UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122912.upa.cvt Date: 1200Z 29 DEC 25 Searching for UIBB... Searching the city database file for: UIBB ... Date:1200Z 29 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 284 SFC 982 489 -26.3 -29.2 76 2.9 -26.5 0 0 248.1 248.2 247.8 249.1 0.35 2 979 507 -22.9 -25.8 77 2.9 -23.2 354 0 251.8 251.8 251.3 253.1 0.48 3 951 685 -19.9 -22.4 80 2.5 -20.3 293 4 256.9 257.0 256.1 258.7 0.67 4 925 857 -21.3 -23.8 80 2.5 -21.6 235 7 257.5 257.6 256.4 259.2 0.60 5 901 1051 -21.9 -24.4 80 2.5 -22.2 243 6 258.9 258.9 257.5 260.5 0.59 6 883 1200 -19.7 -22.3 80 2.6 -20.1 249 5 262.6 262.7 260.7 264.7 0.72 7 875 1268 -20.1 -22.6 80 2.5 -20.5 251 4 262.9 263.0 260.9 264.9 0.71 8 852 1465 -18.9 -21.4 81 2.5 -19.3 259 3 266.2 266.3 263.5 268.5 0.81 9 850 1483 -18.9 -21.5 80 2.6 -19.3 260 3 266.3 266.5 263.7 268.6 0.81 10 834 1625 -18.7 -22.3 73 3.6 -19.3 268 5 268.0 268.1 264.8 270.2 0.77 11 764 2274 -21.7 -31.7 40 10.0 -22.8 307 15 271.6 271.6 266.4 272.6 0.35 12 754 2371 -20.9 -31.9 37 11.0 -22.2 312 17 273.5 273.5 267.7 274.5 0.35 13 720 2712 -21.1 -36.1 25 15.0 -22.7 333 22 276.9 276.9 269.7 277.6 0.24 14 700 2919 -22.3 -40.3 18 18.0 -23.9 345 25 277.8 277.8 270.1 278.3 0.16 15 686 3067 -22.9 -42.9 14 20.0 -24.6 346 26 278.7 278.8 270.6 279.1 0.13 16 500 5310 -37.7 -49.7 27 12.0 -38.2 355 36 287.1 287.1 275.3 287.4 0.08 17 485 5520 -38.9 -50.9 27 12.0 -39.4 354 37 288.1 288.1 275.8 288.4 0.07 18 400 6820 -48.7 -59.7 27 11.0 -48.9 345 46 291.7 291.7 277.6 291.8 0.03 19 343 7812 -56.7 -67.7 24 11.0 -56.8 342 47 293.9 293.9 278.6 294.0 0.01 20 300 8650 -62.3 -73.3 22 11.0 -62.4 340 48 297.5 297.5 280.3 297.5 0.01 21 293 8796 -62.9 -72.9 25 10.0 -63.0 340 50 298.7 298.7 280.8 298.7 0.01 22 250 9780 -59.7 -69.7 26 10.0 -59.8 330 50 317.3 317.3 287.9 317.4 0.01 23 206 10993 -56.7 -66.7 27 10.0 -56.9 330 47 340.1 340.1 294.4 340.2 0.02 24 200 11180 -57.1 -67.1 27 10.0 -57.3 330 46 342.3 342.3 294.9 342.4 0.02 25 183 11747 -53.9 -64.9 25 11.0 -54.2 330 47 356.4 356.4 298.0 356.5 0.03 26 150 13020 -55.3 -67.3 21 12.0 -55.6 330 50 374.8 374.8 301.4 374.9 0.03 27 100 15590 -58.1 -73.1 13 15.0 -58.5 315 44 415.5 415.5 307.2 415.6 0.02 28 70 17840 -58.1 -74.1 11 16.0 -58.6 300 50 460.1 460.1 311.8 460.2 0.02 29 63 18504 -56.3 -73.3 10 17.0 -56.9 298 49 478.1 478.1 313.3 478.3 0.03 30 50 19960 -58.5 -75.5 9 17.0 -59.1 295 48 505.6 505.6 315.4 505.8 0.03 31 48 20216 -58.9 -75.9 9 17.0 -59.5 510.6 510.6 315.7 510.8 0.03 32 37 21863 -55.5 -73.5 9 18.0 -56.6 558.8 558.8 318.6 559.1 0.05 TRP 293 8796 -62.9 -72.9 25 10.0 -63.0 340 50 298.7 298.7 280.8 298.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5026.