UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122712.upa.cvt Date: 1200Z 27 DEC 25 Searching for UIBB... Searching the city database file for: UIBB ... Date:1200Z 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 138 SFC 964 489 -16.1 -20.0 72 3.9 -16.7 280 3 259.8 259.9 258.6 262.0 0.81 2 925 723 -20.1 -25.1 64 5.0 -20.7 265 27 258.8 258.8 257.3 260.3 0.54 3 850 1344 -24.9 -28.9 69 4.0 -25.3 265 33 260.1 260.1 258.1 261.2 0.41 4 792 1853 -29.5 -32.9 72 3.4 -29.7 274 37 260.5 260.5 258.2 261.3 0.30 5 788 1889 -29.3 -32.7 72 3.4 -29.6 275 37 261.0 261.1 258.6 261.9 0.31 6 756 2185 -30.3 -33.6 73 3.3 -30.6 280 40 263.1 263.1 260.2 263.9 0.30 7 751 2232 -30.1 -33.5 72 3.4 -30.4 281 40 263.8 263.8 260.7 264.7 0.30 8 700 2731 -31.7 -35.0 73 3.3 -31.9 290 44 267.4 267.4 263.4 268.2 0.28 9 642 3340 -34.1 -38.2 66 4.1 -34.4 287 47 271.4 271.4 266.0 272.0 0.22 10 500 5050 -45.3 -50.0 59 4.7 -45.4 280 54 277.8 277.8 269.9 278.1 0.08 11 496 5103 -45.5 -50.2 59 4.7 -45.6 280 54 278.2 278.2 270.2 278.5 0.08 12 487 5225 -44.9 -49.7 59 4.8 -45.0 280 54 280.4 280.4 271.5 280.7 0.08 13 400 6520 -49.3 -55.3 49 6.0 -49.4 280 50 290.9 290.9 277.2 291.1 0.05 14 300 8390 -55.5 -63.5 36 8.0 -55.6 280 50 307.1 307.1 284.2 307.2 0.02 15 297 8454 -55.7 -63.7 36 8.0 -55.8 280 50 307.7 307.7 284.5 307.8 0.02 16 288 8649 -56.1 -64.1 36 8.0 -56.2 281 49 309.9 309.9 285.3 310.0 0.02 17 250 9550 -54.5 -62.5 37 8.0 -54.6 285 42 325.0 325.0 290.3 325.2 0.03 18 221 10341 -53.9 -62.9 32 9.0 -54.1 277 38 337.6 337.6 293.8 337.8 0.04 19 200 10980 -55.1 -65.1 28 10.0 -55.3 270 35 345.5 345.5 295.7 345.6 0.03 20 150 12800 -58.3 -69.3 23 11.0 -58.5 280 48 369.6 369.6 300.5 369.7 0.02 21 134 13509 -59.5 -71.5 20 12.0 -59.7 274 44 379.6 379.6 302.2 379.7 0.02 22 110 14756 -55.9 -68.9 18 13.0 -56.3 265 37 408.4 408.4 306.3 408.6 0.03 23 100 15360 -58.5 -71.5 17 13.0 -58.8 260 33 414.7 414.7 307.1 414.8 0.02 24 70 17590 -60.5 -74.5 14 14.0 -60.9 265 35 455.0 455.0 311.3 455.1 0.02 25 61 18442 -62.1 -76.1 14 14.0 -62.4 259 49 469.7 469.7 312.6 469.8 0.02 26 53 19326 -54.3 -70.3 12 16.0 -55.2 253 63 507.0 507.0 315.5 507.3 0.06 27 50 19700 -53.5 -69.5 13 16.0 -54.5 250 69 517.4 517.4 316.2 517.8 0.07 28 45 20384 -49.1 -66.1 12 17.0 -50.9 248 79 543.9 543.9 317.8 544.7 0.12 29 43 20682 -50.3 -67.3 12 17.0 -52.0 247 83 548.1 548.1 318.0 548.8 0.10 30 38 21498 -44.9 -62.9 12 18.0 -47.9 245 95 581.6 581.6 319.8 583.1 0.21 31 30 23080 -44.3 -64.3 9 20.0 -48.1 240 118 623.9 624.0 321.7 625.6 0.22 32 28 23543 -43.5 -64.5 8 21.0 -47.7 638.5 638.6 322.3 640.4 0.23 TRP 297 8454 -55.7 -63.7 36 8.0 -55.8 280 50 307.7 307.7 284.5 307.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 4912.