UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for LT220... Searching the city database file for: LT220 ... Date:1200Z 5 DEC 25 Station: LT220 WMO ident: 17220 Latitude: 38.43 Longitude: 27.17 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1001 19 16.4 11.6 73 4.8 13.5 125 4 289.5 291.0 286.6 313.7 8.59 1 1000 27 16.4 10.4 68 6.0 12.9 125 4 289.5 290.9 286.0 312.0 7.93 2 996 61 16.2 6.2 51 10.0 10.7 125 5 289.7 290.7 284.1 306.7 5.97 3 972 270 14.2 4.2 51 10.0 9.0 125 13 289.7 290.6 283.4 304.9 5.32 4 925 691 12.0 4.0 58 8.0 7.8 125 29 291.6 292.6 284.4 307.5 5.51 5 862 1274 7.4 3.5 76 3.9 5.4 142 37 292.7 293.7 285.0 309.2 5.71 6 850 1389 6.6 3.7 82 2.9 5.1 145 38 293.1 294.1 285.3 310.1 5.88 7 736 2558 -0.9 -2.9 86 2.0 -1.8 167 41 297.2 298.0 285.2 309.7 4.20 8 735 2569 -0.7 -2.5 88 1.8 -1.5 167 41 297.5 298.3 285.5 310.4 4.33 9 718 2756 -1.7 -4.6 81 2.9 -3.0 171 41 298.4 299.1 285.2 309.8 3.78 10 700 2958 -2.7 -7.4 70 4.7 -4.6 175 42 299.5 300.1 284.9 309.0 3.13 11 631 3776 -7.5 -10.8 77 3.3 -8.7 169 38 303.0 303.5 285.8 311.3 2.66 12 527 5156 -16.9 -21.9 65 5.0 -18.1 158 31 307.8 308.0 286.0 311.9 1.26 13 525 5185 -17.1 -24.1 55 7.0 -18.7 158 31 307.9 308.1 285.8 311.3 1.04 14 500 5550 -19.7 -29.7 41 10.0 -21.5 155 29 309.0 309.1 285.8 311.2 0.65 15 492 5670 -19.7 -26.7 54 7.0 -21.1 155 29 310.4 310.6 286.5 313.4 0.87 16 459 6181 -24.1 -35.1 36 11.0 -25.6 153 30 311.2 311.3 286.3 312.7 0.42 17 437 6538 -26.7 -33.7 52 7.0 -27.7 152 30 312.3 312.4 286.8 314.1 0.51 18 400 7170 -32.5 -38.5 55 6.0 -33.1 150 31 312.7 312.8 286.7 314.0 0.34 19 387 7402 -33.5 -39.5 55 6.0 -34.1 151 33 314.4 314.5 287.3 315.6 0.32 20 364 7828 -37.5 -47.5 35 10.0 -38.1 152 37 314.6 314.7 287.1 315.2 0.14 21 300 9130 -48.3 -58.3 31 10.0 -48.6 155 50 317.3 317.3 287.9 317.5 0.05 22 261 10043 -53.3 -62.3 33 9.0 -53.5 155 79 322.8 322.8 289.6 323.0 0.03 23 250 10320 -55.5 155 88 323.6 24 248 10371 -55.9 155 89 323.8 25 228 10899 -59.7 175 70 325.8 26 223 11037 -58.1 181 65 330.3 27 200 11720 -57.9 210 42 341.1 28 190 12045 -56.9 211 40 347.7 29 150 13540 -58.7 215 29 368.9 30 137 14112 -58.3 213 29 379.3 31 113 15329 -57.5 208 28 402.3 32 101 16037 -58.9 205 28 412.7 33 100 16100 -59.1 205 28 413.5 34 84 17190 -62.1 222 32 428.6 35 75 17896 -59.9 233 35 447.3 36 70 18330 -58.7 240 37 458.8 37 61 19201 -55.7 483.9 38 55 19858 -56.7 496.2 39 50 20462 -56.9 509.4 40 50 20462 -56.9 509.4 TRP 228 10899 -59.7 175 70 325.8 WND 248 10371 -55.9 155 89 323.8 Sounding variables and indices 1000-500 mb thick: 5523.00 m Freezing level: 749.68 mb = 2417.54 m = 7931.47 ft Wetbulb zero: 765.62 mb = 2237.53 m = 7340.88 ft Precipitable water: 0.82 inches Sfc-500 mean rel hum: 70.87 % Est. max temperature: 19.97 C = 67.94 F Sfc-Lift cond lev (LCL): 931.78 mb = 628.97 m = 2063.52 ft T: 12.32 C 700-500 lapse rate: 6.56 C/km ThetaE index: 8.77 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 772.96 mb = 2160.11 m = 7086.89 ft Mean mixing ratio: 5.59 g/kg Conv temperature: 22.74 C = 72.93 F Cap Strength: 4.44 C Lifted Index: 4.71 C Risk: None Lifted Index @300 mb: 7.70 C Lifted Index @700 mb: 3.08 C Showalter Index: 2.55 C Risk: Showers probable Total Totals Index: 49.