UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120500.upa.cvt Date: 0000Z 5 DEC 25 Searching for X1873... Searching the city database file for: X1873 ... Date:0000Z 5 DEC 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 1003 103 -15.5 -22.5 55 7.0 -16.6 225 7 257.4 257.5 256.4 259.1 0.63 1 1000 126 -15.3 -22.3 55 7.0 -16.4 225 9 257.9 258.0 256.8 259.6 0.64 2 952 497 -14.9 -22.9 50 8.0 -16.2 250 18 261.9 262.0 260.0 263.7 0.64 3 925 714 -15.9 -23.9 50 8.0 -17.1 265 23 263.1 263.1 260.8 264.7 0.60 4 910 837 -16.9 -24.9 50 8.0 -18.1 272 24 263.3 263.3 260.9 264.8 0.56 5 871 1166 -16.5 -24.5 50 8.0 -17.7 290 26 267.0 267.1 263.7 268.7 0.60 6 850 1349 -18.1 -26.1 50 8.0 -19.3 300 27 267.2 267.3 263.7 268.7 0.53 7 830 1526 -19.5 -27.5 49 8.0 -20.5 298 29 267.5 267.6 263.9 268.9 0.48 8 787 1922 -18.3 -27.3 45 9.0 -19.6 294 34 272.9 273.0 267.7 274.5 0.52 9 700 2790 -21.9 -32.9 36 11.0 -23.2 285 44 278.2 278.3 270.7 279.3 0.34 10 683 2971 -22.3 -34.3 33 12.0 -23.7 287 45 279.7 279.8 271.5 280.7 0.31 11 588 4054 -29.7 -36.7 51 7.0 -30.3 301 51 283.4 283.4 273.6 284.3 0.28 12 556 4452 -30.3 -36.3 56 6.0 -30.9 306 54 287.2 287.3 275.7 288.2 0.31 13 500 5200 -34.9 -41.9 49 7.0 -35.4 315 58 290.5 290.5 277.2 291.1 0.19 14 486 5397 -35.5 -42.5 49 7.0 -36.0 316 59 292.1 292.2 278.0 292.7 0.19 15 400 6720 -45.1 -52.1 45 7.0 -45.3 320 64 296.4 296.4 279.8 296.7 0.08 16 359 7437 -49.7 -56.7 44 7.0 -49.8 320 66 299.6 299.6 281.2 299.7 0.05 17 339 7811 -52.1 -59.1 43 7.0 -52.2 320 62 301.2 301.2 281.9 301.3 0.04 18 300 8600 -54.1 -62.1 37 8.0 -54.2 320 54 309.1 309.1 285.0 309.2 0.03 19 292 8772 -54.7 -62.7 37 8.0 -54.8 315 52 310.6 310.6 285.6 310.7 0.03 20 275 9152 -55.1 -63.1 36 8.0 -55.2 311 52 315.4 315.4 287.3 315.5 0.03 21 250 9760 -52.7 -61.7 33 9.0 -52.9 305 52 327.7 327.7 291.1 327.9 0.04 22 245 9891 -51.7 -60.7 33 9.0 -51.9 304 51 331.1 331.1 292.0 331.3 0.04 23 228 10356 -55.1 -64.1 32 9.0 -55.3 301 48 332.8 332.8 292.5 332.9 0.03 24 200 11200 -52.9 -62.9 29 10.0 -53.2 295 42 349.0 349.0 296.4 349.2 0.04 25 150 13060 -49.1 -63.1 18 14.0 -49.7 290 60 385.5 385.5 303.2 385.7 0.05 26 144 13328 -48.9 -62.9 18 14.0 -49.5 289 59 390.3 390.4 303.9 390.6 0.06 27 100 15700 -52.9 -69.9 11 17.0 -53.5 280 48 425.5 425.5 308.4 425.7 0.03 28 77 17378 -54.9 -72.9 9 18.0 -55.5 265 42 454.4 454.4 311.3 454.5 0.03 29 70 17990 -52.5 -71.5 8 19.0 -53.4 260 40 472.1 472.1 312.8 472.3 0.04 30 69 18083 -52.3 -71.3 8 19.0 -53.2 260 39 474.4 474.5 313.0 474.7 0.04 31 51 20033 -55.1 -74.1 8 19.0 -56.0 265 26 510.7 510.7 315.7 510.9 0.03 32 50 20160 -54.5 -74.5 7 20.0 -55.5 265 25 515.0 515.1 316.0 515.2 0.03 33 46 20698 -50.9 -70.9 8 20.0 -52.5 261 27 536.2 536.2 317.3 536.5 0.06 34 40 21598 -55.3 -75.3 7 20.0 -56.4 254 31 547.0 547.0 317.9 547.2 0.03 35 40 21598 -53.3 -73.3 7 20.0 -54.7 254 31 552.0 552.0 318.2 552.3 0.05 36 33 22837 -52.9 -73.9 6 21.0 -54.6 245 36 584.3 584.3 319.9 584.7 0.05 37 30 23460 -46.7 -68.7 6 22.0 -49.9 240 38 617.3 617.4 321.4 618.3 0.12 38 27 24155 -49.5 -71.5 6 22.0 -52.2 628.3 628.4 321.9 629.1 0.09 39 25 24664 -44.5 -67.5 6 23.0 -48.8 656.7 656.8 323.0 658.1 0.17 40 22 25520 -44.5 -68.5 5 24.0 -49.3 681.1 681.2 323.9 682.6 0.17 TRP 292 8772 -54.7 -62.7 37 8.0 -54.8 315 52 310.6 310.6 285.6 310.7 0.03 WND 359 7437 -49.7 -56.7 44 7.0 -49.8 320 66 299.6 299.6 281.2 299.7 0.05 Sounding variables and indices 1000-500 mb thick: 5074.