UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for UIBB... Searching the city database file for: UIBB ... Date:1200Z 7 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 172 SFC 969 489 -13.1 -15.1 85 2.0 -13.5 180 13 262.4 262.6 261.5 265.7 1.22 2 925 762 -17.9 -20.3 81 2.4 -18.3 195 13 261.0 261.1 259.7 263.3 0.82 3 909 892 -19.1 -21.7 80 2.6 -19.5 202 15 261.1 261.2 259.6 263.1 0.74 4 882 1117 -19.7 -22.2 80 2.5 -20.1 215 18 262.7 262.8 260.8 264.8 0.73 5 868 1236 -18.1 -20.3 83 2.2 -18.5 221 19 265.6 265.7 263.2 268.0 0.88 6 850 1393 -19.1 -21.3 83 2.2 -19.4 230 21 266.1 266.3 263.5 268.4 0.82 7 700 2817 -25.7 -28.9 74 3.2 -26.1 260 29 274.0 274.1 268.4 275.5 0.50 8 694 2879 -26.1 -29.3 74 3.2 -26.5 261 29 274.3 274.3 268.5 275.7 0.49 9 516 4957 -42.1 -45.1 72 3.0 -42.2 287 43 279.2 279.2 270.9 279.6 0.13 10 500 5170 -42.7 -45.8 72 3.1 -42.8 290 44 281.0 281.0 271.9 281.4 0.13 11 468 5613 -44.3 -47.6 70 3.3 -44.4 289 51 284.4 284.4 273.9 284.7 0.11 12 400 6650 -49.5 -53.5 63 4.0 -49.6 285 68 290.7 290.7 277.1 290.9 0.07 13 359 7352 -54.3 -58.3 61 4.0 -54.4 285 71 293.4 293.4 278.4 293.5 0.04 14 343 7644 -56.3 -60.3 61 4.0 -56.3 287 69 294.5 294.5 278.9 294.6 0.03 15 318 8123 -58.3 -62.7 57 4.4 -58.3 290 66 298.2 298.2 280.6 298.3 0.03 16 305 8386 -58.9 -63.3 57 4.4 -58.9 290 66 300.9 300.9 281.7 301.0 0.03 17 300 8490 -58.7 -63.2 56 4.5 -58.7 290 66 302.6 302.6 282.5 302.7 0.03 18 250 9640 -57.3 -61.9 56 4.6 -57.4 285 62 320.9 320.9 289.0 321.0 0.04 19 206 10854 -57.9 -62.7 54 4.8 -58.0 285 52 338.2 338.2 293.9 338.4 0.04 20 200 11040 -57.3 -62.2 54 4.9 -57.4 285 50 342.0 342.0 294.8 342.2 0.04 21 182 11642 -54.9 -59.7 55 4.8 -55.1 285 49 355.3 355.3 297.8 355.6 0.07 22 150 12880 -55.3 -60.3 54 5.0 -55.5 285 46 374.8 374.8 301.5 375.1 0.08 23 100 15460 -56.9 -62.9 47 6.0 -57.1 285 46 417.8 417.8 307.5 418.2 0.08 24 70 17700 -60.9 -67.9 39 7.0 -61.2 275 48 454.1 454.1 311.3 454.4 0.06 25 50 19790 -62.5 -69.5 38 7.0 -62.8 270 48 496.2 496.2 314.7 496.6 0.07 26 47 20171 -61.5 -68.5 39 7.0 -61.8 270 50 507.5 507.5 315.5 508.0 0.08 27 35 21968 -67.1 -74.1 36 7.0 -67.3 270 59 537.5 537.5 317.4 537.8 0.05 28 35 21968 -67.1 -74.1 36 7.0 -67.3 270 59 537.5 537.5 317.4 537.8 0.05 29 30 22900 -64.9 -71.9 37 7.0 -65.2 270 64 567.7 567.7 319.0 568.3 0.08 30 27 23541 -65.9 -72.9 37 7.0 -66.2 582.3 582.3 319.8 582.8 0.07 31 25 24013 -61.7 -68.7 39 7.0 -62.3 607.3 607.3 321.0 608.4 0.15 TRP 318 8123 -58.3 -62.7 57 4.4 -58.3 290 66 298.2 298.2 280.6 298.3 0.03 WND 359 7352 -54.3 -58.3 61 4.0 -54.4 285 71 293.4 293.4 278.4 293.5 0.04 Sounding variables and indices 1000-500 mb thick: 4998.