UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042400.upa.cvt Date: 0000Z 24 APR 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 24 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 1016 73 -5.3 -13.3 53 8.0 -7.4 320 7 266.6 266.9 264.8 270.3 1.35 1 1000 197 -6.1 -14.1 53 8.0 -8.1 320 7 267.0 267.3 265.0 270.6 1.28 2 925 802 -10.5 -19.5 48 9.0 -12.3 315 13 268.6 268.7 265.4 271.1 0.88 3 900 1010 -11.9 -21.9 43 10.0 -13.7 315 14 269.2 269.4 265.6 271.4 0.73 4 850 1441 -12.9 -23.9 39 11.0 -14.9 315 17 272.6 272.7 267.7 274.5 0.65 5 844 1495 -13.1 -25.1 36 12.0 -15.2 315 17 273.0 273.1 267.8 274.7 0.59 6 700 2914 -19.9 -35.9 23 16.0 -21.7 305 27 280.4 280.5 271.9 281.3 0.25 7 657 3380 -22.3 -42.3 14 20.0 -24.1 305 30 282.9 282.9 273.1 283.3 0.14 8 616 3849 -24.5 -40.5 21 16.0 -26.0 305 33 285.6 285.6 274.7 286.2 0.18 9 525 4989 -32.5 -47.5 21 15.0 -33.4 305 40 289.3 289.4 276.5 289.7 0.10 10 500 5330 -35.3 -49.3 23 14.0 -36.0 305 42 290.0 290.0 276.8 290.3 0.09 11 400 6860 -48.9 -60.9 23 12.0 -49.1 305 52 291.4 291.4 277.4 291.5 0.03 12 377 7248 -52.5 -63.5 25 11.0 -52.7 300 56 291.7 291.7 277.5 291.7 0.02 13 300 8750 -46.5 -59.5 21 13.0 -46.9 300 54 319.8 319.8 288.7 320.0 0.04 14 294 8885 -46.1 -60.1 19 14.0 -46.5 299 54 322.2 322.2 289.5 322.4 0.04 15 274 9352 -48.7 -64.7 14 16.0 -49.1 298 52 325.0 325.0 290.3 325.1 0.02 16 250 9960 -46.5 -64.5 11 18.0 -47.0 295 50 336.9 336.9 293.6 337.0 0.03 17 222 10748 -44.9 -65.9 8 21.0 -45.6 290 47 351.0 351.0 296.9 351.1 0.02 18 200 11440 -46.5 -68.5 6 22.0 -47.1 285 44 359.1 359.1 298.5 359.2 0.02 19 150 13340 -47.9 -69.9 6 22.0 -48.7 280 38 387.5 387.5 303.5 387.6 0.02 20 100 16000 -50.7 -73.7 5 23.0 -51.5 275 27 429.8 429.8 308.8 429.9 0.02 21 91 16614 -50.5 -73.5 5 23.0 -51.4 272 26 441.9 441.9 310.1 442.0 0.02 22 70 18320 -51.3 -74.3 5 23.0 -52.4 265 23 474.6 474.6 313.0 474.8 0.02 23 50 20500 -52.3 -76.3 4 24.0 -53.6 250 17 520.2 520.2 316.3 520.4 0.02 24 36 22624 -52.5 -76.5 4 24.0 -54.2 571.0 571.0 319.2 571.2 0.03 TRP 377 7248 -52.5 -63.5 25 11.0 -52.7 300 56 291.7 291.7 277.5 291.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5133.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 29.45 % Est. max temperature: -0.39 C = 31.29 F Sfc-Lift cond lev (LCL): 894.70 mb = 1054.20 m = 3458.62 ft T: -12.00 C 700-500 lapse rate: 6.37 C/km ThetaE index: 0.00 C Layer 1016.0- 0.0 mb Conv cond level (CCL): 691.60 mb = 3002.67 m = 9851.16 ft Mean mixing ratio: 1.10 g/kg Conv temperature: 9.04 C = 48.27 F Cap Strength: 15.64 C Lifted Index: 15.92 C Risk: None Lifted Index @300 mb: 34.75 C Lifted Index @700 mb: 9.90 C Showalter Index: 12.93 C Risk: None Total Totals Index: 33.80 C Risk: None Vertical Totals Index: 22.40 C Cross Totals Index: 11.40 C K Index: -17.50 Risk: None Sweat Index: 76.00 Risk: None Energy Index: 3.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.12 J/kg Max Up Vert Vel: 2.87 m/s Conv Inhibition (B-): 44230.72 J/kg Cap Strength: 15.89 C Lift Cond Lev (LCL): 844.59 mb = 1490.11 m = 4888.77 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 337 at 21 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 1016 73 320 7 4.5 -5.4 | 165 14 -3.7 13.8 1 1000 197 320 7 4.5 -5.4 | 165 14 -3.7 13.8 2 925 802 315 13 9.2 -9.2 | 185 10 1.0 10.0 3 850 1441 315 17 12.0 -12.0 | 208 8 3.8 7.2 4 700 2914 305 27 22.1 -15.5 | 255 14 13.9 3.7 5 500 5330 305 42 34.4 -24.1 | 281 27 26.2 -4.9 6 400 6860 305 52 42.6 -29.8 | 287 36 34.4 -10.6 7 377 7248 300 56 48.5 -28.0 | 282 41 40.3 -8.8 8 300 8750 300 54 46.8 -27.0 | 281 39 38.5 -7.8 9 250 9960 295 50 45.3 -21.1 | 273 37 37.1 -1.9 10 200 11440 285 44 42.5 -11.4 | 257 35 34.3 7.8 11 150 13340 280 38 37.4 -6.6 | 247 32 29.2 12.6 12 100 16000 275 27 26.9 -2.4 | 228 25 18.7 16.8 13 70 18320 265 23 22.9 2.0 | 215 26 14.7 21.2 14 50 20500 250 17 16.0 5.8 | 197 26 7.7 25.0 Wind Parameters Mean winds (0-6000m): 306.8 at 27.8 knts Storm direction: 336.8 at 20.9 knts Shear (0-3000m) pos: 0.0 neg: 3.7 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 93.1 deg Storm rel helicity (0-3000m) pos: 45.1 neg: 0.0 tot: 45.1 m^2/s^2 ave: 15.0 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.08 Bulk Shear: 51.27 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 ------------------------------------------------------------------------------- 500 319 8 168 13| 0.0 3.9 3.9| 7.8 0.0 7.8 15.7 0.62| 3.9 2.4 1000 316 11 176 11| 0.0 4.0 4.0| 16.6 0.0 16.6 16.6 0.72| 4.0 2.9 1500 316 13 183 10| 0.0 3.8 3.8| 23.3 0.0 23.3 15.5 0.78| 3.8 3.0 2000 315 14 192 9| 0.0 3.7 3.7| 30.8 0.0 30.8 15.4 0.82| 3.8 3.1 2500 313 16 203 9| 0.0 3.7 3.7| 37.9 0.0 37.9 15.2 0.79| 3.8 3.0 3000 311 18 214 9| 0.0 3.7 3.7| 45.1 0.0 45.1 15.0 0.75| 3.7 2.8 4000 309 21 234 10| 0.0 3.5 3.5| 63.2 0.0 63.2 15.8 0.73| 3.6 2.6 5000 307 25 249 12| 0.0 3.5 3.5| 81.2 0.0 81.2 16.2 0.68| 3.5 2.4 6000 307 28 260 14| 0.0 3.4 3.4|100.0 0.0 100.0 16.7 0.64| 3.5 2.2 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20250424.00.gif