UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120312.upa.cvt Date: 1200Z 3 DEC 25 Searching for U4908... Searching the city database file for: U4908 ... Date:1200Z 3 DEC 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 ------------------------------------------------------------------------------- 0 1000 55 SFC 974 262 -5.7 -6.4 95 0.7 -5.9 215 5 269.5 269.9 268.7 276.0 2.43 2 925 665 -8.1 -10.7 82 2.6 -8.8 245 35 271.0 271.3 268.7 276.1 1.82 3 850 1317 -11.5 -14.2 80 2.7 -12.2 270 29 274.1 274.3 270.1 278.3 1.50 4 745 2316 -17.3 -20.0 79 2.7 -17.9 277 32 278.3 278.5 271.9 281.4 1.05 5 719 2582 -17.9 -20.6 79 2.7 -18.4 279 32 280.5 280.7 273.2 283.6 1.03 6 700 2783 -16.9 -19.5 80 2.6 -17.4 280 33 283.8 284.0 275.2 287.3 1.16 7 690 2891 -15.9 -18.4 81 2.5 -16.5 281 34 286.1 286.3 276.6 289.9 1.30 8 594 4006 -21.3 -24.4 76 3.1 -21.9 287 45 292.3 292.5 279.1 295.1 0.89 9 500 5250 -31.1 -34.5 72 3.4 -31.4 295 58 295.1 295.2 279.8 296.5 0.41 10 404 6723 -43.9 -47.2 70 3.3 -44.0 300 58 297.1 297.1 280.3 297.6 0.13 11 400 6790 -44.5 -47.8 69 3.3 -44.6 300 58 297.2 297.2 280.3 297.6 0.13 12 300 8660 -58.7 -62.1 65 3.4 -58.7 305 64 302.6 302.6 282.5 302.7 0.03 13 265 9427 -64.1 -67.5 64 3.3 -64.2 300 66 305.6 305.6 283.7 305.6 0.02 14 250 9780 -66.7 -70.0 63 3.3 -66.7 305 60 306.9 306.9 284.2 307.0 0.01 15 244 9927 -67.9 -71.2 63 3.3 -67.9 305 56 307.2 307.3 284.3 307.3 0.01 16 237 10103 -66.9 -70.3 62 3.4 -66.9 304 55 311.3 311.3 285.8 311.4 0.01 17 236 10128 -66.3 -69.7 62 3.4 -66.3 304 55 312.6 312.6 286.3 312.7 0.01 18 200 11140 -63.5 -66.9 63 3.4 -63.6 300 52 332.2 332.2 292.3 332.3 0.02 19 150 12910 -62.1 -65.6 63 3.5 -62.1 310 40 363.1 363.1 299.3 363.3 0.04 20 147 13035 -61.5 -65.1 62 3.6 -61.6 310 40 366.2 366.2 299.9 366.4 0.04 21 100 15410 -64.1 -67.8 60 3.7 -64.2 315 40 403.9 403.9 305.7 404.1 0.04 22 89 16124 -64.5 -68.3 59 3.8 -64.6 310 42 416.8 416.8 307.3 417.0 0.04 23 70 17580 -68.1 -71.9 58 3.8 -68.2 300 46 438.7 438.7 309.8 438.9 0.03 24 50 19580 -72.3 -76.1 56 3.8 -72.3 305 38 473.1 473.1 312.9 473.3 0.02 25 41 20742 -74.1 -77.9 56 3.8 -74.2 496.3 496.3 314.7 496.4 0.02 TRP 244 9927 -67.9 -71.2 63 3.3 -67.9 305 56 307.2 307.3 284.3 307.3 0.01 WND 265 9427 -64.1 -67.5 64 3.3 -64.2 300 66 305.6 305.6 283.7 305.6 0.02 Sounding variables and indices 1000-500 mb thick: 5195.