UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 18 OCT 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 ------------------------------------------------------------------------------- SFC 1006 108 4.2 -0.8 70 5.0 2.1 270 3 276.9 277.5 274.9 286.7 3.58 1 1000 156 3.0 -3.0 65 6.0 0.6 270 3 276.1 276.7 273.8 284.6 3.06 2 956 518 -0.3 -4.8 72 4.5 -2.0 267 8 276.4 276.9 273.5 284.1 2.79 3 925 781 -1.3 -9.3 54 8.0 -4.0 265 11 278.0 278.3 273.3 283.8 2.04 4 904 964 -2.5 -11.5 50 9.0 -5.3 266 10 278.6 278.9 273.2 283.6 1.75 5 850 1449 -6.3 -15.3 49 9.0 -8.7 270 9 279.5 279.8 273.2 283.5 1.37 6 799 1929 -9.9 -18.9 48 9.0 -12.0 281 11 280.7 280.9 273.4 283.9 1.07 7 788 2036 -10.3 -19.3 48 9.0 -12.4 284 11 281.4 281.6 273.8 284.5 1.05 8 747 2446 -12.3 -24.3 36 12.0 -14.7 293 13 283.5 283.7 274.4 285.7 0.72 9 720 2727 -11.9 -28.9 23 17.0 -14.9 300 14 287.0 287.1 275.9 288.5 0.49 10 700 2942 -13.3 -36.3 13 23.0 -16.6 305 15 287.8 287.8 275.9 288.6 0.24 11 695 2997 -13.5 -36.5 13 23.0 -16.7 306 15 288.1 288.2 276.1 288.9 0.24 12 638 3644 -17.7 -37.7 16 20.0 -20.2 316 16 290.5 290.5 277.3 291.3 0.23 13 560 4614 -21.3 -45.3 10 24.0 -23.7 332 18 297.3 297.3 280.3 297.7 0.12 14 500 5440 -28.3 -40.3 31 12.0 -29.5 345 19 298.5 298.6 281.0 299.3 0.23 15 436 6401 -37.1 -47.1 35 10.0 -37.7 345 20 299.3 299.3 281.2 299.7 0.13 16 410 6822 -39.9 -49.9 34 10.0 -40.4 345 21 301.0 301.0 281.9 301.3 0.10 17 400 6990 -41.1 -51.1 33 10.0 -41.5 345 21 301.6 301.6 282.1 301.9 0.09 18 366 7589 -44.7 -55.7 28 11.0 -45.0 353 25 304.5 304.5 283.3 304.7 0.06 19 301 8869 -54.9 -64.9 28 10.0 -55.1 10 33 307.7 307.7 284.5 307.7 0.02 20 300 8890 -54.9 -64.9 28 10.0 -55.1 10 33 308.0 308.0 284.6 308.0 0.02 21 272 9509 -57.1 -67.1 27 10.0 -57.2 360 27 313.5 313.5 286.6 313.6 0.02 22 261 9768 -57.1 -67.1 27 10.0 -57.2 350 26 317.2 317.2 287.9 317.3 0.02 23 250 10040 -55.9 -65.9 28 10.0 -56.1 340 25 323.0 323.0 289.7 323.0 0.02 24 238 10355 -54.9 -64.9 28 10.0 -55.1 334 25 329.0 329.0 291.5 329.2 0.03 25 208 11225 -51.3 -63.3 23 12.0 -51.6 319 23 347.6 347.6 296.1 347.8 0.04 26 200 11480 -51.9 -63.9 22 12.0 -52.2 315 23 350.6 350.6 296.8 350.7 0.04 27 150 13340 -51.7 -69.7 10 18.0 -52.2 305 23 381.0 381.0 302.4 381.1 0.02 28 139 13834 -51.3 -70.3 9 19.0 -51.8 299 22 390.1 390.1 303.8 390.2 0.02 29 100 15960 -54.3 -76.3 5 22.0 -54.9 275 17 422.8 422.8 308.0 422.9 0.01 30 71 18130 -56.1 -79.1 4 23.0 -56.8 285 13 462.5 462.5 312.0 462.5 0.01 31 70 18220 -56.1 -79.1 4 23.0 -56.8 285 13 464.4 464.4 312.1 464.4 0.01 32 60 19192 -59.7 -82.7 3 23.0 -60.2 276 16 477.2 477.3 313.2 477.3 0.01 33 57 19513 -60.1 -83.1 3 23.0 -60.6 273 17 483.4 483.4 313.7 483.4 0.01 34 50 20330 -60.5 -83.5 3 23.0 -61.0 265 19 500.9 500.9 315.0 501.0 0.01 35 30 23510 -60.3 -83.3 3 23.0 -61.2 280 25 580.3 580.3 319.7 580.3 0.01 36 23 25164 -60.3 -83.3 3 23.0 -61.4 270 26 626.1 626.1 321.7 626.2 0.02 37 21 25728 -62.1 -84.1 4 22.0 -63.1 267 27 637.1 637.1 322.2 637.2 0.02 38 20 26030 -60.7 -83.7 3 23.0 -61.9 265 27 650.4 650.4 322.7 650.5 0.02 39 18 26688 -59.1 -82.1 4 23.0 -60.6 264 29 675.3 675.3 323.6 675.5 0.03 40 13 28714 -61.9 -83.9 4 22.0 -63.4 262 34 731.5 731.5 325.4 731.7 0.03 41 11 29760 -57.1 -80.1 4 23.0 -59.9 261 36 784.7 784.8 326.9 785.3 0.06 42 10 30360 -59.1 -82.1 4 23.0 -61.6 260 38 798.9 799.0 327.3 799.4 0.05 43 8.5 