UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122312.upa.cvt Date: 1200Z 23 DEC 25 Searching for U8275... Searching the city database file for: U8275 ... Date:1200Z 23 DEC 25 Station: U8275 WMO ident: 28275 Latitude: 58.15 Longitude: 68.18 ------------------------------------------------------------------------------- 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 1003 47 -6.7 -9.6 80 2.9 -7.5 180 5 266.2 266.5 265.4 271.2 1.84 1 1000 70 -6.7 -9.8 79 3.1 -7.6 185 7 266.5 266.7 265.6 271.4 1.81 2 934 600 -10.5 -13.5 79 3.0 -11.2 224 23 267.8 268.1 265.9 271.8 1.44 3 925 675 -10.5 -13.5 79 3.0 -11.2 230 25 268.6 268.8 266.4 272.6 1.46 4 898 903 -8.9 -11.1 84 2.2 -9.5 232 26 272.5 272.8 269.7 277.6 1.82 5 850 1327 -10.7 -13.4 80 2.7 -11.4 235 27 274.9 275.2 270.8 279.5 1.60 6 834 1473 -11.5 -14.4 79 2.9 -12.2 235 28 275.6 275.8 271.1 279.9 1.50 7 785 1936 -11.9 -14.3 82 2.4 -12.5 233 29 280.0 280.3 273.8 284.6 1.61 8 700 2805 -16.9 -19.6 80 2.7 -17.5 230 33 283.8 284.0 275.2 287.2 1.15 9 559 4460 -24.9 -28.0 75 3.1 -25.4 230 55 293.2 293.3 279.3 295.4 0.68 10 500 5260 -30.3 -33.4 74 3.1 -30.6 230 66 296.1 296.2 280.3 297.6 0.46 11 400 6820 -41.3 -48.3 47 7.0 -41.6 230 79 301.3 301.3 282.1 301.7 0.12 12 398 6854 -42.3 -49.3 46 7.0 -42.6 230 79 300.4 300.5 281.7 300.8 0.11 13 377 7219 -42.7 -49.7 46 7.0 -43.0 230 81 304.6 304.6 283.4 305.0 0.11 14 355 7621 -46.7 -54.7 40 8.0 -46.9 230 83 304.5 304.5 283.3 304.8 0.06 15 323 8241 -50.1 -58.1 38 8.0 -50.3 230 87 308.2 308.2 284.7 308.4 0.05 16 300 8720 -52.7 -60.7 37 8.0 -52.8 230 87 311.1 311.1 285.8 311.2 0.04 17 296 8807 -53.1 -61.1 37 8.0 -53.2 230 86 311.7 311.7 286.0 311.8 0.03 18 258 9675 -61.5 -69.5 34 8.0 -61.6 235 81 311.8 311.8 286.0 311.9 0.01 19 256 9723 -61.7 -69.7 34 8.0 -61.8 235 81 312.2 312.2 286.1 312.3 0.01 20 250 9870 -62.1 -70.1 34 8.0 -62.1 235 77 313.7 313.7 286.6 313.8 0.01 21 205 11097 -62.5 -70.5 33 8.0 -62.6 231 67 331.4 331.4 292.1 331.5 0.01 22 200 11250 -61.9 -69.9 34 8.0 -62.0 230 66 334.7 334.7 293.0 334.8 0.02 23 170 12262 -59.3 -67.3 35 8.0 -59.5 241 60 355.0 355.0 297.7 355.1 0.03 24 155 12837 -61.9 -69.9 34 8.0 -62.0 248 57 360.0 360.1 298.7 360.1 0.02 25 150 13040 -60.7 -69.7 30 9.0 -60.8 250 56 365.5 365.5 299.8 365.6 0.02 26 124 14219 -60.3 -69.3 30 9.0 -60.4 255 54 386.7 386.7 303.3 386.8 0.03 27 100 15540 -64.5 -74.5 24 10.0 -64.6 260 52 403.1 403.1 305.6 403.2 0.02 28 90 16182 -66.1 -75.1 27 9.0 -66.2 261 52 412.3 412.3 306.8 412.3 0.02 29 70 17700 -67.9 -77.9 23 10.0 -68.0 265 52 439.1 439.1 309.8 439.2 0.01 30 52 19477 -70.5 -80.5 22 10.0 -70.6 261 57 472.0 472.0 312.8 472.1 0.01 31 50 19710 -70.3 -80.3 22 10.0 -70.4 260 58 477.8 477.8 313.3 477.9 0.01 32 41 20890 -70.5 -80.5 22 10.0 -70.6 260 61 505.2 505.2 315.3 505.3 0.01 33 37 21506 -66.7 -77.7 20 11.0 -67.0 260 63 530.0 530.0 316.9 530.2 0.03 34 30 22770 -68.3 -79.3 19 11.0 -68.6 260 66 558.4 558.5 318.6 558.6 0.02 35 25 23864 -68.3 -79.3 19 11.0 -68.6 588.3 588.3 320.1 588.5 0.03 TRP 256 9723 -61.7 -69.7 34 8.0 -61.8 235 81 312.2 312.2 286.1 312.3 0.01 WND 323 8241 -50.1 -58.1 38 8.0 -50.3 230 87 308.2 308.2 284.7 308.4 0.05 Sounding variables and indices 1000-500 mb thick: 5190.