UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for LT220... Searching the city database file for: LT220 ... Date:1200Z 8 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 1012 21 17.8 8.8 56 9.0 12.6 305 4 290.0 291.2 285.3 309.9 7.03 1 1000 122 16.0 8.0 59 8.0 11.5 5 7 289.1 290.3 284.7 308.2 6.74 2 925 789 9.4 5.6 77 3.8 7.4 50 12 288.9 290.0 284.0 306.4 6.17 3 918 851 9.2 5.2 76 4.0 7.1 49 13 289.3 290.4 284.0 306.5 6.04 4 870 1289 6.8 1.8 70 5.0 4.3 39 17 291.3 292.2 283.7 305.8 5.01 5 850 1477 6.2 0.2 65 6.0 3.3 35 19 292.6 293.5 283.8 305.9 4.56 6 788 2095 2.8 -3.2 65 6.0 0.1 6 16 295.4 296.1 284.1 306.8 3.83 7 700 3045 -3.3 -10.3 58 7.0 -5.9 320 12 298.8 299.3 284.0 306.5 2.49 8 676 3319 -6.1 -11.1 68 5.0 -7.9 314 12 298.7 299.1 283.8 306.1 2.42 9 662 3483 -7.5 -11.1 75 3.6 -8.8 310 12 298.9 299.4 284.0 306.5 2.47 10 617 4028 -9.9 -16.9 57 7.0 -12.0 297 12 302.2 302.5 284.4 307.5 1.65 11 581 4488 -13.9 -18.9 66 5.0 -15.3 287 12 302.8 303.1 284.4 307.5 1.48 12 500 5610 -22.5 -31.5 44 9.0 -23.9 260 12 305.6 305.7 284.4 307.5 0.55 13 464 6156 -26.7 -32.7 57 6.0 -27.5 262 12 307.0 307.1 284.8 308.8 0.53 14 416 6935 -33.5 -41.5 44 8.0 -34.2 264 13 308.0 308.0 284.9 308.8 0.24 15 400 7210 -35.9 -42.9 49 7.0 -36.4 265 13 308.3 308.4 285.0 309.1 0.22 16 383 7510 -38.7 -44.7 53 6.0 -39.1 265 14 308.5 308.5 285.0 309.2 0.19 17 300 9140 -52.1 -58.1 48 6.0 -52.2 265 20 311.9 311.9 286.1 312.1 0.05 18 258 10102 -59.5 275 24 314.8 19 250 10300 -59.3 285 21 317.9 20 221 11082 -56.3 296 19 333.9 21 200 11720 -55.9 305 18 344.2 22 150 13560 -55.9 330 25 373.8 23 113 15347 -59.7 320 28 398.2 24 110 15515 -59.7 319 28 401.3 25 100 16110 -60.5 315 29 410.8 26 70 18310 -61.9 295 30 452.0 27 57 19590 -60.9 274 33 481.6 28 50 20410 -59.5 260 35 503.3 29 49 20537 -60.5 261 36 503.8 30 39 21958 -62.1 267 46 533.8 31 30 23580 -63.3 275 57 572.1 32 28 24008 -61.7 273 59 587.9 33 22 25523 -57.3 267 65 643.0 34 20 26130 -55.9 265 68 665.1 35 17 27168 -55.3 264 75 698.6 36 15 27969 -54.9 263 80 725.4 37 14 28416 -49.9 262 83 756.8 38 10 30610 -51.7 260 97 826.6 39 9.0 31297 -49.6 265 111 860.1 40 8.8 31444 -49.1 867.4 TRP 258 10102 -59.5 275 24 314.8 WND 9.0 31297 -49.6 265 111 860.1 Sounding variables and indices 1000-500 mb thick: 5488.00 m Freezing level: 747.61 mb = 2531.18 m = 8304.30 ft Wetbulb zero: 786.00 mb = 2115.57 m = 6940.75 ft Precipitable water: 0.75 inches Sfc-500 mean rel hum: 63.16 % Est. max temperature: 19.69 C = 67.45 F Sfc-Lift cond lev (LCL): 884.75 mb = 1151.58 m = 3778.12 ft T: 7.55 C 700-500 lapse rate: 7.49 C/km ThetaE index: 3.49 C Layer 1000.0- 918.0 mb Conv cond level (CCL): 817.30 mb = 1797.17 m = 5896.16 ft Mean mixing ratio: 6.45 g/kg Conv temperature: 21.93 C = 71.48 F Cap Strength: 2.37 C Lifted Index: 1.45 C Risk: Showers probable Lifted Index @300 mb: 3.37 C Lifted Index @700 mb: 2.10 C Showalter Index: 2.44 C Risk: Showers probable Total Totals Index: 51.