UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for ZM231... Searching the city database file for: ZM231 ... Date:0000Z 9 DEC 25 Station: ZM231 WMO ident: 44231 Latitude: 49.63 Longitude: 100.17 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 870 1286 -16.5 -19.6 77 3.1 -17.1 0 0 267.1 267.2 264.4 269.7 0.93 1 850 1462 -12.5 -16.5 72 4.0 -13.4 280 1 273.1 273.3 269.0 276.6 1.24 2 782 2098 -13.9 -18.9 66 5.0 -15.0 289 13 278.1 278.3 271.9 281.4 1.10 3 754 2374 -15.9 -19.5 74 3.6 -16.7 292 18 278.9 279.1 272.3 282.1 1.08 4 739 2525 -16.3 -23.3 55 7.0 -17.6 294 21 280.1 280.2 272.6 282.4 0.79 5 700 2931 -19.5 -22.5 77 3.0 -20.0 300 29 280.9 281.0 273.2 283.6 0.90 6 663 3334 -20.7 -22.5 85 1.8 -21.0 298 32 283.9 284.1 275.0 286.8 0.95 7 658 3390 -20.9 -23.0 83 2.1 -21.2 297 32 284.3 284.5 275.2 287.1 0.91 8 639 3605 -22.7 -25.5 78 2.8 -23.1 296 34 284.7 284.8 275.1 287.0 0.75 9 589 4200 -25.9 -28.7 77 2.8 -26.3 292 38 287.7 287.8 276.5 289.6 0.61 10 500 5370 -32.7 -36.6 68 3.9 -33.1 285 46 293.2 293.2 278.7 294.3 0.33 11 488 5541 -33.7 -38.0 65 4.3 -34.1 284 46 294.0 294.0 279.1 295.0 0.30 12 400 6900 -45.9 -49.9 64 4.0 -46.0 280 48 295.3 295.4 279.4 295.7 0.10 13 319 8364 -57.7 -62.2 56 4.5 -57.8 276 43 298.7 298.7 280.8 298.8 0.03 14 300 8750 -58.3 -61.5 67 3.2 -58.3 275 42 303.2 303.2 282.7 303.3 0.03 15 283 9114 -60.5 -62.5 77 2.0 -60.5 275 45 305.1 305.1 283.5 305.2 0.03 16 277 9247 -61.3 -64.8 63 3.5 -61.3 275 45 305.8 305.8 283.8 305.9 0.02 17 250 9880 -61.9 -69.9 34 8.0 -62.0 275 50 314.0 314.0 286.8 314.1 0.01 18 218 10727 -65.1 -71.1 43 6.0 -65.1 275 60 321.6 321.6 289.3 321.7 0.01 19 215 10812 -65.1 -71.1 43 6.0 -65.1 276 61 322.9 322.9 289.6 323.0 0.01 20 200 11260 -60.5 -71.5 22 11.0 -60.6 280 66 337.0 337.0 293.6 337.0 0.01 21 191 11547 -58.1 -74.1 11 16.0 -58.3 278 64 345.3 345.3 295.6 345.3 0.01 22 175 12097 -57.7 -80.7 4 23.0 -57.9 275 61 354.7 354.7 297.6 354.7 0.00 23 150 13070 -56.1 -81.1 3 25.0 -56.4 270 56 373.4 373.4 301.2 373.4 0.00 24 145 13286 -55.5 -81.5 3 26.0 -55.9 270 57 378.1 378.1 301.9 378.1 0.00 25 100 15640 -57.9 -87.9 1 30.0 -58.3 265 64 415.9 415.9 307.2 415.9 0.00 26 70 17870 -61.7 -90.7 1 29.0 -62.0 265 64 452.4 452.4 311.1 452.4 0.00 27 50 19930 -65.3 -93.3 1 28.0 -65.6 265 77 489.6 489.6 314.2 489.6 0.00 28 40 21295 -64.2 -92.2 1 28.0 -64.7 265 91 524.6 524.6 316.6 524.6 0.00 29 33 22478 -63.3 -91.3 1 28.0 -63.8 265 82 556.7 556.7 318.5 556.7 0.00 30 30 23070 -59.3 -89.3 1 30.0 -60.3 265 77 583.0 583.0 319.8 583.0 0.00 31 24 24471 -56.5 -87.5 1 31.0 -58.2 262 67 629.5 629.5 321.9 629.6 0.01 32 20 25620 -58.3 -88.3 1 30.0 -59.9 260 58 657.7 657.7 323.0 657.8 0.01 33 14 27852 -60.7 -89.7 1 29.0 -62.3 720.2 720.2 325.1 720.3 0.01 34 14 27852 -55.7 -86.7 1 31.0 -58.4 737.2 737.2 325.6 737.3 0.02 TRP 218 10727 -65.1 -71.1 43 6.0 -65.1 275 60 321.6 321.6 289.3 321.7 0.01 WND 40 21295 -64.2 -92.2 1 28.0 -64.7 265 91 524.6 524.6 316.6 524.6 0.00 Sounding variables and