UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102112.upa.cvt Date: 1200Z 21 OCT 25 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 21 OCT 25 Station: U2820 WMO ident: 22820 Latitude: 61.82 Longitude: 34.27 ------------------------------------------------------------------------------- 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 1003 109 7.6 2.9 72 4.7 5.4 225 3 280.5 281.3 278.4 293.5 4.70 1 1000 134 5.8 1.5 74 4.3 3.8 225 3 279.0 279.7 277.0 290.7 4.26 2 971 374 3.6 0.1 78 3.5 2.1 234 8 279.1 279.8 276.7 290.1 3.96 3 925 768 2.4 -2.6 70 5.0 0.3 250 17 281.8 282.3 277.3 291.4 3.41 4 904 953 1.4 -4.6 64 6.0 -1.0 251 16 282.6 283.1 277.2 291.1 3.00 5 850 1445 -3.3 -8.3 68 5.0 -5.0 255 13 282.7 283.1 276.5 289.6 2.40 6 818 1747 -5.7 -9.3 76 3.6 -6.9 257 14 283.3 283.7 276.6 289.9 2.31 7 811 1815 -4.5 -8.1 76 3.6 -5.8 257 14 285.2 285.7 278.0 292.6 2.56 8 790 2022 -1.1 -9.1 55 8.0 -4.0 259 15 291.0 291.5 280.6 298.2 2.43 9 775 2175 -1.7 -13.7 39 12.0 -5.6 260 15 292.0 292.3 280.1 297.2 1.71 10 721 2748 -3.1 -19.1 28 16.0 -7.7 263 16 296.5 296.7 281.4 300.2 1.17 11 700 2981 -5.1 -24.1 21 19.0 -9.8 265 17 296.8 297.0 281.0 299.3 0.78 12 677 3243 -6.1 -27.1 17 21.0 -10.9 265 17 298.6 298.7 281.5 300.6 0.61 13 584 4380 -14.7 -24.7 42 10.0 -16.9 268 18 301.4 301.6 283.1 304.3 0.88 14 560 4697 -15.7 -23.7 50 8.0 -17.5 268 18 303.9 304.1 284.2 307.2 1.01 15 514 5336 -21.3 -26.3 64 5.0 -22.2 270 19 304.7 304.8 284.4 307.5 0.87 16 500 5540 -20.7 -25.5 65 4.8 -21.7 270 19 307.8 308.0 285.7 311.0 0.96 17 494 5629 -20.9 -25.7 65 4.8 -21.9 272 19 308.6 308.8 285.9 311.8 0.95 18 491 5674 -20.7 -25.5 65 4.8 -21.7 274 19 309.4 309.6 286.3 312.7 0.98 19 453 6265 -24.5 -33.5 43 9.0 -25.8 290 20 311.8 311.9 286.6 313.6 0.50 20 432 6610 -26.5 -34.5 47 8.0 -27.6 299 20 313.6 313.7 287.2 315.2 0.47 21 400 7160 -31.3 -38.3 50 7.0 -32.1 315 21 314.3 314.4 287.3 315.6 0.35 22 300 9130 -47.9 -53.9 50 6.0 -48.1 310 29 317.8 317.9 288.1 318.2 0.08 23 250 10300 -57.5 -63.5 46 6.0 -57.6 320 33 320.6 320.6 288.9 320.7 0.03 24 214 11267 -65.1 -71.1 43 6.0 -65.1 320 38 323.3 323.3 289.8 323.4 0.01 25 205 11529 -64.5 -70.5 43 6.0 -64.6 320 39 328.3 328.3 291.2 328.3 0.01 26 200 11680 -65.3 -71.3 43 6.0 -65.4 320 40 329.3 329.4 291.5 329.4 0.01 27 186 12121 -65.7 -71.7 43 6.0 -65.7 317 37 335.6 335.6 293.2 335.7 0.01 28 166 12820 -60.5 -66.5 45 6.0 -60.6 314 32 355.4 355.4 297.8 355.5 0.03 29 160 13049 -60.3 -66.3 45 6.0 -60.4 312 30 359.5 359.5 298.6 359.6 0.03 30 150 13450 -61.1 -68.1 39 7.0 -61.2 310 27 364.8 364.8 299.7 364.9 0.03 31 116 15058 -58.7 -67.7 30 9.0 -58.9 307 26 397.1 397.1 304.8 397.3 0.04 32 100 15990 -59.3 -69.3 26 10.0 -59.5 305 25 413.2 413.2 306.9 413.3 0.03 33 71 18113 -62.9 -75.9 16 13.0 -63.1 286 25 448.0 448.0 310.7 448.1 0.02 34 70 18200 -62.1 -75.1 16 13.0 -62.4 285 25 451.5 451.5 311.0 451.6 0.02 35 66 18564 -60.7 -74.7 14 14.0 -61.0 283 23 462.2 462.2 312.0 462.4 0.02 36 58 19361 -64.3 -78.3 13 14.0 -64.6 279 19 471.5 471.5 312.8 471.6 0.02 37 50 20270 -63.3 -78.3 11 15.0 -63.7 275 15 494.3 494.3 314.5 494.4 0.02 38 46 20783 -63.5 -79.5 10 16.0 -63.8 274 17 505.8 505.8 315.4 505.9 0.02 39 37 22108 -67.3 -83.3 9 16.0 -67.6 272 23 528.5 528.5 316.8 528.6 0.01 40 30 23380 -65.1 -82.1 8 17.0 -65.5 270 29 567.2 567.2 319.0 567.3 0.02 41 24 24727 -68.3 -85.3 7 17.0 -68.7 262 31 595.2 595.2 320.4 595.3 0.01 42 20 25830 -64.5 -82.5 7 18.0 -65.3 255 33 638.7 638.7 322.3 638.9 0.02 43 18 26472 -64.5 -83.5 6 19.0 -65.3 256 37 658.3 658.3 323.0 658.4 0.02 44 13 28443 -67.3 -86.3 5 19.0 -68.1 258 49 712.8 712.8 324.8 712.9 0.02 45 10 30050 -59.9 -80.9 5 21.0 -62.1 260 58 796.0 796.0 327.1 796.5 0.06 46 9.7 30241 -57.7 -79.7 4 22.0 -60.6 811.2 811.2 327.5 811.9 0.07 47 8.0 31453 -59.3 -82.3 4 23.0 -62.1 850.8 850.8 328.4 851.4 0.06 48 7.4 31947 -54.5 -78.5 4 24.0 -59.0 889.5 889.6 329.2 890.7 0.11 49 6.4 32873 -56.1 -79.1 4 23.0 -60.4 920.4 920.5 329.8 921.8 0.12 50 5.9 33393 -53.7 -77.7 4 24.0 -59.2 952.5 952.6 330.4 954.4 0.16 51 5.7 33616 -50.3 -74.3 4 24.0 -57.3 976.9 977.0 330.8 980.3 0.29 52 5.0 34471 -50.6 -74.6 4 24.0 -58.0 250 71 1012.6 1012.8 331.4 1016.4 0.31 53 4.9 34603 -50.7 -74.7 4 24.0 -58.1 1018.2 1018.4 331.5 1022.1 0.31 TRP 214 11267 -65.1 -71.1 43 6.0 -65.1 320 38 323.3 323.3 289.8 323.4 0.01 WND 5.0 34471 -50.6 -74.6 4 24.0 -58.0 250 71 1012.6 1012.8 331.4 1016.4 0.31 Sounding variables and indices 1000-500 mb thick: 5406.00 m Freezing level: 887.91 mb = 1099.74 m = 3608.03 ft Wetbulb zero: 919.91 mb = 812.56 m = 2665.84 ft Precipitable water: 0.42 inches Sfc-500 mean rel hum: 49.53 % Est. max temperature: 9.78 C = 49.60 F Sfc-Lift cond lev (LCL): 933.39 mb = 694.73 m = 2279.28 ft T: 2.62 C 700-500 lapse rate: 6.10 C/km ThetaE index: 3.44 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 859.49 mb = 1356.34 m = 4449.87 ft Mean mixing ratio: 3.72 g/kg Conv temperature: 9.77 C = 49.59 F Cap Strength: 12.82 C Lifted Index: 14.93 C Risk: None Lifted Index @300 mb: 19.23 C Lifted Index @700 mb: 10.00 