UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for UIBB... Searching the city database file for: UIBB ... Date:1200Z 9 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 286 SFC 982 489 -28.3 -32.3 68 4.0 -28.6 0 0 246.1 246.2 245.7 246.8 0.26 2 980 501 -27.1 -30.5 73 3.4 -27.3 358 0 247.5 247.5 247.1 248.3 0.31 3 948 700 -28.1 -31.5 73 3.4 -28.3 319 4 248.8 248.9 248.3 249.6 0.29 4 925 849 -26.1 -29.4 74 3.3 -26.4 290 7 252.6 252.7 251.8 253.6 0.36 5 916 920 -25.7 -28.9 74 3.2 -26.0 289 7 253.7 253.8 252.8 254.8 0.38 6 912 951 -26.1 -29.2 75 3.1 -26.4 289 8 253.6 253.7 252.7 254.7 0.37 7 889 1136 -25.1 -28.4 74 3.3 -25.4 288 9 256.5 256.6 255.2 257.7 0.41 8 850 1461 -25.7 -29.0 74 3.3 -26.0 285 11 259.2 259.3 257.4 260.4 0.41 9 826 1668 -26.7 -29.7 76 3.0 -27.0 288 12 260.3 260.4 258.2 261.4 0.39 10 816 1756 -25.7 -28.7 76 3.0 -26.0 289 13 262.3 262.3 259.9 263.5 0.44 11 790 1990 -26.9 -29.4 79 2.5 -27.2 293 14 263.4 263.5 260.7 264.6 0.42 12 783 2055 -26.7 -29.2 79 2.5 -26.9 293 14 264.3 264.4 261.4 265.6 0.44 13 739 2470 -28.5 -31.0 79 2.5 -28.7 299 17 266.8 266.8 263.2 267.9 0.39 14 700 2857 -30.9 -33.9 75 3.0 -31.2 305 19 268.3 268.3 264.1 269.2 0.31 15 695 2908 -30.9 -34.0 74 3.1 -31.2 305 19 268.8 268.9 264.4 269.7 0.31 16 684 3021 -30.3 -33.8 71 3.5 -30.6 305 19 270.7 270.8 265.8 271.7 0.32 17 621 3700 -34.5 -39.5 60 5.0 -34.8 307 20 273.5 273.5 267.4 274.1 0.20 18 500 5180 -44.3 -48.7 61 4.4 -44.5 310 21 279.0 279.0 270.7 279.3 0.09 19 416 6396 -52.5 -57.2 57 4.7 -52.6 302 28 283.6 283.6 273.3 283.7 0.04 20 400 6650 -52.9 -57.7 56 4.8 -53.0 300 29 286.2 286.2 274.8 286.4 0.04 21 305 8376 -59.7 -64.7 52 5.0 -59.7 300 31 299.8 299.8 281.3 299.8 0.02 22 300 8480 -59.3 -64.3 52 5.0 -59.3 300 31 301.8 301.8 282.1 301.8 0.02 23 287 8755 -60.5 -65.5 52 5.0 -60.6 305 29 303.9 303.9 283.0 304.0 0.02 24 250 9610 -61.3 -67.3 45 6.0 -61.4 305 36 314.9 314.9 287.1 315.0 0.02 25 200 11010 -59.7 -65.7 45 6.0 -59.8 305 38 338.2 338.2 293.9 338.3 0.03 26 150 12800 -59.9 -66.9 40 7.0 -60.0 300 36 366.9 366.9 300.0 367.0 0.03 27 100 15340 -60.7 -68.7 34 8.0 -60.9 280 36 410.4 410.5 306.6 410.6 0.04 28 72 17359 -65.1 -74.1 28 9.0 -65.3 266 43 441.5 441.5 310.0 441.7 0.02 29 70 17530 -65.1 -74.1 28 9.0 -65.3 265 44 445.1 445.1 310.4 445.2 0.02 30 50 19590 -63.7 -73.7 24 10.0 -64.0 255 48 493.4 493.4 314.5 493.6 0.04 31 42 20654 -65.9 -76.9 20 11.0 -66.2 513.2 513.2 315.9 513.3 0.03 TRP 287 8755 -60.5 -65.5 52 5.0 -60.6 305 29 303.9 303.9 283.0 304.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 4894.