UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100712.upa.cvt Date: 1200Z 7 OCT 25 Searching for X1873... Searching the city database file for: X1873 ... Date:1200Z 7 OCT 25 Station: X1873 WMO ident: 31873 Latitude: 45.87 Longitude: 133.73 ------------------------------------------------------------------------------- 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 1001 101 14.0 6.0 58 8.0 9.7 225 7 287.1 288.1 282.8 303.6 5.86 1 1000 109 13.8 5.8 58 8.0 9.6 225 7 287.0 288.0 282.7 303.3 5.78 2 927 742 8.8 3.9 71 4.9 6.3 220 47 288.1 289.1 282.8 303.6 5.46 3 925 760 8.8 4.0 72 4.8 6.3 220 48 288.3 289.3 283.0 304.0 5.51 4 898 1005 7.8 3.8 76 4.0 5.8 227 43 289.7 290.7 283.7 305.7 5.60 5 882 1153 7.6 2.7 71 4.9 5.1 231 40 291.0 291.9 283.9 306.2 5.27 6 850 1457 5.4 -0.6 65 6.0 2.6 240 33 291.8 292.6 283.1 304.3 4.30 7 775 2208 2.4 -10.6 38 13.0 -2.5 250 30 296.4 296.8 282.6 303.1 2.20 8 738 2601 -0.3 -7.3 59 7.0 -3.1 255 29 297.6 298.2 284.1 306.7 2.99 9 726 2732 -1.1 -7.1 64 6.0 -3.6 256 28 298.1 298.7 284.4 307.5 3.09 10 700 3022 -3.7 -10.7 58 7.0 -6.2 260 27 298.4 298.8 283.7 305.8 2.41 11 594 4295 -13.7 -16.9 77 3.2 -14.6 262 39 301.1 301.4 284.0 306.5 1.71 12 500 5580 -23.9 -27.7 71 3.8 -24.6 265 52 303.9 304.0 284.0 306.5 0.78 13 494 5668 -25.1 -29.0 70 3.9 -25.7 265 53 303.5 303.6 283.7 305.8 0.70 14 491 5712 -25.5 -29.5 69 4.0 -26.1 265 54 303.5 303.6 283.7 305.8 0.68 15 484 5817 -24.5 -29.5 63 5.0 -25.3 265 56 306.0 306.1 284.7 308.3 0.69 16 407 7058 -32.7 -45.7 26 13.0 -33.7 265 75 310.9 311.0 285.9 311.5 0.16 17 400 7180 -33.7 -46.7 26 13.0 -34.6 265 77 311.2 311.2 285.9 311.7 0.14 18 315 8814 -44.5 -57.5 22 13.0 -44.9 269 89 318.2 318.2 288.2 318.4 0.05 19 300 9140 -44.9 -58.9 19 14.0 -45.4 270 91 322.1 322.1 289.5 322.3 0.05 20 250 10350 -47.5 -62.5 16 15.0 -47.9 270 124 335.4 335.5 293.2 335.6 0.03 21 235 10759 -48.5 -63.5 16 15.0 -48.9 270 126 339.9 339.9 294.3 340.1 0.03 22 215 11341 -52.1 -67.1 15 15.0 -52.4 270 128 343.1 343.1 295.1 343.2 0.02 23 209 11524 -52.1 -67.5 14 15.4 -52.4 270 132 345.9 345.9 295.7 346.0 0.02 24 200 11810 -52.1 -68.1 13 16.0 -52.4 270 128 350.3 350.3 296.7 350.4 0.02 25 163 13130 -53.5 -69.5 13 16.0 -53.8 270 119 369.0 369.0 300.4 369.1 0.02 26 152 13576 -56.5 -72.5 12 16.0 -56.8 270 117 371.3 371.3 300.8 371.4 0.01 27 150 13660 -56.5 -72.5 12 16.0 -56.8 270 116 372.7 372.7 301.1 372.8 0.01 28 110 15627 -55.9 -72.9 10 17.0 -56.3 270 105 408.4 408.4 306.3 408.5 0.02 29 100 16230 -57.5 -74.5 10 17.0 -57.9 270 101 416.6 416.6 307.3 416.7 0.02 30 77 17860 -62.3 -79.3 9 17.0 -62.6 277 78 439.0 439.0 309.8 439.0 0.01 31 70 18450 -61.1 -79.1 8 18.0 -61.4 280 69 453.7 453.7 311.2 453.7 0.01 32 63 19105 -60.9 -78.9 8 18.0 -61.3 282 59 468.0 468.0 312.5 468.1 0.01 33 56 19851 -52.7 -71.7 8 19.0 -53.8 283 48 502.7 502.7 315.2 503.0 0.04 34 50 20580 -54.1 -73.1 8 19.0 -55.1 285 38 516.0 516.0 316.1 516.2 0.04 35 45 21252 -57.3 -75.3 8 18.0 -58.1 287 35 524.0 524.0 316.6 524.2 0.03 36 39 22156 -57.9 -76.9 7 19.0 -58.7 290 31 544.4 544.4 317.8 544.6 0.03 37 34 23037 -50.3 -70.3 8 20.0 -52.4 293 27 586.2 586.2 320.0 586.8 0.09 38 30 23850 -52.9 -72.9 7 20.0 -54.7 295 23 600.4 600.5 320.6 600.9 0.07 39 29 24068 -53.3 -73.3 7 20.0 -55.1 300 22 605.2 605.2 320.9 605.7 0.07 40 21 26155 -51.3 -72.3 6 21.0 -54.1 352 9 669.7 669.8 323.4 670.6 0.10 41 20 26470 -53.7 -73.7 7 20.0 -56.1 360 7 671.8 671.8 323.5 672.5 0.09 42 19 26800 -54.1 -74.1 7 20.0 -56.5 3 7 680.5 680.5 323.8 681.2 0.09 43 14 28783 -49.5 -70.5 7 21.0 -53.8 21 9 758.2 758.3 326.2 760.1 0.20 44 10 31000 -47.3 -69.3 6 22.0 -53.5 40 11 843.0 