210
FNCA52 TJSJ 060740
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
340 AM AST THU NOV 6 2025
DISCUSSION
EAST-SOUTHEASTERLY 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.
PRZ014-070745-
SOUTHEAST COASTAL PLAINS-
340 AM AST THU NOV 6 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 10 40
TEMP (24H TREND) 88 (+2) 72 (-2) 88
RH % (24H TREND) 52 (-16) 91 (+3) 51
WIND 20FT/EARLY(MPH) SE 13 G18 E 10 E 14 G20
WIND 20FT/LATE(MPH) SE 13 G18 E 10 E 14 G20
MIXING HGT(FT-AGL/MSL)4600 4760
TRANSPORT WND (MPH) E 13 E 14
VENT RATE (KT-FT) 50600 57120
DISPERSION 5 5
DSI 5 3 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ015-070745-
SOUTHERN HILLS-
340 AM AST THU NOV 6 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 10 10 50
TEMP (24H TREND) 85 (+4) 68 (-3) 85
RH % (24H TREND) 63 (-8) 98 (+5) 62
WIND 20FT/EARLY(MPH) SE 10 E 8 E 12
WIND 20FT/LATE(MPH) SE 10 E 8 E 12
MIXING HGT(FT-AGL/MSL)5040 5290
TRANSPORT WND (MPH) E 13 E 13
VENT RATE (KT-FT) 55440 58190
DISPERSION 5 5
DSI 5 2 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ016-070745-
NORTH COASTAL PLAINS-
340 AM AST THU NOV 6 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 10 10
TEMP (24H TREND) 88 (+2) 72 (-2) 89
RH % (24H TREND) 62 (-9) 97 (+4) 62
WIND 20FT/EARLY(MPH) E 12 E 11 E 16 G18
WIND 20FT/LATE(MPH) E 12 E 11 E 16 G18
MIXING HGT(FT-AGL/MSL)4720 4940
TRANSPORT WND (MPH) E 12 E 14
VENT RATE (KT-FT) 47200 59280
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ017-070745-
NORTHERN HILLS-
340 AM AST THU NOV 6 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 60 0 40
TEMP (24H TREND) 87 (+3) 69 (-2) 87
RH % (24H TREND) 63 (-8) 97 (+1) 61
WIND 20FT/EARLY(MPH) E 11 E 9 E 13
WIND 20FT/LATE(MPH) E 11 E 9 E 13
MIXING HGT(FT-AGL/MSL)5150 5620
TRANSPORT WND (MPH) E 9 E 10
VENT RATE (KT-FT) 41200 50580
DISPERSION 5 5
DSI 5 3 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ018-070745-
WEST COAST-
340 AM AST THU NOV 6 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE PRECIP (%) 40 0 40
TEMP (24H TREND) 88 (+2) 70 (-2) 89
RH % (24H TREND) 63 (-7) 98 (+2) 63
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)4640 4530
TRANSPORT WND (MPH) E 8 E 8
VENT RATE (KT-FT) 32480 31710
DISPERSION 5 5
DSI 5 3 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ019-070745-
EASTERN INTERIOR-
340 AM AST THU NOV 6 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 20 50
TEMP (24H TREND) 87 (+3) 69 (-3) 87
RH % (24H TREND) 64 (-6) 99 (+3) 63
WIND 20FT/EARLY(MPH) E 10 E 8 E 12
WIND 20FT/LATE(MPH) E 10 E 8 E 12
MIXING HGT(FT-AGL/MSL)4930 5430
TRANSPORT WND (MPH) SE 10 E 14
VENT RATE (KT-FT) 44370 65160
DISPERSION 5 5
DSI 5 2 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ022-070745-
LUQUILLO MOUNTAIN RANGE-
340 AM AST THU NOV 6 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 30 40
TEMP (24H TREND) 82 (+3) 68 (-3) 82
RH % (24H TREND) 71 (-7) 100 (+2) 71
WIND 20FT/EARLY(MPH) E 9 E 6 E 11
WIND 20FT/LATE(MPH) E 9 E 6 E 11
MIXING HGT(FT-AGL/MSL)4360 4590
TRANSPORT WND (MPH) E 12 E 16
VENT RATE (KT-FT) 43600 64260
DISPERSION 5 5
