UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 5 DEC 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 1012 90 -5.9 -7.0 92 1.1 -6.2 0 0 266.3 266.7 266.3 272.3 2.23 1 1000 183 -5.3 -8.1 81 2.8 -6.1 75 1 267.9 268.2 267.0 273.5 2.07 2 966 456 -3.5 -6.5 80 3.0 -4.5 153 6 272.3 272.7 270.5 279.0 2.43 3 925 797 -6.1 -8.3 84 2.2 -6.8 250 13 273.1 273.4 270.7 279.2 2.21 4 866 1309 -8.5 -10.0 89 1.5 -8.9 269 18 275.8 276.1 272.1 281.6 2.06 5 850 1453 -10.1 -11.7 88 1.6 -10.5 275 19 275.6 275.9 271.6 280.7 1.83 6 828 1655 -10.7 -12.3 88 1.6 -11.1 276 20 277.0 277.3 272.3 282.1 1.79 7 796 1959 -8.1 -9.6 89 1.5 -8.6 277 22 282.9 283.3 276.5 289.6 2.32 8 704 2903 -13.9 -15.7 86 1.8 -14.4 280 29 286.6 286.9 277.3 291.4 1.60 9 700 2946 -14.5 -16.4 85 1.9 -15.0 280 29 286.4 286.7 277.1 290.9 1.51 10 698 2968 -14.7 -16.6 85 1.9 -15.2 280 29 286.4 286.7 277.1 290.9 1.49 11 692 3033 -16.5 -18.8 82 2.3 -17.0 281 30 285.1 285.4 276.1 288.9 1.25 12 647 3536 -18.1 -24.1 59 6.0 -19.3 286 34 288.9 289.0 277.4 291.5 0.84 13 519 5152 -26.7 -29.8 75 3.1 -27.1 302 49 297.3 297.4 281.0 299.3 0.62 14 503 5377 -28.7 -31.9 74 3.2 -29.1 305 52 297.5 297.6 281.0 299.3 0.52 15 500 5420 -29.1 -32.3 74 3.2 -29.5 305 52 297.6 297.7 281.0 299.2 0.51 16 459 6027 -34.1 -37.3 73 3.2 -34.4 303 53 298.7 298.7 281.3 299.8 0.34 17 400 6980 -40.1 -43.8 68 3.7 -40.3 300 54 302.9 302.9 282.8 303.6 0.20 18 376 7398 -42.3 -46.3 65 4.0 -42.5 300 57 305.4 305.4 283.8 305.9 0.16 19 304 8795 -53.5 -58.1 57 4.6 -53.6 300 68 308.8 308.8 284.9 309.0 0.05 20 300 8880 -53.9 -58.5 57 4.6 -54.0 300 69 309.4 309.4 285.1 309.6 0.05 21 250 10040 -61.7 -66.0 56 4.3 -61.7 300 69 314.3 314.3 286.9 314.4 0.02 22 244 10190 -62.7 -67.1 55 4.4 -62.7 300 69 315.0 315.0 287.1 315.1 0.02 23 224 10713 -65.3 -69.6 55 4.3 -65.4 300 71 318.8 318.8 288.3 318.8 0.01 24 213 11019 -66.9 -71.1 55 4.2 -67.0 300 71 321.0 321.0 289.0 321.0 0.01 25 200 11400 -65.5 -69.7 56 4.2 -65.5 300 68 329.0 329.0 291.5 329.1 0.02 26 185 11872 -65.7 -69.8 56 4.1 -65.7 301 65 336.1 336.1 293.4 336.2 0.02 27 180 12039 -63.1 -67.6 54 4.5 -63.1 302 64 343.0 343.0 295.1 343.1 0.02 28 150 13160 -61.9 -66.2 56 4.3 -62.0 305 56 363.4 363.4 299.4 363.6 0.03 29 100 15660 -63.3 -68.2 51 4.9 -63.4 305 46 405.4 405.4 305.9 405.6 0.04 30 90 16307 -61.9 -66.9 51 5.0 -62.0 304 46 420.6 420.6 307.8 420.9 0.05 31 70 17840 -66.5 -71.5 49 5.0 -66.6 300 46 442.1 442.1 310.1 442.3 0.04 32 62 18574 -68.9 -73.9 48 5.0 -69.0 298 46 452.4 452.4 311.1 452.6 0.03 33 50 19860 -70.9 -75.9 47 5.0 -71.0 295 46 476.4 476.4 313.2 476.6 0.03 34 30 22840 -77.7 -83.7 37 6.0 -77.7 285 54 532.8 532.8 317.1 532.9 0.01 35 27 23442 -78.3 -84.3 37 6.0 -78.4 547.4 547.4 317.9 547.5 0.01 TRP 213 11019 -66.9 -71.1 55 4.2 -67.0 300 71 321.0 321.0 289.0 321.0 0.01 WND 224 10713 -65.3 -69.6 55 4.3 -65.4 300 71 318.8 318.8 288.3 318.8 0.01 Sounding variables and indices 1000-500 mb thick: 5237.