UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for LK747... Searching the city database file for: LK747 ... Date:1200Z 17 APR 25 Station: LK747 WMO ident: 11747 Latitude: 49.45 Longitude: 17.13 ------------------------------------------------------------------------------- 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 91 SFC 986 215 25.2 8.2 34 17.0 15.0 140 17 299.6 300.8 288.8 320.0 6.93 2 984 232 23.8 6.8 34 17.0 13.9 141 17 298.3 299.5 287.7 316.9 6.30 3 925 767 18.4 5.4 42 13.0 11.1 165 29 298.1 299.2 287.5 316.1 6.08 4 868 1307 13.2 4.2 54 9.0 8.3 176 34 298.2 299.3 287.3 315.8 5.96 5 853 1453 13.6 0.6 41 13.0 6.9 179 36 300.1 300.9 286.8 314.1 4.68 6 850 1483 13.4 0.4 41 13.0 6.7 180 36 300.2 301.0 286.8 314.1 4.63 7 811 1876 10.4 -1.6 43 12.0 4.5 184 37 301.1 301.8 286.6 313.7 4.19 8 700 3082 2.0 -3.0 69 5.0 -0.4 195 42 304.7 305.5 288.1 318.1 4.38 9 666 3481 -1.5 -4.0 83 2.5 -2.6 194 40 305.1 305.9 288.2 318.3 4.27 10 665 3493 -1.7 -4.2 83 2.5 -2.9 193 40 305.0 305.8 288.1 318.0 4.21 11 565 4774 -7.9 -17.9 44 10.0 -11.1 189 32 312.3 312.6 288.0 317.8 1.65 12 500 5710 -15.3 -21.3 60 6.0 -16.9 185 27 314.4 314.7 288.4 319.1 1.40 13 442 6627 -23.3 -26.2 77 2.9 -23.9 185 28 315.6 315.8 288.4 319.0 1.02 14 428 6862 -25.1 -29.9 64 4.8 -25.9 185 28 316.2 316.3 288.3 318.8 0.75 15 418 7033 -26.7 -28.3 86 1.6 -27.0 185 29 316.3 316.5 288.5 319.3 0.89 16 415 7085 -27.1 -28.2 90 1.1 -27.3 185 29 316.4 316.6 288.6 319.5 0.90 17 406 7243 -27.7 -34.7 51 7.0 -28.7 185 29 317.6 317.7 288.5 319.4 0.50 18 400 7350 -28.7 -34.7 56 6.0 -29.5 185 29 317.7 317.8 288.6 319.5 0.50 19 389 7549 -30.5 -35.5 62 5.0 -31.2 187 32 317.9 318.0 288.6 319.6 0.48 20 370 7903 -32.5 -42.5 36 10.0 -33.4 192 36 319.8 319.8 288.9 320.7 0.24 21 308 9164 -43.7 -46.5 74 2.8 -43.9 208 54 321.3 321.4 289.4 322.1 0.19 22 300 9340 -44.9 -49.2 62 4.3 -45.1 210 56 322.1 322.1 289.6 322.6 0.14 23 291 9543 -46.7 -53.2 47 6.5 -46.9 215 60 322.4 322.4 289.6 322.7 0.09 24 285 9681 -47.9 -55.9 39 8.0 -48.1 214 59 322.5 322.6 289.6 322.8 0.07 25 272 9987 -50.7 -54.7 62 4.0 -50.8 213 56 322.8 322.8 289.7 323.1 0.08 26 262 10229 -53.1 -58.1 54 5.0 -53.2 212 54 322.8 322.8 289.7 323.0 0.06 27 256 10378 -53.9 -59.9 48 6.0 -54.0 211 53 323.7 323.7 289.9 323.9 0.05 28 250 10530 -55.3 -61.3 47 6.0 -55.4 210 52 323.9 323.9 290.0 324.0 0.04 29 209 11651 -63.5 -66.9 63 3.4 -63.6 210 42 328.0 328.0 291.2 328.1 0.02 30 200 11920 -65.7 -70.7 50 5.0 -65.7 210 40 328.7 328.7 291.3 328.8 0.01 31 192 12168 -67.9 -72.9 49 5.0 -67.9 195 48 329.0 329.0 291.5 329.1 0.01 32 188 12297 -59.9 -76.9 9 17.0 -60.0 195 46 343.9 343.9 295.3 344.0 0.01 33 184 12434 -52.7 -82.7 1 30.0 -53.1 195 44 357.7 357.7 298.2 357.8 0.00 34 163 13214 -55.1 -84.1 2 29.0 -55.4 195 34 366.3 366.3 299.9 366.3 0.00 35 151 13707 -52.3 -84.3 1 32.0 -52.8 195 28 379.2 379.2 302.1 379.2 0.00 36 150 13750 -52.3 -84.3 1 32.0 -52.8 195 27 380.0 380.0 302.2 380.0 0.00 37 100 16340 -56.9 -86.9 1 30.0 -57.3 205 21 417.8 417.8 307.4 417.8 0.00 38 93 16799 -58.5 -87.5 1 29.0 -58.9 204 18 423.4 423.4 308.1 423.4 0.00 39 76 18077 -56.1 -87.1 1 31.0 -56.7 201 10 453.6 453.6 311.2 453.6 0.00 40 70 18600 -56.5 -87.5 1 31.0 -57.1 200 7 463.5 463.5 312.1 463.5 0.00 41 55 20122 -59.5 -89.5 1 30.0 -60.0 150 17 489.7 489.7 314.2 489.7 0.00 42 50 20720 -58.9 -88.9 1 30.0 -59.6 130 21 504.7 504.7 315.3 504.7 0.00 43 30 23950 -55.5 -88.5 1 33.0 -57.0 125 17 593.3 593.3 320.3 593.4 0.01 44 22 25931 -53.7 -88.7 1 35.0 -56.1 98 23 653.7 653.7 322.8 653.8 0.01 45 20 26540 -55.3 -88.3 1 33.0 -57.5 90 25 666.9 666.9 323.3 667.0 0.01 46 19 26868 -55.3 -88.3 1 33.0 -57.5 93 25 676.8 676.8 323.7 676.8 0.01 47 10 31020 -49.5 -86.5 1 37.0 -55.2 135 23 834.8 834.8 328.1 835.0 0.02 48 8.3 32247 -47.3 -86.3 0 39.0 -54.6 889.1 889.1 329.2 889.4 0.03 49 7.0 33371 -48.5 -86.5 0 38.0 -56.0 928.6 928.6 329.9 928.9 0.03 50 6.7 33660 -47.1 -86.1 0 39.0 -55.5 946.1 946.1 330.3 946.5 0.04 51 6.0 34405 -38.3 -80.3 0 42.0 -52.1 1014.5 1014.5 331.4 1015.7 0.11 TRP 192 12168 -67.9 -72.9 49 5.0 -67.9 195 48 329.0 329.0 291.5 329.1 0.01 WND 291 9543 -46.7 -53.2 47 6.5 -46.9 215 60 322.4 322.4 289.6 322.7 0.09 Sounding variables and indices 1000-500 mb thick: 5619.00 m Freezing level: 680.57 mb = 3309.85 m = 10858.97 ft Wetbulb zero: 708.86 mb = 2978.96 m = 9773.38 ft Precipitable water: 0.85 inches Sfc-500 mean rel hum: 55.10 % Est. max temperature: 26.14 C = 79.05 F Sfc-Lift cond lev (LCL): 767.48 mb = 2327.84 m = 7637.18 ft T: 7.25 C 700-500 lapse rate: 6.58 C/km ThetaE index: 6.30 C Layer 984.0- 700.0 mb Conv cond level (CCL): 694.69 mb = 3143.01 m = 10311.58 ft Mean mixing ratio: 6.14 g/kg Conv temperature: 30.39 C = 86.71 F Cap Strength: 4.09 C Lifted Index: 3.20 C Risk: None Lifted Index @300 mb: 4.47 C Lifted Index @700 mb: 3.15 C Showalter Index: 4.48 C Risk: None Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.70 C Cross Totals Index: 15.70 C K Index: 24.