UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122700.upa.cvt Date: 0000Z 27 DEC 25 Searching for UIBB... Searching the city database file for: UIBB ... Date:0000Z 27 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 15 SFC 950 489 -9.3 -13.4 72 4.1 -10.3 230 1 267.7 268.0 265.8 271.7 1.43 2 926 616 -7.5 -9.9 83 2.4 -8.2 273 24 271.6 271.9 269.2 276.9 1.94 3 925 621 -7.7 -10.0 84 2.3 -8.4 275 25 271.4 271.8 269.1 276.8 1.93 4 922 646 -7.7 -9.9 84 2.2 -8.4 275 26 271.7 272.0 269.4 277.1 1.95 5 886 957 -6.7 -8.9 84 2.2 -7.4 280 38 275.8 276.2 272.3 282.0 2.20 6 850 1279 -9.1 -15.1 62 6.0 -10.6 285 50 276.6 276.8 271.5 280.6 1.39 7 742 2319 -15.3 -32.3 22 17.0 -17.7 275 54 280.8 280.9 272.2 281.9 0.34 8 700 2758 -17.5 -28.5 38 11.0 -19.2 270 56 283.1 283.2 273.9 284.7 0.52 9 623 3619 -22.3 -27.0 66 4.7 -23.0 254 53 287.2 287.3 276.3 289.3 0.67 10 570 4264 -27.7 -31.3 71 3.6 -28.1 243 50 288.3 288.3 276.6 289.8 0.49 11 500 5190 -34.5 -38.0 70 3.5 -34.8 225 46 291.0 291.0 277.6 291.9 0.29 12 480 5474 -36.7 -40.0 71 3.3 -37.0 226 48 291.7 291.7 277.9 292.5 0.24 13 400 6710 -47.5 -51.3 65 3.8 -47.6 230 58 293.3 293.3 278.4 293.6 0.08 14 370 7221 -52.1 -55.9 63 3.8 -52.2 231 60 293.8 293.8 278.6 293.9 0.05 15 302 8518 -58.9 -63.1 58 4.2 -58.9 235 66 301.7 301.7 282.1 301.8 0.03 16 300 8560 -58.7 -62.9 58 4.2 -58.7 235 66 302.6 302.6 282.5 302.7 0.03 17 290 8772 -58.7 -62.9 58 4.2 -58.7 237 66 305.5 305.6 283.7 305.7 0.03 18 255 9569 -63.9 -68.1 56 4.2 -63.9 245 68 309.3 309.3 285.1 309.4 0.02 19 250 9690 -62.5 -66.7 57 4.2 -62.6 250 68 313.1 313.2 286.5 313.2 0.02 20 244 9840 -62.4 -66.5 57 4.2 -62.4 250 69 315.5 315.5 287.3 315.6 0.02 21 200 11070 -61.3 -65.3 59 4.0 -61.3 265 56 335.7 335.7 293.3 335.8 0.03 22 189 11423 -59.5 -63.8 57 4.3 -59.6 261 55 344.1 344.1 295.3 344.2 0.04 23 158 12538 -62.7 -67.1 55 4.4 -62.8 249 53 356.7 356.7 298.1 356.9 0.03 24 150 12860 -61.7 -66.1 56 4.4 -61.8 245 52 363.8 363.8 299.5 363.9 0.04 25 142 13202 -58.3 -63.0 55 4.7 -58.4 247 52 375.5 375.5 301.5 375.7 0.06 26 100 15390 -61.9 -66.9 51 5.0 -62.0 260 50 408.1 408.1 306.3 408.4 0.05 27 91 15972 -62.9 -67.9 51 5.0 -63.0 257 51 417.3 417.3 307.4 417.5 0.05 28 80 16775 -57.3 -63.3 46 6.0 -57.6 254 51 444.5 444.5 310.4 445.0 0.10 29 70 17620 -56.7 -62.7 47 6.0 -57.1 250 52 463.1 463.1 312.1 463.8 0.12 30 58 18802 -59.5 -66.5 40 7.0 -59.8 250 67 482.4 482.4 313.7 482.9 0.09 31 50 19740 -54.7 -62.7 37 8.0 -55.4 250 79 514.6 514.6 316.0 515.6 0.17 32 35 22055 -48.5 -58.5 30 10.0 -50.3 586.0 586.2 320.1 588.9 0.41 TRP 255 9569 -63.9 -68.1 56 4.2 -63.9 245 68 309.3 309.3 285.1 309.4 0.02 WND 244 9840 -62.4 -66.5 57 4.2 -62.4 250 69 315.5 315.5 287.3 315.6 0.02 Sounding variables and indices 1000-500 mb thick: 5175.