UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for X2477... Searching the city database file for: X2477 ... Date:1200Z 5 DEC 25 Station: X2477 WMO ident: 32477 Latitude: 54.30 Longitude: 155.93 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 -86 SFC 986 26 -3.5 -5.1 89 1.6 -4.1 175 5 270.7 271.2 269.9 277.9 2.65 2 925 528 -6.5 -9.2 81 2.7 -7.3 220 23 272.7 273.0 270.1 278.4 2.06 3 850 1182 -11.7 -14.2 82 2.5 -12.3 220 27 273.9 274.1 270.0 278.1 1.50 4 778 1855 -15.9 -18.7 79 2.8 -16.5 215 28 276.4 276.6 270.9 279.7 1.12 5 725 2381 -21.3 -24.5 75 3.2 -21.8 212 29 276.1 276.2 270.1 278.3 0.72 6 700 2639 -23.5 -27.5 70 4.0 -24.0 210 29 276.5 276.6 270.0 278.2 0.57 7 589 3874 -33.5 -37.5 67 4.0 -33.8 205 23 278.8 278.9 270.9 279.6 0.26 8 537 4522 -33.3 -37.9 63 4.6 -33.7 202 20 286.5 286.6 275.3 287.4 0.27 9 500 5020 -36.1 -40.2 66 4.1 -36.4 200 17 289.0 289.1 276.6 289.8 0.23 10 488 5188 -37.3 -41.6 64 4.3 -37.6 193 15 289.6 289.6 276.8 290.2 0.20 11 400 6530 -48.7 -52.7 63 4.0 -48.8 140 3 291.7 291.7 277.6 291.9 0.07 12 385 6782 -50.5 -54.3 64 3.8 -50.6 142 5 292.5 292.5 278.0 292.8 0.06 13 323 7922 -54.9 -58.8 62 3.9 -54.9 150 13 301.5 301.5 282.0 301.7 0.04 14 300 8400 -51.3 -55.0 65 3.7 -51.4 150 25 313.0 313.1 286.5 313.3 0.07 15 260 9339 -45.5 -49.9 61 4.4 -45.7 166 28 334.6 334.7 293.1 335.3 0.15 16 250 9600 -45.3 -50.1 58 4.8 -45.6 170 29 338.7 338.8 294.1 339.3 0.16 17 200 11090 -45.9 -52.9 45 7.0 -46.3 160 33 360.1 360.1 298.8 360.7 0.14 18 150 13000 -45.3 -54.3 36 9.0 -46.0 175 35 392.0 392.0 304.2 392.8 0.16 19 135 13702 -46.5 -56.5 31 10.0 -47.2 179 35 401.9 401.9 305.5 402.5 0.14 20 100 15690 -48.1 -59.1 27 11.0 -48.9 190 35 434.8 434.8 309.4 435.5 0.13 21 92 16241 -45.3 -57.3 25 12.0 -46.5 189 40 450.8 450.9 311.0 451.8 0.18 22 77 17416 -49.3 -60.3 27 11.0 -50.2 186 50 466.0 466.1 312.4 466.9 0.15 23 70 18040 -48.7 -60.7 24 12.0 -49.8 185 56 480.2 480.2 313.5 481.1 0.15 24 69 18135 -48.7 -60.7 24 12.0 -49.8 185 55 482.2 482.2 313.7 483.1 0.16 25 53 19882 -45.7 -57.7 25 12.0 -47.5 185 39 526.9 527.0 316.9 528.8 0.30 26 50 20270 -46.7 -58.7 24 12.0 -48.4 185 36 533.4 533.5 317.2 535.2 0.28 27 43 21267 -46.9 -58.9 24 12.0 -48.8 185 38 556.4 556.5 318.6 558.6 0.32 28 37 22245 -54.1 -66.1 22 12.0 -55.2 185 41 562.4 562.4 318.8 563.4 0.14 29 31 23394 -47.7 -59.7 24 12.0 -50.0 185 43 608.9 609.0 321.2 611.8 0.40 30 30 23610 -48.9 -60.9 23 12.0 -51.1 185 44 611.3 611.5 321.2 614.0 0.35 31 23 25342 -52.9 -64.9 22 12.0 -54.8 188 34 647.8 647.9 322.7 650.0 0.27 32 20 26250 -50.3 -63.3 20 13.0 -52.9 190 29 682.2 682.4 324.0 685.5 0.38 33 18 26936 -51.5 -63.5 23 12.0 -54.0 699.3 699.5 324.5 702.9 0.42 34 16 27704 -49.5 -62.5 20 13.0 -52.8 729.8 730.0 325.5 734.6 0.53 35 15 28123 -53.1 -65.1 22 12.0 -55.6 731.4 731.6 325.5 735.1 0.40 36 12 29581 -47.3 -60.3 21 13.0 -51.8 800.2 800.6 327.5 809.6 0.95 TRP 323 7922 -54.9 -58.8 62 3.9 -54.9 150 13 301.5 301.5 282.0 301.7 0.04 WND Sounding variables and indices 1000-500 mb thick: 5106.