indices Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 73.16 % Est. max temperature: -3.64 C = 25.45 F Sfc-Lift cond lev (LCL): 826.98 mb = 1671.28 m = 5483.14 ft T: -12.96 C 700-500 lapse rate: 5.41 C/km Conv cond level (CCL): 684.39 mb = 3098.22 m = 10164.63 ft Mean mixing ratio: 1.14 g/kg Conv temperature: -2.02 C = 28.37 F Cap Strength: 9.06 C Lifted Index: 12.63 C Risk: None Lifted Index @300 mb: 17.73 C Lifted Index @700 mb: 4.56 C Showalter Index: 13.92 C Risk: None Total Totals Index: 36.40 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: 16.20 C K Index: 0.70 Risk: None Sweat Index: 48.00 Risk: None Energy Index: 3.73 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.88 J/kg Max Up Vert Vel: 7.86 m/s Conv Inhibition (B-): 49917.94 J/kg Cap Strength: 12.52 C Lift Cond Lev (LCL): 762.84 mb = 2285.47 m = 7498.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 318 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 ---------------------------------------------------------- 0 870 1286 0 0 -0.0 -0.0 | 138 26 -17.4 19.0 1 850 1462 280 1 1.0 -0.2 | 139 25 -16.4 18.9 2 700 2931 300 29 25.1 -14.5 | 240 9 7.7 4.5 3 500 5370 285 46 44.4 -11.9 | 255 28 27.0 7.1 4 400 6900 280 48 47.3 -8.3 | 250 32 29.9 10.7 5 300 8750 275 42 41.8 -3.7 | 238 29 24.4 15.4 6 250 9880 275 50 49.8 -4.4 | 246 36 32.4 14.7 7 218 10727 275 60 59.8 -5.2 | 252 45 42.4 13.8 8 200 11260 280 66 65.0 -11.5 | 261 48 47.6 7.6 9 150 13070 270 56 56.0 -0.0 | 244 43 38.6 19.0 10 100 15640 265 64 63.8 5.6 | 242 52 46.4 24.6 11 70 17870 265 64 63.8 5.6 | 242 52 46.4 24.6 12 50 19930 265 77 76.7 6.7 | 247 65 59.3 25.8 13 40 21295 265 91 90.7 7.9 | 250 78 73.3 27.0 14 30 23070 265 77 76.7 6.7 | 247 65 59.3 25.8 15 20 25620 260 58 57.1 10.1 | 234 49 39.7 29.1 Wind Parameters Mean winds (0-6000m): 287.6 at 34.4 knts Storm direction: 317.6 at 25.8 knts Shear (0-3000m) pos: 3.3 neg: 3.4 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 117.6 deg Storm rel helicity (0-3000m) pos: 97.3 neg: 0.0 tot: 97.3 m^2/s^2 ave: 32.4 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 4.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.23 Bulk Shear: 132.44 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 ------------------------------------------------------------------------------- 500 284 3 141 24| 0.0 7.4 7.4| 27.0 0.0 27.0 54.1 0.61| 7.5 4.6 1000 290 7 147 20| 4.9 3.7 8.6| 55.6 0.0 55.6 55.6 0.65| 8.7 5.7 1500 297 12 154 15| 6.6 2.5 9.1| 79.5 0.0 79.5 53.0 0.74| 9.2 6.8 2000 299 16 164 12| 5.0 3.2 8.1| 90.1 0.0 90.1 45.0 0.74| 8.3 6.2 2500 298 20 179 10| 4.0 3.3 7.3| 94.3 0.0 94.3 37.7 0.70| 7.5 5.2 3000 297 22 196 9| 3.3 3.4 6.7| 97.3 0.0 97.3 32.4 0.64| 6.9 4.5 4000 293 28 224 12| 2.5 3.5 6.0| 98.3 -1.2 97.1 24.3 0.53| 6.3 3.3 5000 290 32 236 15| 2.0 3.1 5.1| 98.3 -13.4 85.0 17.0 0.47| 5.4 2.5 6000 288 34 241 18| 1.7 2.6 4.2| 98.3 -33.4 64.9 10.8 0.40| 4.8 1.9 Wrote GIF file: /home/apache/climate/data/raob//ZM231/skewt/ZM231.skewt.20251209.00.gif