UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for U8445... Searching the city database file for: U8445 ... Date:0000Z 4 DEC 25 Station: U8445 WMO ident: 28445 Latitude: 56.73 Longitude: 61.07 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 170 SFC 985 291 -0.7 -3.9 79 3.2 -1.9 280 1 273.6 274.1 272.1 281.6 2.90 2 925 789 -5.5 -8.4 80 2.9 -6.4 270 25 273.7 274.0 271.0 279.8 2.19 3 880 1178 -7.9 -9.6 88 1.7 -8.4 282 26 275.1 275.5 271.7 281.0 2.09 4 877 1205 -5.3 -7.1 87 1.8 -5.9 283 26 278.1 278.5 274.2 285.3 2.55 5 871 1259 -5.3 -7.1 87 1.8 -5.9 284 26 278.6 279.1 274.5 285.9 2.57 6 850 1450 -5.5 -8.9 77 3.4 -6.6 290 27 280.4 280.8 275.0 286.9 2.29 7 723 2711 -9.1 -18.1 48 9.0 -11.5 307 32 289.7 289.9 278.4 293.6 1.27 8 700 2961 -9.5 -13.1 75 3.6 -10.6 310 33 292.0 292.3 280.4 298.0 1.99 9 699 2972 -9.5 -13.1 75 3.6 -10.6 310 33 292.1 292.4 280.5 298.1 1.99 10 627 3808 -11.7 -15.1 76 3.4 -12.7 313 35 298.8 299.1 283.2 304.7 1.89 11 500 5500 -23.9 -28.5 66 4.6 -24.6 320 40 303.9 304.0 283.9 306.3 0.73 12 465 6027 -27.7 -32.0 67 4.3 -28.3 322 42 305.5 305.6 284.4 307.4 0.56 13 400 7090 -37.3 -41.6 64 4.3 -37.6 325 46 306.5 306.6 284.3 307.4 0.25 14 364 7733 -42.9 -46.9 65 4.0 -43.1 325 50 307.4 307.4 284.5 308.0 0.15 15 321 8569 -48.3 -52.1 65 3.8 -48.4 325 55 311.2 311.2 285.9 311.6 0.10 16 300 9010 -52.5 -56.1 65 3.6 -52.6 325 58 311.3 311.4 285.9 311.6 0.06 17 276 9541 -57.1 -60.6 64 3.5 -57.2 334 64 312.2 312.2 286.2 312.4 0.04 18 250 10160 -60.5 -64.2 62 3.7 -60.6 345 71 316.1 316.1 287.5 316.2 0.03 19 243 10337 -61.3 -64.8 63 3.5 -61.3 345 71 317.5 317.5 287.9 317.6 0.03 20 240 10413 -63.3 -67.1 60 3.8 -63.3 345 71 315.6 315.6 287.3 315.7 0.02 21 212 11168 -67.3 -71.0 59 3.7 -67.3 345 73 320.8 320.8 289.0 320.8 0.01 22 207 11312 -67.0 -70.7 60 3.7 -67.1 345 73 323.4 323.4 289.8 323.5 0.01 23 201 11490 -66.7 -70.3 60 3.6 -66.7 345 70 326.7 326.7 290.7 326.7 0.01 24 200 11520 -66.9 -70.5 60 3.6 -66.9 345 69 326.8 326.8 290.8 326.9 0.01 25 180 12157 -69.7 -73.6 57 3.9 -69.7 330 54 332.2 332.2 292.3 332.3 0.01 26 178 12224 -69.5 -73.4 57 3.9 -69.5 329 53 333.6 333.6 292.7 333.7 0.01 27 175 12326 -67.1 -70.9 58 3.8 -67.1 328 52 339.2 339.2 294.1 339.3 0.02 28 154 13115 -60.3 -64.2 60 3.9 -60.4 321 44 363.4 363.5 299.4 363.6 0.04 29 150 13280 -60.9 -64.7 61 3.8 -61.0 320 42 365.2 365.2 299.7 365.4 0.04 30 111 15131 -64.5 -68.8 55 4.3 -64.6 313 38 391.3 391.3 304.0 391.4 0.03 31 100 15770 -62.9 -67.5 54 4.6 -63.0 310 36 406.2 406.2 306.0 406.4 0.04 32 94 16153 -61.5 -66.1 54 4.6 -61.6 309 34 416.2 416.2 307.3 416.5 0.06 33 77 17380 -65.7 -70.5 51 4.8 -65.8 306 29 431.9 431.9 309.0 432.1 0.04 34 70 17960 -65.9 -70.9 50 5.0 -66.0 305 27 443.4 443.4 310.3 443.6 0.04 35 62 18697 -65.9 -70.9 50 5.0 -66.0 459.1 459.1 311.7 459.3 0.04 TRP 180 12157 -69.7 -73.6 57 3.9 -69.7 330 54 332.2 332.2 292.3 332.3 0.01 WND 207 11312 -67.0 -70.7 60 3.7 -67.1 345 73 323.4 323.4 289.8 323.5 0.01 Sounding variables and indices 1000-500 mb thick: 5330.