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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Tue Apr 21 2026

NCZ003-212000-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
801 AM EDT Tue Apr 21 2026

Date             Tue 04/21/26            Wed 04/22/26            Thu 04/23/26
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                 67          46          80          52          81
TEMP                53 62 67 62 55 51 48 50 70 77 80 73 63 56 52 55 72 79 80 74
DEWPT               23 27 31 35 37 37 37 40 44 40 40 43 44 45 44 46 50 48 47 48
MAX/MIN RH                   25          71          24          75          31
RH                  31 26 26 36 51 59 65 68 39 26 24 34 50 66 74 72 46 34 31 40
WIND DIR             S SW SW  S SW SW SW SW SW  W  W  W  W NW NW NW NW  W  W  W
WIND SPD             3  4  5  6  6  5  5  5  8 10 10  8  5  4  4  4  4  4  5  4
WIND GUST                                      21                              
CLOUDS              CL CL FW SC B1 SC FW FW FW SC SC FW FW FW FW FW FW SC SC SC
CLOUDS(%)            2  5 24 47 56 39 19 20 14 27 27 20 18 13  6 10 10 30 30 26
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           0           5           0          10
MIX HGT              3  4  4 <1 <1 <1 <1 <1  5  8  9 <1 <1 <1 <1 <1  5  9  8 <1
T WIND DIR           S SW SW SW SW SW SW SW  W  W  W  N  W NW NW NW NW NW  W  W
T WIND SPD           3  4 10  6  5  4  3  4 24 23 19  4  1  2  3  2 12  8  8  3
DISPERSION                   PR PR PR PR             PR PR VP VP             VP
ADI                 15 23 54  5  4  2  2  4140197175  3  1  1  2  2 85 86 78  2
MAX LVORI            2  2  1  2  2  3  3  3  1  1  1  2  2  3  3  3  1  1  1  2
STABILITY            A  A  A  E  E  F  F  A  B  B  B  E  F  F  F  A  A  A  A  F
CEILING              None  None  None  None  None  None  None  None  None  None
STA PRES            29.30 29.18 29.13 29.09 29.05 28.98 28.99 28.99 29.00 28.91


Date          Fri 04/24/26Sat 04/25/26Sun 04/26/26Mon 04/27/26
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       54      83      57      80      55      71      51      71
TEMP          59 58 80 76 61 60 74 71 60 56 69 66 55 52 68 66
DEWPT         48 47 46 48 49 49 56 56 55 52 51 48 48 47 50 50
RH            67 67 30 37 65 67 53 59 84 86 53 52 77 83 52 56
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW SC SC SC B1 B2 B2 B1 SC B1 SC SC B1 B1
POP 12HR            5       5      10      60      50      30      20      30
RAIN SHWRS                      SC NM SC SC SC SC IS IS IS SC
TSTMS                              IS 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