UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121212.upa.cvt Date: 1200Z 12 DEC 25 Searching for UIBB... Searching the city database file for: UIBB ... Date:1200Z 12 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 194 SFC 972 489 -10.1 -12.8 81 2.7 -10.8 250 1 265.2 265.4 264.1 269.2 1.47 2 925 793 -13.5 -16.2 80 2.7 -14.0 275 21 265.5 265.7 263.7 268.7 1.16 3 850 1431 -18.1 -20.9 79 2.8 -18.6 285 33 267.2 267.3 264.3 269.6 0.85 4 780 2067 -22.9 -25.4 80 2.5 -23.2 287 38 268.7 268.8 265.0 270.5 0.62 5 750 2355 -21.5 -23.9 81 2.4 -21.9 288 40 273.2 273.4 268.2 275.4 0.74 6 700 2861 -23.7 -26.0 81 2.3 -24.0 290 44 276.2 276.3 270.0 278.2 0.66 7 687 2998 -24.3 -26.8 80 2.5 -24.6 291 44 277.1 277.2 270.5 278.9 0.62 8 660 3290 -22.9 -25.1 82 2.2 -23.2 293 45 281.8 282.0 273.5 284.1 0.75 9 500 5280 -33.7 -36.8 74 3.1 -34.0 305 50 292.0 292.0 278.2 293.0 0.33 10 427 6370 -42.1 -45.2 72 3.1 -42.2 309 61 294.7 294.7 279.2 295.3 0.16 11 400 6810 -44.7 -48.3 67 3.6 -44.9 310 66 296.9 296.9 280.1 297.3 0.12 12 300 8690 -56.5 -61.2 55 4.7 -56.6 310 79 305.7 305.7 283.7 305.8 0.03 13 289 8927 -57.9 -62.7 55 4.7 -58.0 315 81 307.0 307.0 284.2 307.1 0.03 14 252 9781 -63.1 -68.0 51 4.9 -63.1 310 75 311.5 311.5 285.9 311.6 0.02 15 250 9830 -63.1 -68.0 51 4.9 -63.1 310 75 312.3 312.3 286.1 312.3 0.02 16 205 11041 -66.9 -71.7 51 4.8 -67.0 310 77 324.5 324.5 290.2 324.6 0.01 17 201 11160 -66.9 -71.7 51 4.8 -67.0 310 74 326.3 326.3 290.7 326.4 0.01 18 200 11190 -66.7 -71.4 51 4.7 -66.7 310 73 327.1 327.1 290.9 327.2 0.01 19 150 12940 -64.1 -68.9 52 4.8 -64.1 305 56 359.7 359.7 298.7 359.8 0.02 20 128 13913 -63.7 -68.6 51 4.9 -63.8 305 50 377.1 377.1 301.8 377.2 0.03 21 100 15410 -68.9 -73.8 49 4.9 -68.9 305 40 394.6 394.6 304.5 394.7 0.02 22 92 15909 -66.3 -71.3 49 5.0 -66.4 301 40 409.3 409.3 306.5 409.4 0.03 23 70 17550 -68.3 -73.3 49 5.0 -68.4 290 38 438.3 438.3 309.7 438.4 0.03 24 59 18576 -68.1 -73.1 49 5.0 -68.2 460.7 460.7 311.8 460.9 0.03 TRP 205 11041 -66.9 -71.7 51 4.8 -67.0 310 77 324.5 324.5 290.2 324.6 0.01 WND 289 8927 -57.9 -62.7 55 4.7 -58.0 315 81 307.0 307.0 284.2 307.1 0.03 Sounding variables and indices 1000-500 mb thick: 5086.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 79.16 % Est. max temperature: -7.54 C = 18.43 F Sfc-Lift cond lev (LCL): 930.74 mb = 755.03 m = 2477.11 ft T: -13.08 C 700-500 lapse rate: 4.13 C/km ThetaE index: 0.47 C Layer 925.0- 850.0 mb Conv cond level (CCL): 869.04 mb = 1263.83 m = 4146.37 ft Mean mixing ratio: 1.17 g/kg Conv temperature: -8.55 C = 16.61 F Cap Strength: 12.18 C Lifted Index: 18.99 C