UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122112.upa.cvt Date: 1200Z 21 DEC 25 Searching for UIBB... Searching the city database file for: UIBB ... Date:1200Z 21 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 47 SFC 953 489 -10.9 -13.4 82 2.5 -11.5 150 3 265.9 266.1 264.5 269.8 1.42 2 943 545 -12.3 -15.1 80 2.8 -12.9 164 8 265.3 265.5 263.7 268.7 1.25 3 925 649 -8.9 -11.9 79 3.0 -9.7 190 17 270.2 270.5 267.9 274.8 1.66 4 920 691 -8.7 -11.7 79 3.0 -9.5 193 18 270.8 271.1 268.4 275.5 1.69 5 915 733 -8.9 -11.8 79 2.9 -9.7 196 18 271.0 271.3 268.5 275.7 1.69 6 907 801 -8.7 -11.6 79 2.9 -9.5 200 19 271.9 272.2 269.1 276.8 1.73 7 876 1070 -9.5 -12.7 77 3.2 -10.4 219 23 273.8 274.1 270.2 278.4 1.64 8 850 1301 -11.5 -14.9 76 3.4 -12.3 235 27 274.1 274.3 270.0 278.1 1.41 9 705 2705 -22.9 -26.5 72 3.6 -23.4 264 29 276.6 276.7 270.2 278.4 0.62 10 700 2757 -23.1 -26.7 72 3.6 -23.6 265 29 276.9 277.0 270.4 278.7 0.61 11 570 4237 -31.5 -34.5 75 3.0 -31.8 250 33 283.8 283.9 274.0 284.9 0.36 12 500 5150 -38.9 -41.9 73 3.0 -39.1 240 35 285.6 285.6 274.7 286.2 0.19 13 450 5862 -45.1 -48.0 73 2.9 -45.2 240 39 286.6 286.6 275.0 286.9 0.11 14 400 6640 -49.9 -52.8 71 2.9 -50.0 240 44 290.1 290.1 276.9 290.4 0.07 15 304 8388 -62.5 -65.1 71 2.6 -62.5 250 44 296.1 296.1 279.6 296.2 0.02 16 300 8470 -61.5 -64.4 68 2.9 -61.5 250 46 298.6 298.7 280.8 298.7 0.02 17 250 9610 -55.1 -58.2 68 3.1 -55.2 265 56 324.1 324.2 290.1 324.4 0.06 18 238 9924 -53.9 -56.9 69 3.0 -54.0 266 55 330.6 330.6 291.9 330.8 0.07 19 200 11040 -53.7 -56.8 69 3.1 -53.8 270 52 347.7 347.7 296.2 348.1 0.09 20 150 12900 -52.7 -56.1 66 3.4 -52.8 280 52 379.3 379.3 302.2 379.9 0.13 21 142 13252 -52.5 -55.9 67 3.4 -52.7 281 52 385.6 385.6 303.2 386.3 0.14 22 100 15490 -55.9 -59.6 63 3.7 -56.1 285 54 419.7 419.8 307.7 420.4 0.12 23 70 17760 -56.7 -60.6 61 3.9 -56.9 285 46 463.1 463.1 312.1 464.0 0.16 24 64 18326 -56.9 -60.9 60 4.0 -57.2 278 44 474.7 474.7 313.1 475.6 0.16 25 50 19870 -60.9 -64.9 59 4.0 -61.1 260 40 500.0 500.0 315.0 500.7 0.12 26 41 21093 -64.7 -68.9 56 4.2 -64.9 519.7 519.7 316.3 520.3 0.09 27 34 22246 -60.9 -65.0 58 4.1 -61.2 558.3 558.3 318.6 559.5 0.18 28 31 22830 -53.7 -58.3 57 4.6 -54.5 592.7 592.8 320.5 596.1 0.47 29 30 23041 -54.7 -59.2 57 4.5 -55.4 595.5 595.7 320.6 598.7 0.44 TRP 304 8388 -62.5 -65.1 71 2.6 -62.5 250 44 296.1 296.1 279.6 296.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 5103.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 74.64 % Est. max temperature: -2.01 C = 28.39 F Sfc-Lift cond lev (LCL): 915.40 mb = 729.66 m = 2393.87 ft T: -8.88 C 700-500 lapse rate: 6.60 C/km ThetaE index: 1.08 C Layer 943.0- 925.0 mb Conv cond level (CCL): 943.16 mb = 544.28 m = 1785.67 ft Mean mixing ratio: 1.58 g/kg Conv temperature: -11.50 C = 11.30 F Cap Strength: 7.56 C Lifted Index: 8.48 C Risk: None Lifted Index @300 mb: 16.35 C Lifted Index @700 mb: 2.90 C Showalter Index: 6.49 C Risk: None Total Totals Index: 51.