UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120300.upa.cvt Date: 0000Z 3 DEC 25 Searching for U4908... Searching the city database file for: U4908 ... Date:0000Z 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 83 SFC 977 258 -15.9 -17.8 85 1.9 -16.2 200 1 259.0 259.1 258.3 261.6 0.96 2 940 550 -15.3 -18.3 78 3.0 -15.9 253 25 262.5 262.6 261.0 265.1 0.96 3 925 672 -12.3 -15.3 78 3.0 -13.0 275 35 266.7 266.9 264.8 270.2 1.26 4 919 722 -11.5 -14.4 79 2.9 -12.2 276 34 268.0 268.3 265.9 271.8 1.36 5 862 1213 -11.3 -13.9 81 2.6 -11.9 283 28 273.2 273.5 269.6 277.5 1.51 6 850 1321 -11.9 -14.5 81 2.6 -12.5 285 27 273.7 273.9 269.8 277.8 1.46 7 700 2780 -20.5 -23.5 77 3.0 -21.0 305 36 279.8 279.9 272.5 282.2 0.82 8 649 3336 -23.7 -26.8 76 3.1 -24.2 308 37 282.3 282.4 273.6 284.3 0.66 9 500 5190 -37.5 -40.6 73 3.1 -37.7 320 40 287.3 287.4 275.6 288.0 0.22 10 400 6690 -48.7 -51.9 69 3.2 -48.8 325 38 291.7 291.7 277.6 292.0 0.08 11 336 7816 -56.7 -59.9 67 3.2 -56.8 331 42 295.7 295.7 279.4 295.8 0.04 12 300 8530 -59.3 -62.5 66 3.2 -59.3 335 44 301.8 301.8 282.1 301.9 0.03 13 298 8572 -59.3 -62.5 66 3.2 -59.3 335 44 302.3 302.3 282.4 302.4 0.03 14 288 8785 -58.3 -61.6 66 3.3 -58.3 334 45 306.7 306.7 284.1 306.9 0.03 15 282 8917 -58.7 -61.9 66 3.2 -58.7 333 45 308.0 308.0 284.6 308.1 0.03 16 250 9670 -58.5 -61.8 66 3.3 -58.6 330 48 319.1 319.1 288.5 319.2 0.04 17 200 11080 -58.5 -62.0 64 3.5 -58.6 320 40 340.1 340.1 294.4 340.3 0.05 18 150 12880 -60.9 -64.8 60 3.9 -61.0 310 38 365.2 365.2 299.7 365.4 0.04 19 100 15380 -62.5 -66.8 56 4.3 -62.6 320 40 407.0 407.0 306.2 407.2 0.05 20 97 15568 -62.5 -66.9 55 4.4 -62.6 320 40 410.5 410.5 306.6 410.8 0.05 21 70 17550 -68.3 -72.8 52 4.5 -68.4 315 44 438.3 438.3 309.7 438.4 0.03 22 50 19550 -72.9 -77.4 50 4.5 -72.9 305 42 471.7 471.7 312.8 471.8 0.02 23 48 19789 -73.3 -77.8 50 4.5 -73.3 476.3 476.3 313.2 476.4 0.02 24 34 21801 -74.7 -79.3 49 4.6 -74.7 522.0 522.0 316.4 522.1 0.02 TRP 298 8572 -59.3 -62.5 66 3.2 -59.3 335 44 302.3 302.3 282.4 302.4 0.03 WND Sounding variables and indices 1000-500 mb thick: 5107.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 77.02 % Est. max temperature: -0.42 C = 31.25 F Sfc-Lift cond lev (LCL): 947.18 mb = 492.32 m = 1615.20 ft T: -15.42 C 700-500 lapse rate: 7.05 C/km ThetaE index: 0.00 C Layer 977.0- 0.0 mb Conv cond level (CCL): 977.00 mb = 258.40 m = 847.76 ft Mean mixing ratio: 1.20 g/kg Conv temperature: -15.19 C = 4.66 F Cap Strength: 12.43 C Lifted Index: 15.16 C Risk: None Lifted Index @300 mb: 23.24 C Lifted Index @700 mb: 10.83 C Showalter Index: 8.12 C Risk: None Total Totals Index: 48.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.60 C Cross Totals Index: 23.00 C K Index: 8.10 Risk: None Sweat Index: 94.00 Risk: None Energy Index: 2.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 59.55 J/kg Max Up Vert Vel: 10.91 m/s Conv Inhibition (B-): 39666.02 J/kg Cap Strength: 15.05 C Lift Cond Lev (LCL): 887.89 mb = 986.24 m = 3235.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 337 at 26 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 ---------------------------------------------------------- 0 977 258 200 1 0.3 0.9 | 158 27 -9.8 24.9 1 925 672 275 35 34.9 -3.1 | 230 32 24.7 20.9 2 850 1321 285 27 26.1 -7.0 | 223 23 15.9 16.9 3 700 2780 305 36 29.5 -20.6 | 260 20 19.3 3.3 4 500 5190 320 40 25.7 -30.6 | 293 17 15.5 -6.7 5 400 6690 325 38 21.8 -31.1 | 302 14 11.6 -7.2 6 300 8530 335 44 18.6 -39.9 | 332 18 8.4 -16.0 7 298 8572 335 44 18.6 -39.9 | 332 18 8.4 -16.0 8 250 9670 330 48 24.0 -41.6 | 322 22 13.8 -17.6 9 200 11080 320 40 25.7 -30.6 | 293 17 15.5 -6.7 10 150 12880 310 38 29.1 -24.4 | 272 19 18.9 -0.5 11 100 15380 320 40 25.7 -30.6 | 293 17 15.5 -6.7 12 70 17550 315 44 31.1 -31.1 | 289 22 20.9 -7.2 13 50 19550 305 42 34.4 -24.1 | 270 24 24.2 -0.2 Wind Parameters Mean winds (0-6000m): 307.0 at 34.7 knts Storm direction: 337.0 at 26.0 knts Shear (0-3000m) pos: 6.4 neg: 0.0 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 107.7 deg Storm rel helicity (0-3000m) pos: 426.3 neg: -17.8 tot: 408.5 m^2/s^2 ave: 136.2 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 11.5 stream: 9.1 10^-3/s Energy-Hel index: 0.14 Bulk Rich Number: 1.06 Bulk Shear: 56.22 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 ------------------------------------------------------------------------------- 500 274 21 205 25| 34.7 0.0 34.7|341.4 0.0 341.4 682.8 0.94| 44.1 41.4 1000 277 26 217 26| 14.2 0.0 14.2|341.4 -17.0 324.3 324.3 0.75| 25.9 19.5 1500 281 27 220 25| 10.2 0.0 10.2|362.3 -17.8 344.5 229.6 0.75| 18.8 14.1 2000 285 28 225 24| 8.5 0.0 8.5|388.6 -17.8 370.8 185.4 0.77| 15.4 11.8 2500 289 29 230 22| 7.4 0.0 7.4|415.3 -17.8 397.5 159.0 0.79| 13.3 10.5 3000 293 30 235 22| 6.4 0.0 6.4|426.3 -17.8 408.5 136.2 0.79| 11.5 9.1 4000 298 32 244 20| 5.0 0.0 5.0|446.7 -17.8 428.9 107.2 0.80| 9.2 7.4 5000 303 34 253 19| 4.2 0.0 4.2|466.3 -17.8 448.5 89.7 0.81| 7.8 6.3 6000 307 35 260 18| 3.4 0.0 3.4|472.4 -17.8 454.6 75.8 0.80| 6.7 5.4 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20251203.00.gif