UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for X1873... Searching the city database file for: X1873 ... Date:1200Z 29 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 71 270 3 SFC 996 104 9.8 1.8 57 8.0 6.0 270 3 283.3 284.0 279.3 295.5 4.37 2 994 121 12.2 5.2 62 7.0 8.6 268 3 285.8 286.8 282.0 301.5 5.58 3 925 719 8.0 -2.0 49 10.0 3.5 195 1 287.5 288.1 280.3 297.8 3.56 4 850 1410 2.4 -6.6 51 9.0 -1.2 170 5 288.7 289.1 279.8 296.7 2.74 5 762 2281 -4.1 -10.1 63 6.0 -6.2 176 8 290.8 291.2 280.3 297.7 2.33 6 755 2354 -1.9 -8.9 59 7.0 -4.5 176 9 294.0 294.4 282.0 301.7 2.58 7 719 2741 -4.3 -11.3 58 7.0 -6.7 179 10 295.5 295.9 282.3 302.3 2.24 8 700 2951 -5.9 -13.9 53 8.0 -8.5 180 11 296.0 296.3 282.0 301.7 1.86 9 611 4004 -12.5 -28.5 25 16.0 -15.7 243 11 300.1 300.2 282.2 302.1 0.60 10 546 4852 -19.5 -41.5 12 22.0 -22.1 294 11 301.6 301.6 282.3 302.2 0.18 11 530 5072 -21.7 -43.7 12 22.0 -24.0 308 11 301.5 301.5 282.2 302.0 0.15 12 500 5500 -24.1 -46.1 11 22.0 -26.2 335 11 303.7 303.7 283.0 304.1 0.12 13 400 7080 -35.3 -53.3 14 18.0 -36.2 350 29 309.1 309.1 285.1 309.4 0.07 14 393 7203 -36.1 -53.1 16 17.0 -37.0 349 29 309.6 309.6 285.3 309.9 0.07 15 300 9020 -51.3 -64.3 20 13.0 -51.5 340 36 313.0 313.0 286.4 313.1 0.02 16 281 9441 -54.7 -67.7 19 13.0 -54.9 338 36 314.1 314.1 286.8 314.1 0.02 17 250 10180 -59.7 -71.7 20 12.0 -59.8 335 36 317.3 317.3 287.9 317.3 0.01 18 244 10331 -60.5 -72.5 19 12.0 -60.6 335 38 318.3 318.3 288.2 318.4 0.01 19 217 11065 -57.1 -69.1 20 12.0 -57.3 332 24 334.4 334.4 292.9 334.5 0.02 20 200 11580 -57.3 -68.3 23 11.0 -57.5 330 15 342.0 342.0 294.8 342.1 0.02 21 150 13420 -52.7 -65.7 19 13.0 -53.1 305 11 379.3 379.3 302.2 379.4 0.04 22 146 13594 -51.9 -64.9 20 13.0 -52.3 301 11 383.6 383.6 302.9 383.8 0.04 23 100 16030 -52.9 -68.9 13 16.0 -53.5 250 13 425.5 425.5 308.4 425.7 0.04 24 88 16850 -54.9 -71.9 10 17.0 -55.5 245 11 437.4 437.4 309.6 437.5 0.03 25 75 17876 -52.9 -70.9 10 18.0 -53.7 238 8 462.0 462.0 312.0 462.2 0.04 26 70 18320 -53.3 -71.3 9 18.0 -54.1 235 7 470.4 470.4 312.7 470.6 0.04 27 65 18796 -54.7 -72.7 9 18.0 -55.5 232 7 477.4 477.4 313.2 477.6 0.03 28 60 19312 -51.9 -70.9 8 19.0 -53.0 228 6 494.7 494.7 314.6 495.0 0.04 29 50 20490 -53.5 -72.5 8 19.0 -54.6 220 5 517.4 517.4 316.1 517.7 0.04 30 31 23568 -53.7 -74.7 6 21.0 -55.4 164 7 592.7 592.7 320.3 593.0 0.05 31 30 23780 -52.3 -73.3 6 21.0 -54.2 160 7 602.1 602.1 320.7 602.5 0.06 32 20 26420 -49.7 -71.7 6 22.0 -53.1 205 5 684.0 684.1 323.9 685.1 0.12 33 18 27108 -50.9 -72.9 6 22.0 -54.2 701.2 701.2 324.5 702.2 0.11 34 16 27882 -46.3 -69.3 6 23.0 -51.4 740.2 740.3 325.7 742.2 0.21 35 14 28772 -45.3 -69.3 5 24.0 -51.2 772.4 772.5 326.6 774.7 0.24 TRP 244 10331 -60.5 -72.5 19 12.0 -60.6 335 38 318.3 318.3 288.2 318.