UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121712.upa.cvt Date: 1200Z 17 DEC 25 Searching for U8275... Searching the city database file for: U8275 ... Date:1200Z 17 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 1011 47 -20.7 -24.0 75 3.3 -21.1 250 1 251.7 251.7 251.4 253.1 0.54 1 1000 128 -21.5 -25.8 68 4.3 -22.0 255 5 251.6 251.7 251.2 252.9 0.47 2 997 150 -21.7 -26.0 68 4.3 -22.2 257 5 251.7 251.7 251.2 252.9 0.46 3 931 663 -18.1 -21.9 72 3.8 -18.7 296 14 260.3 260.4 258.9 262.3 0.71 4 925 712 -16.7 -20.2 74 3.5 -17.3 300 15 262.2 262.4 260.6 264.5 0.83 5 883 1062 -13.3 -15.8 81 2.5 -13.9 303 15 269.3 269.5 266.5 272.8 1.26 6 850 1350 -14.1 -17.3 77 3.2 -14.8 305 15 271.4 271.6 267.8 274.7 1.16 7 805 1763 -15.1 -18.4 76 3.3 -15.8 298 17 274.6 274.8 269.8 277.8 1.11 8 721 2587 -21.5 -24.4 77 2.9 -22.0 284 22 276.3 276.5 270.2 278.5 0.73 9 700 2806 -18.7 -21.3 80 2.6 -19.2 280 23 281.8 281.9 273.9 284.8 1.00 10 671 3121 -20.1 -22.9 78 2.8 -20.6 279 24 283.6 283.8 274.8 286.4 0.90 11 582 4163 -25.9 -30.3 66 4.4 -26.5 277 28 288.6 288.7 276.8 290.3 0.53 12 502 5222 -31.7 -38.7 50 7.0 -32.3 275 33 294.1 294.1 279.1 295.0 0.27 13 500 5250 -32.1 -39.1 50 7.0 -32.7 275 33 293.9 293.9 279.0 294.8 0.26 14 437 6183 -39.5 -49.5 34 10.0 -39.9 275 28 296.1 296.1 279.7 296.4 0.10 15 400 6780 -44.7 -56.7 25 12.0 -45.0 275 25 296.9 296.9 280.0 297.1 0.04 16 398 6813 -45.1 -57.1 25 12.0 -45.4 275 25 296.8 296.8 280.0 297.0 0.04 17 356 7547 -50.7 -59.7 34 9.0 -50.9 277 27 298.9 298.9 280.9 299.0 0.03 18 300 8640 -58.5 -65.5 40 7.0 -58.6 280 31 302.9 302.9 282.5 303.0 0.02 19 280 9075 -61.7 -68.7 39 7.0 -61.7 285 31 304.3 304.3 283.1 304.4 0.01 20 250 9790 -58.1 -65.1 40 7.0 -58.2 305 31 319.7 319.7 288.6 319.8 0.02 21 236 10152 -57.3 -64.3 41 7.0 -57.4 308 32 326.2 326.2 290.7 326.3 0.03 22 215 10741 -55.3 -62.3 41 7.0 -55.5 312 34 338.1 338.1 293.9 338.3 0.04 23 200 11200 -55.1 -62.1 42 7.0 -55.2 315 36 345.5 345.5 295.7 345.7 0.04 24 150 13040 -55.3 -64.3 32 9.0 -55.5 310 38 374.8 374.8 301.4 375.0 0.04 25 100 15620 -56.7 -68.7 21 12.0 -57.1 320 46 418.2 418.2 307.5 418.4 0.04 26 94 16010 -58.1 -70.1 20 12.0 -58.4 319 46 422.9 422.9 308.0 423.1 0.03 27 74 17505 -60.7 -73.7 16 13.0 -61.0 316 46 447.4 447.4 310.6 447.5 0.02 28 70 17850 -61.5 -74.5 16 13.0 -61.8 315 46 452.8 452.8 311.1 452.9 0.02 29 66 18214 -62.9 -75.9 16 13.0 -63.1 315 45 457.5 457.5 311.5 457.6 0.02 30 58 19013 -61.3 -74.3 16 13.0 -61.7 315 44 478.3 478.3 313.3 478.5 0.03 31 50 19930 -63.1 -77.1 13 14.0 -63.4 315 42 494.8 494.8 314.6 494.9 0.02 32 40 21295 -65.3 -79.3 13 14.0 -65.6 308 45 521.9 521.9 316.4 522.0 0.02 33 30 23040 -66.7 -80.7 12 14.0 -67.1 300 48 562.8 562.8 318.8 562.9 0.02 34 26 23917 -62.3 -77.3 12 15.0 -63.0 295 48 598.8 598.8 320.6 599.1 0.04 35 20 25540 -62.3 -77.3 12 15.0 -63.2 285 48 645.5 645.5 322.5 645.9 0.05 36 16 26915 -63.3 -78.3 11 15.0 -64.3 684.7 684.8 323.9 685.2 0.05 37 11 29228 -61.5 -77.5 10 16.0 -63.1 768.7 768.8 326.5 769.6 0.09 TRP 280 9075 -61.7 -68.7 39 7.0 -61.7 285 31 304.3 304.3 283.1 304.