UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121912.upa.cvt Date: 1200Z 19 DEC 25 Searching for U6298... Searching the city database file for: U6298 ... Date:1200Z 19 DEC 25 Station: U6298 WMO ident: 26298 Latitude: 57.90 Longitude: 34.05 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 179 230 3 SFC 999 187 0.2 -0.9 92 1.1 -0.2 230 3 273.4 274.0 272.9 283.1 3.58 2 950 589 -2.9 -4.2 91 1.3 -3.4 256 19 274.2 274.7 272.5 282.3 2.94 3 925 802 0.2 -0.5 95 0.7 -0.1 270 27 279.5 280.2 276.9 290.6 3.98 4 920 845 1.0 0.4 96 0.6 0.7 272 27 280.8 281.5 278.0 292.7 4.28 5 902 1002 0.0 -0.6 96 0.6 -0.3 279 27 281.3 282.0 278.0 292.6 4.05 6 889 1116 -1.9 -6.9 69 5.0 -3.7 284 27 280.5 281.0 275.5 287.8 2.56 7 872 1269 -0.9 -13.9 37 13.0 -4.9 291 27 283.1 283.4 275.4 287.5 1.49 8 860 1378 0.0 -14.0 34 14.0 -4.4 296 27 285.2 285.5 276.5 289.7 1.50 9 850 1471 0.0 -14.0 34 14.0 -4.4 300 27 286.1 286.4 277.0 290.7 1.52 10 816 1798 0.2 -18.8 22 19.0 -5.3 298 26 289.7 289.9 278.2 293.0 1.06 11 788 2077 -0.7 -14.7 34 14.0 -5.2 296 25 291.7 291.9 279.7 296.4 1.55 12 772 2240 -1.3 -29.3 10 28.0 -7.5 295 24 292.7 292.8 278.7 294.2 0.44 13 715 2849 -2.9 -27.9 13 25.0 -8.7 291 22 297.5 297.6 281.0 299.2 0.54 14 700 3017 -3.5 -11.5 54 8.0 -6.4 290 21 298.6 299.0 283.6 305.6 2.26 15 618 3994 -7.1 -19.1 38 12.0 -10.6 294 25 305.3 305.6 285.2 309.7 1.37 16 617 4007 -7.1 -19.1 38 12.0 -10.6 294 26 305.5 305.7 285.2 309.9 1.37 17 550 4891 -13.7 -22.7 47 9.0 -15.9 297 30 307.8 308.0 285.9 311.5 1.12 18 507 5506 -16.5 -26.5 42 10.0 -18.7 300 33 311.7 311.8 286.9 314.6 0.86 19 500 5610 -17.5 -27.5 41 10.0 -19.6 300 33 311.7 311.9 286.9 314.4 0.80 20 400 7240 -30.9 -36.9 56 6.0 -31.6 315 31 314.8 314.9 287.5 316.3 0.40 21 300 9210 -46.9 -51.3 61 4.4 -47.1 315 46 319.3 319.3 288.6 319.7 0.11 22 284 9570 -49.9 -54.1 61 4.2 -50.0 317 48 320.0 320.0 288.8 320.3 0.09 23 250 10390 -56.3 -60.2 61 3.9 -56.4 320 52 322.4 322.4 289.5 322.5 0.05 24 222 11138 -62.9 -67.3 55 4.4 -63.0 324 62 323.4 323.4 289.8 323.4 0.02 25 216 11307 -63.6 -67.9 56 4.3 -63.6 325 64 324.8 324.8 290.2 324.9 0.02 26 200 11780 -65.5 -69.6 57 4.1 -65.5 330 56 329.0 329.0 291.5 329.1 0.02 27 177 12513 -70.9 -75.0 54 4.1 -70.9 315 46 331.9 331.9 292.2 331.9 0.01 28 174 12614 -70.9 -75.0 54 4.1 -70.9 314 46 333.5 333.5 292.7 333.5 0.01 29 150 13500 -67.7 -72.3 52 4.6 -67.7 305 46 353.5 353.5 297.4 353.5 0.01 30 149 13540 -67.7 -72.3 52 4.6 -67.7 305 46 354.1 354.1 297.5 354.2 0.01 31 143 13790 -63.5 -68.2 53 4.7 -63.6 304 44 365.7 365.7 299.8 365.8 0.03 32 110 15406 -61.9 -66.9 51 5.0 -62.0 297 35 397.2 397.2 304.9 397.4 0.04 33 100 15990 -65.9 -70.9 50 5.0 -66.0 295 31 400.4 400.4 305.3 400.5 0.03 34 71 18066 -66.5 -72.5 43 6.0 -66.6 440.3 440.3 309.9 440.5 0.03 TRP 177 12513 -70.9 -75.0 54 4.1 -70.9 315 46 331.9 331.9 292.2 331.9 0.01 WND 216 11307 -63.6 -67.9 56 4.3 -63.6 325 64 324.8 324.8 290.2 324.9 0.02 Sounding variables and indices 1000-500 mb thick: 5431.00 m Freezing level: 995.84 mb = 212.97 m = 698.71 ft Freezing level: 926.61 mb = 788.25 m = 2586.10 ft Freezing level: 902.00 mb = 1001.83 