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 76.56 % Est. max temperature: -7.91 C = 17.77 F Sfc-Lift cond lev (LCL): 938.10 mb = 679.41 m = 2229.02 ft T: -16.45 C 700-500 lapse rate: 7.22 C/km ThetaE index: 2.58 C Layer 925.0- 882.0 mb Conv cond level (CCL): 795.51 mb = 1878.94 m = 6164.42 ft Mean mixing ratio: 0.87 g/kg Conv temperature: -6.74 C = 19.87 F Cap Strength: 12.37 C Lifted Index: 13.71 C Risk: None Lifted Index @300 mb: 27.09 C Lifted Index @700 mb: 9.44 C Showalter Index: 10.42 C Risk: None Total Totals Index: 45.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.60 C Cross Totals Index: 21.40 C K Index: -0.90 Risk: None Sweat Index: 219.25 Risk: None Energy Index: 2.73 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.59 J/kg Max Up Vert Vel: 4.15 m/s Conv Inhibition (B-): 52385.12 J/kg Cap Strength: 13.24 C Lift Cond Lev (LCL): 885.57 mb = 1086.91 m = 3565.95 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 303 at 26 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 ---------------------------------------------------------- 0 969 489 180 13 0.0 13.0 | 141 35 -22.0 27.2 1 925 762 195 13 3.4 12.6 | 145 33 -18.6 26.8 2 850 1393 230 21 16.1 13.5 | 168 28 -5.9 27.7 3 700 2817 260 29 28.6 5.0 | 199 20 6.6 19.2 4 500 5170 290 44 41.3 -15.0 | 272 19 19.4 -0.8 5 400 6650 285 68 65.7 -17.6 | 274 44 43.7 -3.4 6 359 7352 285 71 68.6 -18.4 | 275 47 46.6 -4.2 7 318 8123 290 66 62.0 -22.6 | 282 41 40.1 -8.4 8 300 8490 290 66 62.0 -22.6 | 282 41 40.1 -8.4 9 250 9640 285 62 59.9 -16.0 | 273 38 37.9 -1.8 10 200 11040 285 50 48.3 -12.9 | 267 26 26.3 1.3 11 150 12880 285 46 44.4 -11.9 | 264 23 22.5 2.3 12 100 15460 285 46 44.4 -11.9 | 264 23 22.5 2.3 13 70 17700 275 48 47.8 -4.2 | 249 28 25.9 10.0 14 50 19790 270 48 48.0 -0.0 | 241 30 26.0 14.2 15 30 22900 270 64 64.0 -0.0 | 251 44 42.0 14.2 Wind Parameters Mean winds (0-6000m): 272.9 at 34.9 knts Storm direction: 302.9 at 26.1 knts Shear (0-3000m) pos: 6.1 neg: 0.0 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 75.9 deg Storm rel helicity (0-3000m) pos: 239.4 neg: 0.0 tot: 239.4 m^2/s^2 ave: 79.8 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 5.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.05 Bulk Shear: 162.22 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 ------------------------------------------------------------------------------- 500 193 14 146 33| 7.6 0.0 7.6| 57.8 0.0 57.8 115.5 0.87| 7.8 6.8 1000 211 16 154 31| 8.7 0.0 8.7|128.7 0.0 128.7 128.7 0.90| 8.9 8.0 1500 222 18 160 30| 7.4 0.0 7.4|160.0 0.0 160.0 106.6 0.89| 7.7 6.9 2000 231 20 167 28| 6.8 0.0 6.8|189.4 0.0 189.4 94.7 0.88| 7.2 6.3 2500 238 22 172 26| 6.4 0.0 6.4|215.7 0.0 215.7 86.3 0.88| 6.9 6.0 3000 245 23 178 24| 6.1 0.0 6.1|239.4 0.0 239.4 79.8 0.89| 6.5 5.8 4000 256 27 191 21| 5.7 0.0 5.7|288.9 0.0 288.9 72.2 0.91| 6.2 5.7 5000 267 30 207 18| 5.6 0.0 5.6|329.7 0.0 329.7 65.9 0.86| 6.3 5.4 6000 273 35 226 18| 4.7 1.4 6.1|332.5 -1.5 331.0 55.2 0.68| 6.7 4.5 Wrote GIF file: /home/apache/climate/data/raob//UIBB/skewt/UIBB.skewt.20251207.12.gif