UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042300.upa.cvt Date: 0000Z 23 APR 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 23 APR 25 Station: U2271 WMO ident: 22271 Latitude: 67.88 Longitude: 44.13 ------------------------------------------------------------------------------- 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 1022 12 -4.9 -6.6 88 1.7 -5.4 200 11 266.6 267.0 266.5 272.7 2.28 1 1003 160 -2.3 -3.9 89 1.6 -2.9 230 20 270.6 271.1 270.1 278.3 2.85 2 1000 184 -2.3 -4.1 87 1.8 -3.0 235 21 270.9 271.3 270.2 278.5 2.82 3 991 256 -2.3 -4.3 86 2.0 -3.0 238 22 271.6 272.0 270.6 279.2 2.80 4 984 312 -2.5 -4.5 86 2.0 -3.2 240 23 271.9 272.4 270.8 279.5 2.78 5 973 401 -2.5 -8.5 63 6.0 -4.4 244 24 272.8 273.1 270.2 278.5 2.06 6 925 799 -5.1 -12.1 58 7.0 -7.1 260 29 274.1 274.4 270.4 278.7 1.63 7 920 842 -5.3 -13.3 53 8.0 -7.5 260 29 274.3 274.6 270.2 278.5 1.49 8 881 1180 -8.3 -21.3 34 13.0 -11.1 263 29 274.6 274.8 269.2 276.9 0.79 9 850 1456 -11.3 -24.3 33 13.0 -13.7 265 29 274.3 274.4 268.8 276.2 0.63 10 839 1556 -12.3 -22.3 43 10.0 -14.2 266 29 274.3 274.4 269.0 276.5 0.76 11 823 1702 -13.3 -21.3 51 8.0 -14.9 268 30 274.7 274.9 269.4 277.2 0.85 12 748 2422 -18.3 -30.3 34 12.0 -20.0 278 33 276.9 277.0 270.0 278.2 0.41 13 708 2833 -17.5 -29.5 34 12.0 -19.3 284 35 282.2 282.3 273.2 283.6 0.47 14 700 2918 -17.7 -31.7 28 14.0 -19.7 285 35 282.9 282.9 273.5 284.1 0.38 15 671 3232 -20.1 -36.1 23 16.0 -22.0 286 36 283.6 283.7 273.7 284.5 0.26 16 642 3556 -22.9 -34.9 33 12.0 -24.2 286 36 284.1 284.1 274.0 285.0 0.31 17 620 3811 -23.1 -29.1 58 6.0 -23.9 287 37 286.7 286.8 275.9 288.4 0.56 18 581 4282 -26.1 -29.2 75 3.1 -26.5 288 38 288.6 288.7 276.9 290.4 0.59 19 510 5211 -31.9 -34.1 81 2.2 -32.1 290 40 292.5 292.6 278.6 293.8 0.42 20 500 5350 -33.5 -35.5 82 2.0 -33.7 290 40 292.2 292.3 278.3 293.4 0.37 21 400 6880 -44.3 -46.7 77 2.4 -44.4 295 48 297.4 297.4 280.4 297.9 0.14 22 372 7365 -48.3 -50.6 77 2.3 -48.4 294 53 298.3 298.4 280.8 298.7 0.10 23 359 7599 -50.7 -53.4 73 2.7 -50.8 293 56 298.2 298.2 280.7 298.4 0.07 24 309 8571 -55.0 -58.3 67 3.2 -55.1 290 66 305.2 305.2 283.5 305.4 0.05 25 304 8675 -55.5 -58.8 67 3.3 -55.6 290 64 306.0 306.0 283.8 306.1 0.05 26 300 8760 -55.5 -58.8 67 3.3 -55.6 290 64 307.1 307.1 284.3 307.3 0.05 27 294 8889 -55.5 -58.9 66 3.4 -55.6 290 62 308.9 308.9 284.9 309.1 0.05 28 250 9930 -51.7 -55.9 61 4.2 -51.8 290 50 329.2 329.2 291.6 329.5 0.08 29 200 11380 -49.3 -56.3 44 7.0 -49.6 300 40 354.7 354.7 297.7 355.1 0.09 30 190 11717 -48.3 -56.3 39 8.0 -48.7 299 39 361.6 361.6 299.1 362.0 0.10 31 150 13270 -49.7 -59.7 30 10.0 -50.1 295 35 384.4 384.4 303.0 384.8 0.08 32 138 13814 -50.9 -61.9 26 11.0 -51.4 296 33 391.6 391.6 304.0 391.9 0.07 33 125 14462 -48.5 -60.5 24 12.0 -49.2 297 31 407.2 407.2 306.2 407.6 0.09 34 100 15920 -51.7 -64.7 20 13.0 -52.3 300 25 427.8 427.9 308.6 428.2 0.06 35 70 18230 -53.1 -68.1 15 15.0 -53.9 300 21 470.8 470.8 312.7 471.1 0.06 36 55 19778 -52.5 -68.5 13 16.0 -53.6 311 20 505.8 505.8 315.4 506.2 0.07 37 50 20390 -53.5 -69.5 13 16.0 -54.5 315 19 517.4 517.4 316.2 517.8 0.07 38 30 23650 -57.3 -74.3 10 17.0 -58.5 340 15 588.4 588.5 320.1 588.8 0.05 39 26 24552 -58.1 -74.1 11 16.0 -59.3 347 13 610.7 610.8 321.1 611.2 0.06 40 24 25061 -54.3 -71.3 11 17.0 -56.1 351 12 635.9 636.0 322.2 636.8 0.11 41 20 26230 -53.9 -70.9 11 17.0 -56.1 360 9 671.2 671.2 323.5 672.3 0.13 42 18 26907 -53.9 -71.9 9 18.0 -56.3 691.7 691.8 324.2 692.8 0.13 43 15 28090 -49.3 -68.3 9 19.0 -53.4 744.0 744.2 325.8 746.4 0.26 TRP 304 8675 -55.5 -58.8 67 3.3 -55.6 290 64 306.0 306.0 283.8 306.1 0.05 WND 309 8571 -55.0 -58.3 67 3.2 -55.1 290 66 305.2 305.2 283.5 305.4 0.05 Sounding variables and indices 1000-500 mb thick: 5166.