UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120423.upa.cvt Date: 2300Z 4 DEC 25 Searching for LK520... Searching the city database file for: LK520 ... Date:2300Z 4 DEC 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 74 SFC 972 305 3.4 2.7 95 0.7 3.1 35 1 278.8 279.6 277.6 291.9 4.78 2 950 491 4.0 3.7 98 0.3 3.8 81 7 281.2 282.1 279.4 295.8 5.25 3 925 708 2.8 2.8 100 0.0 2.8 135 15 282.2 283.0 279.7 296.2 5.06 4 862 1277 -0.3 -0.3 100 0.0 -0.3 156 25 284.7 285.4 280.0 296.9 4.34 5 850 1389 -0.7 -0.7 100 0.0 -0.7 160 27 285.4 286.2 280.3 297.5 4.27 6 823 1647 0.0 0.0 100 0.0 0.0 154 24 288.8 289.6 282.2 302.1 4.65 7 747 2419 -2.7 -3.3 96 0.6 -3.0 137 16 294.0 294.7 283.7 305.8 4.01 8 721 2699 -4.7 -7.4 81 2.7 -5.7 130 13 294.8 295.3 283.0 303.9 3.04 9 700 2931 -6.1 -7.7 88 1.6 -6.7 125 11 295.7 296.3 283.4 304.9 3.06 10 681 3146 -7.1 -7.4 98 0.3 -7.2 128 13 296.9 297.5 284.0 306.6 3.22 11 518 5237 -18.5 -20.3 86 1.8 -19.0 156 33 307.4 307.6 286.1 312.1 1.47 12 500 5500 -20.5 -22.7 82 2.2 -21.0 160 36 308.0 308.3 286.1 312.1 1.23 13 400 7110 -33.1 -35.0 83 1.9 -33.3 165 40 312.0 312.1 286.6 313.7 0.49 14 383 7414 -35.5 -37.9 79 2.4 -35.7 166 41 312.7 312.8 286.8 314.1 0.38 15 349 8053 -41.5 -44.4 73 2.9 -41.7 167 44 313.0 313.1 286.6 313.8 0.21 16 317 8698 -47.1 -48.5 85 1.4 -47.1 169 46 314.0 314.0 286.9 314.5 0.15 17 300 9060 -50.3 -53.3 70 3.0 -50.4 170 48 314.5 314.5 287.0 314.8 0.09 18 296 9147 -51.1 -54.1 70 3.0 -51.2 171 49 314.5 314.5 287.0 314.8 0.08 19 283 9437 -53.3 -57.5 60 4.2 -53.4 173 51 315.4 315.5 287.3 315.7 0.06 20 276 9597 -54.9 -56.5 82 1.6 -54.9 175 53 315.4 315.4 287.3 315.6 0.07 21 258 10023 -58.3 -60.1 80 1.8 -58.3 178 56 316.5 316.5 287.6 316.7 0.05 22 250 10220 -60.1 -64.8 54 4.7 -60.2 180 58 316.7 316.7 287.7 316.8 0.03 23 220 11006 -66.2 -70.7 53 4.5 -66.2 180 69 319.2 319.2 288.5 319.2 0.01 24 213 11201 -67.7 -72.2 53 4.5 -67.7 180 60 319.7 319.7 288.6 319.8 0.01 25 200 11580 -67.5 -72.5 49 5.0 -67.5 170 38 325.9 325.9 290.5 325.9 0.01 26 191 11855 -68.5 -74.5 42 6.0 -68.5 176 36 328.6 328.6 291.3 328.6 0.01 27 184 12080 -64.9 -77.9 15 13.0 -65.0 180 34 337.9 337.9 293.8 338.0 0.01 28 170 12565 -61.5 -78.5 9 17.0 -61.6 190 31 351.3 351.3 296.9 351.3 0.00 29 150 13340 -60.3 -79.3 7 19.0 -60.5 205 25 366.2 366.2 299.9 366.2 0.00 30 100 15870 -60.7 -84.7 3 24.0 -61.0 240 19 410.4 410.4 306.6 410.5 0.00 31 70 18070 -62.1 -86.1 3 24.0 -62.4 230 29 451.5 451.5 311.0 451.5 0.00 32 68 18250 -61.5 -86.5 2 25.0 -61.9 231 29 456.6 456.6 311.5 456.6 0.00 33 50 20140 -65.9 -87.9 3 22.0 -66.2 240 27 488.2 488.2 314.1 488.2 0.00 34 45 20776 -68.1 -89.1 3 21.0 -68.3 497.8 497.8 314.8 497.8 0.00 35 32 22818 -69.3 -91.3 3 22.0 -69.6 545.6 545.6 317.8 545.6 0.00 TRP 213 11201 -67.7 -72.2 53 4.5 -67.7 180 60 319.7 319.7 288.6 319.8 0.01 WND 220 11006 -66.2 -70.7 53 4.5 -66.2 180 69 319.2 319.2 288.5 319.2 0.01 Sounding variables and indices 1000-500 mb thick: 5426.00 m Freezing level: 868.10 mb = 1221.67 m = 4008.06 ft Freezing level: 823.00 mb = 1647.17 m = 5404.02 ft Freezing level: 823.00 mb = 1647.17 m = 5404.02 