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 69.52 % Est. max temperature: -14.47 C = 5.95 F Sfc-Lift cond lev (LCL): 917.88 mb = 904.85 m = 2968.64 ft T: -25.78 C 700-500 lapse rate: 5.77 C/km ThetaE index: 0.12 C Layer 912.0- 889.0 mb Conv cond level (CCL): 629.86 mb = 3600.46 m = 11812.39 ft Mean mixing ratio: 0.35 g/kg Conv temperature: -1.48 C = 29.34 F Cap Strength: 18.33 C Lifted Index: 21.66 C Risk: None Lifted Index @300 mb: 34.81 C Lifted Index @700 mb: 14.37 C Showalter Index: 15.36 C Risk: None Total Totals Index: 33.90 C Risk: None Vertical Totals Index: 18.60 C Cross Totals Index: 15.30 C K Index: -13.40 Risk: None Sweat Index: 43.00 Risk: None Energy Index: 4.02 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.80 J/kg Max Up Vert Vel: 8.46 m/s Conv Inhibition (B-): 39739.54 J/kg Cap Strength: 21.62 C Lift Cond Lev (LCL): 881.53 mb = 1197.21 m = 3927.81 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 334 at 13 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 ---------------------------------------------------------- 0 982 489 0 0 -0.0 -0.0 | 154 13 -5.9 11.9 1 925 849 290 7 6.6 -2.4 | 184 10 0.7 9.5 2 850 1461 285 11 10.6 -2.8 | 208 10 4.7 9.1 3 700 2857 305 19 15.6 -10.9 | 264 10 9.7 1.0 4 500 5180 310 21 16.1 -13.5 | 279 10 10.2 -1.6 5 400 6650 300 29 25.1 -14.5 | 278 19 19.2 -2.6 6 300 8480 300 31 26.8 -15.5 | 280 21 21.0 -3.6 7 287 8755 305 29 23.8 -16.6 | 285 18 17.9 -4.7 8 250 9610 305 36 29.5 -20.6 | 290 25 23.6 -8.7 9 200 11010 305 38 31.1 -21.8 | 291 27 25.2 -9.9 10 150 12800 300 36 31.2 -18.0 | 284 26 25.3 -6.1 11 100 15340 280 36 35.5 -6.3 | 259 30 29.6 5.7 12 70 17530 265 44 43.8 3.8 | 247 41 37.9 15.7 13 50 19590 255 48 46.4 12.4 | 239 47 40.5 24.3 Wind Parameters Mean winds (0-6000m): 303.7 at 17.7 knts Storm direction: 333.7 at 13.3 knts Shear (0-3000m) pos: 1.7 neg: 1.9 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 114.5 deg Storm rel helicity (0-3000m) pos: 49.1 neg: -0.8 tot: 48.3 m^2/s^2 ave: 16.1 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 3.9 stream: 3.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.50 Bulk Shear: 23.90 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 ------------------------------------------------------------------------------- 500 290 4 171 11| 0.0 8.1 8.1| 15.2 -0.8 14.4 28.8 0.63| 9.5 6.0 1000 288 7 184 10| 0.0 5.7 5.7| 23.5 -0.8 22.7 22.7 0.72| 6.5 4.7 1500 288 9 194 9| 1.1 3.8 4.9| 31.9 -0.8 31.1 20.7 0.78| 5.4 4.2 2000 292 10 204 9| 1.7 2.9 4.6| 40.6 -0.8 39.7 19.9 0.82| 5.0 4.1 2500 296 12 215 8| 1.9 2.3 4.2| 47.7 -0.8 46.8 18.7 0.84| 4.6 3.8 3000 298 13 224 8| 1.7 1.9 3.6| 49.1 -0.8 48.3 16.1 0.84| 3.9 3.3 4000 301 15 238 8| 1.4 1.4 2.9| 52.0 -0.8 51.2 12.8 0.85| 3.1 2.6 5000 304 16 248 8| 1.2 1.3 2.5| 54.5 -0.8 53.7 10.7 0.80| 2.7 2.2 6000 304 18 257 9| 1.0 1.7 2.6| 54.6 -2.7 51.9 8.7 0.63| 2.8 1.8 Wrote GIF file: /home/apache/climate/data/raob//UIBB/skewt/UIBB.skewt.20251209.12.gif