UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041711.upa.cvt Date: 1100Z 17 APR 25 Searching for LK520... Searching the city database file for: LK520 ... Date:1100Z 17 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 43 SFC 970 309 24.0 6.0 31 18.0 13.6 130 9 299.7 300.9 288.0 317.7 6.05 2 925 720 19.6 2.6 32 17.0 10.4 150 21 299.4 300.3 286.8 314.2 4.99 3 870 1243 14.6 2.6 44 12.0 8.2 164 25 299.4 300.4 287.2 315.3 5.31 4 850 1439 14.0 0.0 38 14.0 6.8 170 27 300.8 301.6 286.9 314.4 4.50 5 742 2568 5.4 -5.6 45 11.0 0.5 173 36 303.4 304.0 286.6 313.8 3.39 6 731 2690 6.2 -5.8 42 12.0 0.8 174 37 305.5 306.2 287.5 316.1 3.39 7 700 3044 4.2 -6.8 45 11.0 -0.7 175 40 307.1 307.7 287.9 317.4 3.28 8 680 3279 2.8 -7.2 48 10.0 -1.6 177 39 308.1 308.7 288.2 318.4 3.27 9 548 4976 -11.9 -13.0 92 1.1 -12.3 190 35 310.3 310.8 288.2 318.5 2.56 10 547 4990 -12.1 -13.2 91 1.1 -12.5 190 35 310.2 310.7 288.2 318.3 2.53 11 540 5088 -12.5 -15.9 76 3.4 -13.6 190 35 310.9 311.3 287.9 317.5 2.05 12 503 5625 -16.9 -17.9 92 1.0 -17.2 195 33 311.9 312.3 288.1 318.0 1.86 13 500 5670 -17.3 -19.1 86 1.8 -17.8 195 33 311.9 312.3 287.9 317.5 1.69 14 468 6165 -20.5 -26.5 59 6.0 -21.8 192 36 313.9 314.1 287.8 317.1 0.94 15 427 6839 -26.3 -29.8 72 3.5 -26.9 188 39 314.9 315.0 287.9 317.5 0.76 16 400 7310 -29.3 -33.2 69 3.9 -29.9 185 42 316.9 317.0 288.4 319.0 0.58 17 353 8191 -35.3 -39.6 65 4.3 -35.7 185 49 320.4 320.4 289.2 321.6 0.35 18 300 9300 -45.1 -49.5 61 4.4 -45.3 185 58 321.8 321.8 289.5 322.3 0.14 19 292 9480 -46.5 -53.5 45 7.0 -46.8 187 60 322.3 322.3 289.6 322.6 0.09 20 253 10414 -55.0 -61.1 47 6.1 -55.1 200 68 323.2 323.2 289.8 323.4 0.04 21 250 10490 -55.7 -61.7 47 6.0 -55.8 205 64 323.3 323.3 289.8 323.4 0.04 22 233 10935 -59.1 -66.1 40 7.0 -59.2 197 47 324.7 324.7 290.2 324.8 0.02 23 220 11295 -57.7 -68.7 23 11.0 -57.8 191 32 332.2 332.2 292.3 332.3 0.02 24 200 11890 -62.1 -71.1 29 9.0 -62.2 180 9 334.4 334.4 292.9 334.5 0.01 25 193 12110 -62.5 -73.5 21 11.0 -62.6 182 10 337.2 337.2 293.6 337.2 0.01 26 169 12947 -52.7 -82.7 1 30.0 -53.1 189 15 366.6 366.6 299.9 366.6 0.00 27 156 13466 -50.7 -81.7 1 31.0 -51.2 193 18 378.4 378.4 302.0 378.5 0.00 28 150 13720 -52.3 -83.3 1 31.0 -52.8 195 19 380.0 380.0 302.2 380.0 0.00 29 100 16320 -55.3 -85.3 1 30.0 -55.8 200 23 420.9 420.9 307.8 420.9 0.00 30 84 17430 -54.5 -85.5 1 31.0 -55.2 205 14 444.0 444.0 310.3 444.0 0.00 31 73 18317 -58.9 -86.9 2 28.0 -59.3 209 7 452.9 452.9 311.1 452.9 0.00 32 70 18580 -57.3 -86.3 1 29.0 -57.9 210 5 461.8 461.8 312.0 461.8 0.00 33 50 20710 -56.7 -86.7 1 30.0 -57.5 155 19 509.9 509.9 315.7 509.9 0.00 34 38 22449 -54.9 -86.9 1 32.0 -56.2 142 17 556.1 556.1 318.4 556.1 0.01 35 30 23950 -56.1 -87.1 1 31.0 -57.5 130 15 591.7 591.7 320.2 591.7 0.01 36 24 25371 -56.1 -87.1 1 31.0 -57.8 113 21 630.7 630.7 321.9 630.8 0.01 37 20 26540 -52.9 -85.9 1 33.0 -55.6 100 25 674.3 674.3 323.6 674.3 0.01 38 13 29330 -49.5 -85.5 1 36.0 -54.4 106 21 774.4 774.4 326.6 774.6 0.02 39 10 31040 -50.5 -85.5 1 35.0 -55.8 110 19 831.0 831.1 328.0 831.3 0.03 40 8.7 31946 -51.7 -85.7 1 34.0 -57.0 860.1 860.2 328.6 860.4 0.03 41 6.9 33472 -45.1 -83.1 1 38.0 -54.4 946.5 946.5 330.3 947.1 0.06 TRP 200 11890 -62.1 -71.1 29 9.0 -62.2 180 9 334.4 334.4 292.9 334.5 0.01 WND 253 10414 -55.0 -61.1 47 6.1 -55.1 200 68 323.2 323.2 289.8 323.4 0.04 