Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
279
FNCA52 TJSJ 010813
FWFSJU
Fire Weather Planning Forecast for Puerto Rico
National Weather Service San Juan PR
413 AM AST Tue Jul 1 2025
.DISCUSSION...
A little bit more moisture is moving today across the islands.
This will maintain relative humidities just above 50%, under an
east-northeast flow at 15 to 20 mph. These conditions should
maintain the risk of fire spreading moderate for today.
PRZ014-020815-
Southeast Coastal Plains-
413 AM AST Tue Jul 1 2025
Today Tonight Wed
Cloud Cover Pcldy Mclear Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 30 30 40
Temp (24h trend) 91 (+1) 74 (-2) 91
RH % (24h trend) 50 (-1) 87 (+6) 51
Wind 20ft/early(mph) E 21 G27 E 13 G18 SE 16 G21
Wind 20ft/late(mph) E 21 G27 E 13 G18 SE 16 G21
Mixing Hgt(ft-agl/msl)5640 5340
Transport Wnd (mph) E 20 E 17
Vent Rate (kt-ft) 95880 80100
Dispersion 5 5
DSI 6 4 6
RH Recovery Excellent
Remarks...None.
$$
PRZ015-020815-
Southern Hills-
413 AM AST Tue Jul 1 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 30 20 20
Temp (24h trend) 87 (+2) 70 (-3) 87
RH % (24h trend) 56 (-8) 94 (+6) 58
Wind 20ft/early(mph) E 16 E 14 SE 12
Wind 20ft/late(mph) E 16 E 14 SE 12
Mixing Hgt(ft-agl/msl)6370 6080
Transport Wnd (mph) E 17 E 16
Vent Rate (kt-ft) 95550 85120
Dispersion 5 5
DSI 6 3 6
RH Recovery Excellent
Remarks...None.
$$
PRZ016-020815-
North Coastal Plains-
413 AM AST Tue Jul 1 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 30 20 30
Temp (24h trend) 87 (-2) 75 (-1) 90
RH % (24h trend) 61 (-4) 92 (+1) 59
Wind 20ft/early(mph) E 20 G23 E 19 G22 E 20 G23
Wind 20ft/late(mph) E 20 G23 E 19 G22 E 20 G23
Mixing Hgt(ft-agl/msl)5070 5790
Transport Wnd (mph) E 21 E 17
Vent Rate (kt-ft) 91260 86850
Dispersion 5 5
DSI 6 5 6
RH Recovery Excellent
Remarks...None.
$$
PRZ017-020815-
Northern Hills-
413 AM AST Tue Jul 1 2025
Today Tonight Wed
Cloud Cover Pcldy Mclear Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 20 10 20
Temp (24h trend) 86 (-1) 72 (-1) 88
RH % (24h trend) 63 (-3) 94 (0) 61
Wind 20ft/early(mph) NE 18 E 18 E 18
Wind 20ft/late(mph) NE 18 E 18 E 18
Mixing Hgt(ft-agl/msl)5920 7190
Transport Wnd (mph) E 18 E 14
Vent Rate (kt-ft) 94720 86280
Dispersion 5 5
DSI 6 4 6
RH Recovery Excellent
Remarks...None.
$$
PRZ018-020815-
West Coast-
413 AM AST Tue Jul 1 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Tstms Tstms Tstms
Chance Precip (%) 60 50 30
Temp (24h trend) 89 (-2) 71 (-2) 91
RH % (24h trend) 59 (-2) 96 (+4) 57
Wind 20ft/early(mph) E 17 E 17 E 16
Wind 20ft/late(mph) E 17 E 17 E 16
Mixing Hgt(ft-agl/msl)4990 5220
Transport Wnd (mph) E 13 E 14
Vent Rate (kt-ft) 54890 62640
Dispersion 5 5
DSI 6 4 6
RH Recovery Excellent
Remarks...None.
$$
PRZ019-020815-
Eastern Interior-
413 AM AST Tue Jul 1 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 30 30 30
Temp (24h trend) 86 (0) 73 (-2) 88
RH % (24h trend) 61 (-4) 94 (+3) 60
Wind 20ft/early(mph) E 14 E 17 E 13
Wind 20ft/late(mph) E 14 E 17 E 13
Mixing Hgt(ft-agl/msl)6160 6370
Transport Wnd (mph) E 17 SE 16
Vent Rate (kt-ft) 92400 89180
Dispersion 5 5
DSI 6 4 6
RH Recovery Excellent
Remarks...None.
