Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS San Juan, PR

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FNCA52 TJSJ 210916
FWFSJU

Fire Weather Planning Forecast for PUERTO RICO
National Weather Service SAN JUAN PR
516 AM AST Mon Jun 21 2021

.DISCUSSION...KDBI values from yesterday`s reading were at 753 in
Cabo Rojo and 734 at Camp Santiago, with fuel moisture at 12 and
10% at Cabo Rojo and Camp Santiago. No showers were observed over
the western half of the south coast yesterday and winds will
exceed critical levels along much of the south coast today.
Nevertheless, moisture is still fairly good and relative
humidities are not expected drop below critical levels today.
Drying is expected, however today through Wednesday such that
elevated fire danger levels may be possible Tuesday and
Wednesday.


PRZ014-220930-
Southeast Coastal Plains-
516 AM AST Mon Jun 21 2021

                      Today        Tonight      Tue

CLOUD COVER           Pcldy        Pcldy        Pcldy
PRECIP TYPE           Showers      Showers      Tstms
CHANCE PRECIP (%)     40           30           40
TEMP (24H TREND)      89 (0)       74 (-1)      90
RH % (24H TREND)      57 (-3)      92 (-2)      55
20FTWND-VAL/AM(MPH)   E  9                      E  6
20FTWND-RDG/PM(MPH)   E 11         E  7         E 11
MIXING HGT(FT-AGL/MSL)4406                      4754
TRANSPORT WND (MPH)   E 17                      E 16
VENT RATE (KT-FT)     70496                     61451
DISPERSION            5                         5
DSI                   6            4            6
LAL                   2            1            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ015-220930-
Southern Hills-
516 AM AST Mon Jun 21 2021

                      Today        Tonight      Tue

CLOUD COVER           Pcldy        Pcldy        Pcldy
PRECIP TYPE           Showers      Showers      Tstms
CHANCE PRECIP (%)     40           30           60
TEMP (24H TREND)      89 (+4)      70 (-2)      88
RH % (24H TREND)      59 (-6)      97 (-1)      58
20FTWND-VAL/AM(MPH)   E  7                      E  5
20FTWND-RDG/PM(MPH)   E  9         E  6         E  9
MIXING HGT(FT-AGL/MSL)5049                      5280
TRANSPORT WND (MPH)   E 15                      E 15
VENT RATE (KT-FT)     70230                     63360
DISPERSION            5                         5
DSI                   6            3            6
LAL                   2            1            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ016-220930-
North Coastal Plains-
516 AM AST Mon Jun 21 2021

                      Today        Tonight      Tue

CLOUD COVER           Pcldy        Pcldy        Pcldy
PRECIP TYPE           Showers      Showers      Showers
CHANCE PRECIP (%)     30           40           30
TEMP (24H TREND)      88 (0)       75 (-1)      89
RH % (24H TREND)      65 (-4)      95 (-1)      63
20FTWND-VAL/AM(MPH)   E 10 G18                  E  9 G21
20FTWND-RDG/PM(MPH)   E 12 G20     E 10 G18     E 14 G23
MIXING HGT(FT-AGL/MSL)4464                      4311
TRANSPORT WND (MPH)   E 17                      E 21
VENT RATE (KT-FT)     61208                     78784
DISPERSION            5                         5
DSI                   6            5            6
LAL                   2            1            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ017-220930-
Northern Hills-
516 AM AST Mon Jun 21 2021

                      Today        Tonight      Tue

CLOUD COVER           Pcldy        Pcldy        Pcldy
PRECIP TYPE           Showers      Showers      Tstms
CHANCE PRECIP (%)     40           20           40
TEMP (24H TREND)      89 (+1)      71 (-1)      90
RH % (24H TREND)      59 (-6)      100 (0)      57
20FTWND-VAL/AM(MPH)   E  7                      E  7
20FTWND-RDG/PM(MPH)   E 10         E  8         E 12
MIXING HGT(FT-AGL/MSL)5557                      4914
TRANSPORT WND (MPH)   E 14                      E 18
VENT RATE (KT-FT)     61138                     75027
DISPERSION            5                         5
DSI                   6            4            6
LAL                   2            1            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ018-220930-
West Coast-
516 AM AST Mon Jun 21 2021

