UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120100.upa.cvt Date: 0000Z 1 DEC 25 Searching for U3884... Searching the city database file for: U3884 ... Date:0000Z 1 DEC 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 1024 59 -27.5 -31.8 67 4.3 -27.8 0 0 244.0 244.0 243.8 244.7 0.26 1 1018 101 -24.5 -29.4 64 4.9 -24.9 33 3 247.4 247.4 247.1 248.3 0.33 2 1000 231 -23.9 -28.8 64 4.9 -24.4 135 11 249.2 249.3 248.8 250.2 0.35 3 965 491 -24.3 -29.1 64 4.8 -24.8 167 25 251.4 251.5 250.7 252.4 0.36 4 948 621 -19.9 -24.8 65 4.9 -20.5 183 32 257.1 257.2 256.0 258.6 0.54 5 925 804 -18.1 -24.1 59 6.0 -19.0 205 42 260.8 260.9 259.0 262.4 0.59 6 916 877 -17.5 -23.5 59 6.0 -18.4 207 41 262.1 262.2 260.2 263.9 0.63 7 850 1437 -17.7 -29.7 34 12.0 -19.3 220 35 267.6 267.7 263.7 268.7 0.38 8 840 1526 -17.9 -31.9 28 14.0 -19.6 222 34 268.3 268.4 264.1 269.2 0.31 9 826 1651 -18.5 -32.5 28 14.0 -20.1 224 34 269.0 269.0 264.6 269.9 0.30 10 803 1861 -19.7 -31.7 34 12.0 -21.1 229 32 269.9 269.9 265.3 270.9 0.34 11 748 2389 -18.7 -22.9 69 4.2 -19.4 240 28 276.5 276.6 270.4 278.9 0.81 12 722 2652 -20.1 -23.6 74 3.5 -20.7 245 27 277.8 277.9 271.2 280.1 0.79 13 700 2881 -21.5 -24.7 75 3.2 -22.0 250 25 278.7 278.8 271.6 280.9 0.74 14 671 3191 -22.9 -25.9 76 3.0 -23.4 260 26 280.5 280.6 272.6 282.6 0.69 15 639 3549 -22.5 -25.3 78 2.8 -22.9 272 28 284.9 285.0 275.2 287.2 0.76 16 545 4692 -32.5 -36.0 71 3.5 -32.8 310 32 286.3 286.3 275.3 287.3 0.32 17 537 4797 -30.1 -33.7 71 3.6 -30.5 313 33 290.4 290.4 277.5 291.7 0.41 18 500 5300 -33.9 -38.6 62 4.7 -34.3 330 35 291.7 291.8 277.9 292.6 0.27 19 461 5868 -38.1 -44.1 53 6.0 -38.4 335 41 293.3 293.3 278.6 293.9 0.17 20 414 6607 -41.7 -48.7 47 7.0 -42.0 343 49 297.8 297.9 280.6 298.2 0.11 21 400 6840 -43.7 -50.7 46 7.0 -44.0 345 52 298.2 298.2 280.7 298.5 0.09 22 300 8710 -57.5 -64.5 41 7.0 -57.6 350 71 304.3 304.3 283.1 304.4 0.02 23 286 9009 -59.9 -66.9 40 7.0 -60.0 349 70 305.0 305.1 283.4 305.1 0.02 24 250 9840 -63.5 -69.5 44 6.0 -63.6 345 66 311.7 311.7 285.9 311.7 0.01 25 243 10014 -64.1 -70.1 44 6.0 -64.1 344 67 313.3 313.3 286.5 313.4 0.01 26 230 10353 -62.7 -68.7 44 6.0 -62.7 342 70 320.4 320.4 288.9 320.5 0.02 27 218 10682 -65.1 -71.1 43 6.0 -65.1 340 73 321.7 321.7 289.3 321.7 0.01 28 215 10766 -65.7 -71.7 43 6.0 -65.7 340 71 322.0 322.0 289.3 322.0 0.01 29 204 11088 -62.9 -68.9 44 6.0 -63.0 340 66 331.3 331.3 292.1 331.3 0.02 30 200 11210 -63.3 -69.3 44 6.0 -63.4 340 64 332.5 332.5 292.4 332.6 0.02 31 162 12505 -61.7 -67.7 45 6.0 -61.8 340 57 355.9 355.9 297.9 356.0 0.03 32 150 12980 -62.1 -68.1 44 6.0 -62.2 340 54 363.1 363.1 299.3 363.2 0.03 33 100 15460 -66.7 -73.7 37 7.0 -66.8 340 52 398.9 398.9 305.0 398.9 0.02 34 85 16442 -67.1 -74.1 36 7.0 -67.2 417.0 417.0 307.4 417.1 0.02 TRP 215 10766 -65.7 -71.7 43 6.0 -65.7 340 71 322.0 322.0 289.3 322.0 0.01 WND 218 10682 -65.1 -71.1 43 6.0 -65.1 340 73 321.7 321.7 289.3 321.7 0.01 Sounding variables and indices 1000-500 mb thick: 5069.