UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for U3884... Searching the city database file for: U3884 ... Date:1200Z 6 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 1018 60 -29.1 -33.4 66 4.3 -29.4 160 3 242.8 242.8 242.6 243.4 0.22 1 1000 187 -30.1 -34.4 66 4.3 -30.3 195 9 243.1 243.1 242.8 243.6 0.21 2 979 338 -30.9 -35.1 67 4.2 -31.2 213 12 243.7 243.8 243.4 244.3 0.20 3 942 612 -28.3 -32.6 67 4.3 -28.6 245 18 249.1 249.1 248.4 249.8 0.26 4 925 743 -28.5 -32.6 68 4.1 -28.8 260 21 250.2 250.2 249.4 250.9 0.27 5 906 891 -29.9 -33.7 69 3.8 -30.2 266 23 250.2 250.3 249.4 250.9 0.24 6 886 1051 -28.5 -32.3 70 3.8 -28.8 273 25 253.3 253.3 252.2 254.1 0.29 7 850 1347 -29.5 -33.1 71 3.6 -29.7 285 29 255.2 255.3 253.8 256.0 0.28 8 700 2717 -34.7 -38.6 68 3.9 -34.9 285 36 264.1 264.1 260.7 264.6 0.19 9 500 5020 -43.3 -47.8 61 4.5 -43.5 290 50 280.2 280.3 271.5 280.6 0.10 10 494 5101 -43.3 -48.0 60 4.7 -43.5 290 50 281.2 281.2 272.1 281.5 0.10 11 400 6500 -50.5 -56.5 49 6.0 -50.6 295 46 289.4 289.4 276.4 289.5 0.05 12 388 6698 -51.7 -57.7 49 6.0 -51.8 295 45 290.3 290.3 276.9 290.5 0.04 13 334 7664 -54.9 -61.9 42 7.0 -55.0 295 42 298.7 298.7 280.8 298.8 0.03 14 300 8350 -55.1 -62.1 42 7.0 -55.2 300 36 307.7 307.7 284.5 307.8 0.03 15 283 8725 -54.5 -61.5 42 7.0 -54.6 300 34 313.7 313.7 286.7 313.9 0.03 16 250 9520 -55.5 -63.5 36 8.0 -55.6 300 31 323.6 323.6 289.9 323.7 0.03 17 200 10930 -55.9 -63.9 36 8.0 -56.1 295 33 344.2 344.3 295.4 344.4 0.04 18 152 12676 -56.3 -66.3 27 10.0 -56.5 305 35 371.7 371.7 300.9 371.8 0.03 19 150 12760 -56.9 -66.9 27 10.0 -57.1 305 35 372.0 372.1 300.9 372.2 0.03 20 100 15290 -60.5 -71.5 22 11.0 -60.7 305 36 410.8 410.8 306.6 411.0 0.02 21 87 16150 -64.1 -74.1 24 10.0 -64.3 301 37 420.3 420.3 307.7 420.4 0.02 22 70 17480 -64.3 -75.3 21 11.0 -64.5 295 38 446.8 446.8 310.6 446.9 0.02 23 61 18315 -67.7 -78.7 19 11.0 -67.8 291 37 457.2 457.2 311.5 457.3 0.01 24 52 19275 -68.1 -79.1 19 11.0 -68.2 286 35 477.6 477.6 313.2 477.7 0.01 25 50 19510 -69.1 -80.1 19 11.0 -69.2 285 35 480.7 480.7 313.5 480.7 0.01 26 37 21281 -74.7 -85.7 17 11.0 -74.8 279 40 509.5 509.5 315.6 509.5 0.01 27 30 22500 -74.1 -85.1 17 11.0 -74.2 275 44 542.6 542.6 317.7 542.7 0.01 28 22 24310 -73.7 -84.7 17 11.0 -73.9 594.2 594.2 320.3 594.3 0.01 TRP 334 7664 -54.9 -61.9 42 7.0 -55.0 295 42 298.7 298.7 280.8 298.8 0.03 WND Sounding variables and indices 1000-500 mb thick: 4833.