UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122400.upa.cvt Date: 0000Z 24 DEC 25 Searching for U8275... Searching the city database file for: U8275 ... Date:0000Z 24 DEC 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 1000 50 -8.9 -12.1 78 3.2 -9.7 225 1 264.2 264.5 263.4 268.3 1.51 1 962 349 -11.5 -14.4 79 2.9 -12.2 252 6 264.6 264.8 263.3 268.1 1.30 2 925 650 -11.5 -13.9 82 2.4 -12.1 280 11 267.5 267.8 265.6 271.4 1.41 3 902 843 -11.3 -13.5 84 2.2 -11.8 276 12 269.7 269.9 267.3 273.8 1.49 4 850 1296 -13.5 -16.5 78 3.0 -14.2 265 13 272.0 272.2 268.3 275.5 1.24 5 791 1843 -14.7 -17.9 77 3.2 -15.4 263 15 276.4 276.6 271.0 279.8 1.18 6 700 2761 -19.7 -23.4 72 3.7 -20.3 260 19 280.7 280.8 273.0 283.2 0.83 7 654 3263 -22.5 -25.7 75 3.2 -23.0 255 21 283.0 283.1 274.1 285.2 0.72 8 510 5033 -37.5 -41.6 65 4.1 -37.7 236 28 285.7 285.7 274.8 286.3 0.19 9 500 5170 -36.9 -40.8 67 3.9 -37.1 235 29 288.0 288.1 276.0 288.8 0.22 10 497 5211 -36.9 -40.8 67 3.9 -37.1 235 29 288.5 288.6 276.3 289.3 0.22 11 430 6198 -42.5 -48.5 52 6.0 -42.8 235 35 293.6 293.6 278.6 294.0 0.11 12 407 6565 -46.5 -53.5 45 7.0 -46.7 235 37 293.1 293.1 278.3 293.3 0.06 13 400 6680 -46.7 -53.7 45 7.0 -46.9 235 38 294.3 294.3 278.9 294.5 0.06 14 346 7635 -51.9 -58.9 43 7.0 -52.0 230 42 299.7 299.7 281.3 299.9 0.04 15 300 8560 -52.9 -60.9 37 8.0 -53.1 230 46 310.8 310.8 285.7 310.9 0.04 16 250 9730 -54.3 -63.3 32 9.0 -54.5 230 48 325.3 325.3 290.4 325.5 0.03 17 200 11150 -55.3 -65.3 28 10.0 -55.5 235 52 345.2 345.2 295.6 345.3 0.03 18 150 12980 -55.9 -67.9 21 12.0 -56.2 245 50 373.8 373.8 301.2 373.9 0.03 19 100 15520 -63.5 -75.5 18 12.0 -63.7 255 56 405.0 405.0 305.9 405.1 0.01 20 94 15899 -64.1 -77.1 15 13.0 -64.3 411.1 411.1 306.6 411.1 0.01 21 75 17275 -66.1 -79.1 15 13.0 -66.2 434.3 434.3 309.3 434.4 0.01 TRP 346 7635 -51.9 -58.9 43 7.0 -52.0 230 42 299.7 299.7 281.3 299.9 0.04 WND Sounding variables and indices 1000-500 mb thick: 5120.46 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 74.39 % Est. max temperature: -1.15 C = 29.94 F Sfc-Lift cond lev (LCL): 950.07 mb = 444.52 m = 1458.40 ft T: -11.50 C 700-500 lapse rate: 7.14 C/km ThetaE index: 0.22 C Layer 962.0- 925.0 mb Conv cond level (CCL): 758.83 mb = 2154.86 m = 7069.65 ft Mean mixing ratio: 1.40 g/kg Conv temperature: 4.69 C = 40.44 F Cap Strength: 13.16 C Lifted Index: 14.99 C Risk: None Lifted Index @300 mb: 28.94 C Lifted Index @700 mb: 10.81 C Showalter Index: 10.54 C Risk: None Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 23.40 C Cross Totals Index: 20.40 C K Index: 3.20 Risk: None Sweat Index: 55.00 Risk: None Energy Index: 2.81 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.23 J/kg Max Up Vert Vel: 6.36 m/s Conv Inhibition (B-): 26430.01 J/kg Cap Strength: 13.51 C Lift Cond Lev (LCL): 908.17 mb = 790.65 m = 2593.96 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 278 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 1000 50 225 1 0.7 0.7 | 101 15 -14.4 2.9 1 1000 50 225 1 0.7 0.7 | 101 15 -14.4 2.9 2 925 650 280 11 10.8 -1.9 | 94 4 -4.2 0.3 3 850 1296 265 13 13.0 1.1 | 147 4 -2.1 3.3 4 700 2761 260 19 18.7 3.3 | 214 7 3.6 5.5 5 500 5170 235 29 23.8 16.6 | 205 21 8.7 18.8 6 400 6680 235 38 31.1 21.8 | 214 29 16.1 24.0 7 346 7635 230 42 32.2 27.0 | 210 34 17.1 29.2 8 300 8560 230 46 35.2 29.6 | 212 38 20.2 31.7 9 250 9730 230 48 36.8 30.9 | 213 40 21.7 33.0 10 200 11150 235 52 42.6 29.8 | 221 42 27.5 32.0 11 150 12980 245 50 45.3 21.1 | 232 38 30.3 23.3 12 100 15520 255 56 54.1 14.5 | 247 42 39.0 16.7 Wind Parameters Mean winds (0-6000m): 248.2 at 20.3 knts Storm direction: 278.2 at 15.2 knts Shear (0-3000m) pos: 1.5 neg: 1.9 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 113.2 deg Storm rel helicity (0-3000m) pos: 18.7 neg: -2.8 tot: 15.9 m^2/s^2 ave: 5.3 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.64 Bulk Shear: 31.73 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 ------------------------------------------------------------------------------- 500 267 5 104 10| 8.9 0.0 8.9| 9.2 -0.9 8.3 16.5 0.24| 9.7 2.3 1000 275 8 101 7| 4.5 1.5 6.0| 11.2 -2.8 8.4 8.4 0.20| 7.2 1.5 1500 271 10 111 6| 3.0 1.7 4.6| 13.6 -2.8 10.8 7.2 0.32| 5.7 1.8 2000 268 11 122 5| 2.2 1.8 4.0| 15.7 -2.8 12.8 6.4 0.39| 4.8 1.9 2500 266 12 137 4| 1.8 1.9 3.7| 17.7 -2.8 14.9 5.9 0.42| 4.3 1.8 3000 265 13 154 4| 1.5 1.9 3.4| 18.7 -2.8 15.9 5.3 0.40| 4.0 1.6 4000 260 16 184 5| 1.1 2.1 3.2| 18.7 -4.7 14.0 3.5 0.30| 3.7 1.1 5000 253 18 196 8| 0.9 2.2 3.1| 18.7 -12.9 5.8 1.2 0.20| 3.6 0.7 6000 248 20 201 10| 0.7 2.3 3.1| 32.9 -14.2 18.7 3.1 0.22| 3.5 0.8 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20251224.00.gif