UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 29 APR 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 101 SFC 983 246 14.0 2.0 44 12.0 8.0 270 13 288.6 289.4 282.0 301.4 4.49 2 925 752 7.2 -2.8 49 10.0 2.8 255 23 286.7 287.3 279.7 296.3 3.36 3 855 1392 0.8 -4.0 70 4.8 -1.2 278 30 286.5 287.1 279.6 296.1 3.32 4 850 1439 0.6 -4.0 71 4.6 -1.3 280 31 286.8 287.4 279.7 296.4 3.34 5 821 1717 -1.1 -5.1 74 4.0 -2.7 279 33 287.8 288.4 280.0 297.1 3.18 6 818 1746 -1.1 -5.4 73 4.3 -2.8 279 33 288.1 288.7 280.1 297.2 3.12 7 806 1865 0.8 -9.2 47 10.0 -2.9 279 33 291.4 291.8 280.6 298.4 2.36 8 801 1915 0.4 -10.6 43 11.0 -3.6 278 34 291.5 291.8 280.4 297.8 2.13 9 704 2936 -7.7 -15.7 53 8.0 -10.1 275 40 293.5 293.8 280.6 298.4 1.60 10 702 2958 -8.1 -16.1 53 8.0 -10.4 275 40 293.3 293.6 280.4 298.0 1.55 11 700 2980 -8.3 -16.3 52 8.0 -10.6 275 40 293.3 293.6 280.4 298.0 1.53 12 626 3837 -12.3 -36.3 12 24.0 -16.1 277 45 298.2 298.3 281.0 299.2 0.27 13 541 4938 -17.5 -39.5 13 22.0 -20.5 279 51 304.8 304.8 283.6 305.6 0.23 14 500 5520 -22.7 -34.7 33 12.0 -24.4 280 54 305.4 305.4 284.1 306.7 0.40 15 437 6496 -30.7 -37.7 50 7.0 -31.4 280 61 307.2 307.3 284.7 308.4 0.34 16 400 7120 -35.5 -44.5 39 9.0 -36.1 280 66 308.9 308.9 285.1 309.5 0.18 17 395 7207 -36.1 -45.1 39 9.0 -36.7 280 67 309.2 309.2 285.2 309.8 0.17 18 320 8631 -48.7 -57.7 34 9.0 -48.9 272 76 310.9 310.9 285.7 311.1 0.05 19 302 9007 -53.9 -62.9 32 9.0 -54.1 270 79 308.8 308.8 284.9 308.9 0.03 20 300 9050 -54.5 -63.5 32 9.0 -54.6 275 79 308.5 308.5 284.8 308.6 0.02 21 295 9157 -57.3 -66.3 31 9.0 -57.4 277 75 306.0 306.0 283.8 306.1 0.02 22 287 9330 -58.7 -67.7 30 9.0 -58.8 280 69 306.5 306.5 284.0 306.5 0.01 23 250 10200 -56.9 -65.9 31 9.0 -57.0 280 68 321.5 321.5 289.2 321.6 0.02 24 200 11630 -53.5 -64.5 25 11.0 -53.8 290 40 348.0 348.1 296.3 348.2 0.03 25 186 12097 -52.5 -64.5 22 12.0 -52.8 290 37 357.0 357.0 298.1 357.1 0.04 26 150 13480 -53.9 -68.9 14 15.0 -54.2 290 27 377.2 377.2 301.8 377.3 0.02 27 100 16080 -54.7 -73.7 8 19.0 -55.2 290 17 422.0 422.0 308.0 422.1 0.02 28 70 18360 -54.1 -75.1 6 21.0 -54.9 265 15 468.6 468.7 312.5 468.8 0.02 29 50 20510 -54.9 -77.9 4 23.0 -55.9 230 13 514.1 514.1 315.9 514.2 0.02 30 47 20907 -55.3 -78.3 4 23.0 -56.3 228 14 522.3 522.3 316.5 522.4 0.02 31 30 23800 -52.5 -75.5 5 23.0 -54.5 215 19 601.5 601.5 320.7 601.8 0.05 32 27 24480 -51.3 -74.3 5 23.0 -53.7 211 18 623.3 623.3 321.6 623.8 0.06 33 20 26420 -52.1 -75.1 5 23.0 -54.9 200 17 676.7 676.7 323.7 677.3 0.07 34 18 27099 -53.9 -76.9 4 23.0 -56.5 691.7 691.7 324.2 692.2 0.06 35 13 29214 -48.7 -72.7 5 24.0 -53.6 777.2 777.3 326.7 778.7 0.16 TRP 287 9330 -58.7 -67.7 30 9.0 -58.8 280 69 306.5 306.5 284.0 306.5 0.01 WND 302 9007 -53.9 -62.9 32 9.0 -54.1 270 79 308.8 308.8 284.9 308.9 0.03 Sounding variables and indices 1000-500 mb thick: 5419.00 m Freezing level: 839.76 mb = 1537.14 m = 5043.06 ft Freezing level: 811.05 mb = 1814.87 m = 5954.21 ft Freezing level: 796.21 mb = 1965.14 m = 6447.24 ft Wetbulb zero: 875.24 mb = 1201.62 m = 3942.29 ft Precipitable