UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for UIBB... Searching the city database file for: UIBB ... Date:1200Z 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 154 SFC 969 489 6.2 -7.8 36 14.0 1.0 330 1 281.9 282.3 275.7 288.2 2.19 2 925 790 1.8 -12.2 35 14.0 -2.7 355 13 281.1 281.4 274.5 285.9 1.62 3 871 1271 -3.7 -14.7 42 11.0 -6.8 344 14 280.3 280.5 273.7 284.4 1.40 4 850 1464 -5.3 -15.3 45 10.0 -8.1 340 15 280.6 280.8 273.8 284.6 1.37 5 788 2053 -10.3 -15.3 67 5.0 -11.6 350 20 281.4 281.6 274.4 285.7 1.47 6 785 2082 -10.3 -15.3 67 5.0 -11.6 350 20 281.7 281.9 274.6 286.0 1.48 7 770 2231 -8.5 -19.5 41 11.0 -11.2 353 21 285.2 285.4 275.8 288.4 1.06 8 752 2414 -9.5 -29.5 18 20.0 -13.2 356 23 286.0 286.1 275.3 287.4 0.44 9 700 2965 -11.7 -33.7 14 22.0 -15.2 5 27 289.5 289.6 276.9 290.6 0.32 10 616 3934 -16.7 -37.7 14 21.0 -19.5 359 44 294.6 294.6 279.3 295.4 0.24 11 588 4284 -15.9 -43.9 7 28.0 -19.3 357 51 299.4 299.5 281.3 299.9 0.13 12 573 4478 -16.9 -45.9 6 29.0 -20.1 356 54 300.5 300.5 281.7 300.9 0.11 13 522 5173 -20.3 -41.3 14 21.0 -22.8 352 67 304.5 304.6 283.5 305.2 0.20 14 500 5490 -22.7 -39.7 20 17.0 -24.8 350 73 305.4 305.4 283.9 306.2 0.24 15 400 7080 -35.1 -48.1 25 13.0 -36.0 360 81 309.4 309.4 285.2 309.8 0.12 16 362 7771 -40.7 -51.7 30 11.0 -41.2 360 82 310.8 310.9 285.7 311.2 0.09 17 358 7847 -41.5 -52.5 29 11.0 -42.0 360 83 310.8 310.8 285.7 311.1 0.08 18 300 9030 -49.3 -60.3 27 11.0 -49.6 360 85 315.9 315.9 287.4 316.0 0.04 19 250 10200 -56.3 -67.3 24 11.0 -56.5 350 89 322.4 322.4 289.5 322.4 0.02 20 248 10251 -56.3 -67.3 24 11.0 -56.5 349 89 323.1 323.1 289.7 323.2 0.02 21 242 10407 -55.1 -66.1 24 11.0 -55.3 345 91 327.2 327.2 290.9 327.2 0.02 22 237 10541 -54.1 -65.1 25 11.0 -54.3 344 87 330.6 330.7 291.9 330.8 0.03 23 221 10987 -56.7 -68.7 21 12.0 -56.9 340 75 333.3 333.3 292.6 333.4 0.02 24 212 11253 -52.3 -64.3 22 12.0 -52.6 338 68 344.2 344.2 295.3 344.3 0.03 25 200 11630 -52.9 -64.9 22 12.0 -53.2 335 58 349.0 349.0 296.4 349.1 0.03 26 184 12169 -52.3 -65.3 19 13.0 -52.7 358.4 358.4 298.4 358.5 0.03 TRP WND 242 10407 -55.1 -66.1 24 11.0 -55.3 345 91 327.2 327.2 290.9 327.2 0.02 Sounding variables and indices 1000-500 mb thick: 5336.00 m Freezing level: 907.33 mb = 947.51 m = 3108.60 ft Wetbulb zero: 957.59 mb = 565.72 m = 1856.02 ft Precipitable water: 0.16 inches Sfc-500 mean rel hum: 24.97 % Est. max temperature: 5.32 C = 41.58 F Sfc-Lift cond lev (LCL): 780.37 mb = 2127.65 m = 6980.40 ft T: -9.75 C 700-500 lapse rate: 4.36 C/km ThetaE index: 3.77 C Layer 