UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120500.upa.cvt Date: 0000Z 5 DEC 25 Searching for U9862... Searching the city database file for: U9862 ... Date:0000Z 5 DEC 25 Station: U9862 WMO ident: 29862 Latitude: 53.77 Longitude: 91.32 ------------------------------------------------------------------------------- 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 97 SFC 980 256 -3.1 -6.2 79 3.1 -4.1 180 5 271.6 272.0 270.1 278.3 2.45 2 950 501 -1.1 -6.1 69 5.0 -2.9 207 15 276.1 276.5 273.0 283.2 2.55 3 925 711 -2.5 -8.5 63 6.0 -4.5 230 23 276.8 277.1 272.8 282.9 2.17 4 919 763 -3.1 -9.1 63 6.0 -5.0 232 23 276.7 277.0 272.6 282.5 2.09 5 850 1376 -7.7 -12.7 67 5.0 -9.1 255 23 278.1 278.4 272.8 282.9 1.69 6 700 2856 -18.1 -23.0 65 4.9 -19.0 295 44 282.4 282.6 274.0 285.0 0.86 7 596 4032 -27.7 -31.2 72 3.5 -28.1 276 46 284.6 284.7 274.6 286.1 0.47 8 511 5127 -31.9 -34.9 75 3.0 -32.2 258 48 292.3 292.4 278.4 293.6 0.39 9 500 5280 -33.5 -36.8 72 3.3 -33.8 255 48 292.2 292.3 278.3 293.3 0.33 10 483 5522 -36.1 -39.4 72 3.3 -36.3 255 48 291.9 291.9 278.0 292.8 0.26 11 450 6014 -37.3 -40.2 74 2.9 -37.5 255 48 296.4 296.4 280.1 297.2 0.26 12 424 6424 -40.1 -43.2 72 3.1 -40.3 255 48 297.9 297.9 280.7 298.6 0.20 13 400 6820 -43.3 -46.3 72 3.0 -43.5 255 48 298.7 298.7 281.0 299.2 0.15 14 370 7340 -47.9 -51.0 70 3.1 -48.0 255 51 299.3 299.4 281.2 299.7 0.10 15 308 8532 -55.3 -58.7 66 3.4 -55.4 255 57 305.1 305.1 283.5 305.3 0.05 16 300 8700 -55.5 -58.9 66 3.4 -55.6 255 58 307.1 307.1 284.3 307.3 0.05 17 286 9002 -56.4 -59.7 66 3.3 -56.5 260 60 310.0 310.0 285.4 310.2 0.04 18 285 9024 -56.5 -59.8 66 3.3 -56.6 260 60 310.2 310.2 285.5 310.4 0.04 19 250 9850 -56.9 -60.3 65 3.4 -57.0 270 54 321.5 321.5 289.2 321.7 0.05 20 200 11270 -55.9 -59.9 61 4.0 -56.0 270 50 344.2 344.3 295.4 344.5 0.06 21 150 13090 -57.1 -62.1 53 5.0 -57.2 275 52 371.7 371.7 300.9 372.0 0.06 22 100 15650 -59.7 -65.7 45 6.0 -59.9 275 50 412.4 412.4 306.9 412.7 0.06 23 75 17442 -59.7 -66.7 40 7.0 -59.9 311 83 447.7 447.8 310.7 448.1 0.06 24 70 17870 -62.1 -70.1 34 8.0 -62.3 320 91 451.5 451.5 311.0 451.8 0.04 25 58 19027 -62.5 -70.5 33 8.0 -62.7 295 68 475.6 475.6 313.1 475.9 0.05 26 50 19930 -66.7 -74.7 32 8.0 -66.9 275 50 486.3 486.3 314.0 486.5 0.03 27 45 20562 -69.9 -77.9 30 8.0 -70.0 493.4 493.4 314.5 493.5 0.02 TRP 285 9024 -56.5 -59.8 66 3.3 -56.6 260 60 310.2 310.2 285.5 310.4 0.04 WND 286 9002 -56.4 -59.7 66 3.3 -56.5 260 60 310.0 310.0 285.4 310.2 0.04 Sounding variables and indices 1000-500 mb thick: 5183.