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 63.33 % Est. max temperature: -5.78 C = 21.59 F Sfc-Lift cond lev (LCL): 952.43 mb = 587.01 m = 1925.86 ft T: -21.06 C 700-500 lapse rate: 5.13 C/km ThetaE index: 0.00 C Layer 1024.0-55782952777075916800.0 mb Conv cond level (CCL): 495.20 mb = 5367.41 m = 17609.39 ft Mean mixing ratio: 0.42 g/kg Conv temperature: 20.74 C = 69.33 F Cap Strength: 30.70 C Lifted Index: 31.18 C Risk: None Lifted Index @300 mb: 35.82 C Lifted Index @700 mb: 22.84 C Showalter Index: 18.99 C Risk: None Total Totals Index: 20.40 C Risk: None Vertical Totals Index: 16.20 C Cross Totals Index: 4.20 C K Index: -16.70 Risk: None Sweat Index: 105.00 Risk: None Energy Index: 5.06 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 56.32 J/kg Max Up Vert Vel: 10.61 m/s Conv Inhibition (B-): 29014.15 J/kg Cap Strength: 31.07 C Lift Cond Lev (LCL): 898.94 mb = 1017.89 m = 3339.49 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 297 at 23 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 1024 59 0 0 -0.0 -0.0 | 117 23 -20.7 10.6 1 1000 231 135 11 -7.8 7.8 | 123 34 -28.5 18.4 2 925 804 205 42 17.7 38.1 | 177 49 -2.9 48.7 3 850 1437 220 35 22.5 26.8 | 183 37 1.8 37.4 4 700 2881 250 25 23.5 8.6 | 188 19 2.8 19.2 5 500 5300 330 35 17.5 -30.3 | 9 20 -3.2 -19.7 6 400 6840 345 52 13.5 -50.2 | 10 40 -7.2 -39.6 7 300 8710 350 71 12.3 -69.9 | 8 60 -8.4 -59.3 8 250 9840 345 66 17.1 -63.8 | 4 53 -3.6 -53.1 9 218 10682 340 73 25.0 -68.6 | 356 58 4.3 -58.0 10 215 10766 340 71 24.3 -66.7 | 356 56 3.6 -56.1 11 200 11210 340 64 21.9 -60.1 | 359 50 1.2 -49.5 12 150 12980 340 54 18.5 -50.7 | 3 40 -2.2 -40.1 13 100 15460 340 52 17.8 -48.9 | 4 38 -2.9 -38.2 Wind Parameters Mean winds (0-6000m): 267.2 at 31.0 knts Storm direction: 297.2 at 23.2 knts Shear (0-3000m) pos: 4.4 neg: 0.0 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 77.0 deg Storm rel helicity (0-3000m) pos: 639.9 neg: -25.8 tot: 614.1 m^2/s^2 ave: 204.7 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 16.1 stream: 9.5 10^-3/s Energy-Hel index: 0.22 Bulk Rich Number: 0.29 Bulk Shear: 191.32 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 ------------------------------------------------------------------------------- 500 160 15 134 36| 29.6 0.0 29.6|266.3 -24.6 241.7 483.5 0.60| 39.4 23.5 1000 197 26 160 38| 20.2 0.0 20.2|574.4 -24.6 549.8 549.8 0.73| 33.7 24.5 1500 205 30 168 38| 11.7 0.0 11.7|607.5 -24.6 582.9 388.6 0.68| 25.5 17.4 2000 211 30 172 37| 7.9 0.0 7.9|625.4 -24.6 600.8 300.4 0.65| 20.9 13.6 2500 216 30 175 35| 5.6 0.0 5.6|630.9 -24.6 606.3 242.5 0.61| 18.0 11.0 3000 220 29 177 33| 4.4 0.0 4.4|639.9 -25.8 614.1 204.7 0.59| 16.1 9.5 4000 232 29 185 28| 3.8 0.0 3.8|680.0 -25.8 654.2 163.5 0.62| 14.2 8.8 5000 248 30 197 23| 3.5 0.0 3.5|721.7 -25.8 695.9 139.2 0.65| 13.3 8.6 6000 267 31 220 16| 3.7 0.0 3.7|736.7 -28.7 708.0 118.0 0.60| 12.3 7.4 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20251201.00.gif