UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102800.upa.cvt Date: 0000Z 28 OCT 25 Searching for LT220... Searching the city database file for: LT220 ... Date:0000Z 28 OCT 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 1006 23 22.6 17.6 73 5.0 19.2 120 12 295.2 297.5 292.2 331.6 12.68 1 1000 75 22.2 16.2 69 6.0 18.2 185 14 295.4 297.4 291.4 328.8 11.66 2 934 671 19.6 14.7 73 4.9 16.4 220 29 298.5 300.6 292.1 331.5 11.33 3 925 755 20.0 14.0 68 6.0 16.1 225 31 299.8 301.8 292.2 331.8 10.92 4 876 1222 17.6 11.6 68 6.0 13.8 244 25 302.0 303.8 292.0 331.1 9.84 5 850 1478 15.2 10.2 72 5.0 12.1 255 21 302.1 303.8 291.6 329.4 9.23 6 734 2703 6.0 3.0 81 3.0 4.4 244 37 305.0 306.2 290.2 324.6 6.48 7 712 2952 4.8 -0.2 70 5.0 2.2 241 40 306.3 307.3 289.5 322.5 5.30 8 700 3091 4.2 -1.8 65 6.0 1.2 240 42 307.1 308.0 289.3 321.9 4.79 9 676 3374 2.2 -9.8 41 12.0 -2.7 242 42 308.0 308.5 287.6 316.5 2.69 10 648 3715 0.8 -31.2 7 32.0 -7.2 245 42 310.1 310.2 285.9 311.7 0.44 11 592 4435 -4.1 -32.1 9 28.0 -10.5 250 43 312.6 312.7 286.8 314.1 0.44 12 500 5740 -15.3 -38.3 12 23.0 -19.0 260 44 314.4 314.4 287.2 315.4 0.28 13 498 5770 -15.1 -38.1 12 23.0 -18.8 260 44 315.0 315.0 287.4 316.0 0.29 14 443 6644 -21.7 -36.7 24 15.0 -23.9 255 49 317.4 317.5 288.3 318.7 0.37 15 418 7070 -24.1 -34.1 39 10.0 -25.7 252 52 319.6 319.7 289.2 321.4 0.51 16 400 7390 -26.7 -35.7 42 9.0 -28.0 250 54 320.3 320.4 289.3 321.9 0.46 17 389 7591 -28.5 -36.5 46 8.0 -29.6 250 55 320.5 320.6 289.4 322.1 0.43 18 335 8645 -36.7 -44.7 43 8.0 -37.4 247 63 323.3 323.3 290.0 324.1 0.21 19 300 9400 -42.7 -49.7 46 7.0 -43.1 245 68 325.2 325.2 290.5 325.7 0.14 20 250 10610 -50.3 -59.3 34 9.0 -50.5 240 64 331.3 331.3 292.1 331.5 0.05 21 235 11012 -52.1 -62.1 29 10.0 -52.3 246 66 334.5 334.5 293.0 334.6 0.04 22 200 12050 -55.1 260 71 345.5 23 191 12344 -56.7 260 67 347.5 24 164 13303 -60.7 257 69 356.3 25 150 13860 -60.5 255 70 365.9 26 125 14989 -62.3 255 67 382.2 27 108 15884 -65.3 255 65 392.8 28 100 16350 -67.1 255 64 398.1 29 97 16535 -65.9 260 65 403.9 30 92 16859 -63.3 269 68 415.2 31 89 17063 -63.6 275 69 418.6 32 83 17492 -64.1 259 60 426.0 33 73 18281 -63.5 230 43 443.2 34 70 18540 -62.3 220 38 451.1 35 63 19188 -64.3 460.5 36 57 19801 -63.5 475.7 37 55 20022 -59.7 489.3 TRP 191 12344 -56.7 260 67 347.5 WND 89 17063 -63.6 275 69 418.6 Sounding variables and indices 1000-500 mb thick: 5665.00 m Freezing level: 638.86 mb = 3832.34 m = 12573.13 ft Wetbulb zero: 692.59 mb = 3177.28 m = 10424.03 ft Precipitable water: 1.21 inches Sfc-500 mean rel hum: 45.54 % Est. max temperature: 29.41 C = 84.95 F Sfc-Lift cond lev (LCL): 934.84 mb = 663.00 m = 2175.18 ft T: 19.63 C 700-500 lapse rate: 7.36 C/km ThetaE index: 20.10 C Layer 876.0- 592.0 mb Conv cond level (CCL): 816.24 mb = 1816.31 m = 5958.95 ft Mean mixing ratio: 11.34 g/kg Conv temperature: 30.26 C = 86.47 F Cap Strength: 3.96 C Lifted Index: -4.36 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -2.82 C Lifted Index @700 mb: -0.33 C Showalter Index: -3.78 C Risk: Severe thunderstorms possible Total Totals Index: 56.00 C Risk: Severe Thunderstorms probable Vertical Totals Index: 30.50 C Cross Totals Index: 25.50 C K Index: 34.