UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121512.upa.cvt Date: 1200Z 15 DEC 25 Searching for UIBB... Searching the city database file for: UIBB ... Date:1200Z 15 DEC 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 187 SFC 970 489 -17.9 -19.9 84 2.0 -18.2 0 0 257.5 257.6 256.8 259.7 0.81 2 967 507 -17.9 -21.4 74 3.5 -18.4 356 1 257.7 257.8 256.8 259.7 0.71 3 961 545 -18.5 -22.0 74 3.5 -19.0 348 2 257.6 257.7 256.6 259.4 0.68 4 937 698 -12.9 -15.9 78 3.0 -13.5 316 8 265.1 265.3 263.5 268.4 1.18 5 928 757 -13.3 -15.9 81 2.6 -13.9 304 10 265.5 265.7 263.7 268.7 1.19 6 925 777 -11.9 -14.3 82 2.4 -12.5 300 11 267.1 267.4 265.3 270.9 1.36 7 885 1115 -10.9 -12.5 88 1.6 -11.3 297 15 271.6 271.8 268.8 276.2 1.65 8 850 1423 -12.1 -13.7 88 1.6 -12.5 295 19 273.5 273.7 269.8 277.9 1.56 9 700 2892 -17.3 -19.6 82 2.3 -17.8 310 25 283.3 283.5 275.0 286.8 1.15 10 669 3230 -18.1 -20.6 81 2.5 -18.6 308 26 286.1 286.3 276.4 289.5 1.11 11 502 5312 -32.3 -34.6 80 2.3 -32.5 295 29 293.3 293.4 278.9 294.6 0.40 12 500 5340 -31.9 -34.3 79 2.4 -32.1 295 29 294.1 294.2 279.3 295.5 0.42 13 498 5368 -31.5 -33.9 79 2.4 -31.7 295 29 295.0 295.0 279.7 296.4 0.44 14 400 6890 -41.9 -44.5 76 2.6 -42.1 300 38 300.5 300.6 281.8 301.2 0.18 15 399 6907 -42.1 -44.7 76 2.6 -42.2 300 38 300.5 300.5 281.8 301.1 0.18 16 300 8790 -52.9 -57.2 59 4.3 -53.0 320 58 310.8 310.8 285.7 311.0 0.06 17 250 9950 -59.5 -63.9 56 4.4 -59.6 315 58 317.6 317.6 288.0 317.7 0.03 18 244 10102 -60.7 -64.9 58 4.2 -60.7 315 57 318.0 318.0 288.1 318.1 0.03 19 207 11119 -64.1 -68.7 53 4.6 -64.1 315 54 328.0 328.0 291.2 328.1 0.02 20 205 11178 -64.1 -68.7 53 4.6 -64.1 315 55 328.9 328.9 291.5 329.0 0.02 21 200 11330 -63.7 -68.3 53 4.6 -63.7 315 56 331.9 331.9 292.3 332.0 0.02 22 169 12365 -61.1 -65.6 55 4.5 -61.2 309 56 352.6 352.6 297.2 352.7 0.03 23 150 13100 -62.7 -67.4 53 4.7 -62.8 305 56 362.1 362.1 299.1 362.2 0.03 24 100 15590 -64.7 -69.6 51 4.9 -64.8 300 62 402.7 402.7 305.6 402.8 0.03 25 70 17750 -66.5 -71.5 49 5.0 -66.6 295 46 442.1 442.1 310.1 442.3 0.04 26 67 18015 -67.1 -72.1 49 5.0 -67.2 446.4 446.4 310.6 446.6 0.03 TRP 207 11119 -64.1 -68.7 53 4.6 -64.1 315 54 328.0 328.0 291.2 328.1 0.02 WND 100 15590 -64.7 -69.6 51 4.9 -64.8 300 62 402.7 402.7 305.6 402.8 0.03 Sounding variables and indices 1000-500 mb thick: 5153.