Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
925
FNCA52 TJSJ 260911
FWFSJU
Fire Weather Planning Forecast for Puerto Rico
National Weather Service San Juan PR
511 AM AST Sat Apr 26 2025
.DISCUSSION...
Afternoon showers and thunderstorms will develop today, particularly
across the interior of Puerto Rico. Some of these showers could move
over the southern coastal plains. Additionally, moisture levels will
remain above critical thresholds, with winds generally staying below
15 mph. Therefore, the chance of fire weather remains low today.
PRZ014-270915-
Southeast Coastal Plains-
511 AM AST Sat Apr 26 2025
Today Tonight Sun
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 50 40 50
Temp (24h trend) 89 (+2) 71 (-2) 88
RH % (24h trend) 60 (+11) 97 (+5) 60
Wind 20ft/early(mph) SE 10 E 8 SE 9
Wind 20ft/late(mph) SE 10 E 8 SE 9
Mixing Hgt(ft-agl/msl)4320 4290
Transport Wnd (mph) E 8 SE 10
Vent Rate (kt-ft) 30240 38610
Dispersion 5 5
DSI 5 2 6
RH Recovery Excellent
Remarks...None.
$$
PRZ015-270915-
Southern Hills-
511 AM AST Sat Apr 26 2025
Today Tonight Sun
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 40 30 50
Temp (24h trend) 85 (+3) 68 (-2) 84
RH % (24h trend) 65 (+3) 99 (+6) 67
Wind 20ft/early(mph) SE 9 E 5 SE 9
Wind 20ft/late(mph) SE 9 E 5 SE 9
Mixing Hgt(ft-agl/msl)5070 4950
Transport Wnd (mph) E 7 SE 9
Vent Rate (kt-ft) 30420 39600
Dispersion 5 5
DSI 5 2 6
RH Recovery Excellent
Remarks...None.
$$
PRZ016-270915-
North Coastal Plains-
511 AM AST Sat Apr 26 2025
Today Tonight Sun
Cloud Cover Mcldy Pcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 70 40 60
Temp (24h trend) 87 (+2) 70 (-2) 87
RH % (24h trend) 65 (-1) 100 (+2) 66
Wind 20ft/early(mph) E 11 E 10 E 11
Wind 20ft/late(mph) E 11 E 10 E 11
Mixing Hgt(ft-agl/msl)4030 4440
Transport Wnd (mph) E 8 SE 6
Vent Rate (kt-ft) 28210 22200
Dispersion 5 5
DSI 6 3 5
RH Recovery Excellent
Remarks...None.
$$
PRZ017-270915-
Northern Hills-
511 AM AST Sat Apr 26 2025
Today Tonight Sun
Cloud Cover Mcldy Pcldy Mcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 80 20 80
Temp (24h trend) 86 (+2) 68 (-2) 85
RH % (24h trend) 68 (+5) 100 (+1) 70
Wind 20ft/early(mph) E 10 E 9 E 6
Wind 20ft/late(mph) E 10 E 9 E 6
Mixing Hgt(ft-agl/msl)4970 4970
Transport Wnd (mph) E 7 SE 5
Vent Rate (kt-ft) 29820 19880
Dispersion 5 5
DSI 6 2 5
RH Recovery Excellent
Remarks...None.
$$
PRZ018-270915-
West Coast-
511 AM AST Sat Apr 26 2025
Today Tonight Sun
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 50 30 60
Temp (24h trend) 88 (+2) 69 (-1) 88
RH % (24h trend) 64 (+3) 99 (+5) 65
Wind 20ft/early(mph) E 9 E 11 E 9
Wind 20ft/late(mph) E 9 E 11 E 9
Mixing Hgt(ft-agl/msl)4550 4530
Transport Wnd (mph) SE 3 SE 7
Vent Rate (kt-ft) 13650 27180
Dispersion 5 5
DSI 5 3 5
RH Recovery Excellent
Remarks...None.
$$
PRZ019-270915-
Eastern Interior-
511 AM AST Sat Apr 26 2025
Today Tonight Sun
Cloud Cover Mcldy Pcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 60 60 60
Temp (24h trend) 86 (+2) 69 (-2) 85
RH % (24h trend) 66 (+1) 100 (+2) 67
Wind 20ft/early(mph) SE 8 E 6 E 10
Wind 20ft/late(mph) SE 8 E 6 E 10
Mixing Hgt(ft-agl/msl)4880 5080
Transport Wnd (mph) E 7 SE 9
Vent Rate (kt-ft) 29280 40640
Dispersion 5 5
DSI 5 2 6
RH Recovery Excellent
Remarks...None.
