349
FNCA52 TJSJ 060925
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
525 AM AST THU MAR 6 2025
DISCUSSION
RECENT RAINFALL ACTIVITY HAS RESULTED IN A SLIGHT DECREASE IN KDBI
VALUES WITH GUANICA AND MARICAO NOW AT 592 AND 489, RESPECTIVELY.
ABOVE NORMAL MOISTURE WILL PERSIST TODAY. AS A RESULT, THE RH IS
FORECAST TO BE ABOVE CRITICAL THRESHOLD FOR THE MOST PART. SLOWER
WIND SPEEDS ARE EXPECTED TODAY RANGING BETWEEN 08-12 MPH. SOME
HIGHER GUSTS ARE POSSIBLE DURING PEAK HOURS OF THE DAY. ALTHOUGH
MOST SHOWERS THIS AFTERNOON WILL REMAIN OVER INTERIOR AND NORTHERN
PORTIONS OF PUERTO RICO, WINDS AND RHS WILL LIKELY REMAIN OUTSIDE
OF THE CRITICAL THRESHOLDS. THEREFORE, BRIEF FIRE DANGER
CONDITIONS CAN BE POSSIBLE, BUT OVERALL, A LIMITED RISK FOR FIRE
DANGER THREAT ARE FORECAST FOR TODAY.
PRZ014-070930-
SOUTHEAST COASTAL PLAINS-
525 AM AST THU MAR 6 2025
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 10 50
TEMP (24H TREND) 87 (+2) 70 (-1) 87
RH % (24H TREND) 52 (-14) 91 (+3) 52
WIND 20FT/EARLY(MPH) S 8 SE 5 SE 10
WIND 20FT/LATE(MPH) S 8 SE 5 SE 10
MIXING HGT(FT-AGL/MSL)4110 4450
TRANSPORT WND (MPH) SE 6 E 6
VENT RATE (KT-FT) 20550 22250
DISPERSION 5 5
DSI 5 1 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ015-070930-
SOUTHERN HILLS-
525 AM AST THU MAR 6 2025
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 10 70
TEMP (24H TREND) 83 (+3) 67 (-2) 83
RH % (24H TREND) 67 (-6) 100 (+6) 66
WIND 20FT/EARLY(MPH) S 8 SE 5 SE 6
WIND 20FT/LATE(MPH) S 8 SE 5 SE 6
MIXING HGT(FT-AGL/MSL)4830 5360
TRANSPORT WND (MPH) S 6 NE 6
VENT RATE (KT-FT) 24150 26800
DISPERSION 5 5
DSI 4 1 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ016-070930-
NORTH COASTAL PLAINS-
525 AM AST THU MAR 6 2025
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 10 20
TEMP (24H TREND) 86 (+2) 69 (-2) 86
RH % (24H TREND) 67 (-6) 100 (+2) 67
WIND 20FT/EARLY(MPH) NE 5 SE 6 NE 11
WIND 20FT/LATE(MPH) NE 5 SE 6 NE 11
MIXING HGT(FT-AGL/MSL)4130 4100
TRANSPORT WND (MPH) SW 3 NE 8
VENT RATE (KT-FT) 12390 28700
DISPERSION 5 5
DSI 5 1 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ017-070930-
NORTHERN HILLS-
525 AM AST THU MAR 6 2025
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 80 10 20
TEMP (24H TREND) 85 (+3) 68 (-1) 84
RH % (24H TREND) 70 (-2) 100 (+1) 72
WIND 20FT/EARLY(MPH) N 5 SE 5 NE 10
WIND 20FT/LATE(MPH) N 5 SE 5 NE 10
MIXING HGT(FT-AGL/MSL)4800 5080
TRANSPORT WND (MPH) SW 3 NE 7
VENT RATE (KT-FT) 14400 30480
DISPERSION 5 5
DSI 4 1 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ018-070930-
WEST COAST-
525 AM AST THU MAR 6 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 30 0 70
TEMP (24H TREND) 86 (+1) 67 (-2) 86
RH % (24H TREND) 66 (-4) 100 (+2) 67
WIND 20FT/EARLY(MPH) S 9 SE 10 NE 12
WIND 20FT/LATE(MPH) S 9 SE 10 NE 12
MIXING HGT(FT-AGL/MSL)4330 4630
TRANSPORT WND (MPH) S 8 N 6
VENT RATE (KT-FT) 30310 23150
DISPERSION 5 5
DSI 5 3 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ019-070930-
EASTERN INTERIOR-
525 AM AST THU MAR 6 2025
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 30 50
TEMP (24H TREND) 84 (+3) 67 (-3) 84
RH % (24H TREND) 68 (-3) 100 (+2) 67
WIND 20FT/EARLY(MPH) S 9 S 8 E 8
WIND 20FT/LATE(MPH) S 9 S 8 E 8
MIXING HGT(FT-AGL/MSL)4870 4940
TRANSPORT WND (MPH) S 6 NE 7
VENT RATE (KT-FT) 24350 29640
DISPERSION 5 5
DSI 5 2 4
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ022-070930-
LUQUILLO MOUNTAIN RANGE-
525 AM AST THU MAR 6 2025
