UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122112.upa.cvt Date: 1200Z 21 DEC 25 Searching for U8275... Searching the city database file for: U8275 ... Date:1200Z 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 1006 51 -21.1 -24.1 77 3.0 -21.5 135 13 251.6 251.7 251.3 253.1 0.54 1 1000 95 -21.3 -25.2 71 3.9 -21.7 150 15 251.9 251.9 251.4 253.2 0.49 2 990 169 -22.1 -26.1 70 4.0 -22.5 159 19 251.8 251.8 251.3 253.0 0.46 3 943 529 -20.7 -24.5 72 3.8 -21.2 203 38 256.7 256.8 255.7 258.3 0.56 4 925 671 -21.7 -25.4 72 3.7 -22.1 220 46 257.1 257.2 255.9 258.6 0.52 5 916 743 -22.1 -25.7 73 3.6 -22.5 223 46 257.4 257.5 256.2 258.9 0.51 6 886 991 -12.5 -15.6 78 3.1 -13.2 235 46 269.8 270.0 267.0 273.4 1.28 7 850 1305 -13.9 -17.1 77 3.2 -14.6 250 46 271.6 271.8 268.0 274.9 1.18 8 811 1661 -15.7 -19.0 76 3.3 -16.4 257 50 273.3 273.5 268.9 276.4 1.05 9 715 2623 -9.7 -12.6 79 2.9 -10.6 277 60 290.0 290.3 279.6 296.0 2.03 10 700 2787 -10.7 -13.6 79 2.9 -11.6 280 62 290.6 291.0 279.7 296.4 1.91 11 563 4425 -22.1 -25.3 75 3.2 -22.7 283 58 295.9 296.0 280.7 298.6 0.87 12 500 5290 -26.5 -29.8 74 3.3 -27.0 285 56 300.7 300.8 282.5 302.9 0.65 13 463 5843 -29.9 -33.4 71 3.5 -30.3 287 60 303.2 303.3 283.3 304.8 0.49 14 400 6870 -38.5 -42.1 69 3.6 -38.8 290 69 305.0 305.0 283.7 305.8 0.24 15 342 7925 -47.1 -50.5 68 3.4 -47.2 295 74 307.2 307.3 284.4 307.6 0.11 16 300 8780 -52.5 -56.1 65 3.6 -52.6 300 79 311.3 311.4 285.9 311.6 0.06 17 294 8911 -53.3 -57.1 63 3.8 -53.4 301 81 312.0 312.0 286.1 312.2 0.06 18 284 9133 -55.9 -59.5 64 3.6 -56.0 303 84 311.4 311.4 285.9 311.6 0.04 19 250 9940 -59.7 -63.5 61 3.8 -59.7 310 97 317.3 317.3 287.9 317.4 0.03 20 232 10407 -62.1 -66.0 60 3.9 -62.1 305 99 320.5 320.5 288.9 320.6 0.02 21 217 10819 -64.3 -68.2 59 3.9 -64.3 305 97 323.3 323.3 289.8 323.4 0.02 22 200 11320 -64.7 -68.6 58 3.9 -64.7 300 95 330.3 330.3 291.8 330.4 0.02 23 187 11727 -64.9 -68.8 58 3.9 -65.0 301 86 336.4 336.4 293.4 336.5 0.02 24 176 12098 -61.3 -65.0 61 3.7 -61.4 302 79 348.2 348.2 296.3 348.3 0.03 25 150 13080 -63.1 -67.2 57 4.1 -63.1 305 58 361.4 361.4 299.0 361.5 0.03 26 137 13636 -64.9 -68.8 58 3.9 -65.0 302 54 367.7 367.7 300.2 367.8 0.03 27 100 15560 -64.7 -68.8 57 4.1 -64.8 290 42 402.7 402.7 305.6 402.9 0.04 28 89 16272 -65.9 -69.8 58 3.9 -66.0 287 43 414.0 414.0 307.0 414.2 0.04 29 76 17238 -64.3 -68.6 55 4.3 -64.4 282 44 436.4 436.5 309.6 436.7 0.05 30 70 17740 -66.5 -70.6 56 4.1 -66.6 280 44 442.1 442.1 310.1 442.3 0.04 31 64 18279 -67.7 -72.0 54 4.3 -67.8 276 45 451.0 451.0 311.0 451.2 0.04 32 50 19760 -68.1 -72.5 53 4.4 -68.2 265 46 483.0 483.0 313.7 483.3 0.04 33 46 20259 -69.7 -74.0 53 4.3 -69.8 265 47 490.8 490.8 314.3 491.0 0.04 34 40 21095 -68.3 -72.8 52 4.5 -68.4 265 48 514.3 514.4 315.9 514.7 0.05 35 32 22426 -70.9 -74.9 55 4.0 -71.0 265 49 541.3 541.3 317.6 541.6 0.05 36 30 22810 -69.7 -74.1 52 4.4 -69.8 265 50 554.6 554.6 318.3 555.0 0.06 37 20 25270 -61.7 -66.2 55 4.5 -62.2 260 71 647.3 647.4 322.7 649.4 0.26 TRP 217 10819 -64.3 -68.2 59 3.9 -64.3 305 97 323.3 323.3 289.8 323.4 0.02 WND 232 10407 -62.1 -66.0 60 3.9 -62.1 305 99 320.5 320.5 288.9 320.6 0.02 Sounding variables and indices 1000-500 mb thick: 5195.