UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for U8951... Searching the city database file for: U8951 ... Date:1200Z 9 DEC 25 Station: U8951 WMO ident: 28951 Latitude: 53.23 Longitude: 63.62 ------------------------------------------------------------------------------- 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 1021 162 -21.1 -24.7 73 3.6 -21.5 350 3 250.6 250.6 250.3 251.9 0.51 1 1000 315 -22.9 -22.9 100 0.0 -22.9 5 9 250.2 250.3 250.3 251.9 0.61 2 994 359 -23.1 -23.1 100 0.0 -23.1 7 10 250.5 250.6 250.4 252.1 0.60 3 981 456 -19.1 -19.5 97 0.4 -19.1 12 11 255.4 255.6 255.2 257.7 0.83 4 942 759 -17.3 -20.6 75 3.3 -17.9 28 15 260.3 260.4 259.0 262.4 0.79 5 925 896 -16.1 -22.1 60 6.0 -17.1 35 17 262.8 263.0 260.9 264.8 0.70 6 923 912 -16.1 -22.1 60 6.0 -17.1 35 17 263.0 263.1 261.0 265.0 0.70 7 908 1036 -16.1 -21.1 65 5.0 -16.9 35 17 264.2 264.4 262.0 266.4 0.78 8 894 1153 -15.3 -24.3 46 9.0 -16.7 35 17 266.2 266.3 263.2 268.0 0.60 9 881 1263 -15.3 -23.3 50 8.0 -16.6 35 17 267.4 267.5 264.1 269.3 0.66 10 870 1358 -14.9 -25.9 39 11.0 -16.6 35 17 268.7 268.8 264.8 270.3 0.53 11 865 1402 -15.1 -27.1 35 12.0 -16.9 35 17 269.0 269.1 264.9 270.4 0.48 12 861 1437 -14.9 -28.9 29 14.0 -16.9 35 17 269.5 269.6 265.1 270.8 0.41 13 850 1534 -15.1 -29.1 29 14.0 -17.1 35 17 270.3 270.4 265.7 271.5 0.41 14 843 1596 -15.5 -31.5 24 16.0 -17.6 34 17 270.5 270.6 265.7 271.5 0.33 15 834 1678 -15.1 -33.1 20 18.0 -17.4 34 18 271.8 271.8 266.5 272.7 0.28 16 805 1945 -14.7 -31.7 22 17.0 -17.1 31 20 275.0 275.0 268.7 276.0 0.33 17 736 2617 -19.9 -29.9 41 10.0 -21.2 24 24 276.5 276.5 269.8 277.8 0.43 18 700 2988 -21.5 -33.5 33 12.0 -22.9 20 27 278.7 278.7 270.9 279.7 0.32 19 644 3598 -24.7 -38.7 26 14.0 -26.0 21 31 281.8 281.8 272.6 282.4 0.21 20 635 3701 -24.1 -44.1 14 20.0 -25.7 21 32 283.6 283.6 273.5 284.0 0.12 21 500 5400 -36.5 -49.5 25 13.0 -37.1 25 44 288.5 288.6 276.0 288.8 0.08 22 400 6910 -47.1 -60.1 21 13.0 -47.4 10 44 293.8 293.8 278.6 293.9 0.03 23 388 7112 -48.7 -62.7 18 14.0 -49.0 9 48 294.2 294.3 278.8 294.3 0.02 24 338 8015 -53.1 -68.2 14 15.1 -53.3 5 68 300.1 300.1 281.4 300.1 0.01 25 300 8780 -56.9 -72.9 12 16.0 -57.1 5 66 305.1 305.1 283.5 305.2 0.01 26 280 9213 -58.7 -73.7 13 15.0 -58.8 5 60 308.6 308.6 284.8 308.7 0.01 27 250 9920 -59.5 -74.5 13 15.0 -59.6 360 54 317.6 317.6 288.0 317.6 0.01 28 200 11310 -61.1 -77.1 10 16.0 -61.2 340 52 336.0 336.0 293.3 336.0 0.01 29 150 13090 -62.9 -81.9 6 19.0 -63.0 315 48 361.7 361.7 299.0 361.7 0.00 30 100 15570 -65.1 -93.1 1 28.0 -65.3 320 38 401.9 401.9 305.5 401.9 0.00 31 81 16849 -67.9 -94.9 1 27.0 -68.0 302 45 421.2 421.2 307.9 421.2 0.00 32 70 17730 -66.9 -94.9 1 28.0 -67.1 290 50 441.3 441.3 310.0 441.3 0.00 33 60 18659 -66.7 -94.7 1 28.0 -66.9 290 50 461.6 461.6 311.9 461.6 0.00 34 50 19750 -70.1 -97.1 1 27.0 -70.2 290 50 478.3 478.3 313.3 478.3 0.00 35 37 21518 -73.7 -99.7 1 26.0 -73.8 284 65 512.1 512.1 315.8 512.1 0.00 36 30 22750 -70.1 -97.1 1 27.0 -70.4 280 75 553.5 553.5 318.3 553.5 0.00 37 25 23836 -69.5 -96.5 1 27.0 -69.8 584.9 584.9 319.9 584.9 0.00 TRP 280 9213 -58.7 -73.7 13 15.0 -58.8 5 60 308.6 308.6 284.8 308.7 0.01 WND 338 8015 -53.1 -68.2 14 15.1 -53.3 5 68 300.1 300.1 281.4 300.1 0.01 Sounding variables and indices 1000-500 mb thick: 5085.