UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for UIBB... Searching the city database file for: UIBB ... Date:1200Z 18 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 20 SFC 953 489 7.6 -4.4 42 12.0 2.6 300 3 284.6 285.1 278.1 292.9 2.89 2 925 662 4.6 -7.4 41 12.0 0.1 325 17 284.0 284.4 277.1 290.9 2.37 3 860 1250 -1.1 -9.1 55 8.0 -3.9 312 26 284.0 284.4 276.9 290.5 2.23 4 850 1343 -1.5 -9.5 54 8.0 -4.3 310 27 284.6 285.0 277.1 290.9 2.18 5 842 1418 -1.7 -9.7 54 8.0 -4.4 304 27 285.1 285.5 277.4 291.5 2.17 6 837 1466 -0.7 -8.7 55 8.0 -3.6 301 27 286.7 287.1 278.4 293.6 2.36 7 770 2125 -5.9 -9.5 76 3.6 -7.1 251 24 288.0 288.4 279.1 295.1 2.41 8 762 2207 -6.3 -9.4 79 3.1 -7.4 245 24 288.4 288.9 279.4 295.6 2.46 9 744 2394 -6.1 -8.4 84 2.3 -7.0 231 23 290.6 291.1 280.7 298.7 2.72 10 741 2425 -6.1 -8.4 84 2.3 -7.0 229 23 291.0 291.4 280.9 299.0 2.73 11 702 2847 -8.1 -12.2 72 4.1 -9.4 197 21 293.3 293.7 281.2 299.7 2.13 12 700 2869 -8.3 -12.5 72 4.2 -9.6 195 21 293.3 293.7 281.1 299.6 2.09 13 540 4830 -22.1 -29.1 53 7.0 -23.2 210 24 299.4 299.5 282.0 301.5 0.64 14 500 5390 -26.9 -32.9 57 6.0 -27.7 215 25 300.2 300.3 282.1 301.8 0.48 15 438 6326 -35.1 -44.1 39 9.0 -35.7 227 33 301.4 301.5 282.2 302.1 0.17 16 400 6950 -40.5 -49.5 37 9.0 -40.9 235 38 302.4 302.4 282.5 302.7 0.10 17 338 8078 -50.1 -58.1 38 8.0 -50.3 232 50 304.2 304.2 283.1 304.3 0.04 18 300 8850 -55.5 -62.5 41 7.0 -55.6 230 58 307.1 307.1 284.2 307.2 0.03 19 269 9535 -60.3 -67.3 39 7.0 -60.4 230 69 309.8 309.8 285.2 309.9 0.02 20 262 9698 -61.5 -68.5 39 7.0 -61.6 230 66 310.4 310.4 285.5 310.5 0.01 21 250 9990 -58.7 -65.7 40 7.0 -58.8 235 58 318.8 318.8 288.4 318.9 0.02 22 228 10580 -51.1 -58.1 43 7.0 -51.3 227 50 338.9 338.9 294.1 339.2 0.07 23 224 10695 -51.7 -58.7 43 7.0 -51.9 225 48 339.7 339.7 294.3 340.0 0.06 24 201 11398 -52.5 -60.5 37 8.0 -52.7 215 38 349.1 349.1 296.5 349.4 0.06 25 200 11430 -52.1 -60.1 38 8.0 -52.4 215 38 350.3 350.3 296.7 350.5 0.06 26 160 12894 -46.3 -58.3 24 12.0 -47.0 211 28 383.1 383.2 302.8 383.6 0.09 27 150 13320 -49.1 -63.1 18 14.0 -49.7 210 25 385.5 385.5 303.2 385.7 0.05 28 149 13364 -49.3 -63.3 18 14.0 -49.9 210 25 385.9 385.9 303.2 386.1 0.05 29 100 15970 -51.7 -71.7 7 20.0 -52.4 235 25 427.8 427.8 308.6 428.0 0.02 30 70 18270 -53.1 -75.1 5 22.0 -54.0 240 25 470.8 470.8 312.7 470.9 0.02 31 56 19705 -52.5 -76.5 4 24.0 -53.7 247 17 503.2 503.2 315.2 503.3 0.02 32 51 20304 -55.3 -79.3 4 24.0 -56.2 249 14 510.3 510.3 315.7 510.4 0.01 33 50 20430 -54.3 -78.3 4 24.0 -55.4 250 13 515.5 515.5 316.0 515.6 0.02 34 41 21706 -52.1 -77.1 3 25.0 -53.7 244 12 551.1 551.1 318.2 551.3 0.03 35 30 23720 -53.1 -77.1 4 24.0 -54.9 235 11 599.9 599.9 320.6 600.1 0.04 36 27 24396 -55.1 -79.1 4 24.0 -56.8 612.6 612.6 321.2 612.8 0.03 37 21 26010 -52.7 -77.7 3 25.0 -55.3 665.5 665.5 323.3 665.9 0.05 TRP 262 9698 -61.5 -68.5 39 7.0 -61.6 230 66 310.4 310.4 285.5 310.5 0.01 WND 269 9535 -60.3 -67.3 39 7.0 -60.4 230 69 309.8 309.8 285.2 309.9 0.02 Sounding variables and indices 1000-500 mb thick: 5370.00 m Freezing level: 872.54 mb = 1136.29 m = 3727.95 ft Wetbulb zero: 923.72 