UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122000.upa.cvt Date: 0000Z 20 DEC 25 Searching for UIBB... Searching the city database file for: UIBB ... Date:0000Z 20 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 219 SFC 974 489 -18.7 -22.1 75 3.4 -19.2 160 3 256.4 256.5 255.6 258.2 0.67 2 964 551 -19.9 -23.5 73 3.6 -20.4 175 6 255.9 256.0 255.1 257.5 0.60 3 929 776 -16.3 -19.3 78 3.0 -16.8 229 16 262.3 262.5 260.8 264.8 0.89 4 925 803 -16.7 -19.5 79 2.8 -17.2 235 17 262.2 262.4 260.7 264.7 0.88 5 850 1431 -21.7 -24.9 75 3.2 -22.1 245 17 263.4 263.5 261.0 265.1 0.60 6 797 1902 -25.1 -28.4 74 3.3 -25.5 250 18 264.7 264.8 261.7 266.0 0.46 7 777 2086 -26.1 -29.2 75 3.1 -26.4 252 18 265.5 265.6 262.3 266.8 0.44 8 770 2152 -25.7 -28.8 75 3.1 -26.1 253 18 266.7 266.7 263.2 268.0 0.46 9 760 2247 -25.9 -28.9 76 3.0 -26.2 254 18 267.4 267.5 263.8 268.8 0.46 10 746 2381 -25.5 -28.5 76 3.0 -25.8 255 18 269.3 269.4 265.1 270.7 0.49 11 700 2840 -28.9 -32.2 73 3.3 -29.2 260 19 270.5 270.5 265.7 271.6 0.37 12 665 3204 -32.1 -34.9 76 2.8 -32.3 265 21 270.9 270.9 265.8 271.8 0.30 13 660 3258 -30.3 -33.2 76 2.9 -30.6 266 22 273.5 273.6 267.7 274.6 0.35 14 511 5033 -41.9 -46.8 59 4.9 -42.1 293 34 280.2 280.2 271.5 280.6 0.11 15 500 5180 -41.9 -46.9 58 5.0 -42.1 295 35 282.0 282.0 272.5 282.3 0.11 16 400 6660 -50.1 -57.1 43 7.0 -50.3 305 54 289.9 289.9 276.7 290.0 0.04 17 358 7379 -53.9 -60.9 42 7.0 -54.0 305 64 294.1 294.1 278.7 294.2 0.03 18 332 7860 -56.5 -63.5 41 7.0 -56.6 305 60 297.0 297.0 280.0 297.1 0.02 19 300 8500 -58.5 -66.5 35 8.0 -58.6 305 54 302.9 302.9 282.5 302.9 0.02 20 296 8585 -59.1 -67.1 35 8.0 -59.2 305 52 303.2 303.2 282.7 303.3 0.02 21 254 9550 -60.7 -68.7 34 8.0 -60.8 300 45 314.4 314.4 286.9 314.5 0.01 22 250 9650 -59.9 -67.9 34 8.0 -60.0 300 44 317.0 317.0 287.8 317.1 0.02 23 200 11050 -57.3 -65.3 36 8.0 -57.5 300 38 342.0 342.0 294.8 342.1 0.03 24 150 12880 -53.5 -63.5 28 10.0 -53.8 295 35 377.9 377.9 301.9 378.1 0.05 25 137 13463 -52.5 -63.5 25 11.0 -52.9 291 34 389.6 389.6 303.8 389.8 0.05 26 100 15490 -53.3 -67.3 17 14.0 -53.8 275 31 424.7 424.8 308.3 425.0 0.04 27 70 17790 -52.9 -68.9 13 16.0 -53.7 270 35 471.2 471.2 312.8 471.5 0.05 28 58 18997 -55.7 -72.7 10 17.0 -56.5 262 28 490.9 490.9 314.3 491.1 0.04 29 50 19950 -52.3 -70.3 10 18.0 -53.5 255 23 520.2 520.2 316.4 520.6 0.06 30 43 20917 -55.5 -73.5 9 18.0 -56.5 254 25 535.3 535.3 317.2 535.6 0.04 31 30 23240 -49.9 -70.9 7 21.0 -52.3 250 29 608.6 608.6 321.0 609.3 0.09 32 29 23462 -49.3 -70.3 7 21.0 -52.0 616.2 616.2 321.3 617.0 0.10 33 26 24176 -50.5 -71.5 7 21.0 -53.1 632.3 632.4 322.0 633.1 0.09 TRP 296 8585 -59.1 -67.1 35 8.0 -59.2 305 52 303.2 303.2 282.7 303.3 0.02 WND 358 7379 -53.9 -60.9 42 7.0 -54.0 305 64 294.1 294.1 278.7 294.2 0.03 Sounding variables and indices 1000-500 mb thick: 4961.