl)4800 4120
Transport Wnd (mph) SE 12 E 12
Vent Rate (kt-ft) 48000 41200
Dispersion 5 5
DSI 6 4 6
LAL 3 1 3
Haines Index 3 3 4
RH Recovery Excellent
Remarks...None.
$$
PRZ017-260800-
Northern Hills-
358 AM AST Thu Apr 25 2024
Today Tonight Fri
Cloud Cover Pcldy Mclear Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 70 10 70
Temp (24h trend) 85 (+1) 67 (-4) 85
RH % (24h trend) 72 (-5) 100 (+1) 68
Wind 20ft/early(mph) E 12 E 9 E 11
Wind 20ft/late(mph) E 12 E 9 E 11
Mixing Hgt(ft-agl/msl)5520 4340
Transport Wnd (mph) SE 8 E 9
Vent Rate (kt-ft) 38640 34720
Dispersion 5 5
DSI 5 2 6
LAL 3 1 3
Haines Index 3 3 4
RH Recovery Excellent
Remarks...None.
$$
PRZ018-260800-
West Coast-
358 AM AST Thu Apr 25 2024
Today Tonight Fri
Cloud Cover Pcldy Mclear Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 50 10 50
Temp (24h trend) 86 (-1) 68 (-4) 88
RH % (24h trend) 65 (-6) 100 (+2) 61
Wind 20ft/early(mph) E 12 E 9 E 11
Wind 20ft/late(mph) E 12 E 9 E 11
Mixing Hgt(ft-agl/msl)4800 4370
Transport Wnd (mph) SE 10 SE 7
Vent Rate (kt-ft) 43200 26220
Dispersion 5 5
DSI 6 3 5
LAL 3 1 3
Haines Index 3 3 3
RH Recovery Excellent
Remarks...None.
$$
PRZ019-260800-
Eastern Interior-
358 AM AST Thu Apr 25 2024
Today Tonight Fri
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 60 30 50
Temp (24h trend) 86 (+1) 68 (-5) 87
RH % (24h trend) 67 (-3) 100 (+4) 62
Wind 20ft/early(mph) SE 13 E 11 E 10
Wind 20ft/late(mph) SE 13 E 11 E 10
Mixing Hgt(ft-agl/msl)5530 4270
Transport Wnd (mph) SE 13 E 13
Vent Rate (kt-ft) 60830 46970
Dispersion 5 5
DSI 5 3 5
LAL 3 1 3
Haines Index 3 3 4
RH Recovery Excellent
Remarks...None.
$$
PRZ022-260800-
Luquillo Mountain Range-
358 AM AST Thu Apr 25 2024
Today Tonight Fri
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 50 60 60
Temp (24h trend) 82 (+1) 68 (-4) 82
RH % (24h trend) 72 (-3) 98 (+2) 67
Wind 20ft/early(mph) SE 11 E 9 E 10
Wind 20ft/late(mph) SE 11 E 9 E 10
Mixing Hgt(ft-agl/msl)3830 4270
Transport Wnd (mph) SE 14 E 14
Vent Rate (kt-ft) 45960 51240
Dispersion 5 5
DSI 6 4 6
LAL 3 1 2
Haines Index 3 3 4
RH Recovery Excellent
Remarks...None.
$$
PRZ023-260800-
Central Mountain Range-
358 AM AST Thu Apr 25 2024
Today Tonight Fri
Cloud Cover Pcldy Mclear Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 60 10 70
Temp (24h trend) 83 (+3) 66 (-4) 82
RH % (24h trend) 72 (-6) 100 (+3) 69
Wind 20ft/early(mph) SE 8 E 5 E 8
Wind 20ft/late(mph) SE 8 E 5 E 8
Mixing Hgt(ft-agl/msl)6080 4920
Transport Wnd (mph) SE 8 E 7
Vent Rate (kt-ft) 42560 29520
Dispersion 5 5
DSI 5 1 5
LAL 3 1 3
Haines Index 3 3 3
RH Recovery Excellent
Remarks...None.
