UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102212.upa.cvt Date: 1200Z 22 OCT 25 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 22 OCT 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 1025 77 0.2 -3.9 74 4.1 -1.3 260 1 271.4 271.9 270.5 279.0 2.79 1 1000 274 -1.9 -5.3 78 3.4 -3.1 260 3 271.2 271.7 270.1 278.3 2.57 2 925 891 -5.9 -8.2 84 2.3 -6.6 270 5 273.3 273.6 270.8 279.4 2.22 3 912 1001 -5.9 -8.0 85 2.1 -6.6 272 6 274.4 274.8 271.6 280.7 2.29 4 894 1157 -6.5 -8.7 84 2.2 -7.2 274 7 275.3 275.7 272.0 281.5 2.21 5 850 1552 -3.3 -10.3 58 7.0 -5.6 280 9 282.7 283.0 275.9 288.6 2.05 6 847 1580 -3.1 -11.1 54 8.0 -5.7 280 9 283.2 283.5 276.0 288.8 1.93 7 753 2504 -6.7 -29.7 14 23.0 -11.2 292 13 289.0 289.0 276.8 290.4 0.43 8 740 2639 -7.3 -27.3 19 20.0 -11.5 294 13 289.8 289.9 277.4 291.5 0.55 9 700 3069 -10.9 -22.9 37 12.0 -13.6 300 15 290.4 290.6 278.2 293.1 0.87 10 647 3668 -14.7 -19.5 67 4.8 -15.9 302 20 292.7 292.9 279.8 296.6 1.26 11 605 4171 -17.7 -20.3 80 2.6 -18.3 304 24 294.9 295.2 280.8 298.9 1.26 12 529 5161 -23.7 -26.5 78 2.8 -24.2 308 32 299.3 299.4 282.1 302.0 0.83 13 500 5570 -26.5 -29.9 73 3.4 -27.0 310 35 300.7 300.8 282.5 302.8 0.64 14 400 7150 -38.9 -42.5 69 3.6 -39.1 310 42 304.4 304.5 283.5 305.2 0.23 15 327 8506 -46.9 -50.7 65 3.8 -47.0 314 50 311.5 311.5 286.0 311.9 0.11 16 300 9070 -51.5 -55.9 59 4.4 -51.6 315 54 312.8 312.8 286.4 313.0 0.07 17 273 9675 -55.9 -60.3 58 4.4 -56.0 318 55 314.9 314.9 287.1 315.1 0.04 18 250 10230 -58.3 -62.9 55 4.6 -58.4 320 56 319.4 319.4 288.6 319.5 0.03 19 221 11005 -60.9 -65.5 54 4.6 -61.0 315 54 326.9 326.9 290.9 327.0 0.03 20 214 11206 -61.1 -65.7 54 4.6 -61.2 313 53 329.6 329.6 291.6 329.7 0.03 21 200 11630 -58.5 -63.2 55 4.7 -58.6 310 50 340.1 340.1 294.4 340.3 0.04 22 188 12017 -56.1 -60.8 55 4.7 -56.2 310 48 350.1 350.1 296.7 350.3 0.06 23 150 13440 -56.5 -62.5 47 6.0 -56.6 310 40 372.7 372.7 301.1 373.0 0.06 24 100 16010 -57.7 -67.7 27 10.0 -58.0 300 31 416.2 416.3 307.3 416.5 0.04 25 89 16746 -57.7 -67.7 27 10.0 -58.0 300 30 430.3 430.4 308.9 430.6 0.05 26 70 18260 -58.7 -70.7 20 12.0 -59.1 300 27 458.8 458.8 311.7 459.0 0.04 27 50 20360 -59.9 -73.9 14 14.0 -60.4 290 21 502.3 502.3 315.1 502.5 0.03 28 33 22949 -61.9 -76.9 12 15.0 -62.5 282 21 560.4 560.4 318.7 560.6 0.03 29 30 23540 -61.5 -77.5 10 16.0 -62.2 280 21 577.0 577.0 319.5 577.2 0.03 30 20 26060 -60.1 -77.1 9 17.0 -61.3 275 21 652.2 652.2 322.8 652.6 0.05 31 10 30430 -54.1 -74.1 7 20.0 -57.8 270 27 817.6 817.7 327.7 819.3 0.17 32 9.2 30966 -52.9 -73.9 6 21.0 -57.3 841.9 842.0 328.2 843.9 0.19 33 6.6 33138 -46.9 -69.9 6 23.0 -54.8 951.0 951.3 330.5 956.6 0.47 TRP 221 11005 -60.9 -65.5 54 4.6 -61.0 315 54 326.9 326.9 290.9 327.0 0.03 WND Sounding variables and indices 1000-500 mb thick: 5296.00 m Freezing level: 1022.62 mb = 95.81 m = 314.34 ft Wetbulb zero: Below ground Precipitable water: 0.34 inches Sfc-500 mean rel hum: 61.97 % Est. max temperature: 7.27 C = 