UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for UIBB... Searching the city database file for: UIBB ... Date:0000Z 17 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 122 SFC 964 489 -3.5 -9.5 63 6.0 -5.4 160 5 272.5 272.8 269.8 277.8 1.93 2 961 508 -2.3 -9.3 59 7.0 -4.5 165 6 273.9 274.3 270.8 279.4 1.96 3 938 656 -2.1 -12.1 46 10.0 -5.1 200 14 276.1 276.3 271.5 280.6 1.61 4 926 735 -2.1 -13.1 43 11.0 -5.3 218 19 277.1 277.3 271.9 281.4 1.50 5 925 742 -2.1 -14.1 39 12.0 -5.5 220 19 277.2 277.4 271.8 281.2 1.39 6 918 802 -1.3 -13.3 40 12.0 -4.9 223 19 278.6 278.8 272.8 282.9 1.49 7 910 872 0.4 -11.6 40 12.0 -3.5 227 18 281.0 281.3 274.6 286.0 1.73 8 899 969 0.6 -11.4 40 12.0 -3.3 232 18 282.2 282.5 275.3 287.4 1.78 9 881 1131 0.0 -12.0 40 12.0 -3.9 240 17 283.2 283.5 275.7 288.3 1.73 10 850 1416 -2.1 -14.1 39 12.0 -5.7 255 15 283.9 284.2 275.8 288.4 1.51 11 782 2072 -7.1 -19.1 38 12.0 -10.1 266 20 285.4 285.6 276.0 288.7 1.08 12 770 2192 -6.3 -19.3 35 13.0 -9.6 268 21 287.6 287.8 277.1 290.8 1.08 13 733 2576 -8.7 -21.7 34 13.0 -11.8 274 24 289.0 289.2 277.6 291.9 0.92 14 700 2931 -10.7 -19.7 48 9.0 -12.9 280 27 290.6 290.8 278.7 294.2 1.14 15 558 4637 -20.3 -25.0 66 4.7 -21.2 283 28 298.8 298.9 282.0 301.7 0.90 16 513 5254 -24.1 -30.1 58 6.0 -25.0 285 29 301.4 301.5 282.8 303.5 0.61 17 500 5440 -25.5 -31.5 57 6.0 -26.3 285 29 301.9 302.0 282.9 303.8 0.55 18 400 7020 -37.7 -43.7 53 6.0 -38.1 290 27 306.0 306.0 284.1 306.7 0.20 19 347 7984 -46.1 -52.1 51 6.0 -46.3 297 29 307.3 307.3 284.4 307.6 0.09 20 300 8940 -52.3 -58.3 48 6.0 -52.4 305 31 311.6 311.6 285.9 311.8 0.05 21 250 10100 -60.3 -66.3 45 6.0 -60.4 305 31 316.4 316.4 287.6 316.5 0.02 22 245 10226 -60.9 -66.9 45 6.0 -61.0 305 29 317.4 317.4 287.9 317.4 0.02 23 200 11510 -54.9 -60.9 47 6.0 -55.1 290 27 345.8 345.8 295.7 346.1 0.05 24 199 11542 -54.7 -60.7 47 6.0 -54.9 290 27 346.6 346.7 296.0 346.9 0.05 25 172 12482 -50.1 -58.1 38 8.0 -50.4 293 27 369.0 369.0 300.5 369.4 0.09 26 150 13370 -51.7 -62.7 26 11.0 -52.1 295 27 381.0 381.0 302.5 381.3 0.06 27 100 16000 -52.9 -69.9 11 17.0 -53.5 290 23 425.5 425.5 308.4 425.7 0.03 28 70 18290 -52.1 -74.1 5 22.0 -53.1 305 15 472.9 472.9 312.9 473.1 0.02 29 61 19177 -53.9 -75.9 5 22.0 -54.8 487.9 487.9 314.1 488.0 0.02 30 53 20086 -51.3 -75.3 4 24.0 -52.7 513.9 514.0 315.9 514.1 0.03 TRP 245 10226 -60.9 -66.9 45 6.0 -61.0 305 29 317.4 317.4 287.9 317.4 0.02 WND Sounding variables and indices 1000-500 mb thick: 5318.00 m Freezing level: Surface below freezing Freezing level: 911.88 mb = 855.64 m = 2807.17 ft Freezing level: 881.00 mb = 1131.03 m = 3710.70 ft Wetbulb zero: Below ground Precipitable water: 0.24 inches Sfc-500 mean rel hum: 49.26 % Est. max temperature: 8.61 C = 47.50 F Sfc-Lift cond lev (LCL): 876.80 mb = 