UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for UIBB... Searching the city database file for: UIBB ... Date:1200Z 8 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 240 SFC 976 489 -25.5 -28.7 75 3.2 -25.8 280 3 249.4 249.4 248.9 250.4 0.37 2 925 803 -29.3 -32.6 73 3.3 -29.5 290 23 249.3 249.4 248.7 250.1 0.27 3 915 881 -29.7 -33.0 73 3.3 -29.9 293 23 249.7 249.8 249.0 250.4 0.26 4 850 1408 -27.9 -31.0 75 3.1 -28.2 315 25 256.9 257.0 255.4 257.9 0.34 5 842 1476 -27.7 -30.7 75 3.0 -28.0 315 26 257.8 257.9 256.1 258.8 0.35 6 830 1579 -28.1 -31.1 75 3.0 -28.3 314 27 258.5 258.5 256.6 259.4 0.34 7 822 1649 -27.7 -30.7 75 3.0 -28.0 314 28 259.6 259.7 257.6 260.6 0.36 8 809 1763 -27.9 -30.9 75 3.0 -28.2 314 29 260.6 260.6 258.3 261.6 0.36 9 801 1835 -27.7 -30.6 76 2.9 -28.0 313 30 261.5 261.6 259.2 262.6 0.37 10 708 2713 -32.7 -35.1 79 2.4 -32.9 310 39 265.4 265.5 261.9 266.2 0.27 11 700 2793 -31.9 -34.4 78 2.5 -32.1 310 40 267.2 267.2 263.2 268.0 0.30 12 690 2895 -31.3 -33.8 79 2.5 -31.5 310 41 268.9 269.0 264.6 269.9 0.32 13 500 5110 -44.9 -48.2 69 3.3 -45.0 310 54 278.3 278.3 270.3 278.6 0.10 14 451 5796 -49.1 -52.6 67 3.5 -49.2 308 54 281.4 281.4 272.1 281.6 0.06 15 400 6580 -52.3 -55.8 66 3.5 -52.4 305 54 287.0 287.0 275.2 287.2 0.05 16 382 6877 -54.3 -58.0 64 3.7 -54.4 304 53 288.2 288.2 275.8 288.3 0.04 17 340 7622 -56.5 -60.0 65 3.5 -56.5 300 52 295.0 295.0 279.1 295.1 0.03 18 300 8420 -55.1 -59.0 62 3.9 -55.2 300 56 307.7 307.7 284.5 307.8 0.04 19 250 9580 -55.5 -59.6 60 4.1 -55.6 300 48 323.6 323.6 289.9 323.8 0.05 20 223 10306 -56.3 -60.7 58 4.4 -56.4 295 47 333.1 333.1 292.6 333.3 0.05 21 200 11000 -53.7 -58.7 54 5.0 -53.8 290 46 347.7 347.7 296.2 348.0 0.07 22 193 11228 -52.7 -57.7 55 5.0 -52.9 291 46 352.9 352.9 297.3 353.2 0.08 23 150 12840 -54.3 -60.3 48 6.0 -54.5 295 42 376.5 376.5 301.8 376.9 0.08 24 100 15430 -55.9 -63.9 36 8.0 -56.2 275 44 419.7 419.7 307.7 420.1 0.07 25 70 17680 -58.9 -68.9 26 10.0 -59.3 275 42 458.4 458.4 311.7 458.7 0.05 26 66 18048 -59.9 -69.9 26 10.0 -60.2 464.0 464.0 312.1 464.3 0.05 TRP 340 7622 -56.5 -60.0 65 3.5 -56.5 300 52 295.0 295.0 279.1 295.1 0.03 WND Sounding variables and indices 1000-500 mb thick: 4870.