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 U6298... Searching the city database file for: U6298 ... Date:1200Z 25 DEC 25 Station: U6298 WMO ident: 26298 Latitude: 57.90 Longitude: 34.05 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 129 250 5 SFC 993 185 -1.1 -2.4 91 1.3 -1.6 250 5 272.6 273.1 271.9 281.3 3.22 2 958 470 -3.1 -4.8 88 1.7 -3.7 273 20 273.4 273.8 271.8 281.0 2.79 3 928 723 -0.5 -1.5 93 1.0 -0.9 293 34 278.5 279.2 276.0 288.7 3.69 4 925 749 -0.5 -1.5 93 1.0 -0.9 295 35 278.8 279.4 276.2 289.0 3.70 5 878 1166 -1.5 -5.0 77 3.5 -2.9 301 37 281.9 282.5 276.9 290.4 3.00 6 850 1423 -3.7 -7.1 77 3.4 -4.9 305 38 282.3 282.7 276.6 289.8 2.64 7 700 2932 -12.9 -14.5 88 1.6 -13.3 310 46 288.2 288.5 278.4 293.5 1.77 8 682 3130 -14.3 -16.1 86 1.8 -14.7 313 46 288.8 289.1 278.4 293.6 1.59 9 656 3423 -15.1 -16.8 87 1.7 -15.5 317 46 291.1 291.4 279.5 295.9 1.56 10 618 3875 -13.3 -14.9 88 1.6 -13.7 323 46 298.2 298.5 283.1 304.2 1.94 11 500 5450 -24.3 -26.7 80 2.4 -24.7 345 46 303.4 303.6 283.9 306.2 0.86 12 485 5673 -25.9 -28.8 77 2.9 -26.3 344 47 304.1 304.2 284.0 306.5 0.73 13 400 7040 -38.3 -42.1 67 3.8 -38.6 335 54 305.2 305.3 283.8 306.0 0.24 14 358 7791 -44.7 -48.4 66 3.7 -44.9 337 60 306.5 306.5 284.2 306.9 0.13 15 331 8308 -50.9 -54.4 66 3.5 -51.0 338 64 304.9 304.9 283.5 305.2 0.07 16 303 8877 -55.3 -59.0 63 3.7 -55.4 340 68 306.5 306.5 284.1 306.7 0.04 17 300 8940 -55.3 -59.0 63 3.7 -55.4 340 69 307.4 307.4 284.4 307.6 0.04 18 280 9378 -55.7 -59.4 63 3.7 -55.8 344 70 312.9 313.0 286.4 313.1 0.05 19 268 9654 -58.3 -62.2 61 3.9 -58.3 346 70 313.1 313.1 286.5 313.2 0.03 20 250 10090 -58.5 -62.7 58 4.2 -58.6 350 71 319.1 319.1 288.5 319.2 0.03 21 238 10399 -60.3 -64.4 58 4.1 -60.3 350 66 320.9 320.9 289.0 321.0 0.03 22 220 10890 -60.3 -64.6 57 4.3 -60.3 356 71 328.2 328.2 291.2 328.3 0.03 23 207 11273 -58.5 -63.2 55 4.7 -58.6 360 75 336.8 336.8 293.6 336.9 0.04 24 200 11490 -57.5 -62.4 54 4.9 -57.6 360 68 341.7 341.7 294.8 341.9 0.04 25 150 13300 -60.3 -66.3 45 6.0 -60.4 350 56 366.2 366.2 299.9 366.4 0.03 26 102 15689 -64.1 -72.1 33 8.0 -64.2 9 54 401.6 401.6 305.5 401.7 0.02 27 100 15810 -64.1 -72.1 33 8.0 -64.2 10 54 403.9 403.9 305.7 404.0 0.02 28 70 17970 -68.1 -76.1 31 8.0 -68.2 5 52 438.7 438.7 309.7 438.8 0.02 29 60 18893 -69.3 -78.3 26 9.0 -69.4 455.8 455.8 311.4 455.9 0.01 TRP 238 10399 -60.3 -64.4 58 4.1 -60.3 350 66 320.9 320.9 289.0 321.0 0.03 WND 207 11273 -58.5 -63.2 55 4.7 -58.6 360 75 336.8 336.8 293.6 336.9 0.04 Sounding variables and indices 1000-500 mb thick: 5321.