UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112800.upa.cvt Date: 0000Z 28 NOV 25 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 28 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 74 225 1 SFC 996 106 -4.9 -6.3 90 1.4 -5.4 225 1 268.6 268.9 268.0 275.0 2.39 2 972 298 -2.9 -4.2 91 1.3 -3.4 237 8 272.5 272.9 271.3 280.3 2.88 3 945 520 -4.7 -6.1 90 1.4 -5.2 250 15 272.8 273.3 271.1 279.9 2.56 4 938 579 -3.3 -4.9 89 1.6 -3.9 253 17 274.8 275.3 272.7 282.6 2.83 5 932 630 -1.5 -5.0 77 3.5 -2.8 256 19 277.2 277.7 274.0 285.0 2.82 6 925 690 -1.5 -8.5 59 7.0 -3.8 260 21 277.8 278.1 273.4 283.9 2.17 7 919 742 -1.5 -12.5 43 11.0 -4.8 262 21 278.3 278.6 272.8 282.9 1.59 8 886 1032 -3.1 -9.1 63 6.0 -5.1 273 23 279.6 279.9 274.4 285.7 2.16 9 850 1360 -4.3 -14.3 46 10.0 -7.2 285 25 281.6 281.9 274.5 286.0 1.48 10 791 1922 -8.1 -22.1 31 14.0 -11.2 270 28 283.4 283.6 274.5 285.9 0.82 11 720 2643 -14.5 -23.5 46 9.0 -16.3 251 32 284.1 284.3 274.9 286.6 0.80 12 700 2856 -13.9 -18.9 66 5.0 -15.1 245 33 287.1 287.3 277.0 290.8 1.23 13 671 3177 -13.7 -16.8 77 3.1 -14.5 247 35 290.8 291.1 279.3 295.5 1.53 14 664 3257 -14.3 -17.1 79 2.8 -15.0 247 36 291.0 291.3 279.4 295.6 1.51 15 527 4977 -23.3 -26.0 78 2.7 -23.8 258 49 300.1 300.2 282.5 302.9 0.87 16 500 5360 -26.1 -28.4 81 2.3 -26.5 260 52 301.2 301.4 282.8 303.6 0.74 17 400 6940 -38.9 -42.0 72 3.1 -39.1 260 50 304.4 304.5 283.5 305.3 0.24 18 376 7361 -42.1 -45.1 72 3.0 -42.3 271 58 305.6 305.7 283.9 306.3 0.18 19 340 8040 -43.3 -47.7 62 4.4 -43.5 288 70 312.9 313.0 286.6 313.5 0.15 20 300 8870 -49.5 -54.5 56 5.0 -49.7 310 85 315.6 315.6 287.4 315.9 0.08 21 293 9024 -49.9 -55.9 49 6.0 -50.1 310 86 317.2 317.2 287.9 317.4 0.07 22 292 9046 -50.3 -56.3 49 6.0 -50.5 310 87 316.9 316.9 287.8 317.1 0.06 23 291 9069 -51.5 -57.5 49 6.0 -51.7 310 87 315.5 315.5 287.3 315.7 0.06 24 290 9091 -51.6 -57.6 49 6.0 -51.8 310 87 315.6 315.6 287.3 315.8 0.05 25 250 10040 -57.1 -63.1 46 6.0 -57.2 305 75 321.2 321.2 289.2 321.3 0.03 26 245 10167 -57.7 -63.7 46 6.0 -57.8 305 75 322.1 322.1 289.5 322.3 0.03 27 218 10905 -56.5 -61.5 53 5.0 -56.6 305 61 334.9 334.9 293.1 335.1 0.04 28 200 11450 -57.7 -63.7 46 6.0 -57.8 305 50 341.4 341.4 294.7 341.5 0.04 29 177 12225 -56.1 -62.1 47 6.0 -56.2 299 47 356.2 356.2 298.0 356.4 0.05 30 150 13270 -59.9 -66.9 40 7.0 -60.0 290 44 366.9 366.9 300.0 367.0 0.03 31 128 14254 -62.7 -70.7 33 8.0 -62.8 292 42 378.9 378.9 302.1 379.0 0.02 32 100 15770 -64.3 -73.3 28 9.0 -64.4 295 38 403.5 403.5 305.7 403.6 0.02 33 71 17854 -67.5 -76.5 27 9.0 -67.6 300 38 438.2 438.2 309.7 438.3 0.02 34 70 17940 -66.7 -75.7 27 9.0 -66.8 300 38 441.7 441.7 310.1 441.8 0.02 35 65 18387 -65.9 -74.9 27 9.0 -66.1 299 37 452.9 452.9 311.1 453.0 0.02 36 55 19386 -70.5 -79.5 25 9.0 -70.6 296 36 464.5 464.5 312.2 464.6 0.01 37 50 19950 -70.3 -80.3 22 10.0 -70.4 295 35 477.8 477.8 313.3 477.9 0.01 38 40 21280 -69.1 -79.1 22 10.0 -69.3 512.3 512.3 315.8 512.4 0.02 39 32 22594 -74.9 -84.9 20 10.0 -75.0 530.6 530.6 316.9 530.6 0.01 TRP 245 10167 -57.7 -63.7 46 6.0 -57.8 305 75 322.1 322.1 289.5 322.3 0.03 WND 290 9091 -51.6 -57.6 49 6.0 -51.8 310 87 315.6 315.6 287.3 315.8 0.05 Sounding variables and indices 1000-500 mb thick: 5286.