UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for X1873... Searching the city database file for: X1873 ... Date:1200Z 8 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 1008 105 -7.5 -13.5 62 6.0 -9.0 270 5 265.0 265.3 263.7 268.7 1.34 1 1000 167 -8.1 -14.1 62 6.0 -9.5 270 7 265.0 265.3 263.6 268.6 1.28 2 925 767 -12.9 -16.9 72 4.0 -13.7 295 21 266.1 266.3 264.0 269.2 1.10 3 850 1405 -17.5 -20.0 81 2.5 -18.0 295 15 267.8 268.0 264.9 270.4 0.92 4 788 1967 -21.9 -24.1 82 2.2 -22.2 285 16 269.0 269.1 265.3 271.0 0.69 5 764 2195 -22.1 -24.2 83 2.1 -22.4 281 16 271.1 271.3 266.8 273.2 0.71 6 748 2350 -23.5 -25.4 84 1.9 -23.8 279 16 271.3 271.4 266.8 273.2 0.65 7 700 2832 -26.3 -29.3 76 3.0 -26.6 270 17 273.4 273.4 267.9 274.8 0.48 8 618 3721 -31.7 -38.7 50 7.0 -32.2 272 18 277.1 277.1 269.8 277.8 0.22 9 583 4130 -34.9 -43.9 39 9.0 -35.4 273 19 278.0 278.0 270.2 278.4 0.13 10 501 5167 -43.5 -50.5 46 7.0 -43.7 275 21 279.8 279.9 271.2 280.1 0.07 11 500 5180 -43.5 -50.5 46 7.0 -43.7 275 21 280.0 280.0 271.3 280.3 0.07 12 457 5784 -44.5 -51.5 46 7.0 -44.7 277 29 286.0 286.1 274.7 286.3 0.07 13 400 6670 -48.5 -56.5 39 8.0 -48.7 280 40 292.0 292.0 277.7 292.1 0.05 14 375 7092 -50.5 -58.5 38 8.0 -50.7 285 44 294.7 294.8 279.0 294.9 0.04 15 318 8163 -50.9 -59.9 34 9.0 -51.1 281 50 308.4 308.4 284.8 308.6 0.04 16 300 8540 -52.5 -61.5 33 9.0 -52.7 280 52 311.3 311.4 285.8 311.5 0.03 17 290 8760 -52.9 -62.9 29 10.0 -53.1 278 53 313.8 313.8 286.7 313.9 0.03 18 250 9730 -49.7 -59.7 30 10.0 -50.0 270 56 332.2 332.2 292.3 332.4 0.05 19 228 10333 -46.2 -58.1 25 11.8 -46.7 270 62 346.3 346.4 295.9 346.6 0.07 20 226 10392 -45.9 -57.9 25 12.0 -46.4 270 62 347.7 347.7 296.2 348.0 0.07 21 200 11200 -46.1 -59.1 22 13.0 -46.7 265 58 359.8 359.8 298.7 360.1 0.07 22 150 13110 -47.1 -64.1 13 17.0 -47.9 265 50 388.9 388.9 303.6 389.1 0.05 23 148 13199 -46.9 -63.9 13 17.0 -47.7 265 50 390.7 390.8 303.9 391.0 0.05 24 106 15384 -53.7 -71.7 9 18.0 -54.2 256 50 417.0 417.0 307.4 417.1 0.02 25 100 15760 -53.5 -71.5 9 18.0 -54.1 255 50 424.4 424.4 308.2 424.5 0.02 26 98 15889 -53.9 -71.9 9 18.0 -54.5 255 49 426.0 426.0 308.4 426.2 0.02 27 84 16886 -48.3 -68.3 8 20.0 -49.5 253 44 456.6 456.6 311.5 456.9 0.05 28 70 18070 -52.5 -72.5 7 20.0 -53.4 250 38 472.1 472.1 312.8 472.2 0.03 29 68 18257 -53.9 -73.9 7 20.0 -54.7 250 38 473.0 473.0 312.9 473.1 0.03 30 64 18648 -50.9 -70.9 8 20.0 -52.1 251 39 487.8 487.8 314.1 488.1 0.04 31 61 18959 -53.3 -73.3 7 20.0 -54.2 252 40 489.2 489.2 314.2 489.4 0.03 32 53 19871 -49.9 -70.9 7 21.0 -51.4 254 41 517.2 517.2 316.1 517.5 0.05 33 50 20250 -51.7 -72.7 6 21.0 -53.1 255 42 521.6 521.7 316.4 521.9 0.04 34 33 22931 -54.9 -75.9 6 21.0 -56.3 235 30 579.0 579.0 319.6 579.2 0.04 35 30 23550 -48.7 -70.7 6 22.0 -51.4 230 27 611.9 611.9 321.2 612.6 0.09 36 29 23773 -47.3 -69.3 6 22.0 -50.4 227 25 621.7 621.7 321.6 622.6 0.12 37 26 24491 -48.5 -70.5 6 22.0 -51.6 218 21 638.0 638.0 322.3 638.9 0.11 38 24 25019 -45.7 -68.7 6 23.0 -49.8 211 17 660.9 661.0 323.2 662.2 0.15 39 21 25894 -51.7 -73.7 5 22.0 -54.5 199 11 668.5 668.6 323.4 669.2 0.08 40 20 26210 -51.5 -73.5 6 22.0 -54.4 195 9 678.5 678.6 323.7 679.3 0.09 41 19 26543 -51.7 -73.7 5 22.0 -54.6 687.9 688.0 324.1 688.7 0.09 42 17 27268 -49.5 -72.5 5 23.0 -53.4 717.2 717.3 325.0 718.3 0.13 43 12 29534 -52.5 -75.5 5 23.0 -56.3 781.7 781.8 326.8 782.8 0.11 TRP 375 7092 -50.5 -58.5 38 8.0 -50.7 285 44 294.7 294.8 279.0 294.9 0.04 WND 228 10333 -46.2 -58.1 25 11.8 -46.7 270 62 346.3 346.4 295.9 346.6 0.07 Sounding variables and indices 1000-500 mb thick: 5013.