UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122012.upa.cvt Date: 1200Z 20 DEC 25 Searching for UIBB... Searching the city database file for: UIBB ... Date:1200Z 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 161 SFC 967 489 -16.3 -19.1 79 2.8 -16.8 150 7 259.3 259.5 258.5 261.7 0.87 2 965 501 -15.9 -19.3 75 3.4 -16.5 154 8 259.9 260.0 258.9 262.2 0.86 3 949 599 -17.5 -21.0 74 3.5 -18.0 184 13 259.5 259.6 258.3 261.6 0.75 4 947 611 -17.3 -20.8 74 3.5 -17.9 188 14 259.9 260.0 258.6 262.0 0.77 5 941 649 -17.5 -20.9 75 3.4 -18.0 199 16 260.1 260.3 258.9 262.2 0.77 6 925 750 -14.9 -18.0 77 3.1 -15.5 230 21 264.1 264.2 262.4 266.8 1.00 7 916 824 -13.1 -15.6 81 2.5 -13.6 232 21 266.7 266.9 264.7 270.1 1.24 8 850 1388 -16.5 -19.7 76 3.2 -17.1 245 21 268.9 269.0 265.7 271.5 0.94 9 700 2817 -26.3 -29.5 74 3.2 -26.6 275 36 273.4 273.4 267.9 274.8 0.47 10 630 3573 -29.5 -33.0 72 3.5 -29.8 278 39 278.1 278.1 270.7 279.2 0.38 11 615 3745 -28.9 -32.5 71 3.6 -29.3 279 39 280.7 280.8 272.3 281.9 0.41 12 500 5200 -36.7 -39.9 72 3.2 -36.9 285 44 288.3 288.3 276.2 289.1 0.24 13 400 6720 -45.9 -49.2 69 3.3 -46.0 295 69 295.3 295.4 279.4 295.7 0.11 14 342 7747 -52.1 -55.3 68 3.2 -52.2 295 81 300.4 300.5 281.6 300.7 0.06 15 300 8580 -59.3 -62.8 64 3.5 -59.3 295 91 301.8 301.8 282.1 301.9 0.03 16 282 8966 -61.1 -64.6 63 3.5 -61.1 300 95 304.6 304.6 283.2 304.7 0.02 17 263 9398 -63.1 -66.6 62 3.5 -63.1 295 89 307.8 307.8 284.5 307.8 0.02 18 262 9421 -63.1 -66.6 62 3.5 -63.1 295 89 308.1 308.1 284.6 308.2 0.02 19 250 9710 -62.5 -65.9 63 3.4 -62.6 295 85 313.1 313.2 286.5 313.2 0.02 20 200 11100 -59.3 -63.0 62 3.7 -59.4 295 52 338.9 338.9 294.1 339.0 0.04 21 160 12509 -55.9 -59.8 62 3.9 -56.0 287 46 366.9 366.9 300.1 367.3 0.08 22 150 12920 -56.1 -60.3 59 4.2 -56.2 285 44 373.4 373.4 301.2 373.8 0.08 23 100 15500 -55.3 -61.3 47 6.0 -55.6 285 31 420.9 420.9 307.9 421.4 0.10 24 78 17087 -53.3 -61.3 37 8.0 -53.8 264 34 456.0 456.1 311.5 456.7 0.13 25 70 17780 -54.5 -62.5 37 8.0 -55.0 255 35 467.8 467.8 312.5 468.5 0.12 26 59 18873 -55.5 -64.5 32 9.0 -56.1 260 32 489.0 489.0 314.2 489.7 0.11 27 51 19812 -51.5 -61.5 29 10.0 -52.5 264 29 519.2 519.2 316.3 520.4 0.19 28 50 19940 -52.3 -63.3 25 11.0 -53.3 265 29 520.2 520.3 316.4 521.2 0.15 29 46 20478 -53.1 -64.1 25 11.0 -54.1 261 31 530.9 530.9 317.1 531.8 0.15 30 40 21375 -54.9 -65.9 24 11.0 -55.8 254 35 548.0 548.0 318.1 548.9 0.14 31 34 22425 -49.9 -62.9 20 13.0 -51.8 246 39 587.2 587.3 320.1 588.9 0.24 32 30 23240 -51.5 -64.5 20 13.0 -53.3 240 42 604.2 604.3 320.9 605.9 0.22 33 25 24427 -50.1 -65.1 15 15.0 -52.5 640.6 640.7 322.4 642.5 0.24 TRP 263 9398 -63.1 -66.6 62 3.5 -63.1 295 89 307.8 307.8 284.5 307.8 0.02 WND 282 8966 -61.1 -64.6 63 3.5 -61.1 300 95 304.6 304.6 283.2 304.7 0.02 Sounding variables and indices 1000-500 mb thick: 5039.