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 66.60 % Est. max temperature: -17.61 C = 0.31 F Sfc-Lift cond lev (LCL): 946.54 mb = 578.24 m = 1897.10 ft T: -28.62 C 700-500 lapse rate: 3.73 C/km ThetaE index: 0.01 C Layer 906.0- 886.0 mb Conv cond level (CCL): 608.20 mb = 3679.15 m = 12070.54 ft Mean mixing ratio: 0.23 g/kg Conv temperature: -1.02 C = 30.17 F Cap Strength: 15.85 C Lifted Index: 27.58 C Risk: None Lifted Index @300 mb: 43.26 C Lifted Index @700 mb: 15.85 C Showalter Index: 19.90 C Risk: None Total Totals Index: 24.00 C Risk: None Vertical Totals Index: 13.80 C Cross Totals Index: 10.20 C K Index: -23.20 Risk: None Sweat Index: 108.00 Risk: None Energy Index: 5.15 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 31.92 J/kg Max Up Vert Vel: 7.99 m/s Conv Inhibition (B-): 52828.97 J/kg Cap Strength: 27.51 C Lift Cond Lev (LCL): 900.96 mb = 931.01 m = 3054.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 316 at 27 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 1018 60 160 3 -1.0 2.8 | 138 30 -20.1 22.5 1 1000 187 195 9 2.3 8.7 | 149 33 -16.8 28.3 2 925 743 260 21 20.7 3.6 | 184 23 1.6 23.3 3 850 1347 285 29 28.0 -7.5 | 216 15 8.9 12.1 4 700 2717 285 36 34.8 -9.3 | 237 19 15.7 10.3 5 500 5020 290 50 47.0 -17.1 | 265 28 27.9 2.5 6 400 6500 295 46 41.7 -19.4 | 269 23 22.6 0.2 7 334 7664 295 42 38.1 -17.7 | 264 19 18.9 1.9 8 300 8350 300 36 31.2 -18.0 | 262 12 12.1 1.6 9 250 9520 300 31 26.8 -15.5 | 242 9 7.7 4.1 10 200 10930 295 33 29.9 -13.9 | 242 12 10.8 5.7 11 150 12760 305 35 28.7 -20.1 | 273 10 9.5 -0.4 12 100 15290 305 36 29.5 -20.6 | 276 10 10.4 -1.0 13 70 17480 295 38 34.4 -16.1 | 257 16 15.3 3.6 14 50 19510 285 35 33.8 -9.1 | 234 18 14.7 10.6 15 30 22500 275 44 43.8 -3.8 | 237 29 24.7 15.8 Wind Parameters Mean winds (0-6000m): 285.8 at 36.6 knts Storm direction: 315.8 at 27.4 knts Shear (0-3000m) pos: 6.0 neg: 0.9 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 103.9 deg Storm rel helicity (0-3000m) pos: 282.1 neg: 0.0 tot: 282.1 m^2/s^2 ave: 94.0 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 7.3 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.21 Bulk Shear: 151.05 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 ------------------------------------------------------------------------------- 500 219 11 157 31| 17.2 0.0 17.2|151.4 0.0 151.4 302.8 0.92| 20.3 18.6 1000 252 16 172 25| 13.6 0.0 13.6|222.7 0.0 222.7 222.7 0.85| 17.8 15.1 1500 267 20 183 21| 10.9 0.0 10.9|250.8 0.0 250.8 167.2 0.84| 14.5 12.3 2000 273 23 192 19| 8.2 0.7 8.9|260.3 0.0 260.3 130.2 0.84| 11.6 9.8 2500 277 25 200 18| 6.6 1.1 7.6|269.8 0.0 269.8 107.9 0.84| 9.8 8.2 3000 279 27 206 17| 6.0 0.9 6.8|282.1 0.0 282.1 94.0 0.84| 8.7 7.3 4000 282 31 219 17| 5.3 0.7 5.9|310.6 0.0 310.6 77.6 0.84| 7.3 6.1 5000 284 34 231 18| 4.8 0.5 5.3|340.4 0.0 340.4 68.1 0.82| 6.5 5.3 6000 286 37 239 19| 3.8 0.4 4.2|350.2 0.0 350.2 58.4 0.80| 5.7 4.6 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20251206.12.gif