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 U4908... Searching the city database file for: U4908 ... Date:1200Z 1 DEC 25 Station: U4908 WMO ident: 24908 Latitude: 60.33 Longitude: 102.27 ------------------------------------------------------------------------------- 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 1005 261 -37.5 -40.9 70 3.4 -37.6 50 1 235.3 235.3 235.2 235.6 0.11 1 1002 282 -34.7 -39.6 61 4.9 -34.9 131 5 238.3 238.3 238.1 238.6 0.12 2 1000 296 -33.9 -38.8 61 4.9 -34.1 185 7 239.2 239.3 239.1 239.6 0.13 3 966 541 -29.1 -33.9 63 4.8 -29.4 207 10 246.5 246.5 246.0 247.1 0.23 4 948 675 -28.5 -32.9 66 4.4 -28.8 219 11 248.4 248.5 247.8 249.1 0.25 5 932 798 -25.3 -29.5 68 4.2 -25.7 230 12 252.9 252.9 252.0 253.9 0.36 6 925 853 -24.3 -28.3 69 4.0 -24.7 235 13 254.5 254.5 253.4 255.6 0.40 7 908 989 -22.9 -26.5 72 3.6 -23.3 239 12 257.3 257.3 255.9 258.6 0.48 8 850 1474 -21.5 -26.5 64 5.0 -22.1 255 7 263.6 263.7 261.0 265.1 0.52 9 832 1632 -21.3 -27.3 58 6.0 -22.1 262 8 265.5 265.5 262.4 266.9 0.49 10 700 2891 -27.5 -32.5 62 5.0 -28.0 315 17 272.0 272.1 266.8 273.1 0.36 11 668 3226 -29.5 -34.3 63 4.8 -29.9 318 19 273.5 273.5 267.6 274.4 0.31 12 500 5260 -37.5 -41.6 65 4.1 -37.7 340 31 287.3 287.4 275.6 288.0 0.20 13 481 5528 -38.3 -42.2 67 3.9 -38.5 342 35 289.5 289.6 276.7 290.2 0.19 14 400 6780 -46.9 -50.6 66 3.7 -47.0 350 52 294.0 294.1 278.8 294.4 0.09 15 302 8579 -60.9 -64.6 61 3.7 -60.9 355 56 298.9 298.9 280.9 299.0 0.02 16 300 8620 -61.1 -64.9 61 3.8 -61.2 355 56 299.2 299.2 281.0 299.3 0.02 17 278 9091 -63.4 -67.2 60 3.8 -63.4 355 68 302.5 302.5 282.4 302.5 0.02 18 263 9431 -65.1 -68.9 59 3.8 -65.1 352 66 304.8 304.8 283.4 304.9 0.01 19 250 9740 -65.9 -69.7 59 3.8 -65.9 350 64 308.1 308.1 284.6 308.1 0.01 20 248 9788 -66.1 -69.8 60 3.7 -66.1 350 60 308.5 308.5 284.8 308.6 0.01 21 242 9936 -64.7 -68.6 58 3.9 -64.7 350 59 312.8 312.8 286.4 312.8 0.02 22 200 11100 -62.3 -66.2 59 3.9 -62.3 350 48 334.1 334.1 292.9 334.2 0.03 23 152 12798 -62.3 -66.4 58 4.1 -62.4 350 37 361.4 361.4 299.0 361.5 0.03 24 150 12880 -62.3 -66.5 57 4.2 -62.4 350 36 362.8 362.8 299.2 362.9 0.03 25 113 14615 -65.3 -69.9 53 4.6 -65.4 353 34 387.8 387.8 303.5 387.9 0.03 26 100 15360 -64.5 -69.3 52 4.8 -64.6 355 33 403.1 403.1 305.6 403.3 0.03 27 70 17520 -69.1 -74.1 48 5.0 -69.2 350 31 436.6 436.6 309.6 436.7 0.02 28 50 19520 -72.1 -77.1 47 5.0 -72.2 350 21 473.6 473.6 313.0 473.7 0.02 29 37 21292 -72.3 -78.3 40 6.0 -72.4 515.7 515.7 316.0 515.8 0.02 TRP 248 9788 -66.1 -69.8 60 3.7 -66.1 350 60 308.5 308.5 284.8 308.6 0.01 WND 278 9091 -63.4 -67.2 60 3.8 -63.4 355 68 302.5 302.5 282.4 302.5 0.02 Sounding variables and indices 1000-500 mb thick: 4964.