Fire Weather Point Forecast Matrices Issued by NWS Corpus Christi, TX
000
FOUS54 KCRP 200852
PFWCRP
FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
352 AM CDT MON MAY 20 2013
TXZ245-202215-
ARANSAS NATIONAL WILDLIFE REFUGE RAWS-ARANSAS COUNTY TX
28.30N 96.82W ELEV. 20 FT
352 AM CDT MON MAY 20 2013
DATE MON 05/20/13 TUE 05/21/13 WED 05/22/13
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
MAX/MIN 86 76 86 75 82
TEMP 76 76 82 86 86 84 80 78 77 76 82 85 86 81 77 76 76 75 79 82 82 80
DEWPT 73 73 73 74 73 74 75 74 73 73 74 74 74 74 74 74 74 74 74 74 74 74
MIN/MAX RH 66 90 69 96 77
RH 92 92 76 69 66 74 86 88 87 90 77 70 69 81 91 93 95 96 84 78 77 82
WIND DIR SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE
WIND SPD 13 12 13 16 14 17 13 12 12 11 13 14 14 13 10 6 8 9 9 9 10 11
HEAT INDEX 88 93 93 91 88 92 94 86 88 88 82
CLOUDS B2 B2 B2 B1 SC B2 B2 B2 B2 B2 B2 SC SC B1 B1 B1 B1 B1 SC SC SC SC
CLOUDS(%) 79 79 80 58 39 70 82 82 79 84 74 38 34 57 62 68 60 53 44 35 36 36
POP 12HR 5 10 10 10 20
QPF 12HR 0 0 0 0 0.02
RAIN SHWRS IS IS IS IS
TSTMS IS IS IS IS
OBVIS H H H H
LAL 1 1 1 1 1 1 1 1 2 2
HAINES 4 4 4 4 4 4 4 3 2 2
MIXING HGT 2400 2300 1500 900 1500 1600 1200 1200 1800 1900
T WIND DIR S S SE S S S SE SE SE SE
T WIND SPD 26 25 27 28 25 20 17 14 16 18
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13 SUN 05/26/13
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MIN/MAX 74 82 74 84 73 84 73 84
TEMP 76 74 81 80 76 74 84 81 75 73 84 81 75 73 84 82
DEWPT 74 73 73 73 73 73 73 72 72 71 70 71 70 69 69 69
MAX/MIN RH 98 76 96 69 93 64 86 62
RH 95 98 78 81 92 96 71 74 89 93 65 71 83 86 63 68
PWIND DIR SE SE SE SE SE SE SE SE
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B1 SC B1 B1 B1 SC SC B1 B1 SC SC SC SC SC
POP 12HR 10 5 5 5 5 5 5 5
$$
TXZ231-202215-
GEORGE WEST RAWS-LIVE OAK COUNTY TX
28.37N 98.12W ELEV. 215 FT
352 AM CDT MON MAY 20 2013
DATE MON 05/20/13 TUE 05/21/13 WED 05/22/13
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
MAX/MIN 95 76 93 74 94
TEMP 77 76 87 94 95 90 82 79 77 76 86 91 92 88 80 77 75 74 86 93 94 88
DEWPT 72 72 72 71 69 70 72 73 73 73 73 72 72 72 73 73 72 71 72 72 72 71
MIN/MAX RH 44 91 51 91 49
RH 85 87 60 48 44 52 73 81 88 91 65 53 51 60 79 85 89 91 62 52 49 57
WIND DIR SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE E SE SE SE SE SE SE
WIND SPD 9 10 14 16 16 17 13 11 10 9 12 10 12 12 10 8 8 8 8 8 9 11
HEAT INDEX 94101101 95 87 93 99100 96 92101102 95
CLOUDS B2 B2 B2 SC SC SC B1 B2 B2 OV B2 SC SC B1 B1 B1 B1 B1 SC SC SC SC
CLOUDS(%) 79 79 73 38 28 46 62 75 86 89 79 40 35 57 60 64 59 53 44 35 33 30
POP 12HR 5 10 10 20 10
QPF 12HR 0 0 0 0.04 0
RAIN SHWRS IS IS IS IS
TSTMS IS IS IS IS
OBVIS H H H H
LAL 1 1 1 1 1 1 2 2 1 1
HAINES 4 5 4 4 4 4 4 3 3 3
MIXING HGT 4100 4500 3300 1100 3600 4200 3100 1500 4200 4200
T WIND DIR S SE S S S SE SE SE SE SE
T WIND SPD 26 26 29 27 25 17 17 13 13 17
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13 SUN 05/26/13
