UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for X1977... Searching the city database file for: X1977 ... Date:0000Z 18 OCT 25 Station: X1977 WMO ident: 31977 Latitude: 43.27 Longitude: 132.05 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1015 90 2.4 -2.3 71 4.7 0.5 20 9 274.4 274.9 272.9 283.1 3.18 1 1000 210 1.4 -4.6 64 6.0 -0.8 360 17 274.5 275.0 272.3 282.0 2.71 2 931 781 -2.5 -7.5 68 5.0 -4.2 342 32 276.2 276.6 272.8 282.8 2.33 3 925 832 -4.1 -9.1 68 5.0 -5.7 340 33 275.1 275.5 271.7 280.9 2.07 4 920 875 -4.7 -9.6 69 4.9 -6.2 343 33 274.9 275.3 271.5 280.5 2.00 5 892 1117 -5.7 -10.0 72 4.3 -7.0 359 36 276.3 276.7 272.3 282.0 2.00 6 887 1161 -7.7 -11.9 72 4.2 -8.9 2 36 274.7 275.0 270.9 279.6 1.73 7 850 1491 -8.9 -12.6 75 3.7 -9.9 25 40 276.8 277.1 272.1 281.7 1.71 8 818 1787 -10.9 -14.0 78 3.1 -11.7 1 40 277.8 278.0 272.5 282.3 1.58 9 811 1853 -8.3 -11.6 77 3.3 -9.3 356 40 281.2 281.5 275.0 286.8 1.94 10 810 1863 -7.5 -10.9 77 3.4 -8.5 355 40 282.2 282.5 275.7 288.1 2.05 11 797 1989 -5.9 -12.9 58 7.0 -8.0 345 39 285.2 285.5 276.9 290.4 1.78 12 785 2109 -1.7 -15.7 33 14.0 -6.0 336 39 290.9 291.2 279.2 295.3 1.43 13 778 2180 -1.3 -19.3 24 18.0 -6.4 330 39 292.1 292.3 279.3 295.4 1.07 14 744 2536 -0.5 -30.5 8 30.0 -7.2 303 39 296.7 296.8 280.5 298.1 0.41 15 700 3021 -3.1 -33.1 8 30.0 -9.3 265 38 299.1 299.1 281.4 300.2 0.34 16 654 3556 -6.7 -35.7 8 29.0 -12.1 262 44 300.9 300.9 282.1 301.8 0.28 17 546 4951 -12.3 -39.3 9 27.0 -16.7 254 60 310.1 310.2 285.7 311.0 0.23 18 500 5620 -15.9 -43.9 7 28.0 -19.7 250 68 313.7 313.7 286.8 314.2 0.16 19 400 7260 -26.1 -48.1 11 22.0 -28.2 250 89 321.1 321.1 289.2 321.5 0.12 20 387 7499 -27.5 -49.5 10 22.0 -29.5 249 92 322.3 322.3 289.6 322.7 0.11 21 354 8139 -29.1 -51.1 10 22.0 -31.0 248 99 328.4 328.5 291.4 328.8 0.10 22 302 9254 -38.3 -58.3 10 20.0 -39.3 245 111 330.8 330.8 292.0 331.0 0.05 23 300 9300 -38.5 -58.5 10 20.0 -39.5 245 112 331.1 331.1 292.0 331.3 0.05 24 270 10021 -40.3 -60.3 10 20.0 -41.2 248 121 338.6 338.6 294.0 338.8 0.04 25 257 10355 -43.7 -62.7 10 19.0 -44.4 249 126 338.4 338.4 294.0 338.5 0.03 26 250 10540 -44.3 -63.3 10 19.0 -45.0 250 128 340.2 340.2 294.4 340.3 0.03 27 228 11150 -46.5 -65.5 10 19.0 -47.1 248 135 345.9 345.9 295.7 346.0 0.03 28 226 11207 -48.9 -67.9 9 19.0 -49.4 248 136 343.1 343.1 295.1 343.2 0.02 29 219 11413 -48.9 -67.9 9 19.0 -49.4 247 138 346.2 346.2 295.8 346.3 0.02 30 200 12000 -52.3 -70.4 10 18.1 -52.7 245 145 349.9 349.9 296.6 350.0 0.01 31 199 12032 -52.5 -70.5 10 18.0 -52.8 245 145 350.1 350.1 296.7 350.2 0.01 32 177 12787 -54.7 -72.7 9 18.0 -55.0 249 137 358.5 358.5 298.4 358.5 0.01 33 170 13045 -56.3 -74.3 9 18.0 -56.6 251 134 360.0 360.0 298.7 360.0 0.01 34 153 13715 -56.9 -74.9 9 18.0 -57.2 254 127 369.9 369.9 300.5 370.0 0.01 35 150 13840 -57.5 -74.5 10 17.0 -57.8 255 126 371.0 371.0 300.8 371.1 0.01 36 133 14591 -60.9 -78.9 8 18.0 -61.1 255 114 377.9 377.9 301.9 378.0 0.01 37 124 15026 -60.3 -78.3 8 18.0 -60.5 256 105 386.7 386.7 303.3 386.7 0.01 38 100 16360 -61.3 -79.3 7 18.0 -61.6 260 77 409.3 409.3 306.4 409.3 0.01 39 93 16811 -61.7 -79.7 7 18.0 -61.9 263 70 417.1 417.1 307.4 417.1 0.01 40 88 17156 -57.9 -75.9 8 18.0 -58.3 265 65 431.3 431.3 309.0 431.4 0.01 41 81 17675 -61.5 -79.5 7 18.0 -61.8 269 58 434.3 434.3 309.3 434.3 0.01 42 73 18320 -62.1 -80.1 7 18.0 -62.4 273 48 446.1 446.1 310.5 446.2 0.01 43 70 18580 -61.3 -79.3 7 18.0 -61.6 275 44 453.2 453.2 311.1 453.3 0.01 44 54 20198 -58.3 -77.3 7 19.0 -58.9 260 31 495.1 495.1 314.6 495.2 0.02 45 50 20680 -59.7 -78.7 7 19.0 -60.3 255 27 502.8 502.8 315.1 502.9 0.02 46 44 21482 -59.3 -78.3 7 19.0 -60.0 259 25 522.5 522.5 316.5 522.6 0.02 47 38 22413 -54.7 -74.7 7 20.0 -55.9 263 24 556.6 556.6 318.5 556.9 0.04 48 33 23318 -54.1 -74.1 7 20.0 -55.6 267 22 581.1 581.1 319.8 581.5 0.05 49 30 23930 -54.9 -74.9 7 20.0 -56.4 270 21 595.0 595.0 320.4 595.3 0.05 50 27 24603 -56.3 -77.3 5 21.0 -57.8 269 18 609.2 609.3 321.0 609.5 0.04 51 20 26530 -52.3 -74.3 5 22.0 -55.0 265 11 676.1 676.1 323.7 676.8 0.08 52 12 29800 -56.9 -78.9 5 22.0 -59.5 766.1 766.2 326.4 766.8 0.07 53 10 30963 -53.9 -76.9 4 23.0 -57.8 818.4 818.4 327.7 819.4 0.11 TRP 133 14591 -60.9 -78.9 8 18.0 -61.1 255 114 377.9 377.9 301.9 378.0 0.01 WND 200 12000 -52.3 -70.4 10 18.1 -52.7 245 145 349.9 349.9 296.6 350.0 0.01 Sounding variables and indices 1000-500 mb thick: 5410.00 m Freezing level: 975.23 mb = 414.94 m = 1361.32 ft Wetbulb zero: 1008.91 mb = 138.53 m = 454.49 ft Precipitable water: 0.24 inches Sfc-500 mean rel hum: 30.90 % Est. max temperature: 3.98 C = 39.17 F Sfc-Lift cond lev (LCL): 943.58 mb = 673.73 m = 2210.37 ft T: -1.77 C 700-500 lapse rate: 4.92 C/km ThetaE index: 2.40 C Layer 887.0- 850.0 mb Conv cond level (CCL): 888.31 mb = 1149.29 m = 3770.59 ft Mean mixing ratio: 2.51 g/kg Conv temperature: 3.16 C = 37.69 F Cap Strength: 24.30 C Lifted Index: 26.27 C Risk: None Lifted Index @300 mb: 34.66 C Lifted Index @700 mb: 17.92 C Showalter Index: 26.68 C Risk: None Total Totals Index: 10.30 C Risk: None Vertical Totals Index: 7.00 C Cross Totals Index: 3.30 C K Index: -35.60 Risk: None Sweat Index: 148.00 Risk: None Energy Index: 7.02 