                      Today        Tonight      Tue

CLOUD COVER           Pcldy        Mclear       Pcldy
PRECIP TYPE           Tstms        Showers      Tstms
CHANCE PRECIP (%)     50           10           70
TEMP (24H TREND)      90 (+1)      73 (-2)      89
RH % (24H TREND)      54 (-6)      92 (0)       54
20FTWND-VAL/AM(MPH)   E  6                      E  5
20FTWND-RDG/PM(MPH)   E  5         E  6         E  9
MIXING HGT(FT-AGL/MSL)4533                      4593
TRANSPORT WND (MPH)   E 12                      E 12
VENT RATE (KT-FT)     68880                     59728
DISPERSION            5                         5
DSI                   6            4            5
LAL                   2            1            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ019-220930-
Eastern Interior-
516 AM AST Mon Jun 21 2021

                      Today        Tonight      Tue

CLOUD COVER           Pcldy        Pcldy        Pcldy
PRECIP TYPE           Tstms        Showers      Tstms
CHANCE PRECIP (%)     60           50           50
TEMP (24H TREND)      87 (+1)      71 (-2)      88
RH % (24H TREND)      62 (-8)      99 (0)       60
20FTWND-VAL/AM(MPH)   E  8                      E  7
20FTWND-RDG/PM(MPH)   E 10         E  6         E  9
MIXING HGT(FT-AGL/MSL)4609                      4936
TRANSPORT WND (MPH)   E 16                      E 16
VENT RATE (KT-FT)     54528                     61935
DISPERSION            5                         5
DSI                   6            4            6
LAL                   2            1            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ022-220930-
Luquillo Mountain Range-
516 AM AST Mon Jun 21 2021

                      Today        Tonight      Tue

CLOUD COVER           Pcldy        Pcldy        Mcldy
PRECIP TYPE           Showers      Showers      Tstms
CHANCE PRECIP (%)     60           50           60
TEMP (24H TREND)      84 (+4)      67 (-4)      85
RH % (24H TREND)      66 (-13)     100 (0)      65
20FTWND-VAL/AM(MPH)   E 10                      E  9
20FTWND-RDG/PM(MPH)   E 10         E  8         E 10
MIXING HGT(FT-AGL/MSL)3487                      3174
TRANSPORT WND (MPH)   E 17                      E 17
VENT RATE (KT-FT)     53872                     48310
DISPERSION            5                         5
DSI                   6            6            6
LAL                   2            1            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ023-220930-
Central Mountain Range-
516 AM AST Mon Jun 21 2021

                      Today        Tonight      Tue

CLOUD COVER           Pcldy        Mclear       Pcldy
PRECIP TYPE           Tstms        Showers      Tstms
CHANCE PRECIP (%)     70           10           70
TEMP (24H TREND)      90 (+5)      69 (-1)      89
RH % (24H TREND)      57 (-9)      99 (0)       56
20FTWND-VAL/AM(MPH)   Lgt/Var                   Lgt/Var
20FTWND-RDG/PM(MPH)   E  5         Lgt/Var      E  7
MIXING HGT(FT-AGL/MSL)5744                      5265
TRANSPORT WND (MPH)   E 13                      E 14
VENT RATE (KT-FT)     69986                     63180
DISPERSION            5                         5
DSI                   5            2            5
LAL                   2            1            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ024-220930-
Cayey Mountain Range-
516 AM AST Mon Jun 21 2021

                      Today        Tonight      Tue

CLOUD COVER           Pcldy        Pcldy        Mcldy
PRECIP TYPE           Showers      Showers      Tstms
CHANCE PRECIP (%)     60           50           50
TEMP (24H TREND)      85 (+4)      70 (-1)      85
RH % (24H TREND)      66 (-12)     100 (0)      64
20FTWND-VAL/AM(MPH)   E  8                      E  7
20FTWND-RDG/PM(MPH)   E 10         E  6         E  9
MIXING HGT(FT-AGL/MSL)4134                      3822
TRANSPORT WND (MPH)   E 18                      E 18
VENT RATE (KT-FT)     66144                     62580
DISPERSION            5                         5
DSI                   6            5            6
LAL                   2            1            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ025-220930-
Vieques-
516 AM AST Mon Jun 21 2021