DSI 6 2 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ023-070745-
CENTRAL MOUNTAIN RANGE-
340 AM AST THU NOV 6 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 50 0 50
TEMP (24H TREND) 85 (+6) 66 (-3) 85
RH % (24H TREND) 64 (-10) 97 (+1) 63
WIND 20FT/EARLY(MPH) E 8 E 6 E 9
WIND 20FT/LATE(MPH) E 8 E 6 E 9
MIXING HGT(FT-AGL/MSL)5670 6560
TRANSPORT WND (MPH) E 9 E 8
VENT RATE (KT-FT) 45360 45920
DISPERSION 5 5
DSI 5 1 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ024-070745-
CAYEY MOUNTAIN RANGE-
340 AM AST THU NOV 6 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 20 20 50
TEMP (24H TREND) 82 (+2) 68 (-2) 82
RH % (24H TREND) 68 (-6) 100 (+1) 69
WIND 20FT/EARLY(MPH) E 9 E 6 E 11
WIND 20FT/LATE(MPH) E 9 E 6 E 11
MIXING HGT(FT-AGL/MSL)4610 4740
TRANSPORT WND (MPH) E 13 E 16
VENT RATE (KT-FT) 50710 66360
DISPERSION 5 5
DSI 5 2 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ025-070745-
VIEQUES-
340 AM AST THU NOV 6 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 30 20
TEMP (24H TREND) 87 (+1) 75 (-1) 87
RH % (24H TREND) 62 (-6) 94 (+3) 65
WIND 20FT/EARLY(MPH) E 11 E 11 E 13 G17
WIND 20FT/LATE(MPH) E 11 E 11 E 13 G17
MIXING HGT(FT-AGL/MSL)3870 3580
TRANSPORT WND (MPH) E 16 E 15
VENT RATE (KT-FT) 54180 46540
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ026-070745-
CULEBRA-
340 AM AST THU NOV 6 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 20 20
TEMP (24H TREND) 89 (+2) 75 (-2) 88
RH % (24H TREND) 61 (-7) 97 (+6) 62
WIND 20FT/EARLY(MPH) E 11 E 11 E 13
WIND 20FT/LATE(MPH) E 11 E 11 E 13
MIXING HGT(FT-AGL/MSL)3620 3660
TRANSPORT WND (MPH) E 16 E 18
VENT RATE (KT-FT) 50680 58560
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ027-070745-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
340 AM AST THU NOV 6 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE NONE NONE SHOWERS
CHANCE PRECIP (%) 0 0 10
TEMP (24H TREND) 90 (+3) 72 (-3) 90
RH % (24H TREND) 51 (-14) 92 (+5) 51
WIND 20FT/EARLY(MPH) SE 16 G22 E 10 SE 17 G23
WIND 20FT/LATE(MPH) SE 16 G22 E 10 SE 17 G23
MIXING HGT(FT-AGL/MSL)4800 5000
TRANSPORT WND (MPH) E 15 E 15
VENT RATE (KT-FT) 62400 65000
DISPERSION 5 5
DSI 5 3 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ001-070745-
SAINT THOMAS AND SAINT JOHN-
340 AM AST THU NOV 6 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 30 10
TEMP (24H TREND) 85 (+1) 74 (-3) 85
RH % (24H TREND) 67 (-7) 98 (+7) 68
WIND 20FT/EARLY(MPH) E 12 E 11 E 14 G18
WIND 20FT/LATE(MPH) E 12 E 11 E 14 G18
MIXING HGT(FT-AGL/MSL)3560 3840
TRANSPORT WND (MPH) E 15 E 18
VENT RATE (KT-FT) 46280 61440
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ002-070745-
ST CROIX-
340 AM AST THU NOV 6 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 30 10
TEMP (24H TREND) 87 (0) 74 (-3) 87
RH % (24H TREND) 66 (-1) 94 (+4) 67
WIND 20FT/EARLY(MPH) E 11 E 11 E 13 G17
WIND 20FT/LATE(MPH) E 11 E 11 E 13 G17
MIXING HGT(FT-AGL/MSL)3910 4580
TRANSPORT WND (MPH) E 15 E 17
VENT RATE (KT-FT) 50830 68700
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
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