UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for U0744... Searching the city database file for: U0744 ... Date:0000Z 28 APR 25 Station: U0744 WMO ident: 20744 Latitude: 72.37 Longitude: 52.73 ------------------------------------------------------------------------------- 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 1005 20 -10.7 -13.9 77 3.2 -11.4 130 13 262.1 262.3 261.5 265.6 1.30 1 1000 58 -10.5 -14.6 72 4.1 -11.4 95 11 262.6 262.8 261.7 266.0 1.23 2 925 652 -14.1 -17.3 77 3.2 -14.7 70 9 264.9 265.1 263.1 267.8 1.06 3 872 1099 -16.3 -19.1 79 2.8 -16.8 56 10 267.1 267.3 264.5 269.8 0.97 4 850 1291 -16.5 -18.9 82 2.4 -17.0 50 11 268.9 269.0 265.8 271.7 1.01 5 807 1681 -17.1 -19.6 81 2.5 -17.6 46 10 272.2 272.4 268.1 275.1 1.00 6 700 2732 -24.7 -28.5 71 3.8 -25.2 35 9 275.1 275.2 269.1 276.7 0.52 7 661 3147 -27.7 -30.9 74 3.2 -28.0 48 9 276.3 276.4 269.7 277.6 0.44 8 505 5042 -38.3 -41.9 69 3.6 -38.5 108 9 285.5 285.6 274.6 286.2 0.19 9 500 5110 -38.5 -42.1 69 3.6 -38.7 110 9 286.1 286.1 274.9 286.7 0.19 10 454 5769 -40.7 -43.9 71 3.2 -40.9 123 18 291.3 291.4 277.6 291.9 0.17 11 400 6620 -46.3 -49.1 73 2.8 -46.4 140 29 294.8 294.8 279.2 295.2 0.11 12 375 7046 -49.5 -52.5 71 3.0 -49.6 140 26 296.1 296.1 279.7 296.4 0.08 13 361 7295 -49.9 -53.0 70 3.1 -50.0 140 24 298.8 298.8 280.9 299.1 0.08 14 356 7386 -50.5 -53.6 70 3.1 -50.6 140 23 299.2 299.2 281.1 299.4 0.07 15 320 8089 -45.9 -49.9 64 4.0 -46.1 159 17 314.8 314.8 287.2 315.3 0.12 16 300 8520 -44.5 -49.5 57 5.0 -44.7 170 13 322.6 322.7 289.7 323.2 0.14 17 280 8984 -42.9 -49.9 46 7.0 -43.3 185 11 331.4 331.4 292.2 331.9 0.14 18 250 9750 -42.9 -54.9 26 12.0 -43.5 210 7 342.3 342.3 295.0 342.7 0.09 19 231 10281 -42.5 -57.5 18 15.0 -43.3 210 7 350.7 350.7 296.8 351.0 0.07 20 200 11250 -42.3 -61.3 11 19.0 -43.3 210 7 365.8 365.8 299.8 366.0 0.05 21 179 12000 -42.3 -64.3 7 22.0 -43.4 214 8 377.6 377.6 301.9 377.8 0.04 22 150 13190 -44.1 -68.1 5 24.0 -45.2 220 9 394.1 394.1 304.4 394.2 0.03 23 134 13943 -46.1 -70.1 5 24.0 -47.1 220 8 403.4 403.4 305.7 403.5 0.02 24 102 15749 -47.9 -71.9 5 24.0 -49.0 220 7 432.7 432.7 309.1 432.8 0.02 25 100 15880 -47.9 -71.9 5 24.0 -49.0 220 7 435.2 435.2 309.4 435.3 0.02 26 70 18230 -49.1 -73.1 4 24.0 -50.4 220 9 479.3 479.4 313.4 479.5 0.03 27 68 18421 -49.3 -73.3 4 24.0 -50.7 210 9 482.9 482.9 313.7 483.1 0.03 28 50 20440 -49.3 -73.3 4 24.0 -51.1 100 7 527.3 527.3 316.8 527.5 0.04 29 42 21580 -50.5 -74.5 4 24.0 -52.3 551.3 551.3 318.2 551.5 0.04 TRP 356 7386 -50.5 -53.6 70 3.1 -50.6 140 23 299.2 299.2 281.1 299.4 0.07 WND Sounding variables and indices 1000-500 mb thick: 5052.