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 74.91 % Est. max temperature: -15.91 C = 3.36 F Sfc-Lift cond lev (LCL): 925.10 mb = 802.37 m = 2632.40 ft T: -29.29 C 700-500 lapse rate: 5.61 C/km ThetaE index: 0.29 C Layer 925.0- 915.0 mb Conv cond level (CCL): 624.69 mb = 3578.64 m = 11740.82 ft Mean mixing ratio: 0.30 g/kg Conv temperature: -3.15 C = 26.34 F Cap Strength: 16.14 C Lifted Index: 22.23 C Risk: None Lifted Index @300 mb: 40.04 C Lifted Index @700 mb: 14.63 C Showalter Index: 16.78 C Risk: None Total Totals Index: 30.90 C Risk: None Vertical Totals Index: 17.00 C Cross Totals Index: 13.90 C K Index: -16.50 Risk: None Sweat Index: 104.00 Risk: None Energy Index: 4.41 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.06 J/kg Max Up Vert Vel: 5.49 m/s Conv Inhibition (B-): 36887.96 J/kg Cap Strength: 22.04 C Lift Cond Lev (LCL): 876.77 mb = 1186.02 m = 3891.09 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 339 at 31 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 ---------------------------------------------------------- 0 976 489 280 3 3.0 -0.5 | 164 29 -8.2 28.3 1 925 803 290 23 21.6 -7.9 | 207 23 10.5 20.9 2 850 1408 315 25 17.7 -17.7 | 210 13 6.5 11.1 3 700 2793 310 40 30.6 -25.7 | 261 20 19.5 3.1 4 500 5110 310 54 41.4 -34.7 | 281 31 30.2 -5.9 5 400 6580 305 54 44.2 -31.0 | 274 33 33.1 -2.2 6 340 7622 300 52 45.0 -26.0 | 265 34 33.9 2.8 7 300 8420 300 56 48.5 -28.0 | 269 37 37.3 0.8 8 250 9580 300 48 41.6 -24.0 | 261 31 30.4 4.8 9 200 11000 290 46 43.2 -15.7 | 248 35 32.1 13.0 10 150 12840 295 42 38.1 -17.7 | 248 29 26.9 11.0 11 100 15430 275 44 43.8 -3.8 | 233 41 32.7 24.9 12 70 17680 275 42 41.8 -3.7 | 231 40 30.7 25.1 Wind Parameters Mean winds (0-6000m): 308.8 at 41.1 knts Storm direction: 338.8 at 30.9 knts Shear (0-3000m) pos: 4.0 neg: 3.2 tot: 7.2 10-3/s Storm rel Dir Shear (0-3000m): 105.3 deg Storm rel helicity (0-3000m) pos: 203.4 neg: -0.1 tot: 203.2 m^2/s^2 ave: 67.7 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 6.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.17 Bulk Shear: 90.07 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 ------------------------------------------------------------------------------- 500 291 16 190 23| 21.4 0.0 21.4|133.6 0.0 133.6 267.2 0.87| 23.6 20.5 1000 301 20 198 19| 12.1 0.0 12.1|139.6 -0.1 139.5 139.5 0.69| 16.0 11.0 1500 306 23 205 17| 8.0 1.9 9.9|158.1 -0.1 158.0 105.3 0.73| 12.5 9.2 2000 308 25 214 16| 6.0 2.8 8.9|176.2 -0.1 176.1 88.1 0.74| 10.8 8.0 2500 308 28 224 16| 4.8 3.2 8.0|191.5 -0.1 191.3 76.5 0.73| 9.6 7.0 3000 309 30 232 16| 4.0 3.2 7.2|203.4 -0.1 203.2 67.7 0.73| 8.5 6.2 4000 309 35 246 17| 3.0 3.2 6.2|227.1 -0.1 227.0 56.8 0.72| 7.2 5.1 5000 309 38 257 19| 2.4 2.9 5.3|241.4 -8.3 233.1 46.6 0.67| 6.2 4.2 6000 309 41 262 21| 2.0 2.5 4.5|241.4 -31.9 209.5 34.9 0.60| 5.5 3.3 Wrote GIF file: /home/apache/climate/data/raob//UIBB/skewt/UIBB.skewt.20251208.12.gif