UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050212.upa.cvt Date: 1200Z 2 MAY 25 Searching for U3884... Searching the city database file for: U3884 ... Date:1200Z 2 MAY 25 Station: U3884 WMO ident: 23884 Latitude: 61.60 Longitude: 90.00 ------------------------------------------------------------------------------- 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 1007 61 13.2 -0.8 38 14.0 6.7 160 3 285.8 286.4 279.6 296.0 3.58 1 1000 119 13.0 -2.0 35 15.0 6.2 160 5 286.1 286.7 279.4 295.6 3.30 2 925 767 7.4 -5.6 39 13.0 2.1 180 19 286.9 287.4 279.0 294.8 2.72 3 850 1455 1.2 -9.8 44 11.0 -2.7 200 23 287.4 287.8 278.4 293.7 2.13 4 754 2404 -7.5 -12.1 70 4.6 -8.9 219 22 288.0 288.3 278.6 293.9 2.00 5 706 2913 -10.3 -13.6 77 3.3 -11.3 229 21 290.4 290.7 279.6 296.1 1.89 6 700 2979 -10.7 -13.9 77 3.2 -11.6 230 21 290.6 291.0 279.7 296.2 1.86 7 500 5470 -28.9 -33.7 63 4.8 -29.5 250 25 297.8 297.9 281.0 299.3 0.44 8 400 7030 -39.3 -44.3 59 5.0 -39.6 255 36 303.9 303.9 283.2 304.6 0.19 9 300 8950 -52.3 -58.3 48 6.0 -52.4 255 64 311.6 311.6 285.9 311.8 0.05 10 284 9302 -54.4 -60.4 48 6.0 -54.5 260 71 313.5 313.5 286.6 313.7 0.04 11 261 9839 -57.7 -63.7 46 6.0 -57.8 260 60 316.4 316.4 287.6 316.5 0.03 12 250 10110 -57.7 -63.7 46 6.0 -57.8 260 50 320.3 320.3 288.9 320.4 0.03 13 242 10315 -57.3 -63.3 46 6.0 -57.4 261 47 323.9 323.9 290.0 324.0 0.03 14 233 10555 -54.7 -60.7 47 6.0 -54.8 262 43 331.4 331.4 292.2 331.5 0.05 15 219 10949 -55.7 -61.7 47 6.0 -55.8 263 38 335.7 335.7 293.3 335.9 0.04 16 200 11530 -52.3 -59.3 43 7.0 -52.5 265 29 349.9 350.0 296.7 350.2 0.06 17 180 12213 -50.3 -58.3 38 8.0 -50.6 267 26 363.9 363.9 299.5 364.3 0.08 18 150 13400 -50.7 -60.7 30 10.0 -51.1 270 21 382.7 382.7 302.8 383.1 0.07 19 100 16040 -52.5 -65.5 19 13.0 -53.1 240 15 426.3 426.3 308.4 426.6 0.06 20 77 17725 -51.1 -65.1 17 14.0 -52.0 247 9 462.3 462.3 312.0 462.7 0.08 21 70 18340 -52.5 -67.5 15 15.0 -53.4 250 7 472.1 472.1 312.8 472.4 0.06 22 50 20520 -53.1 -69.1 13 16.0 -54.2 300 9 518.3 518.4 316.2 518.8 0.07 23 47 20918 -53.9 -69.9 12 16.0 -54.9 309 8 525.7 525.7 316.7 526.1 0.07 24 30 23810 -52.1 -70.1 10 18.0 -54.0 15 3 602.6 602.6 320.7 603.4 0.10 25 21 26114 -52.7 -72.7 7 20.0 -55.2 291 3 665.5 665.6 323.3 666.3 0.10 26 20 26430 -50.9 -70.9 8 20.0 -53.9 280 3 680.4 680.4 323.8 681.5 0.13 27 17 27494 -48.5 -69.5 7 21.0 -52.6 720.4 720.5 325.1 722.2 0.19 28 12 29788 -48.1 -70.1 6 22.0 -53.4 797.3 797.4 327.3 799.8 0.25 TRP 261 9839 -57.7 -63.7 46 6.0 -57.8 260 60 316.4 316.4 287.6 316.5 0.03 WND 284 9302 -54.4 -60.4 48 6.0 -54.5 260 71 313.5 313.5 286.6 313.7 0.04 Sounding variables and indices 1000-500 mb thick: 5351.00 m Freezing level: 836.76 mb = 1585.86 m = 5202.88 ft Wetbulb zero: 892.68 mb = 1056.39 m = 3465.80 ft Precipitable water: 0.41 inches Sfc-500 mean rel hum: 60.76 % Est. max temperature: 14.78 C = 58.61 F Sfc-Lift cond lev (LCL): 814.22 mb = 1795.47 m = 5890.57 ft T: -1.92 C 700-500 lapse rate: 7.31 C/km ThetaE index: 2.32 C Layer 1000.0- 754.0 mb Conv cond level (CCL): 758.50 mb = 2356.60 m = 7731.53 ft Mean mixing ratio: 2.97 g/kg Conv temperature: 15.40 C = 59.72 F Cap Strength: 1.64 C Lifted Index: 3.54 C Risk: None Lifted Index @300 mb: 11.78 C Lifted Index @700 mb: 1.64 C Showalter Index: 4.60 C Risk: None Total Totals Index: 49.