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.70 C Cross Totals Index: 22.70 C K Index: 21.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 100.40 Risk: None Energy Index: 0.35 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.08 J/kg Max Up Vert Vel: 2.04 m/s Conv Inhibition (B-): 45603.14 J/kg Cap Strength: 2.35 C Lift Cond Lev (LCL): 878.75 mb = 1206.99 m = 3959.89 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 5 at 10 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 1012 21 305 4 3.3 -2.3 | 209 8 4.1 7.4 1 1000 122 5 7 -0.6 -7.0 | 185 3 0.2 2.7 2 925 789 50 12 -9.2 -7.7 | 103 9 -8.4 2.0 3 850 1477 35 19 -10.9 -15.6 | 60 12 -10.1 -5.9 4 700 3045 320 12 7.7 -9.2 | 267 9 8.5 0.5 5 500 5610 260 12 11.8 2.1 | 227 17 12.6 11.8 6 400 7210 265 13 13.0 1.1 | 232 18 13.8 10.8 7 300 9140 265 20 19.9 1.7 | 241 24 20.8 11.4 8 258 10102 275 24 23.9 -2.1 | 253 26 24.7 7.6 9 250 10300 285 21 20.3 -5.4 | 259 22 21.1 4.2 10 200 11720 305 18 14.7 -10.3 | 272 16 15.6 -0.7 11 150 13560 330 25 12.5 -21.7 | 312 18 13.3 -12.0 12 100 16110 315 29 20.5 -20.5 | 297 24 21.3 -10.8 13 70 18310 295 30 27.2 -12.7 | 276 28 28.0 -3.0 14 50 20410 260 35 34.5 6.1 | 246 39 35.3 15.7 15 30 23580 275 57 56.8 -5.0 | 265 58 57.6 4.7 16 20 26130 265 68 67.7 5.9 | 257 70 68.6 15.6 17 10 30610 260 97 95.5 16.8 | 255 100 96.4 26.5 Wind Parameters Mean winds (0-6000m): 334.9 at 12.9 knts Storm direction: 4.9 at 9.7 knts Shear (0-3000m) pos: 2.7 neg: 3.0 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 59.3 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -62.2 tot: -62.2 m^2/s^2 ave: -20.7 10^-3 m/s^2 rel: -0.74 Storm rel vorticity (0-3000m) horiz: 7.6 stream: -5.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.21 Bulk Shear: 10.10 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 16 8 147 3| 10.9 0.0 10.9| 0.0 -5.0 -5.0 -10.0 -0.53| 11.6 -6.2 1000 36 10 108 5| 8.0 0.0 8.0| 0.0 -10.9 -10.9 -10.9 -0.49| 9.1 -4.4 1500 37 12 88 7| 5.3 1.9 7.3| 0.0 -26.0 -26.0 -17.4 -0.60| 8.1 -4.8 2000 32 14 74 7| 4.0 2.5 6.5| 0.0 -41.0 -41.0 -20.5 -0.66| 8.0 -5.3 2500 26 14 61 6| 3.2 2.9 6.1| 0.0 -51.8 -51.8 -20.7 -0.71| 7.8 -5.6 3000 21 14 51 5| 2.7 3.0 5.7| 0.0 -62.2 -62.2 -20.7 -0.74| 7.6 -5.6 4000 5 13 7 4| 2.0 2.7 4.7| 0.0 -71.1 -71.1 -17.8 -0.73| 6.3 -4.6 5000 350 13 317 5| 1.6 2.5 4.1| 0.0 -84.4 -84.4 -16.9 -0.73| 5.6 -4.1 6000 335 13 288 7| 1.3 2.2 3.5| 1.6 -94.5 -92.9 -15.5 -0.73| 4.9 -3.6 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20251208.12.gif