UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for U4908... Searching the city database file for: U4908 ... Date:0000Z 4 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 32 SFC 971 263 -5.3 -6.7 90 1.4 -5.8 240 1 270.1 270.5 269.0 276.6 2.38 2 925 642 -8.7 -12.0 77 3.3 -9.6 270 23 270.4 270.7 268.0 275.0 1.64 3 850 1292 -13.7 -17.5 73 3.8 -14.5 290 23 271.8 272.0 268.0 275.0 1.14 4 798 1769 -17.3 -19.9 80 2.6 -17.8 290 26 272.9 273.1 268.5 275.7 0.99 5 777 1969 -15.5 -17.6 84 2.1 -16.0 290 27 276.9 277.1 271.4 280.5 1.23 6 712 2626 -17.7 -20.5 79 2.8 -18.3 290 30 281.5 281.7 273.8 284.6 1.05 7 700 2753 -18.7 -21.4 79 2.7 -19.2 290 31 281.8 281.9 273.9 284.7 0.99 8 606 3810 -26.9 -29.6 78 2.7 -27.2 288 47 284.2 284.3 274.5 285.9 0.54 9 595 3942 -26.7 -29.3 79 2.6 -27.1 288 49 285.9 286.0 275.5 287.7 0.57 10 536 4688 -31.1 -35.8 63 4.7 -31.6 286 60 289.3 289.4 276.9 290.4 0.34 11 532 4741 -31.1 -35.9 63 4.8 -31.6 286 61 289.9 290.0 277.2 291.0 0.34 12 518 4930 -31.3 -35.8 64 4.5 -31.7 286 64 291.9 292.0 278.2 293.1 0.35 13 500 5180 -32.5 -36.7 66 4.2 -32.9 285 68 293.4 293.5 278.9 294.5 0.33 14 441 6055 -38.3 -42.4 65 4.1 -38.5 285 71 296.8 296.8 280.3 297.5 0.21 15 400 6720 -43.3 -47.3 65 4.0 -43.5 285 73 298.7 298.7 281.0 299.2 0.13 16 300 8590 -57.7 -61.6 61 3.9 -57.8 285 79 304.0 304.0 283.1 304.1 0.03 17 288 8847 -59.7 -63.5 60 3.9 -59.7 280 81 304.8 304.8 283.4 304.9 0.03 18 256 9575 -65.3 -69.1 59 3.8 -65.3 285 77 306.9 306.9 284.2 306.9 0.01 19 250 9720 -63.9 -67.9 58 4.0 -63.9 285 68 311.1 311.1 285.7 311.1 0.02 20 200 11090 -61.3 -65.3 59 4.0 -61.3 290 54 335.7 335.7 293.3 335.8 0.03 21 194 11279 -61.1 -65.1 59 4.0 -61.2 290 53 338.9 338.9 294.1 339.1 0.03 22 150 12880 -60.1 -64.3 58 4.2 -60.2 290 46 366.5 366.5 299.9 366.7 0.04 23 148 12964 -60.3 -64.5 58 4.2 -60.4 290 46 367.6 367.6 300.2 367.8 0.04 24 100 15400 -64.5 -69.4 51 4.9 -64.6 285 38 403.1 403.1 305.6 403.3 0.03 25 87 16241 -67.5 -72.5 49 5.0 -67.6 287 43 413.5 413.5 306.9 413.6 0.02 26 79 16821 -66.7 -71.7 49 5.0 -66.8 288 46 426.7 426.7 308.5 426.8 0.03 27 70 17550 -66.9 -71.9 49 5.0 -67.0 290 50 441.3 441.3 310.0 441.4 0.03 28 50 19560 -72.3 -77.3 47 5.0 -72.3 290 46 473.1 473.1 312.9 473.2 0.02 29 44 20307 -75.1 -80.1 45 5.0 -75.2 287 43 483.9 483.9 313.8 484.0 0.01 30 39 21010 -73.5 -79.5 39 6.0 -73.6 285 41 504.9 504.9 315.3 505.0 0.02 31 30 22550 -72.1 -78.1 40 6.0 -72.2 280 35 548.1 548.1 318.0 548.3 0.03 32 24 23854 -75.3 -81.3 39 6.0 -75.4 574.9 574.9 319.4 575.1 0.02 TRP 256 9575 -65.3 -69.1 59 3.8 -65.3 285 77 306.9 306.9 284.2 306.9 0.01 WND 288 8847 -59.7 -63.5 60 3.9 -59.7 280 81 304.8 304.8 283.4 304.9 0.03 Sounding variables and indices 1000-500 mb thick: 5148.