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 46.68 % Est. max temperature: -5.76 C = 21.63 F Sfc-Lift cond lev (LCL): 894.65 mb = 964.81 m = 3165.36 ft T: -16.74 C 700-500 lapse rate: 5.39 C/km ThetaE index: 0.00 C Layer 1003.0- -0.0 mb Conv cond level (CCL): 605.81 mb = 3838.24 m = 12592.49 ft Mean mixing ratio: 0.62 g/kg Conv temperature: 9.77 C = 49.58 F Cap Strength: 20.66 C Lifted Index: 22.62 C Risk: None Lifted Index @300 mb: 32.66 C Lifted Index @700 mb: 14.35 C Showalter Index: 17.99 C Risk: None Total Totals Index: 25.60 C Risk: None Vertical Totals Index: 16.80 C Cross Totals Index: 8.80 C K Index: -20.30 Risk: None Sweat Index: 112.00 Risk: None Energy Index: 4.75 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.38 J/kg Max Up Vert Vel: 6.84 m/s Conv Inhibition (B-): 56866.35 J/kg Cap Strength: 22.31 C Lift Cond Lev (LCL): 838.64 mb = 1449.20 m = 4754.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 330 at 32 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 1003 103 225 7 4.9 4.9 | 162 34 -10.8 32.7 1 1000 126 225 9 6.4 6.4 | 165 35 -9.4 34.1 2 925 714 265 23 22.9 2.0 | 194 31 7.1 29.7 3 850 1349 300 27 23.4 -13.5 | 208 16 7.6 14.2 4 700 2790 285 44 42.5 -11.4 | 239 31 26.7 16.4 5 500 5200 315 58 41.0 -41.0 | 298 29 25.2 -13.3 6 400 6720 320 64 41.1 -49.0 | 310 33 25.4 -21.3 7 359 7437 320 66 42.4 -50.6 | 311 35 26.7 -22.8 8 300 8600 320 54 34.7 -41.4 | 306 23 18.9 -13.6 9 292 8772 315 52 36.8 -36.8 | 293 23 21.0 -9.0 10 250 9760 305 52 42.6 -29.8 | 274 27 26.8 -2.1 11 200 11200 295 42 38.1 -17.7 | 246 24 22.3 10.0 12 150 13060 290 60 56.4 -20.5 | 260 41 40.6 7.2 13 100 15700 280 48 47.3 -8.3 | 238 37 31.5 19.4 14 70 17990 260 40 39.4 6.9 | 214 42 23.6 34.7 15 50 20160 265 25 24.9 2.2 | 197 31 9.1 29.9 16 30 23460 240 38 32.9 19.0 | 200 50 17.1 46.7 Wind Parameters Mean winds (0-6000m): 300.4 at 42.5 knts Storm direction: 330.4 at 31.9 knts Shear (0-3000m) pos: 5.7 neg: 2.3 tot: 8.0 10-3/s Storm rel Dir Shear (0-3000m): 83.3 deg Storm rel helicity (0-3000m) pos: 297.2 neg: 0.0 tot: 297.2 m^2/s^2 ave: 99.1 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 9.9 stream: 6.7 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.14 Bulk Shear: 170.10 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 ------------------------------------------------------------------------------- 500 247 14 176 33| 15.4 0.0 15.4|140.5 0.0 140.5 280.9 0.96| 16.5 15.9 1000 265 19 186 30| 11.8 0.0 11.8|199.5 0.0 199.5 199.5 0.79| 15.1 11.9 1500 278 22 193 25| 9.8 0.0 9.8|221.7 0.0 221.7 147.8 0.73| 13.1 9.5 2000 284 25 200 23| 7.4 1.7 9.1|245.1 0.0 245.1 122.5 0.72| 11.6 8.3 2500 285 27 208 23| 5.9 2.8 8.7|263.8 0.0 263.8 105.5 0.68| 10.7 7.2 3000 285 30 214 24| 5.7 2.3 8.0|297.2 0.0 297.2 99.1 0.68| 9.9 6.7 4000 289 35 226 24| 5.4 1.7 7.2|389.1 0.0 389.1 97.3 0.73| 9.0 6.6 5000 295 39 240 23| 5.3 1.4 6.7|487.1 0.0 487.1 97.4 0.77| 8.6 6.6 6000 300 43 253 22| 4.9 1.2 6.0|527.9 0.0 527.9 88.0 0.78| 7.6 6.0 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20251205.00.gif