719
FNCA52 TJSJ 070729
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
329 AM AST FRI NOV 7 2025
DISCUSSION
EASTERLY WINDS WILL REMAIN BELOW THRESHOLD VALUES, WHILE MINIMUM
RH VALUES WILL REMAIN GENERALLY ABOVE CRITICAL VALUES. EXPECT
PASSING SHOWERS DURING THE MORNING AND LOCALLY INDUCED AFTERNOON
SHOWERS ACROSS WESTERN PUERTO RICO. GIVEN THE EXPECTED CONDITIONS,
THE FIRE DANGER THREAT SHOULD CONTINUE LOW FOR TODAY. REGARLESS
WE ENCOURAGE PEOPLE TO STAY INFORMED FOR ANY CHANGES IN THE
FORECAST.
PRZ014-080730-
SOUTHEAST COASTAL PLAINS-
329 AM AST FRI NOV 7 2025
TODAY TONIGHT SAT
CLOUD COVER MCLEAR PCLDY MCLEAR
PRECIP TYPE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 10 10
TEMP (24H TREND) 88 (+1) 72 (-2) 88
RH % (24H TREND) 53 (-5) 100 (0) 54
WIND 20FT/EARLY(MPH) SE 14 G19 E 10 E 14 G20
WIND 20FT/LATE(MPH) SE 14 G19 E 10 E 14 G20
MIXING HGT(FT-AGL/MSL)4720 4850
TRANSPORT WND (MPH) E 14 E 16
VENT RATE (KT-FT) 56640 67900
DISPERSION 5 5
DSI 5 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ015-080730-
SOUTHERN HILLS-
329 AM AST FRI NOV 7 2025
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 10 20
TEMP (24H TREND) 85 (+3) 69 (-2) 86
RH % (24H TREND) 62 (-7) 100 (0) 62
WIND 20FT/EARLY(MPH) SE 11 E 11 E 12
WIND 20FT/LATE(MPH) SE 11 E 11 E 12
MIXING HGT(FT-AGL/MSL)5330 5330
TRANSPORT WND (MPH) E 13 E 16
VENT RATE (KT-FT) 58630 74620
DISPERSION 5 5
DSI 5 3 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ016-080730-
NORTH COASTAL PLAINS-
329 AM AST FRI NOV 7 2025
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 10 40
TEMP (24H TREND) 89 (+2) 72 (-2) 89
RH % (24H TREND) 62 (-5) 100 (0) 62
WIND 20FT/EARLY(MPH) E 13 E 11 E 17 G19
WIND 20FT/LATE(MPH) E 13 E 11 E 17 G19
MIXING HGT(FT-AGL/MSL)5130 5330
TRANSPORT WND (MPH) E 13 E 15
VENT RATE (KT-FT) 56430 69290
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ017-080730-
NORTHERN HILLS-
329 AM AST FRI NOV 7 2025
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 50 0 50
TEMP (24H TREND) 87 (+1) 69 (-2) 88
RH % (24H TREND) 62 (-4) 100 (0) 61
WIND 20FT/EARLY(MPH) E 11 E 9 E 14
WIND 20FT/LATE(MPH) E 11 E 9 E 14
MIXING HGT(FT-AGL/MSL)5420 6130
TRANSPORT WND (MPH) E 10 E 13
VENT RATE (KT-FT) 48780 67430
DISPERSION 5 5
DSI 5 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ018-080730-
WEST COAST-
329 AM AST FRI NOV 7 2025
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 40 0 40
TEMP (24H TREND) 89 (+2) 72 (0) 89
RH % (24H TREND) 63 (-4) 100 (0) 62
WIND 20FT/EARLY(MPH) E 11 E 10 E 13
WIND 20FT/LATE(MPH) E 11 E 10 E 13
MIXING HGT(FT-AGL/MSL)4780 4700
TRANSPORT WND (MPH) E 9 E 13
VENT RATE (KT-FT) 38240 51700
DISPERSION 5 5
DSI 5 3 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ019-080730-
EASTERN INTERIOR-
329 AM AST FRI NOV 7 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 20 40
TEMP (24H TREND) 87 (+2) 70 (-2) 87
RH % (24H TREND) 65 (-3) 100 (0) 64
WIND 20FT/EARLY(MPH) E 12 E 12 E 13
WIND 20FT/LATE(MPH) E 12 E 12 E 13
MIXING HGT(FT-AGL/MSL)5310 5690
TRANSPORT WND (MPH) E 15 E 16
VENT RATE (KT-FT) 69030 79660
DISPERSION 5 5
DSI 5 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ022-080730-
LUQUILLO MOUNTAIN RANGE-
329 AM AST FRI NOV 7 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 50 40
TEMP (24H TREND) 82 (+3) 68 (-3) 82
RH % (24H TREND) 72 (-5) 100 (0) 71
WIND 20FT/EARLY(MPH) E 11 E 10 E 12