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 76.07 % Est. max temperature: -3.02 C = 26.56 F Sfc-Lift cond lev (LCL): 949.56 mb = 437.43 m = 1435.12 ft T: -6.86 C 700-500 lapse rate: 5.69 C/km ThetaE index: 1.61 C Layer 925.0- 850.0 mb Conv cond level (CCL): 869.78 mb = 1115.21 m = 3658.77 ft Mean mixing ratio: 1.70 g/kg Conv temperature: -4.00 C = 24.81 F Cap Strength: 14.09 C Lifted Index: 15.12 C Risk: None Lifted Index @300 mb: 20.33 C Lifted Index @700 mb: 7.53 C Showalter Index: 15.35 C Risk: None Total Totals Index: 33.80 C Risk: None Vertical Totals Index: 18.80 C Cross Totals Index: 15.00 C K Index: -1.40 Risk: None Sweat Index: 114.00 Risk: None Energy Index: 4.08 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.92 J/kg Max Up Vert Vel: 3.14 m/s Conv Inhibition (B-): 41173.76 J/kg Cap Strength: 15.09 C Lift Cond Lev (LCL): 880.51 mb = 1020.89 m = 3349.32 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 316 at 32 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 ---------------------------------------------------------- 0 971 263 240 1 0.9 0.5 | 138 32 -21.5 23.6 1 925 642 270 23 23.0 -0.0 | 182 23 0.6 23.1 2 850 1292 290 23 21.6 -7.9 | 177 15 -0.8 15.3 3 700 2753 290 31 29.1 -10.6 | 208 14 6.7 12.5 4 500 5180 285 68 65.7 -17.6 | 263 44 43.3 5.5 5 400 6720 285 73 70.5 -18.9 | 265 48 48.1 4.2 6 300 8590 285 79 76.3 -20.4 | 267 54 53.9 2.7 7 288 8847 280 81 79.8 -14.1 | 261 58 57.4 9.1 8 256 9575 285 77 74.4 -19.9 | 266 52 52.0 3.2 9 250 9720 285 68 65.7 -17.6 | 263 44 43.3 5.5 10 200 11090 290 54 50.7 -18.5 | 261 29 28.4 4.7 11 150 12880 290 46 43.2 -15.7 | 250 22 20.8 7.4 12 100 15400 285 38 36.7 -9.8 | 227 20 14.3 13.3 13 70 17550 290 50 47.0 -17.1 | 256 25 24.6 6.0 14 50 19560 290 46 43.2 -15.7 | 250 22 20.8 7.4 15 30 22550 280 35 34.5 -6.1 | 215 21 12.1 17.1 Wind Parameters Mean winds (0-6000m): 286.0 at 42.9 knts Storm direction: 316.0 at 32.2 knts Shear (0-3000m) pos: 4.3 neg: 2.3 tot: 6.5 10-3/s Storm rel Dir Shear (0-3000m): 95.9 deg Storm rel helicity (0-3000m) pos: 214.2 neg: -5.7 tot: 208.4 m^2/s^2 ave: 69.5 10^-3 m/s^2 rel: 0.74 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 5.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.04 Bulk Shear: 112.41 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 ------------------------------------------------------------------------------- 500 270 15 161 24| 22.8 0.0 22.8|156.3 -0.1 156.3 312.5 0.87| 25.1 21.9 1000 277 19 170 21| 11.5 0.0 11.5|156.3 -5.7 150.6 150.6 0.65| 15.7 10.3 1500 282 21 173 19| 8.6 0.0 8.6|165.4 -5.7 159.7 106.5 0.67| 11.4 7.7 2000 284 22 177 18| 6.4 0.7 7.1|175.7 -5.7 169.9 85.0 0.70| 9.3 6.4 2500 286 24 182 17| 5.1 1.1 6.3|186.2 -5.7 180.5 72.2 0.72| 8.0 5.7 3000 287 26 187 16| 4.3 2.3 6.5|214.2 -5.7 208.4 69.5 0.74| 8.0 5.9 4000 287 31 206 16| 3.2 3.7 6.9|267.1 -5.7 261.3 65.3 0.70| 8.0 5.6 5000 286 37 227 18| 2.6 4.4 7.0|310.0 -5.7 304.3 60.9 0.63| 7.8 4.9 6000 286 43 239 22| 2.1 4.0 6.1|324.3 -5.7 318.5 53.1 0.62| 6.8 4.2 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20251204.00.gif