UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110412.upa.cvt Date: 1200Z 4 NOV 25 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 4 NOV 25 Station: U2820 WMO ident: 22820 Latitude: 61.82 Longitude: 34.27 ------------------------------------------------------------------------------- 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 104 250 1 SFC 999 112 7.2 5.4 88 1.8 6.3 250 1 280.4 281.4 279.5 295.9 5.63 2 925 739 3.0 -0.3 79 3.3 1.5 280 19 282.4 283.1 278.5 293.7 4.04 3 870 1232 -1.5 -4.1 82 2.6 -2.5 276 19 282.7 283.2 277.6 291.9 3.24 4 867 1260 -1.7 -4.2 83 2.5 -2.7 276 19 282.8 283.3 277.6 291.9 3.23 5 866 1269 -0.3 -3.0 82 2.7 -1.4 276 19 284.3 284.9 278.8 294.4 3.54 6 862 1306 3.2 -1.1 73 4.3 1.3 276 19 288.3 289.1 281.4 300.1 4.09 7 850 1420 3.0 -7.0 48 10.0 -0.9 275 19 289.3 289.8 280.0 297.1 2.66 8 845 1468 2.6 -8.4 44 11.0 -1.6 276 19 289.4 289.8 279.7 296.4 2.40 9 766 2253 -2.1 -30.1 10 28.0 -8.1 294 19 292.5 292.6 278.6 293.9 0.41 10 750 2420 -2.9 -30.9 9 28.0 -8.8 298 19 293.4 293.5 278.9 294.7 0.39 11 700 2961 -7.1 -31.1 13 24.0 -11.8 310 19 294.6 294.7 279.6 296.0 0.41 12 671 3288 -10.1 -27.1 23 17.0 -13.6 311 20 294.8 295.0 279.9 296.8 0.62 13 650 3532 -11.5 -26.5 28 15.0 -14.6 311 20 296.0 296.1 280.5 298.1 0.67 14 604 4089 -15.1 -37.1 13 22.0 -18.3 312 21 298.1 298.1 280.9 299.0 0.26 15 537 4962 -23.1 -44.1 13 21.0 -25.1 314 22 298.7 298.7 281.0 299.2 0.14 16 500 5480 -26.5 -49.5 10 23.0 -28.2 315 23 300.7 300.7 281.8 301.0 0.08 17 485 5699 -28.7 -51.7 9 23.0 -30.2 318 24 300.7 300.7 281.7 300.9 0.07 18 400 7050 -38.9 -53.9 19 15.0 -39.5 340 29 304.4 304.4 283.2 304.7 0.06 19 334 8259 -48.7 -61.7 21 13.0 -49.0 349 43 307.1 307.1 284.2 307.2 0.03 20 323 8479 -48.5 -61.5 21 13.0 -48.8 351 46 310.4 310.4 285.5 310.5 0.03 21 305 8853 -51.3 -64.3 20 13.0 -51.5 354 51 311.6 311.6 285.9 311.7 0.02 22 300 8960 -51.9 -64.9 20 13.0 -52.1 355 52 312.2 312.2 286.1 312.3 0.02 23 269 9667 -54.7 -67.7 19 13.0 -54.9 345 44 318.0 318.0 288.1 318.1 0.02 24 268 9691 -54.7 -67.7 19 13.0 -54.9 345 44 318.4 318.4 288.2 318.4 0.02 25 255 10012 -53.1 -67.1 17 14.0 -53.3 341 40 325.3 325.3 290.4 325.3 0.02 26 250 10140 -53.5 -67.5 17 14.0 -53.7 340 38 326.5 326.5 290.7 326.6 0.02 27 205 11420 -51.5 -67.5 13 16.0 -51.8 309 38 348.7 348.7 296.4 348.8 0.02 28 200 11580 -52.3 -69.3 11 17.0 -52.7 305 38 349.9 350.0 296.6 350.0 0.02 29 150 13420 -55.7 -75.7 7 20.0 -56.0 300 42 374.1 374.1 301.3 374.1 0.01 30 120 14834 -59.5 -79.5 6 20.0 -59.7 300 41 391.8 391.8 304.0 391.8 0.01 31 100 15980 -59.1 -81.1 4 22.0 -59.4 300 40 413.5 413.5 306.9 413.6 0.01 32 98 16107 -58.7 -79.7 5 21.0 -59.0 300 40 416.7 416.7 307.3 416.7 0.01 33 70 18190 -64.1 -86.1 3 22.0 -64.3 295 35 447.3 447.3 310.6 447.3 0.00 34 50 20250 -63.7 -85.7 3 22.0 -64.1 295 36 493.4 493.4 314.5 493.4 0.01 35 49 20374 -63.5 -85.5 4 22.0 -63.8 295 36 496.7 496.7 314.7 496.7 0.01 36 30 23340 -69.3 -89.3 4 20.0 -69.6 300 38 555.7 555.7 318.4 555.7 0.00 37 29 23543 -69.5 -89.5 4 20.0 -69.8 299 38 560.6 560.6 318.7 560.6 0.00 38 26 24194 -70.7 -90.7 4 20.0 -70.9 295 39 575.0 575.0 319.4 575.0 0.00 39 20 25750 -71.7 -91.7 4 20.0 -72.0 285 42 616.7 616.7 321.3 616.7 0.00 40 14 27856 -70.7 -90.7 4 20.0 -71.2 288 46 686.3 686.3 324.0 686.4 0.01 41 11 29266 -75.9 -94.9 3 19.0 -76.2 289 49 716.4 716.4 325.0 716.5 0.00 42 10 29820 -72.7 -92.7 3 20.0 -73.2 290 50 748.2 748.2 325.9 748.2 0.01 43 7.0 31938 -68.2 -89.3 3 21.2 -69.4 290 79 847.2 847.2 328.3 847.4 0.02 44 5.4 33508 -64.9 -86.9 3 22.0 -67.1 927.1 927.1 329.9 927.5 0.04 TRP 269 9667 -54.7 -67.7 19 13.0 -54.9 345 44 318.0 318.0 