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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Fri Apr 4 2025

VAZ018-042000-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
801 AM EDT Fri Apr 4 2025

Date             Fri 04/04/25            Sat 04/05/25            Sun 04/06/25
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20

MAX/MIN TEMP                 82          62          86          65          73
TEMP                74 80 81 73 67 65 63 63 73 83 84 75 71 69 68 66 71 72 70 64
DEWPT               61 60 61 60 60 59 59 59 61 58 56 56 56 56 56 56 59 58 57 54
MAX/MIN RH                   50          86          38          71          62
RH                  64 51 51 64 78 81 87 87 66 43 38 52 59 63 65 70 66 61 63 70
WIND DIR             W  W SW SW SE SE SE SE  S  S  S  S SW SW SW SW SW SW SW SW
WIND SPD             6  6  5  2  2  2  2  3  5  8  9  6  8  9  9  8  9  9  8  6
WIND GUST           19 18          13 13 16 20 23 26 26 28 31 29 28 28 26 25 25
CLOUDS              B1 B1 B1 B1 B1 B2 OV B2 B1 SC SC SC SC B1 B2 B2 B2 B2 B2 B2
CLOUDS(%)           67 52 52 56 52 80 91 78 53 40 34 42 45 59 71 80 79 81 83 85
VSBY                 9 10 10  9  7  5  5  4  8  9  9  9  9 10 10 10  9  9      
POP 12HR                     30          30          20          30          90
RAIN SHWRS             IS IS SC SC IS          IS          IS SC SC NM  O  O  O
TSTMS                     IS SC IS             IS                      SC SC SC
MIX HGT              3  5  5 <1 <1 <1 <1 <1  2  5  6 <1 <1 <1 <1 <1  4  4  2 <1
T WIND DIR           W  W SW  S SE SE SE SE SW  W  W SW SW SW SW SW  W SW SW  E
T WIND SPD          27 17 12  4  5  5  3  3 19 24 25 11 10 12  9 12 27 13 11  6
DISPERSION                   VP VP VP VP             PR PR PR PR             PR
ADI                 71 52 37  2  3  3  2  3 55148109  8  9 11  8 14 76 37 23  5
MAX LVORI            1  1  1  3  4  5  6  6  1  1  1  2  2  2  3  3  1  1  2  3
STABILITY            D  D  D  F  F  F  F  C  B  B  C  E  D  D  D  D  D  D  D  E
CEILING              2200  None  3000   400  None  None  None  2300  2400  2000
STA PRES            27.97 27.92 27.94 27.90 27.87 27.75 27.72 27.65 27.61 27.52


Date          Mon 04/07/25Tue 04/08/25Wed 04/09/25Thu 04/10/25
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MIN/MAX TEMP       50      60      33      48      29      56      37      62
TEMP          57 51 59 50 42 34 46 40 32 33 53 49 40 40 60 54
DEWPT         49 43 39 28 27 18 15 13 14 17 22 26 28 30 37 35
RH            75 74 47 42 55 51 28 33 47 51 29 40 62 67 42 48
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B1 SC SC SC FW FW FW FW FW FW SC SC SC SC
POP 12HR           90      20      20       5       5       5      10      20
RAIN SHWRS     O SC IS IS IS                               IS
TSTMS         SC                                             

$$


This product is for planning and review purposes only and is not
to be substituted for an official fire weather spot forecast. The
data displayed are calculated from a 2.5 by 2.5 km digital
database and only approximates weather conditions in highly
varying terrain. Please relay any comments you have to the NWS via
email at rnk.webmaster@noaa.gov.

Below is a weather element key for this product.
(Note...winds do not reflect local terrain effects.)

DAY 1 THROUGH 3...
MAX/MIN TEMP OR MIN/MAX TEMP(F).....Maximum/Minimum air temperature
TEMP(F).............................Air temperature
DEWPT(F)............................Dew point temperature
MIN/MAX RH OR MAX/MIN RH(%).........Maximum/Minimum humdity
RH(%)...............................Relative humidity
WIND DIR(8 POINT COMPASS)...........Wind direction
WIND SPD(MPH).......................Wind speed
CLOUDS(CATEGORY)....................Cloud cover category
     EXAMPLE: CL = CLEAR; FW = FEW; SC = Scattered; BK = Broken; OV = Overcast
CLOUDS(%)...........................Cloud cover as a percentage
VSBY................................Visibility value in statute miles
POP 12HR(%).........................Probability for accumulating precipitation
WEATHER...
   TYPE...
       RAIN...........Rain
       RAIN SHWRS.....Rain showers
       TSTMS..........Thunderstorms
       DRIZZLE........Drizzle
       SNOW...........Snow
       SNOWSHWRS......Snow showers
       SLEET..........Sleet
       FRZG RAIN......Freezing rain
       FRZG DRZL......Freezing drizzle
   COVERAGE...
       IS.............Isolated
       SC.............Scattered
       NM.............Numerous
       O..............Occasional
       S..............Slight chance
       C..............Chance
       L..............Likely
       WD.............Widespread
       D..............Definite
       AR.............Areas
       PA.............Patchy

MIX HGT(THOUSANDS OF FT AGL)........Mixing height
     Example: 6 = 6000 feet; 12 = 12000 feet; <1 = Less than 1000 foot
t WIND DIR(8 POINT COMPASS).........Transport Wind direction
T WIND SPD(MPH).....................Transport Wind speed
DISPERSION(CATEGORY)................Smoke Dispersion category
     Values: vp =Very Poor;PR = Poor; FR = Fair; GD = Good;
ADI (INDEX).........................Atmospheric Dispersion Index
MAX LVORI (INDEX)...................Low Visibility Occurrence Risk Index
STABILITY (CATEGORY)................Pasquill Turner Stability
CEILING (FT)........................Ceiling
STA PRES (INCHES MERCURY)...........Station pressure

Day 4 Through 7...
MAX/MIN TEMP OR MIN/MAX TEMP(F).....Maximum/Minimum air temperature
TEMP(F).............................Air temperature
DEWPT(F)............................Dew Point temperature
RH(%)...............................Relative Humidity
WIND SPD(MPH).......................Wind Speed
     Example: <15 = less than 15 MPH; 15> = 15 MPH or greater
AVE CLOUDS(CATEGORY)................Average Cloud Cover Category
POP 12HR(%).........................Probability for accumulating precipitation
WEATHER.............................See Day 1 through 3 weather descriptions