UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121012.upa.cvt Date: 1200Z 10 DEC 25 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 10 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 1023 79 -20.5 -23.7 75 3.2 -20.9 260 3 251.0 251.1 250.8 252.5 0.55 1 1000 248 -18.3 -22.0 73 3.7 -18.8 265 5 254.9 255.0 254.3 256.6 0.66 2 936 749 -9.9 -14.9 67 5.0 -11.1 269 8 268.3 268.5 265.9 271.8 1.28 3 925 840 -10.7 -15.7 67 5.0 -11.8 270 9 268.4 268.6 265.8 271.8 1.21 4 850 1484 -15.5 -20.5 65 5.0 -16.4 275 13 269.9 270.1 266.3 272.4 0.88 5 843 1546 -15.9 -20.9 65 5.0 -16.8 275 13 270.1 270.3 266.4 272.6 0.86 6 718 2749 -18.3 -24.3 59 6.0 -19.3 284 22 280.2 280.3 272.5 282.4 0.74 7 700 2938 -19.3 -25.3 59 6.0 -20.3 285 23 281.1 281.2 273.0 283.2 0.70 8 581 4300 -27.5 -33.5 57 6.0 -28.2 296 25 286.9 287.0 275.7 288.2 0.39 9 539 4838 -29.1 -35.1 56 6.0 -29.7 301 26 291.2 291.3 277.9 292.4 0.36 10 500 5370 -33.3 -38.3 61 5.0 -33.7 305 27 292.4 292.5 278.3 293.4 0.28 11 400 6900 -43.3 -48.3 58 5.0 -43.5 310 33 298.7 298.7 281.0 299.1 0.12 12 369 7437 -46.9 -51.2 61 4.3 -47.0 310 34 300.9 300.9 281.8 301.2 0.09 13 300 8770 -58.7 310 35 302.6 14 282 9158 -62.9 310 36 302.0 15 250 9900 -65.3 310 38 309.0 16 208 10999 -72.1 310 40 315.0 17 200 11230 -71.9 310 38 318.9 18 162 12486 -67.1 310 37 346.8 19 150 12950 -67.5 310 36 353.8 20 100 15380 -67.9 310 35 396.5 21 90 16015 -67.9 310 34 408.7 22 70 17520 -70.7 310 33 433.1 23 61 18335 -71.1 449.6 TRP 208 10999 -72.1 310 40 315.0 WND Sounding variables and indices 1000-500 mb thick: 5122.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 61.60 % Est. max temperature: -1.96 C = 28.47 F Sfc-Lift cond lev (LCL): 970.31 mb = 476.33 m = 1562.75 ft T: -14.47 C 700-500 lapse rate: 5.76 C/km ThetaE index: 0.09 C Layer 925.0- 850.0 mb Conv cond level (CCL): 1000.00 mb = 248.00 m = 813.64 ft Mean mixing ratio: 0.93 g/kg Conv temperature: -16.35 C = 2.56 F Cap Strength: 23.73 C Lifted Index: 24.16 C Risk: None Lifted Index @300 mb: 28.00 C Lifted Index @700 mb: 16.92 C Showalter Index: 16.63 C Risk: None Total Totals Index: 30.60 C Risk: None Vertical Totals Index: 17.80 C Cross Totals Index: 12.80 C K Index: -8.70 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 4.44 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 50.10 J/kg Max Up Vert Vel: 10.01 m/s Conv Inhibition (B-): 29789.63 J/kg Cap Strength: 24.09 C Lift Cond Lev (LCL): 915.64 mb = 917.44 m = 3009.95 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 322 at 15 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 1023 79 260 3 3.0 0.5 | 153 14 -6.2 12.3 1 1000 248 265 5 5.0 0.4 | 161 13 -4.2 12.2 2 925 840 270 9 9.0 -0.0 | 179 12 -0.2 11.8 3 850 1484 275 13 13.0 -1.1 | 199 11 3.7 10.7 4 700 2938 285 23 22.2 -6.0 | 246 14 13.0 5.9 5 500 5370 305 27 22.1 -15.5 | 286 13 12.9 -3.7 6 400 6900 310 33 25.3 -21.2 | 300 19 16.1 -9.4 7 300 8770 310 35 26.8 -22.5 | 301 21 17.6 -10.7 8 250 9900 310 38 29.1 -24.4 | 302 24 19.9 -12.6 9 208 10999 310 40 30.6 -25.7 | 303 26 21.4 -13.9 10 200 11230 310 38 29.1 -24.4 | 302 24 19.9 -12.6 11 150 12950 310 36 27.6 -23.1 | 302 22 18.4 -11.3 12 100 15380 310 35 26.8 -22.5 | 301 21 17.6 -10.7 13 70 17520 310 33 25.3 -21.2 | 300 19 16.1 -9.4 Wind Parameters Mean winds (0-6000m): 292.1 at 20.0 knts Storm direction: 322.1 at 15.0 knts Shear (0-3000m) pos: 3.5 neg: 0.0 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 94.7 deg Storm rel helicity (0-3000m) pos: 66.0 neg: 0.0 tot: 66.0 m^2/s^2 ave: 22.0 10^-3 m/s^2 rel: 0.96 Storm rel vorticity (0-3000m) horiz: 3.6 stream: 3.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.61 Bulk Shear: 31.08 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 ------------------------------------------------------------------------------- 500 266 5 163 13| 4.4 0.0 4.4| 13.6 0.0 13.6 27.3 0.93| 4.4 4.1 1000 269 7 170 12| 3.9 0.0 3.9| 23.8 0.0 23.8 23.8 0.95| 3.9 3.7 1500 271 9 178 12| 3.7 0.0 3.7| 33.6 0.0 33.6 22.4 0.96| 3.7 3.6 2000 273 10 186 11| 3.7 0.0 3.7| 44.3 0.0 44.3 22.2 0.97| 3.7 3.6 2500 276 12 195 11| 3.7 0.0 3.7| 55.6 0.0 55.6 22.2 0.96| 3.7 3.6 3000 279 14 204 11| 3.5 0.0 3.5| 66.0 0.0 66.0 22.0 0.96| 3.6 3.5 4000 283 16 219 11| 2.9 0.0 2.9| 79.8 0.0 79.8 20.0 0.96| 3.2 3.1 5000 288 18 233 10| 2.5 0.0 2.5| 94.1 0.0 94.1 18.8 0.97| 3.0 2.9 6000 292 20 245 10| 2.4 0.0 2.4|105.7 0.0 105.7 17.6 0.94| 2.9 2.7 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251210.12.gif