WIND 20FT/LATE(MPH) E 11 E 10 E 12
MIXING HGT(FT-AGL/MSL)4190 4360
TRANSPORT WND (MPH) E 16 E 18
VENT RATE (KT-FT) 58660 69760
DISPERSION 5 5
DSI 5 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ023-080730-
CENTRAL MOUNTAIN RANGE-
329 AM AST FRI NOV 7 2025
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 60 0 60
TEMP (24H TREND) 85 (+4) 67 (-2) 86
RH % (24H TREND) 63 (-7) 100 (0) 63
WIND 20FT/EARLY(MPH) SE 8 E 5 E 9
WIND 20FT/LATE(MPH) SE 8 E 5 E 9
MIXING HGT(FT-AGL/MSL)6210 6560
TRANSPORT WND (MPH) E 7 E 10
VENT RATE (KT-FT) 37260 59040
DISPERSION 5 5
DSI 5 2 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ024-080730-
CAYEY MOUNTAIN RANGE-
329 AM AST FRI NOV 7 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 20 30
TEMP (24H TREND) 82 (+2) 68 (-2) 82
RH % (24H TREND) 70 (-3) 100 (0) 70
WIND 20FT/EARLY(MPH) E 10 E 9 E 11
WIND 20FT/LATE(MPH) E 10 E 9 E 11
MIXING HGT(FT-AGL/MSL)4700 4850
TRANSPORT WND (MPH) E 15 E 17
VENT RATE (KT-FT) 61100 72750
DISPERSION 5 5
DSI 5 3 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ025-080730-
VIEQUES-
329 AM AST FRI NOV 7 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 50 40
TEMP (24H TREND) 87 (+1) 75 (-1) 87
RH % (24H TREND) 66 (0) 100 (0) 65
WIND 20FT/EARLY(MPH) E 13 E 17 G21 E 16 G19
WIND 20FT/LATE(MPH) E 13 E 17 G21 E 16 G19
MIXING HGT(FT-AGL/MSL)3600 3790
TRANSPORT WND (MPH) E 17 E 20
VENT RATE (KT-FT) 54000 64430
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ026-080730-
CULEBRA-
329 AM AST FRI NOV 7 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 50 40
TEMP (24H TREND) 88 (+1) 76 (-1) 90
RH % (24H TREND) 63 (-4) 100 (0) 62
WIND 20FT/EARLY(MPH) E 13 G17 E 17 G21 E 16 G20
WIND 20FT/LATE(MPH) E 13 G17 E 17 G21 E 16 G20
MIXING HGT(FT-AGL/MSL)3560 3820
TRANSPORT WND (MPH) E 18 E 20
VENT RATE (KT-FT) 56960 64940
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ027-080730-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
329 AM AST FRI NOV 7 2025
TODAY TONIGHT SAT
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE SHOWERS NONE
CHANCE PRECIP (%) 0 10 0
TEMP (24H TREND) 90 (+2) 73 (-1) 90
RH % (24H TREND) 51 (-6) 100 (0) 54
WIND 20FT/EARLY(MPH) SE 17 G22 E 13 G17 E 19 G25
WIND 20FT/LATE(MPH) SE 17 G22 E 13 G17 E 19 G25
MIXING HGT(FT-AGL/MSL)5040 5010
TRANSPORT WND (MPH) E 15 E 21
VENT RATE (KT-FT) 65520 90180
DISPERSION 5 5
DSI 5 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ001-080730-
SAINT THOMAS AND SAINT JOHN-
329 AM AST FRI NOV 7 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 50 40
TEMP (24H TREND) 85 (+1) 74 (-3) 86
RH % (24H TREND) 68 (-3) 100 (0) 68
WIND 20FT/EARLY(MPH) E 14 G18 E 18 G22 E 17 G21
WIND 20FT/LATE(MPH) E 14 G18 E 18 G22 E 17 G21
MIXING HGT(FT-AGL/MSL)3590 3950
TRANSPORT WND (MPH) E 20 E 20
VENT RATE (KT-FT) 61030 67150
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ002-080730-
ST CROIX-
329 AM AST FRI NOV 7 2025
TODAY TONIGHT SAT
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 50 20
TEMP (24H TREND) 87 (+1) 76 (-1) 87
RH % (24H TREND) 68 (-2) 100 (0) 66
WIND 20FT/EARLY(MPH) E 14 G19 E 16 G19 E 16 G20
WIND 20FT/LATE(MPH) E 14 G19 E 16 G19 E 16 G20
MIXING HGT(FT-AGL/MSL)4170 4320
TRANSPORT WND (MPH) E 20 E 21
VENT RATE (KT-FT) 70890 77760
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
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