288.1 318.1 0.02 WND 7.0 31938 -68.2 -89.3 3 21.2 -69.4 290 79 847.2 847.2 328.3 847.4 0.02 Sounding variables and indices 1000-500 mb thick: 5376.00 m Freezing level: 888.33 mb = 1067.77 m = 3503.15 ft Freezing level: 865.66 mb = 1272.13 m = 4173.61 ft Freezing level: 801.30 mb = 1901.88 m = 6239.68 ft Wetbulb zero: 904.01 mb = 923.69 m = 3030.44 ft Precipitable water: 0.34 inches Sfc-500 mean rel hum: 32.18 % Est. max temperature: 16.07 C = 60.93 F Sfc-Lift cond lev (LCL): 971.84 mb = 336.70 m = 1104.65 ft T: 5.70 C 700-500 lapse rate: 7.70 C/km ThetaE index: 6.24 C Layer 850.0- 750.0 mb Conv cond level (CCL): 899.97 mb = 959.68 m = 3148.53 ft Mean mixing ratio: 4.57 g/kg Conv temperature: 9.29 C = 48.73 F Cap Strength: 6.27 C Lifted Index: 6.47 C Risk: None Lifted Index @300 mb: 12.65 C Lifted Index @700 mb: 5.68 C Showalter Index: 4.51 C Risk: None Total Totals Index: 49.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.50 C Cross Totals Index: 19.50 C K Index: -1.50 Risk: None Sweat Index: 61.00 Risk: None Energy Index: 0.85 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.99 J/kg Max Up Vert Vel: 3.74 m/s Conv Inhibition (B-): 6.37 J/kg Cap Strength: 6.42 C Lift Cond Lev (LCL): 911.34 mb = 858.70 m = 2817.23 ft Lev Free Conv (LFC): 876.34 mb = 1173.75 m = 3850.85 ft Equ Level (EL): 866.34 mb = 1265.81 m = 4152.86 ft B at Equ Level: -0.59 J/kg Max Parcel Lev (MPL): 866.34 mb = 1265.81 m = 4152.86 ft Wind level data Storm motion: 334 at 15 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 ---------------------------------------------------------- 0 999 112 250 1 0.9 0.3 | 157 15 -5.6 13.5 1 925 739 280 19 18.7 -3.3 | 231 16 12.2 9.8 2 850 1420 275 19 18.9 -1.7 | 227 17 12.4 11.5 3 700 2961 310 19 14.6 -12.2 | 264 8 8.0 0.9 4 500 5480 315 23 16.3 -16.3 | 288 10 9.7 -3.1 5 400 7050 340 29 9.9 -27.3 | 346 15 3.4 -14.1 6 300 8960 355 52 4.5 -51.8 | 3 39 -2.0 -38.7 7 269 9667 345 44 11.4 -42.5 | 351 30 4.9 -29.4 8 250 10140 340 38 13.0 -35.7 | 344 23 6.5 -22.6 9 200 11580 305 38 31.1 -21.8 | 289 26 24.6 -8.7 10 150 13420 300 42 36.4 -21.0 | 285 31 29.9 -7.9 11 100 15980 300 40 34.6 -20.0 | 284 29 28.1 -6.9 12 70 18190 295 35 31.7 -14.8 | 274 25 25.2 -1.7 13 50 20250 295 36 32.6 -15.2 | 275 26 26.1 -2.1 14 30 23340 300 38 32.9 -19.0 | 283 27 26.4 -5.9 15 20 25750 285 42 40.6 -10.9 | 266 34 34.0 2.3 16 10 29820 290 50 47.0 -17.1 | 276 41 40.5 -4.0 Wind Parameters Mean winds (0-6000m): 303.6 at 19.5 knts Storm direction: 333.6 at 14.7 knts Shear (0-3000m) pos: 3.2 neg: 0.0 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 107.7 deg Storm rel helicity (0-3000m) pos: 97.6 neg: -4.2 tot: 93.4 m^2/s^2 ave: 31.1 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 4.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.33 Bulk Shear: 21.00 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 ------------------------------------------------------------------------------- 500 279 8 187 12| 14.9 0.0 14.9| 56.5 0.0 56.5 113.0 1.00| 15.3 15.3 1000 279 13 211 13| 9.3 0.0 9.3| 72.2 -2.1 70.1 70.1 0.93| 10.1 9.4 1500 278 15 218 14| 6.2 0.0 6.2| 76.3 -4.2 72.1 48.1 0.86| 7.5 6.4 2000 280 16 222 14| 4.7 0.0 4.7| 85.6 -4.2 81.4 40.7 0.83| 6.6 5.4 2500 284 17 227 13| 3.8 0.0 3.8| 92.9 -4.2 88.7 35.5 0.80| 6.0 4.8 3000 288 17 231 13| 3.2 0.0 3.2| 97.6 -4.2 93.4 31.1 0.79| 5.5 4.4 4000 294 18 240 11| 2.6 0.0 2.6|101.1 -4.2 96.9 24.2 0.80| 4.4 3.5 5000 299 19 248 11| 2.3 0.0 2.3|104.8 -4.2 100.6 20.1 0.80| 3.7 2.9 6000 304 20 257 10| 2.2 0.0 2.2|119.7 -4.2 115.5 19.2 0.82| 3.5 2.9 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251104.12.gif