Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
198
FNCA52 TJSJ 070816
FWFSJU
Fire Weather Planning Forecast for Puerto Rico
National Weather Service San Juan PR
416 AM AST Sat Jun 7 2025
.DISCUSSION...
Breezy conditions are expected to persist today. There is a
little bit of moisture in the atmosphere, hence relative
humidities are expected to be just above 50%. KBDI values are
increasing, but still below the critical threshold. Therefore, the
risk of fire remains low for today.
PRZ014-080830-
Southeast Coastal Plains-
416 AM AST Sat Jun 7 2025
Today Tonight Sun
Cloud Cover Mclear Mclear Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 20 20 60
Temp (24h trend) 91 (+2) 74 (0) 91
RH % (24h trend) 50 (-8) 90 (+3) 56
Wind 20ft/early(mph) SE 17 G23 E 14 G18 E 13 G18
Wind 20ft/late(mph) SE 17 G23 E 14 G18 E 13 G18
Mixing Hgt(ft-agl/msl)5590 4560
Transport Wnd (mph) E 15 E 16
Vent Rate (kt-ft) 72670 63840
Dispersion 5 5
DSI 6 4 6
RH Recovery Excellent
Remarks...None.
$$
PRZ015-080830-
Southern Hills-
416 AM AST Sat Jun 7 2025
Today Tonight Sun
Cloud Cover Pcldy Mclear Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 20 10 30
Temp (24h trend) 87 (+3) 70 (-1) 87
RH % (24h trend) 56 (-9) 96 (+6) 61
Wind 20ft/early(mph) E 13 E 10 E 12
Wind 20ft/late(mph) E 13 E 10 E 12
Mixing Hgt(ft-agl/msl)5970 5370
Transport Wnd (mph) E 13 E 16
Vent Rate (kt-ft) 65670 75180
Dispersion 5 5
DSI 5 3 6
RH Recovery Excellent
Remarks...None.
$$
PRZ016-080830-
North Coastal Plains-
416 AM AST Sat Jun 7 2025
Today Tonight Sun
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Tstms
Chance Precip (%) 40 30 40
Temp (24h trend) 88 (0) 73 (-1) 88
RH % (24h trend) 60 (-5) 96 (+3) 65
Wind 20ft/early(mph) E 19 G22 E 16 G18 E 18
Wind 20ft/late(mph) E 19 G22 E 16 G18 E 18
Mixing Hgt(ft-agl/msl)5400 4710
Transport Wnd (mph) E 15 E 15
Vent Rate (kt-ft) 70200 61230
Dispersion 5 5
DSI 6 5 6
RH Recovery Excellent
Remarks...None.
$$
PRZ017-080830-
Northern Hills-
416 AM AST Sat Jun 7 2025
Today Tonight Sun
Cloud Cover Pcldy Mclear Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 50 20 60
Temp (24h trend) 86 (+1) 71 (0) 87
RH % (24h trend) 62 (-6) 97 (0) 66
Wind 20ft/early(mph) E 16 E 12 E 16
Wind 20ft/late(mph) E 16 E 12 E 16
Mixing Hgt(ft-agl/msl)6000 5900
Transport Wnd (mph) E 12 E 14
Vent Rate (kt-ft) 60000 70800
Dispersion 5 5
DSI 5 3 6
RH Recovery Excellent
Remarks...None.
$$
PRZ018-080830-
West Coast-
416 AM AST Sat Jun 7 2025
Today Tonight Sun
Cloud Cover Pcldy Mclear Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 50 0 50
Temp (24h trend) 91 (+2) 73 (+1) 91
RH % (24h trend) 56 (-8) 93 (0) 60
Wind 20ft/early(mph) E 14 E 10 E 16
Wind 20ft/late(mph) E 14 E 10 E 16
Mixing Hgt(ft-agl/msl)5210 4710
Transport Wnd (mph) E 8 E 14
Vent Rate (kt-ft) 36470 56520
Dispersion 5 5
DSI 5 3 6
RH Recovery Excellent
Remarks...None.
$$
PRZ019-080830-
Eastern Interior-
416 AM AST Sat Jun 7 2025
Today Tonight Sun
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 30 50 50
Temp (24h trend) 87 (+1) 71 (-2) 86
RH % (24h trend) 59 (-4) 96 (+4) 66
Wind 20ft/early(mph) E 12 E 12 E 12
Wind 20ft/late(mph) E 12 E 12 E 12
Mixing Hgt(ft-agl/msl)6460 5170
Transport Wnd (mph) E 13 SE 15
Vent Rate (kt-ft) 71060 67210
Dispersion 5 5
DSI 5 3 6
RH Recovery Excellent
Remarks...None.
$$
PRZ022-080830-
Luquillo Mountain Range-
416 AM AST Sat Jun 7 2025
Today Tonight Sun
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 40 60 60
Temp (24h trend) 84 (+4) 69 (-2) 83
RH % (24h trend) 65 (-7) 100 (+4) 74
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)5380 3210
Transport Wnd (mph) E 14 E 16
Vent Rate (kt-ft) 64560 44940
Dispersion 5 5
DSI 6 5 6
RH Recovery Excellent
Remarks...None.
