UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011812.upa.cvt Date: 1200Z 18 JAN 26 Searching for U8951... Searching the city database file for: U8951 ... Date:1200Z 18 JAN 26 Station: U8951 WMO ident: 28951 Latitude: 53.23 Longitude: 63.62 ------------------------------------------------------------------------------- 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 1012 168 -18.1 -23.1 65 5.0 -18.8 210 3 254.2 254.3 253.6 255.8 0.59 1 1010 183 -18.1 -29.1 38 11.0 -19.3 212 4 254.3 254.4 253.2 255.3 0.34 2 1002 242 -18.5 -29.5 37 11.0 -19.7 218 6 254.5 254.6 253.3 255.4 0.33 3 1000 257 -18.3 -29.3 37 11.0 -19.5 220 7 254.9 254.9 253.6 255.8 0.34 4 998 272 -17.5 -28.5 38 11.0 -18.8 221 7 255.8 255.9 254.5 256.8 0.36 5 990 333 -10.3 -22.3 37 12.0 -12.5 225 8 263.6 263.7 261.3 265.4 0.64 6 978 427 -8.5 -20.5 37 12.0 -10.9 231 9 266.3 266.5 263.6 268.5 0.76 7 936 768 -8.9 -21.9 34 13.0 -11.5 254 12 269.3 269.4 265.6 271.3 0.71 8 925 859 -9.5 -22.5 34 13.0 -12.0 260 13 269.6 269.7 265.7 271.6 0.68 9 850 1507 -13.5 -25.5 36 12.0 -15.5 250 19 272.0 272.1 267.1 273.7 0.56 10 800 1966 -15.7 -27.7 35 12.0 -17.6 272 21 274.4 274.5 268.6 275.9 0.49 11 783 2129 -13.3 -25.3 36 12.0 -15.4 280 22 278.7 278.8 271.5 280.6 0.62 12 700 2978 -15.9 -25.9 42 10.0 -17.7 320 27 284.9 285.0 275.0 286.9 0.66 13 697 3010 -16.1 -26.1 42 10.0 -17.9 320 27 285.0 285.1 275.1 287.0 0.65 14 515 5221 -30.5 -39.5 41 9.0 -31.3 311 34 293.4 293.4 278.7 294.2 0.24 15 500 5430 -32.1 -41.1 40 9.0 -32.8 310 35 293.9 293.9 278.9 294.6 0.21 16 400 6970 -44.5 -54.5 32 10.0 -44.8 320 38 297.2 297.2 280.1 297.4 0.06 17 321 8404 -56.9 -68.9 21 12.0 -57.0 324 41 299.3 299.3 281.0 299.3 0.01 18 300 8830 -59.7 -71.7 20 12.0 -59.8 325 42 301.2 301.2 281.8 301.2 0.01 19 276 9348 -62.3 -74.3 19 12.0 -62.4 330 40 304.7 304.7 283.3 304.7 0.01 20 250 9960 -61.1 -73.1 19 12.0 -61.2 330 33 315.2 315.2 287.2 315.3 0.01 21 204 11217 -61.5 -73.5 19 12.0 -61.6 335 28 333.5 333.5 292.7 333.5 0.01 22 200 11340 -60.5 -72.5 19 12.0 -60.6 335 27 337.0 337.0 293.6 337.0 0.01 23 177 12104 -57.9 -68.9 23 11.0 -58.0 333 26 353.2 353.2 297.3 353.3 0.02 24 150 13140 -59.9 -71.9 19 12.0 -60.1 330 25 366.9 366.9 300.0 367.0 0.02 25 100 15680 -61.1 -79.1 8 18.0 -61.3 325 31 409.7 409.7 306.5 409.7 0.01 26 73 17606 -67.3 -95.3 1 28.0 -67.5 316 42 435.2 435.2 309.4 435.2 0.00 27 70 17860 -66.5 -94.5 1 28.0 -66.7 315 44 442.1 442.1 310.1 442.1 0.00 28 50 19880 -68.7 -95.7 1 27.0 -68.9 310 64 481.6 481.6 313.6 481.6 0.00 29 46 20380 -67.9 -94.9 1 27.0 -68.1 495.1 495.1 314.6 495.2 0.00 30 38 21519 -71.5 -97.5 1 26.0 -71.6 513.8 513.8 315.9 513.8 0.00 TRP 276 9348 -62.3 -74.3 19 12.0 -62.4 330 40 304.7 304.7 283.3 304.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5173.