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 35.98 % Est. max temperature: -2.93 C = 26.72 F Sfc-Lift cond lev (LCL): 961.94 mb = 602.77 m = 1977.58 ft T: -18.23 C 700-500 lapse rate: 6.22 C/km ThetaE index: 0.05 C Layer 1000.0- 994.0 mb Conv cond level (CCL): 1000.00 mb = 315.00 m = 1033.45 ft Mean mixing ratio: 0.72 g/kg Conv temperature: -19.47 C = -3.04 F Cap Strength: 22.64 C Lifted Index: 25.00 C Risk: None Lifted Index @300 mb: 33.31 C Lifted Index @700 mb: 19.00 C Showalter Index: 14.16 C Risk: None Total Totals Index: 28.80 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 7.40 C K Index: -19.70 Risk: None Sweat Index: 78.00 Risk: None Energy Index: 3.69 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 56.49 J/kg Max Up Vert Vel: 10.63 m/s Conv Inhibition (B-): 51302.52 J/kg Cap Strength: 24.89 C Lift Cond Lev (LCL): 936.89 mb = 800.07 m = 2624.87 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 54 at 21 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 1021 162 350 3 0.5 -3.0 | 242 20 17.9 9.7 1 1000 315 5 9 -0.8 -9.0 | 257 17 16.6 3.7 2 925 896 35 17 -9.8 -13.9 | 280 8 7.6 -1.3 3 850 1534 35 17 -9.8 -13.9 | 280 8 7.6 -1.3 4 700 2988 20 27 -9.2 -25.4 | 328 15 8.1 -12.7 5 500 5400 25 44 -18.6 -39.9 | 3 27 -1.3 -27.2 6 400 6910 10 44 -7.6 -43.3 | 342 32 9.7 -30.7 7 338 8015 5 68 -5.9 -67.7 | 348 56 11.4 -55.1 8 300 8780 5 66 -5.8 -65.7 | 348 54 11.6 -53.1 9 280 9213 5 60 -5.2 -59.8 | 346 49 12.1 -47.1 10 250 9920 360 54 -0.0 -54.0 | 337 45 17.3 -41.4 11 200 11310 340 52 17.8 -48.9 | 316 50 35.1 -36.2 12 150 13090 315 48 33.9 -33.9 | 293 56 51.3 -21.3 13 100 15570 320 38 24.4 -29.1 | 292 45 41.8 -16.5 14 70 17730 290 50 47.0 -17.1 | 274 64 64.3 -4.5 15 50 19750 290 50 47.0 -17.1 | 274 64 64.3 -4.5 16 30 22750 280 75 73.9 -13.0 | 270 91 91.2 -0.4 Wind Parameters Mean winds (0-6000m): 23.9 at 28.6 knts Storm direction: 53.9 at 21.5 knts Shear (0-3000m) pos: 2.6 neg: 2.1 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 89.9 deg Storm rel helicity (0-3000m) pos: 66.8 neg: 0.0 tot: 66.8 m^2/s^2 ave: 22.3 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 3.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.16 Bulk Shear: 48.60 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 13 10 258 15| 11.7 0.0 11.7| 38.1 0.0 38.1 76.2 0.69| 12.5 8.7 1000 27 13 265 12| 7.7 0.0 7.7| 42.3 0.0 42.3 42.3 0.60| 8.6 5.2 1500 30 14 269 10| 5.2 0.3 5.5| 44.3 0.0 44.3 29.5 0.62| 6.1 3.8 2000 30 16 275 10| 3.9 1.2 5.1| 51.9 0.0 51.9 26.0 0.67| 5.5 3.7 2500 29 17 284 9| 3.1 1.8 4.9| 58.8 0.0 58.8 23.5 0.66| 5.3 3.5 3000 27 19 294 10| 2.6 2.1 4.7| 66.8 0.0 66.8 22.3 0.64| 5.1 3.2 4000 25 22 311 11| 2.8 1.6 4.4| 92.4 0.0 92.4 23.1 0.67| 4.7 3.1 5000 24 25 327 13| 3.0 1.3 4.3|120.3 0.0 120.3 24.1 0.66| 4.5 3.0 6000 24 29 337 15| 2.5 1.4 3.9|126.2 -38.8 87.4 14.6 0.48| 4.4 2.1 Wrote GIF file: /home/apache/climate/data/raob//U8951/skewt/U8951.skewt.20251209.12.gif