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 23.40 C K Index: 25.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 163.40 Risk: None Energy Index: 0.26 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.77 J/kg Max Up Vert Vel: 4.19 m/s Conv Inhibition (B-): 23534.97 J/kg Cap Strength: 4.70 C Lift Cond Lev (LCL): 832.91 mb = 1553.82 m = 5097.78 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 189 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 1001 19 125 4 -3.3 2.3 | 17 24 -7.2 -22.9 1 1000 27 125 4 -3.3 2.3 | 17 24 -7.2 -22.9 2 925 691 125 29 -23.8 16.6 | 73 29 -27.6 -8.5 3 850 1389 145 38 -21.8 31.1 | 103 26 -25.7 6.0 4 700 2958 175 42 -3.7 41.8 | 156 18 -7.5 16.7 5 500 5550 155 29 -12.3 26.3 | 94 16 -16.1 1.1 6 400 7170 150 31 -15.5 26.8 | 95 19 -19.4 1.7 7 300 9130 155 50 -21.1 45.3 | 129 32 -25.0 20.2 8 250 10320 155 88 -37.2 79.8 | 143 68 -41.1 54.6 9 248 10371 155 89 -37.6 80.7 | 143 69 -41.5 55.5 10 228 10899 175 70 -6.1 69.7 | 167 46 -10.0 44.6 11 200 11720 210 42 21.0 36.4 | 237 20 17.1 11.2 12 150 13540 215 29 16.6 23.8 | 276 13 12.8 -1.4 13 100 16100 205 28 11.8 25.4 | 268 8 8.0 0.2 14 70 18330 240 37 32.0 18.5 | 283 29 28.2 -6.7 Wind Parameters Mean winds (0-6000m): 158.8 at 33.9 knts Storm direction: 188.8 at 25.5 knts Shear (0-3000m) pos: 5.5 neg: 3.2 tot: 8.7 10-3/s Storm rel Dir Shear (0-3000m): 137.0 deg Storm rel helicity (0-3000m) pos: 366.7 neg: 0.0 tot: 366.7 m^2/s^2 ave: 122.2 10^-3 m/s^2 rel: 0.94 Storm rel vorticity (0-3000m) horiz: 10.4 stream: 9.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.11 Bulk Shear: 77.31 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 ------------------------------------------------------------------------------- 500 125 13 40 23| 0.0 19.0 19.0|111.8 0.0 111.8 223.6 0.97| 19.1 18.5 1000 127 21 59 24| 6.0 9.5 15.5|199.4 0.0 199.4 199.4 0.95| 16.2 15.4 1500 134 26 73 24| 6.7 6.3 13.0|266.7 0.0 266.7 177.8 0.96| 14.2 13.5 2000 140 29 84 23| 6.1 4.8 10.9|303.6 0.0 303.6 151.8 0.95| 12.3 11.7 2500 146 32 93 22| 5.8 3.8 9.6|338.7 0.0 338.7 135.5 0.94| 11.3 10.6 3000 152 33 102 20| 5.5 3.2 8.7|366.7 0.0 366.7 122.2 0.94| 10.4 9.8 4000 157 35 112 19| 4.1 2.6 6.7|366.7 -31.5 335.2 83.8 0.74| 8.7 6.5 5000 159 35 114 18| 3.3 2.3 5.6|366.7 -60.0 306.7 61.3 0.58| 7.7 4.5 6000 159 34 112 17| 2.7 2.1 4.9|367.2 -74.3 292.9 48.8 0.51| 6.8 3.4 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20251205.12.gif