Routine Fire Wx Fcst (With/Without 6-10 Day Outlook) Issued by NWS San Juan, PR
000
FNCA52 TJSJ 190807
FWFSJU
Fire Weather Planning Forecast for Puerto Rico
National Weather Service San Juan PR
407 AM AST Fri Apr 19 2024
.DISCUSSION...
A wet pattern is expected to continue across the region. Showers
and cloudiness will again reach the southern plains of Puerto
Rico, hence the risk of fire weather will be slow for today.
PRZ014-200815-
Southeast Coastal Plains-
407 AM AST Fri Apr 19 2024
Today Tonight Sat
Cloud Cover Pcldy Mclear Pcldy
Precip Type Showers Showers Tstms
Chance Precip (%) 50 50 50
Temp (24h trend) 88 (+1) 71 (-2) 87
RH % (24h trend) 51 (-4) 87 (+2) 49
Wind 20ft/early(mph) E 8 NE 8 E 13 G18
Wind 20ft/late(mph) E 8 NE 8 E 13 G18
Mixing Hgt(ft-agl/msl)4860 5430
Transport Wnd (mph) NE 1 NE 6
Vent Rate (kt-ft) 4860 27150
Dispersion 4 5
DSI 5 2 6
LAL 2 1 2
Haines Index 3 3 3
RH Recovery Excellent
Remarks...None.
$$
PRZ015-200815-
Southern Hills-
407 AM AST Fri Apr 19 2024
Today Tonight Sat
Cloud Cover Pcldy Mclear Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 90 50 80
Temp (24h trend) 85 (+2) 67 (-3) 84
RH % (24h trend) 58 (-8) 96 (+4) 60
Wind 20ft/early(mph) E 9 NE 9 NE 12
Wind 20ft/late(mph) E 9 NE 9 NE 12
Mixing Hgt(ft-agl/msl)5490 5840
Transport Wnd (mph) N 1 NE 5
Vent Rate (kt-ft) 5490 23360
Dispersion 4 5
DSI 5 2 5
LAL 2 1 2
Haines Index 3 3 3
RH Recovery Excellent
Remarks...None.
$$
PRZ016-200815-
North Coastal Plains-
407 AM AST Fri Apr 19 2024
Today Tonight Sat
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 40 40 40
Temp (24h trend) 85 (+1) 72 (-1) 84
RH % (24h trend) 68 (-4) 95 (+3) 67
Wind 20ft/early(mph) NE 12 NE 12 NE 17
Wind 20ft/late(mph) NE 12 NE 12 NE 17
Mixing Hgt(ft-agl/msl)4430 4830
Transport Wnd (mph) NE 5 NE 10
Vent Rate (kt-ft) 17720 43470
Dispersion 5 5
DSI 5 5 6
LAL 1 1 1
Haines Index 3 3 3
RH Recovery Excellent
Remarks...None.
$$
PRZ017-200815-
Northern Hills-
407 AM AST Fri Apr 19 2024
Today Tonight Sat
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Tstms
Chance Precip (%) 50 40 60
Temp (24h trend) 84 (+2) 69 (-1) 83
RH % (24h trend) 70 (-5) 96 (0) 70
Wind 20ft/early(mph) NE 12 NE 12 NE 14
Wind 20ft/late(mph) NE 12 NE 12 NE 14
Mixing Hgt(ft-agl/msl)5250 5400
Transport Wnd (mph) NE 3 NE 8
Vent Rate (kt-ft) 15750 37800
Dispersion 5 5
DSI 5 4 6
LAL 2 1 2
Haines Index 3 4 3
RH Recovery Excellent
Remarks...None.
$$
PRZ018-200815-
West Coast-
407 AM AST Fri Apr 19 2024
Today Tonight Sat
Cloud Cover Pcldy Mclear Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 60 30 80
Temp (24h trend) 88 (+1) 70 (-2) 86
RH % (24h trend) 59 (-5) 93 (+3) 59
Wind 20ft/early(mph) NW 14 NE 14 E 18
Wind 20ft/late(mph) NW 14 NE 14 E 18
Mixing Hgt(ft-agl/msl)4900 5390
Transport Wnd (mph) N 5 NE 6
Vent Rate (kt-ft) 19600 26950
Dispersion 5 5
DSI 5 5 6
LAL 2 1 2
Haines Index 3 4 3
RH Recovery Excellent
Remarks...None.
$$
PRZ019-200815-
Eastern Interior-
407 AM AST Fri Apr 19 2024
Today Tonight Sat
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Tstms Showers Showers
Chance Precip (%) 70 50 40
Temp (24h trend) 85 (+2) 68 (-3) 85
RH % (24h trend) 64 (-5) 95 (0) 62
Wind 20ft/early(mph) NE 9 N 9 NE 12
Wind 20ft/late(mph) NE 9 N 9 NE 12
Mixing Hgt(ft-agl/msl)5110 5780
Transport Wnd (mph) N 3 NE 7
Vent Rate (kt-ft) 15330 34680
Dispersion 5 5
DSI 5 3 5
LAL 2 1 2
Haines Index 3 3 3
RH Recovery Excellent
Remarks...None.
$$
PRZ022-200815-
Luquillo Mountain Range-
407 AM AST Fri Apr 19 2024
Today Tonight Sat
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 60 50 40
Temp (24h trend) 81 (+1) 67 (-2) 82
RH % (24h trend) 68 (-3) 99 (+2) 66
Wind 20ft/early(mph) NE 6 N 6 NE 9
Wind 20ft/late(mph) NE 6 N 6 NE 9
Mixing Hgt(ft-agl/msl)4580 4960
Transport Wnd (mph) N 3 NE 7
Vent Rate (kt-ft) 13740 29760
Dispersion 4 5
DSI 5 4 6
LAL 1 1 1
Haines Index 3 3 3
RH Recovery Excellent
Remarks...None.
