UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112700.upa.cvt Date: 0000Z 27 NOV 25 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 27 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 ------------------------------------------------------------------------------- SFC 1006 105 -4.9 -6.6 88 1.7 -5.4 250 3 267.8 268.2 267.4 274.0 2.31 1 1000 152 -5.3 -7.2 86 1.9 -5.9 245 5 267.9 268.2 267.3 273.9 2.22 2 949 561 -8.7 -9.9 91 1.2 -9.1 248 17 268.4 268.7 267.1 273.6 1.90 3 940 635 -7.1 -8.4 90 1.3 -7.5 249 19 270.8 271.2 269.1 276.7 2.15 4 925 760 -7.5 -9.0 89 1.5 -7.9 250 23 271.6 272.0 269.5 277.4 2.09 5 906 921 -8.3 -10.2 86 1.9 -8.8 257 20 272.4 272.8 269.8 277.8 1.94 6 897 999 -6.9 -9.2 84 2.3 -7.6 261 19 274.7 275.0 271.5 280.6 2.12 7 894 1025 -7.1 -9.4 84 2.3 -7.8 262 18 274.7 275.1 271.5 280.6 2.09 8 857 1356 -6.1 -14.1 53 8.0 -8.3 277 12 279.1 279.4 273.1 283.4 1.50 9 850 1420 -6.5 -14.5 53 8.0 -8.7 280 11 279.3 279.6 273.2 283.6 1.46 10 834 1568 -7.7 -17.7 45 10.0 -10.2 281 11 279.6 279.8 272.9 282.9 1.14 11 740 2486 -13.7 -24.7 39 11.0 -15.8 287 11 282.8 282.9 273.9 284.9 0.70 12 715 2747 -13.7 -26.7 33 13.0 -16.1 289 11 285.6 285.7 275.3 287.4 0.60 13 700 2908 -14.9 -28.9 29 14.0 -17.3 290 11 286.0 286.1 275.4 287.6 0.50 14 626 3743 -20.7 -32.7 33 12.0 -22.3 283 17 288.6 288.7 276.6 289.9 0.39 15 551 4679 -24.3 -44.3 14 20.0 -26.1 276 24 295.1 295.1 279.3 295.6 0.14 16 524 5043 -26.3 -44.3 17 18.0 -27.9 273 26 297.0 297.0 280.2 297.5 0.14 17 500 5380 -28.7 -44.7 20 16.0 -30.0 270 29 298.0 298.1 280.7 298.5 0.14 18 406 6838 -40.3 -46.3 53 6.0 -40.6 270 41 301.3 301.4 282.1 301.8 0.15 19 400 6940 -41.1 -47.1 52 6.0 -41.4 270 42 301.6 301.6 282.2 302.1 0.14 20 382 7250 -43.3 -49.3 52 6.0 -43.6 270 45 302.7 302.7 282.6 303.1 0.11 21 371 7445 -43.7 -49.7 51 6.0 -44.0 270 46 304.7 304.7 283.4 305.1 0.11 22 300 8840 -52.1 -61.1 33 9.0 -52.3 270 58 311.9 311.9 286.1 312.0 0.03 23 272 9468 -56.3 -66.3 27 10.0 -56.4 270 58 314.7 314.7 287.0 314.8 0.02 24 250 10000 -58.7 -68.7 26 10.0 -58.8 270 58 318.8 318.8 288.3 318.9 0.01 25 243 10178 -59.7 -69.7 26 10.0 -59.8 270 58 319.9 319.9 288.7 320.0 0.01 26 228 10576 -61.5 -72.5 22 11.0 -61.6 270 58 323.0 323.0 289.7 323.1 0.01 27 220 10798 -60.5 -71.5 22 11.0 -60.6 270 57 327.9 327.9 291.1 327.9 0.01 28 200 11390 -62.5 -73.5 21 11.0 -62.6 270 54 333.8 333.8 292.7 333.8 0.01 29 196 11515 -62.9 -73.9 21 11.0 -63.0 271 53 335.1 335.1 293.1 335.1 0.01 30 150 13170 -61.5 -72.5 22 11.0 -61.6 280 46 364.1 364.1 299.5 364.2 0.01 31 147 13295 -61.1 -72.1 22 11.0 -61.2 280 46 366.9 366.9 300.0 367.0 0.02 32 100 15670 -62.9 -74.9 18 12.0 -63.1 290 38 406.2 406.2 306.0 406.3 0.01 33 77 17264 -68.5 -80.5 16 12.0 -68.6 290 37 426.1 426.1 308.4 426.1 0.01 34 70 17840 -66.5 -79.5 14 13.0 -66.7 290 36 442.1 442.1 310.1 442.2 0.01 35 52 19625 -66.1 -79.1 15 13.0 -66.3 299 32 482.3 482.3 313.7 482.4 0.01 36 50 19860 -67.9 -80.9 14 13.0 -68.1 300 31 483.5 483.5 313.7 483.5 0.01 37 44 20624 -70.3 -83.3 13 13.0 -70.5 299 32 495.6 495.6 314.7 495.7 0.01 38 30 22890 -72.1 -85.1 13 13.0 -72.3 295 36 548.1 548.1 318.0 548.1 0.01 39 28 23294 -73.1 -87.1 10 14.0 -73.3 298 36 556.2 556.2 318.5 556.3 0.01 40 20 25240 -77.1 -90.1 11 13.0 -77.2 310 36 600.2 600.2 320.6 600.2 0.01 41 18 25846 -76.3 -89.3 11 13.0 -76.4 621.1 621.1 321.5 621.1 0.01 42 13 27715 -77.9 -91.9 9 14.0 -78.1 676.1 676.1 323.6 676.1 0.01 TRP 228 10576 -61.5 -72.5 22 11.0 -61.6 270 58 323.0 323.0 289.7 323.