UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011712.upa.cvt Date: 1200Z 17 JAN 26 Searching for LGAT... Searching the city database file for: LGAT ... Date:1200Z 17 JAN 26 Station: LGAT WMO ident: 16716 Latitude: 37.90 Longitude: 23.73 Elevation: 15.00 ------------------------------------------------------------------------------- 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 1017 15 11.2 2.2 54 9.0 6.9 0 0 283.0 283.7 279.2 295.3 4.40 1 1000 184 9.2 3.2 66 6.0 6.3 5 19 282.4 283.2 279.4 295.8 4.81 2 986 300 7.8 2.8 71 5.0 5.4 8 20 282.1 282.9 279.2 295.3 4.74 3 925 822 2.8 1.3 90 1.5 2.1 20 24 282.2 283.0 279.0 294.8 4.54 4 916 901 2.0 0.9 92 1.1 1.5 15 22 282.1 282.9 278.9 294.6 4.45 5 910 954 1.6 0.8 94 0.8 1.3 12 21 282.3 283.0 278.9 294.7 4.45 6 890 1133 0.2 -0.4 96 0.6 -0.0 2 17 282.6 283.3 278.7 294.3 4.17 7 858 1427 -0.7 -1.3 96 0.6 -1.0 344 11 284.6 285.4 279.6 296.1 4.05 8 850 1502 1.2 -1.7 81 2.9 -0.1 340 9 287.4 288.1 280.8 298.8 3.97 9 835 1645 1.0 -3.4 72 4.4 -0.9 334 9 288.7 289.3 280.9 299.0 3.56 10 789 2098 -1.7 -7.7 64 6.0 -4.0 315 8 290.5 291.0 280.7 298.5 2.71 11 732 2690 -5.5 -11.5 63 6.0 -7.5 290 7 292.6 293.0 281.0 299.1 2.16 12 700 3039 -8.3 -13.0 69 4.7 -9.8 275 6 293.3 293.7 281.1 299.4 2.01 13 664 3446 -11.7 -13.2 89 1.5 -12.2 281 8 293.9 294.3 281.4 300.2 2.08 14 651 3598 -10.7 -19.7 48 9.0 -13.0 284 9 296.7 297.0 281.6 300.6 1.23 15 645 3669 -10.3 -24.3 31 14.0 -13.5 285 9 298.0 298.1 281.6 300.6 0.83 16 621 3960 -11.9 -29.9 21 18.0 -15.4 289 11 299.4 299.5 281.8 301.1 0.51 17 602 4197 -13.9 -32.9 18 19.0 -17.1 293 12 299.7 299.8 281.8 301.1 0.40 18 500 5580 -23.5 -44.5 13 21.0 -25.6 315 20 304.4 304.4 283.4 304.9 0.15 19 400 7180 -34.7 -47.7 26 13.0 -35.5 285 20 309.9 309.9 285.4 310.4 0.13 20 379 7554 -36.9 -46.9 35 10.0 -37.5 285 21 311.8 311.8 286.2 312.3 0.15 21 339 8313 -44.1 -46.5 77 2.4 -44.2 285 22 312.1 312.1 286.3 312.7 0.17 22 320 8697 -46.9 -60.9 19 14.0 -47.3 285 22 313.4 313.4 286.6 313.5 0.03 23 300 9120 -50.9 -57.9 43 7.0 -51.1 285 23 313.6 313.6 286.6 313.8 0.05 24 284 9475 -52.7 -65.7 19 13.0 -52.9 277 28 316.0 316.0 287.5 316.1 0.02 25 273 9729 -54.9 -63.9 32 9.0 -55.1 271 32 316.4 316.4 287.6 316.5 0.03 26 254 10189 -56.1 -69.1 18 13.0 -56.3 260 39 321.2 321.2 289.1 321.3 0.01 27 250 10290 -54.9 -68.9 16 14.0 -55.1 260 44 324.4 324.4 290.1 324.5 0.01 28 231 10796 -53.9 -74.9 