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 74.07 % Est. max temperature: -5.92 C = 21.34 F Sfc-Lift cond lev (LCL): 923.72 mb = 760.47 m = 2494.94 ft T: -14.65 C 700-500 lapse rate: 4.36 C/km ThetaE index: 0.65 C Layer 949.0- 947.0 mb Conv cond level (CCL): 797.85 mb = 1853.99 m = 6082.58 ft Mean mixing ratio: 1.01 g/kg Conv temperature: -5.37 C = 22.34 F Cap Strength: 12.10 C Lifted Index: 17.36 C Risk: None Lifted Index @300 mb: 24.41 C Lifted Index @700 mb: 6.40 C Showalter Index: 13.96 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: -2.70 Risk: None Sweat Index: 191.35 Risk: None Energy Index: 3.62 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.78 J/kg Max Up Vert Vel: 8.69 m/s Conv Inhibition (B-): 47971.77 J/kg Cap Strength: 17.19 C Lift Cond Lev (LCL): 873.90 mb = 1178.89 m = 3867.71 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 308 at 28 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 ---------------------------------------------------------- 0 967 489 150 7 -3.5 6.1 | 132 35 -25.7 23.1 1 925 750 230 21 16.1 13.5 | 169 31 -6.1 30.6 2 850 1388 245 21 19.0 8.9 | 173 26 -3.1 25.9 3 700 2817 275 36 35.9 -3.1 | 225 20 13.7 13.9 4 500 5200 285 44 42.5 -11.4 | 254 21 20.3 5.7 5 400 6720 295 69 62.5 -29.2 | 287 42 40.4 -12.1 6 300 8580 295 91 82.5 -38.5 | 290 64 60.3 -21.4 7 282 8966 300 95 82.3 -47.5 | 297 67 60.1 -30.4 8 263 9398 295 89 80.7 -37.6 | 289 62 58.5 -20.5 9 250 9710 295 85 77.0 -35.9 | 289 58 54.9 -18.8 10 200 11100 295 52 47.1 -22.0 | 281 25 25.0 -4.9 11 150 12920 285 44 42.5 -11.4 | 254 21 20.3 5.7 12 100 15500 285 31 29.9 -8.0 | 221 12 7.8 9.1 13 70 17780 255 35 33.8 9.1 | 204 29 11.6 26.1 14 50 19940 265 29 28.9 2.5 | 199 21 6.7 19.6 15 30 23240 240 42 36.4 21.0 | 200 41 14.2 38.1 Wind Parameters Mean winds (0-6000m): 277.6 at 37.3 knts Storm direction: 307.6 at 28.0 knts Shear (0-3000m) pos: 7.4 neg: 0.0 tot: 7.4 10-3/s Storm rel Dir Shear (0-3000m): 100.9 deg Storm rel helicity (0-3000m) pos: 357.0 neg: 0.0 tot: 357.0 m^2/s^2 ave: 119.0 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 9.2 stream: 8.2 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 0.31 Bulk Shear: 123.15 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 ------------------------------------------------------------------------------- 500 224 17 160 31| 22.2 0.0 22.2|212.0 0.0 212.0 424.0 0.90| 26.6 24.0 1000 233 19 166 29| 12.3 0.0 12.3|229.9 0.0 229.9 229.9 0.84| 15.8 13.3 1500 241 21 171 27| 10.3 0.0 10.3|272.3 0.0 272.3 181.5 0.86| 12.9 11.1 2000 249 23 178 25| 9.4 0.0 9.4|314.2 0.0 314.2 157.1 0.87| 11.6 10.2 2500 257 25 186 23| 8.4 0.0 8.4|345.7 0.0 345.7 138.3 0.89| 10.6 9.3 3000 261 27 192 22| 7.4 0.0 7.4|357.0 0.0 357.0 119.0 0.89| 9.2 8.2 4000 268 30 204 20| 6.0 0.0 6.0|380.3 0.0 380.3 95.1 0.90| 7.4 6.7 5000 273 33 215 19| 5.6 0.0 5.6|419.0 0.0 419.0 83.8 0.89| 6.8 6.0 6000 278 37 231 19| 6.1 0.0 6.1|508.5 0.0 508.5 84.7 0.83| 7.2 6.0 Wrote GIF file: /home/apache/climate/data/raob//UIBB/skewt/UIBB.skewt.20251220.12.gif