UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121900.upa.cvt Date: 0000Z 19 DEC 25 Searching for U8275... Searching the city database file for: U8275 ... Date:0000Z 19 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 1013 51 -13.3 -15.3 85 2.0 -13.7 160 1 258.9 259.1 258.6 262.0 1.15 1 1000 149 -14.3 -17.6 76 3.3 -14.9 210 3 258.9 259.0 258.2 261.4 0.96 2 925 738 -14.9 -18.5 74 3.6 -15.6 270 9 264.1 264.2 262.3 266.7 0.96 3 899 954 -15.9 -19.6 73 3.7 -16.6 270 9 265.2 265.3 263.0 267.7 0.90 4 850 1381 -11.9 -14.5 81 2.6 -12.5 270 9 273.7 273.9 269.8 277.8 1.46 5 839 1481 -11.1 -13.7 81 2.6 -11.8 271 11 275.5 275.8 271.1 280.0 1.58 6 700 2862 -16.7 -19.8 77 3.1 -17.4 285 35 284.0 284.2 275.3 287.4 1.13 7 675 3133 -17.9 -21.1 76 3.2 -18.6 286 37 285.6 285.8 276.0 288.8 1.05 8 520 5032 -29.5 -32.5 75 3.0 -29.9 289 50 293.8 293.8 279.2 295.3 0.48 9 500 5310 -31.5 -34.3 76 2.8 -31.8 290 52 294.6 294.7 279.6 296.0 0.42 10 406 6749 -40.7 -44.0 70 3.3 -40.9 299 63 300.8 300.8 282.0 301.5 0.19 11 400 6850 -42.3 -45.6 70 3.3 -42.5 300 64 300.0 300.0 281.5 300.6 0.16 12 312 8490 -55.9 -59.7 62 3.8 -55.9 300 67 303.1 303.1 282.7 303.3 0.04 13 300 8740 -58.1 -62.1 60 4.0 -58.2 300 68 303.4 303.5 282.8 303.6 0.03 14 251 9836 -67.3 -71.2 58 3.9 -67.3 300 71 305.7 305.7 283.7 305.7 0.01 15 250 9860 -67.0 -70.9 58 3.9 -67.1 300 71 306.4 306.4 284.0 306.4 0.01 16 227 10451 -60.9 -64.9 59 4.0 -60.9 302 65 324.4 324.4 290.1 324.5 0.03 17 200 11240 -59.7 -63.9 58 4.2 -59.7 305 56 338.2 338.2 293.9 338.4 0.04 18 150 13040 -58.5 -63.1 55 4.6 -58.6 300 42 369.3 369.3 300.5 369.5 0.05 19 114 14767 -56.9 -61.9 53 5.0 -57.1 297 37 402.4 402.4 305.6 402.8 0.08 20 100 15590 -59.3 -64.3 52 5.0 -59.5 295 35 413.2 413.2 306.9 413.5 0.07 21 95 15913 -59.3 -64.3 52 5.0 -59.5 291 36 419.3 419.3 307.7 419.6 0.07 22 74 17490 -58.1 -64.1 46 6.0 -58.4 274 39 452.8 452.9 311.2 453.4 0.09 23 70 17840 -59.3 -65.3 46 6.0 -59.6 270 40 457.5 457.5 311.6 458.0 0.08 24 65 18300 -62.5 -68.5 44 6.0 -62.7 271 41 460.3 460.3 311.8 460.7 0.06 25 50 19910 -64.3 -70.3 44 6.0 -64.5 275 44 492.0 492.0 314.4 492.3 0.06 26 30 23020 -67.5 -74.5 36 7.0 -67.7 250 54 560.6 560.6 318.7 561.0 0.05 27 20 25450 -69.7 -77.7 30 8.0 -70.0 240 85 622.8 622.8 321.6 623.2 0.05 28 18 26078 -69.5 -77.5 30 8.0 -69.8 642.5 642.5 322.4 642.9 0.06 TRP 251 9836 -67.3 -71.2 58 3.9 -67.3 300 71 305.7 305.7 283.7 305.7 0.01 WND 250 9860 -67.0 -70.9 58 3.9 -67.1 300 71 306.4 306.4 284.0 306.4 0.01 Sounding variables and indices 1000-500 mb thick: 5161.