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 63.66 % Est. max temperature: -9.72 C = 14.50 F Sfc-Lift cond lev (LCL): 947.42 mb = 679.80 m = 2230.28 ft T: -28.39 C 700-500 lapse rate: 4.22 C/km ThetaE index: 0.00 C Layer 1005.0- 0.0 mb Conv cond level (CCL): 1002.00 mb = 282.04 m = 925.32 ft Mean mixing ratio: 0.28 g/kg Conv temperature: -31.13 C = -24.04 F Cap Strength: 21.93 C Lifted Index: 31.45 C Risk: None Lifted Index @300 mb: 35.59 C Lifted Index @700 mb: 21.00 C Showalter Index: 18.32 C Risk: None Total Totals Index: 27.00 C Risk: None Vertical Totals Index: 16.00 C Cross Totals Index: 11.00 C K Index: -15.50 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 4.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 72.72 J/kg Max Up Vert Vel: 12.06 m/s Conv Inhibition (B-): 46918.21 J/kg Cap Strength: 30.98 C Lift Cond Lev (LCL): 897.55 mb = 1073.75 m = 3522.76 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 356 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 1005 261 50 1 -0.8 -0.6 | 172 15 -2.0 14.9 1 1000 296 185 7 0.6 7.0 | 178 22 -0.6 22.5 2 925 853 235 13 10.6 7.5 | 202 25 9.4 23.0 3 850 1474 255 7 6.8 1.8 | 198 18 5.6 17.3 4 700 2891 315 17 12.0 -12.0 | 252 11 10.8 3.5 5 500 5260 340 31 10.6 -29.1 | 325 17 9.4 -13.6 6 400 6780 350 52 9.0 -51.2 | 348 37 7.8 -35.7 7 300 8620 355 56 4.9 -55.8 | 355 40 3.7 -40.3 8 278 9091 355 68 5.9 -67.7 | 355 52 4.7 -52.2 9 250 9740 350 64 11.1 -63.0 | 348 49 9.9 -47.5 10 248 9788 350 60 10.4 -59.1 | 348 45 9.2 -43.6 11 200 11100 350 48 8.3 -47.3 | 347 33 7.1 -31.8 12 150 12880 350 36 6.3 -35.5 | 346 21 5.0 -19.9 13 100 15360 355 33 2.9 -32.9 | 355 17 1.7 -17.4 14 70 17520 350 31 5.4 -30.5 | 344 16 4.2 -15.0 15 50 19520 350 21 3.6 -20.7 | 335 6 2.4 -5.2 Wind Parameters Mean winds (0-6000m): 325.6 at 20.7 knts Storm direction: 355.6 at 15.6 knts Shear (0-3000m) pos: 3.3 neg: 0.0 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 92.3 deg Storm rel helicity (0-3000m) pos: 139.6 neg: -8.1 tot: 131.4 m^2/s^2 ave: 43.8 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 4.7 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.82 Bulk Shear: 88.82 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 ------------------------------------------------------------------------------- 500 211 9 188 24| 13.4 0.0 13.4| 59.4 0.0 59.4 118.8 0.62| 16.5 10.2 1000 228 10 196 23| 5.1 0.0 5.1| 73.0 -3.3 69.7 69.7 0.50| 11.7 5.9 1500 235 9 198 22| 3.4 0.0 3.4| 85.1 -8.1 77.0 51.3 0.47| 9.4 4.5 2000 248 10 202 21| 3.4 0.0 3.4|107.1 -8.1 99.0 49.5 0.55| 8.4 4.6 2500 265 11 210 19| 3.4 0.0 3.4|127.2 -8.1 119.1 47.6 0.60| 8.1 4.8 3000 280 12 218 17| 3.3 0.0 3.3|139.6 -8.1 131.4 43.8 0.63| 7.4 4.7 4000 300 14 233 14| 3.2 0.0 3.2|161.9 -8.1 153.8 38.4 0.68| 6.5 4.4 5000 316 17 254 11| 3.2 0.0 3.2|189.2 -8.1 181.0 36.2 0.71| 6.0 4.3 6000 326 21 279 11| 3.8 0.0 3.8|227.9 -8.1 219.7 36.6 0.65| 6.3 4.1 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20251201.12.gif