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.97 J/kg Max Up Vert Vel: 3.15 m/s Conv Inhibition (B-): 7.52 J/kg Cap Strength: 25.99 C Lift Cond Lev (LCL): 886.65 mb = 1163.86 m = 3818.40 ft Lev Free Conv (LFC): 881.65 mb = 1207.69 m = 3962.18 ft Equ Level (EL): 861.65 mb = 1385.52 m = 4545.62 ft B at Equ Level: 4.03 J/kg Max Parcel Lev (MPL): 841.65 mb = 1567.15 m = 5141.50 ft Wind level data Storm motion: 305 at 34 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 1015 90 20 9 -3.1 -8.5 | 110 33 -30.8 11.3 1 1000 210 360 17 -0.0 -17.0 | 96 28 -27.8 2.7 2 925 832 340 33 11.3 -31.0 | 56 20 -16.5 -11.3 3 850 1491 25 40 -16.9 -36.3 | 70 48 -44.7 -16.5 4 700 3021 265 38 37.9 3.3 | 204 25 10.1 23.0 5 500 5620 250 68 63.9 23.3 | 220 56 36.1 43.0 6 400 7260 250 89 83.6 30.4 | 228 75 55.9 50.2 7 300 9300 245 112 101.5 47.3 | 228 100 73.7 67.1 8 250 10540 250 128 120.3 43.8 | 236 112 92.5 63.5 9 200 12000 245 145 131.4 61.3 | 232 132 103.7 81.0 10 150 13840 255 126 121.7 32.6 | 241 108 94.0 52.3 11 133 14591 255 114 110.1 29.5 | 239 96 82.4 49.2 12 100 16360 260 77 75.8 13.4 | 235 58 48.1 33.1 13 70 18580 275 44 43.8 -3.8 | 225 23 16.1 15.9 14 50 20680 255 27 26.1 7.0 | 176 27 -1.7 26.7 15 30 23930 270 21 21.0 -0.0 | 161 21 -6.8 19.7 16 20 26530 265 11 11.0 1.0 | 141 27 -16.8 20.7 Wind Parameters Mean winds (0-6000m): 275.4 at 45.4 knts Storm direction: 305.4 at 34.1 knts Shear (0-3000m) pos: 3.6 neg: 11.0 tot: 14.6 10-3/s Storm rel Dir Shear (0-3000m): 94.9 deg Storm rel helicity (0-3000m) pos: 90.8 neg: -426.0 tot: -335.2 m^2/s^2 ave: -111.7 10^-3 m/s^2 rel: -0.46 Storm rel vorticity (0-3000m) horiz: 23.7 stream: -11.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.02 Bulk Shear: 280.55 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 ------------------------------------------------------------------------------- 500 355 20 90 26| 0.0 20.3 20.3| 0.0-126.8-126.8 -253.6 -0.87| 20.6-17.9 1000 349 26 76 23| 5.4 10.2 15.5| 10.0-165.6-155.6 -155.6 -0.62| 19.0-11.7 1500 360 30 69 30| 7.3 6.8 14.0| 90.8-209.2-118.4 -78.9 -0.31| 20.9 -6.5 2000 359 32 65 30| 5.4 10.0 15.4| 90.8-340.6-249.9 -124.9 -0.39| 22.6 -8.7 2500 351 34 59 26| 4.4 11.2 15.5| 90.8-383.3-292.5 -117.0 -0.46| 23.7-10.8 3000 343 35 53 22| 3.6 11.0 14.6| 90.8-426.0-335.2 -111.7 -0.46| 23.7-11.0 4000 314 37 10 6| 2.7 9.8 12.5|138.5-426.0-287.5 -71.9 -0.39| 19.4 -7.5 5000 290 41 241 12| 2.2 9.1 11.3|166.3-426.0-259.6 -51.9 -0.34| 16.8 -5.7 6000 275 45 228 23| 1.8 8.7 10.5|214.2-426.0-211.7 -35.3 -0.30| 15.1 -4.5 Wrote GIF file: /home/apache/climate/data/raob//X1977/skewt/X1977.skewt.20251018.00.gif