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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
402 AM EDT Wed Mar 18 2026

NCZ006-182000-
RAWS 310801
36.37N  79.29W Elev. 580 ft
402 AM EDT Wed Mar 18 2026

Date             Wed 03/18/26            Thu 03/19/26            Fri 03/20/26
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                 48          30          62          42          69
TEMP          29 28 36 43 47 40 35 33 32 33 47 58 62 55 48 46 43 44 57 66 68 62
DEWPT         14 13 13 13 12 18 19 20 21 23 26 31 33 35 36 37 38 41 44 43 42 44
MAX/MIN RH                   24          65          33          91          38
RH            53 53 38 29 24 41 52 58 63 66 43 36 33 47 63 71 82 89 62 43 39 52
WIND DIR       N NE  E SE  S  N  S  S  S  S SW SW SW  S  S SW  W  W NW SW SW  S
WIND SPD       2  2  2  2  1  0  1  1  1  1  2  3  3  1  2  2  1  1  2  4  4  2
CLOUDS        B2 B1 CL SC SC SC SC B1 FW SC B1 B1 B1 B2 B1 B1 SC SC SC SC B1 B1
CLOUDS(%)     83 55  5 30 48 39 34 55 25 32 60 55 60 81 65 54 30 26 39 45 55 69
VSBY          10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           5           0           5           5
RAIN SHWRS                                                                   IS
MIX HGT        2  3  4  5  5 <1 <1 <1 <1 <1  2  4  5 <1 <1 <1 <1 <1  2  4  5 <1
T WIND DIR     N NE NE  S SW  S  S  S  S  S  W SW SW  S  S  S SW SW  W SW SW  S
T WIND SPD    13  9  4  3  4  8  4  4  3  4 10  5  9  5  3  3  3  2  2  5 11  6
DISPERSION    VP             VP VP VP VP             VP VP VP VP             VP
ADI            6 29 21 20 29  4  2  2  2  4 31 27 52  3  2  2  2  2  7 30 35  3
MAX LVORI      2  2  2  2  2  2  2  3  3  3  1  2  1  2  3  3  5  6  3  1  1  2
STABILITY      F  B  B  B  A  G  G  F  G  A  B  B  B  F  F  F  G  A  B  B  D  F
CEILING              None  None  None  None  None 14400  4700  None  None  4000
STA PRES            29.73 29.65 29.64 29.59 29.57 29.47 29.48 29.47 29.48 29.37


Date          Sat 03/21/26Sun 03/22/26Mon 03/23/26Tue 03/24/26
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       49      76      52      81      52      71      39      55
TEMP          54 51 73 68 57 54 79 74 61 54 67 60 45 40 50 49
DEWPT         44 47 52 51 49 50 54 52 51 46 42 37 31 29 32 34
RH            69 86 48 54 75 86 42 46 70 74 40 42 58 64 50 56
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 B2 B2 B2
POP 12HR           20       5       5      10      20      20      20      30
RAIN SHWRS    IS IS                   IS IS IS IS IS IS IS SC
SNOWSHWRS                                            IS IS   
TSTMS                                          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