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.46 inches Sfc-500 mean rel hum: 84.52 % Est. max temperature: 8.81 C = 47.86 F Sfc-Lift cond lev (LCL): 972.86 mb = 347.82 m = 1141.12 ft T: -2.24 C 700-500 lapse rate: 4.53 C/km ThetaE index: 0.65 C Layer 850.0- 700.0 mb Conv cond level (CCL): 964.84 mb = 413.60 m = 1356.93 ft Mean mixing ratio: 3.25 g/kg Conv temperature: -0.47 C = 31.15 F Cap Strength: 13.16 C Lifted Index: 15.52 C Risk: None Lifted Index @300 mb: 15.70 C Lifted Index @700 mb: 5.95 C Showalter Index: 12.07 C Risk: None Total Totals Index: 37.80 C Risk: None Vertical Totals Index: 20.60 C Cross Totals Index: 17.20 C K Index: 11.90 Risk: None Sweat Index: 122.00 Risk: None Energy Index: 3.39 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.66 J/kg Max Up Vert Vel: 8.68 m/s Conv Inhibition (B-): 23273.65 J/kg Cap Strength: 15.29 C Lift Cond Lev (LCL): 919.65 mb = 795.36 m = 2609.41 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 350 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 ---------------------------------------------------------- 0 993 185 250 5 4.7 1.7 | 179 33 -0.5 32.7 1 925 749 295 35 31.7 -14.8 | 239 31 26.5 16.2 2 850 1423 305 38 31.1 -21.8 | 251 27 25.9 9.2 3 700 2932 310 46 35.2 -29.6 | 267 30 30.0 1.4 4 500 5450 345 46 11.9 -44.4 | 334 15 6.7 -13.5 5 400 7040 335 54 22.8 -48.9 | 316 25 17.6 -18.0 6 300 8940 340 69 23.6 -64.8 | 332 39 18.4 -33.9 7 250 10090 350 71 12.3 -69.9 | 350 40 7.1 -39.0 8 238 10399 350 66 11.5 -65.0 | 350 35 6.3 -34.0 9 207 11273 360 75 -0.0 -75.0 | 7 44 -5.2 -44.0 10 200 11490 360 68 -0.0 -68.0 | 8 37 -5.2 -37.0 11 150 13300 350 56 9.7 -55.1 | 349 25 4.5 -24.2 12 100 15810 10 54 -9.4 -53.2 | 33 27 -14.6 -22.2 13 70 17970 5 52 -4.5 -51.8 | 25 23 -9.7 -20.8 Wind Parameters Mean winds (0-6000m): 320.5 at 41.9 knts Storm direction: 350.5 at 31.4 knts Shear (0-3000m) pos: 7.5 neg: 0.0 tot: 7.5 10-3/s Storm rel Dir Shear (0-3000m): 92.3 deg Storm rel helicity (0-3000m) pos: 422.0 neg: 0.0 tot: 422.0 m^2/s^2 ave: 140.7 10^-3 m/s^2 rel: 0.96 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 8.7 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 0.36 Bulk Shear: 103.41 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 ------------------------------------------------------------------------------- 500 289 18 206 28| 28.7 0.0 28.7|258.3 0.0 258.3 516.6 0.99| 30.7 30.5 1000 295 27 224 28| 17.5 0.0 17.5|325.8 0.0 325.8 325.8 0.98| 20.0 19.5 1500 299 31 233 27| 12.6 0.0 12.6|352.9 0.0 352.9 235.2 0.97| 14.7 14.3 2000 301 33 239 27| 10.2 0.0 10.2|373.7 0.0 373.7 186.9 0.97| 11.8 11.4 2500 303 35 244 27| 8.7 0.0 8.7|395.1 0.0 395.1 158.1 0.97| 10.0 9.7 3000 305 37 249 27| 7.5 0.0 7.5|422.0 0.0 422.0 140.7 0.96| 9.1 8.7 4000 309 39 256 26| 5.8 0.0 5.8|477.7 0.0 477.7 119.4 0.93| 8.2 7.6 5000 315 41 265 24| 4.8 0.0 4.8|524.7 0.0 524.7 104.9 0.92| 7.7 7.1 6000 320 42 274 21| 4.1 0.3 4.4|535.8 -12.4 523.4 87.2 0.83| 7.1 5.9 Wrote GIF file: /home/apache/climate/data/raob//U6298/skewt/U6298.skewt.20251225.12.gif