45.08 F Sfc-Lift cond lev (LCL): 961.42 mb = 585.34 m = 1920.39 ft T: -3.92 C 700-500 lapse rate: 6.24 C/km ThetaE index: 0.75 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 706.02 mb = 3002.85 m = 9851.75 ft Mean mixing ratio: 2.47 g/kg Conv temperature: 19.23 C = 66.61 F Cap Strength: 17.59 C Lifted Index: 18.36 C Risk: None Lifted Index @300 mb: 24.07 C Lifted Index @700 mb: 12.69 C Showalter Index: 10.75 C Risk: None Total Totals Index: 39.40 C Risk: None Vertical Totals Index: 23.20 C Cross Totals Index: 16.20 C K Index: 0.90 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 2.96 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.99 J/kg Max Up Vert Vel: 3.16 m/s Conv Inhibition (B-): 78489.88 J/kg Cap Strength: 18.16 C Lift Cond Lev (LCL): 928.04 mb = 865.01 m = 2837.94 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 333 at 13 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 1025 77 260 1 1.0 0.2 | 157 13 -5.2 12.2 1 1000 274 260 3 3.0 0.5 | 166 13 -3.2 12.5 2 925 891 270 5 5.0 -0.0 | 175 12 -1.1 12.0 3 850 1552 280 9 8.9 -1.6 | 195 11 2.7 10.4 4 700 3069 300 15 13.0 -7.5 | 237 8 6.9 4.5 5 500 5570 310 35 26.8 -22.5 | 297 23 20.7 -10.5 6 400 7150 310 42 32.2 -27.0 | 300 30 26.0 -15.0 7 300 9070 315 54 38.2 -38.2 | 309 41 32.0 -26.2 8 250 10230 320 56 36.0 -42.9 | 316 43 29.9 -30.9 9 221 11005 315 54 38.2 -38.2 | 309 41 32.0 -26.2 10 200 11630 310 50 38.3 -32.1 | 302 38 32.2 -20.1 11 150 13440 310 40 30.6 -25.7 | 299 28 24.5 -13.7 12 100 16010 300 31 26.8 -15.5 | 280 21 20.7 -3.5 13 70 18260 300 27 23.4 -13.5 | 275 17 17.2 -1.5 14 50 20360 290 21 19.7 -7.2 | 250 14 13.6 4.8 15 30 23540 280 21 20.7 -3.6 | 240 17 14.5 8.4 16 20 26060 275 21 20.9 -1.8 | 235 18 14.8 10.2 17 10 30430 270 27 27.0 -0.0 | 240 24 20.9 12.0 Wind Parameters Mean winds (0-6000m): 302.9 at 18.0 knts Storm direction: 332.9 at 13.5 knts Shear (0-3000m) pos: 2.5 neg: 0.0 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 80.1 deg Storm rel helicity (0-3000m) pos: 42.4 neg: 0.0 tot: 42.4 m^2/s^2 ave: 14.1 10^-3 m/s^2 rel: 0.94 Storm rel vorticity (0-3000m) horiz: 2.7 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.15 Bulk Shear: 33.41 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 ------------------------------------------------------------------------------- 500 262 3 165 13| 3.1 0.0 3.1| 10.0 0.0 10.0 20.1 0.97| 3.1 3.0 1000 267 4 170 12| 2.7 0.0 2.7| 16.7 0.0 16.7 16.7 0.95| 2.7 2.6 1500 272 5 175 12| 2.8 0.0 2.8| 25.6 0.0 25.6 17.0 0.95| 2.9 2.7 2000 277 6 181 11| 2.6 0.0 2.6| 31.3 0.0 31.3 15.6 0.94| 2.8 2.6 2500 282 7 187 11| 2.5 0.0 2.5| 36.9 0.0 36.9 14.7 0.94| 2.7 2.5 3000 287 9 193 10| 2.5 0.0 2.5| 42.4 0.0 42.4 14.1 0.94| 2.7 2.5 4000 293 11 208 9| 2.9 0.0 2.9| 59.8 0.0 59.8 14.9 0.89| 3.1 2.7 5000 299 14 232 8| 3.1 0.0 3.1| 80.3 0.0 80.3 16.1 0.81| 3.3 2.7 6000 303 18 256 9| 2.9 0.2 3.1| 95.3 0.0 95.3 15.9 0.75| 3.3 2.5 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251022.12.gif