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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 AM EDT Sun Mar 22 2026

NCZ001-222000-
RAWS 310142
36.40N  81.46W Elev. 4608 ft
401 AM EDT Sun Mar 22 2026

Date             Sun 03/22/26            Mon 03/23/26            Tue 03/24/26
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                 70          51          56          31          49
TEMP          54 55 59 68 70 65 62 60 59 55 51 52 49 43 39 36 33 32 39 45 48 43
DEWPT         52 53 52 49 46 49 51 51 53 52 47 38 30 26 24 22 23 23 20 22 24 26
MAX/MIN RH                   42          95          47          70          37
RH            93 93 78 51 42 56 67 72 80 90 86 59 48 51 54 56 66 69 46 40 39 51
WIND DIR       W  W  W  W  W  W  W  W  W NW NW NW NW NW  N  N  N  E SE SE  S  S
WIND SPD      17 17 14 12 14 14 18 26 29 26 21 17 18 18 14 10  9  8 10  9  9 10
CLOUDS        SC SC SC FW FW FW FW SC B2 B2 B1 SC FW FW B1 B1 B1 B1 SC SC SC FW
CLOUDS(%)     45 39 26 21 14 23 20 38 75 86 64 35 21 23 61 62 57 54 49 48 31 12
VSBY          10 10 10 10 10 10 10 10  8  6  9 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      5          30          20           0           5
RAIN SHWRS                            IS IS                                    
MIX HGT       <1 <1  2  4  4 <1 <1 <1  1 <1  1  2  3 <1 <1 <1 <1 <1  1  2  2 <1
T WIND DIR     W  W  W  W  W SW  W  W  W  W  N NW  N  N  N  N NE  E SE  S  S SE
T WIND SPD    10 10 18 16 19  6 10 14 20 19 21 23 25 16 11  6  6  5  5  5  6  6
DISPERSION    GD             GD GD GD GD             GD GD FR PR             FR
ADI            9 11 31 60 57  6  9 13 19 25 36 46 55 14 10  6  6  6 10 15 19  5
MAX LVORI      5  5  3  1  1  3  3  3  3  4  4  1  1  2  2  3  3  3  2  2  2  2
STABILITY      D  D  D  C  D  D  D  D  D  D  D  D  D  D  D  D  D  D  C  C  C  E
CEILING              None  None  None     0     0  None  None  None  None  None
STA PRES            26.62 26.55 26.53 26.51 26.60 26.70 26.79 26.83 26.86 26.82


Date          Wed 03/25/26Thu 03/26/26Fri 03/27/26Sat 03/28/26
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       35      55      44      64      53      60      34      47
TEMP          37 38 55 51 47 47 60 60 58 56 57 50 41 36 44 42
DEWPT         25 28 36 39 41 43 48 49 49 49 48 36 34 29 25 22
RH            61 67 49 63 79 86 64 67 72 77 72 58 76 75 47 44
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 B1 B1 SC B1 B1 SC SC SC B1 B2 B2 B1 SC SC
POP 12HR            5      10      20      30      20      40      40      20
RAIN SHWRS                   IS SC IS    IS SC SC SC SC 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