1169.06 m = 3835.45 ft T: -0.28 C 700-500 lapse rate: 5.90 C/km ThetaE index: 0.23 C Layer 925.0- 918.0 mb Conv cond level (CCL): 605.43 mb = 4023.32 m = 13199.70 ft Mean mixing ratio: 1.69 g/kg Conv temperature: 19.63 C = 67.33 F Cap Strength: 14.85 C Lifted Index: 15.09 C Risk: None Lifted Index @300 mb: 19.40 C Lifted Index @700 mb: 8.85 C Showalter Index: 11.92 C Risk: None Total Totals Index: 34.80 C Risk: None Vertical Totals Index: 23.40 C Cross Totals Index: 11.40 C K Index: 0.30 Risk: None Sweat Index: 59.00 Risk: None Energy Index: 3.20 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 39.16 J/kg Max Up Vert Vel: 8.85 m/s Conv Inhibition (B-): 31159.53 J/kg Cap Strength: 14.95 C Lift Cond Lev (LCL): 769.04 mb = 2202.19 m = 7224.93 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 307 at 18 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 ---------------------------------------------------------- 0 964 489 160 5 -1.7 4.7 | 134 23 -16.4 15.6 1 925 742 220 19 12.2 14.6 | 174 26 -2.5 25.4 2 850 1416 255 15 14.5 3.9 | 179 15 -0.2 14.8 3 700 2931 280 27 26.6 -4.7 | 243 13 11.9 6.2 4 500 5440 285 29 28.0 -7.5 | 256 14 13.3 3.4 5 400 7020 290 27 25.4 -9.2 | 261 11 10.7 1.6 6 300 8940 305 31 25.4 -17.8 | 303 13 10.7 -6.9 7 250 10100 305 31 25.4 -17.8 | 303 13 10.7 -6.9 8 245 10226 305 29 23.8 -16.6 | 302 11 9.1 -5.8 9 200 11510 290 27 25.4 -9.2 | 261 11 10.7 1.6 10 150 13370 295 27 24.5 -11.4 | 273 10 9.8 -0.5 11 100 16000 290 23 21.6 -7.9 | 246 8 6.9 3.0 12 70 18290 305 15 12.3 -8.6 | 134 3 -2.4 2.3 Wind Parameters Mean winds (0-6000m): 276.5 at 24.4 knts Storm direction: 306.5 at 18.3 knts Shear (0-3000m) pos: 5.2 neg: 0.0 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 111.9 deg Storm rel helicity (0-3000m) pos: 187.3 neg: -0.5 tot: 186.9 m^2/s^2 ave: 62.3 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 6.1 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.68 Bulk Shear: 57.34 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 ------------------------------------------------------------------------------- 500 218 15 166 23| 17.2 0.0 17.2|128.0 0.0 128.0 256.1 0.86| 23.4 20.1 1000 231 15 172 21| 8.7 0.0 8.7|133.6 -0.5 133.1 133.1 0.69| 15.4 10.6 1500 241 16 178 19| 7.3 0.0 7.3|150.7 -0.5 150.2 100.2 0.73| 11.9 8.6 2000 251 17 186 17| 6.6 0.0 6.6|168.3 -0.5 167.9 83.9 0.76| 10.2 7.8 2500 259 19 195 15| 6.1 0.0 6.1|185.2 -0.5 184.7 73.9 0.79| 9.2 7.2 3000 264 20 203 14| 5.2 0.0 5.2|187.3 -0.5 186.9 62.3 0.79| 7.7 6.1 4000 270 22 214 13| 4.0 0.0 4.0|191.8 -0.5 191.3 47.8 0.79| 6.0 4.7 5000 274 24 224 13| 3.3 0.0 3.3|196.3 -0.5 195.8 39.2 0.80| 4.9 3.9 6000 277 24 230 13| 2.7 0.0 2.7|198.8 -0.5 198.3 33.1 0.78| 4.3 3.3 Wrote GIF file: /home/apache/climate/data/raob//UIBB/skewt/UIBB.skewt.20250417.00.gif