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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
202 PM EDT Tue Mar 17 2026

VAZ018-180800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
202 PM EDT Tue Mar 17 2026

Date           03/17/26      Wed 03/18/26            Thu 03/19/26            Fri
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08

MIN/MAX TEMP                 21          43          30          57          40
TEMP          33 25 23 21 22 22 32 40 43 37 33 32 31 32 46 54 57 50 45 43 41 40
DEWPT         11  8  7  7  8  9  7  9 13 18 18 20 22 25 30 35 36 35 36 36 36 36
MIN/MAX RH                   57          27          75          46          85
RH            39 48 50 54 54 57 34 27 29 46 53 61 69 75 53 48 45 56 70 76 82 85
WIND DIR       W NW NW NW NW  W  S  S  S  S  S SW SW  W SW SW SW SW  W  W  W  W
WIND SPD      11  9  3  2  2  1  2  4  4  2  2  2  1  1  2  3  3  2  2  2  2  2
WIND GUST     32 29 18 12          14 14 12                                    
CLOUDS        B1 SC SC SC B2 B1 SC SC B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B1 SC SC SC
CLOUDS(%)     67 29 35 45 73 52 40 49 64 51 52 64 55 65 69 73 76 72 63 44 50 38
VSBY           7  9 10 10 10 10  9 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                      0           5           0           5          20
RAIN SHWRS                                                       IS IS         
SNOWSHWRS     IS                                                               
MIX HGT        5  2  2  1  1  1  3  4  5 <1 <1 <1 <1 <1  2  4  4 <1            
T WIND DIR     W  W NW NW  W  N  S  S  S SE  S SW  S  W  W SW SW SW            
T WIND SPD    27 24 16 11  9  4  5  9 11 10  4  3  2  1  8 10 12 11            
DISPERSION       PR VP VP VP             VP VP VP VP             VP VP VP VP   
ADI           88 16  7  5  4  7 19 46 34  5  2  2  1  1 20 38 46  5            
MAX LVORI      1  2  2  2  3  3  2  1  1  2  2  3  3  4  2  1  1  3            
STABILITY      D  E  G  F  F  B  B  B  D  F  F  F  F  C  C  C  C  F            
CEILING        4300  None 12900  None  None  4800  3900  3000  3800  1400      
STA PRES      27.76 27.90 27.95 27.98 27.92 27.94 27.89 27.87 27.78            


Date           03/20Sat 03/21/26Sun 03/22/26Mon 03/23/26Tue 03/24/26
UTC 6hrly     18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MAX/MIN TEMP       63      44      68      47      75      47      61      34      52
TEMP          61 56 46 46 66 60 51 48 73 67 57 48 58 52 40 35 48 44
DEWPT         43 40 40 42 45 42 42 44 47 46 43 37 31 28 26 23 25 26
RH            51 55 79 86 47 51 71 86 40 47 59 65 36 39 57 61 40 49
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 B1 SC B1 SC FW SC FW SC SC B1 SC FW SC SC SC B1
POP 12HR            5      10       5       5      10      30      20      20      20
RAIN SHWRS                                  IS SC IS IS          IS
SNOWSHWRS                                                  IS 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