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.31 inches Sfc-500 mean rel hum: 65.66 % Est. max temperature: 8.29 C = 46.92 F Sfc-Lift cond lev (LCL): 974.04 mb = 281.50 m = 923.53 ft T: -3.07 C 700-500 lapse rate: 4.87 C/km ThetaE index: 2.18 C Layer 925.0- 886.0 mb Conv cond level (CCL): 775.61 mb = 2072.49 m = 6799.42 ft Mean mixing ratio: 2.41 g/kg Conv temperature: 10.12 C = 50.22 F Cap Strength: 16.29 C Lifted Index: 16.83 C Risk: None Lifted Index @300 mb: 24.37 C Lifted Index @700 mb: 7.82 C Showalter Index: 13.17 C Risk: None Total Totals Index: 33.60 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 11.80 C K Index: 2.50 Risk: None Sweat Index: 102.00 Risk: None Energy Index: 3.65 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 45.40 J/kg Max Up Vert Vel: 9.53 m/s Conv Inhibition (B-): 37526.12 J/kg Cap Strength: 16.67 C Lift Cond Lev (LCL): 888.48 mb = 1010.07 m = 3313.85 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 288 at 26 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 ---------------------------------------------------------- 0 996 106 225 1 0.7 0.7 | 110 26 -24.4 9.0 1 925 690 260 21 20.7 3.6 | 160 13 -4.4 11.9 2 850 1360 285 25 24.1 -6.5 | 152 2 -1.0 1.8 3 700 2856 245 33 29.9 13.9 | 192 23 4.8 22.2 4 500 5360 260 52 51.2 9.0 | 236 31 26.1 17.3 5 400 6940 260 50 49.2 8.7 | 235 30 24.1 17.0 6 300 8870 310 85 65.1 -54.6 | 319 61 40.0 -46.3 7 290 9091 310 87 66.6 -55.9 | 319 63 41.5 -47.6 8 250 10040 305 75 61.4 -43.0 | 314 50 36.3 -34.7 9 245 10167 305 75 61.4 -43.0 | 314 50 36.3 -34.7 10 200 11450 305 50 41.0 -28.7 | 322 26 15.8 -20.4 11 150 13270 290 44 41.3 -15.0 | 293 18 16.2 -6.8 12 100 15770 295 38 34.4 -16.1 | 310 12 9.3 -7.8 13 70 17940 300 38 32.9 -19.0 | 324 13 7.8 -10.7 14 50 19950 295 35 31.7 -14.8 | 315 9 6.6 -6.5 Wind Parameters Mean winds (0-6000m): 258.3 at 35.3 knts Storm direction: 288.3 at 26.4 knts Shear (0-3000m) pos: 4.4 neg: 3.2 tot: 7.6 10-3/s Storm rel Dir Shear (0-3000m): 87.0 deg Storm rel helicity (0-3000m) pos: 103.3 neg: -9.7 tot: 93.5 m^2/s^2 ave: 31.2 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 9.4 stream: 3.3 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.52 Bulk Shear: 87.82 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 ------------------------------------------------------------------------------- 500 259 9 123 19| 17.7 0.0 17.7| 78.8 0.0 78.8 157.7 0.79| 18.5 14.6 1000 264 16 136 14| 11.8 0.0 11.8| 89.7 0.0 89.7 89.7 0.62| 14.3 8.9 1500 272 19 140 10| 8.8 0.0 8.8| 91.1 -0.4 90.7 60.5 0.54| 11.8 6.4 2000 272 21 151 9| 6.6 1.8 8.4| 92.5 -0.5 92.0 46.0 0.47| 10.7 5.0 2500 267 23 166 10| 5.3 3.0 8.3| 92.5 -5.2 87.3 34.9 0.38| 10.1 3.8 3000 262 25 176 12| 4.4 3.2 7.6|103.3 -9.7 93.5 31.2 0.35| 9.4 3.3 4000 258 28 189 14| 4.4 2.4 6.8|156.0 -9.7 146.2 36.6 0.43| 8.2 3.5 5000 258 32 202 16| 4.4 1.9 6.4|215.6 -9.7 205.9 41.2 0.49| 7.4 3.7 6000 258 35 211 18| 3.9 1.6 5.5|232.0 -12.7 219.3 36.6 0.49| 6.5 3.2 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251128.00.gif