UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122900.upa.cvt Date: 0000Z 29 DEC 25 Searching for U8275... Searching the city database file for: U8275 ... Date:0000Z 29 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 1004 52 -14.1 -16.7 81 2.6 -14.6 135 7 258.8 258.9 258.3 261.5 1.03 1 1000 82 -14.5 -18.3 73 3.8 -15.2 140 9 258.6 258.8 258.0 261.1 0.90 2 980 235 -15.9 -19.6 73 3.7 -16.5 157 12 258.7 258.9 257.9 261.0 0.82 3 962 375 -12.1 -15.2 78 3.1 -12.8 172 15 264.0 264.2 262.7 267.3 1.22 4 946 503 -12.1 -14.6 82 2.5 -12.6 186 18 265.2 265.4 263.8 268.8 1.30 5 926 667 -12.3 -15.0 80 2.7 -12.9 204 21 266.6 266.9 264.8 270.2 1.29 6 925 675 -12.1 -15.0 79 2.9 -12.8 205 21 266.9 267.1 265.0 270.5 1.29 7 898 904 -6.7 -9.9 78 3.2 -7.7 210 24 274.8 275.1 271.4 280.4 2.00 8 850 1330 -9.1 -12.3 78 3.2 -10.0 220 29 276.6 276.9 272.1 281.6 1.75 9 837 1449 -9.9 -13.1 77 3.2 -10.8 220 29 277.0 277.3 272.2 281.7 1.66 10 732 2476 -12.5 -16.2 74 3.7 -13.5 224 32 285.0 285.2 276.3 289.3 1.47 11 700 2816 -14.3 -18.1 73 3.8 -15.2 225 33 286.6 286.9 276.9 290.6 1.31 12 503 5238 -29.9 -34.0 67 4.1 -30.3 245 52 296.1 296.2 280.2 297.5 0.43 13 500 5280 -30.3 -34.3 68 4.0 -30.7 245 52 296.1 296.2 280.2 297.5 0.42 14 412 6630 -40.9 -45.0 65 4.1 -41.1 241 62 299.3 299.3 281.3 299.9 0.17 15 408 6696 -42.7 -47.1 62 4.4 -42.9 240 63 297.8 297.8 280.6 298.3 0.13 16 400 6830 -43.5 -47.9 62 4.4 -43.7 240 64 298.5 298.5 280.8 298.9 0.13 17 346 7785 -51.1 -55.0 63 3.9 -51.2 245 71 300.8 300.8 281.8 301.0 0.06 18 343 7841 -52.9 -57.1 60 4.2 -53.0 245 71 299.1 299.1 281.0 299.3 0.05 19 301 8669 -58.8 -62.9 59 4.1 -58.8 250 77 302.2 302.2 282.3 302.3 0.03 20 300 8690 -58.9 -63.0 59 4.1 -58.9 250 77 302.3 302.3 282.4 302.4 0.03 21 294 8817 -59.5 -63.7 58 4.2 -59.6 249 75 303.2 303.2 282.7 303.3 0.02 22 286 8989 -61.9 -65.9 59 4.0 -61.9 248 72 302.2 302.2 282.3 302.3 0.02 23 261 9554 -64.3 -68.4 57 4.1 -64.3 245 62 306.7 306.7 284.1 306.7 0.01 24 258 9625 -64.3 -68.4 57 4.1 -64.3 245 61 307.7 307.7 284.5 307.7 0.01 25 250 9820 -61.7 -65.7 59 4.0 -61.7 245 58 314.3 314.3 286.9 314.4 0.02 26 200 11210 -59.3 -63.6 57 4.3 -59.4 250 46 338.9 338.9 294.1 339.0 0.04 27 156 12780 -55.3 -59.9 56 4.6 -55.5 250 49 370.6 370.6 300.7 371.0 0.08 28 150 13030 -56.1 -60.9 55 4.8 -56.2 250 50 373.4 373.4 301.2 373.7 0.07 29 124 14236 -59.7 -64.7 52 5.0 -59.8 252 53 387.8 387.8 303.5 388.0 0.05 30 100 15580 -61.5 -67.5 45 6.0 -61.6 255 56 408.9 408.9 306.4 409.1 0.04 31 94 15962 -61.1 -67.1 45 6.0 -61.3 255 57 417.0 417.0 307.4 417.2 0.05 32 70 17780 -62.1 -69.1 39 7.0 -62.3 255 60 451.5 451.5 311.0 451.8 0.05 33 63 18425 -62.7 -68.7 44 6.0 -62.9 258 62 464.0 464.0 312.1 464.4 0.06 34 50 19830 -65.9 -72.9 37 7.0 -66.1 265 66 488.2 488.2 314.1 488.4 0.04 35 36 21818 -68.1 -75.1 36 7.0 -68.3 268 71 530.6 530.6 317.0 530.8 0.04 36 33 22344 -66.1 -73.1 37 7.0 -66.4 269 72 549.3 549.3 318.1 549.7 0.06 37 30 22920 -68.5 -75.5 36 7.0 -68.7 270 73 557.9 557.9 318.5 558.2 0.05 38 27 23550 -69.1 -76.1 36 7.0 -69.3 267 74 573.3 573.3 319.3 573.6 0.05 39 23 24515 -65.7 -73.7 32 8.0 -66.1 263 76 610.2 610.2 321.1 610.8 0.08 40 20 25360 -67.3 -74.3 36 7.0 -67.7 260 77 630.2 630.2 321.9 630.8 0.08 41 17 26337 -68.5 -75.5 36 7.0 -68.9 656.3 656.3 322.9 656.9 0.08 TRP 261 9554 -64.3 -68.4 57 4.1 -64.3 245 62 306.7 306.7 284.1 306.7 0.01 WND 301 8669 -58.8 -62.9 59 4.1 -58.8 250 77 302.2 302.2 282.3 302.3 0.03 Sounding variables and indices 1000-500 mb thick: 5198.