UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121800.upa.cvt Date: 0000Z 18 DEC 25 Searching for ZM231... Searching the city database file for: ZM231 ... Date:0000Z 18 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 854 1289 -15.5 -17.3 86 1.8 -15.9 0 0 269.5 269.7 266.5 272.8 1.15 1 850 1325 -9.7 -10.9 91 1.2 -10.1 290 3 276.0 276.3 272.0 281.5 1.95 2 830 1510 -5.7 -12.7 58 7.0 -7.8 290 7 282.1 282.4 275.2 287.1 1.73 3 812 1682 -6.1 -14.1 53 8.0 -8.4 290 11 283.4 283.7 275.7 288.1 1.58 4 807 1730 -6.5 -14.5 53 8.0 -8.8 290 12 283.5 283.8 275.6 288.0 1.54 5 769 2104 -9.9 -14.9 67 5.0 -11.3 290 20 283.8 284.1 275.8 288.4 1.56 6 700 2822 -15.3 -17.4 84 2.1 -15.8 290 35 285.5 285.8 276.5 289.7 1.39 7 669 3162 -16.9 -24.9 50 8.0 -18.4 286 38 287.5 287.6 276.6 289.8 0.76 8 651 3366 -18.9 -26.9 49 8.0 -20.3 284 40 287.5 287.6 276.4 289.5 0.65 9 631 3596 -21.1 -28.1 53 7.0 -22.2 281 43 287.5 287.6 276.3 289.4 0.60 10 581 4198 -26.7 -31.2 66 4.5 -27.2 273 49 287.9 287.9 276.3 289.4 0.49 11 509 5136 -34.5 -38.1 70 3.6 -34.8 262 59 289.5 289.5 276.9 290.4 0.28 12 500 5260 -35.3 -39.3 67 4.0 -35.6 260 60 290.0 290.0 277.1 290.8 0.25 13 494 5345 -34.1 -43.1 40 9.0 -34.7 261 61 292.5 292.5 278.2 293.1 0.17 14 450 5994 -38.1 -60.1 8 22.0 -38.8 265 68 295.4 295.4 279.3 295.4 0.03 15 440 6149 -38.3 -59.3 9 21.0 -39.0 266 70 297.0 297.0 280.1 297.1 0.03 16 400 6800 -42.9 -63.9 8 21.0 -43.4 270 77 299.2 299.2 281.0 299.3 0.02 17 360 7501 -47.7 -65.8 11 18.0 -48.0 265 79 301.9 301.9 282.2 302.0 0.02 18 323 8207 -52.7 -67.7 15 15.0 -52.9 265 77 304.6 304.6 283.2 304.6 0.01 19 300 8680 -54.9 -69.9 14 15.0 -55.1 265 75 308.0 308.0 284.5 308.0 0.01 20 279 9143 -56.7 -69.7 18 13.0 -56.8 270 75 311.8 311.8 286.0 311.9 0.01 21 250 9840 -56.5 -72.5 12 16.0 -56.7 265 69 322.1 322.1 289.4 322.1 0.01 22 215 10793 -57.9 -77.9 6 20.0 -58.1 272 70 334.1 334.1 292.8 334.1 0.00 23 200 11250 -56.7 -80.7 3 24.0 -56.9 275 71 343.0 343.0 295.0 343.0 0.00 24 172 12206 -56.3 -84.3 2 28.0 -56.6 272 62 358.8 358.8 298.5 358.8 0.00 25 150 13070 -58.3 -88.3 1 30.0 -58.6 270 54 369.6 369.6 300.5 369.6 0.00 26 133 13823 -61.1 -90.1 1 29.0 -61.3 273 53 377.6 377.6 301.9 377.6 0.00 27 112 14899 -57.9 -87.9 1 30.0 -58.2 277 53 402.6 402.6 305.6 402.6 0.00 28 109 15071 -54.9 -85.9 1 31.0 -55.4 278 52 411.4 411.4 306.7 411.4 0.00 29 100 15620 -56.9 -86.9 1 30.0 -57.3 280 52 417.8 417.8 307.4 417.8 0.00 30 85 16634 -64.7 -92.7 1 28.0 -64.9 273 48 421.9 421.9 307.9 421.9 0.00 31 70 17850 -55.3 -86.3 1 31.0 -56.1 265 44 466.1 466.1 312.3 466.1 0.00 32 65 18325 -53.1 -85.1 1 32.0 -54.1 267 45 480.9 480.9 313.5 480.9 0.00 33 50 20000 -56.7 -86.7 1 30.0 -57.5 275 50 509.9 509.9 315.7 509.9 0.00 34 34 22464 -51.1 -83.1 1 32.0 -53.2 264 37 584.0 584.1 319.9 584.1 0.01 35 30 23270 -53.9 -84.9 1 31.0 -55.6 260 33 597.7 597.7 320.5 597.8 0.01 36 24 24717 -47.7 -80.7 1 33.0 -51.4 252 39 655.1 655.1 322.9 655.3 0.02 37 21 25584 -53.7 -84.7 1 31.0 -56.1 247 43 662.5 662.5 323.2 662.6 0.01 38 20 25900 -49.3 -82.3 1 33.0 -53.0 245 44 685.3 685.3 324.0 685.4 0.02 39 15 27828 -48.9 -81.9 1 33.0 -53.5 243 33 745.4 745.4 325.8 745.6 0.03 40 10 30590 -38.9 -74.9 1 36.0 -49.7 240 17 874.3 874.4 329.0 875.9 0.15 41 8.6 31625 -38.9 -74.9 1 36.0 -50.4 912.9 913.0 329.7 914.8 0.17 TRP 