UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for UIBB... Searching the city database file for: UIBB ... Date:1200Z 20 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 170 SFC 970 489 -0.3 -13.3 37 13.0 -4.1 260 1 275.2 275.5 270.7 279.3 1.41 2 925 790 -4.7 -16.7 38 12.0 -7.7 265 11 274.5 274.7 269.7 277.7 1.12 3 890 1092 -8.3 -18.3 44 10.0 -10.6 260 11 273.8 274.0 269.1 276.8 1.01 4 850 1447 -11.1 -19.1 52 8.0 -12.8 255 11 274.5 274.7 269.5 277.4 0.99 5 751 2382 -19.5 -24.0 67 4.5 -20.3 271 15 275.3 275.4 269.6 277.5 0.73 6 745 2442 -19.1 -23.5 68 4.4 -19.8 272 15 276.4 276.5 270.3 278.6 0.77 7 739 2502 -18.5 -23.2 66 4.7 -19.3 273 15 277.7 277.8 271.1 280.0 0.80 8 700 2904 -21.9 -31.9 40 10.0 -23.1 280 17 278.2 278.3 270.8 279.4 0.38 9 668 3247 -24.7 -34.7 39 10.0 -25.7 275 17 278.8 278.9 271.0 279.8 0.30 10 512 5119 -41.3 -49.3 42 8.0 -41.6 247 17 280.8 280.8 271.8 281.1 0.08 11 500 5280 -42.1 -50.1 41 8.0 -42.4 245 17 281.7 281.7 272.3 282.0 0.08 12 400 6770 -47.3 -57.3 31 10.0 -47.5 255 21 293.5 293.5 278.4 293.7 0.04 13 394 6869 -48.1 -59.1 27 11.0 -48.3 265 25 293.7 293.7 278.6 293.9 0.03 14 361 7445 -46.5 -58.5 24 12.0 -46.8 278 25 303.3 303.3 282.8 303.5 0.04 15 300 8660 -49.3 -63.3 18 14.0 -49.6 305 25 315.9 315.9 287.4 316.0 0.03 16 298 8704 -49.7 -63.7 18 14.0 -50.0 304 25 315.9 315.9 287.4 316.0 0.02 17 250 9860 -48.3 -64.3 14 16.0 -48.7 290 23 334.3 334.3 292.9 334.4 0.03 18 225 10558 -45.9 -63.9 11 18.0 -46.5 285 25 348.2 348.2 296.3 348.3 0.03 19 200 11340 -46.9 -66.9 8 20.0 -47.5 280 27 358.5 358.5 298.4 358.6 0.02 20 182 11963 -49.9 -69.9 8 20.0 -50.4 270 26 363.4 363.4 299.4 363.5 0.02 21 161 12771 -47.7 -69.7 6 22.0 -48.4 257 25 380.1 380.1 302.3 380.2 0.02 22 150 13240 -47.1 -70.1 5 23.0 -47.9 250 25 388.9 388.9 303.6 389.0 0.02 23 122 14608 -44.7 -69.7 4 25.0 -46.0 258 22 417.0 417.0 307.4 417.1 0.03 24 100 15930 -45.7 -71.7 4 26.0 -47.1 265 19 439.4 439.4 309.8 439.6 0.02 25 85 16999 -49.7 -74.7 4 25.0 -50.8 244 18 452.2 452.2 311.1 452.3 0.02 26 77 17649 -45.9 -71.9 4 26.0 -47.6 232 18 473.1 473.1 312.9 473.3 0.03 27 70 18280 -46.9 -72.9 4 26.0 -48.6 220 17 484.1 484.1 313.8 484.2 0.03 28 62 19081 -47.9 -73.9 3 26.0 -49.6 209 15 498.9 498.9 314.9 499.1 0.03 29 57 19631 -51.5 -76.5 3 25.0 -52.8 202 13 502.9 502.9 315.2 503.0 0.02 30 50 20480 -51.7 -76.7 3 25.0 -53.1 190 11 521.6 521.6 316.4 521.8 0.02 31 44 21308 -52.1 -76.1 4 24.0 -53.6 540.1 540.1 317.5 540.3 0.03 TRP 394 6869 -48.1 -59.1 27 11.0 -48.3 265 25 293.7 293.7 278.6 293.9 0.03 WND Sounding variables and indices 1000-500 mb thick: 5110.