UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122100.upa.cvt Date: 0000Z 21 DEC 25 Searching for U8275... Searching the city database file for: U8275 ... Date:0000Z 21 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 1022 49 -36.9 -40.8 67 3.9 -37.0 225 1 234.8 234.8 234.7 235.1 0.11 1 1005 167 -30.9 -35.7 63 4.8 -31.2 248 3 241.9 241.9 241.6 242.4 0.18 2 1000 202 -29.7 -34.5 63 4.8 -30.0 255 3 243.4 243.5 243.2 244.0 0.20 3 925 773 -19.9 -24.4 67 4.5 -20.5 280 7 259.0 259.1 257.5 260.6 0.57 4 868 1247 -16.9 -21.1 70 4.2 -17.6 295 12 266.8 267.0 264.0 269.1 0.82 5 850 1404 -16.9 -21.0 70 4.1 -17.6 300 13 268.4 268.6 265.2 270.8 0.84 6 822 1656 -17.5 -21.8 69 4.3 -18.3 303 14 270.4 270.5 266.5 272.7 0.81 7 707 2779 -21.9 -33.9 33 12.0 -23.2 314 19 277.4 277.5 270.2 278.4 0.31 8 700 2852 -22.3 -34.3 33 12.0 -23.6 315 19 277.8 277.8 270.4 278.7 0.30 9 568 4366 -28.3 -48.3 13 20.0 -29.6 337 35 287.8 287.9 275.7 288.1 0.08 10 564 4417 -28.5 -46.5 16 18.0 -29.7 337 35 288.2 288.2 275.9 288.5 0.10 11 500 5270 -33.5 -43.5 36 10.0 -34.2 350 44 292.2 292.2 278.0 292.7 0.16 12 439 6169 -38.9 -46.9 43 8.0 -39.3 344 58 296.4 296.5 280.0 296.9 0.13 13 400 6800 -42.7 -49.7 46 7.0 -43.0 340 68 299.5 299.5 281.3 299.9 0.10 14 357 7563 -45.9 -51.9 51 6.0 -46.1 340 79 305.1 305.1 283.5 305.4 0.09 15 342 7846 -49.1 -55.1 50 6.0 -49.3 340 83 304.5 304.5 283.3 304.8 0.06 16 300 8700 -52.5 -58.5 48 6.0 -52.6 340 95 311.3 311.4 285.9 311.5 0.05 17 252 9810 -58.0 -64.0 46 6.0 -58.1 340 108 319.0 319.0 288.5 319.2 0.03 18 250 9860 -58.3 -64.3 46 6.0 -58.4 340 108 319.4 319.4 288.6 319.5 0.03 19 240 10118 -58.9 -64.9 46 6.0 -59.0 340 102 322.2 322.2 289.5 322.3 0.03 20 200 11260 -61.9 -67.9 45 6.0 -62.0 340 73 334.7 334.7 293.0 334.8 0.02 21 198 11322 -62.1 -68.1 44 6.0 -62.1 335 71 335.4 335.4 293.2 335.5 0.02 22 179 11950 -58.5 -64.5 46 6.0 -58.6 330 63 351.1 351.1 296.9 351.2 0.04 23 150 13060 -58.7 -65.7 40 7.0 -58.9 320 48 368.9 369.0 300.4 369.1 0.04 24 142 13404 -59.3 -66.3 40 7.0 -59.5 317 48 373.7 373.7 301.2 373.9 0.04 25 100 15600 -59.1 -69.1 26 10.0 -59.3 300 46 413.5 413.5 307.0 413.7 0.03 26 94 15984 -61.1 -71.1 25 10.0 -61.3 295 49 417.0 417.0 307.4 417.1 0.03 27 77 17213 -62.7 -72.7 25 10.0 -62.9 278 58 438.1 438.1 309.7 438.3 0.03 28 70 17800 -61.5 -72.5 22 11.0 -61.8 270 62 452.8 452.8 311.1 453.0 0.03 29 66 18164 -61.9 -72.9 22 11.0 -62.2 271 59 459.6 459.6 311.8 459.8 0.03 30 54 19394 -65.5 -76.5 20 11.0 -65.7 274 50 478.5 478.5 313.4 478.6 0.02 31 50 19860 -66.9 -78.9 17 12.0 -67.1 275 46 485.8 485.8 313.9 485.9 0.02 32 36 21825 -72.7 -83.7 17 11.0 -72.8 269 59 518.7 518.7 316.2 518.7 0.01 33 30 22900 -72.5 -84.5 15 12.0 -72.6 265 66 547.0 547.0 317.9 547.1 0.01 34 20 25330 -68.5 -80.5 16 12.0 -68.9 260 54 626.5 626.5 321.7 626.7 0.03 35 12 28461 -59.3 -73.3 15 14.0 -61.2 757.6 757.7 326.2 759.1 0.16 36 11 29016 -51.7 -66.7 15 15.0 -55.5 804.3 804.6 327.4 808.8 0.44 TRP 198 11322 -62.1 -68.1 44 6.0 -62.1 335 71 335.4 335.4 293.2 335.5 0.02 WND 252 9810 -58.0 -64.0 46 6.0 -58.1 340 108 319.0 319.0 288.5 319.2 0.03 Sounding variables and indices 1000-500 mb thick: 5068.