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.26 inches Sfc-500 mean rel hum: 75.87 % Est. max temperature: -1.40 C = 29.48 F Sfc-Lift cond lev (LCL): 957.28 mb = 417.50 m = 1369.74 ft T: -21.13 C 700-500 lapse rate: 6.31 C/km ThetaE index: 0.17 C Layer 990.0- 943.0 mb Conv cond level (CCL): 436.18 mb = 6262.27 m = 20545.24 ft Mean mixing ratio: 0.52 g/kg Conv temperature: 31.32 C = 88.37 F Cap Strength: 33.43 C Lifted Index: 36.23 C Risk: None Lifted Index @300 mb: 38.77 C Lifted Index @700 mb: 31.06 C Showalter Index: 21.41 C Risk: None Total Totals Index: 22.00 C Risk: None Vertical Totals Index: 12.60 C Cross Totals Index: 9.40 C K Index: -7.40 Risk: None Sweat Index: 244.70 Risk: None Energy Index: 5.96 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.01 J/kg Max Up Vert Vel: 7.62 m/s Conv Inhibition (B-): 54423.96 J/kg Cap Strength: 35.89 C Lift Cond Lev (LCL): 897.28 mb = 896.46 m = 2941.11 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 302 at 40 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 1006 51 135 13 -9.2 9.2 | 125 53 -43.1 30.4 1 1000 95 150 15 -7.5 13.0 | 130 54 -41.4 34.2 2 925 671 220 46 29.6 35.2 | 176 57 -4.4 56.4 3 850 1305 250 46 43.2 15.7 | 194 38 9.3 36.9 4 700 2787 280 62 61.1 -10.8 | 249 29 27.1 10.4 5 500 5290 285 56 54.1 -14.5 | 252 21 20.2 6.7 6 400 6870 290 69 64.8 -23.6 | 274 31 30.9 -2.4 7 300 8780 300 79 68.4 -39.5 | 298 39 34.5 -18.3 8 250 9940 310 97 74.3 -62.4 | 316 58 40.4 -41.2 9 232 10407 305 99 81.1 -56.8 | 307 59 47.2 -35.6 10 217 10819 305 97 79.5 -55.6 | 307 57 45.5 -34.5 11 200 11320 300 95 82.3 -47.5 | 299 55 48.3 -26.3 12 150 13080 305 58 47.5 -33.3 | 312 18 13.6 -12.1 13 100 15560 290 42 39.5 -14.4 | 219 9 5.5 6.8 14 70 17740 280 44 43.3 -7.6 | 215 16 9.4 13.5 15 50 19760 265 46 45.8 4.0 | 205 28 11.9 25.2 16 30 22810 265 50 49.8 4.4 | 212 30 15.9 25.5 17 20 25270 260 71 69.9 12.3 | 227 49 36.0 33.5 Wind Parameters Mean winds (0-6000m): 272.0 at 53.3 knts Storm direction: 302.0 at 40.0 knts Shear (0-3000m) pos: 12.4 neg: 0.0 tot: 12.4 10-3/s Storm rel Dir Shear (0-3000m): 124.2 deg Storm rel helicity (0-3000m) pos: 1250.7 neg: 0.0 tot: 1250.7 m^2/s^2 ave: 416.9 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 18.9 stream: 16.8 10^-3/s Energy-Hel index: 0.20 Bulk Rich Number: 0.07 Bulk Shear: 422.70 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 ------------------------------------------------------------------------------- 500 189 26 147 56| 38.3 0.0 38.3|598.4 0.0 598.4 1196.8 0.97| 41.5 40.0 1000 216 36 165 51| 26.0 0.0 26.0|917.1 0.0 917.1 917.1 0.91| 34.6 31.3 1500 229 39 175 47| 19.3 0.0 19.3|1025.2 0.01025.2 683.5 0.87| 28.0 24.4 2000 239 42 183 43| 16.3 0.0 16.3|1115.3 0.01115.3 557.6 0.88| 23.7 20.8 2500 248 45 192 39| 14.4 0.0 14.4|1205.8 0.01205.8 482.3 0.89| 21.3 18.9 3000 255 48 200 36| 12.4 0.0 12.4|1250.7 0.01250.7 416.9 0.89| 18.9 16.8 4000 263 51 211 32| 9.0 0.0 9.0|1254.4 0.01254.4 313.6 0.87| 14.6 12.6 5000 268 52 219 29| 7.0 0.0 7.0|1257.0 0.01257.0 251.4 0.85| 12.0 10.2 6000 272 53 225 27| 6.3 0.0 6.3|1289.0 0.01289.0 214.8 0.84| 10.6 8.9 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20251221.12.gif