UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042900.upa.cvt Date: 0000Z 29 APR 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 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 180 270 1 SFC 992 246 5.0 -4.0 52 9.0 1.4 270 1 278.8 279.3 275.0 286.8 2.86 2 952 584 8.6 -3.4 43 12.0 3.5 267 12 285.7 286.3 279.0 294.7 3.12 3 925 821 6.4 -6.6 39 13.0 1.3 265 19 285.9 286.3 278.2 293.2 2.52 4 850 1507 -0.5 -9.5 51 9.0 -3.7 265 23 285.6 286.0 277.7 292.0 2.18 5 831 1687 -2.1 -10.1 54 8.0 -4.8 267 23 285.8 286.2 277.7 292.0 2.13 6 824 1754 -2.3 -10.3 54 8.0 -5.0 267 24 286.3 286.6 277.9 292.5 2.12 7 723 2782 -7.7 -24.7 24 17.0 -11.5 278 26 291.3 291.4 278.4 293.5 0.71 8 714 2879 -8.3 -24.3 26 16.0 -11.9 278 27 291.6 291.8 278.6 294.0 0.75 9 710 2923 -7.1 -18.1 41 11.0 -10.1 279 27 293.4 293.7 280.2 297.4 1.29 10 700 3033 -7.7 -12.7 67 5.0 -9.3 280 27 294.0 294.3 281.4 300.2 2.05 11 690 3145 -8.1 -11.8 75 3.7 -9.3 281 28 294.7 295.1 282.0 301.5 2.24 12 553 4833 -17.5 -19.9 82 2.4 -18.1 305 38 302.8 303.1 284.4 307.4 1.42 13 545 4942 -18.3 -20.8 81 2.5 -18.9 306 38 303.2 303.4 284.4 307.5 1.34 14 500 5580 -22.7 -25.2 80 2.5 -23.2 315 42 305.4 305.5 284.8 308.6 0.99 15 430 6671 -30.7 -33.8 74 3.1 -31.1 318 45 308.6 308.7 285.5 310.4 0.51 16 400 7180 -35.3 -38.6 72 3.3 -35.6 320 46 309.1 309.2 285.4 310.3 0.34 17 300 9110 -51.9 -55.2 68 3.3 -52.0 325 66 312.2 312.2 286.2 312.5 0.07 18 291 9308 -53.7 -57.0 67 3.4 -53.8 330 68 312.4 312.4 286.2 312.6 0.06 19 250 10270 -62.5 -66.1 62 3.6 -62.6 325 62 313.1 313.2 286.5 313.2 0.02 20 246 10369 -62.9 -66.6 61 3.7 -62.9 325 58 314.0 314.0 286.8 314.1 0.02 21 220 11056 -62.5 -66.2 61 3.7 -62.6 325 46 324.8 324.8 290.2 324.9 0.02 22 200 11650 -57.5 -61.4 61 3.9 -57.6 325 36 341.7 341.7 294.8 341.9 0.05 23 194 11843 -56.3 -60.0 63 3.7 -56.4 323 35 346.6 346.6 296.0 346.9 0.06 24 150 13480 -54.7 -59.4 56 4.7 -54.9 310 23 375.8 375.8 301.6 376.2 0.08 25 100 16070 -53.7 -60.7 42 7.0 -54.1 295 17 424.0 424.0 308.2 424.5 0.11 26 70 18360 -54.1 -64.1 28 10.0 -54.7 270 13 468.6 468.7 312.5 469.2 0.10 27 58 19560 -55.9 -66.9 24 11.0 -56.5 250 14 490.5 490.5 314.3 491.0 0.08 28 52 20258 -53.1 -65.1 22 12.0 -54.1 239 15 512.6 512.6 315.9 513.3 0.12 29 50 20510 -53.9 -64.9 25 11.0 -54.8 235 15 516.5 516.5 316.1 517.3 0.12 30 45 21186 -55.5 -67.5 21 12.0 -56.3 232 15 528.4 528.4 316.9 529.0 0.10 31 30 23790 -52.9 -67.9 15 15.0 -54.6 220 15 600.4 600.5 320.7 601.5 0.14 32 27 24468 -51.9 -67.9 13 16.0 -53.9 217 15 621.6 621.7 321.6 622.8 0.15 33 20 26400 -53.3 -69.3 13 16.0 -55.6 210 15 673.0 673.1 323.6 674.4 0.17 34 17 27444 -54.3 -70.3 12 16.0 -56.6 701.8 701.9 324.6 703.3 0.17 35 12 29716 -46.7 -65.7 10 19.0 -52.2 802.3 802.5 327.4 806.9 0.46 TRP 246 10369 -62.9 -66.6 61 3.7 -62.9 325 58 314.0 314.0 286.8 314.1 0.02 WND 291 9308 -53.7 -57.0 67 3.4 -53.8 330 68 312.4 312.4 286.2 312.6 0.06 Sounding variables and indices 1000-500 mb thick: 5400.00 m Freezing level: 855.43 mb = 1457.29 m = 4781.08 ft Wetbulb zero: 905.95 mb = 989.84 m = 3247.46 ft Precipitable water: 0.42 inches