UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 25 APR 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 87 140 3 SFC 999 95 10.8 -2.2 40 13.0 5.1 140 3 284.0 284.6 278.3 293.3 3.25 2 933 658 4.6 -7.4 41 12.0 0.1 345 1 283.3 283.7 276.7 290.1 2.35 3 925 728 4.2 -7.8 41 12.0 -0.3 325 1 283.6 284.0 276.7 290.2 2.29 4 850 1409 -0.9 -11.9 43 11.0 -4.5 350 11 285.2 285.5 276.9 290.5 1.80 5 796 1928 -4.9 -14.9 45 10.0 -7.8 323 14 286.3 286.6 277.1 290.8 1.51 6 782 2067 -5.5 -14.5 49 9.0 -8.2 316 14 287.2 287.4 277.6 291.9 1.59 7 718 2735 -6.5 -42.5 4 36.0 -11.9 280 18 293.2 293.2 278.4 293.6 0.13 8 703 2900 -6.5 -42.5 4 36.0 -11.9 272 19 294.9 294.9 279.3 295.4 0.13 9 700 2933 -6.7 -42.7 4 36.0 -12.1 270 19 295.1 295.1 279.3 295.5 0.13 10 581 4364 -15.1 -31.1 24 16.0 -18.0 262 31 301.4 301.5 282.6 303.0 0.49 11 527 5093 -20.7 -33.7 30 13.0 -22.7 257 37 303.2 303.3 283.2 304.6 0.42 12 500 5480 -23.7 -38.7 24 15.0 -25.5 255 40 304.1 304.2 283.4 305.1 0.27 13 400 7070 -35.7 -52.7 16 17.0 -36.6 245 62 308.6 308.6 284.9 308.9 0.07 14 300 9010 -50.9 -65.9 15 15.0 -51.1 245 75 313.6 313.6 286.6 313.7 0.02 15 281 9430 -54.3 -68.3 16 14.0 -54.5 248 76 314.6 314.6 287.0 314.7 0.01 16 264 9826 -55.9 -69.4 17 13.5 -56.1 250 77 318.0 318.0 288.1 318.0 0.01 17 250 10170 -57.3 -70.3 18 13.0 -57.5 250 77 320.9 320.9 289.0 320.9 0.01 18 246 10272 -57.7 -70.7 18 13.0 -57.8 250 75 321.8 321.8 289.3 321.8 0.01 19 200 11590 -52.9 -67.9 15 15.0 -53.2 260 52 349.0 349.0 296.4 349.1 0.02 20 188 11990 -50.9 -65.9 15 15.0 -51.3 262 49 358.5 358.5 298.4 358.6 0.03 21 150 13460 -50.1 -69.1 9 19.0 -50.7 270 36 383.7 383.7 302.9 383.9 0.02 22 142 13817 -49.3 -69.3 8 20.0 -50.0 270 35 391.2 391.2 304.0 391.3 0.02 23 113 15296 -53.3 -77.3 4 24.0 -53.9 270 33 410.2 410.2 306.5 410.2 0.01 24 100 16080 -53.7 -77.7 4 24.0 -54.3 270 31 424.0 424.0 308.2 424.0 0.01 25 70 18380 -53.7 -77.7 4 24.0 -54.5 265 21 469.5 469.5 312.6 469.6 0.01 26 50 20530 -55.3 -79.3 4 24.0 -56.3 265 15 513.2 513.2 315.9 513.3 0.01 27 34 22993 -54.9 -78.9 4 24.0 -56.3 273 17 574.1 574.1 319.4 574.2 0.02 28 30 23790 -56.5 -79.5 4 23.0 -57.8 275 17 590.6 590.6 320.2 590.8 0.02 29 27 24455 -57.7 -80.7 4 23.0 -59.0 266 15 605.3 605.3 320.9 605.5 0.02 30 25 24944 -54.1 -78.1 4 24.0 -56.1 259 14 629.1 629.1 321.9 629.4 0.04 31 23 25476 -55.7 -79.7 3 24.0 -57.5 252 13 639.6 639.6 322.3 639.8 0.03 32 20 26370 -52.9 -76.9 4 24.0 -55.5 240 11 674.3 674.3 323.6 674.7 0.05 33 16 27816 -50.9 -74.9 4 24.0 -54.5 725.2 725.3 325.3 726.0 0.09 34 11 30311 -40.7 -67.7 4 27.0 -49.7 844.3 844.5 328.4 848.3 0.38 35 10 30960 -41.1 -68.1 4 27.0 -50.3 866.1 866.3 328.8 870.5 0.40 TRP 246 10272 -57.7 -70.7 18 13.0 -57.8 250 75 321.8 321.8 289.3 321.8 0.01 WND 264 9826 -55.9 -69.4 17 13.5 -56.1 250 77 318.0 318.0 288.1 318.0 0.01 Sounding variables and indices 1000-500 mb thick: 5393.00 m Freezing level: 863.24 mb = 1288.82 m = 4228.37 ft Wetbulb zero: 931.22 mb = 673.51 m = 2209.66 ft Precipitable water: 0.25 inches Sfc-500 mean rel hum: 28.15 % Est. max