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 82.32 % Est. max temperature: -0.26 C = 31.53 F Sfc-Lift cond lev (LCL): 938.74 mb = 686.39 m = 2251.90 ft T: -13.31 C 700-500 lapse rate: 5.96 C/km ThetaE index: 0.25 C Layer 967.0- 937.0 mb Conv cond level (CCL): 970.00 mb = 489.00 m = 1604.31 ft Mean mixing ratio: 1.29 g/kg Conv temperature: -14.41 C = 6.06 F Cap Strength: 19.30 C Lifted Index: 19.96 C Risk: None Lifted Index @300 mb: 28.91 C Lifted Index @700 mb: 13.18 C Showalter Index: 13.70 C Risk: None Total Totals Index: 38.00 C Risk: None Vertical Totals Index: 19.80 C Cross Totals Index: 18.20 C K Index: 3.80 Risk: None Sweat Index: 67.00 Risk: None Energy Index: 3.70 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 50.64 J/kg Max Up Vert Vel: 10.06 m/s Conv Inhibition (B-): 28289.66 J/kg Cap Strength: 19.13 C Lift Cond Lev (LCL): 889.49 mb = 1076.13 m = 3530.55 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 331 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 ---------------------------------------------------------- 0 970 489 0 0 -0.0 -0.0 | 151 18 -9.0 15.9 1 925 777 300 11 9.5 -5.5 | 183 10 0.6 10.4 2 850 1423 295 19 17.2 -8.0 | 226 11 8.3 7.9 3 700 2892 310 25 19.2 -16.1 | 271 10 10.2 -0.1 4 500 5340 295 29 26.3 -12.3 | 258 18 17.3 3.7 5 400 6890 300 38 32.9 -19.0 | 277 24 23.9 -3.1 6 300 8790 320 58 37.3 -44.4 | 315 40 28.3 -28.5 7 250 9950 315 58 41.0 -41.0 | 308 41 32.0 -25.1 8 207 11119 315 54 38.2 -38.2 | 307 37 29.2 -22.2 9 200 11330 315 56 39.6 -39.6 | 308 39 30.6 -23.7 10 150 13100 305 56 45.9 -32.1 | 294 40 36.9 -16.2 11 100 15590 300 62 53.7 -31.0 | 289 47 44.7 -15.1 12 70 17750 295 46 41.7 -19.4 | 276 33 32.7 -3.5 Wind Parameters Mean winds (0-6000m): 300.7 at 24.4 knts Storm direction: 330.7 at 18.3 knts Shear (0-3000m) pos: 1.4 neg: 3.5 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 116.7 deg Storm rel helicity (0-3000m) pos: 63.9 neg: -4.6 tot: 59.4 m^2/s^2 ave: 19.8 10^-3 m/s^2 rel: 0.70 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 3.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.42 Bulk Shear: 35.68 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 ------------------------------------------------------------------------------- 500 299 8 170 12| 0.0 14.0 14.0| 27.0 -2.7 24.3 48.5 0.58| 15.7 9.1 1000 297 12 189 11| 0.0 9.9 9.9| 42.2 -2.7 39.5 39.5 0.68| 10.8 7.4 1500 298 15 203 10| 0.9 6.6 7.5| 49.8 -2.7 47.1 31.4 0.71| 8.1 5.8 2000 300 16 214 9| 1.4 5.0 6.4| 57.6 -2.7 54.8 27.4 0.74| 6.8 5.1 2500 302 18 225 9| 1.6 4.0 5.6| 63.9 -3.0 61.0 24.4 0.75| 6.0 4.5 3000 303 19 233 9| 1.4 3.5 4.9| 63.9 -4.6 59.4 19.8 0.70| 5.3 3.7 4000 303 21 243 10| 1.0 2.9 3.9| 63.9 -9.0 55.0 13.7 0.59| 4.4 2.6 5000 302 23 249 11| 0.8 2.6 3.4| 67.0 -13.8 53.2 10.6 0.52| 3.9 2.0 6000 301 24 254 13| 1.2 2.2 3.3| 91.1 -13.8 77.3 12.9 0.55| 3.8 2.1 Wrote GIF file: /home/apache/climate/data/raob//UIBB/skewt/UIBB.skewt.20251215.12.gif