UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041523.upa.cvt Date: 2300Z 15 APR 25 Searching for LK520... Searching the city database file for: LK520 ... Date:2300Z 15 APR 25 Station: LK520 WMO ident: 11520 Latitude: 50.00 Longitude: 14.45 ------------------------------------------------------------------------------- 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 51 SFC 971 299 12.4 11.3 93 1.1 11.7 350 1 288.0 289.5 286.1 312.3 8.69 2 933 638 15.6 10.6 72 5.0 12.6 268 14 294.5 296.1 288.5 319.4 8.63 3 925 711 15.2 10.2 72 5.0 12.2 250 17 294.9 296.4 288.5 319.3 8.47 4 898 962 15.2 6.2 55 9.0 10.1 245 16 297.4 298.6 287.7 316.8 6.63 5 850 1425 11.8 3.8 58 8.0 7.5 235 15 298.5 299.6 287.4 316.0 5.92 6 762 2327 4.2 0.7 78 3.5 2.4 252 15 299.8 300.7 287.3 315.5 5.29 7 739 2576 2.8 -4.2 60 7.0 -0.4 257 15 300.9 301.6 286.2 312.4 3.79 8 700 3013 -0.7 -5.7 69 5.0 -2.9 265 15 301.7 302.4 286.2 312.6 3.57 9 680 3244 -2.1 -6.0 75 3.9 -3.8 264 16 302.7 303.3 286.6 313.7 3.59 10 677 3279 -1.7 -6.7 69 5.0 -3.8 264 16 303.5 304.1 286.8 314.0 3.42 11 652 3577 -3.1 -12.1 50 9.0 -6.4 263 17 305.2 305.6 286.2 312.5 2.32 12 603 4189 -7.9 -13.9 62 6.0 -9.9 261 19 306.5 306.9 286.5 313.4 2.16 13 582 4464 -9.5 -19.5 44 10.0 -12.4 260 20 307.8 308.1 286.2 312.4 1.40 14 576 4544 -9.7 -35.7 10 26.0 -14.5 259 21 308.5 308.5 285.2 309.6 0.32 15 555 4830 -11.3 -41.3 6 30.0 -16.0 258 22 309.9 309.9 285.5 310.5 0.18 16 553 4857 -11.5 -39.5 8 28.0 -16.1 258 22 310.0 310.0 285.6 310.8 0.22 17 500 5620 -17.7 -42.7 9 25.0 -21.0 255 25 311.5 311.5 286.1 312.1 0.18 18 461 6223 -23.1 -45.1 11 22.0 -25.5 250 24 312.0 312.1 286.2 312.6 0.15 19 424 6832 -27.1 -51.1 8 24.0 -29.0 244 22 314.5 314.5 287.0 314.8 0.08 20 408 7109 -29.5 -53.5 8 24.0 -31.2 241 21 314.9 314.9 287.1 315.1 0.06 21 400 7250 -30.7 -53.7 9 23.0 -32.2 240 21 315.1 315.1 287.2 315.3 0.06 22 360 7987 -37.1 -53.1 17 16.0 -37.9 216 23 316.2 316.2 287.6 316.4 0.08 23 346 8259 -39.1 -44.0 60 4.9 -39.5 207 24 317.1 317.1 288.1 317.9 0.22 24 334 8500 -40.7 -55.7 18 15.0 -41.3 199 25 318.1 318.1 288.2 318.3 0.06 25 323 8727 -42.7 -51.7 37 9.0 -43.1 192 25 318.4 318.4 288.3 318.8 0.10 26 321 8769 -43.1 -47.4 63 4.3 -43.3 190 26 318.4 318.4 288.4 319.0 0.17 27 317 8853 -43.7 -48.7 58 5.0 -44.0 187 26 318.7 318.7 288.5 319.2 0.14 28 300 9220 -46.9 -50.7 65 3.8 -47.1 175 27 319.3 319.3 288.6 319.7 0.12 29 280 9672 -51.1 -53.3 77 2.2 -51.2 183 28 319.6 319.6 288.7 319.9 0.10 30 274 9812 -52.3 -56.8 58 4.5 -52.4 185 28 319.8 319.8 288.8 320.1 0.06 31 263 10076 -54.5 -56.3 80 1.8 -54.5 189 28 320.4 320.4 288.9 320.6 0.07 32 262 10100 -54.7 -58.2 65 3.5 -54.8 190 28 320.4 320.4 288.9 320.6 0.06 33 