UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100900.upa.cvt Date: 0000Z 9 OCT 25 Searching for X1873... Searching the city database file for: X1873 ... Date:0000Z 9 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 1016 98 5.4 -1.6 61 7.0 2.5 315 3 277.3 277.9 274.8 286.5 3.34 1 1000 227 4.4 -4.6 52 9.0 0.9 330 7 277.5 278.0 274.0 285.1 2.71 2 935 772 2.2 -7.8 48 10.0 -1.4 334 12 280.7 281.1 275.2 287.2 2.27 3 925 859 1.4 -8.6 47 10.0 -2.1 335 13 280.7 281.1 275.0 286.9 2.15 4 879 1267 -2.5 -11.5 50 9.0 -5.3 335 14 280.8 281.1 274.6 286.0 1.80 5 850 1533 -1.9 -15.9 33 14.0 -6.0 335 15 284.2 284.4 275.6 288.0 1.30 6 840 1627 -1.7 -17.7 28 16.0 -6.2 334 15 285.3 285.5 276.0 288.7 1.13 7 747 2549 -7.7 -23.7 26 16.0 -11.3 322 18 288.5 288.7 277.1 290.9 0.76 8 712 2923 -6.7 -31.7 12 25.0 -11.5 317 19 293.6 293.7 279.0 294.9 0.38 9 700 3055 -7.5 -34.5 9 27.0 -12.3 315 19 294.2 294.2 279.1 295.2 0.29 10 698 3077 -7.7 -34.7 9 27.0 -12.5 315 19 294.2 294.2 279.1 295.2 0.29 11 600 4237 -15.5 -31.5 24 16.0 -18.2 299 44 298.2 298.3 281.2 299.7 0.46 12 543 4990 -15.9 -30.9 26 15.0 -18.7 289 60 306.3 306.4 284.6 308.2 0.54 13 536 5088 -16.5 -30.5 29 14.0 -19.1 287 62 306.8 306.9 284.8 308.7 0.56 14 500 5610 -17.5 -33.5 23 16.0 -20.3 280 73 311.7 311.8 286.5 313.3 0.45 15 495 5685 -17.9 -33.9 23 16.0 -20.6 280 74 312.1 312.2 286.6 313.7 0.44 16 400 7240 -28.5 -46.5 16 18.0 -30.2 285 89 317.9 318.0 288.2 318.5 0.15 17 399 7258 -28.7 -46.7 16 18.0 -30.3 285 89 317.9 317.9 288.2 318.5 0.14 18 354 8110 -31.3 -51.3 12 20.0 -32.9 285 106 325.5 325.5 290.5 325.9 0.10 19 300 9260 -40.3 -58.3 13 18.0 -41.1 285 128 328.6 328.6 291.3 328.8 0.05 20 278 9777 -43.1 -59.1 16 16.0 -43.7 283 135 331.8 331.8 292.2 332.0 0.05 21 256 10331 -44.4 -57.6 21 13.3 -44.9 280 143 337.8 337.8 293.9 338.0 0.06 22 254 10384 -44.5 -57.5 22 13.0 -45.0 280 142 338.4 338.4 294.0 338.6 0.06 23 250 10490 -44.9 -57.9 22 13.0 -45.4 280 141 339.3 339.3 294.2 339.6 0.06 24 226 11161 -46.5 -60.5 19 14.0 -47.0 278 139 346.8 346.8 296.0 347.0 0.05 25 208 11706 -50.9 -65.9 15 15.0 -51.2 276 137 348.2 348.2 296.3 348.4 0.03 26 200 11960 -52.1 -68.1 13 16.0 -52.4 275 136 350.3 350.3 296.7 350.4 0.02 27 186 12426 -55.5 -71.5 12 16.0 -55.8 352.1 352.1 297.1 352.2 0.01 28 168 13073 -56.9 -72.9 12 16.0 -57.1 360.2 360.2 298.7 360.2 0.01 TRP WND 256 10331 -44.4 -57.6 21 13.3 -44.9 280 143 337.8 337.8 293.9 338.0 0.06 Sounding variables and indices 1000-500 mb thick: 5383.00 m Freezing level: 908.49 mb = 1005.31 m = 3298.21 ft Wetbulb zero: 974.44 mb = 437.08 m = 1433.96 ft Precipitable water: 0.25 inches Sfc-500 mean rel hum: 28.97 % Est. max temperature: 