279 9143 -56.7 -69.7 18 13.0 -56.8 270 75 311.8 311.8 286.0 311.9 0.01 WND 360 7501 -47.7 -65.8 11 18.0 -48.0 265 79 301.9 301.9 282.2 302.0 0.02 Sounding variables and indices Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 64.95 % Est. max temperature: -0.31 C = 31.44 F Sfc-Lift cond lev (LCL): 829.30 mb = 1516.75 m = 4976.17 ft T: -5.72 C 700-500 lapse rate: 8.20 C/km ThetaE index: 0.04 C Layer 807.0- 769.0 mb Conv cond level (CCL): 691.77 mb = 2910.87 m = 9549.99 ft Mean mixing ratio: 1.62 g/kg Conv temperature: 0.27 C = 32.48 F Cap Strength: 3.47 C Lifted Index: 3.18 C Risk: None Lifted Index @300 mb: 14.89 C Lifted Index @700 mb: 2.32 C Showalter Index: 7.45 C Risk: None Total Totals Index: 50.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.60 C Cross Totals Index: 24.40 C K Index: 12.60 Risk: None Sweat Index: 86.00 Risk: None Energy Index: 2.02 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 33.14 J/kg Max Up Vert Vel: 8.14 m/s Conv Inhibition (B-): 68413.09 J/kg Cap Strength: 3.36 C Lift Cond Lev (LCL): 731.38 mb = 2487.26 m = 8160.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 300 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 ---------------------------------------------------------- 0 854 1289 0 0 -0.0 -0.0 | 120 37 -31.6 18.5 1 850 1325 290 3 2.8 -1.0 | 121 34 -28.8 17.4 2 700 2822 290 35 32.9 -12.0 | 191 7 1.2 6.5 3 500 5260 260 60 59.1 10.4 | 224 40 27.4 28.9 4 400 6800 270 77 77.0 -0.0 | 248 49 45.4 18.5 5 360 7501 265 79 78.7 6.9 | 242 53 47.1 25.4 6 300 8680 265 75 74.7 6.5 | 240 50 43.1 25.0 7 279 9143 270 75 75.0 -0.0 | 247 47 43.4 18.5 8 250 9840 265 69 68.7 6.0 | 237 44 37.1 24.5 9 200 11250 275 71 70.7 -6.2 | 253 41 39.1 12.3 10 150 13070 270 54 54.0 -0.0 | 230 29 22.4 18.5 11 100 15620 280 52 51.2 -9.0 | 244 22 19.6 9.4 12 70 17850 265 44 43.8 3.8 | 209 25 12.2 22.3 13 50 20000 275 50 49.8 -4.4 | 232 23 18.2 14.1 14 30 23270 260 33 32.5 5.7 | 182 24 0.9 24.2 15 20 25900 245 44 39.9 18.6 | 193 38 8.2 37.1 16 10 30590 240 17 14.7 8.5 | 148 32 -16.9 27.0 Wind Parameters Mean winds (0-6000m): 270.3 at 48.9 knts Storm direction: 300.3 at 36.6 knts Shear (0-3000m) pos: 0.0 neg: 8.6 tot: 8.6 10-3/s Storm rel Dir Shear (0-3000m): 107.3 deg Storm rel helicity (0-3000m) pos: 78.2 neg: -0.2 tot: 78.0 m^2/s^2 ave: 26.0 10^-3 m/s^2 rel: 0.38 Storm rel vorticity (0-3000m) horiz: 9.5 stream: 3.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.14 Bulk Shear: 232.28 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 ------------------------------------------------------------------------------- 500 290 7 123 29| 0.0 13.3 13.3| 22.3 0.0 22.3 44.7 0.22| 13.3 2.9 1000 290 13 126 24| 0.0 12.1 12.1| 40.8 0.0 40.8 40.8 0.28| 12.1 3.4 1500 290 18 130 19| 0.0 11.8 11.8| 59.3 0.0 59.3 39.5 0.41| 11.8 4.8 2000 289 23 138 15| 0.0 10.2 10.2| 69.4 0.0 69.4 34.7 0.46| 10.6 4.8 2500 286 27 151 13| 0.0 9.2 9.2| 76.3 0.0 76.3 30.5 0.43| 9.9 4.2 3000 283 30 170 12| 0.0 8.6 8.6| 78.2 -0.2 78.0 26.0 0.38| 9.5 3.6 4000 274 37 198 16| 0.0 7.8 7.8| 78.7 -18.8 60.0 15.0 0.27| 9.1 2.4 5000 271 43 212 21| 1.4 6.2 7.6|215.2 -18.8 196.5 39.3 0.37| 8.6 3.2 6000 270 49 223 25| 1.7 5.4 7.1|291.4 -68.3 223.1 37.2 0.35| 8.2 2.9 Wrote GIF file: /home/apache/climate/data/raob//ZM231/skewt/ZM231.skewt.20251218.00.gif