UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122812.upa.cvt Date: 1200Z 28 DEC 25 Searching for U6298... Searching the city database file for: U6298 ... Date:1200Z 28 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 -26 SFC 973 188 -3.1 -4.2 92 1.1 -3.5 20 1 272.2 272.6 271.1 280.0 2.87 2 925 580 -6.9 -9.1 84 2.2 -7.6 60 9 272.3 272.6 269.9 278.0 2.07 3 919 631 -7.1 -9.1 86 2.0 -7.7 59 9 272.6 272.9 270.1 278.3 2.09 4 850 1244 -9.1 -11.4 83 2.3 -9.8 45 9 276.6 276.9 272.3 281.9 1.88 5 700 2730 -15.1 -18.0 78 2.9 -15.8 50 9 285.8 286.0 276.5 289.7 1.32 6 604 3831 -20.7 -23.8 76 3.1 -21.3 63 8 291.6 291.8 278.9 294.5 0.93 7 500 5200 -30.5 -33.5 75 3.0 -30.9 80 7 295.9 295.9 280.1 297.3 0.45 8 425 6336 -38.3 -41.4 73 3.1 -38.5 84 6 300.0 300.0 281.7 300.8 0.24 9 400 6750 -41.7 -44.8 72 3.1 -41.9 85 5 300.8 300.8 281.9 301.4 0.18 10 300 8620 -58.5 -62.9 57 4.4 -58.6 125 7 302.9 302.9 282.6 303.0 0.03 11 276 9146 -62.5 -66.9 55 4.4 -62.6 60 7 304.4 304.4 283.2 304.5 0.02 12 250 9770 -58.3 -63.0 55 4.7 -58.4 340 7 319.4 319.4 288.6 319.5 0.03 13 226 10407 -55.1 -59.9 55 4.8 -55.2 342 15 333.6 333.7 292.7 333.9 0.05 14 201 11149 -57.5 -63.5 46 6.0 -57.6 345 25 341.2 341.2 294.7 341.4 0.04 15 200 11180 -57.3 -63.3 46 6.0 -57.4 345 25 342.0 342.0 294.8 342.2 0.04 16 186 11639 -55.1 -61.1 47 6.0 -55.2 344 28 352.8 352.8 297.3 353.0 0.06 17 171 12171 -57.7 -64.7 40 7.0 -57.8 342 30 357.0 357.0 298.1 357.2 0.04 18 154 12833 -55.5 -63.5 36 8.0 -55.7 340 34 371.6 371.7 300.9 371.9 0.05 19 150 13000 -56.9 -64.9 36 8.0 -57.1 340 35 372.0 372.1 300.9 372.2 0.04 20 142 13346 -58.1 -67.1 31 9.0 -58.3 337 35 375.8 375.8 301.6 376.0 0.03 21 132 13810 -54.9 -63.9 32 9.0 -55.2 334 36 389.5 389.5 303.8 389.7 0.05 22 101 15507 -58.3 -69.3 23 11.0 -58.6 320 38 413.9 413.9 307.0 414.1 0.03 23 100 15570 -57.5 -68.5 23 11.0 -57.8 320 38 416.6 416.6 307.3 416.8 0.04 24 93 16027 -55.7 -67.7 21 12.0 -56.1 311 37 428.9 428.9 308.7 429.2 0.05 25 76 17291 -60.9 -72.9 19 12.0 -61.2 285 36 443.5 443.5 310.3 443.7 0.03 26 70 17800 -60.3 -73.3 17 13.0 -60.6 275 35 455.4 455.4 311.4 455.5 0.03 27 67 18073 -60.5 -73.5 17 13.0 -60.9 460.7 460.7 311.8 460.8 0.03 28 66 18166 -62.7 -74.7 18 12.0 -63.0 457.9 457.9 311.6 458.0 0.02 TRP 276 9146 -62.5 -66.9 55 4.4 -62.6 60 7 304.4 304.4 283.2 304.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5226.