UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 18 OCT 25 Station: U2271 WMO ident: 22271 Latitude: 67.88 Longitude: 44.13 ------------------------------------------------------------------------------- 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 1008 10 4.8 -2.2 60 7.0 2.0 225 13 277.3 277.9 274.7 286.2 3.22 1 1000 75 3.8 -6.2 48 10.0 0.1 235 17 277.0 277.4 273.3 283.7 2.40 2 991 148 3.0 -8.0 44 11.0 -0.9 236 17 276.9 277.2 272.8 282.8 2.11 3 925 700 -2.1 -12.1 46 10.0 -5.1 245 21 277.2 277.4 272.2 281.8 1.63 4 887 1032 -5.1 -16.1 42 11.0 -8.0 247 22 277.4 277.6 271.7 281.0 1.23 5 850 1366 -7.1 -19.1 38 12.0 -9.9 250 23 278.7 278.9 272.1 281.6 0.99 6 715 2688 -17.5 -30.5 31 13.0 -19.4 246 19 281.4 281.5 272.7 282.7 0.42 7 700 2847 -18.1 -32.1 28 14.0 -20.0 245 19 282.4 282.5 273.2 283.6 0.37 8 630 3626 -21.5 -40.5 16 19.0 -23.4 259 20 287.2 287.2 275.5 287.8 0.18 9 518 5040 -29.7 -41.7 30 12.0 -30.7 285 21 293.8 293.9 278.9 294.5 0.19 10 500 5290 -31.9 -42.9 33 11.0 -32.7 290 21 294.1 294.2 279.0 294.7 0.17 11 470 5726 -35.7 -45.7 35 10.0 -36.3 291 20 294.7 294.7 279.1 295.2 0.14 12 403 6780 -44.9 -54.9 32 10.0 -45.2 295 17 296.0 296.0 279.6 296.2 0.06 13 400 6830 -44.9 -54.9 32 10.0 -45.2 295 17 296.6 296.6 279.9 296.8 0.06 14 321 8269 -55.1 -64.1 32 9.0 -55.2 299 20 301.8 301.8 282.1 301.9 0.02 15 300 8700 -56.3 -65.3 31 9.0 -56.4 300 21 306.0 306.0 283.8 306.1 0.02 16 290 8913 -56.5 -65.5 31 9.0 -56.6 296 21 308.7 308.7 284.8 308.8 0.02 17 250 9860 -50.9 -60.9 30 10.0 -51.1 280 19 330.4 330.4 291.9 330.6 0.04 18 236 10240 -49.1 -59.1 30 10.0 -49.4 279 18 338.6 338.6 294.0 338.8 0.06 19 200 11330 -51.1 -64.1 20 13.0 -51.4 275 15 351.8 351.9 297.1 352.0 0.03 20 192 11593 -51.9 -65.9 17 14.0 -52.2 274 15 354.7 354.7 297.7 354.8 0.03 21 176 12157 -48.5 -64.5 14 16.0 -49.1 271 14 369.2 369.2 300.5 369.4 0.04 22 150 13200 -49.7 -68.7 9 19.0 -50.3 265 13 384.4 384.4 303.0 384.5 0.02 23 135 13888 -51.9 -71.9 7 20.0 -52.4 268 11 392.3 392.3 304.1 392.4 0.02 24 116 14876 -50.9 -72.9 6 22.0 -51.6 271 9 411.5 411.5 306.7 411.6 0.02 25 100 15830 -57.7 -79.7 4 22.0 -58.1 275 7 416.2 416.2 307.3 416.3 0.01 TRP 300 8700 -56.3 -65.3 31 9.0 -56.4 300 21 306.0 306.0 283.8 306.