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 38.84 % Est. max temperature: -0.61 C = 30.89 F Sfc-Lift cond lev (LCL): 932.19 mb = 799.12 m = 2621.75 ft T: -9.11 C 700-500 lapse rate: 6.61 C/km ThetaE index: 0.50 C Layer 1010.0-1002.0 mb Conv cond level (CCL): 530.37 mb = 5006.05 m = 16423.86 ft Mean mixing ratio: 0.65 g/kg Conv temperature: 20.43 C = 68.78 F Cap Strength: 21.63 C Lifted Index: 21.90 C Risk: None Lifted Index @300 mb: 23.95 C Lifted Index @700 mb: 16.72 C Showalter Index: 16.81 C Risk: None Total Totals Index: 25.20 C Risk: None Vertical Totals Index: 18.60 C Cross Totals Index: 6.60 C K Index: -16.90 Risk: None Sweat Index: 206.25 Risk: None Energy Index: 4.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 59.41 J/kg Max Up Vert Vel: 10.90 m/s Conv Inhibition (B-): 39927.51 J/kg Cap Strength: 21.84 C Lift Cond Lev (LCL): 792.16 mb = 2040.91 m = 6695.81 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 334 at 19 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 1012 168 210 3 1.5 2.6 | 161 21 -7.0 19.9 1 1000 257 220 7 4.5 5.4 | 170 23 -4.0 22.6 2 925 859 260 13 12.8 2.3 | 192 20 4.3 19.5 3 850 1507 250 19 17.9 6.5 | 201 26 9.3 23.8 4 700 2978 320 27 17.4 -20.7 | 291 9 8.8 -3.4 5 500 5430 310 35 26.8 -22.5 | 286 19 18.3 -5.2 6 400 6970 320 38 24.4 -29.1 | 307 20 15.9 -11.8 7 300 8830 325 42 24.1 -34.4 | 318 23 15.6 -17.1 8 276 9348 330 40 20.0 -34.6 | 327 21 11.5 -17.4 9 250 9960 330 33 16.5 -28.6 | 325 14 8.0 -11.3 10 200 11340 335 27 11.4 -24.5 | 338 8 2.9 -7.2 11 150 13140 330 25 12.5 -21.7 | 318 6 4.0 -4.4 12 100 15680 325 31 17.8 -25.4 | 311 12 9.3 -8.1 13 70 17860 315 44 31.1 -31.1 | 302 26 22.6 -13.8 14 50 19880 310 64 49.0 -41.1 | 301 47 40.5 -23.9 Wind Parameters Mean winds (0-6000m): 303.7 at 25.7 knts Storm direction: 333.7 at 19.3 knts Shear (0-3000m) pos: 4.9 neg: 0.0 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 130.5 deg Storm rel helicity (0-3000m) pos: 200.2 neg: -0.0 tot: 200.2 m^2/s^2 ave: 66.7 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 6.9 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 0.78 Bulk Shear: 76.24 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 ------------------------------------------------------------------------------- 500 235 8 175 22| 9.2 0.0 9.2| 55.0 0.0 55.0 110.1 0.93| 10.3 9.6 1000 250 11 185 21| 7.2 0.0 7.2| 81.7 0.0 81.7 81.7 0.87| 8.4 7.3 1500 251 13 191 22| 6.2 0.0 6.2|106.7 0.0 106.7 71.1 0.81| 7.6 6.2 2000 258 15 197 21| 5.6 0.0 5.6|149.0 0.0 149.0 74.5 0.81| 8.1 6.6 2500 269 17 206 20| 5.3 0.0 5.3|182.5 0.0 182.5 73.0 0.81| 8.6 6.9 3000 281 19 215 17| 4.9 0.0 4.9|200.2 -0.0 200.2 66.7 0.81| 8.4 6.9 4000 295 21 232 14| 3.7 0.5 4.2|200.2 -1.3 198.9 49.7 0.75| 6.8 5.1 5000 301 24 246 13| 3.0 0.8 3.8|200.2 -4.3 195.9 39.2 0.68| 5.9 4.0 6000 304 26 257 13| 2.7 0.7 3.4|216.7 -5.2 211.5 35.2 0.68| 5.3 3.6 Wrote GIF file: /home/apache/climate/data/raob//U8951/skewt/U8951.skewt.20260118.12.gif