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.30 inches Sfc-500 mean rel hum: 79.59 % Est. max temperature: 2.81 C = 37.05 F Sfc-Lift cond lev (LCL): 956.14 mb = 323.24 m = 1060.50 ft T: -4.41 C 700-500 lapse rate: 6.23 C/km ThetaE index: 2.01 C Layer 925.0- 919.0 mb Conv cond level (CCL): 843.26 mb = 1304.91 m = 4281.16 ft Mean mixing ratio: 2.23 g/kg Conv temperature: 1.68 C = 35.02 F Cap Strength: 11.86 C Lifted Index: 14.07 C Risk: None Lifted Index @300 mb: 16.83 C Lifted Index @700 mb: 8.17 C Showalter Index: 11.90 C Risk: None Total Totals Index: 40.50 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 19.10 C K Index: 7.10 Risk: None Sweat Index: 25.00 Risk: None Energy Index: 3.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.50 J/kg Max Up Vert Vel: 5.00 m/s Conv Inhibition (B-): 24368.16 J/kg Cap Strength: 13.92 C Lift Cond Lev (LCL): 895.96 mb = 830.67 m = 2725.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 90 at 6 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 ---------------------------------------------------------- 0 973 188 20 1 -0.3 -0.9 | 279 6 5.6 -0.9 1 925 580 60 9 -7.8 -4.5 | 23 5 -1.9 -4.5 2 850 1244 45 9 -6.4 -6.4 | 4 6 -0.5 -6.3 3 700 2730 50 9 -6.9 -5.8 | 10 6 -1.0 -5.8 4 500 5200 80 7 -6.9 -1.2 | 40 2 -1.0 -1.2 5 400 6750 85 5 -5.0 -0.4 | 293 1 0.9 -0.4 6 300 8620 125 7 -5.7 4.0 | 182 4 0.2 4.0 7 276 9146 60 7 -6.1 -3.5 | 3 3 -0.2 -3.5 8 250 9770 340 7 2.4 -6.6 | 308 11 8.3 -6.5 9 200 11180 345 25 6.5 -24.1 | 333 27 12.4 -24.1 10 150 13000 340 35 12.0 -32.9 | 331 37 17.9 -32.9 11 100 15570 320 38 24.4 -29.1 | 314 42 30.3 -29.1 12 70 17800 275 35 34.9 -3.1 | 274 41 40.8 -3.0 Wind Parameters Mean winds (0-6000m): 59.7 at 7.9 knts Storm direction: 89.7 at 5.9 knts Shear (0-3000m) pos: 1.4 neg: 0.3 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 94.8 deg Storm rel helicity (0-3000m) pos: 12.3 neg: -2.6 tot: 9.7 m^2/s^2 ave: 3.2 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 2.2 stream: 1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 21.98 Bulk Shear: 0.57 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 57 6 342 3| 8.5 0.0 8.5| 10.8 -0.4 10.4 20.9 0.91| 9.5 8.7 1000 54 7 1 4| 4.2 0.9 5.1| 10.8 -2.4 8.4 8.4 0.64| 5.7 3.6 1500 51 8 3 5| 2.8 0.6 3.4| 11.1 -2.6 8.5 5.6 0.62| 3.9 2.4 2000 50 8 4 5| 2.1 0.5 2.6| 11.4 -2.6 8.8 4.4 0.63| 3.0 1.9 2500 50 8 5 5| 1.7 0.4 2.1| 11.7 -2.6 9.1 3.6 0.63| 2.5 1.5 3000 50 8 6 5| 1.4 0.3 1.7| 12.3 -2.6 9.7 3.2 0.62| 2.2 1.4 4000 53 8 9 5| 1.0 0.2 1.3| 13.1 -2.6 10.5 2.6 0.59| 1.9 1.1 5000 56 8 11 5| 0.8 0.2 1.0| 13.5 -2.6 10.9 2.2 0.56| 1.7 1.0 6000 60 8 13 4| 0.6 0.2 0.7| 13.5 -2.9 10.7 1.8 0.47| 1.5 0.7 Wrote GIF file: /home/apache/climate/data/raob//U6298/skewt/U6298.skewt.20251228.12.gif