UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 8 DEC 25 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 ------------------------------------------------------------------------------- SFC 1028 81 -35.7 -40.7 60 5.0 -35.9 320 1 235.6 235.6 235.5 235.9 0.11 1 1010 205 -31.9 -35.5 70 3.6 -32.1 320 2 240.6 240.6 240.4 241.1 0.18 2 1000 275 -30.5 -34.0 71 3.5 -30.7 320 3 242.6 242.7 242.5 243.2 0.22 3 945 683 -22.5 -24.8 81 2.3 -22.8 324 4 254.7 254.8 254.0 256.2 0.54 4 925 840 -22.3 -24.8 80 2.5 -22.6 325 5 256.5 256.6 255.5 258.0 0.55 5 850 1462 -21.1 -24.6 73 3.5 -21.6 330 5 264.0 264.1 261.6 265.8 0.61 6 817 1754 -20.5 -25.4 65 4.9 -21.2 330 6 267.7 267.8 264.2 269.4 0.59 7 700 2884 -26.1 -36.1 39 10.0 -27.0 330 9 273.6 273.6 267.6 274.4 0.25 8 599 3998 -32.5 -43.5 33 11.0 -33.1 335 12 278.6 278.7 270.6 279.1 0.14 9 500 5250 -40.7 -50.7 33 10.0 -41.1 340 15 283.4 283.4 273.3 283.7 0.07 10 471 5655 -43.9 -53.9 32 10.0 -44.2 336 16 284.3 284.3 273.8 284.5 0.05 11 400 6740 -49.5 -58.5 34 9.0 -49.7 325 19 290.7 290.7 277.0 290.8 0.04 12 312 8334 -59.1 -68.1 30 9.0 -59.2 308 24 298.7 298.7 280.8 298.7 0.01 13 300 8580 -59.7 -68.7 30 9.0 -59.8 305 25 301.2 301.2 281.8 301.2 0.01 14 259 9491 -61.5 -70.5 29 9.0 -61.6 300 27 311.5 311.5 285.9 311.5 0.01 15 250 9710 -61.1 -70.1 29 9.0 -61.2 300 27 315.2 315.2 287.2 315.3 0.01 16 200 11100 -60.1 -69.1 30 9.0 -60.2 295 31 337.6 337.6 293.7 337.7 0.02 17 178 11826 -59.3 -69.3 26 10.0 -59.5 293 33 350.3 350.3 296.7 350.4 0.02 18 150 12890 -60.9 -70.9 26 10.0 -61.0 290 35 365.2 365.2 299.7 365.2 0.02 19 100 15410 -62.7 -72.7 25 10.0 -62.9 280 40 406.6 406.6 306.1 406.7 0.02 20 91 15989 -64.3 -74.3 24 10.0 -64.4 414.5 414.5 307.1 414.6 0.02 21 74 17251 -65.3 -75.3 24 10.0 -65.5 437.7 437.7 309.7 437.8 0.02 TRP 259 9491 -61.5 -70.5 29 9.0 -61.6 300 27 311.5 311.5 285.9 311.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 4975.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 50.80 % Est. max temperature: -9.95 C = 14.09 F Sfc-Lift cond lev (LCL): 942.81 mb = 700.12 m = 2296.96 ft T: -22.48 C 700-500 lapse rate: 6.17 C/km ThetaE index: 0.00 C Layer 1028.0-190232055819272192.0 mb Conv cond level (CCL): 1010.00 mb = 204.55 m = 671.09 ft Mean mixing ratio: 0.35 g/kg Conv temperature: -27.57 C = -17.62 F Cap Strength: 26.25 C Lifted Index: 28.80 C Risk: None Lifted Index @300 mb: 37.49 C Lifted Index @700 mb: 22.98 C Showalter Index: 14.59 C Risk: None Total Totals Index: 35.70 C Risk: None Vertical Totals Index: 19.60 C Cross Totals Index: 16.10 C K Index: -15.00 Risk: None Sweat Index: 25.00 Risk: None Energy Index: 3.81 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 63.91 J/kg Max Up Vert Vel: 11.31 m/s Conv Inhibition (B-): 33244.12 J/kg Cap Strength: 28.57 C Lift Cond Lev (LCL): 948.79 mb = 654.23 m = 2146.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 4 at 7 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 1028 81 320 1 0.6 -0.8 | 190 7 1.1 6.5 1 1000 275 320 3 1.9 -2.3 | 206 5 2.4 4.9 2 925 840 325 5 2.9 -4.1 | 227 5 3.4 3.1 3 850 1462 330 5 2.5 -4.3 | 226 4 3.0 2.9 4 700 2884 330 9 4.5 -7.8 | 277 5 5.0 -0.6 5 500 5250 340 15 5.1 -14.1 | 321 9 5.6 -6.9 6 400 6740 325 19 10.9 -15.6 | 306 14 11.4 -8.3 7 300 8580 305 25 20.5 -14.3 | 289 22 21.0 -7.1 8 259 9491 300 27 23.4 -13.5 | 285 25 23.9 -6.3 9 250 9710 300 27 23.4 -13.5 | 285 25 23.9 -6.3 10 200 11100 295 31 28.1 -13.1 | 282 29 28.6 -5.9 11 150 12890 290 35 32.9 -12.0 | 278 34 33.4 -4.8 12 100 15410 280 40 39.4 -6.9 | 270 40 39.9 0.3 Wind Parameters Mean winds (0-6000m): 334.0 at 9.6 knts Storm direction: 4.0 at 7.2 knts Shear (0-3000m) pos: 1.0 neg: 0.5 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): 91.8 deg Storm rel helicity (0-3000m) pos: 10.0 neg: -0.1 tot: 9.9 m^2/s^2 ave: 3.3 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 1.5 stream: 1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 10.37 Bulk Shear: 6.16 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 ------------------------------------------------------------------------------- 500 321 3 205 5| 3.2 0.0 3.2| 4.0 0.0 4.0 8.0 0.86| 3.2 2.7 1000 324 4 214 5| 2.1 0.0 2.1| 5.1 -0.0 5.0 5.0 0.83| 2.2 1.8 1500 326 4 218 5| 1.5 0.0 1.5| 5.4 -0.1 5.3 3.6 0.79| 1.6 1.3 2000 327 5 223 4| 1.1 0.4 1.5| 6.9 -0.1 6.8 3.4 0.84| 1.6 1.3 2500 328 5 230 4| 0.9 0.6 1.5| 8.4 -0.1 8.3 3.3 0.86| 1.6 1.3 3000 328 6 237 4| 1.0 0.5 1.5| 10.0 -0.1 9.9 3.3 0.86| 1.5 1.3 4000 330 7 254 4| 1.1 0.4 1.4| 13.4 -0.1 13.4 3.3 0.85| 1.5 1.3 5000 333 8 273 4| 1.1 0.3 1.4| 17.4 -0.1 17.3 3.5 0.83| 1.5 1.2 6000 334 10 287 5| 0.9 0.5 1.4| 18.0 -4.0 14.0 2.3 0.60| 1.5 0.9 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251208.12.gif