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5429.00 m Freezing level: 817.51 mb = 1731.76 m = 5681.55 ft Wetbulb zero: 868.43 mb = 1234.67 m = 4050.71 ft Precipitable water: 0.44 inches Sfc-500 mean rel hum: 40.60 % Est. max temperature: 15.27 C = 59.49 F Sfc-Lift cond lev (LCL): 881.68 mb = 1110.98 m = 3644.92 ft T: 4.82 C 700-500 lapse rate: 7.14 C/km ThetaE index: 4.84 C Layer 925.0- 762.0 mb Conv cond level (CCL): 791.56 mb = 1977.94 m = 6489.22 ft Mean mixing ratio: 4.23 g/kg Conv temperature: 16.59 C = 61.86 F Cap Strength: 5.12 C Lifted Index: 5.59 C Risk: None Lifted Index @300 mb: 10.03 C Lifted Index @700 mb: 4.10 C Showalter Index: 7.23 C Risk: None Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.50 C Cross Totals Index: 17.50 C K Index: 11.90 Risk: None Sweat Index: 21.00 Risk: None Energy Index: 1.61 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.19 J/kg Max Up Vert Vel: 3.79 m/s Conv Inhibition (B-): 53726.05 J/kg Cap Strength: 5.21 C Lift Cond Lev (LCL): 828.70 mb = 1612.32 m = 5289.69 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 262 at 7 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 ---------------------------------------------------------- 0 996 104 270 3 3.0 -0.0 | 76 4 -3.6 -0.9 1 925 719 195 1 0.3 1.0 | 91 6 -6.3 0.1 2 850 1410 170 5 -0.9 4.9 | 118 8 -7.4 4.0 3 700 2951 180 11 0.0 11.0 | 147 12 -6.6 10.1 4 500 5500 335 11 4.6 -10.0 | 10 11 -1.9 -10.9 5 400 7080 350 29 5.0 -28.6 | 3 29 -1.5 -29.4 6 300 9020 340 36 12.3 -33.8 | 351 35 5.7 -34.7 7 250 10180 335 36 15.2 -32.6 | 346 35 8.6 -33.5 8 244 10331 335 38 16.1 -34.4 | 345 37 9.5 -35.3 9 200 11580 330 15 7.5 -13.0 | 356 14 0.9 -13.9 10 150 13420 305 11 9.0 -6.3 | 341 8 2.4 -7.2 11 100 16030 250 13 12.2 4.4 | 238 7 5.6 3.6 12 70 18320 235 7 5.7 4.0 | 165 3 -0.8 3.1 13 50 20490 220 5 3.2 3.8 | 131 4 -3.4 2.9 14 30 23780 160 7 -2.4 6.6 | 122 11 -9.0 5.7 15 20 26420 205 5 2.1 4.5 | 129 6 -4.5 3.6 Wind Parameters Mean winds (0-6000m): 232.3 at 8.9 knts Storm direction: 262.3 at 6.6 knts Shear (0-3000m) pos: 1.0 neg: 1.2 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 78.2 deg Storm rel helicity (0-3000m) pos: 25.3 neg: -0.5 tot: 24.8 m^2/s^2 ave: 8.3 10^-3 m/s^2 rel: 0.70 Storm rel vorticity (0-3000m) horiz: 2.6 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.12 Bulk Shear: 6.45 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 ------------------------------------------------------------------------------- 500 260 2 84 4| 0.0 2.7 2.7| 1.4 -0.2 1.2 2.5 0.42| 2.9 1.2 1000 224 2 96 5| 0.0 2.2 2.2| 5.0 -0.5 4.5 4.5 0.56| 2.8 1.6 1500 191 3 108 6| 0.0 2.4 2.4| 8.8 -0.5 8.3 5.5 0.60| 2.8 1.7 2000 182 4 115 7| 0.5 1.8 2.3| 12.9 -0.5 12.4 6.2 0.64| 2.6 1.7 2500 180 5 121 8| 0.8 1.4 2.2| 17.4 -0.5 16.9 6.8 0.67| 2.5 1.7 3000 181 6 127 8| 1.0 1.2 2.2| 25.3 -0.5 24.8 8.3 0.70| 2.6 1.8 4000 194 7 141 8| 1.5 0.9 2.3| 44.8 -0.5 44.3 11.1 0.76| 3.5 2.6 5000 206 8 154 7| 1.6 0.7 2.3| 60.1 -0.5 59.6 11.9 0.80| 4.0 3.2 6000 232 9 185 5| 2.0 0.6 2.6| 69.6 -7.1 62.4 10.4 0.66| 4.3 2.8 Wrote GIF file: /home/apache/climate/data/raob//X1873/skewt/X1873.skewt.20250429.12.gif