259 10174 -53.7 -68.7 14 15.0 -53.9 191 29 322.9 323.0 289.7 323.0 0.01 34 250 10400 -55.1 -66.1 24 11.0 -55.3 195 29 324.1 324.2 290.0 324.2 0.02 35 247 10477 -55.5 -67.5 21 12.0 -55.6 195 27 324.7 324.7 290.2 324.7 0.02 36 208 11576 -55.5 -73.5 9 18.0 -55.7 203 39 341.0 341.0 294.6 341.1 0.01 37 201 11797 -51.1 -78.1 3 27.0 -51.5 205 42 351.3 351.3 296.9 351.4 0.00 38 200 11830 -51.5 -78.5 3 27.0 -51.9 205 42 351.2 351.2 296.9 351.2 0.00 39 171 12846 -52.9 -81.9 2 29.0 -53.3 208 40 365.0 365.0 299.7 365.0 0.00 40 158 13361 -50.5 -81.5 1 31.0 -51.1 209 39 377.4 377.4 301.8 377.4 0.00 41 150 13700 -50.7 -81.7 1 31.0 -51.3 210 38 382.7 382.7 302.7 382.7 0.00 42 113 15513 -58.9 -85.9 2 27.0 -59.2 224 22 399.7 399.7 305.2 399.7 0.00 43 103 16094 -59.5 -86.5 2 27.0 -59.8 229 17 409.3 409.3 306.4 409.3 0.00 44 100 16280 -56.9 -85.9 1 29.0 -57.3 230 15 417.8 417.8 307.4 417.8 0.00 45 77 17922 -60.3 -86.3 2 26.0 -60.7 219 19 443.1 443.1 310.2 443.2 0.00 46 70 18520 -57.7 -85.7 2 28.0 -58.2 215 21 460.9 460.9 311.8 461.0 0.00 47 67 18798 -55.7 -85.7 1 30.0 -56.4 208 20 471.1 471.1 312.7 471.1 0.00 48 59 19605 -58.5 -86.5 2 28.0 -59.1 187 17 482.2 482.2 313.6 482.3 0.00 49 50 20650 -57.7 -86.7 1 29.0 -58.5 160 13 507.5 507.5 315.5 507.5 0.00 50 30 23890 -55.3 -86.3 1 31.0 -56.8 125 11 593.9 593.9 320.3 593.9 0.01 51 27 24565 -53.7 -84.7 1 31.0 -55.6 117 15 616.5 616.6 321.3 616.6 0.01 52 24 25318 -55.5 -86.5 1 31.0 -57.3 108 19 632.4 632.4 322.0 632.5 0.01 53 21 26175 -52.5 -84.5 1 32.0 -55.2 99 23 666.1 666.1 323.3 666.2 0.01 54 20 26490 -53.3 -85.3 1 32.0 -55.9 95 25 673.0 673.0 323.5 673.1 0.01 55 15 28338 -54.7 -85.7 1 31.0 -57.5 93 23 726.1 726.1 325.3 726.2 0.02 56 10 30970 -48.5 -83.5 1 35.0 -54.6 90 19 838.5 838.5 328.1 838.9 0.04 57 7.4 32969 -44.5 -81.5 1 37.0 -53.7 930.2 930.2 330.0 930.9 0.07 TRP 247 10477 -55.5 -67.5 21 12.0 -55.6 195 27 324.7 324.7 290.2 324.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5569.00 m Freezing level: 707.80 mb = 2925.69 m = 9598.61 ft Wetbulb zero: 741.98 mb = 2543.72 m = 8345.45 ft Precipitable water: 0.79 inches Sfc-500 mean rel hum: 51.63 % Est. max temperature: 23.28 C = 73.90 F Sfc-Lift cond lev (LCL): 955.21 mb = 438.24 m = 1437.77 ft T: 13.71 C 700-500 lapse rate: 6.52 C/km ThetaE index: 6.99 C Layer 925.0- 700.0 mb Conv cond level (CCL): 787.27 mb = 2058.11 m = 6752.26 ft Mean mixing ratio: 7.72 g/kg Conv temperature: 23.76 C = 74.77 F Cap Strength: 3.77 C Lifted Index: 0.39 C Risk: Showers probable Lifted Index @300 mb: 2.01 C Lifted Index @700 mb: 0.16 C Showalter Index: 0.97 C Risk: Thunderstorms probable Total Totals Index: 51.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.50 C Cross Totals Index: 21.50 C K Index: 28.