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 67.16 % Est. max temperature: -15.55 C = 4.00 F Sfc-Lift cond lev (LCL): 904.49 mb = 887.68 m = 2912.30 ft T: -21.37 C 700-500 lapse rate: 5.86 C/km ThetaE index: 1.72 C Layer 925.0- 850.0 mb Conv cond level (CCL): 838.33 mb = 1443.57 m = 4736.08 ft Mean mixing ratio: 0.56 g/kg Conv temperature: -15.72 C = 3.71 F Cap Strength: 9.59 C Lifted Index: 13.98 C Risk: None Lifted Index @300 mb: 32.78 C Lifted Index @700 mb: 6.45 C Showalter Index: 13.68 C Risk: None Total Totals Index: 36.80 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: 16.40 C K Index: -11.80 Risk: None Sweat Index: 120.00 Risk: None Energy Index: 3.55 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.13 J/kg Max Up Vert Vel: 0.51 m/s Conv Inhibition (B-): 52572.11 J/kg Cap Strength: 13.98 C Lift Cond Lev (LCL): 850.07 mb = 1343.38 m = 4407.35 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 311 at 33 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 ---------------------------------------------------------- 0 964 489 280 3 3.0 -0.5 | 133 30 -22.1 20.9 1 925 723 265 27 26.9 2.4 | 184 24 1.9 23.8 2 850 1344 265 33 32.9 2.9 | 198 26 7.8 24.3 3 700 2731 290 44 41.3 -15.0 | 249 18 16.3 6.4 4 500 5050 280 54 53.2 -9.4 | 247 31 28.1 12.1 5 400 6520 280 50 49.2 -8.7 | 242 27 24.2 12.8 6 300 8390 280 50 49.2 -8.7 | 242 27 24.2 12.8 7 297 8454 280 50 49.2 -8.7 | 242 27 24.2 12.8 8 250 9550 285 42 40.6 -10.9 | 236 19 15.5 10.6 9 200 10980 270 35 35.0 -0.0 | 205 24 10.0 21.5 10 150 12800 280 48 47.3 -8.3 | 239 26 22.2 13.1 11 100 15360 260 33 32.5 5.7 | 195 28 7.5 27.2 12 70 17590 265 35 34.9 3.1 | 202 26 9.8 24.5 13 50 19700 250 69 64.8 23.6 | 221 60 39.8 45.1 14 30 23080 240 118 102.2 59.0 | 224 111 77.1 80.5 Wind Parameters Mean winds (0-6000m): 280.6 at 44.0 knts Storm direction: 310.6 at 33.0 knts Shear (0-3000m) pos: 3.7 neg: 5.0 tot: 8.8 10-3/s Storm rel Dir Shear (0-3000m): 115.3 deg Storm rel helicity (0-3000m) pos: 277.6 neg: -0.1 tot: 277.5 m^2/s^2 ave: 92.5 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 9.3 stream: 7.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.00 Bulk Shear: 77.53 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 ------------------------------------------------------------------------------- 500 266 21 170 23| 0.0 27.5 27.5|154.2 0.0 154.2 308.3 0.90| 27.8 25.0 1000 265 26 183 24| 2.5 13.7 16.2|186.5 0.0 186.5 186.5 0.90| 16.6 15.0 1500 268 29 191 23| 3.7 9.2 12.9|223.6 0.0 223.6 149.0 0.90| 13.4 12.1 2000 273 32 199 21| 4.6 6.9 11.4|259.6 0.0 259.6 129.8 0.90| 12.0 10.9 2500 277 34 207 20| 4.5 5.5 10.0|277.4 0.0 277.4 111.0 0.89| 10.6 9.5 3000 279 36 214 19| 3.7 5.0 8.8|277.6 -0.1 277.5 92.5 0.85| 9.3 7.9 4000 281 40 224 20| 2.8 4.5 7.3|277.6 -3.1 274.5 68.6 0.76| 7.7 5.9 5000 281 42 231 21| 2.2 3.8 6.0|277.6 -12.2 265.3 53.1 0.69| 6.6 4.6 6000 281 44 234 23| 1.9 2.9 4.8|277.6 -24.3 253.3 42.2 0.64| 5.8 3.7 Wrote GIF file: /home/apache/climate/data/raob//UIBB/skewt/UIBB.skewt.20251227.12.gif