925.0- 850.0 mb Conv cond level (CCL): 557.06 mb = 4688.28 m = 15381.31 ft Mean mixing ratio: 1.68 g/kg Conv temperature: 25.85 C = 78.53 F Cap Strength: 16.30 C Lifted Index: 16.63 C Risk: None Lifted Index @300 mb: 21.23 C Lifted Index @700 mb: 6.68 C Showalter Index: 17.65 C Risk: None Total Totals Index: 24.80 C Risk: None Vertical Totals Index: 17.40 C Cross Totals Index: 7.40 C K Index: -19.90 Risk: None Sweat Index: 103.00 Risk: None Energy Index: 4.54 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.92 J/kg Max Up Vert Vel: 4.67 m/s Conv Inhibition (B-): 7977.73 J/kg Cap Strength: 16.48 C Lift Cond Lev (LCL): 748.98 mb = 2444.95 m = 8021.38 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 24 at 31 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 ---------------------------------------------------------- 0 969 489 330 1 0.5 -0.9 | 205 30 12.9 27.2 1 925 790 355 13 1.1 -13.0 | 222 20 13.5 15.1 2 850 1464 340 15 5.1 -14.1 | 231 22 17.5 14.0 3 700 2965 5 27 -2.4 -26.9 | 263 10 10.0 1.2 4 500 5490 350 73 12.7 -71.9 | 330 50 25.0 -43.8 5 400 7080 360 81 -0.0 -81.0 | 347 54 12.4 -52.9 6 300 9030 360 85 -0.0 -85.0 | 348 58 12.4 -56.9 7 250 10200 350 89 15.5 -87.6 | 335 66 27.8 -59.6 8 242 10407 345 91 23.6 -87.9 | 329 70 35.9 -59.8 9 200 11630 335 58 24.5 -52.6 | 304 44 36.9 -24.5 Wind Parameters Mean winds (0-6000m): 353.8 at 40.9 knts Storm direction: 23.8 at 30.7 knts Shear (0-3000m) pos: 4.5 neg: 1.9 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 101.8 deg Storm rel helicity (0-3000m) pos: 134.6 neg: 0.0 tot: 134.6 m^2/s^2 ave: 44.9 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 4.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.08 Bulk Shear: 133.28 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 ------------------------------------------------------------------------------- 500 353 9 215 23| 13.0 0.0 13.0| 56.7 0.0 56.7 113.3 0.63| 14.0 8.7 1000 348 12 221 22| 6.5 1.5 8.1| 71.4 0.0 71.4 71.4 0.67| 8.6 5.7 1500 347 13 226 22| 5.8 1.0 6.9| 87.5 0.0 87.5 58.4 0.66| 7.3 4.8 2000 350 15 229 20| 5.5 0.8 6.3|100.0 0.0 100.0 50.0 0.64| 6.8 4.4 2500 354 17 232 18| 5.4 0.6 6.0|110.3 0.0 110.3 44.1 0.63| 6.6 4.2 3000 356 19 238 16| 4.5 1.9 6.4|134.6 0.0 134.6 44.9 0.69| 7.1 4.9 4000 357 26 261 14| 3.4 3.8 7.2|173.6 0.0 173.6 43.4 0.59| 7.7 4.6 5000 354 34 289 17| 2.7 5.0 7.7|184.4 -1.7 182.7 36.5 0.46| 8.2 3.8 6000 354 41 307 21| 2.9 4.2 7.1|312.8 -1.7 311.2 51.9 0.52| 7.6 3.9 Wrote GIF file: /home/apache/climate/data/raob//UIBB/skewt/UIBB.skewt.20250428.12.gif