UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102712.upa.cvt Date: 1200Z 27 OCT 25 Searching for U3078... Searching the city database file for: U3078 ... Date:1200Z 27 OCT 25 Station: U3078 WMO ident: 23078 Latitude: 69.33 Longitude: 88.10 ------------------------------------------------------------------------------- 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 -27 SFC 988 68 -4.3 -5.1 94 0.8 -4.6 340 7 269.8 270.2 269.2 276.9 2.64 2 950 376 -6.1 -8.2 85 2.1 -6.7 331 12 271.0 271.4 269.2 276.9 2.16 3 925 584 -6.9 -9.0 85 2.1 -7.5 325 15 272.3 272.6 269.9 278.0 2.09 4 875 1017 -7.5 -9.3 87 1.8 -8.1 341 14 276.0 276.4 272.3 282.0 2.16 5 850 1242 -8.9 -10.9 85 2.0 -9.5 350 13 276.8 277.2 272.5 282.4 1.95 6 785 1854 -12.1 -14.5 82 2.4 -12.7 356 16 279.8 280.0 273.6 284.3 1.58 7 700 2723 -16.7 -19.5 79 2.8 -17.3 5 21 284.0 284.2 275.3 287.5 1.16 8 658 3185 -19.3 -22.3 77 3.0 -19.9 6 22 286.1 286.3 276.2 289.1 0.97 9 572 4212 -26.1 -28.8 78 2.7 -26.5 8 25 289.8 290.0 277.6 291.8 0.62 10 503 5128 -33.1 -35.7 77 2.6 -33.3 10 27 292.2 292.2 278.3 293.4 0.36 11 500 5170 -33.5 -36.2 77 2.7 -33.7 10 27 292.2 292.3 278.3 293.3 0.35 12 420 6372 -42.7 -45.5 74 2.8 -42.8 10 33 295.3 295.4 279.5 295.9 0.16 13 400 6700 -45.3 -48.3 72 3.0 -45.4 10 35 296.1 296.1 279.8 296.5 0.12 14 355 7486 -51.1 -54.2 69 3.1 -51.2 298.6 298.6 280.8 298.8 0.07 TRP WND Sounding variables and indices 1000-500 mb thick: 5197.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 80.88 % Est. max temperature: 3.24 C = 37.84 F Sfc-Lift cond lev (LCL): 975.41 mb = 168.69 m = 553.44 ft T: -4.89 C 700-500 lapse rate: 6.87 C/km Conv cond level (CCL): 837.81 mb = 1353.14 m = 4439.37 ft Mean mixing ratio: 2.22 g/kg Conv temperature: 3.25 C = 37.85 F Cap Strength: 12.00 C Lifted Index: 11.95 C Risk: None Lifted Index @700 mb: 7.42 C Showalter Index: 8.55 C Risk: None Total Totals Index: 47.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.60 C Cross Totals Index: 22.60 C K Index: 10.90 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 2.30 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.64 J/kg Max Up Vert Vel: 6.27 m/s Conv Inhibition (B-): 2606.87 J/kg Cap Strength: 11.95 C Lift Cond Lev (LCL): 910.25 mb = 709.23 m = 2326.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 33 at 16 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 ---------------------------------------------------------- 0 988 68 340 7 2.4 -6.6 | 239 13 11.0 6.6 1 925 584 325 15 8.6 -12.3 | 267 17 17.2 0.9 2 850 1242 350 13 2.3 -12.8 | 268 11 10.8 0.4 3 700 2723 5 21 -1.8 -20.9 | 319 10 6.8 -7.7 4 500 5170 10 27 -4.7 -26.6 | 344 14 3.9 -13.4 5 400 6700 10 35 -6.1 -34.5 | 353 21 2.5 -21.2 Wind Parameters Mean winds (0-6000m): 3.0 at 21.0 knts Storm direction: 33.0 at 15.8 knts Shear (0-3000m) pos: 2.4 neg: 1.4 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 84.2 deg Storm rel helicity (0-3000m) pos: 54.7 neg: -0.4 tot: 54.3 m^2/s^2 ave: 18.1 10^-3 m/s^2 rel: 0.70 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 2.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.84 Bulk Shear: 23.44 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 ------------------------------------------------------------------------------- 500 330 11 255 15| 0.0 8.4 8.4| 25.3 0.0 25.3 50.7 0.82| 8.5 7.0 1000 332 13 262 15| 2.4 4.2 6.6| 28.3 -0.1 28.2 28.2 0.58| 6.6 3.8 1500 338 13 265 13| 2.4 2.8 5.2| 33.3 -0.4 32.9 21.9 0.56| 5.6 3.1 2000 343 14 270 12| 2.4 2.1 4.5| 41.4 -0.4 41.1 20.5 0.63| 5.0 3.1 2500 349 15 276 12| 2.6 1.7 4.2| 49.8 -0.4 49.5 19.8 0.68| 4.6 3.2 3000 352 16 283 11| 2.4 1.4 3.8| 54.7 -0.4 54.3 18.1 0.70| 4.2 2.9 4000 357 18 295 10| 2.1 1.1 3.2| 61.1 -0.4 60.8 15.2 0.71| 3.5 2.5 5000 1 19 306 10| 2.0 0.8 2.8| 68.0 -0.4 67.7 13.5 0.72| 3.0 2.2 6000 3 21 316 11| 1.8 0.8 2.7| 76.4 -0.4 76.1 12.7 0.67| 3.0 2.0 Wrote GIF file: /home/apache/climate/data/raob//U3078/skewt/U3078.skewt.20251027.12.gif