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 68.92 % Est. max temperature: 3.88 C = 38.98 F Sfc-Lift cond lev (LCL): 933.25 mb = 640.90 m = 2102.67 ft T: -2.03 C 700-500 lapse rate: 6.35 C/km ThetaE index: 0.64 C Layer 925.0- 850.0 mb Conv cond level (CCL): 818.07 mb = 1667.90 m = 5472.03 ft Mean mixing ratio: 2.23 g/kg Conv temperature: 4.21 C = 39.58 F Cap Strength: 8.92 C Lifted Index: 8.73 C Risk: None Lifted Index @300 mb: 17.66 C Lifted Index @700 mb: 2.97 C Showalter Index: 8.14 C Risk: None Total Totals Index: 46.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.80 C Cross Totals Index: 20.80 C K Index: 8.20 Risk: None Sweat Index: 94.00 Risk: None Energy Index: 2.10 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.53 J/kg Max Up Vert Vel: 6.09 m/s Conv Inhibition (B-): 33086.29 J/kg Cap Strength: 8.82 C Lift Cond Lev (LCL): 856.23 mb = 1318.59 m = 4326.02 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 298 at 29 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 ---------------------------------------------------------- 0 980 256 180 5 0.0 5.0 | 126 32 -25.5 18.7 1 925 711 230 23 17.6 14.8 | 165 30 -7.9 28.5 2 850 1376 255 23 22.2 6.0 | 170 20 -3.3 19.7 3 700 2856 295 44 39.9 -18.6 | 289 15 14.4 -4.9 4 500 5280 255 48 46.4 12.4 | 219 33 20.8 26.2 5 400 6820 255 48 46.4 12.4 | 219 33 20.8 26.2 6 300 8700 255 58 56.0 15.0 | 227 42 30.5 28.7 7 286 9002 260 60 59.1 10.4 | 234 41 33.6 24.2 8 285 9024 260 60 59.1 10.4 | 234 41 33.6 24.2 9 250 9850 270 54 54.0 -0.0 | 244 32 28.5 13.7 10 200 11270 270 50 50.0 -0.0 | 241 28 24.5 13.7 11 150 13090 275 52 51.8 -4.5 | 251 28 26.3 9.2 12 100 15650 275 50 49.8 -4.4 | 249 26 24.3 9.4 13 70 17870 320 91 58.5 -69.7 | 329 65 33.0 -56.0 14 50 19930 275 50 49.8 -4.4 | 249 26 24.3 9.4 Wind Parameters Mean winds (0-6000m): 268.3 at 38.6 knts Storm direction: 298.3 at 29.0 knts Shear (0-3000m) pos: 7.7 neg: 0.6 tot: 8.3 10-3/s Storm rel Dir Shear (0-3000m): 145.0 deg Storm rel helicity (0-3000m) pos: 310.3 neg: -20.4 tot: 290.0 m^2/s^2 ave: 96.7 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 11.7 stream: 8.3 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.15 Bulk Shear: 120.20 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 ------------------------------------------------------------------------------- 500 223 15 148 29| 20.9 0.0 20.9|181.9 0.0 181.9 363.9 0.96| 23.2 22.2 1000 234 19 158 27| 11.2 0.0 11.2|196.6 0.0 196.6 196.6 0.79| 15.5 12.2 1500 244 21 164 24| 9.7 0.0 9.7|227.1 0.0 227.1 151.4 0.77| 13.3 10.3 2000 255 24 172 20| 9.4 0.0 9.4|263.2 0.0 263.2 131.6 0.81| 12.7 10.2 2500 266 27 185 16| 9.2 0.0 9.2|301.7 0.0 301.7 120.7 0.84| 12.5 10.5 3000 273 30 199 13| 7.7 0.6 8.3|310.3 -20.4 290.0 96.7 0.71| 11.7 8.3 4000 276 34 218 13| 5.7 2.1 7.8|310.3 -79.0 231.3 57.8 0.46| 10.5 4.8 5000 272 37 222 17| 4.6 3.0 7.6|310.3-155.8 154.5 30.9 0.29| 9.8 2.8 6000 268 39 221 20| 3.8 2.5 6.4|310.3-158.0 152.3 25.4 0.28| 8.2 2.3 Wrote GIF file: /home/apache/climate/data/raob//U9862/skewt/U9862.skewt.20251205.00.gif