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 53.58 % Est. max temperature: 3.10 C = 37.58 F Sfc-Lift cond lev (LCL): 994.75 mb = 225.69 m = 740.45 ft T: -2.30 C 700-500 lapse rate: 6.50 C/km ThetaE index: 2.52 C Layer 920.0- 839.0 mb Conv cond level (CCL): 873.37 mb = 1246.71 m = 4090.20 ft Mean mixing ratio: 2.21 g/kg Conv temperature: 3.12 C = 37.61 F Cap Strength: 12.20 C Lifted Index: 11.89 C Risk: None Lifted Index @300 mb: 20.53 C Lifted Index @700 mb: 6.36 C Showalter Index: 13.41 C Risk: None Total Totals Index: 31.40 C Risk: None Vertical Totals Index: 22.20 C Cross Totals Index: 9.20 C K Index: -16.10 Risk: None Sweat Index: 98.00 Risk: None Energy Index: 3.60 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.81 J/kg Max Up Vert Vel: 6.75 m/s Conv Inhibition (B-): 62944.55 J/kg Cap Strength: 12.11 C Lift Cond Lev (LCL): 907.24 mb = 950.56 m = 3118.60 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 310 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 1022 12 200 11 3.8 10.3 | 149 31 -15.8 26.7 1 1000 184 235 21 17.2 12.0 | 175 29 -2.3 28.4 2 925 799 260 29 28.6 5.0 | 203 23 9.0 21.4 3 850 1456 265 29 28.9 2.5 | 206 21 9.4 18.9 4 700 2918 285 35 33.8 -9.1 | 243 16 14.3 7.3 5 500 5350 290 40 37.6 -13.7 | 262 18 18.1 2.7 6 400 6880 295 48 43.5 -20.3 | 279 24 24.0 -3.9 7 309 8571 290 66 62.0 -22.6 | 278 43 42.5 -6.2 8 304 8675 290 64 60.1 -21.9 | 278 41 40.6 -5.5 9 300 8760 290 64 60.1 -21.9 | 278 41 40.6 -5.5 10 250 9930 290 50 47.0 -17.1 | 272 27 27.5 -0.7 11 200 11380 300 40 34.6 -20.0 | 283 16 15.1 -3.6 12 150 13270 295 35 31.7 -14.8 | 263 12 12.2 1.6 13 100 15920 300 25 21.7 -12.5 | 209 4 2.1 3.9 14 70 18230 300 21 18.2 -10.5 | 167 6 -1.3 5.9 15 50 20390 315 19 13.4 -13.4 | 116 7 -6.1 2.9 16 30 23650 340 15 5.1 -14.1 | 99 15 -14.4 2.3 17 20 26230 360 9 -0.0 -9.0 | 111 21 -19.5 7.4 Wind Parameters Mean winds (0-6000m): 280.0 at 34.0 knts Storm direction: 310.0 at 25.5 knts Shear (0-3000m) pos: 6.2 neg: 0.0 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 94.2 deg Storm rel helicity (0-3000m) pos: 258.4 neg: 0.0 tot: 258.4 m^2/s^2 ave: 86.1 10^-3 m/s^2 rel: 0.92 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 6.7 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.31 Bulk Shear: 72.65 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 ------------------------------------------------------------------------------- 500 237 21 176 28| 20.3 0.0 20.3|153.8 0.0 153.8 307.5 0.96| 21.4 20.6 1000 250 24 187 25| 13.2 0.0 13.2|195.9 0.0 195.9 195.9 0.94| 14.6 13.6 1500 255 26 193 24| 9.1 0.0 9.1|203.4 0.0 203.4 135.6 0.91| 10.4 9.5 2000 259 27 198 23| 7.7 0.0 7.7|222.9 0.0 222.9 111.4 0.91| 8.9 8.1 2500 263 28 203 21| 6.8 0.0 6.8|242.0 0.0 242.0 96.8 0.91| 8.0 7.3 3000 267 29 208 20| 6.2 0.0 6.2|258.4 0.0 258.4 86.1 0.92| 7.4 6.7 4000 273 31 217 19| 4.9 0.0 4.9|268.4 0.0 268.4 67.1 0.92| 5.8 5.3 5000 277 32 226 18| 4.2 0.0 4.2|278.8 0.0 278.8 55.8 0.92| 4.9 4.5 6000 280 34 233 17| 3.9 0.0 3.9|297.4 0.0 297.4 49.6 0.91| 4.5 4.1 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20250423.00.gif