UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041512.upa.cvt Date: 1200Z 15 APR 25 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 15 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 1000 7 0.0 -1.1 92 1.1 -0.4 20 7 273.1 273.7 272.7 282.7 3.52 1 962 316 -2.9 -4.4 89 1.5 -3.4 35 11 273.3 273.7 271.8 281.1 2.86 2 925 626 -4.5 -5.0 96 0.5 -4.7 50 15 274.7 275.2 272.6 282.5 2.84 3 850 1287 -7.5 -8.9 90 1.4 -7.9 15 11 278.3 278.7 273.9 284.8 2.29 4 827 1500 -9.1 -10.0 93 0.9 -9.4 3 13 278.8 279.2 274.0 284.9 2.16 5 750 2254 -10.5 -10.9 97 0.4 -10.6 320 20 285.2 285.6 277.4 291.6 2.22 6 700 2782 -13.9 -14.7 94 0.8 -14.1 290 25 287.1 287.4 277.8 292.3 1.74 7 633 3540 -17.3 -18.1 93 0.8 -17.5 283 29 291.6 291.9 279.6 296.0 1.45 8 626 3623 -18.5 -19.2 94 0.7 -18.7 282 30 291.2 291.4 279.2 295.2 1.34 9 572 4288 -23.9 -27.9 70 4.0 -24.5 275 34 292.4 292.5 278.9 294.6 0.67 10 524 4924 -26.7 -36.7 38 10.0 -27.8 268 38 296.5 296.5 280.3 297.5 0.31 11 500 5260 -29.3 -38.3 41 9.0 -30.2 265 40 297.3 297.4 280.6 298.3 0.28 12 493 5360 -29.7 -38.7 41 9.0 -30.6 264 41 298.0 298.1 280.8 299.0 0.27 13 400 6810 -42.5 -48.5 52 6.0 -42.8 255 48 299.8 299.8 281.4 300.2 0.12 14 394 6912 -43.5 -48.5 58 5.0 -43.7 255 48 299.7 299.8 281.4 300.2 0.12 15 385 7068 -43.9 -48.9 58 5.0 -44.1 254 48 301.2 301.2 282.0 301.6 0.12 16 312 8470 -47.9 -54.9 44 7.0 -48.1 250 48 314.3 314.3 286.9 314.6 0.07 17 300 8730 -46.9 -54.9 40 8.0 -47.2 255 48 319.3 319.3 288.6 319.5 0.07 18 250 9940 -47.5 -57.5 31 10.0 -47.9 275 40 335.4 335.5 293.2 335.7 0.06 19 200 11430 -45.1 -57.1 25 12.0 -45.7 280 42 361.4 361.4 299.0 361.7 0.08 20 189 11806 -44.7 -57.7 22 13.0 -45.4 280 41 367.9 367.9 300.2 368.3 0.08 21 150 13340 -46.5 -60.5 19 14.0 -47.3 280 36 389.9 390.0 303.8 390.3 0.07 22 100 16020 -48.1 -64.1 14 16.0 -49.1 290 23 434.8 434.8 309.4 435.2 0.07 23 70 18380 -46.3 -63.3 13 17.0 -47.9 290 19 485.3 485.4 313.9 486.0 0.11 24 50 20620 -46.1 -64.1 11 18.0 -48.3 300 13 534.8 534.9 317.3 535.8 0.14 25 42 21775 -47.3 -65.3 11 18.0 -49.6 295 16 559.2 559.3 318.6 560.2 0.14 26 30 24020 -42.9 -61.9 11 19.0 -47.0 285 21 627.7 627.8 321.9 630.1 0.31 27 24 25512 -46.5 -64.5 11 18.0 -50.1 299 21 658.6 658.7 323.1 660.8 0.27 28 20 26720 -47.1 -66.1 10 19.0 -51.1 310 21 692.0 692.1 324.3 694.3 0.26 29 12 30084 -50.5 -68.5 10 18.0 -54.7 343 32 788.8 789.0 327.0 791.9 0.32 30 10 31280 -48.7 -67.7 9 19.0 -54.1 355 36 837.8 838.0 328.2 842.2 0.42 31 8.5 32347 -49.5 -68.5 9 19.0 -55.1 874.5 874.7 329.0 879.4 0.44 32 7.8 32914 -45.9 -64.9 10 19.0 -53.2 910.7 911.1 329.8 919.8 0.80 TRP 312 8470 -47.9 -54.9 44 7.0 -48.1 250 48 314.3 314.3 286.9 314.6 0.07 WND Sounding variables and indices 1000-500 mb thick: 5252.62 m Freezing level: 1000.00 mb = 7.38 m = 24.23 ft Wetbulb zero: Below ground Precipitable water: 0.40 inches Sfc-500 mean rel hum: 83.42 % Est. max