Sounding variables and indices 1000-500 mb thick: 5627.00 m Freezing level: 654.86 mb = 3601.99 m = 11817.42 ft Wetbulb zero: 714.46 mb = 2876.90 m = 9438.53 ft Precipitable water: 0.75 inches Sfc-500 mean rel hum: 55.94 % Est. max temperature: 25.75 C = 78.34 F Sfc-Lift cond lev (LCL): 743.13 mb = 2554.99 m = 8382.41 ft T: 5.50 C 700-500 lapse rate: 8.19 C/km ThetaE index: 3.47 C Layer 925.0- 870.0 mb Conv cond level (CCL): 636.30 mb = 3801.04 m = 12470.45 ft Mean mixing ratio: 5.31 g/kg Conv temperature: 33.06 C = 91.50 F Cap Strength: 5.83 C Lifted Index: 1.78 C Risk: Showers probable Lifted Index @300 mb: 4.98 C Lifted Index @700 mb: 5.82 C Showalter Index: 2.31 C Risk: Showers probable Total Totals Index: 48.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 31.30 C Cross Totals Index: 17.30 C K Index: 20.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 87.00 Risk: None Energy Index: 0.67 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.15 J/kg Max Up Vert Vel: 1.52 m/s Conv Inhibition (B-): 51506.52 J/kg Cap Strength: 5.84 C Lift Cond Lev (LCL): 725.58 mb = 2750.69 m = 9024.46 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 209 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 ---------------------------------------------------------- 0 970 309 130 9 -6.9 5.8 | 50 24 -18.8 -15.7 1 925 720 150 21 -10.5 18.2 | 82 23 -22.4 -3.3 2 850 1439 170 27 -4.7 26.6 | 107 17 -16.6 5.1 3 700 3044 175 40 -3.5 39.8 | 140 24 -15.4 18.4 4 500 5670 195 33 8.5 31.9 | 162 11 -3.4 10.4 5 400 7310 185 42 3.7 41.8 | 158 22 -8.3 20.4 6 300 9300 185 58 5.1 57.8 | 169 37 -6.9 36.3 7 253 10414 200 68 23.3 63.9 | 195 44 11.3 42.5 8 250 10490 205 64 27.0 58.0 | 202 40 15.1 36.6 9 200 11890 180 9 0.0 9.0 | 44 17 -11.9 -12.4 10 150 13720 195 19 4.9 18.4 | 66 8 -7.0 -3.1 11 100 16320 200 23 7.9 21.6 | 92 4 -4.1 0.2 12 70 18580 210 5 2.5 4.3 | 29 20 -9.4 -17.1 13 50 20710 155 19 -8.0 17.2 | 78 20 -20.0 -4.2 14 30 23950 130 15 -11.5 9.6 | 63 26 -23.4 -11.8 15 20 26540 100 25 -24.6 4.3 | 65 40 -36.6 -17.1 16 10 31040 110 19 -17.9 6.5 | 63 33 -29.8 -14.9 Wind Parameters Mean winds (0-6000m): 179.1 at 32.7 knts Storm direction: 209.1 at 24.5 knts Shear (0-3000m) pos: 5.8 neg: 0.0 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 91.6 deg Storm rel helicity (0-3000m) pos: 194.1 neg: 0.0 tot: 194.1 m^2/s^2 ave: 64.7 10^-3 m/s^2 rel: 0.90 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 5.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.02 Bulk Shear: 59.58 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 ------------------------------------------------------------------------------- 500 146 16 69 23| 14.3 0.0 14.3| 87.3 0.0 87.3 174.6 0.98| 14.7 14.4 1000 154 20 81 21| 10.0 0.0 10.0|120.1 0.0 120.1 120.1 0.94| 11.0 10.4 1500 161 23 90 19| 8.2 0.0 8.2|141.8 0.0 141.8 94.5 0.94| 9.1 8.5 2000 165 25 98 19| 7.2 0.0 7.2|160.6 0.0 160.6 80.3 0.93| 7.9 7.3 2500 167 27 106 19| 6.6 0.0 6.6|180.1 0.0 180.1 72.0 0.92| 7.1 6.5 3000 169 29 113 19| 5.8 0.0 5.8|194.1 0.0 194.1 64.7 0.90| 6.5 5.8 4000 173 31 121 19| 4.1 0.0 4.1|207.8 0.0 207.8 51.9 0.84| 5.6 4.7 5000 176 32 127 18| 3.2 0.0 3.2|217.0 0.0 217.0 43.4 0.79| 5.1 4.0 6000 179 33 132 17| 2.7 0.3 2.9|219.6 -0.7 218.9 36.5 0.72| 4.7 3.4 Wrote GIF file: /home/apache/climate/data/raob//LK520/skewt/LK520.skewt.20250417.11.gif