UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for UIBB... Searching the city database file for: UIBB ... Date:0000Z 28 APR 25 Station: UIBB WMO ident: 30309 Latitude: 56.07 Longitude: 101.83 Elevation: 489.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 52 SFC 956 489 2.0 0.1 87 1.9 1.2 290 5 278.7 279.4 276.6 289.8 4.03 2 946 550 0.2 -2.6 81 2.8 -0.9 300 11 277.7 278.3 275.0 287.0 3.33 3 925 681 -1.1 -3.8 82 2.7 -2.1 320 25 278.2 278.7 275.0 286.9 3.12 4 856 1295 -5.5 -7.6 85 2.1 -6.2 348 31 279.8 280.2 275.0 287.0 2.52 5 850 1350 -5.3 -7.3 86 2.0 -6.0 350 31 280.6 281.0 275.6 288.0 2.60 6 844 1406 -5.1 -7.0 86 1.9 -5.8 348 32 281.4 281.8 276.1 289.0 2.68 7 784 1982 -8.3 -10.1 87 1.8 -8.9 331 38 283.9 284.3 276.9 290.5 2.26 8 776 2062 -7.3 -9.4 85 2.1 -8.0 329 39 285.8 286.3 278.1 292.9 2.41 9 700 2861 -10.3 -15.2 67 4.9 -11.7 305 48 291.1 291.4 279.6 296.1 1.67 10 687 3005 -11.5 -16.5 66 5.0 -12.9 304 49 291.3 291.6 279.6 296.0 1.53 11 685 3027 -12.1 -17.1 66 5.0 -13.4 304 49 290.9 291.1 279.2 295.3 1.46 12 669 3208 -11.5 -23.5 36 12.0 -14.2 302 51 293.5 293.7 279.7 296.2 0.86 13 666 3243 -11.7 -23.7 36 12.0 -14.3 302 51 293.7 293.8 279.7 296.4 0.85 14 613 3874 -14.5 -35.5 15 21.0 -17.7 297 56 297.5 297.6 280.7 298.5 0.30 15 587 4201 -17.3 -40.3 12 23.0 -20.2 295 58 298.0 298.0 280.7 298.6 0.19 16 500 5380 -27.1 -47.1 13 20.0 -28.7 285 68 300.0 300.0 281.5 300.4 0.11 17 414 6713 -37.9 -53.9 17 16.0 -38.6 281 69 302.7 302.7 282.5 303.0 0.06 18 400 6950 -38.9 -54.9 17 16.0 -39.6 280 69 304.4 304.4 283.2 304.6 0.06 19 364 7593 -41.7 -57.7 16 16.0 -42.3 280 74 309.0 309.0 285.0 309.2 0.04 20 327 8318 -42.7 -59.7 14 17.0 -43.3 280 79 317.3 317.3 287.9 317.4 0.04 21 300 8900 -41.9 -59.9 12 18.0 -42.6 280 83 326.3 326.3 290.7 326.5 0.04 22 281 9340 -44.9 -62.9 12 18.0 -45.4 290 91 328.2 328.2 291.2 328.3 0.03 23 277 9436 -45.5 -63.5 11 18.0 -46.0 291 87 328.6 328.6 291.3 328.7 0.03 24 254 10014 -44.9 -63.9 10 19.0 -45.5 299 66 337.8 337.8 293.8 337.9 0.03 25 250 10120 -45.5 -64.5 10 19.0 -46.1 300 62 338.4 338.4 294.0 338.5 0.03 26 224 10847 -49.1 -68.1 9 19.0 -49.6 295 52 343.7 343.7 295.2 343.8 0.02 27 200 11590 -50.3 -69.3 9 19.0 -50.7 295 54 353.1 353.1 297.3 353.2 0.02 28 150 13470 -49.1 -69.1 8 20.0 -49.8 310 35 385.5 385.5 303.1 385.6 0.02 29 142 13829 -50.5 -70.5 8 20.0 -51.1 389.1 389.1 303.7 389.2 0.02 TRP 224 10847 -49.1 -68.1 9 19.0 -49.6 295 52 343.7 343.7 295.2 343.8 0.02 WND 281 9340 -44.9 -62.9 12 18.0 -45.4 290 91 328.2 328.2 291.2 328.3 0.03 Sounding variables and indices 1000-500 mb thick: 5328.00 m Freezing level: 942.77 mb = 570.42 m = 1871.43 ft Wetbulb zero: 950.35 mb = 523.56 m = 1717.69 ft Precipitable water: 0.31 inches Sfc-500 mean rel hum: 50.96 % Est. max temperature: 6.21 C = 43.18 F Sfc-Lift