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MIN/MAX 74 93 73 93 73 94 71 94
TEMP 77 74 92 88 77 73 92 88 77 73 93 88 75 71 93 88
DEWPT 72 72 70 69 71 72 70 69 70 70 67 66 68 67 64 63
MAX/MIN RH 96 46 96 45 92 40 89 36
RH 85 96 49 54 83 96 48 53 81 92 43 48 79 89 39 43
PWIND DIR SE SE SE SE SE SE SE SE
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B1 SC SC B1 B1 SC SC B1 SC SC SC SC SC SC
POP 12HR 10 5 5 5 5 5 5 5
$$
TXZ247-202215-
MATAGORDA ISLAND RAWS-CALHOUN COUNTY TX
28.12N 96.80W ELEV. 36 FT
352 AM CDT MON MAY 20 2013
DATE MON 05/20/13 TUE 05/21/13 WED 05/22/13
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
MAX/MIN 81 76 81 75 83
TEMP 76 76 79 80 81 79 78 77 77 76 79 80 81 81 78 77 76 75 80 83 83 81
DEWPT 74 73 74 74 74 74 75 74 74 74 74 74 74 75 75 75 74 74 74 74 74 74
MIN/MAX RH 80 91 77 96 75
RH 93 93 85 81 80 85 90 90 90 91 86 81 81 81 90 93 95 96 83 76 75 80
WIND DIR SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE
WIND SPD 14 13 14 16 14 17 16 13 14 13 13 14 13 14 11 9 9 10 9 9 10 11
HEAT INDEX 85 85 85 86 86 89 90 86
CLOUDS B2 B2 B2 B1 SC B2 B2 B2 B2 B2 B2 SC SC B1 B1 B1 B1 B1 SC SC SC SC
CLOUDS(%) 79 79 82 62 42 71 83 81 78 83 75 38 34 56 61 67 60 53 44 35 35 35
POP 12HR 5 10 10 10 10
QPF 12HR 0 0 0 0 0
OBVIS H H H H H H H H H H
LAL 1 1 1 1 1 1 1 1 1 1
HAINES 4 4 4 4 4 4 4 3 2 2
MIXING HGT 1800 2100 1500 800 1500 1600 1100 1200 1900 1900
T WIND DIR S SE SE S S S SE SE SE SE
T WIND SPD 26 25 27 28 25 20 18 16 17 18
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13 SUN 05/26/13
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MIN/MAX 75 81 75 81 74 81 74 81
TEMP 76 75 80 79 76 75 81 79 75 74 81 80 76 74 81 80
DEWPT 74 74 74 73 73 74 73 72 72 72 71 71 70 69 70 71
MAX/MIN RH 97 79 96 75 93 71 84 69
RH 94 97 80 83 92 96 77 79 90 93 71 76 83 84 69 74
PWIND DIR SE SE SE SE SE SE SE SE
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B1 SC B1 B1 B1 SC SC B1 B1 SC SC SC SC SC
POP 12HR 10 5 5 5 5 5 5 5
$$
TXZ234-202215-
VICTORIA RAWS-VICTORIA COUNTY TX
28.85N 96.92W ELEV. 23 FT
352 AM CDT MON MAY 20 2013
DATE MON 05/20/13 TUE 05/21/13 WED 05/22/13
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
MAX/MIN 90 76 90 74 88
TEMP 77 75 84 89 90 86 80 78 77 76 84 89 90 84 78 76 75 74 82 87 88 84
DEWPT 72 72 73 73 71 72 73 72 72 73 73 72 72 72 73 73 73 73 73 72 72 72
MIN/MAX RH 54 91 56 97 60
RH 86 91 69 59 54 63 79 82 86 91 69 58 56 68 84 90 95 97 73 62 60 67
WIND DIR SE SE S S SE SE SE SE SE SE S S SE SE SE SE SE SE SE S SE SE
WIND SPD 8 9 13 16 17 16 11 11 10 9 14 13 16 13 8 5 5 6 6 6 9 10
HEAT INDEX 91 97 97 93 84 91 96 97 90 88 94 95 89
CLOUDS B2 B2 B2 SC SC SC B2 B2 OV B2 B1 SC SC B1 B1 B1 B1 B1 SC SC SC SC
CLOUDS(%) 79 79 78 41 27 49 82 86 90 85 69 44 34 57 61 66 60 53 44 35 36 36
POP 12HR 5 10 10 20 20
QPF 12HR 0 0 0 0.02 0.02
RAIN SHWRS IS IS IS IS IS IS IS IS
TSTMS IS IS IS IS IS IS IS IS
OBVIS H H H H
LAL 1 1 1 1 1 1 2 2 2 2
HAINES 4 4 4 4 4 3 3 3 2 2