temperature: 11.99 C = 53.59 F Sfc-Lift cond lev (LCL): 819.19 mb = 1701.04 m = 5580.78 ft T: -3.15 C 700-500 lapse rate: 6.67 C/km ThetaE index: 3.22 C Layer 933.0- 925.0 mb Conv cond level (CCL): 636.55 mb = 3662.83 m = 12017.00 ft Mean mixing ratio: 2.60 g/kg Conv temperature: 25.08 C = 77.15 F Cap Strength: 11.33 C Lifted Index: 11.64 C Risk: None Lifted Index @300 mb: 15.94 C Lifted Index @700 mb: 8.13 C Showalter Index: 12.14 C Risk: None Total Totals Index: 34.60 C Risk: None Vertical Totals Index: 22.80 C Cross Totals Index: 11.80 C K Index: -25.10 Risk: None Sweat Index: 62.00 Risk: None Energy Index: 3.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.28 J/kg Max Up Vert Vel: 1.60 m/s Conv Inhibition (B-): 60893.81 J/kg Cap Strength: 11.59 C Lift Cond Lev (LCL): 785.96 mb = 2027.61 m = 6652.18 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 295 at 17 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 ---------------------------------------------------------- 0 999 95 140 3 -1.9 2.3 | 119 19 -16.9 9.3 1 925 728 325 1 0.6 -0.8 | 113 16 -14.4 6.2 2 850 1409 350 11 1.9 -10.8 | 74 14 -13.1 -3.8 3 700 2933 270 19 19.0 -0.0 | 210 8 4.0 7.0 4 500 5480 255 40 38.6 10.4 | 234 29 23.6 17.4 5 400 7070 245 62 56.2 26.2 | 231 53 41.2 33.2 6 300 9010 245 75 68.0 31.7 | 234 66 53.0 38.7 7 264 9826 250 77 72.4 26.3 | 240 66 57.4 33.4 8 250 10170 250 77 72.4 26.3 | 240 66 57.4 33.4 9 246 10272 250 75 70.5 25.7 | 240 64 55.5 32.7 10 200 11590 260 52 51.2 9.0 | 246 40 36.2 16.1 11 150 13460 270 36 36.0 -0.0 | 252 22 21.0 7.0 12 100 16080 270 31 31.0 -0.0 | 246 17 16.0 7.0 13 70 18380 265 21 20.9 1.8 | 214 11 5.9 8.9 14 50 20530 265 15 14.9 1.3 | 180 8 -0.1 8.3 15 30 23790 275 17 16.9 -1.5 | 199 6 1.9 5.5 16 20 26370 240 11 9.5 5.5 | 156 14 -5.5 12.5 Wind Parameters Mean winds (0-6000m): 265.1 at 22.1 knts Storm direction: 295.1 at 16.6 knts Shear (0-3000m) pos: 1.0 neg: 3.6 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 97.1 deg Storm rel helicity (0-3000m) pos: 5.8 neg: -57.3 tot: -51.4 m^2/s^2 ave: -17.1 10^-3 m/s^2 rel: -0.30 Storm rel vorticity (0-3000m) horiz: 7.0 stream: -2.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.02 Bulk Shear: 72.03 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 ------------------------------------------------------------------------------- 500 143 2 118 19| 0.0 4.3 4.3| 1.6 -15.9 -14.4 -28.7 -0.51| 5.7 -2.9 1000 352 3 107 15| 0.0 4.8 4.8| 4.1 -31.3 -27.2 -27.2 -0.56| 6.0 -3.3 1500 350 5 99 14| 1.9 3.2 5.1| 4.1 -51.0 -47.0 -31.3 -0.66| 6.3 -4.2 2000 336 7 93 12| 1.4 3.3 4.7| 4.1 -56.0 -51.9 -26.0 -0.57| 6.5 -3.7 2500 319 9 92 9| 1.2 3.5 4.6| 4.1 -56.4 -52.3 -20.9 -0.37| 6.9 -2.5 3000 301 11 105 6| 1.0 3.6 4.5| 5.8 -57.3 -51.4 -17.1 -0.30| 7.0 -2.1 4000 283 14 160 4| 0.7 3.8 4.5| 16.5 -57.3 -40.7 -10.2 -0.18| 6.3 -1.1 5000 272 18 204 7| 0.6 3.9 4.5| 20.1 -57.4 -37.2 -7.4 -0.14| 6.0 -0.8 6000 265 22 218 11| 0.5 4.3 4.7| 21.1 -60.3 -39.2 -6.5 -0.12| 6.1 -0.7 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20250425.12.gif