843.2 328.3 846.5 0.34 45 9.9 31066 -47.5 -69.5 6 22.0 -53.7 844.7 844.8 328.4 848.2 0.33 TRP 215 11341 -52.1 -67.1 15 15.0 -52.4 270 128 343.1 343.1 295.1 343.2 0.02 WND 209 11524 -52.1 -67.5 14 15.4 -52.4 270 132 345.9 345.9 295.7 346.0 0.02 Sounding variables and indices 1000-500 mb thick: 5471.00 m Freezing level: 742.11 mb = 2557.61 m = 8391.00 ft Wetbulb zero: 811.78 mb = 1830.98 m = 6007.07 ft Precipitable water: 0.66 inches Sfc-500 mean rel hum: 65.25 % Est. max temperature: 18.71 C = 65.68 F Sfc-Lift cond lev (LCL): 887.31 mb = 1103.86 m = 3621.53 ft T: 7.67 C 700-500 lapse rate: 7.90 C/km ThetaE index: 3.09 C Layer 850.0- 738.0 mb Conv cond level (CCL): 762.43 mb = 2339.41 m = 7675.15 ft Mean mixing ratio: 5.60 g/kg Conv temperature: 23.74 C = 74.73 F Cap Strength: 4.55 C Lifted Index: 2.45 C Risk: None Lifted Index @300 mb: 13.09 C Lifted Index @700 mb: 3.60 C Showalter Index: 2.10 C Risk: Showers probable Total Totals Index: 52.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.30 C Cross Totals Index: 23.30 C K Index: 21.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 267.83 Risk: None Energy Index: 0.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.13 J/kg Max Up Vert Vel: 4.03 m/s Conv Inhibition (B-): 52303.27 J/kg Cap Strength: 4.51 C Lift Cond Lev (LCL): 867.95 mb = 1285.31 m = 4216.85 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 283 at 28 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 1001 101 225 7 4.9 4.9 | 117 25 -22.3 11.4 1 1000 109 225 7 4.9 4.9 | 117 25 -22.3 11.4 2 925 760 220 48 30.9 36.8 | 185 43 3.6 43.3 3 850 1457 240 33 28.6 16.5 | 183 23 1.3 23.0 4 700 3022 260 27 26.6 4.7 | 176 11 -0.7 11.2 5 500 5580 265 52 51.8 4.5 | 246 27 24.5 11.0 6 400 7180 265 77 76.7 6.7 | 255 51 49.4 13.2 7 300 9140 270 91 91.0 -0.0 | 264 64 63.7 6.5 8 250 10350 270 124 124.0 -0.0 | 266 97 96.7 6.5 9 215 11341 270 128 128.0 -0.0 | 266 101 100.7 6.5 10 209 11524 270 132 132.0 -0.0 | 266 105 104.7 6.5 11 200 11810 270 128 128.0 -0.0 | 266 101 100.7 6.5 12 150 13660 270 116 116.0 -0.0 | 266 89 88.7 6.5 13 100 16230 270 101 101.0 -0.0 | 265 74 73.7 6.5 14 70 18450 280 69 68.0 -12.0 | 278 41 40.7 -5.5 15 50 20580 285 38 36.7 -9.8 | 290 10 9.4 -3.3 16 30 23850 295 23 20.8 -9.7 | 63 7 -6.4 -3.2 17 20 26470 360 7 -0.0 -7.0 | 89 27 -27.3 -0.5 18 10 31000 40 11 -7.1 -8.4 | 87 34 -34.3 -1.9 Wind Parameters Mean winds (0-6000m): 253.4 at 37.4 knts Storm direction: 283.4 at 28.0 knts Shear (0-3000m) pos: 4.1 neg: 5.3 tot: 9.4 10-3/s Storm rel Dir Shear (0-3000m): 63.3 deg Storm rel helicity (0-3000m) pos: 269.1 neg: -16.2 tot: 252.8 m^2/s^2 ave: 84.3 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 12.4 stream: 5.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.13 Bulk Shear: 62.92 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 ------------------------------------------------------------------------------- 500 222 22 152 26| 0.0 31.9 31.9|194.8 0.0 194.8 389.6 0.89| 32.0 28.3 1000 222 33 171 31| 3.3 15.9 19.3|266.2 0.0 266.2 266.2 0.70| 25.5 17.8 1500 227 34 175 30| 4.7 10.6 15.3|266.6 -10.2 256.4 170.9 0.54| 20.9 11.4 2000 231 33 177 28| 4.5 8.0 12.5|267.0 -10.6 256.4 128.2 0.51| 16.7 8.5 2500 235 33 178 25| 4.3 6.4 10.7|267.0 -13.0 253.9 101.6 0.47| 14.1 6.7 3000 238 32 179 23| 4.1 5.3 9.4|269.1 -16.2 252.8 84.3 0.45| 12.4 5.5 4000 244 32 184 21| 3.4 4.0 7.4|298.6 -16.2 282.3 70.6 0.50| 10.6 5.3 5000 249 34 194 19| 3.3 3.2 6.5|330.0 -16.2 313.7 62.7 0.51| 9.5 4.9 6000 253 37 206 19| 3.1 3.2 6.3|365.2 -16.2 349.0 58.2 0.50| 9.0 4.5 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20251007.12.gif