UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for U3884... Searching the city database file for: U3884 ... Date:0000Z 9 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 1030 55 -39.7 -44.5 60 4.8 -39.8 0 0 231.5 231.5 231.4 231.7 0.07 1 1000 258 -38.3 -45.3 48 7.0 -38.5 205 11 234.9 234.9 234.7 235.0 0.07 2 994 299 -37.7 -44.7 48 7.0 -37.9 210 12 235.9 235.9 235.7 236.1 0.07 3 986 356 -32.3 -39.3 50 7.0 -32.6 217 12 241.8 241.8 241.5 242.2 0.13 4 973 450 -30.1 -37.1 50 7.0 -30.5 228 14 245.0 245.0 244.5 245.4 0.16 5 966 502 -25.5 -33.5 47 8.0 -26.1 234 15 250.1 250.1 249.3 250.8 0.23 6 925 819 -20.5 -27.5 53 7.0 -21.3 270 19 258.3 258.4 256.8 259.6 0.43 7 884 1157 -16.3 -21.3 65 5.0 -17.1 289 20 266.1 266.2 263.4 268.3 0.79 8 850 1452 -17.1 -21.7 67 4.6 -17.9 305 21 268.2 268.4 265.0 270.5 0.79 9 845 1496 -17.1 -21.6 68 4.5 -17.9 306 21 268.7 268.8 265.3 271.0 0.80 10 761 2270 -23.7 -27.4 72 3.7 -24.2 322 21 269.7 269.8 265.5 271.3 0.53 11 749 2387 -22.7 -26.3 72 3.6 -23.2 325 21 272.0 272.1 267.2 273.8 0.60 12 700 2880 -25.3 -28.7 73 3.4 -25.7 335 21 274.5 274.6 268.7 276.0 0.51 13 534 4791 -37.7 -40.7 73 3.0 -37.9 351 23 281.7 281.8 272.5 282.4 0.20 14 500 5240 -41.1 -44.2 72 3.1 -41.2 355 23 282.9 283.0 273.1 283.4 0.15 15 400 6720 -52.1 -55.0 71 2.9 -52.2 350 38 287.3 287.3 275.3 287.5 0.05 16 355 7483 -57.7 -60.8 68 3.1 -57.8 348 37 289.7 289.7 276.6 289.8 0.03 17 300 8530 -63.9 -67.2 64 3.3 -63.9 345 35 295.3 295.3 279.2 295.3 0.02 18 270 9173 -66.9 -69.9 66 3.0 -66.9 345 38 299.9 299.9 281.3 300.0 0.01 19 250 9640 -66.5 -69.6 65 3.1 -66.5 340 33 307.2 307.2 284.3 307.3 0.01 20 200 10990 -64.3 -67.7 63 3.4 -64.3 320 27 330.9 330.9 292.0 331.0 0.02 21 198 11052 -64.3 -67.7 63 3.4 -64.3 319 27 331.9 331.9 292.3 332.0 0.02 22 150 12760 -62.3 -65.4 66 3.1 -62.4 300 21 362.8 362.8 299.2 362.9 0.04 23 139 13231 -62.1 -65.2 66 3.1 -62.1 297 22 371.1 371.1 300.8 371.3 0.04 24 100 15260 -63.9 -67.4 62 3.5 -64.0 285 25 404.3 404.3 305.8 404.5 0.04 25 81 16541 -67.1 -70.2 65 3.1 -67.1 276 26 422.8 422.8 308.0 423.0 0.04 26 70 17420 -67.5 -70.8 63 3.3 -67.5 270 27 440.0 440.0 309.9 440.2 0.04 27 50 19430 -70.9 -74.3 61 3.4 -70.9 260 25 476.4 476.4 313.2 476.6 0.03 28 38 21053 -71.7 -74.9 62 3.2 -71.8 513.3 513.3 315.9 513.5 0.04 TRP 270 9173 -66.9 -69.9 66 3.0 -66.9 345 38 299.9 299.9 281.3 300.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 4982.