UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011212.upa.cvt Date: 1200Z 12 JAN 26 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 12 JAN 26 Station: U9231 WMO ident: 29231 Latitude: 58.30 Longitude: 82.88 ------------------------------------------------------------------------------- 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 66 20 1 SFC 999 73 -20.3 -23.9 73 3.6 -20.8 20 1 252.9 253.0 252.5 254.4 0.55 2 968 306 -21.9 -25.4 73 3.5 -22.3 28 6 253.6 253.7 252.9 255.0 0.50 3 925 645 -15.7 -17.9 83 2.2 -16.1 40 13 263.3 263.4 261.7 266.0 1.01 4 903 827 -12.9 -14.3 89 1.4 -13.2 36 15 268.0 268.2 265.9 271.8 1.40 5 850 1287 -13.7 -15.7 85 2.0 -14.2 25 21 271.8 272.0 268.4 275.5 1.32 6 773 2003 -15.9 -18.3 82 2.4 -16.4 1 30 276.9 277.1 271.3 280.3 1.17 7 748 2250 -15.1 -17.7 80 2.6 -15.7 352 34 280.4 280.6 273.5 284.1 1.27 8 700 2747 -17.3 -19.9 80 2.6 -17.9 335 40 283.3 283.5 274.9 286.7 1.12 9 572 4244 -21.5 -24.1 79 2.6 -22.0 323 50 295.2 295.4 280.6 298.3 0.95 10 500 5220 -28.3 -31.1 77 2.8 -28.7 315 56 298.5 298.6 281.5 300.4 0.57 11 400 6790 -40.5 -43.3 74 2.8 -40.6 290 62 302.4 302.4 282.6 303.1 0.21 12 354 7614 -45.7 -48.5 73 2.8 -45.8 282 64 306.1 306.1 284.0 306.6 0.13 13 300 8690 -56.7 270 66 305.4 14 286 8990 -58.7 267 67 306.8 15 256 9675 -62.9 260 69 310.4 16 252 9771 -63.5 265 68 311.0 17 250 9820 -62.9 265 64 312.6 18 200 11220 -60.3 275 56 337.3 19 150 13030 -58.1 285 56 370.0 20 138 13556 -57.1 285 57 380.7 21 100 15570 -61.5 285 60 408.9 22 98 15695 -61.5 285 60 411.3 23 70 17760 -65.7 280 66 443.8 24 64 18304 -65.9 454.9 TRP 252 9771 -63.5 265 68 311.0 WND 256 9675 -62.9 260 69 310.4 Sounding variables and indices 1000-500 mb thick: 5154.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 80.51 % Est. max temperature: -1.37 C = 29.53 F Sfc-Lift cond lev (LCL): 941.33 mb = 514.54 m = 1688.10 ft T: -18.09 C 700-500 lapse rate: 4.45 C/km Conv cond level (CCL): 999.00 mb = 73.41 m = 240.86 ft Mean mixing ratio: 0.82 g/kg Conv temperature: -19.50 C = -3.10 F Cap Strength: 29.22 C Lifted Index: 30.74 C Risk: None Lifted Index @300 mb: 31.38 C Lifted Index @700 mb: 20.59 C Showalter Index: 19.14 C Risk: None Total Totals Index: 27.20 C Risk: None Vertical Totals Index: 14.60 C Cross Totals Index: 12.60 C K Index: -3.70 Risk: None Sweat Index: 98.00 Risk: None Energy Index: 5.22 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 57.93 J/kg Max Up Vert Vel: 10.76 m/s Conv Inhibition (B-): 34101.64 J/kg Cap Strength: 30.57 C Lift Cond Lev (LCL): 917.93 mb = 703.12 m = 2306.80 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 359 at 29 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 ---------------------------------------------------------- 0 999 73 20 1 -0.3 -0.9 | 178 28 -0.9 27.6 1 925 645 40 13 -8.4 -10.0 | 154 21 -8.9 18.5 2 850 1287 25 21 -8.9 -19.0 | 135 13 -9.5 9.5 3 700 2747 335 40 16.9 -36.3 | 295 18 16.3 -7.8 4 500 5220 315 56 39.6 -39.6 | 286 41 39.0 -11.1 5 400 6790 290 62 58.3 -21.2 | 263 58 57.7 7.3 6 300 8690 270 66 66.0 -0.0 | 246 71 65.4 28.5 7 256 9675 260 69 68.0 12.0 | 239 79 67.4 40.5 8 252 9771 265 68 67.7 5.9 | 243 75 67.2 34.4 9 250 9820 265 64 63.8 5.6 | 242 72 63.2 34.1 10 200 11220 275 56 55.8 -4.9 | 247 60 55.2 23.6 11 150 13030 285 56 54.1 -14.5 | 255 55 53.5 14.0 12 100 15570 285 60 58.0 -15.5 | 257 59 57.4 13.0 13 70 17760 280 66 65.0 -11.5 | 255 67 64.4 17.0 Wind Parameters Mean winds (0-6000m): 328.8 at 38.0 knts Storm direction: 358.8 at 28.5 knts Shear (0-3000m) pos: 1.8 neg: 6.6 tot: 8.4 10-3/s Storm rel Dir Shear (0-3000m): 116.8 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -112.5 tot: -112.5 m^2/s^2 ave: -37.5 10^-3 m/s^2 rel: -0.55 Storm rel vorticity (0-3000m) horiz: 9.8 stream: -5.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.33 Bulk Shear: 174.54 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 39 6 169 24| 10.9 0.0 10.9| 0.0 -47.7 -47.7 -95.4 -0.73| 11.0 -8.0 1000 36 11 161 21| 5.4 3.7 9.1| 0.0 -74.7 -74.7 -74.7 -0.72| 9.4 -6.8 1500 29 14 155 18| 3.6 5.1 8.7| 0.0 -88.2 -88.2 -58.8 -0.64| 9.2 -5.9 2000 19 18 152 14| 2.7 6.0 8.8| 0.0 -94.6 -94.6 -47.3 -0.65| 9.7 -6.3 2500 7 21 158 8| 2.2 6.8 8.9| 0.0-104.6-104.6 -41.8 -0.59| 10.3 -6.1 3000 357 24 188 5| 1.8 6.6 8.4| 0.0-112.5-112.5 -37.5 -0.55| 9.8 -5.4 4000 345 29 268 7| 1.4 6.0 7.3| 0.0-123.1-123.1 -30.8 -0.50| 8.5 -4.2 5000 336 34 281 13| 1.1 5.6 6.7| 0.0-150.1-150.1 -30.0 -0.47| 7.8 -3.7 6000 329 38 282 20| 0.9 5.3 6.2| 0.0-280.0-280.0 -46.7 -0.51| 7.9 -4.0 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20260112.12.gif