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.40 C Cross Totals Index: 24.00 C K Index: 8.90 Risk: None Sweat Index: 172.89 Risk: None Energy Index: 1.67 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.51 J/kg Max Up Vert Vel: 7.28 m/s Conv Inhibition (B-): 40005.98 J/kg Cap Strength: 8.35 C Lift Cond Lev (LCL): 859.28 mb = 1217.60 m = 3994.69 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 275 at 23 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 ---------------------------------------------------------- 0 953 489 150 3 -1.5 2.6 | 101 25 -24.6 4.6 1 925 649 190 17 3.0 16.7 | 133 28 -20.2 18.7 2 850 1301 235 27 22.1 15.5 | 177 17 -1.0 17.5 3 700 2757 265 29 28.9 2.5 | 232 7 5.8 4.5 4 500 5150 240 35 30.3 17.5 | 200 21 7.2 19.5 5 400 6640 240 44 38.1 22.0 | 212 28 15.0 24.0 6 304 8388 250 44 41.3 15.0 | 227 25 18.2 17.0 7 300 8470 250 46 43.2 15.7 | 229 27 20.1 17.7 8 250 9610 265 56 55.8 4.9 | 258 33 32.7 6.9 9 200 11040 270 52 52.0 -0.0 | 266 29 28.9 2.0 10 150 12900 280 52 51.2 -9.0 | 284 29 28.1 -7.1 11 100 15490 285 54 52.2 -14.0 | 292 31 29.0 -12.0 12 70 17760 285 46 44.4 -11.9 | 295 24 21.3 -9.9 13 50 19870 260 40 39.4 6.9 | 241 19 16.3 8.9 Wind Parameters Mean winds (0-6000m): 244.9 at 31.0 knts Storm direction: 274.9 at 23.2 knts Shear (0-3000m) pos: 5.3 neg: 0.5 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 118.0 deg Storm rel helicity (0-3000m) pos: 242.7 neg: -4.9 tot: 237.7 m^2/s^2 ave: 79.2 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 9.3 stream: 7.0 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.37 Bulk Shear: 70.80 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 ------------------------------------------------------------------------------- 500 198 16 133 25| 21.7 0.0 21.7|163.3 0.0 163.3 326.6 0.94| 25.8 24.4 1000 219 20 150 21| 14.1 0.0 14.1|215.2 0.0 215.2 215.2 0.90| 19.2 17.3 1500 229 23 160 18| 9.8 0.0 9.8|227.5 0.0 227.5 151.7 0.87| 14.5 12.6 2000 237 24 169 15| 7.7 0.0 7.7|237.8 0.0 237.8 118.9 0.85| 12.2 10.4 2500 243 25 176 13| 6.3 0.0 6.3|242.7 -1.3 241.4 96.6 0.82| 10.6 8.7 3000 246 26 182 12| 5.3 0.5 5.8|242.7 -4.9 237.7 79.2 0.75| 9.3 7.0 4000 248 27 191 12| 4.0 1.2 5.2|242.7 -15.6 227.1 56.8 0.63| 7.8 4.9 5000 246 29 194 14| 3.2 1.5 4.7|249.0 -25.2 223.8 44.8 0.55| 6.9 3.8 6000 245 31 198 16| 2.6 1.7 4.3|270.3 -25.2 245.1 40.8 0.55| 6.3 3.5 Wrote GIF file: /home/apache/climate/data/raob//UIBB/skewt/UIBB.skewt.20251221.12.gif