m = 3286.82 ft Freezing level: 860.00 mb = 1378.29 m = 4521.90 ft Freezing level: 809.78 mb = 1859.76 m = 6101.50 ft Wetbulb zero: Below ground Precipitable water: 0.39 inches Sfc-500 mean rel hum: 45.52 % Est. max temperature: 13.02 C = 55.43 F Sfc-Lift cond lev (LCL): 981.87 mb = 325.27 m = 1067.16 ft T: -0.87 C 700-500 lapse rate: 5.40 C/km ThetaE index: 5.12 C Layer 902.0- 860.0 mb Conv cond level (CCL): 973.45 mb = 394.10 m = 1292.95 ft Mean mixing ratio: 3.54 g/kg Conv temperature: 0.62 C = 33.12 F Cap Strength: 21.68 C Lifted Index: 21.56 C Risk: None Lifted Index @300 mb: 23.39 C Lifted Index @700 mb: 14.64 C Showalter Index: 18.22 C Risk: None Total Totals Index: 21.00 C Risk: None Vertical Totals Index: 17.50 C Cross Totals Index: 3.50 C K Index: -4.50 Risk: None Sweat Index: 87.00 Risk: None Energy Index: 5.02 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 41.52 J/kg Max Up Vert Vel: 9.11 m/s Conv Inhibition (B-): 22902.56 J/kg Cap Strength: 21.64 C Lift Cond Lev (LCL): 934.23 mb = 722.71 m = 2371.08 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 324 at 19 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 ---------------------------------------------------------- 0 999 187 230 3 2.3 1.9 | 153 20 -9.0 17.4 1 925 802 270 27 27.0 -0.0 | 225 22 15.7 15.5 2 850 1471 300 27 23.4 -13.5 | 261 12 12.1 2.0 3 700 3017 290 21 19.7 -7.2 | 225 12 8.4 8.3 4 500 5610 300 33 28.6 -16.5 | 273 17 17.3 -1.0 5 400 7240 315 31 21.9 -21.9 | 301 12 10.6 -6.4 6 300 9210 315 46 32.5 -32.5 | 309 27 21.2 -17.0 7 250 10390 320 52 33.4 -39.8 | 318 33 22.1 -24.3 8 216 11307 325 64 36.7 -52.4 | 325 45 25.4 -36.9 9 200 11780 330 56 28.0 -48.5 | 333 37 16.7 -33.0 10 177 12513 315 46 32.5 -32.5 | 309 27 21.2 -17.0 11 150 13500 305 46 37.7 -26.4 | 292 29 26.4 -10.9 12 100 15990 295 31 28.1 -13.1 | 262 17 16.8 2.4 Wind Parameters Mean winds (0-6000m): 293.9 at 25.6 knts Storm direction: 323.9 at 19.2 knts Shear (0-3000m) pos: 4.3 neg: 0.9 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 76.7 deg Storm rel helicity (0-3000m) pos: 192.1 neg: -22.1 tot: 170.0 m^2/s^2 ave: 56.7 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 5.2 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 1.30 Bulk Shear: 31.93 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 ------------------------------------------------------------------------------- 500 266 13 185 16| 20.6 0.0 20.6|113.5 0.0 113.5 226.9 1.00| 21.6 21.5 1000 273 20 210 17| 13.1 0.0 13.1|173.7 0.0 173.7 173.7 0.93| 17.7 16.5 1500 282 22 223 15| 8.6 0.0 8.6|190.0 -3.1 186.9 124.6 0.86| 14.2 12.2 2000 286 23 229 14| 6.5 0.6 7.1|190.0 -10.6 179.4 89.7 0.76| 11.3 8.5 2500 288 23 231 13| 5.2 1.0 6.2|190.0 -17.8 172.2 68.9 0.67| 9.5 6.3 3000 289 23 231 13| 4.3 0.9 5.3|192.1 -22.1 170.0 56.7 0.62| 8.3 5.2 4000 290 23 233 13| 3.9 0.7 4.6|207.7 -22.1 185.5 46.4 0.65| 6.8 4.5 5000 292 24 240 13| 3.6 0.6 4.2|224.5 -22.1 202.4 40.5 0.67| 6.0 4.0 6000 294 26 247 13| 3.2 0.5 3.6|242.7 -22.1 220.6 36.8 0.68| 5.4 3.7 Wrote GIF file: /home/apache/climate/data/raob//U6298/skewt/U6298.skewt.20251219.12.gif