UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 7 DEC 25 Station: U6781 WMO ident: 26781 Latitude: 54.75 Longitude: 32.07 ------------------------------------------------------------------------------- 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 206 160 7 SFC 995 246 0.4 -1.5 87 1.9 -0.3 160 7 273.9 274.5 273.1 283.3 3.44 2 925 826 -3.5 -4.8 91 1.3 -4.0 200 27 275.7 276.2 273.3 283.7 2.89 3 888 1148 -5.1 -7.0 86 1.9 -5.7 207 23 277.3 277.7 273.7 284.4 2.54 4 883 1193 -4.9 -6.8 87 1.9 -5.5 208 23 278.0 278.4 274.2 285.3 2.60 5 850 1494 -3.3 -11.3 54 8.0 -5.8 215 19 282.7 283.0 275.7 288.2 1.89 6 849 1503 -3.3 -12.3 50 9.0 -6.1 215 19 282.8 283.1 275.6 287.9 1.75 7 748 2509 -0.5 -23.5 16 23.0 -6.6 228 24 296.3 296.4 280.8 298.7 0.77 8 741 2584 -0.7 -25.7 13 25.0 -7.0 229 25 296.8 297.0 280.8 298.9 0.64 9 700 3036 -3.7 -31.7 9 28.0 -9.6 235 27 298.4 298.5 281.2 299.7 0.38 10 601 4217 -11.5 -38.5 9 27.0 -15.8 237 31 302.7 302.7 282.8 303.5 0.23 11 546 4941 -17.9 -41.9 10 24.0 -20.9 239 33 303.5 303.5 283.0 304.1 0.18 12 500 5590 -23.3 -40.3 20 17.0 -25.2 240 35 304.6 304.7 283.5 305.4 0.23 13 400 7190 -36.5 -43.5 48 7.0 -37.0 260 36 307.6 307.6 284.7 308.3 0.20 14 392 7330 -37.9 -44.9 48 7.0 -38.4 260 36 307.5 307.5 284.6 308.1 0.18 15 340 8296 -45.1 -50.1 57 5.0 -45.3 257 32 310.5 310.5 285.7 310.9 0.11 16 300 9120 -52.1 -57.1 55 5.0 -52.2 255 29 311.9 311.9 286.1 312.1 0.06 17 287 9403 -54.3 -59.3 54 5.0 -54.4 249 28 312.7 312.8 286.4 312.9 0.04 18 250 10270 -60.1 -65.0 53 4.9 -60.2 230 23 316.7 316.7 287.7 316.8 0.02 19 200 11630 -70.3 -75.1 49 4.8 -70.3 265 19 321.4 321.4 289.2 321.5 0.01 20 193 11843 -70.9 -75.9 47 5.0 -70.9 250 19 323.8 323.8 289.9 323.8 0.01 21 181 12228 -68.1 -73.1 49 5.0 -68.1 251 20 334.3 334.3 292.9 334.4 0.01 22 150 13360 -68.5 -73.5 48 5.0 -68.5 255 21 352.1 352.1 297.1 352.1 0.01 23 100 15790 -69.1 -74.1 48 5.0 -69.2 285 35 394.2 394.2 304.4 394.3 0.02 24 70 17920 -68.7 -74.7 42 6.0 -68.8 310 38 437.4 437.4 309.6 437.5 0.02 25 53 19567 -72.7 -78.7 40 6.0 -72.8 281 38 464.4 464.4 312.1 464.5 0.02 26 50 19910 -71.7 -77.7 40 6.0 -71.8 275 38 474.5 474.5 313.0 474.6 0.02 27 38 21524 -71.9 -78.9 34 7.0 -72.0 272 49 512.8 512.8 315.8 512.9 0.02 28 30 22910 -73.3 -80.3 34 7.0 -73.4 270 58 544.8 544.8 317.8 545.0 0.02 29 23 24461 -75.7 -82.7 32 7.0 -75.8 270 63 580.8 580.8 319.7 580.9 0.02 30 20 25280 -71.7 -78.7 34 7.0 -71.9 270 66 616.7 616.7 321.3 617.0 0.04 31 19 25583 -70.9 -78.9 30 8.0 -71.2 628.3 628.3 321.9 628.6 0.04 32 14 27399 -69.5 -77.5 30 8.0 -69.9 265 79 690.6 690.6 324.1 691.2 0.07 33 13 27841 -69.1 -77.1 30 8.0 -69.6 706.6 706.6 324.7 707.3 0.08 TRP 193 11843 -70.9 -75.9 47 5.0 -70.9 250 19 323.8 323.8 289.9 323.8 0.01 WND 14 27399 -69.5 -77.5 30 8.0 -69.9 265 79 690.6 690.6 324.1 691.2 0.07 Sounding variables and indices 1000-500 mb thick: 5384.00 m Freezing level: 987.82 mb = 305.60 m = 1002.62 ft Wetbulb zero: Below ground Precipitable water: 0.26 inches Sfc-500 mean rel hum: 31.73 % Est. max temperature: 9.72 C = 49.50 F Sfc-Lift cond lev (LCL): 965.86 mb = 482.43 m = 1582.74 ft T: -1.19 C 700-500 lapse rate: 7.67 C/km ThetaE index: 0.30 C Layer 849.0- 748.0 mb Conv cond level (CCL): 901.30 mb = 1031.06 m = 3382.69 ft Mean mixing ratio: 3.03 g/kg Conv temperature: 3.19 C = 37.75 F Cap Strength: 17.89 C Lifted Index: 17.75 C Risk: None Lifted Index @300 mb: 20.07 C Lifted Index @700 mb: 16.26 C Showalter Index: 14.30 C Risk: None Total Totals Index: 32.00 C Risk: None Vertical Totals Index: 20.00 C Cross Totals Index: 12.00 C K Index: -19.30 Risk: None Sweat Index: 150.83 Risk: None Energy Index: 3.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.06 J/kg Max Up Vert Vel: 4.48 m/s Conv Inhibition (B-): 46052.76 J/kg Cap Strength: 17.90 C Lift Cond Lev (LCL): 921.08 mb = 859.53 m = 2819.94 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 261 at 20 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 ---------------------------------------------------------- 0 995 246 160 7 -2.4 6.6 | 99 23 -22.6 3.4 1 925 826 200 27 9.2 25.4 | 154 25 -11.0 22.2 2 850 1494 215 19 10.9 15.6 | 143 16 -9.3 12.4 3 700 3036 235 27 22.1 15.5 | 189 12 1.9 12.3 4 500 5590 240 35 30.3 17.5 | 215 18 10.1 14.3 5 400 7190 260 36 35.5 6.3 | 259 16 15.3 3.1 6 300 9120 255 29 28.0 7.5 | 241 9 7.8 4.3 7 250 10270 230 23 17.6 14.8 | 167 12 -2.6 11.6 8 200 11630 265 19 18.9 1.7 | 40 2 -1.3 -1.5 9 193 11843 250 19 17.9 6.5 | 145 4 -2.3 3.3 10 150 13360 255 21 20.3 5.4 | 182 2 0.1 2.3 11 100 15790 285 35 33.8 -9.1 | 312 18 13.6 -12.2 12 70 17920 310 38 29.1 -24.4 | 342 29 8.9 -27.6 13 50 19910 275 38 37.9 -3.3 | 290 19 17.7 -6.5 14 30 22910 270 58 58.0 -0.0 | 275 38 37.8 -3.2 15 20 25280 270 66 66.0 -0.0 | 274 46 45.8 -3.2 Wind Parameters Mean winds (0-6000m): 231.1 at 27.3 knts Storm direction: 261.1 at 20.4 knts Shear (0-3000m) pos: 4.6 neg: 0.0 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 93.0 deg Storm rel helicity (0-3000m) pos: 189.2 neg: -15.3 tot: 173.9 m^2/s^2 ave: 58.0 10^-3 m/s^2 rel: 0.70 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 5.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.22 Bulk Shear: 45.05 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 ------------------------------------------------------------------------------- 500 191 16 125 21| 19.4 0.0 19.4|125.3 0.0 125.3 250.7 0.99| 20.4 20.2 1000 198 20 139 21| 9.4 0.0 9.4|149.0 -8.3 140.7 140.7 0.74| 15.2 11.2 1500 203 20 141 20| 6.1 0.0 6.1|154.1 -15.3 138.8 92.5 0.62| 11.8 7.4 2000 208 20 145 18| 5.4 0.0 5.4|166.8 -15.3 151.6 75.8 0.65| 9.8 6.4 2500 213 21 150 17| 5.0 0.0 5.0|179.6 -15.3 164.4 65.7 0.68| 8.6 5.9 3000 218 22 155 16| 4.6 0.0 4.6|189.2 -15.3 173.9 58.0 0.70| 7.7 5.4 4000 223 24 165 15| 3.9 0.0 3.9|199.1 -15.3 183.8 46.0 0.71| 6.2 4.4 5000 228 26 175 14| 3.4 0.0 3.4|209.6 -15.3 194.3 38.9 0.71| 5.3 3.8 6000 231 27 184 14| 3.1 0.0 3.1|234.9 -15.3 219.6 36.6 0.74| 4.9 3.6 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251207.12.gif