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5215.00 m Freezing level: 952.18 mb = 472.77 m = 1551.08 ft Wetbulb zero: 998.76 mb = 85.02 m = 278.94 ft Precipitable water: 0.17 inches Sfc-500 mean rel hum: 31.55 % Est. max temperature: 5.91 C = 42.63 F Sfc-Lift cond lev (LCL): 904.76 mb = 875.07 m = 2870.92 ft T: -3.68 C 700-500 lapse rate: 5.65 C/km ThetaE index: 5.29 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 780.39 mb = 2019.25 m = 6624.74 ft Mean mixing ratio: 1.91 g/kg Conv temperature: 7.57 C = 45.63 F Cap Strength: 10.07 C Lifted Index: 10.09 C Risk: None Lifted Index @300 mb: 16.69 C Lifted Index @700 mb: 2.74 C Showalter Index: 10.74 C Risk: None Total Totals Index: 37.60 C Risk: None Vertical Totals Index: 24.80 C Cross Totals Index: 12.80 C K Index: -8.30 Risk: None Sweat Index: 172.35 Risk: None Energy Index: 2.71 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.10 J/kg Max Up Vert Vel: 1.48 m/s Conv Inhibition (B-): 16987.98 J/kg Cap Strength: 10.07 C Lift Cond Lev (LCL): 816.71 mb = 1671.50 m = 5483.87 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 291 at 15 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 1008 10 225 13 9.2 9.2 | 161 15 -5.1 14.5 1 1000 75 235 17 13.9 9.8 | 179 15 -0.3 15.1 2 925 700 245 21 19.0 8.9 | 199 15 4.8 14.2 3 850 1366 250 23 21.6 7.9 | 209 15 7.3 13.2 4 700 2847 245 19 17.2 8.0 | 192 14 3.0 13.4 5 500 5290 290 21 19.7 -7.2 | 289 6 5.5 -1.8 6 400 6830 295 17 15.4 -7.2 | 328 2 1.1 -1.8 7 300 8700 300 21 18.2 -10.5 | 323 6 3.9 -5.2 8 250 9860 280 19 18.7 -3.3 | 245 5 4.4 2.0 9 200 11330 275 15 14.9 -1.3 | 189 4 0.7 4.0 10 150 13200 265 13 13.0 1.1 | 169 7 -1.3 6.5 11 100 15830 275 7 7.0 -0.6 | 123 9 -7.3 4.7 Wind Parameters Mean winds (0-6000m): 260.5 at 20.3 knts Storm direction: 290.5 at 15.2 knts Shear (0-3000m) pos: 2.0 neg: 0.5 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 34.8 deg Storm rel helicity (0-3000m) pos: 52.2 neg: -14.9 tot: 37.3 m^2/s^2 ave: 12.4 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 3.0 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.13 Bulk Shear: 8.19 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 ------------------------------------------------------------------------------- 500 238 18 184 15| 8.5 0.0 8.5| 33.1 0.0 33.1 66.2 1.00| 8.6 8.6 1000 242 20 192 15| 5.7 0.0 5.7| 44.6 0.0 44.6 44.6 1.00| 5.8 5.8 1500 245 21 197 15| 4.1 0.0 4.1| 50.1 -1.1 49.0 32.6 0.95| 4.4 4.2 2000 246 21 199 15| 3.1 0.4 3.5| 50.1 -6.6 43.5 21.8 0.76| 3.7 2.8 2500 246 21 199 15| 2.5 0.6 3.1| 50.1 -11.8 38.2 15.3 0.60| 3.3 2.0 3000 246 21 198 14| 2.0 0.5 2.5| 52.2 -14.9 37.3 12.4 0.52| 3.0 1.6 4000 249 20 200 14| 2.0 0.4 2.4| 65.4 -14.9 50.5 12.6 0.58| 3.1 1.8 5000 254 20 206 12| 2.1 0.3 2.4| 76.2 -14.9 61.2 12.2 0.64| 3.2 2.0 6000 261 20 214 10| 1.7 0.3 2.0| 80.1 -14.9 65.2 10.9 0.65| 3.0 1.9 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251018.12.gif