temperature: 5.14 C = 41.25 F Sfc-Lift cond lev (LCL): 982.84 mb = 145.31 m = 476.75 ft T: -1.30 C 700-500 lapse rate: 6.21 C/km ThetaE index: 1.60 C Layer 962.0- 925.0 mb Conv cond level (CCL): 923.54 mb = 638.39 m = 2094.43 ft Mean mixing ratio: 2.95 g/kg Conv temperature: 1.63 C = 34.93 F Cap Strength: 12.60 C Lifted Index: 12.96 C Risk: None Lifted Index @300 mb: 26.32 C Lifted Index @700 mb: 7.17 C Showalter Index: 10.90 C Risk: None Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 20.40 C K Index: 12.10 Risk: None Sweat Index: 62.00 Risk: None Energy Index: 2.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.15 J/kg Max Up Vert Vel: 4.72 m/s Conv Inhibition (B-): 73139.42 J/kg Cap Strength: 12.90 C Lift Cond Lev (LCL): 933.99 mb = 549.61 m = 1803.17 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 313 at 19 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 7 20 7 -2.4 -6.6 | 112 18 -16.6 6.7 1 1000 8 20 7 -2.4 -6.6 | 112 18 -16.6 6.7 2 925 626 50 15 -11.5 -9.6 | 98 26 -25.7 3.7 3 850 1287 15 11 -2.8 -10.6 | 99 17 -17.1 2.7 4 700 2782 290 25 23.5 -8.6 | 243 10 9.3 4.7 5 500 5260 265 40 39.8 3.5 | 237 31 25.6 16.8 6 400 6810 255 48 46.4 12.4 | 231 41 32.1 25.7 7 312 8470 250 48 45.1 16.4 | 226 43 30.9 29.7 8 300 8730 255 48 46.4 12.4 | 231 41 32.1 25.7 9 250 9940 275 40 39.8 -3.5 | 249 27 25.6 9.8 10 200 11430 280 42 41.4 -7.3 | 258 28 27.1 6.0 11 150 13340 280 36 35.5 -6.3 | 252 22 21.2 7.0 12 100 16020 290 23 21.6 -7.9 | 234 9 7.4 5.4 13 70 18380 290 19 17.9 -6.5 | 208 8 3.6 6.8 14 50 20620 300 13 11.3 -6.5 | 156 7 -3.0 6.8 15 30 24020 285 21 20.3 -5.4 | 218 10 6.0 7.9 16 20 26720 310 21 16.1 -13.5 | 276 2 1.9 -0.2 17 10 31280 355 36 3.1 -35.9 | 26 25 -11.1 -22.6 Wind Parameters Mean winds (0-6000m): 283.1 at 26.0 knts Storm direction: 313.1 at 19.5 knts Shear (0-3000m) pos: 1.3 neg: 5.9 tot: 7.2 10-3/s Storm rel Dir Shear (0-3000m): 132.1 deg Storm rel helicity (0-3000m) pos: 3.7 neg: -62.8 tot: -59.0 m^2/s^2 ave: -19.7 10^-3 m/s^2 rel: -0.43 Storm rel vorticity (0-3000m) horiz: 8.6 stream: -3.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.09 Bulk Shear: 130.54 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 36 10 104 21| 7.9 0.0 7.9| 0.0 -24.2 -24.2 -48.3 -0.59| 8.0 -4.7 1000 41 12 101 22| 3.9 1.7 5.7| 0.1 -31.0 -30.9 -30.9 -0.38| 7.5 -2.9 1500 34 12 99 21| 2.6 3.2 5.9| 3.1 -39.5 -36.4 -24.3 -0.33| 7.3 -2.4 2000 19 13 94 18| 2.0 4.7 6.7| 3.1 -52.4 -49.3 -24.7 -0.38| 7.8 -2.9 2500 359 14 86 14| 1.6 5.7 7.3| 3.1 -57.8 -54.7 -21.9 -0.45| 8.6 -3.9 3000 337 16 80 8| 1.3 5.9 7.2| 3.7 -62.8 -59.0 -19.7 -0.43| 8.6 -3.7 4000 310 19 211 1| 1.0 5.4 6.4| 4.2 -64.9 -60.7 -15.2 -0.37| 7.5 -2.8 5000 294 23 238 8| 0.8 5.1 5.8| 4.2 -78.9 -74.7 -14.9 -0.36| 6.9 -2.5 6000 283 26 236 13| 0.7 4.7 5.4| 4.2 -97.4 -93.2 -15.5 -0.35| 6.4 -2.2 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20250415.12.gif