UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123000.upa.cvt Date: 0000Z 30 DEC 25 Searching for U9839... Searching the city database file for: U9839 ... Date:0000Z 30 DEC 25 Station: U9839 WMO ident: 29839 Latitude: 53.50 Longitude: 83.83 ------------------------------------------------------------------------------- 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 1001 147 -21.3 -23.9 79 2.6 -21.6 100 1 251.8 251.9 251.5 253.3 0.55 1 1000 154 -21.3 -24.1 78 2.8 -21.7 105 3 251.9 251.9 251.5 253.3 0.54 2 986 258 -21.5 -24.4 77 2.9 -21.8 120 5 252.7 252.7 252.2 254.1 0.54 3 956 490 -14.9 -19.9 66 5.0 -15.8 154 10 261.6 261.7 260.1 263.9 0.82 4 941 612 -10.1 -18.1 52 8.0 -11.8 171 12 267.7 267.8 264.9 270.4 0.98 5 925 746 -3.9 -14.9 42 11.0 -6.9 190 15 275.3 275.5 270.5 279.0 1.30 6 907 902 0.8 -14.2 32 15.0 -3.8 197 17 281.7 281.9 274.5 285.8 1.40 7 871 1224 -1.3 -14.3 36 13.0 -5.2 211 21 282.8 283.1 275.1 287.1 1.45 8 850 1418 -1.1 -14.1 37 13.0 -5.1 220 23 285.0 285.3 276.4 289.5 1.51 9 834 1570 -1.1 -13.1 40 12.0 -5.0 217 22 286.5 286.8 277.4 291.5 1.67 10 808 1821 -2.7 -9.7 59 7.0 -5.1 212 21 287.5 287.8 278.7 294.1 2.26 11 706 2877 -9.7 -18.7 48 9.0 -12.1 191 17 291.0 291.3 279.0 294.8 1.24 12 700 2943 -9.7 -19.7 44 10.0 -12.2 190 17 291.7 291.9 279.2 295.3 1.14 13 654 3466 -10.7 -33.7 13 23.0 -14.7 196 14 296.3 296.4 280.2 297.5 0.34 14 605 4061 -14.1 -40.1 9 26.0 -17.7 203 11 299.1 299.1 281.2 299.8 0.19 15 515 5264 -22.1 -49.1 7 27.0 -24.5 217 4 303.5 303.5 282.9 303.8 0.08 16 500 5480 -24.1 -51.1 6 27.0 -26.3 220 3 303.7 303.7 283.0 303.9 0.07 17 417 6772 -34.9 -61.9 5 27.0 -36.0 289 10 306.0 306.0 283.8 306.1 0.02 18 400 7060 -37.5 -59.5 8 22.0 -38.4 305 11 306.3 306.3 284.0 306.4 0.03 19 351 7950 -45.5 -57.5 25 12.0 -45.9 307 18 307.1 307.1 284.3 307.3 0.05 20 300 8980 -54.5 -68.5 16 14.0 -54.6 310 27 308.5 308.5 284.8 308.6 0.01 21 264 9783 -61.3 -73.3 19 12.0 -61.4 306 36 310.1 310.1 285.4 310.1 0.01 22 250 10120 -61.5 -73.5 19 12.0 -61.6 305 40 314.6 314.6 286.9 314.7 0.01 23 232 10580 -63.7 -74.7 21 11.0 -63.8 300 38 318.1 318.1 288.1 318.1 0.01 24 216 11018 -64.5 -74.5 24 10.0 -64.6 295 38 323.4 323.4 289.8 323.4 0.01 25 200 11490 -62.3 -74.3 19 12.0 -62.4 290 38 334.1 334.1 292.8 334.1 0.01 26 150 13290 -56.3 -78.3 5 22.0 -56.6 270 38 373.1 373.1 301.1 373.1 0.01 27 145 13505 -55.7 -78.7 4 23.0 -56.1 270 38 377.8 377.8 301.9 377.8 0.01 28 100 15840 -61.1 -83.1 4 22.0 -61.3 270 38 409.7 409.7 306.5 409.7 0.00 29 87 16708 -58.5 -81.5 4 23.0 -58.9 268 42 431.5 431.5 309.0 431.6 0.01 30 70 18070 -59.1 -82.1 4 23.0 -59.6 265 48 457.9 458.0 311.6 458.0 0.01 31 50 20170 -61.1 -83.1 4 22.0 -61.6 275 33 499.5 499.5 314.9 499.5 0.01 32 38 21878 -61.5 -83.5 4 22.0 -62.1 270 40 539.3 539.3 317.5 539.3 0.01 33 30 23360 -57.5 -79.5 4 22.0 -58.7 265 46 587.9 587.9 320.0 588.1 0.02 34 26 24266 -56.7 -79.7 4 23.0 -58.2 614.7 614.7 321.3 614.9 0.03 TRP 232 10580 -63.7 -74.7 21 11.0 -63.8 300 38 318.1 318.1 288.1 318.