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 76.65 % Est. max temperature: -0.78 C = 30.59 F Sfc-Lift cond lev (LCL): 980.68 mb = 296.41 m = 972.45 ft T: -14.45 C 700-500 lapse rate: 6.05 C/km ThetaE index: 0.52 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 595.68 mb = 4043.19 m = 13264.89 ft Mean mixing ratio: 0.97 g/kg Conv temperature: 17.49 C = 63.49 F Cap Strength: 24.68 C Lifted Index: 25.08 C Risk: None Lifted Index @300 mb: 27.84 C Lifted Index @700 mb: 18.61 C Showalter Index: 14.12 C Risk: None Total Totals Index: 36.60 C Risk: None Vertical Totals Index: 19.60 C Cross Totals Index: 17.00 C K Index: 2.00 Risk: None Sweat Index: 70.00 Risk: None Energy Index: 3.84 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.26 J/kg Max Up Vert Vel: 4.75 m/s Conv Inhibition (B-): 58554.71 J/kg Cap Strength: 25.10 C Lift Cond Lev (LCL): 910.13 mb = 860.76 m = 2823.98 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 317 at 24 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 1013 51 160 1 -0.3 0.9 | 138 25 -16.7 18.4 1 1000 149 210 3 1.5 2.6 | 144 25 -14.8 20.0 2 925 738 270 9 9.0 -0.0 | 157 19 -7.3 17.4 3 850 1381 270 9 9.0 -0.0 | 157 19 -7.3 17.4 4 700 2862 285 35 33.8 -9.1 | 244 19 17.5 8.4 5 500 5310 290 52 48.9 -17.8 | 271 33 32.5 -0.3 6 400 6850 300 64 55.4 -32.0 | 290 42 39.1 -14.6 7 300 8740 300 68 58.9 -34.0 | 291 46 42.6 -16.6 8 251 9836 300 71 61.5 -35.5 | 292 49 45.2 -18.1 9 250 9860 300 71 61.5 -35.5 | 292 49 45.2 -18.1 10 200 11240 305 56 45.9 -32.1 | 296 33 29.5 -14.7 11 150 13040 300 42 36.4 -21.0 | 280 20 20.0 -3.6 12 100 15590 295 35 31.7 -14.8 | 260 16 15.4 2.7 13 70 17840 270 40 40.0 -0.0 | 234 29 23.7 17.4 14 50 19910 275 44 43.8 -3.8 | 244 31 27.5 13.6 15 30 23020 250 54 50.7 18.5 | 224 50 34.4 35.9 16 20 25450 240 85 73.6 42.5 | 224 83 57.3 59.9 Wind Parameters Mean winds (0-6000m): 286.9 at 31.9 knts Storm direction: 316.9 at 23.9 knts Shear (0-3000m) pos: 6.3 neg: 0.0 tot: 6.3 10-3/s Storm rel Dir Shear (0-3000m): 109.5 deg Storm rel helicity (0-3000m) pos: 168.4 neg: 0.0 tot: 168.4 m^2/s^2 ave: 56.1 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 5.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.10 Bulk Shear: 113.38 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 ------------------------------------------------------------------------------- 500 236 4 148 24| 7.4 0.0 7.4| 44.1 0.0 44.1 88.1 0.86| 8.2 7.1 1000 261 7 152 21| 4.8 0.0 4.8| 50.3 0.0 50.3 50.3 0.71| 5.8 4.1 1500 265 8 154 20| 4.2 0.0 4.2| 63.4 0.0 63.4 42.3 0.75| 4.9 3.7 2000 269 10 159 19| 5.5 0.0 5.5|100.6 0.0 100.6 50.3 0.84| 6.0 5.0 2500 275 13 168 17| 6.2 0.0 6.2|138.2 0.0 138.2 55.3 0.88| 6.6 5.8 3000 279 16 178 15| 6.3 0.0 6.3|168.4 0.0 168.4 56.1 0.88| 6.7 5.9 4000 282 22 202 14| 5.6 0.0 5.6|197.9 0.0 197.9 49.5 0.85| 6.0 5.1 5000 285 27 224 15| 5.2 0.0 5.2|230.2 0.0 230.2 46.0 0.82| 5.5 4.5 6000 287 32 240 16| 5.0 0.0 5.0|294.6 0.0 294.6 49.1 0.81| 5.4 4.4 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20251219.00.gif