UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for U3884... Searching the city database file for: U3884 ... Date:1200Z 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 1011 58 -15.5 -18.9 75 3.4 -16.1 180 9 256.8 257.0 256.4 259.1 0.85 1 1000 140 -16.3 -20.1 72 3.8 -16.9 180 13 256.9 257.0 256.2 258.9 0.77 2 950 523 -19.3 -23.4 70 4.1 -19.8 200 29 257.6 257.7 256.5 259.3 0.61 3 933 658 -19.3 -23.1 72 3.8 -19.8 207 35 258.9 259.0 257.6 260.7 0.64 4 925 722 -16.5 -19.9 75 3.4 -17.1 210 38 262.4 262.6 260.8 264.8 0.85 5 921 755 -13.7 -17.3 74 3.6 -14.5 211 38 265.6 265.8 263.6 268.6 1.07 6 918 780 -14.1 -17.3 77 3.2 -14.7 212 39 265.5 265.6 263.5 268.4 1.07 7 914 813 -11.3 -14.2 79 2.9 -12.0 214 39 268.7 268.9 266.4 272.5 1.39 8 908 864 -7.9 -10.4 82 2.5 -8.6 215 39 272.7 273.0 269.9 278.0 1.90 9 893 993 -7.7 -9.7 86 2.0 -8.3 220 40 274.2 274.5 271.1 279.9 2.05 10 850 1375 -10.1 -12.6 82 2.5 -10.8 235 44 275.6 275.9 271.4 280.4 1.71 11 820 1651 -11.9 -14.6 80 2.7 -12.6 237 43 276.5 276.8 271.6 280.8 1.50 12 799 1850 -12.5 -15.2 80 2.7 -13.2 238 42 277.9 278.2 272.4 282.2 1.47 13 792 1917 -10.9 -13.7 80 2.8 -11.6 239 42 280.3 280.6 274.1 285.2 1.67 14 700 2859 -14.9 -17.9 78 3.0 -15.6 245 38 286.0 286.2 276.6 290.0 1.33 15 642 3510 -17.5 -20.5 77 3.0 -18.1 251 39 290.2 290.4 278.5 293.8 1.16 16 502 5311 -29.1 -32.5 72 3.4 -29.5 270 42 297.2 297.3 280.8 298.9 0.50 17 500 5340 -29.5 -32.9 72 3.4 -29.9 270 42 297.1 297.2 280.7 298.7 0.48 18 416 6615 -41.5 -45.1 68 3.6 -41.7 278 44 297.7 297.7 280.6 298.3 0.16 19 400 6880 -42.5 -46.4 66 3.9 -42.7 280 44 299.8 299.8 281.4 300.3 0.15 20 391 7033 -43.7 -47.8 64 4.1 -43.9 281 44 300.1 300.2 281.6 300.6 0.13 21 300 8760 -57.7 -62.7 53 5.0 -57.8 290 44 304.0 304.0 283.0 304.1 0.03 22 287 9038 -60.1 -64.8 54 4.7 -60.2 291 44 304.5 304.5 283.2 304.5 0.02 23 251 9866 -64.9 -69.6 52 4.7 -64.9 295 46 309.2 309.2 285.1 309.3 0.01 24 250 9890 -64.9 -69.6 52 4.7 -64.9 295 46 309.6 309.6 285.2 309.6 0.01 25 213 10866 -65.7 -70.3 53 4.6 -65.7 302 50 322.8 322.8 289.6 322.9 0.01 26 200 11250 -64.1 -68.9 52 4.8 -64.1 305 52 331.2 331.3 292.1 331.3 0.02 27 163 12507 -61.1 -65.9 53 4.8 -61.2 312 51 356.2 356.3 298.0 356.4 0.03 28 150 13020 -62.1 -67.1 51 5.0 -62.2 315 50 363.1 363.1 299.3 363.2 0.03 29 100 15500 -66.7 -72.7 42 6.0 -66.8 325 50 398.9 398.9 305.0 399.0 0.02 30 70 17640 -70.1 -76.1 41 6.0 -70.2 325 48 434.4 434.4 309.3 434.5 0.02 31 50 19610 -74.3 -80.3 39 6.0 -74.3 325 46 468.4 468.4 312.5 468.5 0.01 32 45 20222 -75.5 -81.5 38 6.0 -75.6 479.8 479.8 313.4 479.9 0.01 TRP 251 9866 -64.9 -69.6 52 4.7 -64.9 295 46 309.2 309.2 285.1 309.3 0.01 WND Sounding variables and indices 1000-500 mb thick: 5200.