UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042300.upa.cvt Date: 0000Z 23 APR 25 Searching for LK747... Searching the city database file for: LK747 ... Date:0000Z 23 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 149 330 3 SFC 992 217 13.6 6.6 63 7.0 9.8 330 3 287.4 288.5 283.3 304.8 6.16 2 990 234 15.4 6.4 55 9.0 10.5 332 3 289.4 290.5 284.1 306.7 6.09 3 984 285 16.0 6.0 51 10.0 10.6 339 4 290.5 291.5 284.4 307.5 5.96 4 925 809 13.4 4.4 54 9.0 8.6 45 11 293.0 294.0 285.1 309.4 5.67 5 914 910 13.0 5.0 58 8.0 8.7 55 10 293.6 294.7 285.7 311.0 5.99 6 850 1515 8.0 3.2 72 4.8 5.5 115 5 294.5 295.5 285.7 311.0 5.67 7 700 3084 -3.7 -6.6 80 2.9 -4.9 245 19 298.4 299.0 284.7 308.5 3.33 8 655 3604 -8.5 -8.7 98 0.2 -8.6 249 18 298.7 299.2 284.5 307.9 3.02 9 647 3699 -6.9 -11.9 67 5.0 -8.7 250 18 301.6 302.0 284.9 308.9 2.37 10 603 4244 -11.1 -14.1 78 3.0 -12.1 254 17 302.8 303.2 285.1 309.5 2.13 11 578 4568 -12.1 -33.1 16 21.0 -16.0 256 17 305.4 305.4 284.1 306.8 0.41 12 546 5002 -14.9 -40.9 9 26.0 -18.6 260 16 307.0 307.1 284.5 307.7 0.20 13 500 5660 -20.5 -29.5 44 9.0 -22.1 265 15 308.0 308.2 285.4 310.3 0.66 14 499 5675 -20.5 -29.5 44 9.0 -22.1 265 15 308.2 308.3 285.5 310.5 0.66 15 400 7270 -31.9 -56.9 7 25.0 -33.3 275 19 313.5 313.5 286.6 313.7 0.04 16 398 7305 -32.1 -55.1 8 23.0 -33.4 275 19 313.7 313.7 286.7 313.9 0.05 17 309 9035 -47.1 -58.1 27 11.0 -47.4 253 26 316.3 316.3 287.6 316.5 0.05 18 300 9230 -48.9 -54.9 50 6.0 -49.1 250 27 316.4 316.4 287.6 316.7 0.07 19 295 9340 -49.9 -54.3 60 4.4 -50.0 250 28 316.5 316.6 287.7 316.8 0.08 20 292 9406 -50.5 -55.4 56 4.9 -50.7 250 28 316.6 316.6 287.7 316.9 0.07 21 257 10226 -56.5 -64.5 36 8.0 -56.6 250 32 319.5 319.5 288.6 319.6 0.03 22 250 10400 -58.1 -64.1 46 6.0 -58.2 250 33 319.7 319.7 288.7 319.8 0.03 23 229 10948 -61.9 -67.9 45 6.0 -62.0 257 34 322.0 322.0 289.4 322.1 0.02 24 222 11140 -63.1 -68.1 51 5.0 -63.1 260 35 323.0 323.1 289.7 323.1 0.02 25 210 11483 -61.5 -75.5 14 14.0 -61.6 249 29 330.7 330.7 291.9 330.7 0.01 26 205 11634 -57.5 -75.5 8 18.0 -57.7 245 26 339.3 339.3 294.1 339.3 0.01 27 200 11790 -56.9 -77.9 5 21.0 -57.1 240 23 342.7 342.7 295.0 342.7 0.00 28 171 12796 -52.3 -83.3 1 31.0 -52.7 254 18 366.0 366.0 299.8 366.0 0.00 29 162 13144 -54.7 -83.7 2 29.0 -55.1 258 16 367.6 367.6 300.1 367.7 0.00 30 150 13640 -52.9 -83.9 1 31.0 -53.4 265 13 378.9 378.9 302.1 378.9 0.00 31 143 13948 -51.5 -83.5 1 32.0 -52.1 271 12 386.6 386.6 303.3 386.6 0.00 32 124 14864 -54.1 -85.1 1 31.0 -54.6 291 7 397.9 397.9 304.9 398.0 0.00 33 118 15183 -51.5 -84.5 1 33.0 -52.2 298 6 408.4 408.4 306.3 408.4 0.00 34 100 16250 -53.1 -85.1 1 32.0 -53.8 320 1 425.1 425.1 308.3 425.1 0.00 35 70 18530 -55.9 -86.9 1 31.0 -56.6 295 5 464.8 464.8 312.2 464.8 0.00 36 51 20535 -57.7 -87.7 1 30.0 -58.5 356 9 504.6 504.6 315.3 504.7 0.00 37 50 20660 -56.9 -87.9 1 31.0 -57.8 360 9 509.4 509.4 315.6 509.4 0.00 38 40 22085 -53.5 -86.5 1 33.0 -54.9 28 6 551.5 551.5 318.2 551.5 0.01 39 35 22938 -56.5 -88.5 1 32.0 -57.7 45 5 565.1 565.1 318.9 565.2 0.00 40 30 23920 -55.1 -88.1 1 33.0 -56.7 65 3 594.4 594.4 320.3 594.5 0.01 41 27 24594 -53.3 -87.3 1 34.0 -55.4 21 3 617.7 617.7 321.4 617.7 0.01 42 20 26510 -55.9 -87.9 1 32.0 -57.9 255 3 665.1 665.1 323.3 665.1 0.01 43 18 27182 -56.7 -88.7 1 32.0 -58.7 263 5 682.9 682.9 323.9 682.9 0.01 44 10 30990 -48.5 -86.5 0 38.0 -54.6 310 15 838.5 838.5 328.1 838.7 0.02 45 7.7 32722 -45.3 -85.3 0 40.0 -53.9 916.5 916.5 329.7 916.8 0.04 46 6.3 34078 -39.7 -80.7 0 41.0 -52.4 994.4 994.5 331.1 995.5 0.09 47 5.9 34525 -40.9 -81.9 0 41.0 -53.2 1008.1 1008.1 331.3 1009.0 0.08 TRP 222 11140 -63.1 -68.1 51 5.0 -63.1 260 35 323.0 323.1 289.7 323.