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 208.35 Risk: None Energy Index: -0.74 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 43.19 J/kg Max Up Vert Vel: 9.29 m/s Conv Inhibition (B-): 230.82 J/kg Cap Strength: 3.77 C Lift Cond Lev (LCL): 843.26 mb = 1490.72 m = 4890.77 ft Lev Free Conv (LFC): 478.26 mb = 5949.95 m = 19520.58 ft Equ Level (EL): 438.26 mb = 6591.22 m = 21624.48 ft B at Equ Level: 42.19 J/kg Max Parcel Lev (MPL): 338.26 mb = 8413.66 m = 27603.52 ft Wind level data Storm motion: 284 at 14 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 ---------------------------------------------------------- 0 971 299 350 1 0.2 -1.0 | 100 13 -12.9 2.3 1 925 711 250 17 16.0 5.8 | 197 10 2.9 9.1 2 850 1425 235 15 12.3 8.6 | 176 12 -0.8 11.9 3 700 3013 265 15 14.9 1.3 | 202 5 1.8 4.6 4 500 5620 255 25 24.1 6.5 | 228 15 11.0 9.8 5 400 7250 240 21 18.2 10.5 | 200 15 5.1 13.8 6 300 9220 175 27 -2.4 26.9 | 153 34 -15.5 30.2 7 250 10400 195 29 7.5 28.0 | 170 32 -5.6 31.3 8 247 10477 195 27 7.0 26.1 | 168 30 -6.1 29.4 9 200 11830 205 42 17.7 38.1 | 186 42 4.6 41.4 10 150 13700 210 38 19.0 32.9 | 189 37 5.9 36.2 11 100 16280 230 15 11.5 9.6 | 173 13 -1.6 12.9 12 70 18520 215 21 12.0 17.2 | 177 21 -1.1 20.5 13 50 20650 160 13 -4.4 12.2 | 131 23 -17.6 15.5 14 30 23890 125 11 -9.0 6.3 | 113 24 -22.1 9.6 15 20 26490 95 25 -24.9 2.2 | 98 38 -38.0 5.5 16 10 30970 90 19 -19.0 0.0 | 96 32 -32.1 3.3 Wind Parameters Mean winds (0-6000m): 254.1 at 18.0 knts Storm direction: 284.1 at 13.5 knts Shear (0-3000m) pos: 1.2 neg: 2.7 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 109.9 deg Storm rel helicity (0-3000m) pos: 14.0 neg: -22.3 tot: -8.3 m^2/s^2 ave: -2.8 10^-3 m/s^2 rel: 0.14 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 5.52 Bulk Shear: 7.82 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 ------------------------------------------------------------------------------- 500 252 10 153 7| 0.0 17.5 17.5| 5.2 -12.8 -7.6 -15.3 0.17| 25.3 4.2 1000 247 13 173 9| 0.0 8.1 8.1| 5.2 -20.7 -15.5 -15.5 0.05| 14.3 0.7 1500 244 14 176 9| 0.4 5.4 5.8| 7.5 -22.3 -14.9 -9.9 0.05| 10.4 0.5 2000 244 14 178 9| 0.9 4.1 5.0| 10.3 -22.3 -12.1 -6.0 0.08| 8.4 0.7 2500 247 14 180 9| 1.3 3.2 4.5| 12.3 -22.3 -10.1 -4.0 0.11| 7.2 0.8 3000 250 14 183 8| 1.2 2.7 3.9| 14.0 -22.3 -8.3 -2.8 0.14| 6.4 0.9 4000 253 15 192 8| 0.9 2.5 3.5| 17.4 -22.3 -4.9 -1.2 0.16| 5.3 0.9 5000 255 17 201 8| 0.7 2.5 3.2| 19.6 -22.3 -2.7 -0.5 0.17| 4.7 0.8 6000 254 18 207 9| 0.6 2.1 2.7| 20.0 -34.4 -14.4 -2.4 0.09| 4.3 0.4 Wrote GIF file: /home/apache/climate/data/raob//LK520/skewt/LK520.skewt.20250415.23.gif