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 40.59 % Est. max temperature: -6.43 C = 20.42 F Sfc-Lift cond lev (LCL): 935.39 mb = 787.84 m = 2584.73 ft T: -20.74 C 700-500 lapse rate: 6.44 C/km ThetaE index: 0.00 C Layer 982.0- 0.1 mb Conv cond level (CCL): 982.00 mb = 489.00 m = 1604.31 ft Mean mixing ratio: 0.61 g/kg Conv temperature: -23.09 C = -9.56 F Cap Strength: 18.24 C Lifted Index: 23.22 C Risk: None Lifted Index @300 mb: 27.39 C Lifted Index @700 mb: 17.52 C Showalter Index: 15.28 C Risk: None Total Totals Index: 35.00 C Risk: None Vertical Totals Index: 18.80 C Cross Totals Index: 16.20 C K Index: -20.70 Risk: None Sweat Index: 42.00 Risk: None Energy Index: 3.98 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.84 J/kg Max Up Vert Vel: 7.05 m/s Conv Inhibition (B-): 44919.31 J/kg Cap Strength: 23.14 C Lift Cond Lev (LCL): 892.90 mb = 1117.50 m = 3666.30 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 17 at 18 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 | 197 18 5.4 17.3 1 925 857 235 7 5.7 4.0 | 208 24 11.2 21.3 2 850 1483 260 3 3.0 0.5 | 205 20 8.4 17.8 3 700 2919 345 25 6.5 -24.1 | 300 14 11.9 -6.9 4 500 5310 355 36 3.1 -35.9 | 335 20 8.6 -18.6 5 400 6820 345 46 11.9 -44.4 | 327 32 17.3 -27.2 6 300 8650 340 48 16.4 -45.1 | 322 35 21.9 -27.8 7 293 8796 340 50 17.1 -47.0 | 323 37 22.5 -29.7 8 250 9780 330 50 25.0 -43.3 | 311 40 30.4 -26.0 9 200 11180 330 46 23.0 -39.8 | 308 36 28.4 -22.6 10 150 13020 330 50 25.0 -43.3 | 311 40 30.4 -26.0 11 100 15590 315 44 31.1 -31.1 | 291 39 36.6 -13.8 12 70 17840 300 50 43.3 -25.0 | 279 49 48.7 -7.7 13 50 19960 295 48 43.5 -20.3 | 274 49 48.9 -3.0 Wind Parameters Mean winds (0-6000m): 347.5 at 24.1 knts Storm direction: 17.5 at 18.1 knts Shear (0-3000m) pos: 5.1 neg: 1.1 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 112.7 deg Storm rel helicity (0-3000m) pos: 173.1 neg: -12.1 tot: 161.0 m^2/s^2 ave: 53.7 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 5.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.28 Bulk Shear: 89.24 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 ------------------------------------------------------------------------------- 500 236 4 204 22| 0.0 6.3 6.3| 19.9 -7.2 12.7 25.4 0.27| 11.4 3.1 1000 240 4 205 22| 1.8 3.2 4.9| 19.9 -12.1 7.9 7.9 0.15| 7.5 1.1 1500 258 5 210 21| 2.8 2.1 4.9| 65.3 -12.1 53.2 35.5 0.45| 7.9 3.6 2000 291 7 220 19| 4.7 1.6 6.3|118.2 -12.1 106.1 53.0 0.62| 8.7 5.4 2500 325 10 232 14| 5.7 1.3 6.9|164.6 -12.1 152.5 61.0 0.70| 9.4 6.6 3000 333 13 242 13| 5.1 1.1 6.2|173.1 -12.1 161.0 53.7 0.71| 8.3 5.9 4000 341 17 264 11| 4.5 0.8 5.3|191.5 -12.1 179.4 44.9 0.72| 6.9 5.0 5000 346 21 286 11| 4.1 0.6 4.8|208.0 -13.4 194.6 38.9 0.71| 6.1 4.3 6000 347 24 301 12| 3.4 1.0 4.4|208.0 -29.3 178.7 29.8 0.59| 5.8 3.4 Wrote GIF file: /home/apache/climate/data/raob//UIBB/skewt/UIBB.skewt.20251229.12.gif