Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
521
FNCA52 TJSJ 050700
FWFSJU
Fire Weather Planning Forecast for Puerto Rico
National Weather Service San Juan PR
Issued by National Weather Service Melbourne FL
300 AM AST Thu Jun 5 2025
.DISCUSSION...
Low fire risk for today again. Relative humidities should remain
above 50%, although with a breeze out of the east at 15-18 mph.
KBDI values are still below the threshold for elevated fire
weather statements.
PRZ014-060700-
Southeast Coastal Plains-
300 AM AST Thu Jun 5 2025
Today Tonight Fri
Cloud Cover Pcldy Mclear Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 20 10 20
Temp (24h trend) 91 (+3) 73 (-1) 91
RH % (24h trend) 50 (-7) 94 (+5) 53
Wind 20ft/early(mph) E 17 G23 E 14 G19 E 17 G22
Wind 20ft/late(mph) E 17 G23 E 14 G19 E 17 G22
Mixing Hgt(ft-agl/msl)5830 5050
Transport Wnd (mph) E 16 E 16
Vent Rate (kt-ft) 81620 70700
Dispersion 5 5
DSI 6 4 6
RH Recovery Excellent
Remarks...None.
$$
PRZ015-060700-
Southern Hills-
300 AM AST Thu Jun 5 2025
Today Tonight Fri
Cloud Cover Pcldy Mclear Pcldy
Precip Type Tstms Showers Showers
Chance Precip (%) 40 10 30
Temp (24h trend) 87 (+4) 70 (-1) 87
RH % (24h trend) 56 (-7) 97 (+6) 58
Wind 20ft/early(mph) E 14 E 12 E 14
Wind 20ft/late(mph) E 14 E 12 E 14
Mixing Hgt(ft-agl/msl)6270 5740
Transport Wnd (mph) E 14 E 15
Vent Rate (kt-ft) 75240 74620
Dispersion 5 5
DSI 6 3 6
RH Recovery Excellent
Remarks...None.
$$
PRZ016-060700-
North Coastal Plains-
300 AM AST Thu Jun 5 2025
Today Tonight Fri
Cloud Cover Pcldy Mclear Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 30 20 30
Temp (24h trend) 90 (+2) 73 (0) 88
RH % (24h trend) 58 (-5) 98 (+3) 61
Wind 20ft/early(mph) E 21 E 20 E 21
Wind 20ft/late(mph) E 21 E 20 E 21
Mixing Hgt(ft-agl/msl)5560 5250
Transport Wnd (mph) E 16 E 15
Vent Rate (kt-ft) 77840 68250
Dispersion 5 5
DSI 6 5 6
RH Recovery Excellent
Remarks...None.
$$
PRZ017-060700-
Northern Hills-
300 AM AST Thu Jun 5 2025
Today Tonight Fri
Cloud Cover Pcldy Mclear Pcldy
Precip Type Showers None Tstms
Chance Precip (%) 40 0 60
Temp (24h trend) 86 (0) 70 (-1) 86
RH % (24h trend) 60 (-3) 99 (+1) 62
Wind 20ft/early(mph) NE 18 E 18 E 18
Wind 20ft/late(mph) NE 18 E 18 E 18
Mixing Hgt(ft-agl/msl)6200 5940
Transport Wnd (mph) E 12 E 12
Vent Rate (kt-ft) 62000 59400
Dispersion 5 5
DSI 6 4 6
RH Recovery Excellent
Remarks...None.
$$
PRZ018-060700-
West Coast-
300 AM AST Thu Jun 5 2025
Today Tonight Fri
Cloud Cover Pcldy Mclear Pcldy
Precip Type Tstms None Tstms
Chance Precip (%) 60 0 60
Temp (24h trend) 90 (+1) 71 (0) 90
RH % (24h trend) 57 (-3) 100 (+2) 58
Wind 20ft/early(mph) E 16 E 16 E 16
Wind 20ft/late(mph) E 16 E 16 E 16
Mixing Hgt(ft-agl/msl)5250 4920
Transport Wnd (mph) E 10 E 10
Vent Rate (kt-ft) 47250 44280
Dispersion 5 5
DSI 5 4 5
RH Recovery Excellent
Remarks...None.
$$
PRZ019-060700-
Eastern Interior-
300 AM AST Thu Jun 5 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 20 40 30
Temp (24h trend) 87 (+3) 71 (-1) 87
RH % (24h trend) 57 (-8) 98 (+4) 60
Wind 20ft/early(mph) E 13 E 13 E 14
Wind 20ft/late(mph) E 13 E 13 E 14
Mixing Hgt(ft-agl/msl)6290 5880
Transport Wnd (mph) E 14 E 15
Vent Rate (kt-ft) 75480 76440
Dispersion 5 5
DSI 6 3 6
RH Recovery Excellent
Remarks...None.