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.26 inches Sfc-500 mean rel hum: 76.97 % Est. max temperature: 2.92 C = 37.25 F Sfc-Lift cond lev (LCL): 956.45 mb = 472.89 m = 1551.46 ft T: -18.90 C 700-500 lapse rate: 5.88 C/km ThetaE index: 0.19 C Layer 1000.0- 950.0 mb Conv cond level (CCL): 519.09 mb = 5066.36 m = 16621.70 ft Mean mixing ratio: 0.77 g/kg Conv temperature: 24.07 C = 75.32 F Cap Strength: 29.71 C Lifted Index: 29.57 C Risk: None Lifted Index @300 mb: 30.41 C Lifted Index @700 mb: 23.02 C Showalter Index: 14.10 C Risk: None Total Totals Index: 36.30 C Risk: None Vertical Totals Index: 19.40 C Cross Totals Index: 16.90 C K Index: 3.80 Risk: None Sweat Index: 226.70 Risk: None Energy Index: 3.86 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 36.53 J/kg Max Up Vert Vel: 8.55 m/s Conv Inhibition (B-): 39588.62 J/kg Cap Strength: 29.59 C Lift Cond Lev (LCL): 906.40 mb = 877.34 m = 2878.38 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 278 at 29 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 1011 58 180 9 0.0 9.0 | 114 32 -28.9 13.0 1 1000 140 180 13 0.0 13.0 | 121 34 -28.9 17.0 2 925 722 210 38 19.0 32.9 | 165 38 -9.9 36.9 3 850 1375 235 44 36.0 25.2 | 194 30 7.2 29.3 4 700 2859 245 38 34.4 16.1 | 196 21 5.6 20.1 5 500 5340 270 42 42.0 -0.0 | 253 14 13.1 4.0 6 400 6880 280 44 43.3 -7.6 | 284 15 14.5 -3.6 7 300 8760 290 44 41.3 -15.0 | 311 17 12.5 -11.0 8 251 9866 295 46 41.7 -19.4 | 320 20 12.8 -15.4 9 250 9890 295 46 41.7 -19.4 | 320 20 12.8 -15.4 10 200 11250 305 52 42.6 -29.8 | 332 29 13.7 -25.8 11 150 13020 315 50 35.4 -35.4 | 348 32 6.5 -31.3 12 100 15500 325 50 28.7 -41.0 | 0 37 -0.2 -36.9 13 70 17640 325 48 27.5 -39.3 | 2 35 -1.3 -35.3 14 50 19610 325 46 26.4 -37.7 | 4 34 -2.5 -33.7 Wind Parameters Mean winds (0-6000m): 247.9 at 38.8 knts Storm direction: 277.9 at 29.1 knts Shear (0-3000m) pos: 6.1 neg: 0.0 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 84.4 deg Storm rel helicity (0-3000m) pos: 464.3 neg: -0.1 tot: 464.3 m^2/s^2 ave: 154.8 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 10.6 stream: 8.7 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 0.28 Bulk Shear: 131.94 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 ------------------------------------------------------------------------------- 500 194 20 134 34| 23.5 0.0 23.5|212.9 0.0 212.9 425.7 0.97| 24.5 23.7 1000 208 29 153 33| 18.0 0.0 18.0|379.4 0.0 379.4 379.4 0.96| 21.5 20.6 1500 218 33 165 31| 13.4 0.0 13.4|453.9 0.0 453.9 302.6 0.93| 17.9 16.8 2000 224 36 172 30| 9.6 0.0 9.6|457.0 0.0 457.0 228.5 0.89| 14.3 12.7 2500 228 37 177 29| 7.4 0.0 7.4|458.2 0.0 458.2 183.3 0.84| 12.1 10.2 3000 231 37 179 27| 6.1 0.0 6.1|464.3 -0.1 464.3 154.8 0.82| 10.6 8.7 4000 236 37 185 25| 5.0 0.0 5.0|493.3 -0.1 493.3 123.3 0.82| 8.9 7.3 5000 242 38 193 22| 4.3 0.0 4.3|520.9 -0.1 520.8 104.2 0.83| 7.8 6.5 6000 248 39 201 20| 3.8 0.0 3.8|541.6 -0.1 541.6 90.3 0.85| 7.0 5.9 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20251201.12.gif