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 71.68 % Est. max temperature: -11.10 C = 12.02 F Sfc-Lift cond lev (LCL): 921.02 mb = 834.99 m = 2739.45 ft T: -16.95 C 700-500 lapse rate: 5.56 C/km ThetaE index: 0.64 C Layer 964.0- 929.0 mb Conv cond level (CCL): 839.65 mb = 1520.65 m = 4988.96 ft Mean mixing ratio: 0.76 g/kg Conv temperature: -11.47 C = 11.35 F Cap Strength: 14.39 C Lifted Index: 15.74 C Risk: None Lifted Index @300 mb: 28.32 C Lifted Index @700 mb: 7.50 C Showalter Index: 13.92 C Risk: None Total Totals Index: 37.20 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: 17.00 C K Index: -8.00 Risk: None Sweat Index: 189.76 Risk: None Energy Index: 3.61 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.55 J/kg Max Up Vert Vel: 7.15 m/s Conv Inhibition (B-): 53927.77 J/kg Cap Strength: 14.68 C Lift Cond Lev (LCL): 878.47 mb = 1186.36 m = 3892.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 311 at 20 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 ---------------------------------------------------------- 0 974 489 160 3 -1.0 2.8 | 135 23 -16.1 16.0 1 925 803 235 17 13.9 9.8 | 177 23 -1.1 23.0 2 850 1431 245 17 15.4 7.2 | 181 20 0.4 20.4 3 700 2840 260 19 18.7 3.3 | 193 17 3.7 16.5 4 500 5180 295 35 31.7 -14.8 | 275 17 16.7 -1.6 5 400 6660 305 54 44.2 -31.0 | 301 34 29.2 -17.8 6 358 7379 305 64 52.4 -36.7 | 302 44 37.4 -23.5 7 300 8500 305 54 44.2 -31.0 | 301 34 29.2 -17.8 8 296 8585 305 52 42.6 -29.8 | 301 32 27.6 -16.6 9 250 9650 300 44 38.1 -22.0 | 291 25 23.1 -8.8 10 200 11050 300 38 32.9 -19.0 | 288 19 17.9 -5.8 11 150 12880 295 35 31.7 -14.8 | 275 17 16.7 -1.6 12 100 15490 275 31 30.9 -2.7 | 236 19 15.8 10.5 13 70 17790 270 35 35.0 -0.0 | 237 24 20.0 13.2 14 50 19950 255 23 22.2 6.0 | 201 20 7.2 19.2 15 30 23240 250 29 27.3 9.9 | 208 26 12.2 23.1 Wind Parameters Mean winds (0-6000m): 281.3 at 26.7 knts Storm direction: 311.3 at 20.0 knts Shear (0-3000m) pos: 4.2 neg: 0.0 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 77.3 deg Storm rel helicity (0-3000m) pos: 167.9 neg: 0.0 tot: 167.9 m^2/s^2 ave: 56.0 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 5.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.43 Bulk Shear: 59.02 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 ------------------------------------------------------------------------------- 500 231 12 165 22| 17.1 0.0 17.1|119.6 0.0 119.6 239.2 0.92| 20.7 19.1 1000 237 14 172 21| 8.8 0.0 8.8|126.0 0.0 126.0 126.0 0.88| 11.5 10.2 1500 241 15 176 21| 6.2 0.0 6.2|132.9 0.0 132.9 88.6 0.87| 8.3 7.2 2000 245 16 179 20| 4.9 0.0 4.9|139.4 0.0 139.4 69.7 0.86| 6.7 5.8 2500 248 17 181 19| 4.3 0.0 4.3|149.2 0.0 149.2 59.7 0.86| 5.9 5.1 3000 252 17 185 19| 4.2 0.0 4.2|167.9 0.0 167.9 56.0 0.88| 5.7 5.0 4000 261 20 196 17| 4.1 0.0 4.1|207.4 0.0 207.4 51.9 0.90| 5.5 5.0 5000 272 23 212 15| 4.2 0.0 4.2|250.3 0.0 250.3 50.1 0.89| 5.6 5.0 6000 281 27 234 14| 4.7 0.0 4.7|300.0 0.0 300.0 50.0 0.81| 5.9 4.8 Wrote GIF file: /home/apache/climate/data/raob//UIBB/skewt/UIBB.skewt.20251220.00.gif