$$
PRZ022-060700-
Luquillo Mountain Range-
300 AM AST Thu Jun 5 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 20 40 30
Temp (24h trend) 82 (+3) 69 (-2) 83
RH % (24h trend) 68 (-5) 98 (+6) 68
Wind 20ft/early(mph) E 13 E 11 E 13
Wind 20ft/late(mph) E 13 E 11 E 13
Mixing Hgt(ft-agl/msl)5200 4330
Transport Wnd (mph) E 15 E 16
Vent Rate (kt-ft) 67600 60620
Dispersion 5 5
DSI 6 4 6
RH Recovery Excellent
Remarks...None.
$$
PRZ023-060700-
Central Mountain Range-
300 AM AST Thu Jun 5 2025
Today Tonight Fri
Cloud Cover Pcldy Mclear Pcldy
Precip Type Tstms None Tstms
Chance Precip (%) 60 0 60
Temp (24h trend) 85 (+4) 67 (-1) 86
RH % (24h trend) 60 (-5) 99 (+3) 62
Wind 20ft/early(mph) E 11 E 12 E 11
Wind 20ft/late(mph) E 11 E 12 E 11
Mixing Hgt(ft-agl/msl)7200 6640
Transport Wnd (mph) E 8 E 10
Vent Rate (kt-ft) 50400 59760
Dispersion 5 5
DSI 5 2 5
RH Recovery Excellent
Remarks...None.
$$
PRZ024-060700-
Cayey Mountain Range-
300 AM AST Thu Jun 5 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 20 30 30
Temp (24h trend) 83 (+3) 70 (-1) 82
RH % (24h trend) 63 (-8) 97 (+4) 67
Wind 20ft/early(mph) E 13 E 10 E 13
Wind 20ft/late(mph) E 13 E 10 E 13
Mixing Hgt(ft-agl/msl)5690 5080
Transport Wnd (mph) E 15 E 16
Vent Rate (kt-ft) 73970 71120
Dispersion 5 5
DSI 6 3 6
RH Recovery Excellent
Remarks...None.
$$
PRZ025-060700-
Vieques-
300 AM AST Thu Jun 5 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 20 40 30
Temp (24h trend) 86 (0) 76 (-1) 90
RH % (24h trend) 60 (-2) 89 (+6) 56
Wind 20ft/early(mph) E 14 E 17 G19 E 17
Wind 20ft/late(mph) E 14 E 17 G19 E 17
Mixing Hgt(ft-agl/msl)4010 3450
Transport Wnd (mph) E 17 E 18
Vent Rate (kt-ft) 60150 55200
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
PRZ026-060700-
Culebra-
300 AM AST Thu Jun 5 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 20 40 40
Temp (24h trend) 88 (+1) 76 (-1) 90
RH % (24h trend) 59 (-5) 91 (+4) 58
Wind 20ft/early(mph) E 14 E 17 G19 E 17
Wind 20ft/late(mph) E 14 E 17 G19 E 17
Mixing Hgt(ft-agl/msl)3770 3420
Transport Wnd (mph) E 17 E 16
Vent Rate (kt-ft) 56550 47880
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
PRZ027-060700-
Southwest Coastal Plains and Mona Island-
300 AM AST Thu Jun 5 2025
Today Tonight Fri
Cloud Cover Pcldy Mclear Mclear
Precip Type Tstms None Showers
Chance Precip (%) 50 0 20
Temp (24h trend) 91 (+2) 73 (0) 92
RH % (24h trend) 53 (-2) 93 (+5) 53
Wind 20ft/early(mph) SE 20 G26 E 16 G18 SE 19 G25
Wind 20ft/late(mph) SE 20 G26 E 16 G18 SE 19 G25
Mixing Hgt(ft-agl/msl)5790 5290
Transport Wnd (mph) E 16 E 16
Vent Rate (kt-ft) 81060 74060
Dispersion 5 5
DSI 6 5 6
RH Recovery Excellent
Remarks...None.
$$
VIZ001-060700-
Saint Thomas and Saint John-
300 AM AST Thu Jun 5 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Mclear
Precip Type Showers Showers Showers
Chance Precip (%) 20 40 20
Temp (24h trend) 86 (+1) 74 (-3) 85
RH % (24h trend) 64 (-2) 93 (+5) 66
Wind 20ft/early(mph) E 16 E 18 E 17 G19
Wind 20ft/late(mph) E 16 E 18 E 17 G19
Mixing Hgt(ft-agl/msl)3830 3540
Transport Wnd (mph) E 18 E 18
Vent Rate (kt-ft) 61280 56640
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
VIZ002-060700-
St Croix-
300 AM AST Thu Jun 5 2025
Today Tonight Fri
Cloud Cover Pcldy Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 20 40 20
Temp (24h trend) 87 (+1) 74 (-3) 87
RH % (24h trend) 61 (-5) 93 (+7) 61
Wind 20ft/early(mph) E 14 E 17 E 17
Wind 20ft/late(mph) E 14 E 17 E 17
Mixing Hgt(ft-agl/msl)4580 4490
Transport Wnd (mph) E 16 E 18
Vent Rate (kt-ft) 64120 71840
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
$$