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 78.82 % Est. max temperature: -0.11 C = 31.79 F Sfc-Lift cond lev (LCL): 963.05 mb = 350.05 m = 1148.45 ft T: -6.23 C 700-500 lapse rate: 5.76 C/km ThetaE index: 0.00 C Layer 974.0-119422827978414792822210217115648.0 mb Conv cond level (CCL): 858.79 mb = 1237.68 m = 4060.58 ft Mean mixing ratio: 1.91 g/kg Conv temperature: -1.48 C = 29.34 F Cap Strength: 14.48 C Lifted Index: 15.61 C Risk: None Lifted Index @300 mb: 18.51 C Lifted Index @700 mb: 8.45 C Showalter Index: 14.11 C Risk: None Total Totals Index: 36.50 C Risk: None Vertical Totals Index: 19.60 C Cross Totals Index: 16.90 C K Index: 2.80 Risk: None Sweat Index: 116.00 Risk: None Energy Index: 3.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.92 J/kg Max Up Vert Vel: 5.28 m/s Conv Inhibition (B-): 34152.16 J/kg Cap Strength: 15.60 C Lift Cond Lev (LCL): 892.75 mb = 938.67 m = 3079.57 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 315 at 31 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 ---------------------------------------------------------- 0 974 262 215 5 2.9 4.1 | 144 32 -19.0 25.8 1 925 665 245 35 31.7 14.8 | 195 38 9.8 36.5 2 850 1317 270 29 29.0 -0.0 | 198 23 7.1 21.7 3 700 2783 280 33 32.5 -5.7 | 213 19 10.6 16.0 4 500 5250 295 58 52.6 -24.5 | 275 31 30.7 -2.8 5 400 6790 300 58 50.2 -29.0 | 284 29 28.3 -7.3 6 300 8660 305 64 52.4 -36.7 | 296 34 30.5 -15.0 7 265 9427 300 66 57.2 -33.0 | 288 37 35.3 -11.3 8 250 9780 305 60 49.1 -34.4 | 295 30 27.2 -12.7 9 244 9927 305 56 45.9 -32.1 | 293 26 24.0 -10.4 10 200 11140 300 52 45.0 -26.0 | 280 24 23.1 -4.3 11 150 12910 310 40 30.6 -25.7 | 294 10 8.7 -4.0 12 100 15410 315 40 28.3 -28.3 | 316 9 6.4 -6.5 13 70 17580 300 46 39.8 -23.0 | 274 18 17.9 -1.3 14 50 19580 305 38 31.1 -21.8 | 270 9 9.2 -0.1 Wind Parameters Mean winds (0-6000m): 284.8 at 41.2 knts Storm direction: 314.8 at 30.9 knts Shear (0-3000m) pos: 6.2 neg: 0.0 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 84.8 deg Storm rel helicity (0-3000m) pos: 366.3 neg: -0.5 tot: 365.8 m^2/s^2 ave: 121.9 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 7.6 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.13 Bulk Shear: 107.91 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 ------------------------------------------------------------------------------- 500 243 23 177 32| 30.9 0.0 30.9|297.8 0.0 297.8 595.5 0.94| 35.2 33.1 1000 251 27 187 31| 13.8 0.0 13.8|309.3 -0.5 308.7 308.7 0.73| 23.6 17.2 1500 258 28 191 28| 9.6 0.0 9.6|318.3 -0.5 317.8 211.9 0.72| 16.8 12.0 2000 263 29 195 26| 7.6 0.0 7.6|329.0 -0.5 328.5 164.2 0.72| 13.2 9.5 2500 266 30 198 25| 6.4 0.0 6.4|339.5 -0.5 339.0 135.6 0.73| 11.0 8.0 3000 269 30 201 24| 6.2 0.0 6.2|366.3 -0.5 365.8 121.9 0.75| 10.1 7.6 4000 275 34 211 22| 6.0 0.0 6.0|425.6 -0.5 425.0 106.3 0.78| 9.0 7.0 5000 281 38 226 21| 5.9 0.0 5.9|493.8 -0.5 493.3 98.7 0.78| 8.4 6.6 6000 285 41 238 21| 4.9 0.0 4.9|518.8 -0.5 518.2 86.4 0.79| 7.3 5.7 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20251203.12.gif