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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Fri May 22 2026

NCZ006-222000-
RAWS 310801
36.37N  79.29W Elev. 580 ft
801 AM EDT Fri May 22 2026

Date             Fri 05/22/26            Sat 05/23/26            Sun 05/24/26
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          56          74          60          81
TEMP                63 67 70 68 62 61 59 60 66 69 72 72 65 64 64 66 72 78 80 76
DEWPT               63 63 63 62 61 61 59 60 66 67 68 67 65 64 64 66 70 70 71 70
MAX/MIN RH                   77         100          82         100          74
RH                 100 87 78 81 97100100100100 93 87 84100100100100 93 76 74 82
WIND DIR            NE NE NE NE NE NE NE NE NE NE NE NE  N  N  N  N SW  S  S  S
WIND SPD             5  5  6  5  4  3  3  2  3  4  3  1  0  0  0  0  2  3  3  1
CLOUDS              OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 OV OV OV
CLOUDS(%)           93 92 94 97 97 96 93 94 96 93 93 96 96 91 91 90 84 89 89 90
VSBY                 5  6  5  6  4  3  3  2  4  5  5  6  4  2                  
POP 12HR                     50          90          90          90          80
RAIN SHWRS          IS    IS SC NM  O NM NM  O  O  O  O  O  O  O NM NM  O  O  O
TSTMS                                          IS SC IS IS IS       IS SC SC SC
MIX HGT              1  2  2  1  1 <1 <1 <1  1  1  1 <1 <1 <1 <1 <1  1  2  2 <1
T WIND DIR          NE NE NE NE NE NE  E  E NE NE  N  N NE NE  N NE  S SW  S  S
T WIND SPD           8  8 11 10  6  9  6  8  3  2  4  6  1  1  2  1  3 10 10 12
DISPERSION                   PR VP VP VP             VP VP VP VP             VP
ADI                 14 16 23  7  5  4  3  8  5  3  7  3  1  1  1  1  5 31 30  6
MAX LVORI            5  4  3  4  9  9  9  8  9  8  5  6 10 10 10 10  7  3  3  5
STABILITY            C  C  C  E  E  F  F  B  B  C  B  F  F  F  F  B  B  B  B  F
CEILING               700   700   700   700   500   700     0     0   500  3000
STA PRES            29.55 29.51 29.54 29.53 29.55 29.52 29.54 29.53 29.54 29.46


Date          Mon 05/25/26Tue 05/26/26Wed 05/27/26Thu 05/28/26
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       64      83      65      82      65      83      63      82
TEMP          68 69 80 77 70 69 80 77 69 68 81 77 69 67 81 77
DEWPT         68 69 72 71 69 69 72 71 68 68 71 70 67 67 67 67
RH           100100 77 82 97100 77 82 97100 72 79 93100 63 71
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    OV B2 B2 OV OV B2 OV OV B2 B2 B2 B2 B2 B1 B1 B1
POP 12HR           80      90      90      90      60      80      40      40
RAIN SHWRS     O NM SC  O  O NM  O  O NM SC SC  O SC SC IS SC
TSTMS         SC       SC SC    IS SC SC       SC IS       SC

$$


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