UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042600.upa.cvt Date: 0000Z 26 APR 25 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 26 APR 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 1000 89 2.2 -4.8 60 7.0 -0.4 345 3 275.4 275.8 272.8 282.7 2.67 1 936 622 0.4 -7.6 55 8.0 -2.4 49 15 278.8 279.2 274.2 285.3 2.30 2 925 717 1.8 -6.2 55 8.0 -1.2 60 17 281.1 281.6 275.9 288.5 2.60 3 893 1001 1.6 -9.4 44 11.0 -2.3 77 14 283.8 284.2 276.6 289.9 2.10 4 868 1229 0.0 -11.0 43 11.0 -3.7 90 11 284.4 284.8 276.6 290.0 1.90 5 850 1396 -2.1 -11.1 50 9.0 -5.0 100 9 283.9 284.3 276.5 289.6 1.92 6 779 2081 -8.3 -11.1 80 2.8 -9.2 147 6 284.5 284.8 276.9 290.6 2.10 7 769 2182 -9.1 -13.6 70 4.5 -10.4 154 6 284.7 285.0 276.5 289.8 1.74 8 736 2523 -5.9 -25.9 19 20.0 -10.4 178 5 291.7 291.8 278.5 293.7 0.63 9 721 2685 -5.7 -29.7 13 24.0 -10.6 189 4 293.7 293.8 279.1 295.2 0.45 10 700 2916 -6.9 -36.9 7 30.0 -12.0 205 3 294.8 294.9 279.4 295.6 0.23 11 657 3407 -9.3 -39.3 7 30.0 -14.0 211 8 297.5 297.6 280.6 298.2 0.19 12 565 4556 -16.3 -28.3 35 12.0 -18.6 224 20 302.4 302.5 283.2 304.6 0.66 13 526 5089 -21.1 -31.1 40 10.0 -22.7 230 25 302.9 303.0 283.3 304.7 0.54 14 504 5402 -23.9 -33.9 39 10.0 -25.3 234 28 303.2 303.3 283.2 304.7 0.43 15 500 5460 -23.9 -33.9 39 10.0 -25.3 235 29 303.9 304.0 283.5 305.4 0.43 16 400 7060 -34.1 -50.1 18 16.0 -35.1 245 46 310.7 310.7 285.7 311.0 0.10 17 378 7452 -36.3 -53.3 16 17.0 -37.2 243 48 312.8 312.8 286.4 313.1 0.07 18 340 8172 -42.7 -59.7 14 17.0 -43.3 239 52 313.7 313.7 286.7 313.9 0.04 19 317 8638 -46.7 -62.7 15 16.0 -47.1 237 54 314.5 314.5 286.9 314.6 0.03 20 300 9000 -49.1 -65.1 14 16.0 -49.4 235 56 316.1 316.2 287.5 316.2 0.02 21 262 9881 -55.3 -70.6 13 15.3 -55.5 235 69 319.5 319.5 288.6 319.5 0.01 22 250 10180 -57.5 -72.5 13 15.0 -57.6 240 62 320.6 320.6 288.9 320.6 0.01 23 245 10307 -58.3 -73.3 13 15.0 -58.5 245 60 321.2 321.2 289.1 321.3 0.01 24 216 11105 -55.5 -70.5 14 15.0 -55.7 245 53 337.4 337.4 293.7 337.4 0.01 25 200 11600 -51.7 -66.7 15 15.0 -52.1 245 48 350.9 350.9 296.8 351.0 0.02 26 192 11864 -50.9 -65.9 15 15.0 -51.3 246 46 356.3 356.3 298.0 356.4 0.03 27 150 13470 -49.1 -67.1 10 18.0 -49.7 255 36 385.5 385.5 303.1 385.6 0.03 28 138 14018 -48.5 -67.5 9 19.0 -49.3 256 36 395.8 395.8 304.6 396.0 0.03 29 133 14259 -51.5 -70.5 9 19.0 -52.1 256 37 394.7 394.7 304.5 394.8 0.02 30 100 16100 -53.7 -75.7 5 22.0 -54.3 260 38 424.0 424.0 308.2 424.0 0.01 31 70 18390 -53.9 -77.9 4 24.0 -54.7 295 36 469.1 469.1 312.5 469.1 0.01 32 50 20550 -54.7 -77.7 4 23.0 -55.7 295 23 514.6 514.6 315.9 514.7 0.02 33 37 22466 -56.9 -79.9 4 23.0 -57.9 277 24 555.2 555.2 318.4 555.3 0.02 34 30 23800 -54.9 -77.9 4 23.0 -56.5 265 25 595.0 595.0 320.4 595.2 0.03 35 20 26410 -50.9 -74.9 4 24.0 -54.0 265 23 680.4 680.4 323.8 681.0 0.07 36 10 30990 -44.1 -69.1 5 25.0 -51.8 265 23 854.9 855.1 328.6 858.6 0.35 37 9.6 31264 -43.7 -69.7 4 26.0 -51.8 866.5 866.7 328.8 870.1 0.33 TRP 245 10307 -58.3 -73.3 13 15.0 -58.5 245 60 321.2 321.2 289.1 321.3 0.01 WND 262 9881 -55.3 -70.6 13 15.3 -55.5 235 69 319.5 319.5 288.6 319.5 0.01 Sounding variables