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.39 inches Sfc-500 mean rel hum: 71.52 % Est. max temperature: 7.03 C = 44.66 F Sfc-Lift cond lev (LCL): 936.85 mb = 688.11 m = 2257.55 ft T: -4.53 C 700-500 lapse rate: 5.67 C/km ThetaE index: 1.82 C Layer 925.0- 880.0 mb Conv cond level (CCL): 618.57 mb = 3908.94 m = 12824.45 ft Mean mixing ratio: 2.38 g/kg Conv temperature: 24.67 C = 76.41 F Cap Strength: 17.46 C Lifted Index: 19.62 C Risk: None Lifted Index @300 mb: 21.89 C Lifted Index @700 mb: 12.78 C Showalter Index: 14.63 C Risk: None Total Totals Index: 33.40 C Risk: None Vertical Totals Index: 18.40 C Cross Totals Index: 15.00 C K Index: 5.90 Risk: None Sweat Index: 94.00 Risk: None Energy Index: 4.10 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.92 J/kg Max Up Vert Vel: 3.14 m/s Conv Inhibition (B-): 26605.43 J/kg Cap Strength: 19.50 C Lift Cond Lev (LCL): 894.92 mb = 1046.98 m = 3434.92 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 339 at 24 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 ---------------------------------------------------------- 0 985 291 280 1 1.0 -0.2 | 161 24 -7.8 22.6 1 925 789 270 25 25.0 -0.0 | 215 28 16.2 22.8 2 850 1450 290 27 25.4 -9.2 | 231 21 16.6 13.5 3 700 2961 310 33 25.3 -21.2 | 265 17 16.5 1.6 4 500 5500 320 40 25.7 -30.6 | 295 19 16.9 -7.9 5 400 7090 325 46 26.4 -37.7 | 310 23 17.6 -14.9 6 300 9010 325 58 33.3 -47.5 | 315 35 24.5 -24.7 7 250 10160 345 71 18.4 -68.6 | 348 47 9.6 -45.8 8 207 11312 345 73 18.9 -70.5 | 348 49 10.1 -47.7 9 200 11520 345 69 17.9 -66.6 | 348 45 9.1 -43.9 10 180 12157 330 54 27.0 -46.8 | 323 30 18.2 -24.0 11 150 13280 320 42 27.0 -32.2 | 297 21 18.2 -9.4 12 100 15770 310 36 27.6 -23.1 | 271 19 18.8 -0.4 13 70 17960 305 27 22.1 -15.5 | 241 15 13.3 7.3 Wind Parameters Mean winds (0-6000m): 308.9 at 32.5 knts Storm direction: 338.9 at 24.4 knts Shear (0-3000m) pos: 3.8 neg: 4.1 tot: 8.0 10-3/s Storm rel Dir Shear (0-3000m): 107.7 deg Storm rel helicity (0-3000m) pos: 238.8 neg: 0.0 tot: 238.8 m^2/s^2 ave: 79.6 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 7.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.07 Bulk Shear: 74.72 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 ------------------------------------------------------------------------------- 500 270 13 191 23| 0.0 24.7 24.7|135.5 0.0 135.5 271.0 0.91| 24.9 22.8 1000 275 19 207 23| 3.6 12.4 15.9|169.3 0.0 169.3 169.3 0.87| 16.0 14.0 1500 282 22 215 22| 4.0 8.2 12.3|191.3 0.0 191.3 127.5 0.86| 12.3 10.6 2000 287 24 221 21| 4.0 6.2 10.2|209.5 0.0 209.5 104.8 0.87| 10.3 8.9 2500 291 25 228 20| 4.1 4.9 9.0|227.5 0.0 227.5 91.0 0.87| 9.1 7.9 3000 295 27 233 19| 3.8 4.1 8.0|238.8 0.0 238.8 79.6 0.88| 8.0 7.0 4000 301 29 243 18| 3.3 3.1 6.4|255.1 0.0 255.1 63.8 0.88| 6.5 5.7 5000 305 31 253 17| 3.1 2.5 5.5|272.3 0.0 272.3 54.5 0.89| 5.6 5.0 6000 309 33 262 17| 2.9 2.1 5.0|290.6 0.0 290.6 48.4 0.89| 5.0 4.4 Wrote GIF file: /home/apache/climate/data/raob//U8445/skewt/U8445.skewt.20251204.00.gif