Sfc-500 mean rel hum: 60.35 % Est. max temperature: 11.89 C = 53.40 F Sfc-Lift cond lev (LCL): 863.12 mb = 1382.75 m = 4536.52 ft T: 0.75 C 700-500 lapse rate: 5.89 C/km ThetaE index: 2.71 C Layer 925.0- 831.0 mb Conv cond level (CCL): 664.31 mb = 3434.22 m = 11266.99 ft Mean mixing ratio: 2.76 g/kg Conv temperature: 22.30 C = 72.15 F Cap Strength: 10.77 C Lifted Index: 11.76 C Risk: None Lifted Index @300 mb: 14.12 C Lifted Index @700 mb: 6.34 C Showalter Index: 12.03 C Risk: None Total Totals Index: 35.40 C Risk: None Vertical Totals Index: 22.20 C Cross Totals Index: 13.20 C K Index: 7.70 Risk: None Sweat Index: 88.00 Risk: None Energy Index: 3.46 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.73 J/kg Max Up Vert Vel: 7.17 m/s Conv Inhibition (B-): 57948.02 J/kg Cap Strength: 11.62 C Lift Cond Lev (LCL): 786.95 mb = 2115.66 m = 6941.04 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 324 at 22 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 ---------------------------------------------------------- 0 992 246 270 1 1.0 -0.0 | 146 21 -12.0 17.8 1 925 821 265 19 18.9 1.7 | 197 20 5.9 19.4 2 850 1507 265 23 22.9 2.0 | 207 22 9.9 19.8 3 700 3033 280 27 26.6 -4.7 | 226 19 13.6 13.1 4 500 5580 315 42 29.7 -29.7 | 306 21 16.7 -11.9 5 400 7180 320 46 29.6 -35.2 | 317 24 16.6 -17.5 6 300 9110 325 66 37.9 -54.1 | 326 44 24.8 -36.3 7 291 9308 330 68 34.0 -58.9 | 333 46 21.0 -41.1 8 250 10270 325 62 35.6 -50.8 | 326 40 22.6 -33.0 9 246 10369 325 58 33.3 -47.5 | 326 36 20.3 -29.8 10 200 11650 325 36 20.6 -29.5 | 327 14 7.6 -11.7 11 150 13480 310 23 17.6 -14.8 | 237 5 4.6 3.0 12 100 16070 295 17 15.4 -7.2 | 193 11 2.4 10.6 13 70 18360 270 13 13.0 -0.0 | 180 18 -0.0 17.8 14 50 20510 235 15 12.3 8.6 | 178 26 -0.7 26.4 15 30 23790 220 15 9.6 11.5 | 173 29 -3.4 29.2 16 20 26400 210 15 7.5 13.0 | 170 31 -5.5 30.7 Wind Parameters Mean winds (0-6000m): 293.8 at 29.4 knts Storm direction: 323.8 at 22.0 knts Shear (0-3000m) pos: 1.8 neg: 3.5 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 85.9 deg Storm rel helicity (0-3000m) pos: 153.7 neg: 0.0 tot: 153.7 m^2/s^2 ave: 51.2 10^-3 m/s^2 rel: 0.94 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 5.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.40 Bulk Shear: 64.28 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 ------------------------------------------------------------------------------- 500 265 9 167 19| 0.0 16.1 16.1| 75.7 0.0 75.7 151.4 0.95| 16.1 15.4 1000 265 14 184 19| 0.0 10.5 10.5| 99.4 0.0 99.4 99.4 0.94| 10.6 10.0 1500 265 17 192 20| 0.8 7.0 7.8|113.0 0.0 113.0 75.3 0.94| 7.9 7.5 2000 267 19 197 20| 1.2 5.3 6.4|125.4 0.0 125.4 62.7 0.94| 6.6 6.2 2500 269 20 202 20| 1.4 4.2 5.6|137.6 0.0 137.6 55.1 0.93| 5.8 5.4 3000 271 21 206 19| 1.8 3.5 5.3|153.7 0.0 153.7 51.2 0.94| 5.4 5.1 4000 278 24 216 18| 2.5 2.6 5.1|198.7 0.0 198.7 49.7 0.95| 5.3 5.0 5000 286 27 230 16| 3.0 2.1 5.1|249.4 0.0 249.4 49.9 0.96| 5.3 5.1 6000 294 29 247 15| 3.0 1.8 4.7|278.5 0.0 278.5 46.4 0.95| 5.0 4.7 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250429.00.gif