628
FNCA52 TJSJ 040701
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
ISSUED BY NATIONAL WEATHER SERVICE MIAMI FL
301 AM AST WED JUN 4 2025
DISCUSSION
BREEZY CONDITIONS ARE PERSISTING ACROSS THE REGION. HOWEVER, AN
AREAS OF MOISTURE MOVING ACROSS THE ISLANDS WILL KEEP RELATIVE
HUMIDITIES ABOVE 50%. KBDI VALUES REMAIN BELOW THE CRITERIA FOR
FIRE DANGER STATEMENTS. THEREFORE, THE RISK WILL BE LOW FOR TODAY.
PRZ014-050715-
SOUTHEAST COASTAL PLAINS-
301 AM AST WED JUN 4 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 20 20
TEMP (24H TREND) 90 (+1) 72 (-3) 91
RH % (24H TREND) 52 (+1) 91 (+17) 50
WIND 20FT/EARLY(MPH) E 18 G23 E 14 G18 E 18 G24
WIND 20FT/LATE(MPH) E 18 G23 E 14 G18 E 18 G24
MIXING HGT(FT-AGL/MSL)5630 5590
TRANSPORT WND (MPH) E 21 E 15
VENT RATE (KT-FT) 101340 72670
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ015-050715-
SOUTHERN HILLS-
301 AM AST WED JUN 4 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 10 10
TEMP (24H TREND) 86 (+2) 68 (-4) 87
RH % (24H TREND) 56 (-5) 96 (+17) 55
WIND 20FT/EARLY(MPH) E 16 NE 13 E 13
WIND 20FT/LATE(MPH) E 16 NE 13 E 13
MIXING HGT(FT-AGL/MSL)6170 6230
TRANSPORT WND (MPH) E 20 E 13
VENT RATE (KT-FT) 104890 68530
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ016-050715-
NORTH COASTAL PLAINS-
301 AM AST WED JUN 4 2025
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR CLEAR
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 20 0 0
TEMP (24H TREND) 89 (+1) 71 (-4) 88
RH % (24H TREND) 60 (-1) 98 (+15) 61
WIND 20FT/EARLY(MPH) E 21 G24 E 20 G23 E 19 G22
WIND 20FT/LATE(MPH) E 21 G24 E 20 G23 E 19 G22
MIXING HGT(FT-AGL/MSL)5700 5430
TRANSPORT WND (MPH) E 21 E 15
VENT RATE (KT-FT) 102600 70590
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ017-050715-
NORTHERN HILLS-
301 AM AST WED JUN 4 2025
TODAY TONIGHT THU
CLOUD COVER MCLEAR CLEAR CLEAR
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 20 0 0
TEMP (24H TREND) 88 (+2) 69 (-3) 86
RH % (24H TREND) 61 (-1) 99 (+15) 60
WIND 20FT/EARLY(MPH) E 19 E 18 NE 16
WIND 20FT/LATE(MPH) E 19 E 18 NE 16
MIXING HGT(FT-AGL/MSL)6220 6260
TRANSPORT WND (MPH) E 18 E 12
VENT RATE (KT-FT) 99520 62600
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ018-050715-
WEST COAST-
301 AM AST WED JUN 4 2025
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 10 20
TEMP (24H TREND) 90 (0) 69 (-3) 91
RH % (24H TREND) 56 (-5) 98 (+18) 55
WIND 20FT/EARLY(MPH) E 17 E 18 E 13
WIND 20FT/LATE(MPH) E 17 E 18 E 13
MIXING HGT(FT-AGL/MSL)5780 5510
TRANSPORT WND (MPH) E 15 E 9
VENT RATE (KT-FT) 75140 44080
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ019-050715-
EASTERN INTERIOR-
301 AM AST WED JUN 4 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 20 30
TEMP (24H TREND) 86 (+1) 69 (-4) 87
RH % (24H TREND) 63 (+1) 97 (+13) 61
WIND 20FT/EARLY(MPH) E 16 E 14 E 12
WIND 20FT/LATE(MPH) E 16 E 14 E 12
MIXING HGT(FT-AGL/MSL)6150 6510
TRANSPORT WND (MPH) E 20 E 13
VENT RATE (KT-FT) 104550 71610
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ022-050715-
LUQUILLO MOUNTAIN RANGE-
301 AM AST WED JUN 4 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 20 30
TEMP (24H TREND) 82 (+2) 68 (-3) 83
RH % (24H TREND) 72 (0) 98 (+7) 68
WIND 20FT/EARLY(MPH) E 14 E 12 E 11
WIND 20FT/LATE(MPH) E 14 E 12 E 11