cond lev (LCL): 928.13 mb = 661.31 m = 2169.64 ft T: -0.90 C 700-500 lapse rate: 6.67 C/km ThetaE index: 2.97 C Layer 946.0- 856.0 mb Conv cond level (CCL): 857.48 mb = 1281.05 m = 4202.86 ft Mean mixing ratio: 2.98 g/kg Conv temperature: 3.06 C = 37.51 F Cap Strength: 11.14 C Lifted Index: 11.38 C Risk: None Lifted Index @300 mb: 27.87 C Lifted Index @700 mb: 7.32 C Showalter Index: 10.67 C Risk: None Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 19.80 C K Index: 9.60 Risk: None Sweat Index: 130.00 Risk: None Energy Index: 2.68 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.58 J/kg Max Up Vert Vel: 3.03 m/s Conv Inhibition (B-): 11571.64 J/kg Cap Strength: 11.37 C Lift Cond Lev (LCL): 871.39 mb = 1153.65 m = 3784.90 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 328 at 38 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 ---------------------------------------------------------- 0 956 489 290 5 4.7 -1.7 | 154 34 -15.2 30.6 1 925 681 320 25 16.1 -19.2 | 164 14 -3.8 13.1 2 850 1350 350 31 5.4 -30.5 | 97 15 -14.5 1.8 3 700 2861 305 48 39.3 -27.5 | 256 20 19.5 4.8 4 500 5380 285 68 65.7 -17.6 | 252 48 45.8 14.7 5 400 6950 280 69 68.0 -12.0 | 247 52 48.1 20.3 6 300 8900 280 83 81.7 -14.4 | 254 64 61.9 17.9 7 281 9340 290 91 85.5 -31.1 | 269 66 65.7 1.2 8 250 10120 300 62 53.7 -31.0 | 268 34 33.8 1.3 9 224 10847 295 52 47.1 -22.0 | 249 29 27.3 10.3 10 200 11590 295 54 48.9 -22.8 | 252 31 29.1 9.5 11 150 13470 310 35 26.8 -22.5 | 215 12 7.0 9.8 Wind Parameters Mean winds (0-6000m): 298.4 at 50.5 knts Storm direction: 328.4 at 37.9 knts Shear (0-3000m) pos: 5.2 neg: 6.6 tot: 11.7 10-3/s Storm rel Dir Shear (0-3000m): 103.8 deg Storm rel helicity (0-3000m) pos: 38.0 neg: -64.7 tot: -26.7 m^2/s^2 ave: -8.9 10^-3 m/s^2 rel: -0.27 Storm rel vorticity (0-3000m) horiz: 13.5 stream: -3.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.03 Bulk Shear: 140.93 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 ------------------------------------------------------------------------------- 500 323 21 155 17| 25.1 0.0 25.1| 35.5 -18.1 17.4 34.9 -0.04| 29.2 -1.1 1000 335 25 135 13| 15.5 0.0 15.5| 35.5 -44.4 -8.8 -8.8 -0.24| 20.1 -4.9 1500 336 28 127 10| 10.3 3.7 14.0| 35.5 -49.7 -14.1 -9.4 -0.26| 17.1 -4.4 2000 331 32 136 7| 7.7 5.8 13.5| 35.5 -54.5 -18.9 -9.5 -0.30| 16.0 -4.9 2500 324 34 185 4| 6.2 6.8 13.0| 36.3 -64.7 -28.4 -11.4 -0.29| 15.1 -4.4 3000 319 37 225 6| 5.2 6.6 11.7| 38.0 -64.7 -26.7 -8.9 -0.27| 13.5 -3.6 4000 311 42 248 13| 3.9 6.3 10.2| 38.0 -74.5 -36.5 -9.1 -0.25| 11.6 -2.8 5000 303 47 251 20| 3.1 6.1 9.2| 38.0-107.7 -69.6 -13.9 -0.25| 10.4 -2.6 6000 298 51 251 26| 2.6 5.3 7.9| 38.0-145.1-107.1 -17.8 -0.26| 9.0 -2.4 Wrote GIF file: /home/apache/climate/data/raob//UIBB/skewt/UIBB.skewt.20250428.00.gif