MIXING HGT 3400 3700 2600 1100 2600 3000 2000 1200 3100 3100
T WIND DIR S S S S S S SE SE SE SE
T WIND SPD 26 26 26 27 25 20 13 11 12 16
DATE THU 05/23/13 FRI 05/24/13 SAT 05/25/13 SUN 05/26/13
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MIN/MAX 73 88 73 89 72 89 70 89
TEMP 76 73 87 84 75 73 88 85 75 72 88 84 74 70 88 84
DEWPT 72 72 71 71 71 72 71 69 70 70 67 67 67 67 66 65
MAX/MIN RH 98 59 96 53 93 48 91 45
RH 89 98 61 66 87 96 57 61 85 93 50 57 80 91 48 53
PWIND DIR SE SE SE SE SE SE SE SE
WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B1 SC SC B1 B1 SC SC B1 SC SC SC SC SC SC
POP 12HR 10 5 5 5 5 5 5 5
$$
BELOW IS A WEATHER ELEMENT KEY FOR THIS PRODUCT
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 HUMIDITY
RH (%)..............................RELATIVE HUMIDITY
WIND DIR (8 POINT COMPASS)..........20 FT. WIND DIRECTION
WIND SPD (MPH)......................20 FT. WIND SPEED
WIND GUST (MPH).....................20 FT. WIND GUST
WIND CHILL..........................WIND CHILL TEMPERATURE
HEAT INDX...........................HEAT INDEX
CLOUDS (CAT)........................CLOUD COVER CATEGORY
EXAMPLE: CL = CLEAR; FW = FEW; SC = SCATTERED;
B1 = MOSTLY CLOUDY; B2 = CONSIDERABLE CLOUDS; OV = OVERCAST
CLOUDS (%)..........................CLOUD COVER AS A PERCENTAGE
POP 12HR (%)........................PROBABILITY FOR ACCUMULATING PRECIPITATION
QPF 12HR (IN).......................LIQUID EQUIVALENT PRECIPITATION AMOUNT
WEATHER...
TYPE...
RAIN...........RAIN
RAIN SHWRS.....RAIN SHOWERS
TSTMS..........THUNDERSTORMS
DRIZZLE........DRIZZLE
SNOW...........SNOW
SNOWSHWRS......SNOW SHOWERS
SLEET..........SLEET
FLURRIES.......FLURRIES
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
OBVIS...............................OBSTRUCTION TO VISIBILITY
TYPE...
F..............FOG
PF.............PATCHY FOG
F+.............DENSE FOG
H..............HAZE
BS.............BLOWING SNOW
K..............SMOKE
BD.............BLOWING DUST
AF.............VOLCANIC ASHFALL
LAL (CAT)...........................LIGHTNING ACTIVITY LEVEL
HAINES (CAT)........................HAINES INDEX
FREE WIND DIR (8 POINT COMPASS).....FREE WIND LEVEL DIRECTION
FREE WIND SPD (MPH).................FREE WIND LEVEL SPEED
MIXING HGT (FEET AGL)...............MIXING HEIGHT
T WIND DIR (8 POINT COMPASS)........TRANSPORT WIND DIRECTION
T WIND SPD (MPH)....................TRANSPORT WIND SPEED
SMOKE DISP (CAT(KT-FT)).............SMOKE DISPERSION CATEGORY
EXAMPLE: PR = POOR; FR = FAIR; GD = GOOD; VG = VERY GOOD; EX = EXCELLENT
WATCH/WARNING/ADVISORY...
EXAMPLE: W = WARNING; Y = ADVISORY; A = WATCH
IN EFFECT FOR THE INDICATED HOUR
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)......................20 FT. WIND SPEED
EXAMPLE: <15 = LESS THAN 15 MPH; 15> = 15 MPH OR GREATER
AVE CLOUDS (CAT)....................AVERAGE CLOUD COVER CATEGORY
POP 12HR (%)........................PROBABILITY FOR ACCUMULATING PRECIPITATION
WEATHER...
SEE DAY 1 THROUGH 3 WEATHER DESCRIPTIONS