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 46.02 % Est. max temperature: -0.76 C = 30.63 F Sfc-Lift cond lev (LCL): 790.65 mb = 1993.77 m = 6541.14 ft T: -16.01 C 700-500 lapse rate: 8.50 C/km ThetaE index: 2.51 C Layer 925.0- 850.0 mb Conv cond level (CCL): 758.64 mb = 2305.92 m = 7565.28 ft Mean mixing ratio: 1.14 g/kg Conv temperature: -0.29 C = 31.48 F Cap Strength: 2.92 C Lifted Index: 3.61 C Risk: None Lifted Index @300 mb: 27.03 C Lifted Index @700 mb: 2.48 C Showalter Index: 3.88 C Risk: None Total Totals Index: 54.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 31.00 C Cross Totals Index: 23.00 C K Index: 1.90 Risk: None Sweat Index: 139.00 Risk: None Energy Index: 0.96 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.34 J/kg Max Up Vert Vel: 3.56 m/s Conv Inhibition (B-): 39347.46 J/kg Cap Strength: 3.18 C Lift Cond Lev (LCL): 767.91 mb = 2214.20 m = 7264.34 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 291 at 12 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 ---------------------------------------------------------- 0 970 489 260 1 1.0 0.2 | 113 11 -9.8 4.2 1 925 790 265 11 11.0 1.0 | 181 5 0.1 5.0 2 850 1447 255 11 10.6 2.8 | 178 7 -0.2 6.9 3 700 2904 280 17 16.7 -3.0 | 259 6 5.9 1.1 4 500 5280 245 17 15.4 7.2 | 202 12 4.6 11.3 5 400 6770 255 21 20.3 5.4 | 225 13 9.5 9.5 6 394 6869 265 25 24.9 2.2 | 246 15 14.1 6.2 7 300 8660 305 25 20.5 -14.3 | 317 14 9.7 -10.3 8 250 9860 290 23 21.6 -7.9 | 289 11 10.8 -3.8 9 200 11340 280 27 26.6 -4.7 | 272 16 15.8 -0.6 10 150 13240 250 25 23.5 8.6 | 225 18 12.7 12.6 11 100 15930 265 19 18.9 1.7 | 235 10 8.1 5.7 12 70 18280 220 17 10.9 13.0 | 180 17 0.1 17.1 13 50 20480 190 11 1.9 10.8 | 149 17 -8.9 14.9 Wind Parameters Mean winds (0-6000m): 260.6 at 15.4 knts Storm direction: 290.6 at 11.6 knts Shear (0-3000m) pos: 2.8 neg: 0.6 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 126.0 deg Storm rel helicity (0-3000m) pos: 26.6 neg: -4.2 tot: 22.4 m^2/s^2 ave: 7.5 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.80 Bulk Shear: 7.91 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 ------------------------------------------------------------------------------- 500 264 8 147 6| 10.3 0.0 10.3| 13.9 -0.1 13.8 27.6 0.73| 11.0 8.1 1000 261 9 163 6| 5.1 0.6 5.8| 14.2 -0.4 13.7 13.7 0.65| 6.2 4.0 1500 261 10 172 6| 4.2 0.4 4.6| 18.5 -0.4 18.0 12.0 0.70| 5.1 3.6 2000 264 11 183 5| 3.7 0.3 4.0| 22.8 -0.4 22.4 11.2 0.75| 4.6 3.4 2500 268 12 197 5| 3.4 0.3 3.6| 26.6 -0.8 25.8 10.3 0.76| 4.2 3.2 3000 269 13 207 5| 2.8 0.6 3.4| 26.6 -4.2 22.4 7.5 0.60| 3.9 2.3 4000 268 14 215 6| 2.1 1.0 3.1| 26.6 -11.9 14.6 3.7 0.37| 3.5 1.3 5000 264 15 213 7| 1.7 1.1 2.8| 28.7 -19.3 9.4 1.9 0.26| 3.2 0.9 6000 261 15 214 8| 1.7 0.9 2.6| 40.0 -19.3 20.8 3.5 0.34| 3.0 1.0 Wrote GIF file: /home/apache/climate/data/raob//UIBB/skewt/UIBB.skewt.20250420.12.gif