MIXING HGT(FT-AGL/MSL)4810 5130
TRANSPORT WND (MPH) E 21 E 14
VENT RATE (KT-FT) 86580 61560
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ023-050715-
CENTRAL MOUNTAIN RANGE-
301 AM AST WED JUN 4 2025
TODAY TONIGHT THU
CLOUD COVER MCLEAR CLEAR MCLEAR
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 40 0 10
TEMP (24H TREND) 85 (+3) 65 (-4) 86
RH % (24H TREND) 60 (-4) 100 (+17) 58
WIND 20FT/EARLY(MPH) E 12 E 14 E 10
WIND 20FT/LATE(MPH) E 12 E 14 E 10
MIXING HGT(FT-AGL/MSL)6760 7450
TRANSPORT WND (MPH) E 16 E 8
VENT RATE (KT-FT) 94640 52150
DISPERSION 5 5
DSI 6 3 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ024-050715-
CAYEY MOUNTAIN RANGE-
301 AM AST WED JUN 4 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 20 30
TEMP (24H TREND) 82 (+1) 69 (-2) 82
RH % (24H TREND) 69 (0) 97 (+10) 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)5370 5540
TRANSPORT WND (MPH) E 21 E 14
VENT RATE (KT-FT) 96660 66480
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ025-050715-
VIEQUES-
301 AM AST WED JUN 4 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 30 30
TEMP (24H TREND) 86 (-2) 75 (-1) 88
RH % (24H TREND) 62 (+3) 85 (0) 59
WIND 20FT/EARLY(MPH) E 18 G23 E 17 G21 E 13 G17
WIND 20FT/LATE(MPH) E 18 G23 E 17 G21 E 13 G17
MIXING HGT(FT-AGL/MSL)3960 4050
TRANSPORT WND (MPH) E 22 E 18
VENT RATE (KT-FT) 75240 64800
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ026-050715-
CULEBRA-
301 AM AST WED JUN 4 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 30 30
TEMP (24H TREND) 88 (0) 75 (-2) 90
RH % (24H TREND) 62 (+1) 89 (+3) 58
WIND 20FT/EARLY(MPH) E 18 G23 E 17 G21 E 13 G17
WIND 20FT/LATE(MPH) E 18 G23 E 17 G21 E 13 G17
MIXING HGT(FT-AGL/MSL)4070 3840
TRANSPORT WND (MPH) E 22 E 17
VENT RATE (KT-FT) 77330 57600
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ027-050715-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
301 AM AST WED JUN 4 2025
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR CLEAR
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 20 20 0
TEMP (24H TREND) 91 (+1) 71 (-4) 92
RH % (24H TREND) 52 (-1) 90 (+18) 50
WIND 20FT/EARLY(MPH) E 23 G29 E 20 G26 E 20 G26
WIND 20FT/LATE(MPH) E 23 G29 E 20 G26 E 20 G26
MIXING HGT(FT-AGL/MSL)5840 5850
TRANSPORT WND (MPH) E 21 E 16
VENT RATE (KT-FT) 105120 81900
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ001-050715-
SAINT THOMAS AND SAINT JOHN-
301 AM AST WED JUN 4 2025
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 30 30
TEMP (24H TREND) 86 (0) 73 (-5) 87
RH % (24H TREND) 64 (0) 94 (+10) 62
WIND 20FT/EARLY(MPH) E 18 G23 E 17 G21 E 13 G17
WIND 20FT/LATE(MPH) E 18 G23 E 17 G21 E 13 G17
MIXING HGT(FT-AGL/MSL)3710 3640
TRANSPORT WND (MPH) E 23 E 16
VENT RATE (KT-FT) 74200 50960
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ002-050715-
ST CROIX-
301 AM AST WED JUN 4 2025
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 20 20
TEMP (24H TREND) 87 (+1) 74 (-3) 87
RH % (24H TREND) 65 (+3) 89 (+4) 61
WIND 20FT/EARLY(MPH) E 18 G23 E 17 G20 E 13
WIND 20FT/LATE(MPH) E 18 G23 E 17 G20 E 13
MIXING HGT(FT-AGL/MSL)4720 4660
TRANSPORT WND (MPH) E 25 E 16
VENT RATE (KT-FT) 103840 65240
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
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