UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102900.upa.cvt Date: 0000Z 29 OCT 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 29 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 1010 77 1.8 0.3 90 1.5 1.2 280 1 274.2 274.8 273.8 284.6 3.87 1 1000 157 1.6 0.1 90 1.5 1.0 280 3 274.8 275.4 274.1 285.2 3.85 2 925 774 -0.3 -1.7 90 1.4 -0.9 285 7 279.0 279.6 276.2 289.1 3.65 3 850 1461 -3.5 -4.7 91 1.2 -4.0 290 13 282.5 283.0 277.4 291.5 3.17 4 826 1687 -3.5 -5.8 84 2.3 -4.4 291 15 284.8 285.3 278.3 293.4 3.00 5 780 2138 -4.9 -8.4 76 3.5 -6.1 292 18 288.0 288.5 279.4 295.6 2.60 6 700 2978 -10.7 -13.6 79 2.9 -11.6 295 25 290.6 291.0 279.7 296.4 1.91 7 637 3694 -16.7 -19.0 82 2.3 -17.3 295 33 291.8 292.0 279.5 295.9 1.34 8 602 4117 -18.3 -26.3 49 8.0 -19.8 295 38 294.7 294.8 280.0 297.0 0.74 9 526 5112 -24.1 -36.1 32 12.0 -25.6 295 50 299.3 299.3 281.5 300.4 0.33 10 500 5480 -26.9 -34.9 47 8.0 -27.9 295 54 300.2 300.3 282.0 301.6 0.39 11 448 6262 -32.7 -37.0 65 4.3 -33.1 297 63 302.5 302.6 282.9 303.7 0.36 12 409 6897 -37.3 -43.3 54 6.0 -37.7 300 71 304.6 304.6 283.5 305.3 0.20 13 400 7050 -37.9 -43.9 53 6.0 -38.3 300 73 305.7 305.8 284.0 306.4 0.19 14 365 7676 -40.7 -48.7 42 8.0 -41.1 304 80 310.1 310.1 285.5 310.6 0.13 15 352 7921 -42.7 -51.0 40 8.3 -43.0 305 83 310.6 310.7 285.7 311.0 0.10 16 325 8454 -47.1 -56.1 35 9.0 -47.4 307 80 311.7 311.8 286.0 312.0 0.06 17 300 8980 -49.3 -58.3 34 9.0 -49.6 310 77 315.9 315.9 287.5 316.1 0.05 18 250 10160 -53.7 -62.7 32 9.0 -53.9 315 71 326.2 326.2 290.7 326.4 0.03 19 238 10475 -55.7 -64.7 32 9.0 -55.8 315 68 327.8 327.8 291.1 327.9 0.03 20 200 11580 -56.5 -65.5 31 9.0 -56.6 310 62 343.3 343.3 295.1 343.4 0.03 21 150 13400 -57.7 -67.7 27 10.0 -57.9 310 52 370.7 370.7 300.7 370.8 0.03 22 136 14022 -55.9 -66.9 24 11.0 -56.2 309 50 384.4 384.4 303.0 384.6 0.03 23 100 15960 -60.3 -72.3 19 12.0 -60.5 305 44 411.2 411.2 306.7 411.3 0.02 24 99 16023 -60.5 -72.5 19 12.0 -60.7 305 44 412.0 412.0 306.7 412.1 0.02 25 70 18170 -62.5 -74.5 18 12.0 -62.7 300 48 450.7 450.7 310.9 450.8 0.02 26 50 20230 -64.3 -77.3 15 13.0 -64.6 300 52 492.0 492.0 314.4 492.1 0.02 27 31 23132 -66.5 -79.5 14 13.0 -66.8 295 54 558.1 558.1 318.5 558.2 0.02 28 30 23330 -66.1 -79.1 15 13.0 -66.5 295 54 564.4 564.4 318.9 564.6 0.03 29 20 25790 -64.9 -77.9 15 13.0 -65.5 295 56 637.5 637.5 322.2 637.9 0.05 30 10 30040 -61.9 -75.9 14 14.0 -63.6 290 60 788.5 788.6 327.0 789.7 0.13 31 5.4 33880 -58.9 -75.9 9 17.0 -62.5 953.8 953.9 330.5 956.6 0.24 TRP 238 10475 -55.7 -64.7 32 9.0 -55.8 315 68 327.8 327.8 291.1 327.9 0.03 WND 352 7921 -42.7 -51.0 40 8.3 -43.0 305 83 310.6 310.7 285.7 311.0 0.10 Sounding variables and indices 1000-500 mb thick: 5323.00 m Freezing level: 936.84 mb = 676.58 m = 2219.72 ft Wetbulb zero: 960.47 mb = 476.17 m = 1562.21 ft Precipitable water: 0.48 inches Sfc-500 mean rel hum: 71.06 % Est. max temperature: 9.65 C = 49.37 F Sfc-Lift cond lev (LCL): 986.64 mb = 263.45 m = 864.32 ft T: 1.27 C 700-500 lapse rate: 6.47 C/km Conv cond level (CCL): 884.28 mb = 1139.80 m = 3739.44 ft Mean mixing ratio: 3.73 g/kg Conv temperature: 8.50 C = 47.31 F Cap Strength: 10.98 C Lifted Index: 11.37 C Risk: None Lifted Index @300 mb: 20.29 C Lifted Index @700 mb: 6.74 C Showalter Index: 8.24 C Risk: None Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.40 C Cross Totals Index: 22.20 C K Index: 15.80 Risk: < 20 % chance of thunderstorms Sweat Index: 80.00 Risk: None Energy Index: 2.10 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.96 J/kg Max Up Vert Vel: 5.82 m/s Conv Inhibition (B-): 74063.69 J/kg Cap Strength: 11.24 C Lift Cond Lev (LCL): 937.05 mb = 671.58 m = 2203.33 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 324 at 22 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 1010 77 280 1 1.0 -0.2 | 146 21 -11.7 17.6 1 1000 157 280 3 3.0 -0.5 | 151 20 -9.7 17.3 2 925 774 285 7 6.8 -1.8 | 160 17 -5.9 16.0 3 850 1461 290 13 12.2 -4.4 | 178 13 -0.5 13.3 4 700 2978 295 25 22.7 -10.6 | 234 12 10.0 7.2 5 500 5480 295 54 48.9 -22.8 | 278 37 36.2 -5.0 6 400 7050 300 73 63.2 -36.5 | 290 54 50.5 -18.7 7 352 7921 305 83 68.0 -47.6 | 298 63 55.3 -29.8 8 300 8980 310 77 59.0 -49.5 | 304 56 46.3 -31.7 9 250 10160 315 71 50.2 -50.2 | 311 50 37.5 -32.4 10 238 10475 315 68 48.1 -48.1 | 311 47 35.4 -30.3 11 200 11580 310 62 47.5 -39.9 | 302 41 34.8 -22.1 12 150 13400 310 52 39.8 -33.4 | 300 31 27.1 -15.6 13 100 15960 305 44 36.0 -25.2 | 288 25 23.3 -7.5 14 70 18170 300 48 41.6 -24.0 | 282 30 28.9 -6.2 15 50 20230 300 52 45.0 -26.0 | 284 33 32.3 -8.2 16 30 23330 295 54 48.9 -22.8 | 278 37 36.2 -5.0 17 20 25790 295 56 50.8 -23.7 | 279 39 38.1 -5.9 18 10 30040 290 60 56.4 -20.5 | 274 44 43.7 -2.7 Wind Parameters Mean winds (0-6000m): 294.5 at 29.1 knts Storm direction: 324.5 at 21.9 knts Shear (0-3000m) pos: 4.3 neg: 0.0 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 92.2 deg Storm rel helicity (0-3000m) pos: 81.9 neg: 0.0 tot: 81.9 m^2/s^2 ave: 27.3 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 3.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.20 Bulk Shear: 84.43 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 ------------------------------------------------------------------------------- 500 282 4 153 19| 4.9 0.0 4.9| 18.0 0.0 18.0 36.0 0.73| 4.9 3.6 1000 285 6 156 18| 4.5 0.0 4.5| 31.0 0.0 31.0 31.0 0.74| 4.5 3.3 1500 287 8 161 16| 4.4 0.0 4.4| 44.3 0.0 44.3 29.6 0.77| 4.5 3.4 2000 289 10 167 15| 4.3 0.0 4.3| 56.6 0.0 56.6 28.3 0.81| 4.4 3.6 2500 290 12 173 14| 4.3 0.0 4.3| 68.8 0.0 68.8 27.5 0.85| 4.3 3.7 3000 292 14 181 13| 4.3 0.0 4.3| 81.9 0.0 81.9 27.3 0.86| 4.3 3.8 4000 293 18 201 11| 3.2 1.5 4.7|114.9 0.0 114.9 28.7 0.80| 4.8 3.8 5000 294 24 227 12| 2.6 2.4 5.0|147.8 0.0 147.8 29.6 0.70| 5.0 3.5 6000 294 29 248 15| 3.2 2.0 5.2|200.5 0.0 200.5 33.4 0.65| 5.2 3.4 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251029.00.gif