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5326.00 m Freezing level: Surface below freezing Freezing level: 910.06 mb = 875.23 m = 2871.45 ft Freezing level: 893.29 mb = 1024.61 m = 3361.55 ft Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 32.02 % Est. max temperature: 11.82 C = 53.27 F Sfc-Lift cond lev (LCL): 958.82 mb = 468.25 m = 1536.23 ft T: -15.53 C 700-500 lapse rate: 5.68 C/km ThetaE index: 0.00 C Layer 1001.0-9868188356753480989314477680259760128.0 mb Conv cond level (CCL): 1000.00 mb = 154.00 m = 505.24 ft Mean mixing ratio: 0.94 g/kg Conv temperature: -17.78 C = -0.00 F Cap Strength: 29.50 C Lifted Index: 29.32 C Risk: None Lifted Index @300 mb: 28.68 C Lifted Index @700 mb: 22.39 C Showalter Index: 12.50 C Risk: None Total Totals Index: 33.00 C Risk: None Vertical Totals Index: 23.00 C Cross Totals Index: 10.00 C K Index: -1.10 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 3.09 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 134.76 J/kg Max Up Vert Vel: 16.42 m/s Conv Inhibition (B-): 51898.97 J/kg Cap Strength: 29.43 C Lift Cond Lev (LCL): 850.02 mb = 1417.85 m = 4651.69 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 233 at 10 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 1001 147 100 1 -1.0 0.2 | 57 10 -8.6 -5.6 1 1000 154 105 3 -2.9 0.8 | 64 12 -10.5 -5.0 2 925 746 190 15 2.6 14.8 | 151 10 -5.0 9.0 3 850 1418 220 23 14.8 17.6 | 211 14 7.2 11.8 4 700 2943 190 17 3.0 16.7 | 157 12 -4.6 10.9 5 500 5480 220 3 1.9 2.3 | 58 7 -5.7 -3.5 6 400 7060 305 11 9.0 -6.3 | 353 12 1.4 -12.1 7 300 8980 310 27 20.7 -17.4 | 331 27 13.1 -23.2 8 250 10120 305 40 32.8 -22.9 | 319 38 25.2 -28.7 9 232 10580 300 38 32.9 -19.0 | 314 35 25.3 -24.8 10 200 11490 290 38 35.7 -13.0 | 304 34 28.1 -18.8 11 150 13290 270 38 38.0 -0.0 | 281 31 30.4 -5.8 12 100 15840 270 38 38.0 -0.0 | 281 31 30.4 -5.8 13 70 18070 265 48 47.8 4.2 | 272 40 40.2 -1.6 14 50 20170 275 33 32.9 -2.9 | 289 27 25.3 -8.7 15 30 23360 265 46 45.8 4.0 | 273 38 38.2 -1.8 Wind Parameters Mean winds (0-6000m): 202.6 at 12.7 knts Storm direction: 232.6 at 9.6 knts Shear (0-3000m) pos: 3.9 neg: 1.7 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 99.9 deg Storm rel helicity (0-3000m) pos: 95.8 neg: -38.7 tot: 57.1 m^2/s^2 ave: 19.0 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 3.4 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 15.10 Bulk Shear: 8.92 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 ------------------------------------------------------------------------------- 500 164 8 100 10| 13.1 0.0 13.1| 48.1 0.0 48.1 96.2 0.95| 16.6 15.8 1000 191 12 140 8| 10.3 0.0 10.3| 79.3 0.0 79.3 79.3 0.96| 14.1 13.5 1500 204 15 171 8| 7.7 0.0 7.7| 95.8 -5.9 89.8 59.9 0.86| 11.8 10.1 2000 206 17 179 9| 5.8 1.1 6.9| 95.8 -19.6 76.2 38.1 0.66| 9.9 6.6 2500 206 17 179 10| 4.6 1.6 6.3| 95.8 -31.8 64.0 25.6 0.51| 8.7 4.5 3000 204 17 177 10| 3.9 1.7 5.5| 95.8 -38.7 57.1 19.0 0.43| 7.9 3.4 4000 202 16 171 9| 2.4 1.3 3.7| 95.8 -42.7 53.1 13.3 0.33| 6.7 2.2 5000 202 14 164 8| 1.5 1.0 2.5| 95.8 -48.4 47.4 9.5 0.21| 5.9 1.3 6000 203 13 156 7| 1.5 0.8 2.3| 95.8 -54.1 41.6 6.9 0.12| 5.5 0.7 Wrote GIF file: /home/apache/climate/data/raob//U9839/skewt/U9839.skewt.20251230.00.gif