UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102012.upa.cvt Date: 1200Z 20 OCT 25 Searching for LT220... Searching the city database file for: LT220 ... Date:1200Z 20 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 1013 24 19.8 13.8 68 6.0 16.0 300 4 291.9 293.6 288.6 319.8 9.83 1 1000 135 18.6 12.6 68 6.0 14.9 310 5 291.8 293.4 288.1 317.9 9.20 2 925 808 15.0 9.0 67 6.0 11.5 100 3 294.6 296.0 287.8 317.2 7.81 3 919 863 15.0 9.0 67 6.0 11.4 88 3 295.2 296.6 288.1 317.9 7.86 4 850 1513 11.0 1.0 50 10.0 5.9 305 3 297.7 298.5 286.1 312.0 4.84 5 783 2193 6.4 0.4 65 6.0 3.4 294 8 299.8 300.7 287.1 314.9 5.03 6 718 2899 1.8 -1.1 81 2.9 0.4 283 13 302.3 303.2 287.8 317.1 4.92 7 700 3104 0.8 -2.9 76 3.7 -0.9 280 14 303.4 304.2 287.7 316.8 4.41 8 689 3231 0.4 -4.0 72 4.4 -1.6 280 15 304.3 305.1 287.8 317.0 4.13 9 646 3746 -3.3 -7.4 73 4.1 -5.0 279 20 305.8 306.4 287.5 316.3 3.39 10 602 4303 -5.7 -10.7 68 5.0 -7.7 278 26 309.2 309.8 288.1 318.2 2.81 11 592 4434 -6.3 -13.3 58 7.0 -8.8 278 27 310.0 310.5 287.9 317.5 2.32 12 500 5740 -13.5 -30.5 22 17.0 -17.1 275 40 316.6 316.7 288.3 318.7 0.60 13 481 6034 -15.7 -28.7 32 13.0 -18.6 274 42 317.4 317.5 288.8 320.0 0.74 14 477 6097 -16.5 -27.5 38 11.0 -19.0 274 42 317.2 317.3 288.8 320.1 0.84 15 400 7400 -25.7 -31.7 57 6.0 -26.7 270 50 321.6 321.7 290.0 324.0 0.67 16 384 7695 -27.9 -32.9 62 5.0 -28.7 269 52 322.5 322.6 290.2 324.7 0.62 17 360 8155 -31.7 -36.5 62 4.8 -32.3 268 55 323.4 323.5 290.3 325.1 0.47 18 323 8914 -37.3 -47.3 35 10.0 -38.0 266 61 325.8 325.9 290.7 326.5 0.17 19 300 9420 -41.5 -52.5 29 11.0 -42.1 265 65 326.9 326.9 290.9 327.3 0.10 20 250 10630 -52.3 -59.3 43 7.0 -52.5 250 59 328.3 328.3 291.3 328.5 0.05 21 212 11670 -61.1 255 71 330.5 22 208 11788 -61.3 255 76 331.9 23 201 11999 -61.7 264 75 334.6 24 200 12030 -62.3 265 75 334.1 25 167 13156 -59.1 262 62 357.1 26 160 13425 -59.5 261 59 360.8 27 150 13830 -59.9 260 54 366.9 28 115 15485 -62.3 267 50 391.4 29 100 16350 -62.5 270 48 407.0 30 72 18394 -59.5 247 43 453.4 31 70 18570 -59.9 245 43 456.2 32 59 19632 -62.3 260 43 473.7 33 50 20660 -60.3 275 43 501.4 34 49 20786 -59.1 507.1 TRP 212 11670 -61.1 255 71 330.5 WND 208 11788 -61.3 255 76 331.9 Sounding variables and indices 1000-500 mb thick: 5605.00 m Freezing level: 684.35 mb = 3287.04 m = 10784.13 ft Wetbulb zero: 712.81 mb = 2957.71 m = 9703.64 ft Precipitable water: 1.04 inches Sfc-500 mean rel hum: 60.77 % Est. max temperature: 25.14 C = 77.25 F Sfc-Lift cond lev (LCL): 926.88 mb = 790.49 m = 2593.45 ft T: 15.09 C 700-500 lapse rate: 5.42 C/km ThetaE index: 5.91 C Layer 850.0- 783.0 mb Conv cond level (CCL): 810.74 mb = 1904.74 m = 6249.08 ft Mean mixing ratio: 8.54 g/kg Conv temperature: 26.87 C = 80.36 F Cap Strength: 3.19 C Lifted Index: 4.18 C Risk: None Lifted Index @300 mb: 6.88 C Lifted Index @700 mb: 1.37 C Showalter Index: 7.54 C Risk: None Total Totals Index: 39.00 C Risk: None Vertical Totals Index: 24.50 C Cross Totals Index: 14.50 C K Index: 21.80 Risk: 20-40 % chance of thunderstorms Sweat Index: 58.00 Risk: None Energy Index: 1.44 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.30 J/kg Max Up Vert Vel: 3.82 m/s Conv Inhibition (B-): 20678.48 J/kg Cap Strength: 3.92 C Lift Cond Lev (LCL): 879.86 mb = 1225.30 m = 4019.95 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 308 at 13 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 1013 24 300 4 3.5 -2.0 | 132 9 -6.7 6.0 1 1000 135 310 5 3.8 -3.2 | 127 8 -6.4 4.8 2 925 808 100 3 -3.0 0.5 | 123 16 -13.1 8.5 3 850 1513 305 3 2.5 -1.7 | 129 10 -7.7 6.2 4 700 3104 280 14 13.8 -2.4 | 213 7 3.6 5.5 5 500 5740 275 40 39.8 -3.5 | 261 30 29.7 4.5 6 400 7400 270 50 50.0 -0.0 | 259 41 39.8 8.0 7 300 9420 265 65 64.8 5.7 | 256 56 54.6 13.6 8 250 10630 250 59 55.4 20.2 | 238 53 45.2 28.1 9 212 11670 255 71 68.6 18.4 | 246 64 58.4 26.3 10 208 11788 255 76 73.4 19.7 | 246 69 63.2 27.6 11 200 12030 265 75 74.7 6.5 | 257 66 64.5 14.5 12 150 13830 260 54 53.2 9.4 | 248 46 43.0 17.3 13 100 16350 270 48 48.0 -0.0 | 258 39 37.8 8.0 14 70 18570 245 43 39.0 18.2 | 228 39 28.8 26.1 15 50 20660 275 43 42.8 -3.7 | 263 33 32.6 4.2 Wind Parameters Mean winds (0-6000m): 278.0 at 17.3 knts Storm direction: 308.0 at 12.9 knts Shear (0-3000m) pos: 1.0 neg: 2.7 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 77.7 deg Storm rel helicity (0-3000m) pos: 31.4 neg: -15.4 tot: 16.0 m^2/s^2 ave: 5.3 10^-3 m/s^2 rel: 0.27 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.24 Bulk Shear: 30.93 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 ------------------------------------------------------------------------------- 500 335 4 115 9| 6.0 0.0 6.0| 1.4 -8.0 -6.5 -13.0 -0.37| 8.2 -3.1 1000 355 4 113 11| 3.0 0.0 3.0| 12.4 -14.3 -1.9 -1.9 -0.13| 7.1 -0.9 1500 342 4 117 10| 2.0 1.7 3.7| 19.7 -15.4 4.3 2.8 0.03| 6.7 0.2 2000 317 4 124 9| 1.5 2.1 3.6| 22.5 -15.4 7.1 3.5 0.08| 5.9 0.5 2500 302 5 131 8| 1.2 2.5 3.7| 26.8 -15.4 11.4 4.5 0.18| 5.5 1.0 3000 291 6 141 7| 1.0 2.7 3.7| 31.4 -15.4 16.0 5.3 0.27| 5.2 1.4 4000 284 9 165 6| 0.8 3.2 4.0| 46.0 -15.4 30.6 7.6 0.36| 5.2 1.9 5000 280 13 203 6| 0.6 3.6 4.2| 59.0 -15.4 43.6 8.7 0.34| 5.2 1.8 6000 278 17 231 9| 0.5 3.8 4.3| 66.0 -16.9 49.0 8.2 0.31| 5.1 1.5 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20251020.12.gif