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 73.32 % Est. max temperature: 3.62 C = 38.52 F Sfc-Lift cond lev (LCL): 962.53 mb = 371.06 m = 1217.36 ft T: -12.21 C 700-500 lapse rate: 6.49 C/km ThetaE index: 0.54 C Layer 1000.0- 962.0 mb Conv cond level (CCL): 992.89 mb = 135.89 m = 445.83 ft Mean mixing ratio: 1.20 g/kg Conv temperature: -14.17 C = 6.49 F Cap Strength: 23.69 C Lifted Index: 23.65 C Risk: None Lifted Index @300 mb: 24.75 C Lifted Index @700 mb: 18.32 C Showalter Index: 12.40 C Risk: None Total Totals Index: 39.20 C Risk: None Vertical Totals Index: 21.20 C Cross Totals Index: 18.00 C K Index: 5.10 Risk: None Sweat Index: 187.83 Risk: None Energy Index: 3.33 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 52.38 J/kg Max Up Vert Vel: 10.24 m/s Conv Inhibition (B-): 57191.95 J/kg Cap Strength: 23.48 C Lift Cond Lev (LCL): 909.84 mb = 802.56 m = 2633.03 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 262 at 27 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 1004 52 135 7 -4.9 4.9 | 92 32 -32.2 1.2 1 1000 82 140 9 -5.8 6.9 | 95 33 -33.0 3.1 2 925 675 205 21 8.9 19.0 | 130 24 -18.4 15.3 3 850 1330 220 29 18.6 22.2 | 155 20 -8.6 18.5 4 700 2816 225 33 23.3 23.3 | 169 20 -3.9 19.6 5 500 5280 245 52 47.1 22.0 | 228 27 19.9 18.2 6 400 6830 240 64 55.4 32.0 | 225 40 28.2 28.2 7 301 8669 250 77 72.4 26.3 | 243 50 45.1 22.6 8 300 8690 250 77 72.4 26.3 | 243 50 45.1 22.6 9 261 9554 245 62 56.2 26.2 | 232 37 29.0 22.4 10 250 9820 245 58 52.6 24.5 | 231 33 25.3 20.8 11 200 11210 250 46 43.2 15.7 | 233 20 16.0 12.0 12 150 13030 250 50 47.0 17.1 | 236 24 19.7 13.3 13 100 15580 255 56 54.1 14.5 | 248 29 26.9 10.7 14 70 17780 255 60 58.0 15.5 | 249 33 30.7 11.8 15 50 19830 265 66 65.7 5.8 | 267 39 38.5 2.0 16 30 22920 270 73 73.0 -0.0 | 275 46 45.8 -3.8 17 20 25360 260 77 75.8 13.4 | 259 50 48.6 9.6 Wind Parameters Mean winds (0-6000m): 232.1 at 36.7 knts Storm direction: 262.1 at 27.5 knts Shear (0-3000m) pos: 6.1 neg: 0.0 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 82.7 deg Storm rel helicity (0-3000m) pos: 253.0 neg: 0.0 tot: 253.0 m^2/s^2 ave: 84.3 10^-3 m/s^2 rel: 0.91 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 6.3 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 0.39 Bulk Shear: 133.33 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 ------------------------------------------------------------------------------- 500 174 13 108 30| 16.2 0.0 16.2|133.6 0.0 133.6 267.1 0.91| 18.1 16.5 1000 198 18 121 25| 12.9 0.0 12.9|192.1 0.0 192.1 192.1 0.88| 14.7 13.0 1500 208 21 131 23| 10.3 0.0 10.3|219.8 0.0 219.8 146.6 0.89| 11.6 10.4 2000 212 23 137 22| 8.1 0.0 8.1|228.4 0.0 228.4 114.2 0.90| 9.1 8.2 2500 215 25 143 21| 6.8 0.0 6.8|237.1 0.0 237.1 94.8 0.90| 7.6 6.9 3000 217 26 147 21| 6.1 0.0 6.1|253.0 0.0 253.0 84.3 0.91| 6.9 6.3 4000 222 29 157 20| 5.7 0.0 5.7|304.1 0.0 304.1 76.0 0.92| 6.4 5.9 5000 228 33 171 19| 5.4 0.0 5.4|362.9 0.0 362.9 72.6 0.92| 6.1 5.7 6000 232 37 185 19| 4.9 0.4 5.2|377.6 -4.3 373.3 62.2 0.83| 5.9 4.9 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20251229.00.gif