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 348.40 Risk: Showers and thunderstorms possible Energy Index: -2.75 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 825.43 J/kg Max Up Vert Vel: 40.63 m/s Conv Inhibition (B-): 127.62 J/kg Cap Strength: 3.96 C Lift Cond Lev (LCL): 879.64 mb = 1186.18 m = 3891.63 ft Lev Free Conv (LFC): 744.64 mb = 2582.73 m = 8473.41 ft Equ Level (EL): 254.64 mb = 10487.90 m = 34408.72 ft B at Equ Level: 820.20 J/kg Max Parcel Lev (MPL): 174.64 mb = 12907.47 m = 42346.81 ft Wind level data Storm motion: 276 at 27 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 1006 23 120 12 -10.4 6.0 | 103 38 -37.0 8.8 1 1000 75 185 14 1.2 13.9 | 123 30 -25.4 16.7 2 925 755 225 31 21.9 21.9 | 169 25 -4.7 24.7 3 850 1478 255 21 20.3 5.4 | 142 10 -6.3 8.2 4 700 3091 240 42 36.4 21.0 | 202 26 9.8 23.8 5 500 5740 260 44 43.3 7.6 | 238 20 16.7 10.4 6 400 7390 250 54 50.7 18.5 | 229 32 24.1 21.3 7 300 9400 245 68 61.6 28.7 | 228 47 35.0 31.5 8 250 10610 240 64 55.4 32.0 | 220 45 28.8 34.8 9 200 12050 260 71 69.9 12.3 | 251 46 43.3 15.1 10 191 12344 260 67 66.0 11.6 | 250 42 39.4 14.4 11 150 13860 255 70 67.6 18.1 | 243 46 41.0 20.9 12 100 16350 255 64 61.8 16.6 | 241 40 35.2 19.4 13 89 17063 275 69 68.7 -6.0 | 274 42 42.1 -3.2 14 70 18540 220 38 24.4 29.1 | 176 32 -2.2 31.9 Wind Parameters Mean winds (0-6000m): 246.0 at 35.7 knts Storm direction: 276.0 at 26.8 knts Shear (0-3000m) pos: 5.4 neg: 3.6 tot: 8.9 10-3/s Storm rel Dir Shear (0-3000m): 98.5 deg Storm rel helicity (0-3000m) pos: 322.2 neg: -21.0 tot: 301.2 m^2/s^2 ave: 100.4 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 12.8 stream: 7.2 10^-3/s Energy-Hel index: 1.51 Bulk Rich Number: 8.86 Bulk Shear: 93.16 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 ------------------------------------------------------------------------------- 500 199 19 135 29| 29.0 0.0 29.0|216.3 0.0 216.3 432.6 0.92| 29.4 27.0 1000 218 24 151 25| 17.6 0.0 17.6|274.9 -3.2 271.7 271.7 0.78| 22.4 17.5 1500 226 24 154 21| 10.7 0.0 10.7|274.9 -21.0 253.9 169.3 0.55| 18.3 10.0 2000 233 24 157 19| 8.0 1.8 9.8|293.2 -21.0 272.2 136.1 0.59| 15.5 9.1 2500 237 26 163 18| 6.4 2.8 9.3|309.7 -21.0 288.7 115.5 0.59| 13.8 8.2 3000 238 28 170 18| 5.4 3.6 8.9|322.2 -21.0 301.2 100.4 0.56| 12.8 7.2 4000 239 31 181 19| 4.5 2.7 7.2|353.3 -21.0 332.3 83.1 0.58| 10.3 6.0 5000 243 34 190 19| 3.9 2.1 6.1|384.0 -21.0 363.0 72.6 0.60| 8.9 5.3 6000 246 36 199 18| 3.4 1.9 5.4|404.8 -23.8 381.0 63.5 0.60| 7.9 4.7 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20251028.00.gif