6 21.0 -54.2 264 47 333.4 333.4 292.6 333.4 0.01 29 200 11730 -50.1 -82.1 1 32.0 -50.6 270 52 353.4 353.4 297.4 353.4 0.00 30 194 11929 -49.5 -82.5 1 33.0 -50.0 270 57 357.5 357.5 298.2 357.5 0.00 31 180 12417 -51.1 -83.5 1 32.4 -51.5 270 69 362.7 362.7 299.2 362.7 0.00 32 150 13590 -54.9 -85.9 1 31.0 -55.3 270 63 375.5 375.5 301.5 375.5 0.00 33 101 16088 -60.5 -89.5 1 29.0 -60.8 280 48 409.7 409.7 306.5 409.7 0.00 34 100 16150 -60.9 -89.9 1 29.0 -61.2 280 48 410.1 410.1 306.5 410.1 0.00 35 70 18350 -62.9 -91.9 1 29.0 -63.2 285 28 449.8 449.8 310.8 449.8 0.00 36 50 20420 -63.3 -92.3 1 29.0 -63.7 285 19 494.3 494.3 314.5 494.3 0.00 37 43 21353 -63.9 -91.9 1 28.0 -64.3 284 14 514.6 514.6 315.9 514.6 0.00 38 30 23590 -60.5 -89.5 1 29.0 -61.4 280 2 579.7 579.7 319.6 579.7 0.00 39 28 24023 -60.1 -89.1 1 29.0 -61.1 259 3 592.4 592.4 320.3 592.4 0.00 40 22 25574 -49.1 -82.1 1 33.0 -52.6 184 8 667.4 667.4 323.3 667.6 0.02 41 20 26200 -50.1 -83.1 1 33.0 -53.5 155 10 682.8 682.8 323.9 683.0 0.02 42 10 30830 -42.3 -77.3 1 35.0 -51.3 135 13 861.6 861.7 328.7 862.7 0.10 43 9.2 31397 -39.9 -75.9 1 36.0 -50.5 891.6 891.7 329.3 893.1 0.14 TRP 254 10189 -56.1 -69.1 18 13.0 -56.3 260 39 321.2 321.2 289.1 321.3 0.01 WND 180 12417 -51.1 -83.5 1 32.4 -51.5 270 69 362.7 362.7 299.2 362.7 0.00 Sounding variables and indices 1000-500 mb thick: 5396.00 m Freezing level: 882.89 mb = 1198.43 m = 3931.79 ft Freezing level: 855.05 mb = 1454.48 m = 4771.86 ft Freezing level: 817.96 mb = 1812.84 m = 5947.57 ft Wetbulb zero: 890.60 mb = 1127.74 m = 3699.89 ft Precipitable water: 0.53 inches Sfc-500 mean rel hum: 53.91 % Est. max temperature: 12.29 C = 54.12 F Sfc-Lift cond lev (LCL): 887.03 mb = 1160.03 m = 3805.82 ft T: 0.12 C 700-500 lapse rate: 5.98 C/km ThetaE index: 1.18 C Layer 986.0- 910.0 mb Conv cond level (CCL): 905.78 mb = 991.67 m = 3253.46 ft Mean mixing ratio: 4.64 g/kg Conv temperature: 10.55 C = 50.98 F Cap Strength: 7.30 C Lifted Index: 8.88 C Risk: None Lifted Index @300 mb: 13.12 C Lifted Index @700 mb: 3.98 C Showalter Index: 6.30 C Risk: None Total Totals Index: 46.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 21.80 C K Index: 18.30 Risk: < 20 % chance of thunderstorms Sweat Index: 38.00 Risk: None Energy Index: 1.