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5511.00 m Freezing level: 747.44 mb = 2587.82 m = 8490.12 ft Wetbulb zero: 770.50 mb = 2308.52 m = 7573.79 ft Precipitable water: 0.75 inches Sfc-500 mean rel hum: 59.82 % Est. max temperature: 20.90 C = 69.62 F Sfc-Lift cond lev (LCL): 892.65 mb = 1106.78 m = 3631.13 ft T: 11.37 C 700-500 lapse rate: 6.52 C/km ThetaE index: 3.17 C Layer 700.0- 647.0 mb Conv cond level (CCL): 773.68 mb = 2275.24 m = 7464.61 ft Mean mixing ratio: 5.86 g/kg Conv temperature: 22.63 C = 72.73 F Cap Strength: 2.89 C Lifted Index: 2.39 C Risk: None Lifted Index @300 mb: 5.40 C Lifted Index @700 mb: 0.85 C Showalter Index: 1.16 C Risk: Showers probable Total Totals Index: 52.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.50 C Cross Totals Index: 23.70 C K Index: 28.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 127.40 Risk: None Energy Index: -0.17 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.11 J/kg Max Up Vert Vel: 5.68 m/s Conv Inhibition (B-): 151.55 J/kg Cap Strength: 2.85 C Lift Cond Lev (LCL): 822.61 mb = 1779.68 m = 5838.78 ft Lev Free Conv (LFC): 667.61 mb = 3454.52 m = 11333.60 ft Equ Level (EL): 647.61 mb = 3691.88 m = 12112.31 ft B at Equ Level: 12.33 J/kg Max Parcel Lev (MPL): 627.61 mb = 3934.60 m = 12908.62 ft Wind level data Storm motion: 284 at 10 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 ---------------------------------------------------------- 0 992 217 330 3 1.5 -2.6 | 89 8 -8.4 -0.1 1 925 809 45 11 -7.8 -7.8 | 73 18 -17.7 -5.3 2 850 1515 115 5 -4.5 2.1 | 108 15 -14.5 4.6 3 700 3084 245 19 17.2 8.0 | 215 13 7.3 10.5 4 500 5660 265 15 14.9 1.3 | 233 6 5.0 3.8 5 400 7270 275 19 18.9 -1.7 | 265 9 9.0 0.8 6 300 9230 250 27 25.4 9.2 | 233 19 15.4 11.7 7 250 10400 250 33 31.0 11.3 | 237 25 21.1 13.8 8 222 11140 260 35 34.5 6.1 | 251 26 24.5 8.6 9 200 11790 240 23 19.9 11.5 | 216 17 10.0 14.0 10 150 13640 265 13 13.0 1.1 | 220 5 3.0 3.6 11 100 16250 320 1 0.6 -0.8 | 100 9 -9.3 1.7 12 70 18530 295 5 4.5 -2.1 | 94 5 -5.4 0.4 13 50 20660 360 9 -0.0 -9.0 | 57 12 -9.9 -6.5 14 30 23920 65 3 -2.7 -1.3 | 95 13 -12.7 1.2 15 20 26510 255 3 2.9 0.8 | 115 8 -7.0 3.3 16 10 30990 310 15 11.5 -9.6 | 348 7 1.5 -7.2 Wind Parameters Mean winds (0-6000m): 254.0 at 13.7 knts Storm direction: 284.0 at 10.2 knts Shear (0-3000m) pos: 3.2 neg: 0.0 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 126.4 deg Storm rel helicity (0-3000m) pos: 183.3 neg: -8.8 tot: 174.5 m^2/s^2 ave: 58.2 10^-3 m/s^2 rel: 0.70 Storm rel vorticity (0-3000m) horiz: 9.4 stream: 6.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.35 Bulk Shear: 46.03 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 28 6 76 13| 9.1 0.0 9.1| 2.4 -8.8 -6.4 -12.8 -0.30| 10.1 -3.0 1000 46 8 79 16| 4.7 0.0 4.7| 42.6 -8.8 33.8 33.8 0.28| 10.1 2.8 1500 58 7 85 16| 3.3 0.0 3.3| 65.8 -8.8 57.0 38.0 0.41| 9.0 3.7 2000 87 8 97 18| 3.6 0.0 3.6|101.6 -8.8 92.7 46.4 0.54| 8.8 4.8 2500 139 9 120 18| 3.5 0.0 3.5|147.9 -8.8 139.1 55.6 0.65| 9.2 6.0 3000 236 10 171 8| 3.2 0.0 3.2|183.3 -8.8 174.5 58.2 0.70| 9.4 6.6 4000 246 12 189 8| 2.2 0.0 2.2|187.1 -8.8 178.3 44.6 0.69| 7.4 5.1 5000 250 13 200 7| 1.5 0.0 1.5|189.6 -8.8 180.8 36.2 0.68| 6.2 4.2 6000 254 14 207 7| 1.3 0.0 1.3|192.9 -8.8 184.1 30.7 0.68| 5.4 3.7 Wrote GIF file: /home/apache/climate/data/raob//LK747/skewt/LK747.skewt.20250423.00.gif