and indices 1000-500 mb thick: 5371.32 m Freezing level: 868.00 mb = 1228.82 m = 4031.50 ft Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 37.35 % Est. max temperature: 10.80 C = 51.43 F Sfc-Lift cond lev (LCL): 896.77 mb = 966.76 m = 3171.75 ft T: 1.62 C 700-500 lapse rate: 6.68 C/km ThetaE index: 0.82 C Layer 769.0- 736.0 mb Conv cond level (CCL): 619.80 mb = 3851.23 m = 12635.11 ft Mean mixing ratio: 2.46 g/kg Conv temperature: 26.28 C = 79.30 F Cap Strength: 15.50 C Lifted Index: 15.63 C Risk: None Lifted Index @300 mb: 21.66 C Lifted Index @700 mb: 11.65 C Showalter Index: 12.64 C Risk: None Total Totals Index: 34.60 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 12.80 C K Index: -19.30 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 3.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.51 J/kg Max Up Vert Vel: 7.94 m/s Conv Inhibition (B-): 61780.61 J/kg Cap Strength: 15.42 C Lift Cond Lev (LCL): 837.50 mb = 1512.42 m = 4961.96 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 254 at 11 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 1000 89 345 3 0.8 -2.9 | 58 11 -9.5 -5.9 1 1000 90 345 3 0.8 -2.9 | 58 11 -9.5 -5.9 2 925 717 60 17 -14.7 -8.5 | 65 28 -25.0 -11.5 3 850 1396 100 9 -8.9 1.6 | 86 19 -19.1 -1.5 4 700 2916 205 3 1.3 2.7 | 88 9 -9.0 -0.3 5 500 5460 235 29 23.8 16.6 | 225 19 13.5 13.6 6 400 7060 245 46 41.7 19.4 | 242 35 31.4 16.4 7 300 9000 235 56 45.9 32.1 | 231 46 35.6 29.1 8 262 9881 235 69 56.5 39.6 | 232 59 46.2 36.5 9 250 10180 240 62 53.7 31.0 | 237 52 43.4 28.0 10 245 10307 245 60 54.4 25.4 | 243 49 44.1 22.3 11 200 11600 245 48 43.5 20.3 | 243 37 33.2 17.3 12 150 13470 255 36 34.8 9.3 | 256 25 24.5 6.3 13 100 16100 260 38 37.4 6.6 | 263 27 27.1 3.6 14 70 18390 295 36 32.6 -15.2 | 309 29 22.3 -18.2 15 50 20550 295 23 20.8 -9.7 | 320 17 10.6 -12.8 16 30 23800 265 25 24.9 2.2 | 273 15 14.6 -0.9 17 20 26410 265 23 22.9 2.0 | 275 13 12.6 -1.0 18 10 30990 265 23 22.9 2.0 | 275 13 12.6 -1.0 Wind Parameters Mean winds (0-6000m): 223.6 at 14.3 knts Storm direction: 253.6 at 10.7 knts Shear (0-3000m) pos: 1.2 neg: 0.0 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): 40.5 deg Storm rel helicity (0-3000m) pos: 121.2 neg: -12.7 tot: 108.5 m^2/s^2 ave: 36.2 10^-3 m/s^2 rel: 0.38 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 2.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.46 Bulk Shear: 68.78 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 35 9 57 18| 13.3 0.0 13.3| 19.2 -7.6 11.6 23.1 0.08| 14.9 1.2 1000 60 12 66 22| 6.9 0.0 6.9| 82.6 -7.6 75.0 75.0 0.40| 13.5 5.4 1500 68 11 71 22| 3.6 0.0 3.6|106.7 -7.6 99.1 66.1 0.45| 11.4 5.1 2000 78 10 76 21| 2.4 0.0 2.4|117.3 -7.6 109.7 54.9 0.46| 9.8 4.5 2500 82 9 78 20| 1.5 0.0 1.5|117.9 -9.3 108.6 43.4 0.41| 8.6 3.5 3000 84 8 78 19| 1.2 0.0 1.2|121.2 -12.7 108.5 36.2 0.38| 7.8 2.9 4000 114 9 92 18| 2.2 0.0 2.2|141.4 -12.7 128.6 32.2 0.49| 7.2 3.5 5000 195 11 136 11| 2.7 0.0 2.7|167.5 -12.7 154.7 30.9 0.53| 6.9 3.6 6000 224 14 177 7| 3.1 0.0 3.1|199.1 -12.7 186.3 31.1 0.53| 6.7 3.6 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20250426.00.gif