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 68.03 % Est. max temperature: -4.57 C = 23.77 F Sfc-Lift cond lev (LCL): 946.66 mb = 649.54 m = 2131.02 ft T: -23.17 C 700-500 lapse rate: 6.69 C/km ThetaE index: 0.00 C Layer 1030.0- -0.2 mb Conv cond level (CCL): 1000.00 mb = 258.00 m = 846.45 ft Mean mixing ratio: 0.18 g/kg Conv temperature: -33.62 C = -28.52 F Cap Strength: 31.36 C Lifted Index: 31.77 C Risk: None Lifted Index @300 mb: 36.16 C Lifted Index @700 mb: 27.41 C Showalter Index: 10.38 C Risk: None Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 24.00 C Cross Totals Index: 19.40 C K Index: -1.10 Risk: None Sweat Index: 65.00 Risk: None Energy Index: 2.69 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 117.10 J/kg Max Up Vert Vel: 15.30 m/s Conv Inhibition (B-): 47689.85 J/kg Cap Strength: 31.65 C Lift Cond Lev (LCL): 899.65 mb = 1026.39 m = 3367.37 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 1 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 1030 55 0 0 -0.0 -0.0 | 181 16 0.3 15.8 1 1000 258 205 11 4.6 10.0 | 191 26 5.0 25.8 2 925 819 270 19 19.0 -0.0 | 231 25 19.3 15.8 3 850 1452 305 21 17.2 -12.0 | 258 18 17.5 3.7 4 700 2880 335 21 8.9 -19.0 | 289 10 9.2 -3.2 5 500 5240 355 23 2.0 -22.9 | 342 8 2.3 -7.1 6 400 6720 350 38 6.6 -37.4 | 342 23 6.9 -21.6 7 300 8530 345 35 9.1 -33.8 | 332 20 9.4 -18.0 8 270 9173 345 38 9.8 -36.7 | 334 23 10.2 -20.9 9 250 9640 340 33 11.3 -31.0 | 323 19 11.6 -15.2 10 200 10990 320 27 17.4 -20.7 | 285 18 17.7 -4.9 11 150 12760 300 21 18.2 -10.5 | 254 19 18.5 5.3 12 100 15260 285 25 24.1 -6.5 | 249 26 24.5 9.3 13 70 17420 270 27 27.0 -0.0 | 240 32 27.3 15.8 14 50 19430 260 25 24.6 4.3 | 231 32 25.0 20.1 Wind Parameters Mean winds (0-6000m): 331.2 at 21.0 knts Storm direction: 1.2 at 15.8 knts Shear (0-3000m) pos: 4.7 neg: 2.6 tot: 7.3 10-3/s Storm rel Dir Shear (0-3000m): 111.1 deg Storm rel helicity (0-3000m) pos: 235.1 neg: -17.5 tot: 217.6 m^2/s^2 ave: 72.5 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 6.5 10^-3/s Energy-Hel index: 0.16 Bulk Rich Number: 1.28 Bulk Shear: 91.35 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 ------------------------------------------------------------------------------- 500 220 10 196 24| 0.0 15.7 15.7| 82.4 -17.5 64.9 129.9 0.42| 25.8 10.8 1000 254 14 215 24| 7.0 7.8 14.9|172.8 -17.5 155.2 155.2 0.61| 20.3 12.3 1500 273 16 228 22| 7.1 5.2 12.3|209.5 -17.5 191.9 128.0 0.64| 16.5 10.6 2000 286 17 237 20| 6.0 3.9 9.9|220.3 -17.5 202.7 101.4 0.64| 13.4 8.6 2500 295 18 244 19| 5.3 3.1 8.4|229.0 -17.5 211.5 84.6 0.64| 11.5 7.4 3000 303 19 250 17| 4.7 2.6 7.3|235.1 -17.5 217.6 72.5 0.65| 10.1 6.5 4000 315 19 261 14| 3.8 2.0 5.8|242.1 -17.5 224.6 56.1 0.66| 8.0 5.3 5000 324 20 272 12| 3.3 1.6 4.9|249.0 -17.5 231.5 46.3 0.68| 6.7 4.6 6000 331 21 284 11| 3.0 1.3 4.3|250.9 -17.6 233.3 38.9 0.61| 6.4 3.9 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20251209.00.gif