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 64.16 % Est. max temperature: -4.91 C = 23.16 F Sfc-Lift cond lev (LCL): 915.87 mb = 841.81 m = 2761.81 ft T: -13.44 C 700-500 lapse rate: 7.33 C/km ThetaE index: 0.14 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 858.50 mb = 1329.96 m = 4363.32 ft Mean mixing ratio: 1.18 g/kg Conv temperature: -4.92 C = 23.14 F Cap Strength: 9.10 C Lifted Index: 9.21 C Risk: None Lifted Index @300 mb: 30.07 C Lifted Index @700 mb: 5.09 C Showalter Index: 8.04 C Risk: None Total Totals Index: 49.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.00 C Cross Totals Index: 23.50 C K Index: 3.00 Risk: None Sweat Index: 61.00 Risk: None Energy Index: 2.06 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.49 J/kg Max Up Vert Vel: 2.64 m/s Conv Inhibition (B-): 71359.85 J/kg Cap Strength: 9.07 C Lift Cond Lev (LCL): 884.93 mb = 1101.11 m = 3612.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 309 at 14 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 1008 105 270 5 5.0 -0.0 | 146 11 -6.0 8.8 1 1000 167 270 7 7.0 -0.0 | 155 10 -4.0 8.8 2 925 767 295 21 19.0 -8.9 | 270 8 8.0 -0.0 3 850 1405 295 15 13.6 -6.3 | 226 4 2.5 2.5 4 700 2832 270 17 17.0 -0.0 | 214 11 6.0 8.8 5 500 5180 275 21 20.9 -1.8 | 235 12 9.9 7.0 6 400 6670 280 40 39.4 -6.9 | 266 28 28.3 1.9 7 375 7092 285 44 42.5 -11.4 | 275 32 31.5 -2.5 8 300 8540 280 52 51.2 -9.0 | 270 40 40.2 -0.2 9 250 9730 270 56 56.0 -0.0 | 259 46 45.0 8.8 10 228 10333 270 62 62.0 -0.0 | 260 52 51.0 8.8 11 200 11200 265 58 57.8 5.1 | 253 49 46.7 13.9 12 150 13110 265 50 49.8 4.4 | 251 41 38.8 13.2 13 100 15760 255 50 48.3 12.9 | 240 43 37.3 21.8 14 70 18070 250 38 35.7 13.0 | 228 33 24.7 21.8 15 50 20250 255 42 40.6 10.9 | 236 36 29.5 19.7 16 30 23550 230 27 20.7 17.4 | 200 28 9.6 26.2 17 20 26210 195 9 2.3 8.7 | 154 20 -8.7 17.5 Wind Parameters Mean winds (0-6000m): 278.7 at 18.9 knts Storm direction: 308.7 at 14.1 knts Shear (0-3000m) pos: 2.3 neg: 1.3 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 70.9 deg Storm rel helicity (0-3000m) pos: 31.9 neg: -8.0 tot: 24.0 m^2/s^2 ave: 8.0 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.46 Bulk Shear: 7.57 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 ------------------------------------------------------------------------------- 500 282 11 180 6| 12.9 0.0 12.9| 23.6 0.0 23.6 47.3 0.91| 13.4 12.2 1000 291 15 224 5| 6.9 0.0 6.9| 30.7 -2.5 28.2 28.2 0.72| 10.3 7.4 1500 292 16 228 4| 4.6 0.9 5.6| 30.7 -5.1 25.6 17.1 0.50| 8.1 4.1 2000 291 16 227 5| 3.5 1.0 4.5| 30.7 -5.7 25.0 12.5 0.44| 6.7 3.0 2500 288 16 225 6| 2.8 1.3 4.1| 30.7 -7.1 23.6 9.4 0.38| 5.9 2.3 3000 285 16 223 6| 2.3 1.3 3.6| 31.9 -8.0 24.0 8.0 0.36| 5.2 1.9 4000 281 17 223 8| 2.0 1.0 2.9| 37.0 -8.0 29.1 7.3 0.40| 4.2 1.6 5000 279 17 225 9| 1.8 0.8 2.5| 42.3 -8.0 34.4 6.9 0.43| 3.5 1.5 6000 279 19 232 10| 2.5 0.6 3.1| 72.1 -8.0 64.2 10.7 0.46| 4.0 1.8 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20251208.12.gif