UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122512.upa.cvt Date: 1200Z 25 DEC 25 Searching for U9839... Searching the city database file for: U9839 ... Date:1200Z 25 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 1000 142 -4.3 -6.9 82 2.6 -5.1 170 5 268.9 269.2 268.0 275.0 2.27 1 925 752 -7.5 -9.4 86 1.9 -8.1 225 19 271.6 272.0 269.4 277.2 2.02 2 909 888 -8.3 -9.8 89 1.5 -8.7 228 22 272.2 272.5 269.7 277.7 1.99 3 850 1411 -8.3 -10.0 88 1.7 -8.8 240 35 277.5 277.8 273.1 283.4 2.10 4 710 2785 -17.5 -19.3 86 1.8 -17.9 235 47 282.0 282.2 274.2 285.4 1.17 5 700 2892 -16.7 -18.4 87 1.7 -17.1 235 48 284.0 284.2 275.5 287.8 1.28 6 653 3413 -17.1 -18.6 88 1.5 -17.4 238 52 289.2 289.5 278.3 293.3 1.35 7 614 3874 -18.1 -22.4 69 4.3 -19.0 241 56 293.2 293.4 279.7 296.5 1.03 8 500 5380 -26.9 -33.9 52 7.0 -27.8 250 68 300.2 300.3 282.0 301.7 0.43 9 490 5526 -27.9 -33.9 56 6.0 -28.6 250 68 300.8 300.8 282.3 302.2 0.44 10 400 6950 -40.5 -44.5 65 4.0 -40.7 250 64 302.4 302.4 282.6 303.0 0.18 11 394 7052 -41.3 -45.2 66 3.9 -41.5 250 64 302.6 302.6 282.7 303.2 0.17 12 371 7456 -44.9 -49.3 61 4.4 -45.1 250 66 303.1 303.1 282.8 303.5 0.12 13 310 8638 -50.3 -56.3 49 6.0 -50.5 250 72 311.5 311.5 285.9 311.7 0.06 14 300 8850 -52.9 -58.9 48 6.0 -53.0 250 73 310.8 310.8 285.7 311.0 0.05 15 270 9525 -58.1 -65.1 40 7.0 -58.2 250 73 312.7 312.7 286.3 312.8 0.02 16 250 10010 -60.1 -67.1 39 7.0 -60.2 250 73 316.7 316.7 287.7 316.8 0.02 17 237 10342 -62.7 -70.7 33 8.0 -62.8 250 74 317.7 317.7 288.0 317.7 0.01 18 202 11320 -67.3 -76.3 27 9.0 -67.4 250 77 325.3 325.3 290.3 325.3 0.01 19 200 11380 -67.5 -77.5 23 10.0 -67.5 250 77 325.9 325.9 290.5 325.9 0.00 20 194 11562 -67.6 -77.6 23 10.0 -67.6 250 79 328.6 328.6 291.3 328.6 0.01 21 181 11977 -67.7 -77.7 23 10.0 -67.8 253 78 335.0 335.0 293.0 335.0 0.01 22 170 12357 -61.9 -71.9 25 10.0 -62.0 255 77 350.7 350.7 296.8 350.7 0.01 23 150 13130 -60.5 -72.5 19 12.0 -60.7 260 75 365.9 365.9 299.8 365.9 0.01 24 100 15680 -57.9 -77.9 6 20.0 -58.3 250 68 415.9 415.9 307.2 415.9 0.01 25 81 16996 -60.5 247 68 436.4 26 70 17900 -61.5 245 68 452.8 27 50 19980 -63.5 255 73 493.8 28 41 21191 -66.3 515.7 29 37 21818 -62.9 539.8 TRP 200 11380 -67.5 -77.5 23 10.0 -67.5 250 77 325.9 325.9 290.5 325.9 0.00 WND 194 11562 -67.6 -77.6 23 10.0 -67.6 250 79 328.6 328.6 291.3 328.6 0.01 Sounding variables and indices 1000-500 mb thick: 5238.28 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.32 inches Sfc-500 mean rel hum: 78.06 % Est. max temperature: 4.30 C = 39.74 F Sfc-Lift cond lev (LCL): 959.68 mb = 463.86 m = 1521.85 ft T: -5.99 C 700-500 lapse rate: 4.10 C/km Conv cond level (CCL): 814.45 mb = 1737.25 m = 5699.56 ft Mean mixing ratio: 2.11 g/kg Conv temperature: 5.39 C = 41.70 F Cap Strength: 15.51 C Lifted Index: 19.78 C Risk: None Lifted Index @300 mb: 24.31 C Lifted Index @700 mb: 8.59 C Showalter Index: 14.39 C Risk: None Total Totals Index: 35.50 C Risk: None Vertical Totals Index: 18.60 C Cross Totals Index: 16.90 C K Index: 6.90 Risk: None Sweat Index: 184.71 Risk: None Energy Index: 3.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.28 J/kg Max Up Vert Vel: 4.75 m/s Conv Inhibition (B-): 40371.65 J/kg Cap Strength: 19.46 C Lift Cond Lev (LCL): 917.56 mb = 815.04 m = 2674.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 272 at 35 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 1000 142 170 5 -0.9 4.9 | 100 37 -36.3 6.3 1 925 752 225 19 13.4 13.4 | 124 27 -22.0 14.9 2 850 1411 240 35 30.3 17.5 | 165 20 -5.2 18.9 3 700 2892 235 48 39.3 27.5 | 188 29 3.9 28.9 4 500 5380 250 68 63.9 23.3 | 229 38 28.4 24.7 5 400 6950 250 64 60.1 21.9 | 227 34 24.7 23.3 6 300 8850 250 73 68.6 25.0 | 231 42 33.1 26.4 7 250 10010 250 73 68.6 25.0 | 231 42 33.1 26.4 8 200 11380 250 77 72.4 26.3 | 233 46 36.9 27.8 9 194 11562 250 79 74.2 27.0 | 234 48 38.8 28.4 10 150 13130 260 75 73.9 13.0 | 249 41 38.4 14.4 11 100 15680 250 68 63.9 23.3 | 229 38 28.4 24.7 12 70 17900 245 68 61.6 28.7 | 221 40 26.2 30.2 13 50 19980 255 73 70.5 18.9 | 240 41 35.0 20.3 Wind Parameters Mean winds (0-6000m): 242.3 at 47.3 knts Storm direction: 272.3 at 35.5 knts Shear (0-3000m) pos: 6.8 neg: 1.6 tot: 8.4 10-3/s Storm rel Dir Shear (0-3000m): 92.2 deg Storm rel helicity (0-3000m) pos: 297.5 neg: 0.0 tot: 297.5 m^2/s^2 ave: 99.2 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 8.8 stream: 7.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.06 Bulk Shear: 196.02 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 ------------------------------------------------------------------------------- 500 212 11 109 32| 13.8 0.0 13.8|110.0 0.0 110.0 219.9 0.84| 14.8 12.4 1000 224 17 119 28| 13.7 0.0 13.7|183.8 0.0 183.8 183.8 0.81| 14.6 11.9 1500 232 22 130 24| 12.2 0.0 12.2|231.4 0.0 231.4 154.2 0.84| 13.0 10.9 2000 234 26 140 22| 9.1 1.2 10.3|251.4 0.0 251.4 125.7 0.83| 10.9 9.1 2500 235 30 150 22| 7.3 1.9 9.2|270.3 0.0 270.3 108.1 0.81| 9.7 7.9 3000 235 33 157 22| 6.8 1.6 8.4|297.5 0.0 297.5 99.2 0.81| 8.8 7.2 4000 237 38 171 23| 6.3 1.2 7.4|374.8 0.0 374.8 93.7 0.83| 7.9 6.6 5000 240 43 185 23| 5.9 0.9 6.9|461.4 0.0 461.4 92.3 0.85| 7.4 6.2 6000 242 47 195 24| 5.1 0.7 5.8|483.1 -6.4 476.8 79.5 0.82| 6.5 5.3 Wrote GIF file: /home/apache/climate/data/raob//U9839/skewt/U9839.skewt.20251225.12.gif