UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 20 APR 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 1002 80 -3.7 -10.7 58 7.0 -5.7 200 5 269.3 269.6 267.3 273.9 1.68 1 1000 96 -3.9 -10.9 58 7.0 -5.9 200 5 269.2 269.5 267.3 273.8 1.66 2 971 327 -5.3 -13.3 53 8.0 -7.4 206 7 270.1 270.3 267.4 274.0 1.41 3 950 499 -3.5 -12.5 50 9.0 -6.1 210 8 273.6 273.9 269.9 278.0 1.54 4 925 708 -5.3 -15.3 45 10.0 -7.9 215 9 273.9 274.1 269.6 277.5 1.26 5 850 1364 -11.7 -19.7 51 8.0 -13.4 220 15 273.9 274.0 269.1 276.6 0.94 6 809 1740 -15.1 -22.1 55 7.0 -16.4 229 19 274.2 274.3 269.0 276.5 0.80 7 782 1996 -16.9 -22.9 60 6.0 -18.0 235 22 274.9 275.0 269.4 277.2 0.77 8 758 2229 -18.5 -26.5 49 8.0 -19.7 241 24 275.7 275.7 269.5 277.4 0.58 9 710 2718 -17.7 -34.7 21 17.0 -19.8 252 30 281.7 281.8 272.7 282.6 0.28 10 700 2824 -18.3 -35.3 21 17.0 -20.4 255 31 282.2 282.3 272.9 283.1 0.27 11 619 3736 -21.9 -41.9 15 20.0 -23.8 281 39 288.2 288.2 276.0 288.7 0.16 12 558 4495 -24.5 -29.5 63 5.0 -25.2 302 45 293.8 293.9 279.4 295.7 0.59 13 500 5290 -27.3 -30.6 73 3.3 -27.8 325 52 299.8 299.9 282.1 301.7 0.60 14 400 6860 -38.3 -42.1 67 3.8 -38.6 325 66 305.2 305.3 283.8 306.0 0.24 15 338 7998 -45.9 -49.9 64 4.0 -46.1 328 78 309.9 309.9 285.4 310.3 0.12 16 313 8504 -50.0 -54.4 60 4.4 -50.1 330 83 311.0 311.1 285.8 311.3 0.08 17 300 8780 -52.3 -56.9 58 4.6 -52.4 330 79 311.6 311.6 286.0 311.9 0.06 18 268 9501 -58.1 -62.9 54 4.8 -58.2 330 71 313.4 313.4 286.6 313.5 0.03 19 250 9940 -58.3 -63.2 53 4.9 -58.4 330 68 319.4 319.4 288.6 319.5 0.03 20 239 10223 -58.7 -63.7 52 5.0 -58.7 330 64 322.9 322.9 289.7 323.0 0.03 21 200 11360 -52.7 -57.7 55 5.0 -52.9 330 48 349.3 349.3 296.5 349.7 0.08 22 192 11625 -50.9 -56.9 49 6.0 -51.1 331 46 356.3 356.3 298.0 356.7 0.09 23 150 13230 -51.1 -61.1 29 10.0 -51.5 335 36 382.0 382.0 302.6 382.3 0.07 24 100 15860 -51.3 -68.3 11 17.0 -52.0 305 27 428.6 428.6 308.7 428.8 0.04 25 97 16058 -51.1 -68.1 11 17.0 -51.8 303 26 432.7 432.8 309.1 433.0 0.04 26 70 18180 -50.1 -72.1 6 22.0 -51.3 285 19 477.2 477.2 313.2 477.4 0.03 27 57 19524 -49.1 -73.1 4 24.0 -50.7 273 12 508.4 508.4 315.5 508.6 0.03 28 50 20380 -50.7 -73.7 5 23.0 -52.2 265 7 524.0 524.0 316.6 524.2 0.04 29 40 21821 -54.3 -77.3 4 23.0 -55.6 256 10 549.5 549.5 318.1 549.7 0.03 30 30 23680 -50.5 -73.5 5 23.0 -52.8 245 13 607.0 607.0 320.9 607.4 0.06 31 29 23900 -50.3 -73.3 5 23.0 -52.8 244 13 613.4 613.5 321.2 613.9 0.07 32 20 26290 -54.1 -77.1 4 23.0 -56.4 230 17 670.6 670.6 323.4 671.0 0.05 33 18 26964 -55.7 -78.7 4 23.0 -57.9 686.0 686.1 324.0 686.4 0.05 34 14 28579 -51.7 -74.7 5 23.0 -55.4 750.7 750.8 326.0 751.7 0.11 TRP 268 9501 -58.1 -62.9 54 4.8 -58.2 330 71 313.4 313.4 286.6 313.5 0.03 WND 313 8504 -50.0 -54.4 60 4.4 -50.1 330 83 311.0 311.1 285.8 311.3 0.08 Sounding variables and indices 1000-500 mb thick: 5194.