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 103.80 Risk: None Energy Index: 1.03 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.97 J/kg Max Up Vert Vel: 1.39 m/s Conv Inhibition (B-): 56944.56 J/kg Cap Strength: 4.09 C Lift Cond Lev (LCL): 762.06 mb = 2385.88 m = 7827.60 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 216 at 25 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 ---------------------------------------------------------- 0 986 215 140 17 -10.9 13.0 | 74 27 -25.8 -7.5 1 925 767 165 29 -7.5 28.0 | 108 24 -22.4 7.4 2 850 1483 180 36 0.0 36.0 | 136 21 -14.9 15.4 3 700 3082 195 42 10.9 40.6 | 169 20 -4.0 20.0 4 500 5710 185 27 2.4 26.9 | 117 14 -12.5 6.3 5 400 7350 185 29 2.5 28.9 | 124 15 -12.3 8.3 6 300 9340 210 56 28.0 48.5 | 205 31 13.1 27.9 7 291 9543 215 60 34.4 49.1 | 214 35 19.5 28.6 8 250 10530 210 52 26.0 45.0 | 204 27 11.1 24.5 9 200 11920 210 40 20.0 34.6 | 200 15 5.1 14.1 10 192 12168 195 48 12.4 46.4 | 175 26 -2.5 25.8 11 150 13750 195 27 7.0 26.1 | 125 10 -7.9 5.5 12 100 16340 205 21 8.9 19.0 | 76 6 -6.0 -1.5 13 70 18600 200 7 2.4 6.6 | 42 19 -12.5 -14.0 14 50 20720 130 21 -16.1 13.5 | 77 32 -31.0 -7.1 15 30 23950 125 17 -13.9 9.8 | 69 31 -28.8 -10.8 16 20 26540 90 25 -25.0 0.0 | 63 45 -39.9 -20.6 17 10 31020 135 23 -16.3 16.3 | 82 31 -31.1 -4.3 Wind Parameters Mean winds (0-6000m): 185.9 at 33.8 knts Storm direction: 215.9 at 25.4 knts Shear (0-3000m) pos: 5.9 neg: 0.0 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 93.1 deg Storm rel helicity (0-3000m) pos: 230.1 neg: -2.7 tot: 227.4 m^2/s^2 ave: 75.8 10^-3 m/s^2 rel: 0.95 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 6.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.02 Bulk Shear: 46.31 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 ------------------------------------------------------------------------------- 500 155 22 89 24| 14.2 0.0 14.2| 92.6 0.0 92.6 185.2 0.98| 14.5 14.1 1000 163 27 102 23| 11.1 0.0 11.1|142.2 0.0 142.2 142.2 0.98| 11.5 11.3 1500 170 30 113 22| 9.2 0.0 9.2|175.6 0.0 175.6 117.1 0.98| 9.7 9.5 2000 174 32 121 21| 7.7 0.0 7.7|195.4 0.0 195.4 97.7 0.98| 8.2 8.1 2500 178 33 129 20| 6.8 0.0 6.8|215.7 0.0 215.7 86.3 0.98| 7.3 7.2 3000 181 35 135 20| 5.9 0.0 5.9|230.1 -2.7 227.4 75.8 0.95| 6.7 6.4 4000 185 36 141 19| 4.4 0.8 5.2|230.1 -28.1 202.0 50.5 0.71| 5.8 4.1 5000 186 35 141 18| 3.5 1.3 4.8|230.1 -51.3 178.8 35.8 0.51| 5.3 2.7 6000 186 34 139 17| 2.9 1.3 4.2|232.2 -62.4 169.8 28.3 0.43| 4.7 2.0 Wrote GIF file: /home/apache/climate/data/raob//LK747/skewt/LK747.skewt.20250417.12.gif