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 U3921... Searching the city database file for: U3921 ... Date:1200Z 18 JAN 26 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 1015 96 -10.7 -12.9 84 2.2 -11.2 125 3 261.3 261.6 261.0 265.1 1.39 1 1000 210 -11.7 -14.7 78 3.0 -12.3 145 3 261.5 261.6 260.8 264.8 1.22 2 994 256 -12.1 -15.0 79 2.9 -12.7 152 3 261.5 261.7 260.8 264.7 1.20 3 925 808 -11.1 -13.8 80 2.7 -11.8 230 5 268.0 268.2 265.9 271.9 1.42 4 898 1035 -10.9 -13.5 81 2.6 -11.5 226 4 270.4 270.7 267.8 274.6 1.50 5 867 1305 -11.7 -14.1 82 2.4 -12.3 222 3 272.3 272.6 269.0 276.5 1.48 6 850 1456 -13.1 -15.9 79 2.8 -13.7 220 3 272.4 272.6 268.7 276.1 1.30 7 802 1896 -16.3 -18.8 81 2.5 -16.8 254 5 273.6 273.8 269.1 276.7 1.08 8 800 1915 -14.9 -17.5 81 2.6 -15.4 256 5 275.3 275.5 270.4 278.7 1.21 9 795 1962 -13.7 -16.2 81 2.5 -14.3 260 6 277.0 277.3 271.7 281.0 1.36 10 719 2724 -15.1 -23.1 50 8.0 -16.7 319 10 283.6 283.7 274.6 286.1 0.83 11 700 2926 -16.1 -24.1 50 8.0 -17.6 335 11 284.7 284.8 275.1 287.0 0.78 12 569 4462 -24.7 -39.7 24 15.0 -26.2 341 20 291.9 292.0 278.0 292.6 0.21 13 513 5208 -30.5 -48.5 16 18.0 -31.6 344 24 293.7 293.7 278.6 294.0 0.09 14 500 5390 -31.9 -48.9 17 17.0 -32.9 345 25 294.1 294.2 278.9 294.5 0.09 15 496 5447 -32.1 -49.1 17 17.0 -33.1 345 25 294.6 294.6 279.0 294.9 0.09 16 400 6920 -45.3 -55.3 32 10.0 -45.6 345 31 296.1 296.1 279.7 296.3 0.05 17 353 7738 -52.7 -61.7 33 9.0 -52.8 341 34 296.9 296.9 280.0 297.0 0.03 18 300 8770 -59.3 -68.3 30 9.0 -59.4 335 38 301.8 301.8 282.1 301.8 0.01 19 277 9265 -62.3 -70.3 33 8.0 -62.4 340 36 304.4 304.4 283.2 304.4 0.01 20 258 9705 -61.1 -69.1 34 8.0 -61.2 343 34 312.4 312.4 286.2 312.5 0.01 21 250 9900 -61.5 -69.5 34 8.0 -61.6 345 33 314.6 314.6 287.0 314.7 0.01 22 200 11280 -60.5 -68.5 34 8.0 -60.6 335 27 337.0 337.0 293.6 337.0 0.02 23 164 12523 -59.5 -68.5 30 9.0 -59.6 335 28 358.3 358.3 298.4 358.4 0.02 24 150 13080 -61.7 -70.7 29 9.0 -61.8 335 29 363.8 363.8 299.4 363.9 0.02 25 138 13595 -63.5 -72.5 28 9.0 -63.6 334 30 369.4 369.4 300.5 369.5 0.02 26 100 15560 -66.9 -76.9 23 10.0 -67.0 330 33 398.5 398.5 305.0 398.5 0.01 27 80 16898 -69.9 -79.9 22 10.0 -70.0 418.5 418.6 307.6 418.6 0.01 TRP 277 9265 -62.3 -70.3 33 8.0 -62.4 340 36 304.4 304.4 283.2 304.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5180.