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 74.28 % Est. max temperature: -4.31 C = 24.24 F Sfc-Lift cond lev (LCL): 954.60 mb = 411.99 m = 1351.67 ft T: -12.65 C 700-500 lapse rate: 5.80 C/km ThetaE index: 0.00 C Layer 1005.0-34559928603461275323878021909184512.0 mb Conv cond level (CCL): 786.10 mb = 1874.75 m = 6150.67 ft Mean mixing ratio: 1.13 g/kg Conv temperature: 0.04 C = 32.07 F Cap Strength: 15.29 C Lifted Index: 15.68 C Risk: None Lifted Index @300 mb: 39.33 C Lifted Index @700 mb: 8.15 C Showalter Index: 11.99 C Risk: None Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 22.00 C Cross Totals Index: 19.60 C K Index: -0.70 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 3.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.23 J/kg Max Up Vert Vel: 4.06 m/s Conv Inhibition (B-): 43673.37 J/kg Cap Strength: 15.62 C Lift Cond Lev (LCL): 900.82 mb = 852.42 m = 2796.61 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 107 at 8 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 1005 20 130 13 -10.0 8.4 | 158 7 -2.5 6.1 1 1000 58 95 11 -11.0 1.0 | 70 4 -3.5 -1.3 2 925 652 70 9 -8.5 -3.1 | 11 5 -1.0 -5.3 3 850 1291 50 11 -8.4 -7.1 | 6 9 -1.0 -9.3 4 700 2732 35 9 -5.2 -7.4 | 347 10 2.3 -9.6 5 500 5110 110 9 -8.5 3.1 | 130 1 -1.0 0.8 6 400 6620 140 29 -18.6 22.2 | 151 23 -11.2 20.0 7 356 7386 140 23 -14.8 17.6 | 155 17 -7.3 15.4 8 300 8520 170 13 -2.3 12.8 | 206 12 5.2 10.6 9 250 9750 210 7 3.5 6.1 | 251 12 11.0 3.8 10 200 11250 210 7 3.5 6.1 | 251 12 11.0 3.8 11 150 13190 220 9 5.8 6.9 | 251 14 13.2 4.6 12 100 15880 220 7 4.5 5.4 | 255 12 12.0 3.1 13 70 18230 220 9 5.8 6.9 | 251 14 13.2 4.6 14 50 20440 100 7 -6.9 1.2 | 331 1 0.6 -1.0 Wind Parameters Mean winds (0-6000m): 76.8 at 10.4 knts Storm direction: 106.8 at 7.8 knts Shear (0-3000m) pos: 0.2 neg: 2.8 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): -165.5 deg Storm rel helicity (0-3000m) pos: 2.2 neg: -20.8 tot: -18.6 m^2/s^2 ave: -6.2 10^-3 m/s^2 rel: -0.71 Storm rel vorticity (0-3000m) horiz: 3.8 stream: -2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 14.19 Bulk Shear: 0.58 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 88 10 49 4| 0.0 11.0 11.0| 0.0 -10.0 -10.0 -19.9 -0.95| 12.8-12.1 1000 78 10 27 5| 0.0 7.1 7.1| 0.0 -11.5 -11.5 -11.5 -0.82| 8.0 -6.6 1500 69 10 19 6| 0.0 5.4 5.4| 0.0 -13.9 -13.9 -9.3 -0.77| 6.1 -4.7 2000 62 10 13 7| 0.0 4.1 4.1| 0.0 -16.8 -16.8 -8.4 -0.79| 4.9 -3.9 2500 58 10 8 8| 0.0 3.4 3.4| 0.0 -19.7 -19.7 -7.9 -0.80| 4.2 -3.3 3000 55 10 5 8| 0.2 2.8 3.0| 2.2 -20.8 -18.6 -6.2 -0.71| 3.8 -2.7 4000 56 10 4 8| 0.8 2.1 2.9| 7.1 -20.8 -13.7 -3.4 -0.48| 3.5 -1.7 5000 62 10 8 7| 1.1 1.7 2.8| 9.2 -20.8 -11.6 -2.3 -0.30| 3.3 -1.0 6000 77 10 30 5| 2.0 1.4 3.4| 14.5 -20.8 -6.4 -1.1 -0.16| 3.9 -0.6 Wrote GIF file: /home/apache/climate/data/raob//U0744/skewt/U0744.skewt.20250428.00.gif