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 U2271... Searching the city database file for: U2271 ... Date:0000Z 19 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 ------------------------------------------------------------------------------- 0 1000 -64 250 15 SFC 991 9 2.2 1.2 93 1.0 1.8 250 15 276.1 276.8 275.4 287.5 4.21 2 936 471 2.4 0.9 90 1.5 1.7 271 42 280.8 281.6 278.1 292.9 4.36 3 925 566 1.6 -0.1 88 1.7 0.8 275 48 280.9 281.6 277.8 292.4 4.10 4 869 1066 -2.5 -3.0 96 0.5 -2.7 271 45 281.7 282.3 277.5 291.7 3.52 5 852 1224 -0.5 -0.9 97 0.4 -0.7 270 44 285.4 286.2 280.1 297.3 4.20 6 850 1243 -0.5 -0.9 97 0.4 -0.7 270 44 285.6 286.4 280.3 297.6 4.21 7 846 1281 -0.7 -1.1 97 0.4 -0.9 270 44 285.8 286.5 280.3 297.6 4.17 8 795 1775 -2.9 -7.6 70 4.7 -4.6 270 47 288.6 289.1 279.8 296.5 2.71 9 753 2204 -3.3 -18.3 30 15.0 -7.6 270 50 292.7 292.9 279.7 296.4 1.20 10 741 2331 -3.5 -20.5 25 17.0 -8.1 270 51 293.8 294.0 280.0 297.0 1.01 11 714 2623 -6.3 -25.3 21 19.0 -10.7 270 53 293.8 294.0 279.6 296.0 0.68 12 700 2778 -5.9 -26.9 17 21.0 -10.6 270 54 296.0 296.1 280.4 297.9 0.60 13 581 4216 -13.1 -36.1 13 23.0 -16.9 270 62 303.7 303.8 283.3 304.8 0.30 14 576 4281 -14.1 -37.1 12 23.0 -17.7 270 63 303.3 303.4 283.1 304.3 0.27 15 573 4321 -16.5 -35.5 18 19.0 -19.4 270 63 301.0 301.0 282.2 302.1 0.32 16 524 4987 -20.5 -34.5 27 14.0 -22.6 270 67 303.9 304.0 283.5 305.3 0.39 17 519 5058 -22.9 -34.9 33 12.0 -24.5 270 67 301.9 302.0 282.7 303.2 0.38 18 500 5330 -24.7 -35.7 35 11.0 -26.1 270 69 302.9 303.0 283.1 304.2 0.36 19 459 5944 -29.5 -38.5 41 9.0 -30.4 268 74 304.4 304.5 283.6 305.5 0.30 20 446 6146 -33.7 -41.7 44 8.0 -34.3 267 76 301.7 301.7 282.4 302.4 0.22 21 414 6664 -36.1 -42.1 54 6.0 -36.5 266 80 305.1 305.1 283.7 305.9 0.23 22 405 6815 -38.3 -43.6 57 5.4 -38.6 265 81 304.2 304.2 283.4 304.9 0.20 23 400 6900 -39.5 -44.5 59 5.0 -39.8 265 79 303.7 303.7 283.1 304.3 0.18 24 397 6952 -40.7 -46.7 52 6.0 -41.0 265 79 302.7 302.8 282.7 303.3 0.14 25 338 8037 -46.1 -51.1 57 5.0 -46.3 268 77 309.6 309.7 285.3 310.0 0.10 26 319 8420 -50.3 -55.3 55 5.0 -50.4 269 76 309.0 309.0 285.0 309.2 0.07 27 300 8820 -52.1 -58.1 48 6.0 -52.2 270 75 311.9 311.9 286.1 312.1 0.05 28 294 8951 -52.9 -58.9 48 6.0 -53.0 270 75 312.6 312.6 286.3 312.8 0.05 29 250 10000 -51.9 -58.9 43 7.0 -52.1 280 58 328.9 328.9 291.5 329.1 0.05 30 234 10428 -51.3 -58.3 43 7.0 -51.5 281 56 336.1 336.1 293.4 336.4 0.06 31 204 11312 -53.7 -61.7 37 8.0 -53.9 285 51 345.8 345.8 295.7 346.0 0.05 32 200 11440 -51.1 -59.1 38 8.0 -51.4 285 50 351.8 351.9 297.1 352.1 0.07 33 150 13310 -51.5 -61.5 29 10.0 -51.9 295 36 381.3 381.3 302.5 381.6 0.06 34 101 15876 -52.5 -64.5 22 12.0 -53.1 315 29 425.1 425.1 308.3 425.4 0.06 35 100 15940 -52.3 -64.3 22 12.0 -52.9 315 29 426.7 426.7 308.5 427.0 0.07 36 70 18240 -52.3 -66.3 17 14.0 -53.1 330 29 472.5 472.5 312.9 472.9 0.07 37 50 20410 -52.5 -67.5 15 15.0 -53.7 340 31 519.8 519.8 316.3 520.3 0.09 38 40 21846 -54.3 -69.3 14 15.0 -55.5 342 29 549.5 549.5 318.1 550.1 0.08 39 32 23283 -52.1 -68.1 13 16.0 -53.8 344 28 591.6 591.6 320.3 592.5 0.12 40 30 23700 -53.5 -69.5 13 16.0 -55.1 345 27 598.8 598.8 320.6 599.6 0.11 41 28 24145 -53.9 -69.9 12 16.0 -55.5 347 29 609.6 609.7 321.1 610.5 0.11 42 20 26320 -52.1 -69.1 11 17.0 -54.6 355 38 676.7 676.8 323.7 678.2 0.17 43 10 30836 -49.3 -67.3 10 18.0 -54.4 835.5 835.7 328.2 840.2 0.45 TRP 294 8951 -52.9 -58.9 48 6.0 -53.0 270 75 312.6 312.6 286.3 312.8 0.05 WND 405 6815 -38.3 -43.6 57 5.4 -38.6 265 81 304.2 304.2 283.4 304.9 0.20 Sounding variables and indices 1000-500 mb thick: 5394.00 m Freezing level: 903.15 mb = 761.31 m = 2497.69 ft Wetbulb zero: 911.73 mb = 681.81 m = 2236.88 ft Precipitable water: 0.41 inches Sfc-500 mean rel hum: 44.98 % Est. max temperature: 12.17 C = 53.91 F Sfc-Lift cond lev (LCL): 975.63 mb = 135.40 m = 444.23 ft T: 2.25 C 700-500 lapse rate: 7.37 C/km ThetaE index: 1.27 C Layer 795.0- 741.0 mb Conv cond level (CCL): 897.77 mb = 805.49 m = 2642.66 ft Mean mixing ratio: 4.15 g/kg Conv temperature: 7.46 C = 45.42 F Cap Strength: 12.90 C Lifted Index: 10.67 C Risk: None Lifted Index @300 mb: 14.74 C Lifted Index @700 mb: 8.96 C Showalter Index: 5.98 C Risk: None Total Totals Index: 48.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.20 C Cross Totals Index: 23.80 C K Index: 2.30 Risk: None Sweat Index: 157.00 Risk: None Energy Index: 1.42 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.45 J/kg Max Up Vert Vel: 6.39 m/s Conv Inhibition (B-): 72782.31 J/kg Cap Strength: 12.85 C Lift Cond Lev (LCL): 920.46 mb = 605.40 m = 1986.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 300 at 41 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 ---------------------------------------------------------- 0 991 9 250 15 14.1 5.1 | 140 34 -21.8 25.8 1 925 566 275 48 47.8 -4.2 | 216 20 12.0 16.5 2 850 1243 270 44 44.0 -0.0 | 201 22 8.1 20.7 3 700 2778 270 54 54.0 -0.0 | 221 28 18.1 20.7 4 500 5330 270 69 69.0 -0.0 | 238 39 33.1 20.7 5 405 6815 265 81 80.7 7.1 | 238 53 44.8 27.8 6 400 6900 265 79 78.7 6.9 | 237 51 42.8 27.6 7 300 8820 270 75 75.0 -0.0 | 242 44 39.1 20.7 8 294 8951 270 75 75.0 -0.0 | 242 44 39.1 20.7 9 250 10000 280 58 57.1 -10.1 | 243 24 21.3 10.6 10 200 11440 285 50 48.3 -12.9 | 238 15 12.4 7.8 11 150 13310 295 36 32.6 -15.2 | 150 6 -3.2 5.5 12 100 15940 315 29 20.5 -20.5 | 91 15 -15.3 0.2 13 70 18240 330 29 14.5 -25.1 | 78 22 -21.4 -4.4 14 50 20410 340 31 10.6 -29.1 | 72 27 -25.3 -8.4 15 30 23700 345 27 7.0 -26.1 | 79 29 -28.9 -5.4 16 20 26320 355 38 3.3 -37.9 | 62 37 -32.5 -17.1 Wind Parameters Mean winds (0-6000m): 270.0 at 55.2 knts Storm direction: 300.0 at 41.4 knts Shear (0-3000m) pos: 5.4 neg: 1.9 tot: 7.2 10-3/s Storm rel Dir Shear (0-3000m): 83.4 deg Storm rel helicity (0-3000m) pos: 279.0 neg: -26.7 tot: 252.3 m^2/s^2 ave: 84.1 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 8.9 stream: 6.4 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.24 Bulk Shear: 85.95 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 ------------------------------------------------------------------------------- 500 268 30 164 22| 32.2 0.0 32.2|198.8 0.0 198.8 397.5 0.91| 33.0 29.9 1000 271 38 187 20| 16.1 0.5 16.6|218.3 -17.8 200.5 200.5 0.75| 20.1 15.1 1500 271 40 193 20| 10.7 0.8 11.5|226.3 -26.7 199.6 133.1 0.69| 14.5 10.0 2000 271 42 197 21| 8.0 1.2 9.3|244.1 -26.7 217.4 108.7 0.70| 11.7 8.3 2500 271 44 202 22| 6.4 1.6 8.1|262.0 -26.7 235.3 94.1 0.71| 10.0 7.1 3000 270 45 205 22| 5.4 1.9 7.2|279.0 -26.7 252.3 84.1 0.71| 8.9 6.4 4000 270 49 212 24| 4.0 2.2 6.2|311.2 -26.7 284.5 71.1 0.71| 7.4 5.3 5000 270 52 218 26| 3.2 2.3 5.5|343.4 -26.7 316.8 63.4 0.70| 6.6 4.6 6000 270 55 223 28| 2.7 2.6 5.3|357.4 -26.7 330.7 55.1 0.64| 6.2 3.9 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20250419.00.gif