UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for LT220... Searching the city database file for: LT220 ... Date:0000Z 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 1009 21 11.6 7.9 78 3.7 9.6 150 4 284.0 285.2 282.4 302.4 6.63 1 1000 96 11.6 6.6 71 5.0 8.9 65 6 284.8 285.8 282.1 301.8 6.11 2 953 500 9.6 4.6 71 5.0 7.1 50 7 286.7 287.6 282.4 302.4 5.58 3 925 749 9.0 4.7 74 4.3 6.8 40 8 288.5 289.5 283.4 305.0 5.79 4 879 1169 7.6 3.7 76 3.9 5.6 43 9 291.3 292.3 284.4 307.6 5.68 5 850 1444 5.4 2.1 79 3.3 3.8 45 10 291.8 292.7 284.2 306.9 5.24 6 804 1897 2.0 0.9 92 1.1 1.5 29 10 292.9 293.8 284.4 307.6 5.08 7 738 2587 0.0 -2.8 81 2.8 -1.3 5 9 297.9 298.7 285.5 310.5 4.22 8 700 3008 -4.3 -5.8 89 1.5 -4.9 350 9 297.7 298.4 284.7 308.4 3.54 9 657 3506 -6.9 -10.2 77 3.3 -8.1 338 9 300.2 300.7 284.7 308.5 2.68 10 524 5233 -19.7 -24.7 64 5.0 -20.7 294 8 304.9 305.1 284.6 308.1 0.98 11 500 5580 -21.9 -28.9 53 7.0 -23.1 285 8 306.3 306.5 284.8 308.7 0.70 12 482 5849 -23.5 -33.5 39 10.0 -25.0 277 8 307.6 307.7 285.0 309.2 0.47 13 448 6379 -28.3 -39.3 34 11.0 -29.5 260 9 308.1 308.1 284.9 309.1 0.28 14 400 7180 -35.1 -43.1 44 8.0 -35.7 235 10 309.4 309.4 285.4 310.1 0.21 15 300 9120 -52.1 -57.1 55 5.0 -52.2 245 14 311.9 311.9 286.1 312.1 0.06 16 296 9206 -52.5 -58.5 48 6.0 -52.7 246 14 312.5 312.6 286.3 312.7 0.05 17 256 10123 -59.7 260 13 315.2 18 250 10270 -60.1 245 12 316.7 19 245 10397 -60.5 250 13 318.0 20 200 11680 -57.5 305 20 341.7 21 155 13301 -56.1 301 28 369.9 22 150 13510 -56.3 300 29 373.1 23 109 15530 -59.9 292 26 402.0 24 100 16070 -60.3 290 25 411.2 25 85 17082 -60.5 279 25 430.4 26 70 18300 -57.3 265 25 461.8 27 59 19380 -57.7 265 29 484.0 28 50 20420 -59.7 265 32 502.8 29 45 21077 -59.9 262 36 517.7 30 30 23610 -59.1 250 51 583.5 31 26 24510 -58.3 255 64 610.2 32 20 26160 -58.9 265 88 655.9 33 18 26822 -61.1 265 93 669.0 34 12 29394 -54.5 265 114 774.6 35 10 30570 -53.1 265 123 821.3 36 9.0 31251 -52.1 265 123 850.3 37 8.8 31396 -51.9 856.6 TRP 256 10123 -59.7 260 13 315.2 WND 9.0 31251 -52.1 265 123 850.3 Sounding variables and indices 1000-500 mb thick: 5484.00 m Freezing level: 738.00 mb = 2587.01 m = 8487.48 ft Wetbulb zero: 768.42 mb = 2261.54 m = 7419.66 ft Precipitable water: 0.82 inches Sfc-500 mean rel hum: 76.21 % Est. max temperature: 19.24 C = 66.64 F Sfc-Lift cond lev (LCL): 954.11 mb = 490.25 m = 1608.43 ft T: 9.65 C 700-500 lapse rate: 6.84 C/km ThetaE index: 2.17 C Layer 700.0- 657.0 mb Conv cond level (CCL): 817.84 mb = 1757.95 m = 5767.49 ft Mean mixing ratio: 5.83 g/kg Conv temperature: 20.14 C = 68.26 F Cap Strength: 4.96 C Lifted Index: 4.92 C Risk: None Lifted Index @300 mb: 6.36 C Lifted Index @700 mb: 3.36 C Showalter Index: 2.37 C Risk: Showers probable Total Totals Index: 51.