UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122600.upa.cvt Date: 0000Z 26 DEC 25 Searching for U6298... Searching the city database file for: U6298 ... Date:0000Z 26 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 16 SFC 979 186 0.6 -0.8 90 1.4 0.0 320 7 275.4 276.0 274.3 285.5 3.68 2 925 639 -2.7 -4.3 89 1.6 -3.3 335 35 276.5 277.1 273.9 284.9 3.00 3 850 1307 -7.1 -8.8 88 1.7 -7.7 350 46 278.7 279.1 274.1 285.2 2.31 4 700 2789 -17.7 -20.8 77 3.1 -18.3 360 50 282.9 283.1 274.6 286.0 1.04 5 660 3226 -20.1 -22.8 79 2.7 -20.6 1 56 285.0 285.1 275.5 287.8 0.93 6 598 3945 -27.3 -29.6 81 2.3 -27.6 2 65 284.8 284.9 274.8 286.5 0.55 7 555 4479 -30.1 -32.2 82 2.1 -30.3 3 73 287.6 287.7 276.2 289.1 0.46 8 548 4569 -30.9 -33.6 77 2.7 -31.2 4 74 287.7 287.8 276.2 289.0 0.41 9 500 5210 -36.7 -48.7 28 12.0 -37.2 5 83 288.3 288.3 275.9 288.6 0.09 10 400 6740 -40.5 -55.5 18 15.0 -41.1 360 155 302.4 302.4 282.4 302.5 0.05 11 380 7089 -41.0 -56.0 18 15.0 -41.6 360 165 306.1 306.2 283.9 306.3 0.05 12 348 7685 -41.9 -56.9 18 15.0 -42.5 2 135 312.7 312.8 286.4 312.9 0.05 13 307 8526 -45.5 -60.5 17 15.0 -45.9 5 93 319.1 319.1 288.5 319.3 0.04 14 300 8680 -45.1 -60.1 17 15.0 -45.6 5 85 321.8 321.8 289.3 321.9 0.04 15 283 9071 -44.7 -59.7 17 15.0 -45.2 3 102 327.8 327.8 291.1 328.0 0.04 16 250 9900 -46.3 -62.3 15 16.0 -46.8 360 138 337.2 337.2 293.7 337.4 0.04 17 218 10804 -47.1 -63.1 14 16.0 -47.6 360 121 349.5 349.5 296.5 349.6 0.04 18 200 11370 -48.5 -64.5 14 16.0 -49.0 360 110 356.0 356.0 297.9 356.1 0.03 19 150 13250 -52.9 -68.9 13 16.0 -53.3 360 108 378.9 378.9 302.1 379.0 0.02 20 146 13424 -53.7 -69.7 12 16.0 -54.1 380.5 380.5 302.3 380.6 0.02 21 120 14684 -54.1 -70.1 12 16.0 -54.5 401.7 401.7 305.5 401.8 0.03 TRP WND 380 7089 -41.0 -56.0 18 15.0 -41.6 360 165 306.1 306.2 283.9 306.3 0.05 Sounding variables and indices 1000-500 mb thick: 5194.00 m Freezing level: 969.18 mb = 268.65 m = 881.39 ft Wetbulb zero: 978.68 mb = 188.96 m = 619.93 ft Precipitable water: 0.31 inches Sfc-500 mean rel hum: 78.62 % Est. max temperature: 4.43 C = 39.97 F Sfc-Lift cond lev (LCL): 957.76 mb = 361.36 m = 1185.54 ft T: -0.68 C 700-500 lapse rate: 7.85 C/km ThetaE index: 0.61 C Layer 925.0- 850.0 mb Conv cond level (CCL): 894.82 mb = 901.01 m = 2956.04 ft Mean mixing ratio: 3.08 g/kg Conv temperature: 2.57 C = 36.63 F Cap Strength: 3.28 C Lifted Index: 3.30 C Risk: None Lifted Index @300 mb: 26.07 C Lifted Index @700 mb: 1.26 C Showalter Index: 3.12 C Risk: None Total Totals Index: 57.50 C Risk: Severe Thunderstorms probable Vertical Totals Index: 29.60 C Cross Totals Index: 27.90 C K Index: 17.70 Risk: < 20 % chance of thunderstorms Sweat Index: 345.00 Risk: Showers and thunderstorms possible Energy Index: 0.67 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.36 J/kg Max Up Vert Vel: 4.33 m/s Conv Inhibition (B-): 13650.85 J/kg Cap Strength: 3.28 C Lift Cond Lev (LCL): 906.27 mb = 800.62 m = 2626.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 30 at 47 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 ---------------------------------------------------------- 0 979 186 320 7 4.5 -5.4 | 218 45 27.8 35.6 1 925 639 335 35 14.8 -31.7 | 256 39 38.1 9.2 2 850 1307 350 46 8.0 -45.3 | 278 32 31.3 -4.4 3 700 2789 360 50 -0.0 -50.0 | 291 25 23.3 -9.1 4 500 5210 5 83 -7.2 -82.7 | 339 45 16.1 -41.7 5 400 6740 360 155 -0.0 -155.0 | 348 116 23.3 -114.1 6 380 7089 360 165 -0.0 -165.0 | 349 126 23.3 -124.1 7 300 8680 5 85 -7.4 -84.7 | 340 47 15.9 -43.7 8 250 9900 360 138 -0.0 -138.0 | 346 100 23.3 -97.1 9 200 11370 360 110 -0.0 -110.0 | 341 73 23.3 -69.1 10 150 13250 360 108 -0.0 -108.0 | 341 71 23.3 -67.1 Wind Parameters Mean winds (0-6000m): 359.7 at 62.8 knts Storm direction: 29.7 at 47.1 knts Shear (0-3000m) pos: 8.6 neg: 0.0 tot: 8.6 10-3/s Storm rel Dir Shear (0-3000m): 84.7 deg Storm rel helicity (0-3000m) pos: 516.5 neg: 0.0 tot: 516.5 m^2/s^2 ave: 172.2 10^-3 m/s^2 rel: 0.90 Storm rel vorticity (0-3000m) horiz: 10.0 stream: 9.1 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.04 Bulk Shear: 256.42 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 ------------------------------------------------------------------------------- 500 333 22 238 40| 30.0 0.0 30.0|317.2 0.0 317.2 634.4 0.98| 30.4 29.7 1000 339 31 251 36| 19.5 0.0 19.5|410.7 0.0 410.7 410.7 0.95| 21.1 19.9 1500 344 36 259 34| 14.2 0.0 14.2|445.5 0.0 445.5 297.0 0.93| 15.8 14.7 2000 347 39 265 32| 11.0 0.0 11.0|462.1 0.0 462.1 231.1 0.91| 12.7 11.6 2500 350 41 269 31| 9.2 0.0 9.2|478.0 0.0 478.0 191.2 0.90| 10.8 9.7 3000 352 43 273 29| 8.6 0.0 8.6|516.5 0.0 516.5 172.2 0.90| 10.0 9.1 4000 355 48 284 28| 8.2 0.0 8.2|608.1 0.0 608.1 152.0 0.89| 9.3 8.3 5000 358 54 297 28| 8.0 0.0 8.0|706.2 0.0 706.2 141.2 0.86| 8.9 7.6 6000 360 63 313 32| 6.7 4.0 10.7|860.0 0.0 860.0 143.3 0.63| 11.4 7.1 Wrote GIF file: /home/apache/climate/data/raob//U6298/skewt/U6298.skewt.20251226.00.gif