mb = 673.16 m = 2208.50 ft Precipitable water: 0.36 inches Sfc-500 mean rel hum: 61.33 % Est. max temperature: 10.26 C = 50.47 F Sfc-Lift cond lev (LCL): 792.34 mb = 1899.12 m = 6230.64 ft T: -4.12 C 700-500 lapse rate: 7.38 C/km ThetaE index: 2.44 C Layer 925.0- 850.0 mb Conv cond level (CCL): 656.72 mb = 3351.17 m = 10994.53 ft Mean mixing ratio: 2.38 g/kg Conv temperature: 17.69 C = 63.84 F Cap Strength: 8.52 C Lifted Index: 8.59 C Risk: None Lifted Index @300 mb: 11.45 C Lifted Index @700 mb: 6.62 C Showalter Index: 8.65 C Risk: None Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 25.40 C Cross Totals Index: 17.40 C K Index: 11.70 Risk: None Sweat Index: 79.00 Risk: None Energy Index: 2.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.94 J/kg Max Up Vert Vel: 1.97 m/s Conv Inhibition (B-): 47505.30 J/kg Cap Strength: 8.56 C Lift Cond Lev (LCL): 767.38 mb = 2151.85 m = 7059.78 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 260 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 ---------------------------------------------------------- 0 953 489 300 3 2.6 -1.5 | 72 16 -15.0 -4.7 1 925 662 325 17 9.8 -13.9 | 25 19 -7.9 -17.2 2 850 1343 310 27 20.7 -17.4 | 352 21 3.1 -20.6 3 700 2869 195 21 5.4 20.3 | 144 21 -12.2 17.0 4 500 5390 215 25 14.3 20.5 | 169 18 -3.3 17.2 5 400 6950 235 38 31.1 21.8 | 216 23 13.5 18.6 6 300 8850 230 58 44.4 37.3 | 218 43 26.8 34.0 7 269 9535 230 69 52.9 44.4 | 221 54 35.2 41.1 8 262 9698 230 66 50.6 42.4 | 220 51 32.9 39.2 9 250 9990 235 58 47.5 33.3 | 225 42 29.9 30.0 10 200 11430 215 38 21.8 31.1 | 188 28 4.2 27.9 11 150 13320 210 25 12.5 21.7 | 164 19 -5.1 18.4 12 100 15970 235 25 20.5 14.3 | 194 11 2.8 11.1 13 70 18270 240 25 21.7 12.5 | 203 10 4.0 9.3 14 50 20430 250 13 12.2 4.4 | 103 6 -5.4 1.2 15 30 23720 235 11 9.0 6.3 | 110 9 -8.6 3.1 Wind Parameters Mean winds (0-6000m): 229.6 at 23.9 knts Storm direction: 259.6 at 17.9 knts Shear (0-3000m) pos: 3.4 neg: 6.4 tot: 9.8 10-3/s Storm rel Dir Shear (0-3000m): 77.3 deg Storm rel helicity (0-3000m) pos: 10.2 neg: -228.9 tot: -218.8 m^2/s^2 ave: -72.9 10^-3 m/s^2 rel: -0.79 Storm rel vorticity (0-3000m) horiz: 13.1 stream: -10.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.02 Bulk Shear: 109.36 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 ------------------------------------------------------------------------------- 500 321 15 28 17| 19.5 0.0 19.5| 0.0 -79.4 -79.4 -158.8 -0.92| 20.7-19.0 1000 314 20 11 18| 9.8 4.7 14.4| 0.0-128.4-128.4 -128.4 -0.90| 16.0-14.4 1500 303 22 358 15| 6.5 7.5 14.1| 0.0-164.7-164.7 -109.8 -0.85| 16.5-14.0 2000 292 22 346 12| 4.9 8.3 13.2| 0.0-194.2-194.2 -97.1 -0.85| 16.4-14.0 2500 284 22 336 9| 3.9 7.7 11.6| 1.7-228.9-227.2 -90.9 -0.83| 15.4-12.7 3000 267 22 296 5| 3.4 6.4 9.8| 10.2-228.9-218.8 -72.9 -0.79| 13.1-10.3 4000 243 22 197 7| 2.9 4.8 7.7| 27.0-228.9-202.0 -50.5 -0.71| 10.3 -7.3 5000 232 23 181 11| 2.7 3.9 6.5| 46.5-228.9-182.5 -36.5 -0.63| 8.7 -5.4 6000 230 24 183 12| 3.0 3.2 6.2| 98.2-228.9-130.7 -21.8 -0.45| 8.2 -3.7 Wrote GIF file: /home/apache/climate/data/raob//UIBB/skewt/UIBB.skewt.20250418.12.gif