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.30 C Cross Totals Index: 24.00 C K Index: 27.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 99.20 Risk: None Energy Index: 0.38 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.46 J/kg Max Up Vert Vel: 6.24 m/s Conv Inhibition (B-): 60010.74 J/kg Cap Strength: 4.88 C Lift Cond Lev (LCL): 891.52 mb = 1052.76 m = 3453.90 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 23 at 6 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 1009 21 150 4 -2.0 3.5 | 183 9 0.5 9.4 1 1000 96 65 6 -5.4 -2.5 | 139 4 -2.9 3.4 2 925 749 40 8 -5.1 -6.1 | 86 3 -2.6 -0.2 3 850 1444 45 10 -7.1 -7.1 | 76 5 -4.5 -1.1 4 700 3008 350 9 1.6 -8.9 | 306 5 4.1 -2.9 5 500 5580 285 8 7.7 -2.1 | 249 11 10.3 3.9 6 400 7180 235 10 8.2 5.7 | 223 16 10.7 11.7 7 300 9120 245 14 12.7 5.9 | 232 19 15.2 11.9 8 256 10123 260 13 12.8 2.3 | 242 17 15.3 8.2 9 250 10270 245 12 10.9 5.1 | 231 17 13.4 11.0 10 200 11680 305 20 16.4 -11.5 | 286 20 18.9 -5.5 11 150 13510 300 29 25.1 -14.5 | 287 29 27.6 -8.6 12 100 16070 290 25 23.5 -8.6 | 276 26 26.0 -2.6 13 70 18300 265 25 24.9 2.2 | 254 29 27.4 8.1 14 50 20420 265 32 31.9 2.8 | 256 35 34.4 8.7 15 30 23610 250 51 47.9 17.4 | 245 56 50.5 23.4 16 20 26160 265 88 87.7 7.7 | 261 91 90.2 13.6 17 10 30570 265 123 122.5 10.7 | 262 126 125.1 16.7 Wind Parameters Mean winds (0-6000m): 353.1 at 8.6 knts Storm direction: 23.1 at 6.4 knts Shear (0-3000m) pos: 0.2 neg: 2.1 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 121.9 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -19.2 tot: -19.2 m^2/s^2 ave: -6.4 10^-3 m/s^2 rel: -0.79 Storm rel vorticity (0-3000m) horiz: 3.8 stream: -3.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.07 Bulk Shear: 9.41 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 60 6 132 4| 0.0 9.2 9.2| 0.0 -9.5 -9.5 -19.0 -0.75| 9.8 -7.4 1000 49 7 112 3| 0.0 5.5 5.5| 0.0 -10.7 -10.7 -10.7 -0.75| 6.0 -4.5 1500 47 8 98 3| 0.4 3.7 4.1| 0.0 -11.4 -11.4 -7.6 -0.71| 4.6 -3.2 2000 43 8 86 3| 0.3 2.9 3.2| 0.0 -14.1 -14.1 -7.1 -0.74| 4.2 -3.1 2500 37 9 71 3| 0.2 2.5 2.7| 0.0 -16.6 -16.6 -6.6 -0.78| 4.0 -3.1 3000 31 9 53 3| 0.2 2.1 2.3| 0.0 -19.2 -19.2 -6.4 -0.79| 3.8 -3.0 4000 18 9 5 2| 0.2 1.6 1.7| 0.0 -24.2 -24.2 -6.0 -0.78| 3.3 -2.6 5000 5 9 328 3| 0.1 1.2 1.4| 0.0 -31.0 -31.0 -6.2 -0.78| 3.1 -2.4 6000 353 9 306 4| 0.1 1.0 1.1| 0.0 -40.1 -40.1 -6.7 -0.78| 2.9 -2.3 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20251208.00.gif