                      Today        Tonight      Tue

CLOUD COVER           Pcldy        Pcldy        Mcldy
PRECIP TYPE           Showers      Showers      Tstms
CHANCE PRECIP (%)     50           50           60
TEMP (24H TREND)      86 (0)       77 (-1)      87
RH % (24H TREND)      63 (-5)      86 (-3)      61
20FTWND-VAL/AM(MPH)   E 16                      E 15 G23
20FTWND-RDG/PM(MPH)   E 16         E 16 G23     E 15
MIXING HGT(FT-AGL/MSL)3048                      3138
TRANSPORT WND (MPH)   E 22                      E 22
VENT RATE (KT-FT)     60240                     61431
DISPERSION            5                         5
DSI                   6            6            6
LAL                   2            1            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ026-220930-
Culebra-
516 AM AST Mon Jun 21 2021

                      Today        Tonight      Tue

CLOUD COVER           Pcldy        Pcldy        Mcldy
PRECIP TYPE           Showers      Showers      Tstms
CHANCE PRECIP (%)     50           50           50
TEMP (24H TREND)      89 (+2)      79 (+1)      89
RH % (24H TREND)      59 (-10)     83 (-4)      59
20FTWND-VAL/AM(MPH)   E 17                      E 17
20FTWND-RDG/PM(MPH)   E 16         E 17         E 16
MIXING HGT(FT-AGL/MSL)3131                      3154
TRANSPORT WND (MPH)   E 23                      E 22
VENT RATE (KT-FT)     62620                     63080
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            2
HAINES INDEX          3            3            3

Remarks...None.


$$

PRZ027-220930-
Southwest Coastal Plains and Mona Island-
516 AM AST Mon Jun 21 2021

                      Today        Tonight      Tue

CLOUD COVER           Mclear       Mclear       Pcldy
PRECIP TYPE           Showers      Showers      Tstms
CHANCE PRECIP (%)     20           10           60
TEMP (24H TREND)      91 (+2)      73 (-2)      89
RH % (24H TREND)      55 (-2)      90 (-1)      54
20FTWND-VAL/AM(MPH)   E 11 G20                  E  6
20FTWND-RDG/PM(MPH)   SE 10 G19    E  9         E 12 G21
MIXING HGT(FT-AGL/MSL)4620                      5279
TRANSPORT WND (MPH)   E 20                      E 12
VENT RATE (KT-FT)     73206                     66703
DISPERSION            5                         5
DSI                   6            4            6
LAL                   1            1            2
HAINES INDEX          3            3            3

Remarks...None.


$$

VIZ001-220930-
Saint Thomas and Saint John-
516 AM AST Mon Jun 21 2021

                      Today        Tonight      Tue

CLOUD COVER           Pcldy        Pcldy        Pcldy
PRECIP TYPE           Showers      Showers      Tstms
CHANCE PRECIP (%)     40           50           50
TEMP (24H TREND)      89 (+2)      76 (-1)      89
RH % (24H TREND)      59 (-8)      90 (-3)      59
20FTWND-VAL/AM(MPH)   E 17 G25                  E 18
20FTWND-RDG/PM(MPH)   E 17         E 17         E 17
MIXING HGT(FT-AGL/MSL)3099                      3129
TRANSPORT WND (MPH)   E 23                      E 23
VENT RATE (KT-FT)     61780                     62580
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            2
HAINES INDEX          3            3            3

Remarks...None.


$$

VIZ002-220930-
St Croix-
516 AM AST Mon Jun 21 2021

                      Today        Tonight      Tue

CLOUD COVER           Pcldy        Pcldy        Pcldy
PRECIP TYPE           Showers      Showers      Showers
CHANCE PRECIP (%)     40           40           50
TEMP (24H TREND)      90 (+3)      77 (0)       90
RH % (24H TREND)      60 (-9)      88 (-4)      58
20FTWND-VAL/AM(MPH)   E 14                      E 16
20FTWND-RDG/PM(MPH)   E 16         E 16 G23     E 13
MIXING HGT(FT-AGL/MSL)4256                      4692
TRANSPORT WND (MPH)   E 23                      E 22
VENT RATE (KT-FT)     85120                     87732
DISPERSION            5                         5
DSI                   6            6            6
LAL                   1            1            1
HAINES INDEX          3            3            3

Remarks...None.


$$


$$


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