10.43 C = 50.78 F Sfc-Lift cond lev (LCL): 912.10 mb = 971.22 m = 3186.38 ft T: 0.33 C 700-500 lapse rate: 3.91 C/km ThetaE index: 1.41 C Layer 1000.0- 935.0 mb Conv cond level (CCL): 653.40 mb = 3583.46 m = 11756.61 ft Mean mixing ratio: 2.51 g/kg Conv temperature: 24.16 C = 75.49 F Cap Strength: 18.17 C Lifted Index: 21.56 C Risk: None Lifted Index @300 mb: 29.99 C Lifted Index @700 mb: 10.64 C Showalter Index: 20.21 C Risk: None Total Totals Index: 17.20 C Risk: None Vertical Totals Index: 15.60 C Cross Totals Index: 1.60 C K Index: -27.30 Risk: None Sweat Index: 103.00 Risk: None Energy Index: 5.26 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.45 J/kg Max Up Vert Vel: 4.35 m/s Conv Inhibition (B-): 11433.63 J/kg Cap Strength: 21.06 C Lift Cond Lev (LCL): 835.04 mb = 1673.53 m = 5490.50 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 324 at 25 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 1016 98 315 3 2.1 -2.1 | 145 22 -12.4 18.0 1 1000 227 330 7 3.5 -6.1 | 142 18 -11.0 14.0 2 925 859 335 13 5.5 -11.8 | 133 12 -9.0 8.3 3 850 1533 335 15 6.3 -13.6 | 128 10 -8.2 6.5 4 700 3055 315 19 13.4 -13.4 | 171 7 -1.1 6.6 5 500 5610 280 73 71.9 -12.7 | 263 58 57.4 7.4 6 400 7240 285 89 86.0 -23.0 | 272 71 71.4 -3.0 7 300 9260 285 128 123.6 -33.1 | 277 110 109.1 -13.1 8 256 10331 280 143 140.8 -24.8 | 272 126 126.3 -4.8 9 250 10490 280 141 138.9 -24.5 | 272 124 124.3 -4.4 10 200 11960 275 136 135.5 -11.9 | 266 121 120.9 8.2 Wind Parameters Mean winds (0-6000m): 294.1 at 33.1 knts Storm direction: 324.1 at 24.8 knts Shear (0-3000m) pos: 1.9 neg: 1.5 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 31.7 deg Storm rel helicity (0-3000m) pos: 12.6 neg: -17.5 tot: -5.0 m^2/s^2 ave: -1.7 10^-3 m/s^2 rel: 0.10 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.10 Bulk Shear: 97.94 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 ------------------------------------------------------------------------------- 500 331 8 141 17| 7.9 0.0 7.9| 0.0 -11.0 -11.0 -22.0 -0.30| 8.0 -2.4 1000 333 10 138 15| 5.6 0.0 5.6| 0.0 -16.1 -16.1 -16.1 -0.35| 5.6 -2.0 1500 334 12 136 14| 3.8 0.5 4.3| 0.2 -17.5 -17.3 -11.5 -0.34| 4.3 -1.5 2000 333 13 135 12| 2.8 0.9 3.7| 3.4 -17.5 -14.1 -7.1 -0.20| 3.8 -0.8 2500 331 14 136 11| 2.3 1.1 3.4| 7.4 -17.5 -10.2 -4.1 -0.06| 3.5 -0.2 3000 328 14 139 10| 1.9 1.5 3.3| 12.6 -17.5 -5.0 -1.7 0.10| 3.5 0.3 4000 318 18 159 7| 1.4 3.9 5.4| 36.4 -17.5 18.9 4.7 0.32| 5.5 1.7 5000 305 25 227 8| 1.1 5.6 6.7| 36.9 -49.7 -12.8 -2.6 0.15| 6.9 1.1 6000 294 33 247 17| 1.3 5.6 7.0| 86.3-108.7 -22.4 -3.7 0.11| 7.4 0.8 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20251009.00.gif