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.35 inches Sfc-500 mean rel hum: 78.09 % Est. max temperature: 3.51 C = 38.32 F Sfc-Lift cond lev (LCL): 994.32 mb = 227.89 m = 747.67 ft T: -5.00 C 700-500 lapse rate: 5.90 C/km ThetaE index: 2.48 C Layer 700.0- 647.0 mb Conv cond level (CCL): 861.75 mb = 1347.11 m = 4419.61 ft Mean mixing ratio: 2.26 g/kg Conv temperature: 3.51 C = 38.31 F Cap Strength: 16.87 C Lifted Index: 16.82 C Risk: None Lifted Index @300 mb: 22.60 C Lifted Index @700 mb: 10.09 C Showalter Index: 14.24 C Risk: None Total Totals Index: 36.40 C Risk: None Vertical Totals Index: 19.00 C Cross Totals Index: 17.40 C K Index: 5.40 Risk: None Sweat Index: 90.00 Risk: None Energy Index: 3.90 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.23 J/kg Max Up Vert Vel: 7.24 m/s Conv Inhibition (B-): 40422.49 J/kg Cap Strength: 16.85 C Lift Cond Lev (LCL): 922.38 mb = 819.01 m = 2687.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 322 at 23 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 1012 90 0 0 -0.0 -0.0 | 142 23 -14.6 18.4 1 1000 183 75 1 -1.0 -0.3 | 140 24 -15.5 18.2 2 925 797 250 13 12.2 4.4 | 174 23 -2.3 22.9 3 850 1453 275 19 18.9 -1.7 | 195 17 4.4 16.8 4 700 2946 280 29 28.6 -5.0 | 226 19 14.0 13.4 5 500 5420 305 52 42.6 -29.8 | 292 30 28.0 -11.4 6 400 6980 300 54 46.8 -27.0 | 285 33 32.2 -8.6 7 300 8880 300 69 59.8 -34.5 | 290 48 45.2 -16.1 8 250 10040 300 69 59.8 -34.5 | 290 48 45.2 -16.1 9 224 10713 300 71 61.5 -35.5 | 290 50 46.9 -17.1 10 213 11019 300 71 61.5 -35.5 | 290 50 46.9 -17.1 11 200 11400 300 68 58.9 -34.0 | 289 47 44.3 -15.6 12 150 13160 305 56 45.9 -32.1 | 294 34 31.3 -13.7 13 100 15660 305 46 37.7 -26.4 | 289 24 23.1 -7.9 14 70 17840 300 46 39.8 -23.0 | 280 26 25.3 -4.6 15 50 19860 295 46 41.7 -19.4 | 272 27 27.1 -1.0 16 30 22840 285 54 52.2 -14.0 | 263 38 37.6 4.5 Wind Parameters Mean winds (0-6000m): 291.7 at 31.3 knts Storm direction: 321.7 at 23.5 knts Shear (0-3000m) pos: 5.4 neg: 1.5 tot: 7.0 10-3/s Storm rel Dir Shear (0-3000m): 89.0 deg Storm rel helicity (0-3000m) pos: 228.5 neg: -10.9 tot: 217.6 m^2/s^2 ave: 72.5 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 6.0 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.18 Bulk Shear: 142.85 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 ------------------------------------------------------------------------------- 500 183 4 148 27| 0.0 9.2 9.2| 67.7 -10.9 56.8 113.6 0.50| 14.3 7.2 1000 253 9 163 22| 7.8 4.6 12.4|152.8 -10.9 141.9 141.9 0.66| 15.3 10.0 1500 263 12 171 20| 7.2 3.1 10.3|177.5 -10.9 166.6 111.1 0.68| 12.3 8.4 2000 268 14 179 19| 6.3 2.3 8.6|193.2 -10.9 182.3 91.1 0.71| 10.1 7.2 2500 272 16 186 18| 5.7 1.8 7.6|209.2 -10.9 198.2 79.3 0.73| 8.8 6.4 3000 274 18 192 18| 5.4 1.5 7.0|228.5 -10.9 217.6 72.5 0.75| 8.0 6.0 4000 279 22 207 17| 5.4 1.2 6.6|287.9 -10.9 277.0 69.2 0.79| 7.4 5.9 5000 286 27 226 16| 5.4 0.9 6.3|360.2 -10.9 349.3 69.9 0.81| 7.2 5.8 6000 292 31 245 16| 4.8 0.9 5.7|386.8 -23.5 363.3 60.6 0.77| 6.5 5.0 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251205.12.gif