water: 0.39 inches Sfc-500 mean rel hum: 37.79 % Est. max temperature: 12.84 C = 55.11 F Sfc-Lift cond lev (LCL): 819.84 mb = 1728.39 m = 5670.50 ft T: -1.10 C 700-500 lapse rate: 5.67 C/km ThetaE index: 5.38 C Layer 925.0- 850.0 mb Conv cond level (CCL): 739.62 mb = 2545.32 m = 8350.68 ft Mean mixing ratio: 3.68 g/kg Conv temperature: 18.16 C = 64.68 F Cap Strength: 8.20 C Lifted Index: 7.87 C Risk: None Lifted Index @300 mb: 7.71 C Lifted Index @700 mb: 2.46 C Showalter Index: 8.80 C Risk: None Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 18.70 C K Index: 11.30 Risk: None Sweat Index: 116.00 Risk: None Energy Index: 2.17 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.05 J/kg Max Up Vert Vel: 5.30 m/s Conv Inhibition (B-): 49925.50 J/kg Cap Strength: 8.17 C Lift Cond Lev (LCL): 801.81 mb = 1906.65 m = 6255.35 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 307 at 31 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 ---------------------------------------------------------- 0 983 246 270 13 13.0 -0.0 | 148 22 -11.5 18.4 1 925 752 255 23 22.2 6.0 | 175 24 -2.3 24.3 2 850 1439 280 31 30.5 -5.4 | 205 14 6.0 13.0 3 700 2980 275 40 39.8 -3.5 | 226 21 15.4 14.9 4 500 5520 280 54 53.2 -9.4 | 253 30 28.7 9.0 5 400 7120 280 66 65.0 -11.5 | 260 41 40.5 6.9 6 302 9007 270 79 79.0 -0.0 | 251 58 54.5 18.4 7 300 9050 275 79 78.7 -6.9 | 258 55 54.2 11.5 8 287 9330 280 69 68.0 -12.0 | 262 44 43.5 6.4 9 250 10200 280 68 67.0 -11.8 | 261 43 42.5 6.6 10 200 11630 290 40 37.6 -13.7 | 250 14 13.1 4.7 11 150 13480 290 27 25.4 -9.2 | 186 9 0.9 9.1 12 100 16080 290 17 16.0 -5.8 | 146 15 -8.5 12.6 13 70 18360 265 15 14.9 1.3 | 154 22 -9.5 19.7 14 50 20510 230 13 10.0 8.4 | 151 30 -14.5 26.7 15 30 23800 215 19 10.9 15.6 | 158 37 -13.6 33.9 16 20 26420 200 17 5.8 16.0 | 151 39 -18.7 34.4 Wind Parameters Mean winds (0-6000m): 276.9 at 40.8 knts Storm direction: 306.9 at 30.6 knts Shear (0-3000m) pos: 2.6 neg: 3.3 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 81.4 deg Storm rel helicity (0-3000m) pos: 148.1 neg: 0.0 tot: 148.1 m^2/s^2 ave: 49.4 10^-3 m/s^2 rel: 0.77 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 4.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.18 Bulk Shear: 77.18 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 ------------------------------------------------------------------------------- 500 260 18 162 22| 0.0 11.1 11.1| 59.7 0.0 59.7 119.5 0.93| 11.2 10.5 1000 263 22 173 21| 5.1 5.6 10.6| 99.5 0.0 99.5 99.5 0.83| 10.7 8.9 1500 270 25 181 18| 5.2 3.7 8.9|118.0 0.0 118.0 78.7 0.81| 9.3 7.5 2000 272 27 189 17| 3.9 3.5 7.4|127.5 0.0 127.5 63.8 0.80| 7.7 6.2 2500 274 29 196 17| 3.1 3.4 6.5|136.4 0.0 136.4 54.6 0.78| 6.8 5.3 3000 274 31 202 18| 2.6 3.3 5.9|148.1 0.0 148.1 49.4 0.77| 6.2 4.8 4000 275 34 212 18| 2.6 2.5 5.1|177.8 0.0 177.8 44.5 0.78| 5.4 4.2 5000 276 38 222 19| 2.7 2.0 4.7|209.4 0.0 209.4 41.9 0.78| 4.9 3.8 6000 277 41 230 21| 2.5 1.9 4.4|238.4 0.0 238.4 39.7 0.74| 4.7 3.5 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250429.12.gif