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5122.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 71.38 % Est. max temperature: -1.64 C = 29.05 F Sfc-Lift cond lev (LCL): 957.32 mb = 454.42 m = 1490.85 ft T: -19.57 C 700-500 lapse rate: 5.48 C/km ThetaE index: 0.21 C Layer 1000.0- 931.0 mb Conv cond level (CCL): 532.47 mb = 4800.00 m = 15747.85 ft Mean mixing ratio: 0.63 g/kg Conv temperature: 19.68 C = 67.42 F Cap Strength: 29.22 C Lifted Index: 29.05 C Risk: None Lifted Index @300 mb: 31.42 C Lifted Index @700 mb: 21.42 C Showalter Index: 16.04 C Risk: None Total Totals Index: 32.80 C Risk: None Vertical Totals Index: 18.00 C Cross Totals Index: 14.80 C K Index: -1.90 Risk: None Sweat Index: 63.00 Risk: None Energy Index: 4.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.86 J/kg Max Up Vert Vel: 8.70 m/s Conv Inhibition (B-): 69687.17 J/kg Cap Strength: 29.12 C Lift Cond Lev (LCL): 904.45 mb = 881.14 m = 2890.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 311 at 17 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 1011 47 250 1 0.9 0.3 | 134 17 -11.9 11.7 1 1000 128 255 5 4.8 1.3 | 147 15 -8.0 12.6 2 925 712 300 15 13.0 -7.5 | 182 4 0.1 3.8 3 850 1350 305 15 12.3 -8.6 | 168 3 -0.6 2.7 4 700 2806 280 23 22.7 -4.0 | 233 12 9.8 7.3 5 500 5250 275 33 32.9 -2.9 | 247 22 20.0 8.4 6 400 6780 275 25 24.9 -2.2 | 233 15 12.0 9.1 7 300 8640 280 31 30.5 -5.4 | 251 19 17.7 5.9 8 280 9075 285 31 29.9 -8.0 | 259 17 17.1 3.3 9 250 9790 305 31 25.4 -17.8 | 297 14 12.5 -6.5 10 200 11200 315 36 25.5 -25.5 | 318 19 12.6 -14.1 11 150 13040 310 38 29.1 -24.4 | 309 21 16.2 -13.1 12 100 15620 320 46 29.6 -35.2 | 325 29 16.7 -23.9 13 70 17850 315 46 32.5 -32.5 | 317 29 19.7 -21.2 14 50 19930 315 42 29.7 -29.7 | 318 25 16.8 -18.4 15 30 23040 300 48 41.6 -24.0 | 294 31 28.7 -12.7 16 20 25540 285 48 46.4 -12.4 | 272 34 33.5 -1.1 Wind Parameters Mean winds (0-6000m): 281.3 at 22.8 knts Storm direction: 311.3 at 17.1 knts Shear (0-3000m) pos: 2.5 neg: 2.0 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 101.4 deg Storm rel helicity (0-3000m) pos: 37.9 neg: -0.7 tot: 37.2 m^2/s^2 ave: 12.4 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 2.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.24 Bulk Shear: 30.62 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 ------------------------------------------------------------------------------- 500 276 8 153 12| 11.7 0.0 11.7| 29.9 0.0 29.9 59.9 0.66| 13.1 8.6 1000 294 11 158 7| 7.4 0.0 7.4| 31.6 -0.3 31.3 31.3 0.52| 9.0 4.7 1500 298 12 161 6| 4.9 0.4 5.3| 32.6 -0.6 32.0 21.3 0.52| 6.7 3.5 2000 298 14 171 5| 3.7 1.2 4.9| 35.0 -0.6 34.4 17.2 0.53| 6.0 3.2 2500 295 15 189 5| 3.0 1.8 4.8| 36.2 -0.6 35.6 14.2 0.47| 5.6 2.7 3000 291 16 203 6| 2.5 2.0 4.5| 37.9 -0.7 37.2 12.4 0.44| 5.3 2.3 4000 287 19 220 8| 1.9 2.0 3.9| 45.1 -0.7 44.4 11.1 0.44| 4.5 2.0 5000 283 21 230 10| 1.5 2.1 3.5| 51.1 -0.7 50.4 10.1 0.42| 4.0 1.7 6000 281 23 234 12| 1.2 1.5 2.7| 52.2 -11.9 40.3 6.7 0.33| 3.8 1.2 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20251217.12.gif