31377 -59.9 -82.9 3 23.0 -62.5 833.8 833.9 328.0 834.3 0.05 44 6.5 33069 -55.7 -79.7 3 24.0 -60.2 918.0 918.1 329.8 919.2 0.11 TRP 272 9509 -57.1 -67.1 27 10.0 -57.2 360 27 313.5 313.5 286.6 313.6 0.02 WND Sounding variables and indices 1000-500 mb thick: 5284.00 m Freezing level: 960.00 mb = 485.03 m = 1591.29 ft Wetbulb zero: 989.28 mb = 242.66 m = 796.11 ft Precipitable water: 0.22 inches Sfc-500 mean rel hum: 32.17 % Est. max temperature: 6.77 C = 44.18 F Sfc-Lift cond lev (LCL): 931.22 mb = 727.56 m = 2386.97 ft T: -1.10 C 700-500 lapse rate: 6.00 C/km ThetaE index: 3.20 C Layer 1000.0- 799.0 mb Conv cond level (CCL): 830.28 mb = 1631.20 m = 5351.64 ft Mean mixing ratio: 2.59 g/kg Conv temperature: 7.32 C = 45.18 F Cap Strength: 12.20 C Lifted Index: 12.34 C Risk: None Lifted Index @300 mb: 16.86 C Lifted Index @700 mb: 6.31 C Showalter Index: 12.87 C Risk: None Total Totals Index: 35.00 C Risk: None Vertical Totals Index: 22.00 C Cross Totals Index: 13.00 C K Index: -16.30 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 3.35 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.71 J/kg Max Up Vert Vel: 4.41 m/s Conv Inhibition (B-): 73116.84 J/kg Cap Strength: 12.33 C Lift Cond Lev (LCL): 869.02 mb = 1274.66 m = 4181.91 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 346 at 11 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 108 270 3 3.0 -0.0 | 182 10 0.4 10.3 1 1000 156 270 3 3.0 -0.0 | 182 10 0.4 10.3 2 925 781 265 11 11.0 1.0 | 216 14 8.3 11.3 3 850 1449 270 9 9.0 -0.0 | 212 12 6.4 10.3 4 700 2942 305 15 12.3 -8.6 | 260 10 9.7 1.7 5 500 5440 345 19 4.9 -18.4 | 344 8 2.3 -8.0 6 400 6990 345 21 5.4 -20.3 | 344 10 2.8 -10.0 7 300 8890 10 33 -5.7 -32.5 | 21 24 -8.4 -22.2 8 272 9509 360 27 -0.0 -27.0 | 9 17 -2.6 -16.7 9 250 10040 340 25 8.6 -23.5 | 336 14 5.9 -13.2 10 200 11480 315 23 16.3 -16.3 | 294 15 13.6 -5.9 11 150 13340 305 23 18.8 -13.2 | 280 16 16.2 -2.9 12 100 15960 275 17 16.9 -1.5 | 238 17 14.3 8.8 13 70 18220 285 13 12.6 -3.4 | 235 12 9.9 7.0 14 50 20330 265 19 18.9 1.7 | 234 20 16.3 12.0 15 30 23510 280 25 24.6 -4.3 | 255 23 22.0 6.0 16 20 26030 265 27 26.9 2.4 | 242 27 24.3 12.7 17 10 30360 260 38 37.4 6.6 | 244 39 34.8 16.9 Wind Parameters Mean winds (0-6000m): 315.7 at 14.2 knts Storm direction: 345.7 at 10.7 knts Shear (0-3000m) pos: 1.8 neg: 1.0 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 82.0 deg Storm rel helicity (0-3000m) pos: 49.2 neg: -3.3 tot: 45.9 m^2/s^2 ave: 15.3 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.58 Bulk Shear: 16.81 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 ------------------------------------------------------------------------------- 500 267 6 196 11| 0.0 6.0 6.0| 15.5 0.0 15.5 31.0 0.91| 6.0 5.4 1000 266 8 206 12| 0.6 3.0 3.6| 21.0 -1.6 19.5 19.5 0.72| 4.6 3.3 1500 267 8 209 12| 0.5 2.0 2.5| 23.5 -3.3 20.2 13.5 0.62| 3.7 2.3 2000 271 9 212 12| 1.1 1.5 2.6| 32.3 -3.3 29.0 14.5 0.70| 3.5 2.5 2500 277 10 218 11| 1.6 1.2 2.8| 41.3 -3.3 38.0 15.2 0.75| 3.5 2.6 3000 284 11 224 11| 1.8 1.0 2.8| 49.2 -3.3 45.9 15.3 0.78| 3.4 2.7 4000 295 12 237 10| 1.8 0.7 2.6| 59.7 -3.3 56.3 14.1 0.81| 3.2 2.6 5000 306 13 252 8| 1.9 0.6 2.4| 70.4 -3.3 67.1 13.4 0.85| 3.1 2.6 6000 316 14 269 7| 1.7 0.5 2.2| 74.2 -3.3 70.9 11.8 0.83| 2.8 2.3 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251018.12.gif