$$
PRZ022-270915-
Luquillo Mountain Range-
511 AM AST Sat Apr 26 2025
Today Tonight Sun
Cloud Cover Mcldy Mcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 70 60 70
Temp (24h trend) 81 (+3) 66 (-3) 80
RH % (24h trend) 73 (-2) 100 (+1) 74
Wind 20ft/early(mph) SE 6 SE 5 SE 9
Wind 20ft/late(mph) SE 6 SE 5 SE 9
Mixing Hgt(ft-agl/msl)4530 4290
Transport Wnd (mph) E 7 SE 10
Vent Rate (kt-ft) 27180 38610
Dispersion 5 5
DSI 5 3 6
RH Recovery Excellent
Remarks...None.
$$
PRZ023-270915-
Central Mountain Range-
511 AM AST Sat Apr 26 2025
Today Tonight Sun
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 70 20 70
Temp (24h trend) 83 (+3) 65 (-3) 82
RH % (24h trend) 68 (+3) 100 (+3) 71
Wind 20ft/early(mph) E 5 E 8 E 6
Wind 20ft/late(mph) E 5 E 8 E 6
Mixing Hgt(ft-agl/msl)5690 5440
Transport Wnd (mph) E 5 SE 6
Vent Rate (kt-ft) 22760 27200
Dispersion 5 5
DSI 5 1 5
RH Recovery Excellent
Remarks...None.
$$
PRZ024-270915-
Cayey Mountain Range-
511 AM AST Sat Apr 26 2025
Today Tonight Sun
Cloud Cover Pcldy Pcldy Mcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 50 60 60
Temp (24h trend) 81 (+1) 67 (-2) 81
RH % (24h trend) 72 (+3) 100 (0) 74
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)4790 4630
Transport Wnd (mph) E 8 SE 10
Vent Rate (kt-ft) 33530 41670
Dispersion 5 5
DSI 5 2 6
RH Recovery Excellent
Remarks...None.
$$
PRZ025-270915-
Vieques-
511 AM AST Sat Apr 26 2025
Today Tonight Sun
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 50 60 60
Temp (24h trend) 85 (0) 73 (-1) 86
RH % (24h trend) 63 (-3) 99 (+6) 63
Wind 20ft/early(mph) SE 6 E 10 E 10
Wind 20ft/late(mph) SE 6 E 10 E 10
Mixing Hgt(ft-agl/msl)2700 2800
Transport Wnd (mph) E 9 SE 15
Vent Rate (kt-ft) 21600 36400
Dispersion 5 5
DSI 6 5 6
RH Recovery Excellent
Remarks...None.
$$
PRZ026-270915-
Culebra-
511 AM AST Sat Apr 26 2025
Today Tonight Sun
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 50 60 60
Temp (24h trend) 87 (+2) 72 (-3) 87
RH % (24h trend) 64 (-6) 100 (+6) 63
Wind 20ft/early(mph) SE 6 E 10 E 11
Wind 20ft/late(mph) SE 6 E 10 E 11
Mixing Hgt(ft-agl/msl)2530 2880
Transport Wnd (mph) E 9 SE 15
Vent Rate (kt-ft) 20240 37440
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
PRZ027-270915-
Southwest Coastal Plains and Mona Island-
511 AM AST Sat Apr 26 2025
Today Tonight Sun
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Tstms
Chance Precip (%) 30 30 40
Temp (24h trend) 90 (+3) 71 (-2) 90
RH % (24h trend) 59 (+9) 94 (+7) 59
Wind 20ft/early(mph) SE 10 E 10 SE 10
Wind 20ft/late(mph) SE 10 E 10 SE 10
Mixing Hgt(ft-agl/msl)4820 4590
Transport Wnd (mph) SE 8 SE 12
Vent Rate (kt-ft) 33740 45900
Dispersion 5 5
DSI 5 3 6
RH Recovery Excellent
Remarks...None.
$$
VIZ001-270915-
Saint Thomas and Saint John-
511 AM AST Sat Apr 26 2025
Today Tonight Sun
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 50 60 50
Temp (24h trend) 85 (+1) 72 (-2) 85
RH % (24h trend) 64 (-7) 99 (+5) 64
Wind 20ft/early(mph) SE 8 E 11 E 13
Wind 20ft/late(mph) SE 8 E 11 E 13
Mixing Hgt(ft-agl/msl)2620 3000
Transport Wnd (mph) E 8 SE 16
Vent Rate (kt-ft) 18340 42000
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
VIZ002-270915-
St Croix-
511 AM AST Sat Apr 26 2025
Today Tonight Sun
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 50 60 40
Temp (24h trend) 85 (+1) 73 (-2) 87
RH % (24h trend) 66 (-7) 99 (+5) 66
Wind 20ft/early(mph) SE 9 E 10 E 12
Wind 20ft/late(mph) SE 9 E 10 E 12
Mixing Hgt(ft-agl/msl)4140 4040
Transport Wnd (mph) E 7 E 15
Vent Rate (kt-ft) 24840 52520
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
$$