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.42 J/kg Max Up Vert Vel: 2.20 m/s Conv Inhibition (B-): 2.61 J/kg Cap Strength: 8.74 C Lift Cond Lev (LCL): 907.13 mb = 979.68 m = 3214.13 ft Lev Free Conv (LFC): 892.13 mb = 1113.93 m = 3654.59 ft Equ Level (EL): 882.13 mb = 1204.39 m = 3951.36 ft B at Equ Level: 2.26 J/kg Max Parcel Lev (MPL): 862.13 mb = 1388.25 m = 4554.58 ft Wind level data Storm motion: 358 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 1017 15 0 0 -0.0 -0.0 | 178 10 -0.4 10.0 1 1000 184 5 19 -1.7 -18.9 | 13 9 -2.0 -9.0 2 925 822 20 24 -8.2 -22.6 | 34 15 -8.6 -12.6 3 850 1502 340 9 3.1 -8.5 | 241 3 2.7 1.5 4 700 3039 275 6 6.0 -0.5 | 211 11 5.6 9.4 5 500 5580 315 20 14.1 -14.1 | 287 14 13.8 -4.2 6 400 7180 285 20 19.3 -5.2 | 256 20 19.0 4.8 7 300 9120 285 23 22.2 -6.0 | 260 22 21.8 4.0 8 254 10189 260 39 38.4 6.8 | 246 42 38.0 16.7 9 250 10290 260 44 43.3 7.6 | 248 46 43.0 17.6 10 200 11730 270 52 52.0 -0.0 | 259 53 51.6 10.0 11 180 12417 270 69 69.0 -0.0 | 262 69 68.6 10.0 12 150 13590 270 63 63.0 -0.0 | 261 63 62.6 10.0 13 100 16150 280 48 47.3 -8.3 | 268 47 46.9 1.6 14 70 18350 285 28 27.0 -7.2 | 264 27 26.7 2.7 15 50 20420 285 19 18.4 -4.9 | 254 19 18.0 5.0 16 30 23590 280 2 2.0 -0.3 | 189 10 1.6 9.6 17 20 26200 155 10 -4.2 9.1 | 166 20 -4.6 19.0 18 10 30830 135 13 -9.2 9.2 | 153 21 -9.6 19.2 Wind Parameters Mean winds (0-6000m): 327.9 at 13.3 knts Storm direction: 357.9 at 10.0 knts Shear (0-3000m) pos: 3.7 neg: 4.0 tot: 7.7 10-3/s Storm rel Dir Shear (0-3000m): 33.3 deg Storm rel helicity (0-3000m) pos: 13.8 neg: -34.7 tot: -20.9 m^2/s^2 ave: -7.0 10^-3 m/s^2 rel: -0.48 Storm rel vorticity (0-3000m) horiz: 10.3 stream: -5.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.15 Bulk Shear: 16.33 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 8 17 23 8| 22.2 0.0 22.2| 5.9 -4.2 1.7 3.4 -0.51| 28.9-14.8 1000 13 20 27 11| 11.1 1.2 12.3| 13.8 -14.9 -1.1 -1.1 -0.41| 19.4 -7.9 1500 11 18 27 9| 7.4 5.1 12.5| 13.8 -26.3 -12.5 -8.3 -0.49| 17.5 -8.6 2000 6 16 19 6| 5.6 4.7 10.2| 13.8 -27.3 -13.5 -6.8 -0.48| 14.0 -6.6 2500 1 14 7 4| 4.4 4.3 8.8| 13.8 -30.1 -16.3 -6.5 -0.48| 11.8 -5.6 3000 356 13 351 3| 3.7 4.0 7.7| 13.8 -34.7 -20.9 -7.0 -0.48| 10.3 -5.0 4000 344 12 293 3| 3.1 3.0 6.1| 31.1 -34.7 -3.6 -0.9 -0.35| 8.4 -3.0 5000 333 12 279 5| 3.1 2.4 5.5| 53.0 -34.7 18.4 3.7 -0.23| 7.5 -1.7 6000 328 13 281 7| 2.9 2.2 5.1| 67.2 -43.8 23.3 3.9 -0.19| 6.8 -1.3 Wrote GIF file: /home/apache/climate/data/raob//LGAT/skewt/LGAT.skewt.20260117.12.gif