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 73.41 % Est. max temperature: 0.11 C = 32.20 F Sfc-Lift cond lev (LCL): 961.32 mb = 225.01 m = 738.21 ft T: -4.69 C 700-500 lapse rate: 5.29 C/km ThetaE index: 1.48 C Layer 725.0- 589.0 mb Conv cond level (CCL): 887.50 mb = 848.09 m = 2782.41 ft Mean mixing ratio: 2.17 g/kg Conv temperature: -0.98 C = 30.24 F Cap Strength: 7.52 C Lifted Index: 9.23 C Risk: None Lifted Index @300 mb: 24.71 C Lifted Index @700 mb: 0.50 C Showalter Index: 9.29 C Risk: None Total Totals Index: 46.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.40 C Cross Totals Index: 21.90 C K Index: 6.20 Risk: None Sweat Index: 71.00 Risk: None Energy Index: 2.34 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.51 J/kg Max Up Vert Vel: 4.36 m/s Conv Inhibition (B-): 59913.75 J/kg Cap Strength: 9.14 C Lift Cond Lev (LCL): 901.85 mb = 724.03 m = 2375.39 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 239 at 16 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 986 26 175 5 -0.4 5.0 | 77 15 -14.5 -3.4 1 925 528 220 23 14.8 17.6 | 185 9 0.7 9.2 2 850 1182 220 27 17.4 20.7 | 195 13 3.3 12.3 3 700 2639 210 29 14.5 25.1 | 182 17 0.4 16.7 4 500 5020 200 17 5.8 16.0 | 133 11 -8.2 7.6 5 400 6530 140 3 -1.9 2.3 | 69 17 -16.0 -6.1 6 323 7922 150 13 -6.5 11.3 | 98 21 -20.6 2.9 7 300 8400 150 25 -12.5 21.7 | 117 30 -26.6 13.2 8 250 9600 170 29 -5.0 28.6 | 137 28 -19.1 20.2 9 200 11090 160 33 -11.3 31.0 | 132 34 -25.3 22.6 10 150 13000 175 35 -3.1 34.9 | 147 32 -17.1 26.5 11 100 15690 190 35 6.1 34.5 | 163 27 -8.0 26.1 12 70 18040 185 56 4.9 55.8 | 169 48 -9.2 47.4 13 50 20270 185 36 3.1 35.9 | 158 30 -10.9 27.5 14 30 23610 185 44 3.8 43.8 | 164 37 -10.2 35.4 15 20 26250 190 29 5.0 28.6 | 156 22 -9.0 20.2 Wind Parameters Mean winds (0-6000m): 209.1 at 21.8 knts Storm direction: 239.1 at 16.4 knts Shear (0-3000m) pos: 3.9 neg: 0.9 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 98.8 deg Storm rel helicity (0-3000m) pos: 63.8 neg: -20.2 tot: 43.6 m^2/s^2 ave: 14.5 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 3.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.14 Bulk Shear: 8.34 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 212 14 117 7| 20.2 0.0 20.2| 58.1 0.0 58.1 116.3 0.95| 22.0 20.9 1000 217 19 161 7| 11.7 0.0 11.7| 62.8 0.0 62.8 62.8 0.90| 12.6 11.3 1500 218 22 176 9| 7.8 0.6 8.4| 63.8 -2.5 61.3 40.9 0.81| 9.1 7.4 2000 217 23 181 10| 5.9 0.9 6.7| 63.8 -6.9 56.9 28.4 0.72| 7.3 5.2 2500 216 24 182 11| 4.7 1.1 5.8| 63.8 -11.9 51.9 20.8 0.64| 6.2 4.0 3000 215 25 181 12| 3.9 0.9 4.8| 63.8 -20.2 43.6 14.5 0.53| 5.6 3.0 4000 213 25 178 13| 2.9 1.0 3.9| 63.8 -37.2 26.6 6.7 0.33| 4.9 1.6 5000 211 24 172 12| 2.3 1.2 3.5| 63.8 -52.9 10.9 2.2 0.18| 4.5 0.8 6000 209 22 162 11| 2.0 2.0 3.9| 63.8 -95.9 -32.1 -5.3 -0.07| 4.8 -0.3 Wrote GIF file: /home/apache/climate/data/raob//X2477/skewt/X2477.skewt.20251205.12.gif