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.10 C Cross Totals Index: 19.10 C K Index: 17.10 Risk: < 20 % chance of thunderstorms Sweat Index: 195.76 Risk: None Energy Index: 1.13 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.25 J/kg Max Up Vert Vel: 2.12 m/s Conv Inhibition (B-): 62128.48 J/kg Cap Strength: 3.47 C Lift Cond Lev (LCL): 774.28 mb = 2193.60 m = 7196.77 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 257 at 16 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 1007 61 160 3 -1.0 2.8 | 87 17 -16.9 -0.8 1 1000 119 160 5 -1.7 4.7 | 93 18 -17.6 1.1 2 925 767 180 19 0.0 19.0 | 134 22 -15.8 15.4 3 850 1455 200 23 7.9 21.6 | 156 20 -8.0 18.0 4 700 2979 230 21 16.1 13.5 | 181 10 0.2 9.9 5 500 5470 250 25 23.5 8.6 | 237 9 7.6 4.9 6 400 7030 255 36 34.8 9.3 | 253 20 18.9 5.7 7 300 8950 255 64 61.8 16.6 | 254 48 46.0 12.9 8 284 9302 260 71 69.9 12.3 | 261 55 54.1 8.7 9 261 9839 260 60 59.1 10.4 | 261 44 43.2 6.8 10 250 10110 260 50 49.2 8.7 | 261 34 33.4 5.0 11 200 11530 265 29 28.9 2.5 | 275 13 13.0 -1.1 12 150 13400 270 21 21.0 -0.0 | 305 6 5.2 -3.6 13 100 16040 240 15 13.0 7.5 | 144 5 -2.9 3.9 14 70 18340 250 7 6.6 2.4 | 82 9 -9.3 -1.2 15 50 20520 300 9 7.8 -4.5 | 45 11 -8.0 -8.1 16 30 23810 15 3 -0.8 -2.9 | 69 18 -16.6 -6.5 17 20 26430 280 3 3.0 -0.5 | 72 14 -12.9 -4.2 Wind Parameters Mean winds (0-6000m): 227.0 at 21.7 knts Storm direction: 257.0 at 16.3 knts Shear (0-3000m) pos: 3.5 neg: 0.0 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 95.7 deg Storm rel helicity (0-3000m) pos: 151.4 neg: 0.0 tot: 151.4 m^2/s^2 ave: 50.5 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 5.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.05 Bulk Shear: 45.02 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 ------------------------------------------------------------------------------- 500 170 9 107 18| 12.0 0.0 12.0| 55.6 0.0 55.6 111.3 0.95| 12.2 11.6 1000 179 14 122 19| 9.3 0.0 9.3|100.2 0.0 100.2 100.2 0.95| 10.3 9.8 1500 187 17 133 19| 7.1 0.0 7.1|128.2 0.0 128.2 85.4 0.94| 8.9 8.3 2000 193 18 140 18| 5.3 0.0 5.3|138.4 0.0 138.4 69.2 0.89| 7.7 6.8 2500 199 19 146 17| 4.2 0.0 4.2|146.0 0.0 146.0 58.4 0.85| 6.9 5.9 3000 204 19 150 16| 3.5 0.0 3.5|151.4 0.0 151.4 50.5 0.82| 6.3 5.2 4000 212 20 159 14| 2.9 0.0 2.9|159.7 0.0 159.7 39.9 0.84| 5.2 4.4 5000 220 21 169 12| 2.5 0.0 2.5|168.2 0.0 168.2 33.6 0.85| 4.5 3.9 6000 227 22 180 11| 2.5 0.0 2.5|176.4 0.0 176.4 29.4 0.81| 4.3 3.5 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20250502.12.gif