UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for U4908... Searching the city database file for: U4908 ... Date:1200Z 18 OCT 25 Station: U4908 WMO ident: 24908 Latitude: 60.33 Longitude: 102.27 ------------------------------------------------------------------------------- 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 1005 260 -3.9 -7.2 78 3.3 -5.0 305 1 268.9 269.2 267.9 274.9 2.21 1 1000 300 -1.5 -5.9 72 4.4 -3.0 315 9 271.6 272.1 270.1 278.4 2.46 2 996 332 -1.3 -6.2 69 4.9 -3.0 317 9 272.2 272.6 270.4 278.8 2.41 3 953 682 -3.9 -11.9 54 8.0 -6.2 337 11 273.0 273.3 269.6 277.5 1.61 4 925 918 -2.1 -14.1 39 12.0 -5.5 350 13 277.2 277.4 271.8 281.2 1.39 5 912 1031 -0.9 -15.9 31 15.0 -5.1 355 14 279.5 279.7 272.9 283.1 1.21 6 886 1262 -0.3 -5.3 69 5.0 -2.2 5 16 282.5 283.0 277.0 290.7 2.90 7 871 1398 -0.9 -5.5 71 4.6 -2.7 11 17 283.2 283.7 277.4 291.5 2.91 8 850 1593 -1.7 -6.4 70 4.7 -3.4 20 19 284.4 284.8 277.8 292.4 2.78 9 776 2310 -7.1 -11.5 71 4.4 -8.5 20 25 286.1 286.4 277.7 292.1 2.04 10 760 2472 -7.7 -14.7 57 7.0 -9.7 20 26 287.1 287.4 277.6 291.9 1.61 11 700 3107 -11.7 -16.3 69 4.6 -12.9 20 31 289.5 289.8 278.7 294.1 1.53 12 640 3788 -14.9 -18.1 77 3.2 -15.7 20 33 293.4 293.7 280.4 297.8 1.44 13 630 3907 -15.1 -18.2 77 3.1 -15.9 20 33 294.5 294.8 280.9 299.0 1.45 14 608 4175 -15.7 -20.3 68 4.6 -16.8 20 34 296.8 297.0 281.7 300.8 1.25 15 513 5434 -24.1 -40.1 21 16.0 -25.9 20 37 301.4 301.5 282.3 302.2 0.23 16 500 5620 -25.7 -39.7 26 14.0 -27.2 20 38 301.7 301.7 282.4 302.5 0.24 17 474 6005 -27.9 -35.9 46 8.0 -28.9 21 38 303.6 303.7 283.4 304.9 0.38 18 466 6127 -28.7 -35.7 51 7.0 -29.5 22 38 304.1 304.2 283.6 305.4 0.39 19 400 7200 -37.3 -42.3 60 5.0 -37.7 25 38 306.5 306.6 284.3 307.3 0.23 20 345 8203 -45.5 -50.4 58 4.9 -45.7 20 43 308.6 308.7 284.9 309.0 0.11 21 300 9120 -52.3 -57.0 57 4.7 -52.4 15 48 311.6 311.6 286.0 311.8 0.06 22 250 10280 -60.7 -65.2 55 4.5 -60.7 25 48 315.8 315.8 287.4 315.9 0.02 23 231 10768 -64.1 -68.5 55 4.4 -64.1 317.9 317.9 288.1 317.9 0.02 TRP WND Sounding variables and indices 1000-500 mb thick: 5320.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.35 inches Sfc-500 mean rel hum: 58.74 % Est. max temperature: 11.34 C = 52.42 F Sfc-Lift cond lev (LCL): 953.95 mb = 673.98 m = 2211.18 ft T: -3.84 C 700-500 lapse rate: 5.57 C/km ThetaE index: 1.28 C Layer 953.0- 925.0 mb Conv cond level (CCL): 597.42 mb = 4304.92 m = 14123.57 ft Mean mixing ratio: 1.75 g/kg Conv temperature: 24.59 C = 76.25 F Cap Strength: 18.65 C Lifted Index: 18.69 C Risk: None Lifted Index @300 mb: 22.86 C Lifted Index @700 mb: 11.42 C Showalter Index: 8.73 C Risk: None Total Totals Index: 43.30 C Risk: None Vertical Totals Index: 24.00 C Cross Totals Index: 19.30 C K Index: 13.00 Risk: None Sweat Index: 76.00 Risk: None Energy Index: 2.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.83 J/kg Max Up Vert Vel: 8.10 m/s Conv Inhibition (B-): 7067.39 J/kg Cap Strength: 18.68 C Lift Cond Lev (LCL): 834.61 mb = 1736.81 m = 5698.12 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 48 at 21 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 1005 260 305 1 0.8 -0.6 | 230 21 16.4 13.5 1 1000 300 315 9 6.4 -6.4 | 251 23 21.9 7.7 2 925 918 350 13 2.3 -12.8 | 266 18 17.8 1.3 3 850 1593 20 19 -6.5 -17.9 | 293 10 9.1 -3.8 4 700 3107 20 31 -10.6 -29.1 | 342 16 5.0 -15.0 5 500 5620 20 38 -13.0 -35.7 | 353 22 2.6 -21.6 6 400 7200 25 38 -16.1 -34.4 | 1 20 -0.5 -20.3 7 300 9120 15 48 -12.4 -46.4 | 354 32 3.1 -32.3 8 250 10280 25 48 -20.3 -43.5 | 9 30 -4.7 -29.4 Wind Parameters Mean winds (0-6000m): 17.8 at 28.0 knts Storm direction: 47.8 at 21.0 knts Shear (0-3000m) pos: 3.4 neg: 1.9 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 112.2 deg Storm rel helicity (0-3000m) pos: 131.0 neg: 0.0 tot: 131.0 m^2/s^2 ave: 43.7 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 5.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.48 Bulk Shear: 67.77 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 ------------------------------------------------------------------------------- 500 329 10 255 21| 11.5 0.0 11.5| 68.3 0.0 68.3 136.6 0.89| 13.8 12.4 1000 345 12 262 19| 8.0 0.0 8.0| 88.8 0.0 88.8 88.8 0.81| 10.6 8.5 1500 359 14 270 16| 6.9 0.0 6.9|102.2 0.0 102.2 68.1 0.78| 9.3 7.2 2000 7 16 278 14| 5.2 1.0 6.2|112.5 0.0 112.5 56.2 0.80| 8.0 6.4 2500 11 18 287 13| 4.1 1.6 5.8|122.8 0.0 122.8 49.1 0.79| 7.2 5.7 3000 13 20 297 12| 3.4 1.9 5.3|131.0 0.0 131.0 43.7 0.78| 6.6 5.1 4000 16 23 312 12| 2.6 1.8 4.4|138.2 0.0 138.2 34.6 0.77| 5.3 4.1 5000 17 26 323 13| 2.1 1.7 3.8|145.5 0.0 145.5 29.1 0.75| 4.5 3.4 6000 18 28 331 14| 1.8 1.4 3.2|154.9 0.0 154.9 25.8 0.75| 4.0 3.0 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20251018.12.gif