C Showalter Index: 15.84 C Risk: None Total Totals Index: 29.80 C Risk: None Vertical Totals Index: 17.40 C Cross Totals Index: 12.40 C K Index: -9.90 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 4.51 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.40 J/kg Max Up Vert Vel: 4.98 m/s Conv Inhibition (B-): 67054.73 J/kg Cap Strength: 13.40 C Lift Cond Lev (LCL): 889.16 mb = 1085.46 m = 3561.16 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 294 at 12 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 1003 109 225 3 2.1 2.1 | 128 11 -8.9 7.1 1 1000 134 225 3 2.1 2.1 | 128 11 -8.9 7.1 2 925 768 250 17 16.0 5.8 | 204 12 4.9 10.8 3 850 1445 255 13 12.6 3.4 | 190 8 1.5 8.3 4 700 2981 265 17 16.9 1.5 | 222 9 5.9 6.5 5 500 5540 270 19 19.0 -0.0 | 238 9 7.9 5.0 6 400 7160 315 21 14.8 -14.8 | 339 11 3.8 -9.9 7 300 9130 310 29 22.2 -18.6 | 321 18 11.2 -13.7 8 250 10300 320 33 21.2 -25.3 | 333 23 10.2 -20.3 9 214 11267 320 38 24.4 -29.1 | 331 28 13.4 -24.1 10 200 11680 320 40 25.7 -30.6 | 330 30 14.7 -25.7 11 150 13450 310 27 20.7 -17.4 | 322 16 9.6 -12.4 12 100 15990 305 25 20.5 -14.3 | 315 13 9.4 -9.4 13 70 18200 285 25 24.1 -6.5 | 276 13 13.1 -1.5 14 50 20270 275 15 14.9 -1.3 | 227 5 3.9 3.7 15 30 23380 270 29 29.0 -0.0 | 254 19 17.9 5.0 16 20 25830 255 33 31.9 8.5 | 237 25 20.8 13.5 17 10 30050 260 58 57.1 10.1 | 252 48 46.1 15.1 Wind Parameters Mean winds (0-6000m): 264.3 at 16.2 knts Storm direction: 294.3 at 12.1 knts Shear (0-3000m) pos: 2.6 neg: 0.0 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 94.6 deg Storm rel helicity (0-3000m) pos: 52.5 neg: -5.7 tot: 46.8 m^2/s^2 ave: 15.6 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.05 Bulk Shear: 11.85 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 ------------------------------------------------------------------------------- 500 240 8 155 10| 11.0 0.0 11.0| 31.0 0.0 31.0 62.0 0.99| 11.2 11.1 1000 248 12 180 9| 6.4 0.0 6.4| 41.9 -2.7 39.2 39.2 0.82| 8.5 7.0 1500 250 13 185 9| 3.8 0.0 3.8| 42.6 -5.7 36.9 24.6 0.67| 6.4 4.3 2000 252 13 188 9| 3.2 0.0 3.2| 46.1 -5.7 40.3 20.2 0.70| 5.2 3.6 2500 255 13 192 9| 2.8 0.0 2.8| 49.6 -5.7 43.8 17.5 0.72| 4.5 3.2 3000 257 14 197 9| 2.6 0.0 2.6| 52.5 -5.7 46.8 15.6 0.73| 4.0 2.9 4000 259 15 204 8| 2.0 0.0 2.0| 54.8 -5.7 49.1 12.3 0.74| 3.1 2.3 5000 262 16 211 8| 1.7 0.0 1.7| 57.1 -5.7 51.4 10.3 0.75| 2.6 1.9 6000 264 16 217 8| 1.6 0.0 1.6| 69.7 -5.7 64.0 10.7 0.79| 2.7 2.1 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251021.12.gif