Risk: None Lifted Index @300 mb: 26.04 C Lifted Index @700 mb: 7.63 C Showalter Index: 18.49 C Risk: None Total Totals Index: 28.40 C Risk: None Vertical Totals Index: 15.60 C Cross Totals Index: 12.80 C K Index: -7.60 Risk: None Sweat Index: 116.00 Risk: None Energy Index: 4.92 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.56 J/kg Max Up Vert Vel: 3.02 m/s Conv Inhibition (B-): 28659.71 J/kg Cap Strength: 18.87 C Lift Cond Lev (LCL): 882.64 mb = 1146.72 m = 3762.16 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 327 at 32 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 ---------------------------------------------------------- 0 972 489 250 1 0.9 0.3 | 149 32 -16.6 27.2 1 925 793 275 21 20.9 -1.8 | 188 25 3.4 25.1 2 850 1431 285 33 31.9 -8.5 | 218 23 14.4 18.4 3 700 2861 290 44 41.3 -15.0 | 244 27 23.8 11.8 4 500 5280 305 50 41.0 -28.7 | 274 24 23.4 -1.8 5 400 6810 310 66 50.6 -42.4 | 295 37 33.0 -15.5 6 300 8690 310 79 60.5 -50.8 | 299 49 43.0 -23.9 7 289 8927 315 81 57.3 -57.3 | 307 50 39.8 -30.4 8 250 9830 310 75 57.5 -48.2 | 298 45 39.9 -21.3 9 205 11041 310 77 59.0 -49.5 | 299 47 41.5 -22.6 10 200 11190 310 73 55.9 -46.9 | 298 43 38.4 -20.0 11 150 12940 305 56 45.9 -32.1 | 280 29 28.4 -5.2 12 100 15410 305 40 32.8 -22.9 | 255 16 15.3 4.0 13 70 17550 290 38 35.7 -13.0 | 233 23 18.2 13.9 Wind Parameters Mean winds (0-6000m): 296.9 at 42.8 knts Storm direction: 326.9 at 32.1 knts Shear (0-3000m) pos: 7.7 neg: 0.0 tot: 7.7 10-3/s Storm rel Dir Shear (0-3000m): 102.0 deg Storm rel helicity (0-3000m) pos: 323.5 neg: 0.0 tot: 323.5 m^2/s^2 ave: 107.8 10^-3 m/s^2 rel: 0.96 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 8.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.04 Bulk Shear: 114.16 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 ------------------------------------------------------------------------------- 500 275 15 174 26| 24.5 0.0 24.5|173.2 0.0 173.2 346.3 0.95| 25.3 24.1 1000 280 22 189 23| 16.8 0.0 16.8|232.1 0.0 232.1 232.1 0.96| 17.5 16.9 1500 283 26 200 23| 12.5 0.0 12.5|256.7 0.0 256.7 171.1 0.96| 13.1 12.6 2000 284 29 209 22| 10.4 0.0 10.4|281.8 0.0 281.8 140.9 0.96| 10.8 10.4 2500 286 32 216 22| 9.0 0.0 9.0|305.6 0.0 305.6 122.2 0.96| 9.4 9.0 3000 287 34 221 22| 7.7 0.0 7.7|323.5 0.0 323.5 107.8 0.96| 8.3 8.0 4000 290 37 231 22| 6.1 0.0 6.1|359.5 0.0 359.5 89.9 0.96| 7.0 6.7 5000 294 40 240 22| 5.3 0.0 5.3|398.6 0.0 398.6 79.7 0.95| 6.3 6.0 6000 297 43 250 22| 5.3 0.0 5.3|452.1 0.0 452.1 75.3 0.91| 6.2 5.6 Wrote GIF file: /home/apache/climate/data/raob//UIBB/skewt/UIBB.skewt.20251212.12.gif