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 42.90 % Est. max temperature: -5.23 C = 22.59 F Sfc-Lift cond lev (LCL): 955.19 mb = 537.80 m = 1764.41 ft T: -23.94 C 700-500 lapse rate: 4.63 C/km Conv cond level (CCL): 1005.00 mb = 166.55 m = 546.43 ft Mean mixing ratio: 0.35 g/kg Conv temperature: -27.83 C = -18.10 F Cap Strength: 32.56 C Lifted Index: 34.74 C Risk: None Lifted Index @300 mb: 43.57 C Lifted Index @700 mb: 25.38 C Showalter Index: 17.69 C Risk: None Total Totals Index: 29.10 C Risk: None Vertical Totals Index: 16.60 C Cross Totals Index: 12.50 C K Index: -16.40 Risk: None Sweat Index: 70.00 Risk: None Energy Index: 4.63 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 60.22 J/kg Max Up Vert Vel: 10.97 m/s Conv Inhibition (B-): 74737.50 J/kg Cap Strength: 34.65 C Lift Cond Lev (LCL): 922.04 mb = 796.87 m = 2614.36 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 4 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 1022 49 225 1 0.7 0.7 | 186 19 2.0 19.2 1 1000 202 255 3 2.9 0.8 | 192 20 4.2 19.3 2 925 773 280 7 6.9 -1.2 | 205 19 8.2 17.3 3 850 1404 300 13 11.3 -6.5 | 226 17 12.5 12.0 4 700 2852 315 19 13.4 -13.4 | 251 16 14.7 5.1 5 500 5270 350 44 7.6 -43.3 | 340 26 8.9 -24.8 6 400 6800 340 68 23.3 -63.9 | 332 52 24.5 -45.4 7 300 8700 340 95 32.5 -89.3 | 334 78 33.8 -70.7 8 252 9810 340 108 36.9 -101.5 | 335 91 38.2 -83.0 9 250 9860 340 108 36.9 -101.5 | 335 91 38.2 -83.0 10 200 11260 340 73 25.0 -68.6 | 332 57 26.3 -50.1 11 198 11322 335 71 30.0 -64.3 | 326 55 31.3 -45.8 12 150 13060 320 48 30.9 -36.8 | 300 37 32.1 -18.2 13 100 15600 300 46 39.8 -23.0 | 276 41 41.1 -4.5 14 70 17800 270 62 62.0 -0.0 | 254 66 63.3 18.5 15 50 19860 275 46 45.8 -4.0 | 253 49 47.1 14.5 16 30 22900 265 66 65.7 5.8 | 250 71 67.0 24.3 17 20 25330 260 54 53.2 9.4 | 243 61 54.5 27.9 Wind Parameters Mean winds (0-6000m): 334.0 at 24.8 knts Storm direction: 4.0 at 18.6 knts Shear (0-3000m) pos: 3.6 neg: 0.0 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 73.3 deg Storm rel helicity (0-3000m) pos: 107.6 neg: 0.0 tot: 107.6 m^2/s^2 ave: 35.9 10^-3 m/s^2 rel: 0.97 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 3.9 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.79 Bulk Shear: 75.76 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 ------------------------------------------------------------------------------- 500 262 4 194 20| 4.9 0.0 4.9| 25.2 0.0 25.2 50.5 0.98| 5.1 5.0 1000 276 5 200 19| 4.7 0.0 4.7| 48.9 0.0 48.9 48.9 0.98| 5.0 4.9 1500 288 8 207 18| 4.6 0.0 4.6| 70.4 0.0 70.4 46.9 0.97| 5.0 4.8 2000 294 9 213 18| 4.0 0.0 4.0| 81.0 0.0 81.0 40.5 0.97| 4.4 4.2 2500 299 11 219 17| 3.6 0.0 3.6| 91.7 0.0 91.7 36.7 0.97| 4.0 3.9 3000 304 12 224 16| 3.6 0.0 3.6|107.6 0.0 107.6 35.9 0.97| 4.0 3.9 4000 313 15 238 15| 4.1 0.0 4.1|160.5 0.0 160.5 40.1 0.97| 4.6 4.5 5000 326 20 261 13| 4.3 0.0 4.3|229.9 0.0 229.9 46.0 0.95| 5.1 4.8 6000 334 25 287 13| 4.2 0.7 4.9|247.5 -19.9 227.6 37.9 0.72| 5.6 4.1 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20251221.00.gif