UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041900.upa.cvt Date: 0000Z 19 APR 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 19 APR 25 Station: U8661 WMO ident: 28661 Latitude: 55.47 Longitude: 65.40 ------------------------------------------------------------------------------- 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 1012 71 0.0 -10.0 47 10.0 -3.1 190 3 272.2 272.5 269.4 277.1 1.76 1 1000 166 -1.3 -11.3 46 10.0 -4.3 200 11 271.9 272.1 268.9 276.3 1.61 2 948 589 -5.3 -12.3 58 7.0 -7.2 214 19 272.0 272.2 268.9 276.4 1.57 3 925 782 -5.3 -9.3 73 4.0 -6.5 220 23 273.9 274.2 270.9 279.6 2.04 4 902 979 -5.9 -9.2 77 3.3 -7.0 223 20 275.3 275.6 271.8 281.2 2.11 5 872 1243 -6.9 -9.7 80 2.8 -7.8 227 16 276.9 277.2 272.8 282.8 2.10 6 871 1252 -6.9 -9.6 81 2.7 -7.7 227 16 277.0 277.3 272.9 282.9 2.12 7 850 1442 -8.5 -11.6 78 3.1 -9.4 230 13 277.2 277.6 272.6 282.5 1.85 8 846 1479 -8.7 -11.8 78 3.1 -9.6 232 13 277.4 277.7 272.6 282.6 1.83 9 825 1673 -9.9 -12.8 79 2.9 -10.7 243 16 278.1 278.4 272.9 283.1 1.73 10 807 1843 -10.7 -13.2 82 2.5 -11.4 253 18 279.0 279.3 273.4 284.0 1.71 11 779 2114 -11.7 -14.0 83 2.3 -12.3 268 21 280.8 281.1 274.3 285.6 1.66 12 750 2404 -11.9 -13.7 86 1.8 -12.4 285 25 283.7 284.0 276.0 288.8 1.77 13 700 2931 -13.5 -15.5 85 2.0 -14.0 315 31 287.5 287.8 277.9 292.4 1.63 14 580 4338 -20.3 -22.9 80 2.6 -20.8 329 52 295.5 295.7 280.8 298.8 1.04 15 500 5420 -27.1 -29.4 81 2.3 -27.5 340 68 300.0 300.1 282.3 302.2 0.67 16 452 6143 -31.1 -33.6 79 2.5 -31.4 347 79 303.8 303.9 283.6 305.4 0.50 17 429 6512 -33.5 -36.4 75 2.9 -33.8 350 85 305.3 305.4 284.0 306.6 0.40 18 400 7000 -37.9 -41.0 73 3.1 -38.1 355 93 305.7 305.8 284.1 306.7 0.26 19 337 8157 -46.9 -50.1 70 3.2 -47.0 355 99 308.8 308.8 285.0 309.2 0.12 20 301 8898 -51.3 -54.6 68 3.3 -51.4 355 103 312.7 312.8 286.4 313.0 0.08 21 300 8920 -51.5 -54.8 68 3.3 -51.6 355 103 312.8 312.8 286.4 313.0 0.07 22 296 9007 -54.3 -57.8 65 3.5 -54.4 355 103 310.0 310.0 285.4 310.2 0.05 23 292 9094 -54.7 -58.2 65 3.5 -54.8 354 103 310.6 310.6 285.6 310.8 0.05 24 255 9955 -57.5 -60.9 65 3.4 -57.5 350 106 318.8 318.8 288.4 318.9 0.04 25 250 10080 -57.9 -61.3 65 3.4 -58.0 350 106 320.0 320.0 288.8 320.1 0.04 26 234 10498 -59.1 -62.6 64 3.5 -59.2 355 101 324.3 324.3 290.1 324.4 0.04 27 214 11066 -55.1 -58.6 65 3.5 -55.2 352 81 338.9 338.9 294.1 339.2 0.07 28 213 11096 -54.9 -58.4 65 3.5 -55.0 352 80 339.7 339.7 294.3 339.9 0.07 29 200 11500 -54.9 -58.6 63 3.7 -55.0 350 66 345.8 345.8 295.8 346.1 0.07 30 180 12173 -53.9 -57.9 61 4.0 -54.0 346 59 358.0 358.1 298.4 358.4 0.09 31 150 13340 -54.1 -58.8 56 4.7 -54.3 340 46 376.9 376.9 301.8 377.3 0.09 32 109 15388 -54.1 -60.1 48 6.0 -54.4 332 37 412.9 412.9 306.9 413.4 0.11 33 100 15940 -54.3 -61.3 42 7.0 -54.6 330 35 422.8 422.8 308.1 423.3 0.10 34 85 16987 -52.3 -61.3 33 9.0 -52.9 328 30 447.0 447.0 310.6 447.6 0.12 35 84 17063 -52.1 -61.1 33 9.0 -52.7 328 29 448.9 448.9 310.8 449.6 0.12 36 70 18240 -53.5 -64.5 25 11.0 -54.2 325 23 469.9 470.0 312.7 470.5 0.09 37 58 19446 -55.1 -69.1 16 14.0 -55.8 322 23 492.3 492.3 314.4 492.7 0.06 38 51 20272 -52.7 -68.7 13 16.0 -53.8 320 23 516.4 516.4 316.1 516.8 0.07 39 50 20400 -52.5 -68.5 13 16.0 -53.7 320 23 519.8 519.8 316.3 520.2 0.08 40 40 21840 -53.3 -71.3 9 18.0 -54.6 552.0 552.0 318.2 552.4 0.06 41 36 22517 -54.3 -73.3 8 19.0 -55.6 566.3 566.3 319.0 566.7 0.05 TRP 234 10498 -59.1 -62.6 64 3.5 -59.2 355 101 324.3 324.3 290.1 324.4 0.04 WND 255 9955 -57.5 -60.9 65 3.4 -57.5 350 106 318.8 318.8 288.4 318.9 0.04 Sounding variables and indices 1000-500 mb thick: 5254.00 m Freezing level: 1012.00 mb = 70.79 m = 232.25 ft Wetbulb zero: Below ground Precipitable water: 0.35 inches Sfc-500 mean rel hum: 78.14 % Est. max temperature: 4.89 C = 40.80 F Sfc-Lift cond lev (LCL): 865.11 mb = 1305.10 m = 4281.76 ft T: -7.35 C 700-500 lapse rate: 5.46 C/km ThetaE index: 0.79 C Layer 1000.0- 948.0 mb Conv cond level (CCL): 659.69 mb = 3374.89 m = 11072.33 ft Mean mixing ratio: 1.71 g/kg Conv temperature: 17.87 C = 64.17 F Cap Strength: 16.36 C Lifted Index: 18.99 C Risk: None Lifted Index @300 mb: 25.18 C Lifted Index @700 mb: 11.21 C Showalter Index: 14.86 C Risk: None Total Totals Index: 34.10 C Risk: None Vertical Totals Index: 18.60 C Cross Totals Index: 15.50 C K Index: 5.00 Risk: None Sweat Index: 94.00 Risk: None Energy Index: 4.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.33 J/kg Max Up Vert Vel: 4.55 m/s Conv Inhibition (B-): 45541.54 J/kg Cap Strength: 18.76 C Lift Cond Lev (LCL): 856.46 mb = 1383.19 m = 4537.98 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 354 at 29 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 1012 71 190 3 0.5 3.0 | 175 31 -2.6 31.4 1 1000 166 200 11 3.8 10.3 | 181 39 0.7 38.7 2 925 782 220 23 14.8 17.6 | 194 47 11.7 46.0 3 850 1442 230 13 10.0 8.4 | 191 37 6.9 36.8 4 700 2931 315 31 21.9 -21.9 | 251 20 18.8 6.5 5 500 5420 340 68 23.3 -63.9 | 330 41 20.2 -35.5 6 400 7000 355 93 8.1 -92.6 | 356 64 5.0 -64.2 7 300 8920 355 103 9.0 -102.6 | 355 74 5.9 -74.2 8 255 9955 350 106 18.4 -104.4 | 349 78 15.3 -76.0 9 250 10080 350 106 18.4 -104.4 | 349 78 15.3 -76.0 10 234 10498 355 101 8.8 -100.6 | 355 72 5.7 -72.2 11 200 11500 350 66 11.5 -65.0 | 347 38 8.4 -36.6 12 150 13340 340 46 15.7 -43.2 | 320 19 12.6 -14.8 13 100 15940 330 35 17.5 -30.3 | 278 15 14.4 -1.9 14 70 18240 325 23 13.2 -18.8 | 226 14 10.1 9.6 15 50 20400 320 23 14.8 -17.6 | 227 16 11.7 10.8 Wind Parameters Mean winds (0-6000m): 323.8 at 38.1 knts Storm direction: 353.8 at 28.6 knts Shear (0-3000m) pos: 6.0 neg: 0.0 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 82.0 deg Storm rel helicity (0-3000m) pos: 419.2 neg: -22.2 tot: 397.0 m^2/s^2 ave: 132.3 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 12.1 stream: 7.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.04 Bulk Shear: 276.38 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 ------------------------------------------------------------------------------- 500 207 13 184 40| 16.6 0.0 16.6| 99.5 0.0 99.5 199.1 0.57| 17.2 9.8 1000 216 17 189 43| 8.4 0.0 8.4|146.7 -6.4 140.3 140.3 0.50| 13.2 6.6 1500 219 17 190 42| 4.4 0.0 4.4|165.4 -22.2 143.2 95.5 0.40| 11.4 4.6 2000 228 17 193 41| 5.2 0.0 5.2|263.5 -22.2 241.3 120.6 0.53| 11.3 6.0 2500 244 18 200 39| 5.7 0.0 5.7|354.9 -22.2 332.7 133.1 0.60| 11.8 7.1 3000 264 20 209 35| 6.0 0.0 6.0|419.2 -22.2 397.0 132.3 0.64| 12.1 7.7 4000 292 25 227 28| 6.5 0.0 6.5|510.7 -22.2 488.5 122.1 0.70| 11.2 7.8 5000 312 31 250 22| 6.7 0.0 6.7|628.4 -22.2 606.2 121.2 0.71| 10.8 7.7 6000 324 38 277 20| 6.9 0.0 6.9|787.7 -22.2 765.5 127.6 0.71| 10.7 7.6 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20250419.00.gif