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 53.23 % Est. max temperature: 0.36 C = 32.66 F Sfc-Lift cond lev (LCL): 979.67 mb = 367.53 m = 1205.79 ft T: -11.90 C 700-500 lapse rate: 6.41 C/km ThetaE index: 0.40 C Layer 850.0- 802.0 mb Conv cond level (CCL): 654.97 mb = 3418.89 m = 11216.69 ft Mean mixing ratio: 1.32 g/kg Conv temperature: 15.08 C = 59.15 F Cap Strength: 21.34 C Lifted Index: 21.58 C Risk: None Lifted Index @300 mb: 23.88 C Lifted Index @700 mb: 15.99 C Showalter Index: 15.07 C Risk: None Total Totals Index: 34.80 C Risk: None Vertical Totals Index: 18.80 C Cross Totals Index: 16.00 C K Index: -5.10 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 3.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.22 J/kg Max Up Vert Vel: 6.04 m/s Conv Inhibition (B-): 25039.22 J/kg Cap Strength: 21.52 C Lift Cond Lev (LCL): 921.66 mb = 835.75 m = 2741.93 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 8 at 10 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 1015 96 125 3 -2.5 1.7 | 174 12 -1.1 11.6 1 1000 210 145 3 -1.7 2.5 | 178 12 -0.4 12.3 2 925 808 230 5 3.8 3.2 | 202 14 5.2 13.1 3 850 1456 220 3 1.9 2.3 | 195 13 3.3 12.1 4 700 2926 335 11 4.6 -10.0 | 271 6 6.0 -0.1 5 500 5390 345 25 6.5 -24.1 | 331 16 7.8 -14.3 6 400 6920 345 31 8.0 -29.9 | 335 22 9.4 -20.1 7 300 8770 335 38 16.1 -34.4 | 325 30 17.4 -24.6 8 277 9265 340 36 12.3 -33.8 | 330 28 13.7 -24.0 9 250 9900 345 33 8.5 -31.9 | 336 24 9.9 -22.0 10 200 11280 335 27 11.4 -24.5 | 319 19 12.7 -14.6 11 150 13080 335 29 12.3 -26.3 | 320 21 13.6 -16.4 12 100 15560 330 33 16.5 -28.6 | 316 26 17.8 -18.7 Wind Parameters Mean winds (0-6000m): 337.7 at 13.3 knts Storm direction: 7.7 at 9.9 knts Shear (0-3000m) pos: 2.5 neg: 0.0 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 105.1 deg Storm rel helicity (0-3000m) pos: 63.7 neg: -4.4 tot: 59.3 m^2/s^2 ave: 19.8 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 3.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.49 Bulk Shear: 36.87 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 ------------------------------------------------------------------------------- 500 169 3 183 13| 4.7 0.0 4.7| 13.6 0.0 13.6 27.1 0.82| 4.9 4.0 1000 206 4 193 14| 2.8 0.0 2.8| 22.4 -2.1 20.4 20.4 0.71| 4.1 2.9 1500 213 4 195 14| 1.9 0.0 1.9| 25.2 -4.4 20.8 13.8 0.59| 3.4 2.0 2000 228 4 199 13| 2.3 0.0 2.3| 40.1 -4.4 35.7 17.8 0.71| 3.7 2.6 2500 257 5 209 13| 2.5 0.0 2.5| 55.0 -4.4 50.6 20.3 0.75| 4.2 3.1 3000 294 6 222 10| 2.5 0.0 2.5| 63.7 -4.4 59.3 19.8 0.76| 4.5 3.4 4000 322 8 241 7| 2.6 0.0 2.6| 73.0 -4.4 68.5 17.1 0.76| 4.1 3.1 5000 333 11 266 6| 2.6 0.0 2.6| 84.0 -4.4 79.6 15.9 0.73| 3.9 2.8 6000 338 13 291 7| 2.4 0.2 2.6| 90.5 -4.4 86.1 14.4 0.69| 3.6 2.5 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20260118.12.gif