ft Wetbulb zero: 868.73 mb = 1214.00 m = 3982.88 ft Precipitable water: 0.71 inches Sfc-500 mean rel hum: 93.69 % Est. max temperature: 13.38 C = 56.08 F Sfc-Lift cond lev (LCL): 961.53 mb = 393.07 m = 1289.60 ft T: 3.68 C 700-500 lapse rate: 5.61 C/km ThetaE index: 1.93 C Layer 721.0- 700.0 mb Conv cond level (CCL): 911.71 mb = 824.67 m = 2705.58 ft Mean mixing ratio: 4.91 g/kg Conv temperature: 7.25 C = 45.05 F Cap Strength: 11.25 C Lifted Index: 11.41 C Risk: None Lifted Index @300 mb: 13.25 C Lifted Index @700 mb: 5.77 C Showalter Index: 10.18 C Risk: None Total Totals Index: 39.60 C Risk: None Vertical Totals Index: 19.80 C Cross Totals Index: 19.80 C K Index: 17.50 Risk: < 20 % chance of thunderstorms Sweat Index: 90.00 Risk: None Energy Index: 3.02 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.61 J/kg Max Up Vert Vel: 5.93 m/s Conv Inhibition (B-): 32388.07 J/kg Cap Strength: 11.33 C Lift Cond Lev (LCL): 918.67 mb = 763.40 m = 2504.57 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 183 at 17 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 ---------------------------------------------------------- 0 972 305 35 1 -0.6 -0.8 | 5 18 -1.5 -18.0 1 925 708 135 15 -10.6 10.6 | 60 13 -11.6 -6.6 2 850 1389 160 27 -9.2 25.4 | 129 13 -10.2 8.2 3 700 2931 125 11 -9.0 6.3 | 43 15 -10.0 -10.9 4 500 5500 160 36 -12.3 33.8 | 141 21 -13.3 16.7 5 400 7110 165 40 -10.4 38.6 | 152 24 -11.3 21.5 6 300 9060 170 48 -8.3 47.3 | 163 31 -9.3 30.1 7 250 10220 180 58 0.0 58.0 | 179 41 -1.0 40.8 8 220 11006 180 69 0.0 69.0 | 179 52 -1.0 51.8 9 213 11201 180 60 0.0 60.0 | 179 43 -1.0 42.8 10 200 11580 170 38 -6.6 37.4 | 160 22 -7.6 20.2 11 150 13340 205 25 10.6 22.7 | 240 11 9.6 5.5 12 100 15870 240 19 16.5 9.5 | 296 17 15.5 -7.7 13 70 18070 230 29 22.2 18.6 | 266 21 21.3 1.5 14 50 20140 240 27 23.4 13.5 | 279 23 22.4 -3.7 Wind Parameters Mean winds (0-6000m): 153.2 at 22.9 knts Storm direction: 183.2 at 17.2 knts Shear (0-3000m) pos: 4.9 neg: 2.7 tot: 7.6 10-3/s Storm rel Dir Shear (0-3000m): 52.6 deg Storm rel helicity (0-3000m) pos: 145.1 neg: -65.7 tot: 79.4 m^2/s^2 ave: 26.5 10^-3 m/s^2 rel: 0.29 Storm rel vorticity (0-3000m) horiz: 9.9 stream: 2.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.64 Bulk Shear: 27.44 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 ------------------------------------------------------------------------------- 500 133 9 36 13| 17.5 0.0 17.5| 89.4 0.0 89.4 178.8 0.88| 22.8 20.0 1000 145 15 65 11| 13.4 0.0 13.4|125.6 0.0 125.6 125.6 0.92| 17.1 15.7 1500 151 19 84 10| 8.9 1.3 10.3|131.6 -18.9 112.7 75.2 0.65| 14.0 9.1 2000 150 19 86 10| 6.7 2.7 9.4|131.6 -40.5 91.1 45.6 0.42| 12.2 5.2 2500 149 18 81 10| 5.4 3.3 8.6|131.6 -61.4 70.2 28.1 0.27| 11.0 2.9 3000 147 17 76 11| 4.9 2.7 7.6|145.1 -65.7 79.4 26.5 0.29| 9.9 2.9 4000 145 18 77 11| 5.0 2.0 7.1|186.8 -65.7 121.1 30.3 0.40| 8.8 3.5 5000 149 20 91 11| 5.1 1.6 6.8|238.2 -65.7 172.5 34.5 0.48| 8.3 4.0 6000 153 23 106 12| 4.6 1.4 6.0|262.5 -65.7 196.8 32.8 0.50| 7.4 3.7 Wrote GIF file: /home/apache/climate/data/raob//LK520/skewt/LK520.skewt.20251204.23.gif