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5228.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 42.46 % Est. max temperature: 6.46 C = 43.63 F Sfc-Lift cond lev (LCL): 979.17 mb = 316.23 m = 1037.50 ft T: -6.67 C 700-500 lapse rate: 5.58 C/km ThetaE index: 0.63 C Layer 834.0- 740.0 mb Conv cond level (CCL): 775.25 mb = 2129.00 m = 6984.82 ft Mean mixing ratio: 2.07 g/kg Conv temperature: 8.88 C = 47.99 F Cap Strength: 18.50 C Lifted Index: 19.03 C Risk: None Lifted Index @300 mb: 26.04 C Lifted Index @700 mb: 11.45 C Showalter Index: 12.41 C Risk: None Total Totals Index: 36.40 C Risk: None Vertical Totals Index: 22.20 C Cross Totals Index: 14.20 C K Index: -6.30 Risk: None Sweat Index: 51.00 Risk: None Energy Index: 3.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.22 J/kg Max Up Vert Vel: 6.82 m/s Conv Inhibition (B-): 50157.62 J/kg Cap Strength: 19.02 C Lift Cond Lev (LCL): 931.55 mb = 704.99 m = 2312.92 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 302 at 14 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 105 250 3 2.8 1.0 | 133 12 -8.8 8.3 1 1000 152 245 5 4.5 2.1 | 143 12 -7.1 9.4 2 925 760 250 23 21.6 7.9 | 213 18 10.0 15.2 3 850 1420 280 11 10.8 -1.9 | 172 5 -0.8 5.4 4 700 2908 290 11 10.3 -3.8 | 160 4 -1.3 3.5 5 500 5380 270 29 29.0 -0.0 | 247 19 17.4 7.3 6 400 6940 270 42 42.0 -0.0 | 257 31 30.4 7.3 7 300 8840 270 58 58.0 -0.0 | 261 47 46.4 7.3 8 250 10000 270 58 58.0 -0.0 | 261 47 46.4 7.3 9 228 10576 270 58 58.0 -0.0 | 261 47 46.4 7.3 10 200 11390 270 54 54.0 -0.0 | 260 43 42.4 7.3 11 150 13170 280 46 45.3 -8.0 | 271 34 33.7 -0.7 12 100 15670 290 38 35.7 -13.0 | 283 25 24.1 -5.7 13 70 17840 290 36 33.8 -12.3 | 283 23 22.2 -5.0 14 50 19860 300 31 26.8 -15.5 | 298 17 15.3 -8.2 15 30 22890 295 36 32.6 -15.2 | 291 22 21.0 -7.9 16 20 25240 310 36 27.6 -23.1 | 315 23 16.0 -15.9 Wind Parameters Mean winds (0-6000m): 272.1 at 18.3 knts Storm direction: 302.1 at 13.7 knts Shear (0-3000m) pos: 2.0 neg: 2.6 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 50.1 deg Storm rel helicity (0-3000m) pos: 63.9 neg: -11.4 tot: 52.5 m^2/s^2 ave: 17.5 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 2.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.99 Bulk Shear: 11.68 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 ------------------------------------------------------------------------------- 500 248 11 173 12| 0.0 15.9 15.9| 47.1 0.0 47.1 94.1 0.94| 15.9 15.0 1000 252 16 195 12| 2.8 7.9 10.7| 62.6 -2.2 60.4 60.4 0.65| 13.8 9.0 1500 257 15 194 11| 3.7 5.3 9.0| 62.6 -10.5 52.1 34.7 0.38| 11.6 4.4 2000 262 14 193 9| 3.0 4.0 6.9| 62.6 -10.8 51.8 25.9 0.37| 8.9 3.2 2500 266 13 191 8| 2.5 3.2 5.7| 62.6 -11.2 51.4 20.6 0.35| 7.2 2.5 3000 270 13 190 7| 2.0 2.6 4.7| 63.9 -11.4 52.5 17.5 0.36| 6.3 2.3 4000 274 14 198 7| 1.5 2.9 4.5| 70.0 -11.4 58.5 14.6 0.41| 5.7 2.3 5000 273 16 212 8| 1.2 3.2 4.4| 71.9 -11.7 60.2 12.0 0.36| 5.4 1.9 6000 272 18 225 9| 1.0 3.3 4.3| 83.2 -12.3 70.9 11.8 0.34| 5.2 1.8 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251127.00.gif