UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for UIBB... Searching the city database file for: UIBB ... Date:1200Z 21 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 5 SFC 951 489 2.6 -1.0 77 3.6 1.1 90 1 279.7 280.4 276.7 290.1 3.73 2 925 637 1.0 -4.0 69 5.0 -1.0 325 5 280.3 280.9 276.1 289.0 3.07 3 850 1309 -4.9 -8.8 74 3.9 -6.2 280 17 281.0 281.4 275.4 287.6 2.31 4 823 1562 -6.9 -9.9 79 3.0 -7.8 280 20 281.5 281.9 275.5 287.8 2.19 5 700 2807 -14.5 -18.9 69 4.4 -15.5 280 38 286.4 286.6 276.7 290.1 1.23 6 690 2916 -15.1 -19.2 71 4.1 -16.0 279 38 286.9 287.2 277.0 290.6 1.21 7 542 4690 -29.9 -34.9 62 5.0 -30.4 261 46 289.8 289.9 277.2 291.0 0.36 8 500 5260 -33.9 -38.5 63 4.6 -34.3 255 48 291.7 291.8 278.0 292.6 0.27 9 470 5691 -37.1 -41.1 66 4.0 -37.4 261 52 292.9 293.0 278.4 293.7 0.22 10 424 6396 -41.5 -48.5 47 7.0 -41.8 270 60 296.1 296.1 279.8 296.5 0.11 11 400 6790 -42.7 -50.7 41 8.0 -43.0 275 64 299.5 299.5 281.3 299.8 0.09 12 382 7100 -43.7 -52.7 36 9.0 -44.0 273 79 302.1 302.2 282.4 302.4 0.08 13 371 7296 -43.3 -53.3 32 10.0 -43.7 272 89 305.2 305.2 283.6 305.5 0.07 14 362 7461 -43.9 -53.9 32 10.0 -44.3 271 97 306.6 306.6 284.1 306.8 0.07 15 351 7668 -43.9 -54.9 29 11.0 -44.3 270 107 309.3 309.3 285.1 309.5 0.06 16 348 7725 -44.2 -55.3 28 11.1 -44.6 270 110 309.6 309.7 285.2 309.9 0.06 17 325 8181 -46.5 -58.5 24 12.0 -46.9 272 107 312.6 312.6 286.3 312.7 0.04 18 300 8710 -48.1 -60.1 24 12.0 -48.4 275 104 317.6 317.6 288.0 317.7 0.04 19 282 9117 -49.5 -62.5 20 13.0 -49.8 275 91 321.2 321.2 289.2 321.3 0.03 20 281 9140 -49.5 -62.5 20 13.0 -49.8 275 90 321.5 321.5 289.3 321.7 0.03 21 250 9910 -47.1 -62.1 16 15.0 -47.6 280 66 336.0 336.0 293.4 336.2 0.04 22 200 11380 -47.9 -65.9 11 18.0 -48.4 275 52 356.9 356.9 298.1 357.0 0.03 23 180 12080 -45.7 -65.7 9 20.0 -46.5 273 45 371.4 371.4 300.8 371.6 0.03 24 150 13290 -48.3 -70.3 6 22.0 -49.0 270 33 386.8 386.8 303.3 386.9 0.02 25 100 15950 -49.5 -73.5 4 24.0 -50.4 265 23 432.1 432.1 309.1 432.2 0.02 26 86 16933 -51.3 -76.3 4 25.0 -52.2 259 20 447.5 447.5 310.6 447.6 0.01 27 78 17570 -48.7 -73.7 4 25.0 -50.0 255 17 465.6 465.6 312.3 465.7 0.02 28 70 18280 -49.1 -74.1 4 25.0 -50.5 250 15 479.3 479.4 313.4 479.5 0.02 29 55 19865 -48.5 -73.5 4 25.0 -50.3 282 9 514.9 515.0 316.0 515.2 0.03 30 50 20490 -50.5 -75.5 4 25.0 -52.1 295 7 524.5 524.5 316.6 524.6 0.03 31 35 22792 -54.9 -78.9 4 24.0 -56.3 271 7 569.3 569.3 319.1 569.5 0.02 32 31 23576 -49.9 -74.9 4 25.0 -52.4 262 7 602.9 602.9 320.7 603.3 0.05 33 30 23790 -50.7 -75.7 4 25.0 -53.1 260 7 606.4 606.4 320.9 606.7 0.04 34 24 25234 -53.7 -77.7 4 24.0 -55.8 637.7 637.7 322.2 638.0 0.04 35 20 26413 -51.1 -76.1 4 25.0 -54.2 679.8 679.8 323.8 680.3 0.06 TRP 282 9117 -49.5 -62.5 20 13.0 -49.8 275 91 321.2 321.2 289.2 321.3 0.03 WND 348 7725 -44.2 -55.3 28 11.1 -44.6 270 110 309.6 309.7 285.2 309.9 0.06 Sounding variables and indices 1000-500 mb thick: 5255.00 m Freezing level: 912.29 mb = 750.90 m = 2463.55 ft Wetbulb zero: 937.38 mb = 566.03 m = 1857.03 ft Precipitable water: 0.29 inches