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 44.37 % Est. max temperature: 0.90 C = 33.62 F Sfc-Lift cond lev (LCL): 896.98 mb = 946.60 m = 3105.60 ft T: -7.63 C 700-500 lapse rate: 3.65 C/km ThetaE index: 1.45 C Layer 925.0- 782.0 mb Conv cond level (CCL): 800.56 mb = 1819.18 m = 5968.36 ft Mean mixing ratio: 1.41 g/kg Conv temperature: 1.42 C = 34.55 F Cap Strength: 15.50 C Lifted Index: 19.67 C Risk: None Lifted Index @300 mb: 25.14 C Lifted Index @700 mb: 7.29 C Showalter Index: 19.26 C Risk: None Total Totals Index: 23.20 C Risk: None Vertical Totals Index: 15.60 C Cross Totals Index: 7.60 C K Index: -21.10 Risk: None Sweat Index: 82.00 Risk: None Energy Index: 5.21 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.48 J/kg Max Up Vert Vel: 7.00 m/s Conv Inhibition (B-): 63967.31 J/kg Cap Strength: 19.04 C Lift Cond Lev (LCL): 828.27 mb = 1561.07 m = 5121.57 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 322 at 24 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 1002 80 200 5 1.7 4.7 | 151 27 -13.1 23.9 1 1000 96 200 5 1.7 4.7 | 151 27 -13.1 23.9 2 925 708 215 9 5.2 7.4 | 160 28 -9.6 26.6 3 850 1364 220 15 9.6 11.5 | 170 31 -5.2 30.7 4 700 2824 255 31 29.9 8.0 | 209 31 15.1 27.2 5 500 5290 325 52 29.8 -42.6 | 327 28 15.0 -23.4 6 400 6860 325 66 37.9 -54.1 | 327 42 23.1 -34.9 7 313 8504 330 83 41.5 -71.9 | 333 59 26.7 -52.7 8 300 8780 330 79 39.5 -68.4 | 333 55 24.7 -49.2 9 268 9501 330 71 35.5 -61.5 | 334 47 20.7 -42.3 10 250 9940 330 68 34.0 -58.9 | 334 44 19.2 -39.7 11 200 11360 330 48 24.0 -41.6 | 338 24 9.2 -22.4 12 150 13230 335 36 15.2 -32.6 | 358 13 0.4 -13.4 13 100 15860 305 27 22.1 -15.5 | 243 8 7.3 3.7 14 70 18180 285 19 18.4 -4.9 | 194 15 3.5 14.3 15 50 20380 265 7 7.0 0.6 | 158 21 -7.8 19.8 16 30 23680 245 13 11.8 5.5 | 173 25 -3.0 24.7 17 20 26290 230 17 13.0 10.9 | 177 30 -1.8 30.1 Wind Parameters Mean winds (0-6000m): 292.3 at 32.3 knts Storm direction: 322.3 at 24.2 knts Shear (0-3000m) pos: 5.3 neg: 0.0 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 66.1 deg Storm rel helicity (0-3000m) pos: 287.6 neg: 0.0 tot: 287.6 m^2/s^2 ave: 95.9 10^-3 m/s^2 rel: 0.97 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 6.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.18 Bulk Shear: 139.07 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 ------------------------------------------------------------------------------- 500 207 7 155 28| 3.5 0.0 3.5| 24.4 0.0 24.4 48.8 0.96| 3.5 3.4 1000 213 8 159 28| 4.0 0.0 4.0| 54.9 0.0 54.9 54.9 0.93| 4.0 3.8 1500 217 10 163 29| 4.5 0.0 4.5| 96.6 0.0 96.6 64.4 0.94| 4.5 4.3 2000 223 13 168 29| 4.9 0.0 4.9|154.5 0.0 154.5 77.3 0.96| 5.2 5.0 2500 232 16 175 29| 5.2 0.0 5.2|218.8 0.0 218.8 87.5 0.97| 5.7 5.5 3000 239 18 181 28| 5.3 0.0 5.3|287.6 0.0 287.6 95.9 0.97| 6.3 6.1 4000 255 23 196 26| 5.4 0.0 5.4|428.1 0.0 428.1 107.0 0.97| 7.3 7.1 5000 275 28 218 21| 5.4 0.0 5.4|583.7 0.0 583.7 116.7 0.98| 8.4 8.1 6000 292 32 245 17| 4.9 0.4 5.3|621.3 -1.9 619.5 103.2 0.90| 8.0 7.2 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20250420.00.gif