UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122912.upa.cvt Date: 1200Z 29 DEC 25 Searching for U9839... Searching the city database file for: U9839 ... Date:1200Z 29 DEC 25 Station: U9839 WMO ident: 29839 Latitude: 53.50 Longitude: 83.83 ------------------------------------------------------------------------------- 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 1006 148 -20.7 -24.0 75 3.3 -21.1 90 1 252.0 252.1 251.7 253.5 0.55 1 1000 192 -22.1 -25.6 73 3.5 -22.5 95 3 251.1 251.1 250.7 252.3 0.48 2 956 529 -15.5 -20.5 65 5.0 -16.3 127 6 261.0 261.1 259.6 263.1 0.78 3 950 577 -12.7 -18.7 61 6.0 -13.9 131 7 264.3 264.4 262.4 266.9 0.92 4 925 783 -7.3 -15.3 53 8.0 -9.3 150 9 271.8 272.1 268.2 275.4 1.26 5 914 876 -4.1 -13.1 50 9.0 -6.7 160 9 276.1 276.3 271.4 280.4 1.52 6 850 1442 -7.7 -13.7 62 6.0 -9.4 220 11 278.1 278.3 272.6 282.6 1.56 7 812 1796 -9.9 -14.9 67 5.0 -11.2 226 11 279.4 279.7 273.3 283.7 1.48 8 792 1990 -7.3 -26.3 20 19.0 -11.2 229 11 284.2 284.3 274.5 285.9 0.56 9 777 2139 -6.7 -22.7 27 16.0 -10.4 232 11 286.4 286.5 276.0 288.8 0.79 10 722 2711 -8.3 -25.3 24 17.0 -12.0 241 11 290.7 290.8 278.1 292.8 0.68 11 700 2950 -10.3 -25.3 28 15.0 -13.5 245 11 291.1 291.2 278.3 293.3 0.70 12 588 4270 -18.5 -36.5 19 18.0 -21.0 154 13 296.4 296.5 280.2 297.4 0.29 13 500 5460 -26.1 -43.1 19 17.0 -27.7 70 15 301.2 301.2 282.1 301.8 0.17 14 490 5606 -26.9 -44.9 17 18.0 -28.5 65 15 302.0 302.0 282.4 302.5 0.14 15 428 6563 -36.3 -54.3 14 18.0 -37.1 28 14 301.9 301.9 282.2 302.1 0.06 16 400 7030 -39.3 -56.3 15 17.0 -39.9 10 13 303.9 303.9 283.0 304.1 0.05 17 319 8536 -51.7 -64.7 20 13.0 -51.9 339 13 307.0 307.0 284.2 307.1 0.02 18 300 8930 -55.3 -68.3 18 13.0 -55.5 330 13 307.4 307.4 284.4 307.4 0.01 19 250 10080 -63.5 -74.5 21 11.0 -63.6 300 23 311.7 311.7 285.9 311.7 0.01 20 237 10406 -64.9 -74.9 24 10.0 -65.0 300 31 314.3 314.3 286.9 314.4 0.01 21 200 11450 -60.1 -71.1 22 11.0 -60.2 295 36 337.6 337.6 293.7 337.6 0.01 22 160 12851 -57.5 -70.5 18 13.0 -57.7 364.2 364.2 299.5 364.3 0.02 TRP 237 10406 -64.9 -74.9 24 10.0 -65.0 300 31 314.3 314.3 286.9 314.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5268.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 34.95 % Est. max temperature: 5.21 C = 41.38 F Sfc-Lift cond lev (LCL): 952.59 mb = 555.92 m = 1823.88 ft T: -13.91 C 700-500 lapse rate: 6.29 C/km ThetaE index: 1.15 C Layer 1000.0- 956.0 mb Conv cond level (CCL): 1000.00 mb = 192.00 m = 629.91 ft Mean mixing ratio: 0.91 g/kg Conv temperature: -17.73 C = 0.09 F Cap Strength: 26.86 C Lifted Index: 29.43 C Risk: None Lifted Index @300 mb: 29.70 C Lifted Index @700 mb: 23.90 C Showalter Index: 15.83 C Risk: None Total Totals Index: 30.80 C Risk: None Vertical Totals Index: 18.40 C Cross Totals Index: 12.40 C K Index: -10.30 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 4.13 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 110.30 J/kg Max Up Vert Vel: 14.85 m/s Conv Inhibition (B-): 14768.54 J/kg Cap Strength: 29.12 C Lift Cond Lev (LCL): 879.30 mb = 1177.91 m = 3864.49 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 198 at 9 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 1006 148 90 1 -1.0 0.0 | 24 9 -3.6 -8.3 1 1000 192 95 3 -3.0 0.3 | 35 10 -5.6 -8.0 2 925 783 150 9 -4.5 7.8 | 86 7 -7.1 -0.5 3 850 1442 220 11 7.1 8.4 | 268 4 4.5 0.1 4 700 2950 245 11 10.0 4.6 | 296 8 7.4 -3.6 5 500 5460 70 15 -14.1 -5.1 | 51 21 -16.7 -13.4 6 400 7030 10 13 -2.3 -12.8 | 13 22 -4.9 -21.1 7 300 8930 330 13 6.5 -11.3 | 349 20 3.9 -19.6 8 250 10080 300 23 19.9 -11.5 | 319 26 17.3 -19.8 9 237 10406 300 31 26.8 -15.5 | 314 34 24.2 -23.8 10 200 11450 295 36 32.6 -15.2 | 308 38 30.0 -23.5 Wind Parameters Mean winds (0-6000m): 167.5 at 11.6 knts Storm direction: 197.5 at 8.7 knts Shear (0-3000m) pos: 2.0 neg: 0.3 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): -102.6 deg Storm rel helicity (0-3000m) pos: 35.0 neg: -3.7 tot: 31.3 m^2/s^2 ave: 10.4 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 3.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 11.20 Bulk Shear: 9.85 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 ------------------------------------------------------------------------------- 500 125 5 51 9| 7.2 0.0 7.2| 18.7 0.0 18.7 37.5 0.95| 8.3 7.9 1000 153 7 71 6| 5.3 0.0 5.3| 27.2 0.0 27.2 27.2 0.82| 8.7 7.1 1500 179 8 89 3| 4.0 0.0 4.0| 30.5 0.0 30.5 20.3 0.81| 8.1 6.5 2000 196 9 156 0| 3.0 0.0 3.0| 32.0 0.0 32.0 16.0 0.80| 6.5 5.2 2500 207 9 270 2| 2.4 0.0 2.4| 33.7 0.0 33.7 13.5 0.79| 5.5 4.3 3000 215 10 278 3| 2.0 0.3 2.3| 35.0 -3.7 31.3 10.4 0.65| 5.2 3.4 4000 208 10 252 2| 1.5 2.0 3.5| 35.0 -19.0 16.0 4.0 0.16| 5.8 0.9 5000 195 11 186 2| 1.2 2.5 3.7| 35.0 -64.7 -29.7 -5.9 -0.09| 6.4 -0.5 6000 168 12 121 6| 1.0 2.1 3.2| 35.0-130.0 -95.1 -15.8 -0.23| 6.4 -1.5 Wrote GIF file: /home/apache/climate/data/raob//U9839/skewt/U9839.skewt.20251229.12.gif