UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102800.upa.cvt Date: 0000Z 28 OCT 25 Searching for U8275... Searching the city database file for: U8275 ... Date:0000Z 28 OCT 25 Station: U8275 WMO ident: 28275 Latitude: 58.15 Longitude: 68.18 ------------------------------------------------------------------------------- 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 1015 55 -2.1 -3.1 93 1.0 -2.4 200 3 269.9 270.4 269.9 277.9 2.99 1 1000 174 2.6 -0.6 79 3.2 1.3 225 7 275.8 276.4 274.4 285.8 3.66 2 990 255 6.6 0.6 65 6.0 3.9 232 9 280.6 281.2 277.5 291.8 4.03 3 925 809 5.4 -1.6 61 7.0 2.3 280 23 284.8 285.5 279.2 295.3 3.67 4 894 1089 3.6 -1.4 70 5.0 1.4 278 24 285.8 286.4 279.9 296.8 3.86 5 850 1500 1.8 -2.0 76 3.8 0.1 275 25 288.0 288.7 281.0 299.2 3.88 6 790 2087 -1.3 -4.9 76 3.6 -2.8 279 26 290.8 291.4 281.6 300.6 3.36 7 700 3043 -5.5 -8.6 79 3.1 -6.7 285 27 296.4 296.9 283.4 305.0 2.85 8 592 4336 -12.5 -15.5 78 3.0 -13.4 280 29 302.8 303.2 284.9 308.9 1.93 9 508 5483 -20.7 -24.5 72 3.8 -21.5 275 31 306.4 306.6 285.2 309.8 1.03 10 500 5600 -21.3 -25.2 71 3.9 -22.1 275 31 307.1 307.3 285.4 310.3 0.99 11 415 6942 -31.9 -35.8 68 3.9 -32.3 271 33 310.2 310.3 285.9 311.8 0.43 12 400 7200 -34.1 -38.2 66 4.1 -34.5 270 33 310.7 310.7 286.0 311.9 0.35 13 300 9150 -50.3 -53.9 66 3.6 -50.4 275 35 314.5 314.5 287.0 314.8 0.08 14 297 9215 -51.3 -54.7 67 3.4 -51.4 275 35 313.9 314.0 286.8 314.2 0.08 15 250 10310 -60.5 -64.2 62 3.7 -60.6 280 42 316.1 316.1 287.5 316.2 0.03 16 235 10693 -64.3 -68.1 59 3.8 -64.3 277 41 316.0 316.0 287.5 316.1 0.02 17 207 11463 -68.9 -72.8 57 3.9 -68.9 270 40 320.5 320.5 288.9 320.5 0.01 18 200 11670 -66.7 -70.4 59 3.7 -66.7 270 38 327.1 327.1 290.9 327.2 0.01 19 190 11983 -62.9 -66.8 59 3.9 -63.0 273 37 338.1 338.1 293.9 338.2 0.03 20 150 13450 -59.3 -63.5 58 4.2 -59.4 285 33 367.9 367.9 300.2 368.1 0.05 21 146 13619 -59.9 -64.1 58 4.2 -60.0 285 33 369.7 369.7 300.5 369.9 0.05 22 100 15980 -60.5 -65.5 52 5.0 -60.6 285 33 410.8 410.8 306.6 411.1 0.06 23 93 16432 -62.7 -68.7 44 6.0 -62.9 286 34 415.1 415.1 307.2 415.3 0.04 24 70 18180 -64.9 -70.9 43 6.0 -65.0 290 38 445.5 445.6 310.4 445.8 0.04 25 55 19643 -67.3 -74.3 36 7.0 -67.4 286 42 471.9 471.9 312.8 472.0 0.03 26 50 20220 -65.5 -72.5 37 7.0 -65.7 285 44 489.1 489.1 314.2 489.4 0.04 27 35 22388 -68.5 -76.5 31 8.0 -68.7 282 47 533.8 533.8 317.2 534.1 0.03 28 30 23320 -66.9 -74.9 31 8.0 -67.2 280 48 562.3 562.3 318.8 562.6 0.05 29 28 23737 -66.9 -74.9 31 8.0 -67.2 573.5 573.5 319.3 573.8 0.05 30 26 24189 -63.1 -72.1 29 9.0 -63.6 596.5 596.6 320.5 597.2 0.09 TRP 207 11463 -68.9 -72.8 57 3.9 -68.9 270 40 320.5 320.5 288.9 320.