UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for LT220... Searching the city database file for: LT220 ... Date:1200Z 6 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 1004 22 15.6 9.6 67 6.0 12.1 125 7 288.4 289.7 285.1 309.5 7.49 1 1000 56 15.4 8.4 63 7.0 11.4 150 7 288.5 289.8 284.6 308.1 6.92 2 925 717 10.4 4.4 66 6.0 7.3 145 18 289.9 290.9 283.8 306.2 5.67 3 864 1278 7.6 2.6 71 5.0 5.1 105 18 292.7 293.7 284.7 308.2 5.34 4 850 1412 6.6 1.6 70 5.0 4.1 95 18 293.1 294.0 284.5 307.8 5.05 5 700 2978 -3.3 -7.1 75 3.8 -4.8 110 9 298.8 299.4 284.8 308.5 3.20 6 624 3879 -8.5 -12.8 71 4.3 -10.0 124 10 302.9 303.3 285.3 310.0 2.29 7 500 5560 -20.3 -24.8 67 4.5 -21.2 150 11 308.3 308.5 285.9 311.7 1.02 8 422 6792 -30.3 -35.3 62 5.0 -30.9 142 12 310.8 310.9 286.2 312.4 0.45 9 404 7100 -32.9 -37.9 61 5.0 -33.4 140 12 311.3 311.4 286.2 312.6 0.36 10 400 7170 -33.5 -38.5 61 5.0 -34.0 140 12 311.4 311.5 286.3 312.7 0.34 11 300 9120 -50.9 -56.9 49 6.0 -51.1 140 23 313.6 313.6 286.7 313.8 0.06 12 250 10280 -60.9 150 36 315.5 13 241 10509 -62.7 180 25 316.1 14 234 10692 -62.9 186 23 318.5 15 201 11648 -56.9 219 10 342.2 16 200 11680 -56.1 220 10 343.9 17 156 13252 -56.5 233 29 368.6 18 150 13500 -57.1 235 32 371.7 19 103 15873 -56.3 240 28 415.4 20 100 16060 -57.1 240 28 417.4 21 70 18310 -60.3 255 30 455.4 22 64 18872 -58.9 251 36 470.3 23 50 20430 -57.7 240 54 507.5 24 46 20958 -58.1 241 54 518.8 25 39 22002 -57.7 242 55 544.9 26 35 22688 -56.5 243 55 565.1 27 30 23670 -55.9 245 56 592.2 28 27 24337 -56.3 250 62 609.2 29 23 25347 -58.5 258 70 631.4 30 20 26220 -59.9 265 78 652.8 31 18 26881 -58.1 266 85 678.5 32 15 28024 -59.7 267 96 709.5 33 12 29429 -56.7 269 110 766.9 34 10 30580 -58.3 270 122 801.9 35 9.0 31247 -55.9 270 126 835.8 36 8.7 31463 -55.1 846.9 TRP 241 10509 -62.7 180 25 316.1 WND 9.0 31247 -55.9 270 126 835.8 Sounding variables and indices 1000-500 mb thick: 5504.00 m Freezing level: 750.00 mb = 2456.00 m = 8057.64 ft Wetbulb zero: 781.04 mb = 2094.42 m = 6871.36 ft Precipitable water: 0.81 inches Sfc-500 mean rel hum: 70.20 % Est. max temperature: 20.15 C = 68.27 F Sfc-Lift cond lev (LCL): 917.69 mb = 782.27 m = 2566.48 ft T: 10.07 C 700-500 lapse rate: 6.58 C/km ThetaE index: 3.35 C Layer 1000.0- 864.0 mb Conv cond level (CCL): 800.78 mb = 1893.11 m = 6210.90 ft Mean mixing ratio: 6.18 g/kg Conv temperature: 22.05 C = 71.69 F Cap Strength: 3.08 C Lifted Index: 3.88 C Risk: None Lifted Index @300 mb: 4.80 C Lifted Index @700 mb: 2.31 C Showalter Index: 3.41 C Risk: None Total Totals Index: 48.