Sfc-500 mean rel hum: 69.38 % Est. max temperature: 5.16 C = 41.29 F Sfc-Lift cond lev (LCL): 899.34 mb = 860.62 m = 2823.53 ft T: -0.96 C 700-500 lapse rate: 7.91 C/km ThetaE index: 2.51 C Layer 925.0- 823.0 mb Conv cond level (CCL): 830.80 mb = 1487.92 m = 4881.56 ft Mean mixing ratio: 2.87 g/kg Conv temperature: 4.20 C = 39.56 F Cap Strength: 2.31 C Lifted Index: 3.38 C Risk: None Lifted Index @300 mb: 20.55 C Lifted Index @700 mb: 2.06 C Showalter Index: 4.11 C Risk: None Total Totals Index: 54.10 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.00 C Cross Totals Index: 25.10 C K Index: 15.80 Risk: < 20 % chance of thunderstorms Sweat Index: 184.00 Risk: None Energy Index: 1.04 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.46 J/kg Max Up Vert Vel: 2.22 m/s Conv Inhibition (B-): 56092.06 J/kg Cap Strength: 3.36 C Lift Cond Lev (LCL): 841.35 mb = 1389.17 m = 4557.58 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 299 at 28 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 ---------------------------------------------------------- 0 951 489 90 1 -1.0 0.0 | 118 29 -25.4 13.4 1 925 637 325 5 2.9 -4.1 | 113 23 -21.5 9.3 2 850 1309 280 17 16.7 -3.0 | 144 13 -7.7 10.4 3 700 2807 280 38 37.4 -6.6 | 243 15 13.0 6.8 4 500 5260 255 48 46.4 12.4 | 220 34 21.9 25.8 5 400 6790 275 64 63.8 -5.6 | 259 40 39.3 7.8 6 348 7725 270 110 110.0 -0.0 | 261 87 85.6 13.4 7 300 8710 275 104 103.6 -9.1 | 267 79 79.2 4.3 8 282 9117 275 91 90.7 -7.9 | 265 66 66.2 5.4 9 250 9910 280 66 65.0 -11.5 | 267 41 40.6 1.9 10 200 11380 275 52 51.8 -4.5 | 252 29 27.4 8.8 11 150 13290 270 33 33.0 -0.0 | 213 16 8.6 13.4 12 100 15950 265 23 22.9 2.0 | 174 15 -1.5 15.4 13 70 18280 250 15 14.1 5.1 | 151 21 -10.3 18.5 14 50 20490 295 7 6.3 -3.0 | 120 21 -18.1 10.4 15 30 23790 260 7 6.9 1.2 | 130 23 -17.5 14.6 Wind Parameters Mean winds (0-6000m): 268.7 at 37.1 knts Storm direction: 298.7 at 27.8 knts Shear (0-3000m) pos: 0.0 neg: 7.2 tot: 7.2 10-3/s Storm rel Dir Shear (0-3000m): 117.8 deg Storm rel helicity (0-3000m) pos: 83.3 neg: -31.7 tot: 51.6 m^2/s^2 ave: 17.2 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 3.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.02 Bulk Shear: 143.74 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 ------------------------------------------------------------------------------- 500 313 6 115 22| 0.0 12.5 12.5| 10.3 -22.8 -12.5 -24.9 -0.09| 14.5 -1.2 1000 289 11 125 18| 0.0 10.5 10.5| 40.3 -22.8 17.5 17.5 0.30| 12.5 3.7 1500 284 14 133 14| 0.0 9.4 9.4| 56.8 -22.8 34.0 22.7 0.44| 10.7 4.7 2000 282 18 145 11| 0.0 8.9 8.9| 73.3 -22.8 50.6 25.3 0.52| 9.8 5.2 2500 282 22 162 9| 0.0 8.2 8.2| 83.3 -24.3 59.0 23.6 0.51| 9.1 4.7 3000 280 25 179 9| 0.0 7.2 7.2| 83.3 -31.7 51.6 17.2 0.44| 8.3 3.6 4000 275 29 204 12| 0.0 5.9 5.9| 83.3 -54.6 28.6 7.2 0.31| 7.3 2.2 5000 270 33 213 16| 0.4 4.9 5.3|111.5 -79.1 32.4 6.5 0.26| 6.9 1.8 6000 269 37 222 19| 1.6 4.1 5.7|264.6 -79.1 185.4 30.9 0.40| 7.2 2.9 Wrote GIF file: /home/apache/climate/data/raob//UIBB/skewt/UIBB.skewt.20250421.12.gif