$$
PRZ023-080830-
Central Mountain Range-
416 AM AST Sat Jun 7 2025
Today Tonight Sun
Cloud Cover Pcldy Mclear Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 50 0 50
Temp (24h trend) 85 (+4) 68 (-1) 86
RH % (24h trend) 61 (-10) 98 (+2) 65
Wind 20ft/early(mph) E 10 E 8 SE 10
Wind 20ft/late(mph) E 10 E 8 SE 10
Mixing Hgt(ft-agl/msl)7260 6550
Transport Wnd (mph) E 8 SE 13
Vent Rate (kt-ft) 50820 72050
Dispersion 5 5
DSI 5 2 5
RH Recovery Excellent
Remarks...None.
$$
PRZ024-080830-
Cayey Mountain Range-
416 AM AST Sat Jun 7 2025
Today Tonight Sun
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 30 50 60
Temp (24h trend) 83 (+2) 70 (0) 82
RH % (24h trend) 64 (-5) 99 (+2) 73
Wind 20ft/early(mph) E 11 E 9 E 10
Wind 20ft/late(mph) E 11 E 9 E 10
Mixing Hgt(ft-agl/msl)5810 3950
Transport Wnd (mph) E 14 E 15
Vent Rate (kt-ft) 69720 51350
Dispersion 5 5
DSI 6 3 6
RH Recovery Excellent
Remarks...None.
$$
PRZ025-080830-
Vieques-
416 AM AST Sat Jun 7 2025
Today Tonight Sun
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 30 60 40
Temp (24h trend) 89 (+1) 77 (0) 88
RH % (24h trend) 57 (-2) 91 (+7) 62
Wind 20ft/early(mph) E 13 G17 E 14 G18 E 16 G19
Wind 20ft/late(mph) E 13 G17 E 14 G18 E 16 G19
Mixing Hgt(ft-agl/msl)4010 2900
Transport Wnd (mph) E 16 E 20
Vent Rate (kt-ft) 56140 49300
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
PRZ026-080830-
Culebra-
416 AM AST Sat Jun 7 2025
Today Tonight Sun
Cloud Cover Pcldy Mcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 30 60 40
Temp (24h trend) 90 (+2) 75 (-3) 90
RH % (24h trend) 57 (-6) 95 (+10) 60
Wind 20ft/early(mph) E 13 G17 E 16 G19 E 17 G21
Wind 20ft/late(mph) E 13 G17 E 16 G19 E 17 G21
Mixing Hgt(ft-agl/msl)4190 3130
Transport Wnd (mph) E 16 E 21
Vent Rate (kt-ft) 58660 56340
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
PRZ027-080830-
Southwest Coastal Plains and Mona Island-
416 AM AST Sat Jun 7 2025
Today Tonight Sun
Cloud Cover Mclear Mclear Pcldy
Precip Type Showers None Showers
Chance Precip (%) 10 0 20
Temp (24h trend) 92 (+3) 75 (+1) 92
RH % (24h trend) 52 (-7) 86 (+2) 55
Wind 20ft/early(mph) SE 20 G26 E 14 G18 SE 21 G27
Wind 20ft/late(mph) SE 20 G26 E 14 G18 SE 21 G27
Mixing Hgt(ft-agl/msl)5720 4910
Transport Wnd (mph) E 14 E 21
Vent Rate (kt-ft) 68640 88380
Dispersion 5 5
DSI 6 4 6
RH Recovery Excellent
Remarks...None.
$$
VIZ001-080830-
Saint Thomas and Saint John-
416 AM AST Sat Jun 7 2025
Today Tonight Sun
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 20 50 40
Temp (24h trend) 86 (+1) 74 (-4) 86
RH % (24h trend) 65 (-2) 98 (+12) 66
Wind 20ft/early(mph) E 13 G17 E 17 G21 E 18 G22
Wind 20ft/late(mph) E 13 G17 E 17 G21 E 18 G22
Mixing Hgt(ft-agl/msl)4380 3160
Transport Wnd (mph) E 17 E 23
Vent Rate (kt-ft) 65700 63200
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
VIZ002-080830-
St Croix-
416 AM AST Sat Jun 7 2025
Today Tonight Sun
Cloud Cover Mclear Mcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 20 60 40
Temp (24h trend) 87 (0) 76 (-1) 87
RH % (24h trend) 63 (-1) 94 (+7) 65
Wind 20ft/early(mph) E 13 G17 E 14 G17 E 16 G20
Wind 20ft/late(mph) E 13 G17 E 14 G17 E 16 G20
Mixing Hgt(ft-agl/msl)4730 3780
Transport Wnd (mph) E 16 E 22
Vent Rate (kt-ft) 66220 71820
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
$$