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 78.60 % Est. max temperature: 1.87 C = 35.36 F Sfc-Lift cond lev (LCL): 957.74 mb = 405.36 m = 1329.89 ft T: -9.10 C 700-500 lapse rate: 5.46 C/km Conv cond level (CCL): 727.56 mb = 2512.37 m = 8242.58 ft Mean mixing ratio: 1.61 g/kg Conv temperature: 9.59 C = 49.27 F Cap Strength: 18.09 C Lifted Index: 19.72 C Risk: None Lifted Index @300 mb: 27.44 C Lifted Index @700 mb: 11.70 C Showalter Index: 14.04 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: 3.50 Risk: None Sweat Index: 120.00 Risk: None Energy Index: 3.79 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.45 J/kg Max Up Vert Vel: 5.74 m/s Conv Inhibition (B-): 46087.78 J/kg Cap Strength: 19.46 C Lift Cond Lev (LCL): 908.25 mb = 815.95 m = 2676.97 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 260 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 1003 47 180 5 0.0 5.0 | 89 31 -30.7 -0.3 1 1000 70 185 7 0.6 7.0 | 93 30 -30.1 1.7 2 925 675 230 25 19.2 16.1 | 133 16 -11.5 10.8 3 850 1327 235 27 22.1 15.5 | 140 13 -8.6 10.2 4 700 2805 230 33 25.3 21.2 | 161 17 -5.4 15.9 5 500 5260 230 66 50.6 42.4 | 208 42 19.9 37.1 6 400 6820 230 79 60.5 50.8 | 213 54 29.8 45.5 7 323 8241 230 87 66.6 55.9 | 215 62 36.0 50.6 8 300 8720 230 87 66.6 55.9 | 215 62 36.0 50.6 9 256 9723 235 81 66.4 46.5 | 221 54 35.7 41.2 10 250 9870 235 77 63.1 44.2 | 220 51 32.4 38.9 11 200 11250 230 66 50.6 42.4 | 208 42 19.9 37.1 12 150 13040 250 56 52.6 19.2 | 238 26 21.9 13.9 13 100 15540 260 52 51.2 9.0 | 260 21 20.5 3.7 14 70 17700 265 52 51.8 4.5 | 272 21 21.1 -0.8 15 50 19710 260 58 57.1 10.1 | 260 27 26.4 4.8 16 30 22770 260 66 65.0 11.5 | 260 35 34.3 6.2 Wind Parameters Mean winds (0-6000m): 230.2 at 41.5 knts Storm direction: 260.2 at 31.1 knts Shear (0-3000m) pos: 4.3 neg: 1.5 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 81.4 deg Storm rel helicity (0-3000m) pos: 163.1 neg: 0.0 tot: 163.1 m^2/s^2 ave: 54.4 10^-3 m/s^2 rel: 0.77 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 4.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.15 Bulk Shear: 110.38 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 ------------------------------------------------------------------------------- 500 211 14 105 24| 18.2 0.0 18.2|106.3 0.0 106.3 212.5 0.81| 19.4 15.6 1000 226 19 116 19| 12.1 0.0 12.1|125.7 0.0 125.7 125.7 0.75| 13.3 10.0 1500 229 22 122 17| 8.7 0.0 8.7|131.7 0.0 131.7 87.8 0.75| 9.7 7.2 2000 231 24 128 16| 6.5 0.6 7.1|139.0 0.0 139.0 69.5 0.76| 7.8 5.9 2500 231 25 133 15| 5.2 0.9 6.1|146.1 0.0 146.1 58.4 0.76| 6.7 5.1 3000 231 26 138 15| 4.3 1.5 5.8|163.1 0.0 163.1 54.4 0.77| 6.3 4.9 4000 230 31 153 16| 3.3 2.8 6.1|218.8 0.0 218.8 54.7 0.75| 6.5 4.9 5000 230 36 170 18| 2.6 3.6 6.2|274.5 0.0 274.5 54.9 0.69| 6.6 4.6 6000 230 42 183 21| 2.2 3.8 6.0|313.6 0.0 313.6 52.3 0.65| 6.3 4.1 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20251223.12.gif