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5426.00 m Freezing level: Surface below freezing Freezing level: 1008.30 mb = 108.04 m = 354.47 ft Freezing level: 815.16 mb = 1840.64 m = 6038.78 ft Wetbulb zero: Below ground Precipitable water: 0.64 inches Sfc-500 mean rel hum: 74.70 % Est. max temperature: 15.32 C = 59.58 F Sfc-Lift cond lev (LCL): 999.02 mb = 181.91 m = 596.83 ft T: 2.99 C 700-500 lapse rate: 6.18 C/km Conv cond level (CCL): 715.12 mb = 2874.06 m = 9429.23 ft Mean mixing ratio: 3.76 g/kg Conv temperature: 23.52 C = 74.34 F Cap Strength: 13.32 C Lifted Index: 13.72 C Risk: None Lifted Index @300 mb: 16.24 C Lifted Index @700 mb: 9.07 C Showalter Index: 8.21 C Risk: None Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 19.30 C K Index: 18.00 Risk: < 20 % chance of thunderstorms Sweat Index: 81.00 Risk: None Energy Index: 2.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 43.77 J/kg Max Up Vert Vel: 9.36 m/s Conv Inhibition (B-): 37899.08 J/kg Cap Strength: 13.61 C Lift Cond Lev (LCL): 882.43 mb = 1194.83 m = 3920.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 308 at 19 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 1015 55 200 3 1.0 2.8 | 136 21 -14.3 14.9 1 1000 174 225 7 4.9 4.9 | 149 20 -10.3 17.0 2 925 809 280 23 22.7 -4.0 | 222 11 7.4 8.1 3 850 1500 275 25 24.9 -2.2 | 224 14 9.6 9.9 4 700 3043 285 27 26.1 -7.0 | 245 12 10.8 5.1 5 500 5600 275 31 30.9 -2.7 | 239 18 15.6 9.4 6 400 7200 270 33 33.0 -0.0 | 236 21 17.7 12.1 7 300 9150 275 35 34.9 -3.1 | 245 22 19.6 9.0 8 250 10310 280 42 41.4 -7.3 | 260 26 26.1 4.8 9 207 11463 270 40 40.0 -0.0 | 244 27 24.7 12.1 10 200 11670 270 38 38.0 -0.0 | 242 26 22.7 12.1 11 150 13450 285 33 31.9 -8.5 | 258 17 16.6 3.5 12 100 15980 285 33 31.9 -8.5 | 258 17 16.6 3.5 13 70 18180 290 38 35.7 -13.0 | 273 20 20.4 -0.9 14 50 20220 285 44 42.5 -11.4 | 269 27 27.2 0.7 15 30 23320 280 48 47.3 -8.3 | 263 32 32.0 3.7 Wind Parameters Mean winds (0-6000m): 278.2 at 26.0 knts Storm direction: 308.2 at 19.5 knts Shear (0-3000m) pos: 4.5 neg: 0.3 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 108.6 deg Storm rel helicity (0-3000m) pos: 122.8 neg: 0.0 tot: 122.8 m^2/s^2 ave: 40.9 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 5.0 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.98 Bulk Shear: 44.78 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 ------------------------------------------------------------------------------- 500 245 10 159 17| 15.7 0.0 15.7| 75.7 0.0 75.7 151.5 0.94| 16.8 15.8 1000 270 16 182 12| 12.0 0.0 12.0|106.6 0.0 106.6 106.6 0.90| 13.9 12.5 1500 273 19 197 12| 8.0 0.6 8.6|107.9 0.0 107.9 71.9 0.85| 9.9 8.5 2000 274 20 205 12| 6.2 0.5 6.7|112.9 0.0 112.9 56.5 0.86| 7.9 6.7 2500 276 21 212 12| 5.2 0.4 5.5|117.9 0.0 117.9 47.2 0.86| 6.6 5.7 3000 277 22 217 11| 4.5 0.3 4.8|122.8 0.0 122.8 40.9 0.86| 5.8 5.0 4000 279 24 224 12| 3.3 0.6 3.9|122.8 -1.7 121.1 30.3 0.79| 4.7 3.7 5000 279 25 229 12| 2.7 0.7 3.4|122.8 -4.3 118.5 23.7 0.72| 4.0 2.9 6000 278 26 231 13| 2.2 0.8 3.0|122.8 -7.7 115.1 19.2 0.66| 3.5 2.3 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20251028.00.gif