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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 AM EDT Tue Apr 1 2025

NCZ001-012000-
RAWS 310141
36.40N  81.29W Elev. 3009 ft
731 AM EDT Tue Apr 1 2025

Date             Tue 04/01/25            Wed 04/02/25            Thu 04/03/25
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                 62          43          57          53          73
TEMP             38 46 57 61 53 49 46 44 44 51 55 57 56 55 54 54 57 65 69 73 69
DEWPT            34 35 34 35 36 37 38 39 41 45 46 48 50 53 54 54 57 60 60 59 58
MAX/MIN RH                   38          91          72         100          63
RH               85 65 42 38 52 63 73 82 89 80 72 72 80 93100100100 84 73 62 68
WIND DIR         NW  N  N SE SE SE SE SE SE SE  S  S  S  S  S  S  S  S  S  S  S
WIND SPD         10  8  3  4  5  4  6  8  8  9 10 10  9 11 12 11 10 11 13 12  9
WIND GUST        20                                     21 24 23    21         
CLOUDS           B1 FW CL CL CL FW SC B1 OV OV B2 B2 B2 B2 OV OV B2 B2 B1 B1 B1
CLOUDS(%)        51 18  4  5  5 12 30 60 94 89 82 79 76 86 90 92 87 82 65 65 58
VSBY             10 10 10 10 10 10 10  8  7  3  6  5  5  2 10 10 10 10 10 10 10
POP 12HR                      0          20          30          50          50
RAIN SHWRS                                  IS IS SC SC SC SC SC SC SC IS SC SC
MIX HGT           1  2  4  5 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1  1  2  3 <1
T WIND DIR        N  N  N SW SE SE SE SE SE SE  S SE  S  S  S  S  S  S SW SW  S
T WIND SPD       21 10  2  1 10  5  6 13 11  8 10  5  3  4  5  8  9 14 17 16  9
DISPERSION                   PR VP PR PR             PR FR FR FR             PR
ADI              31 22 10  6  5  3  3 12 13  9 13  6  3  4  5  7 10 23 35 35  8
MAX LVORI         4  2  2  2  2  3  3  4  5  5  4  5  5  5  6  6  5  4  3  3  3
STABILITY         D  B  B  B  F  F  F  D  D  D  D  D  D  D  D  D  D  D  D  D  D
CEILING              None  None  None  1200   500   500   500   500   500   500
STA PRES            27.20 27.23 27.32 27.36 27.39 27.37 27.36 27.36 27.40 27.40


Date          Fri 04/04/25Sat 04/05/25Sun 04/06/25Mon 04/07/25
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       60      79      59      79      59      71      45      55
TEMP          64 63 76 73 64 62 75 72 64 61 69 62 52 47 53 46
DEWPT         59 58 56 58 57 57 55 53 54 54 54 52 48 42 34 25
RH            84 84 50 59 78 84 50 51 70 78 59 70 86 83 48 43
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B2 B1 B1 B1 B1 B1 SC SC B1 B2 B2 B2 B1 SC SC
POP 12HR           30      30      20      20      20      70      60      30
RAIN SHWRS    SC       SC IS IS    IS    IS NM NM NM SC SC IS

$$


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