UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042212.upa.cvt Date: 1200Z 22 APR 25 Searching for X1873... Searching the city database file for: X1873 ... Date:1200Z 22 APR 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 ------------------------------------------------------------------------------- 0 1000 86 250 3 SFC 998 102 6.4 5.0 91 1.4 5.7 250 3 279.7 280.6 279.0 294.7 5.48 2 974 302 6.2 3.3 82 2.9 4.8 280 6 281.5 282.3 279.2 295.3 4.98 3 925 723 3.4 -1.6 70 5.0 1.3 345 13 282.8 283.4 278.2 293.1 3.67 4 874 1180 0.0 -7.0 59 7.0 -2.6 335 16 283.9 284.3 277.3 291.3 2.58 5 850 1402 -1.7 -6.7 69 5.0 -3.6 330 17 284.4 284.8 277.7 292.2 2.72 6 844 1458 -2.3 -6.9 71 4.6 -4.0 330 17 284.3 284.8 277.7 292.1 2.70 7 828 1611 -1.9 -5.0 79 3.1 -3.1 329 16 286.3 286.8 279.3 295.5 3.18 8 786 2022 -5.9 -8.4 82 2.5 -6.8 326 14 286.3 286.8 278.5 293.8 2.58 9 785 2032 -5.9 -8.4 82 2.5 -6.8 326 14 286.4 286.9 278.6 293.9 2.58 10 773 2153 -4.3 -8.9 70 4.6 -6.0 325 13 289.4 289.8 279.9 296.8 2.52 11 747 2422 -5.3 -17.3 38 12.0 -8.7 323 12 291.2 291.4 279.1 295.2 1.32 12 738 2517 -3.9 -21.9 23 18.0 -8.6 323 11 293.7 293.9 279.8 296.5 0.90 13 730 2603 -4.3 -27.3 15 23.0 -9.5 322 11 294.2 294.3 279.6 296.0 0.56 14 700 2934 -4.9 -24.9 19 20.0 -9.8 320 9 297.1 297.2 281.1 299.4 0.72 15 592 4236 -9.7 -39.7 7 30.0 -14.6 318 21 306.1 306.1 284.1 306.8 0.20 16 572 4500 -11.5 -40.5 7 29.0 -16.0 317 23 307.0 307.0 284.4 307.7 0.20 17 500 5510 -20.9 -39.9 16 19.0 -23.3 315 33 307.6 307.6 284.7 308.4 0.24 18 455 6198 -26.9 -39.9 28 13.0 -28.3 315 39 308.5 308.5 285.1 309.4 0.26 19 448 6310 -27.9 -39.9 31 12.0 -29.2 315 40 308.6 308.6 285.1 309.5 0.27 20 424 6705 -28.1 -43.1 22 15.0 -29.6 315 44 313.2 313.2 286.7 313.9 0.20 21 400 7120 -31.3 -49.3 15 18.0 -32.6 315 48 314.3 314.3 287.0 314.7 0.11 22 383 7426 -33.9 -52.9 13 19.0 -35.0 308 48 314.8 314.8 287.1 315.1 0.07 23 366 7743 -34.5 -53.5 13 19.0 -35.6 301 47 318.1 318.1 288.2 318.4 0.07 24 311 8859 -43.5 -61.5 12 18.0 -44.0 276 46 320.7 320.7 289.0 320.9 0.03 25 300 9100 -44.7 -62.7 12 18.0 -45.2 270 46 322.4 322.4 289.5 322.5 0.03 26 267 9870 -50.1 -67.1 12 17.0 -50.4 273 67 325.4 325.4 290.4 325.5 0.02 27 250 10300 -50.1 -67.1 12 17.0 -50.4 275 79 331.6 331.6 292.2 331.7 0.02 28 228 10902 -50.1 -67.1 12 17.0 -50.5 280 95 340.4 340.4 294.4 340.5 0.02 29 226 10959 -50.1 -67.1 12 17.0 -50.5 279 92 341.3 341.3 294.7 341.4 0.02 30 200 11750 -54.3 -70.3 12 16.0 -54.6 260 48 346.8 346.8 295.9 346.8 0.01 31 198 11814 -54.7 -70.7 12 16.0 -54.9 260 48 347.1 347.1 296.0 347.2 0.01 32 180 12423 -53.7 -69.7 12 16.0 -54.0 260 52 358.4 358.4 298.4 358.4 0.02 33 151 13557 -50.7 -67.7 12 17.0 -51.2 260 60 382.0 382.0 302.6 382.1 0.03 34 150 13600 -50.9 -67.9 12 17.0 -51.4 260 60 382.4 382.4 302.6 382.5 0.03 35 106 15835 -55.9 -73.9 9 18.0 -56.3 412.8 412.8 306.9 412.9 0.02 TRP 198 11814 -54.7 -70.7 12 16.0 -54.9 260 48 347.1 347.1 296.0 347.2 0.01 WND 228 10902 -50.1 -67.1 12 17.0 -50.5 280 95 340.4 340.4 294.4 340.5 0.02 Sounding variables and indices 1000-500 mb thick: 5424.00 m Freezing level: 874.00 mb = 1179.81 m = 3870.72 ft Wetbulb zero: 908.51 mb = 867.87 m = 2847.31 ft Precipitable water: 0.39 inches Sfc-500 mean rel hum: 37.61 % Est. max temperature: 11.03 C = 51.86 F Sfc-Lift cond lev (LCL): 976.76 mb = 278.79 m = 914.65 ft T: 6.22 C 700-500 lapse rate: 6.21 C/km ThetaE index: 3.94 C Layer 925.0- 850.0 mb Conv cond level (CCL): 867.44 mb = 1239.95 m = 4068.04 ft Mean mixing ratio: 4.26 g/kg Conv temperature: 10.69 C = 51.25 F Cap Strength: 13.44 C Lifted Index: 12.39 C Risk: None Lifted Index @300 mb: 20.20 C Lifted Index @700 mb: 8.15 C Showalter Index: 13.71 C Risk: None Total Totals Index: 33.40 C Risk: None Vertical Totals Index: 19.20 C Cross Totals Index: 14.20 C K Index: -7.50 Risk: None Sweat Index: 67.00 Risk: None Energy Index: 3.49 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.13 J/kg Max Up Vert Vel: 4.50 m/s Conv Inhibition (B-): 14799.96 J/kg Cap Strength: 13.45 C Lift Cond Lev (LCL): 893.38 mb = 1003.13 m = 3291.07 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 350 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 ---------------------------------------------------------- 0 998 102 250 3 2.8 1.0 | 182 15 0.4 14.7 1 925 723 345 13 3.4 -12.6 | 221 1 1.0 1.1 2 850 1402 330 17 8.5 -14.7 | 280 6 6.1 -1.1 3 700 2934 320 9 5.8 -6.9 | 207 8 3.4 6.8 4 500 5510 315 33 23.3 -23.3 | 295 23 20.9 -9.7 5 400 7120 315 48 33.9 -33.9 | 303 38 31.6 -20.3 6 300 9100 270 46 46.0 -0.0 | 253 46 43.6 13.7 7 250 10300 275 79 78.7 -6.9 | 265 77 76.3 6.8 8 228 10902 280 95 93.6 -16.5 | 272 91 91.2 -2.8 9 200 11750 260 48 47.3 8.3 | 244 50 44.9 22.0 10 198 11814 260 48 47.3 8.3 | 244 50 44.9 22.0 11 150 13600 260 60 59.1 10.4 | 247 62 56.7 24.1 Wind Parameters Mean winds (0-6000m): 320.1 at 18.5 knts Storm direction: 350.1 at 13.9 knts Shear (0-3000m) pos: 2.6 neg: 1.0 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 36.8 deg Storm rel helicity (0-3000m) pos: 28.7 neg: -12.6 tot: 16.1 m^2/s^2 ave: 5.4 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.56 Bulk Shear: 17.94 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 ------------------------------------------------------------------------------- 500 329 7 189 8| 11.1 0.0 11.1| 24.2 0.0 24.2 48.4 0.61| 12.8 7.9 1000 337 10 202 5| 7.9 0.0 7.9| 25.6 0.0 25.6 25.6 0.51| 9.9 5.1 1500 334 12 229 4| 5.3 0.8 6.0| 26.1 -1.7 24.4 16.2 0.40| 7.9 3.2 2000 332 13 238 4| 3.9 0.9 4.8| 26.1 -5.9 20.2 10.1 0.25| 6.6 1.7 2500 331 13 236 5| 3.2 1.1 4.3| 26.1 -10.1 16.0 6.4 0.14| 5.9 0.8 3000 330 12 231 5| 2.6 1.0 3.7| 28.7 -12.6 16.1 5.4 0.12| 5.4 0.7 4000 326 13 239 6| 2.0 0.9 2.9| 46.0 -12.6 33.4 8.3 0.29| 5.2 1.5 5000 323 15 258 7| 1.6 1.6 3.2| 61.9 -12.6 49.3 9.9 0.32| 5.2 1.6 6000 320 18 273 9| 1.3 2.1 3.5| 79.2 -12.6 66.6 11.1 0.32| 5.1 1.6 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20250422.12.gif