$$
PRZ023-200815-
Central Mountain Range-
407 AM AST Fri Apr 19 2024
Today Tonight Sat
Cloud Cover Pcldy Mclear Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 80 50 80
Temp (24h trend) 83 (+3) 65 (-3) 81
RH % (24h trend) 66 (-7) 98 (+2) 69
Wind 20ft/early(mph) NE 13 NE 13 NE 16
Wind 20ft/late(mph) NE 13 NE 13 NE 16
Mixing Hgt(ft-agl/msl)5920 6220
Transport Wnd (mph) N 1 NE 3
Vent Rate (kt-ft) 5920 18660
Dispersion 5 5
DSI 5 2 5
LAL 2 1 2
Haines Index 3 3 3
RH Recovery Excellent
Remarks...None.
$$
PRZ024-200815-
Cayey Mountain Range-
407 AM AST Fri Apr 19 2024
Today Tonight Sat
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Tstms Showers Showers
Chance Precip (%) 80 50 30
Temp (24h trend) 83 (+2) 67 (-1) 81
RH % (24h trend) 64 (-5) 99 (0) 65
Wind 20ft/early(mph) NE 6 N 5 NE 11
Wind 20ft/late(mph) NE 6 N 5 NE 11
Mixing Hgt(ft-agl/msl)5160 5540
Transport Wnd (mph) N 2 NE 7
Vent Rate (kt-ft) 10320 33240
Dispersion 4 5
DSI 5 2 6
LAL 2 1 1
Haines Index 3 3 3
RH Recovery Excellent
Remarks...None.
$$
PRZ025-200815-
Vieques-
407 AM AST Fri Apr 19 2024
Today Tonight Sat
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 60 50 40
Temp (24h trend) 88 (0) 73 (-1) 89
RH % (24h trend) 57 (-1) 90 (+1) 54
Wind 20ft/early(mph) NE 10 NE 11 NE 12
Wind 20ft/late(mph) NE 10 NE 11 NE 12
Mixing Hgt(ft-agl/msl)2920 3430
Transport Wnd (mph) N 8 NE 13
Vent Rate (kt-ft) 20440 37730
Dispersion 5 5
DSI 6 6 6
LAL 1 1 1
Haines Index 3 3 3
RH Recovery Excellent
Remarks...None.
$$
PRZ026-200815-
Culebra-
407 AM AST Fri Apr 19 2024
Today Tonight Sat
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 60 50 40
Temp (24h trend) 89 (+2) 74 (-1) 90
RH % (24h trend) 56 (-6) 91 (+3) 54
Wind 20ft/early(mph) NE 9 NE 11 NE 11
Wind 20ft/late(mph) NE 9 NE 11 NE 11
Mixing Hgt(ft-agl/msl)2920 3400
Transport Wnd (mph) NE 7 NE 12
Vent Rate (kt-ft) 17520 34000
Dispersion 5 5
DSI 6 6 6
LAL 1 1 1
Haines Index 3 4 4
RH Recovery Excellent
Remarks...None.
$$
PRZ027-200815-
Southwest Coastal Plains and Mona Island-
407 AM AST Fri Apr 19 2024
Today Tonight Sat
Cloud Cover Pcldy Mclear Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 70 40 70
Temp (24h trend) 91 (+2) 71 (-2) 90
RH % (24h trend) 47 (-4) 86 (+2) 45
Wind 20ft/early(mph) S 16 G18 NE 17 G20 SE 16 G18
Wind 20ft/late(mph) S 16 G18 NE 17 G20 SE 16 G18
Mixing Hgt(ft-agl/msl)5200 5570
Transport Wnd (mph) SW 3 E 2
Vent Rate (kt-ft) 15600 11140
Dispersion 5 5
DSI 5 3 5
LAL 2 1 2
Haines Index 3 3 3
RH Recovery Excellent
Remarks...None.
$$
VIZ001-200815-
Saint Thomas and Saint John-
407 AM AST Fri Apr 19 2024
Today Tonight Sat
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 60 50 40
Temp (24h trend) 87 (+1) 75 (-1) 87
RH % (24h trend) 57 (-5) 88 (+4) 56
Wind 20ft/early(mph) NE 8 NE 11 NE 11
Wind 20ft/late(mph) NE 8 NE 11 NE 11
Mixing Hgt(ft-agl/msl)2970 3190
Transport Wnd (mph) NE 6 NE 13
Vent Rate (kt-ft) 14850 35090
Dispersion 5 5
DSI 6 6 6
LAL 1 1 1
Haines Index 3 3 3
RH Recovery Excellent
Remarks...None.
$$
VIZ002-200815-
St Croix-
407 AM AST Fri Apr 19 2024
Today Tonight Sat
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 60 50 30
Temp (24h trend) 86 (+1) 72 (-1) 86
RH % (24h trend) 62 (-5) 95 (+1) 63
Wind 20ft/early(mph) NE 8 NE 9 NE 11
Wind 20ft/late(mph) NE 8 NE 9 NE 11
Mixing Hgt(ft-agl/msl)4290 4220
Transport Wnd (mph) NE 5 NE 12
Vent Rate (kt-ft) 17160 42200
Dispersion 5 5
DSI 6 6 6
LAL 1 1 1
Haines Index 3 3 3
RH Recovery Excellent
Remarks...None.
$$
$$