$$
PRZ022-020815-
Luquillo Mountain Range-
413 AM AST Tue Jul 1 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 40 40 40
Temp (24h trend) 83 (+3) 69 (-4) 84
RH % (24h trend) 68 (-7) 100 (+4) 68
Wind 20ft/early(mph) E 13 E 13 E 12
Wind 20ft/late(mph) E 13 E 13 E 12
Mixing Hgt(ft-agl/msl)5000 4820
Transport Wnd (mph) E 20 E 17
Vent Rate (kt-ft) 85000 72300
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
PRZ023-020815-
Central Mountain Range-
413 AM AST Tue Jul 1 2025
Today Tonight Wed
Cloud Cover Pcldy Mclear Pcldy
Precip Type Tstms Showers Tstms
Chance Precip (%) 40 10 30
Temp (24h trend) 85 (+1) 68 (-3) 86
RH % (24h trend) 61 (-6) 96 (+2) 62
Wind 20ft/early(mph) E 13 E 14 SE 10
Wind 20ft/late(mph) E 13 E 14 SE 10
Mixing Hgt(ft-agl/msl)7390 7520
Transport Wnd (mph) E 15 SE 12
Vent Rate (kt-ft) 96070 75200
Dispersion 5 5
DSI 6 3 6
RH Recovery Excellent
Remarks...None.
$$
PRZ024-020815-
Cayey Mountain Range-
413 AM AST Tue Jul 1 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 40 40 40
Temp (24h trend) 82 (+1) 70 (-2) 83
RH % (24h trend) 65 (-7) 99 (+3) 66
Wind 20ft/early(mph) E 13 E 11 E 11
Wind 20ft/late(mph) E 13 E 11 E 11
Mixing Hgt(ft-agl/msl)5420 5300
Transport Wnd (mph) E 18 E 16
Vent Rate (kt-ft) 86720 74200
Dispersion 5 5
DSI 6 4 6
RH Recovery Excellent
Remarks...None.
$$
PRZ025-020815-
Vieques-
413 AM AST Tue Jul 1 2025
Today Tonight Wed
Cloud Cover Mclear Pcldy Mclear
Precip Type Showers Showers Showers
Chance Precip (%) 40 50 10
Temp (24h trend) 89 (+1) 75 (-3) 90
RH % (24h trend) 55 (-6) 90 (+4) 56
Wind 20ft/early(mph) E 17 G22 E 19 G24 E 14 G19
Wind 20ft/late(mph) E 17 G22 E 19 G24 E 14 G19
Mixing Hgt(ft-agl/msl)3630 3540
Transport Wnd (mph) E 22 E 24
Vent Rate (kt-ft) 68970 74340
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
PRZ026-020815-
Culebra-
413 AM AST Tue Jul 1 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mclear
Precip Type Showers Showers Showers
Chance Precip (%) 40 50 10
Temp (24h trend) 90 (+1) 76 (-3) 90
RH % (24h trend) 55 (-10) 92 (+5) 58
Wind 20ft/early(mph) E 17 G22 E 20 G24 E 14 G19
Wind 20ft/late(mph) E 17 G22 E 20 G24 E 14 G19
Mixing Hgt(ft-agl/msl)3730 3590
Transport Wnd (mph) E 21 E 24
Vent Rate (kt-ft) 67140 75390
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
PRZ027-020815-
Southwest Coastal Plains and Mona Island-
413 AM AST Tue Jul 1 2025
Today Tonight Wed
Cloud Cover Pcldy Pcldy Mclear
Precip Type Showers Showers Showers
Chance Precip (%) 40 30 10
Temp (24h trend) 91 (0) 74 (-2) 92
RH % (24h trend) 52 (-1) 85 (+6) 52
Wind 20ft/early(mph) E 24 G31 E 18 G23 SE 20 G26
Wind 20ft/late(mph) E 24 G31 E 18 G23 SE 20 G26
Mixing Hgt(ft-agl/msl)5490 5560
Transport Wnd (mph) E 16 E 22
Vent Rate (kt-ft) 76860 105640
Dispersion 5 5
DSI 6 4 6
RH Recovery Excellent
Remarks...None.
$$
VIZ001-020815-
Saint Thomas and Saint John-
413 AM AST Tue Jul 1 2025
Today Tonight Wed
Cloud Cover Mclear Pcldy Mclear
Precip Type Showers Showers Showers
Chance Precip (%) 30 50 10
Temp (24h trend) 87 (+1) 74 (-4) 86
RH % (24h trend) 58 (-10) 94 (+7) 64
Wind 20ft/early(mph) E 17 G22 E 20 G25 E 14 G19
Wind 20ft/late(mph) E 17 G22 E 20 G25 E 14 G19
Mixing Hgt(ft-agl/msl)3630 3470
Transport Wnd (mph) E 22 E 25
Vent Rate (kt-ft) 68970 76340
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
VIZ002-020815-
St Croix-
413 AM AST Tue Jul 1 2025
Today Tonight Wed
Cloud Cover Mclear Pcldy Mclear
Precip Type Showers Showers Showers
Chance Precip (%) 10 40 10
Temp (24h trend) 89 (+1) 76 (-2) 88
RH % (24h trend) 56 (-6) 89 (+3) 59
Wind 20ft/early(mph) E 17 G20 E 19 G23 E 14 G18
Wind 20ft/late(mph) E 17 G20 E 19 G23 E 14 G18
Mixing Hgt(ft-agl/msl)4750 4660
Transport Wnd (mph) E 21 E 17
Vent Rate (kt-ft) 85500 69900
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
$$