$$
PRZ024-260800-
Cayey Mountain Range-
358 AM AST Thu Apr 25 2024
Today Tonight Fri
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 50 30 40
Temp (24h trend) 82 (+1) 67 (-4) 82
RH % (24h trend) 70 (-4) 100 (+1) 65
Wind 20ft/early(mph) SE 9 E 8 E 9
Wind 20ft/late(mph) SE 9 E 8 E 9
Mixing Hgt(ft-agl/msl)4760 4360
Transport Wnd (mph) E 13 E 14
Vent Rate (kt-ft) 52360 52320
Dispersion 5 5
DSI 6 3 6
LAL 2 1 1
Haines Index 3 3 4
RH Recovery Excellent
Remarks...None.
$$
PRZ025-260800-
Vieques-
358 AM AST Thu Apr 25 2024
Today Tonight Fri
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 50 50 30
Temp (24h trend) 87 (-1) 73 (-4) 88
RH % (24h trend) 63 (0) 88 (-1) 57
Wind 20ft/early(mph) E 13 G17 E 14 G19 E 11
Wind 20ft/late(mph) E 13 G17 E 14 G19 E 11
Mixing Hgt(ft-agl/msl)2980 3710
Transport Wnd (mph) E 14 E 14
Vent Rate (kt-ft) 35760 44520
Dispersion 5 5
DSI 6 6 6
LAL 1 1 1
Haines Index 3 3 4
RH Recovery Excellent
Remarks...None.
$$
PRZ026-260800-
Culebra-
358 AM AST Thu Apr 25 2024
Today Tonight Fri
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 50 40 20
Temp (24h trend) 88 (0) 75 (-3) 89
RH % (24h trend) 61 (-4) 87 (-3) 57
Wind 20ft/early(mph) E 14 G18 E 14 G19 E 11
Wind 20ft/late(mph) E 14 G18 E 14 G19 E 11
Mixing Hgt(ft-agl/msl)2800 3580
Transport Wnd (mph) E 16 E 15
Vent Rate (kt-ft) 39200 46540
Dispersion 5 5
DSI 6 6 6
LAL 1 1 1
Haines Index 3 4 3
RH Recovery Excellent
Remarks...None.
$$
PRZ027-260800-
Southwest Coastal Plains and Mona Island-
358 AM AST Thu Apr 25 2024
Today Tonight Fri
Cloud Cover Pcldy Mclear Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 30 10 30
Temp (24h trend) 90 (+1) 70 (-4) 91
RH % (24h trend) 52 (-4) 99 (+8) 46
Wind 20ft/early(mph) SE 16 G21 E 13 E 17 G22
Wind 20ft/late(mph) SE 16 G21 E 13 E 17 G22
Mixing Hgt(ft-agl/msl)5090 4480
Transport Wnd (mph) SE 15 E 12
Vent Rate (kt-ft) 66170 44800
Dispersion 5 5
DSI 6 4 5
LAL 1 1 1
Haines Index 3 3 3
RH Recovery Excellent
Remarks...None.
$$
VIZ001-260800-
Saint Thomas and Saint John-
358 AM AST Thu Apr 25 2024
Today Tonight Fri
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 60 30 20
Temp (24h trend) 87 (+1) 75 (0) 87
RH % (24h trend) 61 (-6) 87 (-8) 59
Wind 20ft/early(mph) E 16 G19 E 14 G19 E 12
Wind 20ft/late(mph) E 16 G19 E 14 G19 E 12
Mixing Hgt(ft-agl/msl)3180 3560
Transport Wnd (mph) E 17 E 16
Vent Rate (kt-ft) 47700 49840
Dispersion 5 5
DSI 6 6 6
LAL 1 1 1
Haines Index 3 4 3
RH Recovery Excellent
Remarks...None.
$$
VIZ002-260800-
St Croix-
358 AM AST Thu Apr 25 2024
Today Tonight Fri
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 50 30 20
Temp (24h trend) 85 (-1) 73 (-1) 85
RH % (24h trend) 66 (-3) 93 (-4) 63
Wind 20ft/early(mph) E 14 G18 E 14 G18 E 11
Wind 20ft/late(mph) E 14 G18 E 14 G18 E 11
Mixing Hgt(ft-agl/msl)3800 4240
Transport Wnd (mph) E 18 E 15
Vent Rate (kt-ft) 60800 55120
Dispersion 5 5
DSI 6 6 6
LAL 1 1 1
Haines Index 3 4 4
RH Recovery Excellent
Remarks...None.
$$
$$