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 50 60
TEMP (24H TREND) 80 (+4) 65 (-3) 80
RH % (24H TREND) 74 (-5) 100 (+1) 73
WIND 20FT/EARLY(MPH) S 6 S 5 SE 5
WIND 20FT/LATE(MPH) S 6 S 5 SE 5
MIXING HGT(FT-AGL/MSL)4350 4060
TRANSPORT WND (MPH) S 7 NE 6
VENT RATE (KT-FT) 26100 20300
DISPERSION 5 5
DSI 4 2 4
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ023-070930-
CENTRAL MOUNTAIN RANGE-
525 AM AST THU MAR 6 2025
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 60 0 60
TEMP (24H TREND) 82 (+4) 64 (-2) 82
RH % (24H TREND) 71 (-4) 100 (+2) 72
WIND 20FT/EARLY(MPH) S 8 SE 8 NE 11
WIND 20FT/LATE(MPH) S 8 SE 8 NE 11
MIXING HGT(FT-AGL/MSL)5340 5920
TRANSPORT WND (MPH) S 6 NE 7
VENT RATE (KT-FT) 26700 35520
DISPERSION 5 5
DSI 4 1 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ024-070930-
CAYEY MOUNTAIN RANGE-
525 AM AST THU MAR 6 2025
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 30 60
TEMP (24H TREND) 80 (+3) 66 (-2) 80
RH % (24H TREND) 73 (-3) 100 (0) 73
WIND 20FT/EARLY(MPH) S 5 S 5 E 5
WIND 20FT/LATE(MPH) S 5 S 5 E 5
MIXING HGT(FT-AGL/MSL)4560 4450
TRANSPORT WND (MPH) S 7 NE 6
VENT RATE (KT-FT) 27360 22250
DISPERSION 5 5
DSI 4 1 4
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ025-070930-
VIEQUES-
525 AM AST THU MAR 6 2025
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 50 50
TEMP (24H TREND) 85 (+2) 72 (-1) 85
RH % (24H TREND) 64 (-3) 97 (+3) 62
WIND 20FT/EARLY(MPH) S 9 S 9 SE 5
WIND 20FT/LATE(MPH) S 9 S 9 SE 5
MIXING HGT(FT-AGL/MSL)2770 2500
TRANSPORT WND (MPH) S 10 NE 6
VENT RATE (KT-FT) 24930 12500
DISPERSION 5 4
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ026-070930-
CULEBRA-
525 AM AST THU MAR 6 2025
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 50 50
TEMP (24H TREND) 85 (+2) 73 (-2) 85
RH % (24H TREND) 65 (-4) 96 (+4) 62
WIND 20FT/EARLY(MPH) S 10 S 10 LGT/VAR
WIND 20FT/LATE(MPH) S 10 S 10 LGT/VAR
MIXING HGT(FT-AGL/MSL)2660 2600
TRANSPORT WND (MPH) S 10 NE 5
VENT RATE (KT-FT) 23940 10400
DISPERSION 5 4
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ027-070930-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
525 AM AST THU MAR 6 2025
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 10 70
TEMP (24H TREND) 88 (+2) 69 (-3) 88
RH % (24H TREND) 52 (-12) 97 (+6) 50
WIND 20FT/EARLY(MPH) SE 11 SE 11 SE 8
WIND 20FT/LATE(MPH) SE 11 SE 11 SE 8
MIXING HGT(FT-AGL/MSL)4650 5450
TRANSPORT WND (MPH) SE 8 NE 3
VENT RATE (KT-FT) 32550 16350
DISPERSION 5 5
DSI 5 3 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ001-070930-
SAINT THOMAS AND SAINT JOHN-
525 AM AST THU MAR 6 2025
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 50 50
TEMP (24H TREND) 85 (+3) 72 (-2) 85
RH % (24H TREND) 63 (-7) 97 (+3) 60
WIND 20FT/EARLY(MPH) S 10 SE 10 SE 5
WIND 20FT/LATE(MPH) S 10 SE 10 SE 5
MIXING HGT(FT-AGL/MSL)2640 2650
TRANSPORT WND (MPH) S 13 E 6
VENT RATE (KT-FT) 29040 13250
DISPERSION 5 4
DSI 6 5 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ002-070930-
ST CROIX-
525 AM AST THU MAR 6 2025
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 50 50
TEMP (24H TREND) 85 (+2) 73 (-1) 85
RH % (24H TREND) 65 (-5) 96 (+2) 62
WIND 20FT/EARLY(MPH) SE 10 SE 8 E 10
WIND 20FT/LATE(MPH) SE 10 SE 8 E 10
MIXING HGT(FT-AGL/MSL)3980 3800
TRANSPORT WND (MPH) S 13 E 10
VENT RATE (KT-FT) 43780 34200
DISPERSION 5 5
DSI 6 4 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
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