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.90 C Cross Totals Index: 21.90 C K Index: 24.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 66.20 Risk: None Energy Index: 0.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.37 J/kg Max Up Vert Vel: 3.57 m/s Conv Inhibition (B-): 50760.06 J/kg Cap Strength: 3.79 C Lift Cond Lev (LCL): 866.32 mb = 1256.37 m = 4121.90 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 154 at 9 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 1004 22 125 7 -5.7 4.0 | 22 4 -1.7 -4.1 1 1000 56 150 7 -3.5 6.1 | 345 2 0.5 -2.1 2 925 717 145 18 -10.3 14.7 | 136 9 -6.3 6.6 3 850 1412 95 18 -17.9 1.6 | 65 15 -13.9 -6.6 4 700 2978 110 9 -8.5 3.1 | 41 7 -4.4 -5.1 5 500 5560 150 11 -5.5 9.5 | 133 2 -1.5 1.4 6 400 7170 140 12 -7.7 9.2 | 106 4 -3.7 1.0 7 300 9120 140 23 -14.8 17.6 | 131 14 -10.7 9.5 8 250 10280 150 36 -18.0 31.2 | 149 27 -14.0 23.0 9 241 10509 180 25 0.0 25.0 | 193 17 4.0 16.9 10 200 11680 220 10 6.4 7.7 | 273 10 10.5 -0.5 11 150 13500 235 32 26.2 18.4 | 251 32 30.3 10.2 12 100 16060 240 28 24.2 14.0 | 258 29 28.3 5.9 13 70 18310 255 30 29.0 7.8 | 271 33 33.0 -0.4 14 50 20430 240 54 46.8 27.0 | 250 54 50.8 18.9 15 30 23670 245 56 50.8 23.7 | 254 57 54.8 15.5 16 20 26220 265 78 77.7 6.8 | 271 82 81.7 -1.3 17 10 30580 270 122 122.0 -0.0 | 274 126 126.0 -8.1 Wind Parameters Mean winds (0-6000m): 123.6 at 12.1 knts Storm direction: 153.6 at 9.1 knts Shear (0-3000m) pos: 2.0 neg: 2.4 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 19.4 deg Storm rel helicity (0-3000m) pos: 1.3 neg: -53.2 tot: -51.9 m^2/s^2 ave: -17.3 10^-3 m/s^2 rel: -0.40 Storm rel vorticity (0-3000m) horiz: 6.7 stream: -2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.03 Bulk Shear: 3.14 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 ------------------------------------------------------------------------------- 500 147 11 114 2| 8.9 0.0 8.9| 1.1 -0.4 0.7 1.4 0.22| 10.7 2.4 1000 141 14 121 5| 4.4 3.8 8.2| 1.3 -17.5 -16.2 -16.2 -0.20| 10.5 -2.1 1500 128 15 99 8| 3.0 4.8 7.7| 1.3 -44.6 -43.3 -28.9 -0.40| 10.2 -4.1 2000 120 15 88 9| 2.4 3.6 5.9| 1.3 -46.5 -45.2 -22.6 -0.38| 8.5 -3.2 2500 116 15 81 10| 2.1 2.9 5.0| 1.3 -49.7 -48.4 -19.4 -0.38| 7.4 -2.8 3000 115 14 76 9| 2.0 2.4 4.4| 1.3 -53.2 -51.9 -17.3 -0.40| 6.7 -2.6 4000 115 13 72 8| 1.8 1.8 3.6| 3.7 -53.2 -49.5 -12.4 -0.33| 5.3 -1.8 5000 119 12 72 7| 1.7 1.4 3.2| 5.6 -53.2 -47.7 -9.5 -0.27| 4.6 -1.2 6000 124 12 77 6| 1.6 1.2 2.8| 6.4 -53.5 -47.0 -7.8 -0.23| 4.0 -0.9 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20251206.12.gif