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 58.48 % Est. max temperature: 1.30 C = 34.33 F Sfc-Lift cond lev (LCL): 889.50 mb = 925.89 m = 3037.66 ft T: -6.80 C 700-500 lapse rate: 6.99 C/km ThetaE index: 1.38 C Layer 850.0- 742.0 mb Conv cond level (CCL): 792.20 mb = 1818.04 m = 5964.63 ft Mean mixing ratio: 1.87 g/kg Conv temperature: 1.59 C = 34.87 F Cap Strength: 8.78 C Lifted Index: 10.30 C Risk: None Lifted Index @300 mb: 16.81 C Lifted Index @700 mb: 5.98 C Showalter Index: 8.96 C Risk: None Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.40 C Cross Totals Index: 19.40 C K Index: -0.70 Risk: None Sweat Index: 146.00 Risk: None Energy Index: 2.37 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.74 J/kg Max Up Vert Vel: 6.44 m/s Conv Inhibition (B-): 39969.55 J/kg Cap Strength: 10.16 C Lift Cond Lev (LCL): 856.52 mb = 1219.61 m = 4001.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 284 at 37 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 ---------------------------------------------------------- 0 950 489 230 1 0.8 0.6 | 105 36 -34.8 9.6 1 925 621 275 25 24.9 -2.2 | 123 13 -10.6 6.8 2 850 1279 285 50 48.3 -12.9 | 287 13 12.7 -3.9 3 700 2758 270 56 56.0 -0.0 | 246 22 20.4 9.0 4 500 5190 225 46 32.5 32.5 | 176 42 -3.0 41.5 5 400 6710 230 58 44.4 37.3 | 191 47 8.9 46.3 6 300 8560 235 66 54.1 37.9 | 202 50 18.5 46.9 7 255 9569 245 68 61.6 28.7 | 215 46 26.1 37.7 8 250 9690 250 68 63.9 23.3 | 221 43 28.3 32.3 9 244 9840 250 69 64.8 23.6 | 222 44 29.3 32.6 10 200 11070 265 56 55.8 4.9 | 236 25 20.2 13.9 11 150 12860 245 52 47.1 22.0 | 200 33 11.6 31.0 12 100 15390 260 50 49.2 8.7 | 218 22 13.7 17.7 13 70 17620 250 52 48.9 17.8 | 206 30 13.3 26.8 14 50 19740 250 79 74.2 27.0 | 227 53 38.7 36.0 Wind Parameters Mean winds (0-6000m): 254.2 at 48.9 knts Storm direction: 284.2 at 36.7 knts Shear (0-3000m) pos: 8.6 neg: 4.1 tot: 12.7 10-3/s Storm rel Dir Shear (0-3000m): 111.3 deg Storm rel helicity (0-3000m) pos: 80.8 neg: -133.9 tot: -53.1 m^2/s^2 ave: -17.7 10^-3 m/s^2 rel: -0.01 Storm rel vorticity (0-3000m) horiz: 13.7 stream: -0.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.20 Bulk Shear: 101.56 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 ------------------------------------------------------------------------------- 500 277 25 118 12| 39.5 0.0 39.5| 71.2 0.0 71.2 142.4 0.45| 41.5 18.5 1000 282 35 148 2| 25.9 0.0 25.9| 80.8 -6.5 74.3 74.3 0.40| 27.8 11.2 1500 281 40 254 4| 17.2 1.7 19.0| 80.8 -23.7 57.1 38.1 0.30| 20.2 6.0 2000 279 44 256 8| 12.9 2.6 15.5| 80.8 -43.0 37.8 18.9 0.21| 16.5 3.5 2500 277 46 252 11| 10.3 3.4 13.7| 80.8 -79.2 1.6 0.6 0.11| 14.7 1.5 3000 274 47 245 13| 8.6 4.1 12.7| 80.8-133.9 -53.1 -17.7 -0.01| 13.7 -0.1 4000 268 48 229 17| 6.5 4.9 11.4| 80.8-252.4-171.6 -42.9 -0.16| 12.5 -2.0 5000 261 48 216 21| 5.2 4.9 10.0|106.3-346.2-240.0 -48.0 -0.20| 11.4 -2.3 6000 254 49 207 25| 4.9 4.1 9.0|195.8-346.2-150.5 -25.1 -0.12| 10.2 -1.3 Wrote GIF file: /home/apache/climate/data/raob//UIBB/skewt/UIBB.skewt.20251227.00.gif