UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101600.upa.cvt Date: 0000Z 16 OCT 25 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 16 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 ------------------------------------------------------------------------------- 0 1000 55 200 3 SFC 993 112 4.0 2.8 92 1.2 3.4 200 3 277.7 278.5 276.9 290.6 4.71 2 950 472 2.8 1.1 89 1.7 2.0 228 18 280.0 280.8 277.7 292.1 4.36 3 925 687 1.2 -1.3 83 2.5 0.1 245 27 280.5 281.2 277.2 291.0 3.75 4 877 1113 -1.9 -3.7 87 1.8 -2.6 248 24 281.6 282.2 277.2 291.0 3.31 5 875 1131 -1.7 -3.5 87 1.8 -2.4 248 24 282.0 282.6 277.4 291.5 3.37 6 872 1158 -0.5 -2.6 86 2.1 -1.4 248 24 283.5 284.2 278.5 293.8 3.62 7 850 1363 0.6 -4.2 70 4.8 -1.4 250 23 286.8 287.3 279.7 296.3 3.29 8 844 1420 0.8 -5.2 64 6.0 -1.6 252 23 287.6 288.1 279.8 296.5 3.07 9 843 1429 0.6 -5.4 64 6.0 -1.8 252 23 287.5 288.0 279.7 296.2 3.03 10 815 1700 -1.3 -3.6 84 2.3 -2.3 261 21 288.2 288.9 280.7 298.6 3.59 11 798 1868 -1.5 -4.2 82 2.7 -2.6 266 20 289.8 290.4 281.3 300.0 3.51 12 700 2896 -9.3 -12.5 78 3.2 -10.3 300 15 292.2 292.6 280.7 298.5 2.09 13 662 3324 -13.1 -14.6 88 1.5 -13.5 301 17 292.6 292.9 280.6 298.3 1.86 14 628 3724 -14.7 -16.2 88 1.5 -15.1 302 19 295.2 295.5 281.5 300.5 1.72 15 627 3736 -14.9 -16.4 88 1.5 -15.3 302 19 295.1 295.4 281.5 300.3 1.69 16 617 3857 -16.9 -19.4 81 2.5 -17.5 302 20 294.2 294.4 280.6 298.3 1.33 17 587 4232 -16.1 -26.1 42 10.0 -18.1 303 21 299.4 299.5 282.1 301.9 0.77 18 580 4322 -16.1 -26.1 42 10.0 -18.1 303 22 300.4 300.5 282.5 302.9 0.78 19 572 4427 -17.1 -27.1 42 10.0 -19.0 303 22 300.4 300.5 282.5 302.8 0.72 20 522 5110 -18.5 -31.5 31 13.0 -20.8 304 25 306.7 306.8 284.7 308.5 0.53 21 505 5356 -20.3 -34.3 28 14.0 -22.5 305 27 307.4 307.5 284.9 308.8 0.41 22 500 5430 -21.1 -34.1 30 13.0 -23.1 305 27 307.3 307.4 284.8 308.8 0.43 23 465 5960 -25.9 -32.9 52 7.0 -26.9 310 28 307.8 307.9 285.1 309.6 0.52 24 456 6101 -25.9 -31.9 57 6.0 -26.8 311 28 309.5 309.6 285.8 311.5 0.58 25 423 6642 -28.1 -39.1 34 11.0 -29.3 316 28 313.4 313.5 286.9 314.5 0.31 26 400 7040 -31.1 -44.1 27 13.0 -32.3 320 29 314.6 314.6 287.2 315.3 0.19 27 397 7093 -31.5 -44.5 27 13.0 -32.6 321 29 314.7 314.8 287.2 315.4 0.18 28 348 8015 -37.9 -44.9 48 7.0 -38.4 330 33 318.2 318.2 288.4 318.9 0.20 29 300 9020 -46.9 -51.4 60 4.5 -47.1 340 38 319.3 319.3 288.6 319.7 0.11 30 291 9221 -48.5 -53.0 59 4.5 -48.7 342 40 319.8 319.8 288.8 320.1 0.10 31 250 10200 -56.1 -60.2 60 4.1 -56.2 350 48 322.7 322.7 289.6 322.8 0.05 32 219 11024 -63.3 -67.7 55 4.4 -63.3 345 46 324.0 324.0 290.0 324.1 0.02 33 207 11369 -63.5 -67.9 55 4.4 -63.6 348 47 328.9 329.0 291.5 329.0 0.02 34 200 11580 -61.7 -66.0 56 4.3 -61.7 350 48 335.1 335.1 293.1 335.2 0.03 35 182 12173 -57.9 -62.5 56 4.6 -58.0 347 40 350.4 350.4 296.8 350.6 0.05 36 156 13149 -57.9 -62.9 53 5.0 -58.0 341 28 366.2 366.2 299.9 366.4 0.05 37 152 13315 -54.5 -59.5 54 5.0 -54.7 340 26 374.8 374.8 301.5 375.1 0.08 38 150 13400 -54.5 -59.5 54 5.0 -54.7 340 25 376.2 376.2 301.7 376.6 0.08 39 130 14319 -53.1 -60.1 42 7.0 -53.4 331 21 394.4 394.4 304.5 394.8 0.09 40 100 16000 -55.5 -64.5 32 9.0 -55.8 315 15 420.5 420.5 307.8 420.8 0.07 41 70 18250 -57.9 -69.9 20 12.0 -58.3 330 13 460.5 460.5 311.8 460.8 0.04 42 50 20370 -57.9 -71.9 15 14.0 -58.5 310 13 507.0 507.0 315.5 507.3 0.05 43 44 21173 -60.3 -74.3 14 14.0 -60.9 313 12 520.1 520.1 316.3 520.3 0.04 44 30 23560 -60.9 -75.9 12 15.0 -61.6 320 9 578.6 578.6 319.6 578.9 0.04 45 20 26090 -59.1 -75.1 11 16.0 -60.4 320 13 655.3 655.3 322.9 655.9 0.07 46 19 26412 -58.7 -74.7 11 16.0 -60.1 666.2 666.2 323.3 666.9 0.08 TRP 219 11024 -63.3 -67.7 55 4.4 -63.3 345 46 324.0 324.0 290.0 324.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5375.00 m Freezing level: 906.42 mb = 851.87 m = 2794.83 ft Freezing level: 862.00 mb = 1251.43 m = 4105.69 ft Freezing level: 834.16 mb = 1514.71 m = 4969.46 ft Wetbulb zero: 922.61 mb = 707.66 m = 2321.68 ft Precipitable water: 0.53 inches Sfc-500 mean rel hum: 70.07 % Est. max temperature: 13.73 C = 56.71 F Sfc-Lift cond lev (LCL): 974.69 mb = 263.25 m = 863.66 ft T: 3.50 C 700-500 lapse rate: 4.66 C/km ThetaE index: 1.71 C Layer 700.0- 628.0 mb Conv cond level (CCL): 898.38 mb = 920.45 m = 3019.80 ft Mean mixing ratio: 4.11 g/kg Conv temperature: 7.42 C = 45.36 F Cap Strength: 14.34 C Lifted Index: 14.15 C Risk: None Lifted Index @300 mb: 19.88 C Lifted Index @700 mb: 5.45 C Showalter Index: 10.52 C Risk: None Total Totals Index: 38.60 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 16.90 C K Index: 14.30 Risk: None Sweat Index: 200.39 Risk: None Energy Index: 2.56 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.09 J/kg Max Up Vert Vel: 5.12 m/s Conv Inhibition (B-): 47331.13 J/kg Cap Strength: 14.34 C Lift Cond Lev (LCL): 915.31 mb = 771.20 m = 2530.16 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 316 at 16 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 ---------------------------------------------------------- 0 993 112 200 3 1.0 2.8 | 145 17 -10.0 14.2 1 925 687 245 27 24.5 11.4 | 211 26 13.5 22.8 2 850 1363 250 23 21.6 7.9 | 209 22 10.6 19.3 3 700 2896 300 15 13.0 -7.5 | 207 4 2.0 3.9 4 500 5430 305 27 22.1 -15.5 | 290 12 11.1 -4.1 5 400 7040 320 29 18.6 -22.2 | 325 13 7.6 -10.8 6 300 9020 340 38 13.0 -35.7 | 355 24 2.0 -24.3 7 250 10200 350 48 8.3 -47.3 | 4 36 -2.7 -35.9 8 219 11024 345 46 11.9 -44.4 | 358 33 0.9 -33.0 9 200 11580 350 48 8.3 -47.3 | 4 36 -2.7 -35.9 10 150 13400 340 25 8.6 -23.5 | 11 12 -2.5 -12.1 11 100 16000 315 15 10.6 -10.6 | 153 1 -0.4 0.8 12 70 18250 330 13 6.5 -11.3 | 92 5 -4.5 0.1 13 50 20370 310 13 10.0 -8.4 | 161 3 -1.1 3.0 14 30 23560 320 9 5.8 -6.9 | 131 7 -5.2 4.5 15 20 26090 320 13 8.4 -10.0 | 118 3 -2.7 1.4 Wind Parameters Mean winds (0-6000m): 286.0 at 21.1 knts Storm direction: 316.0 at 15.8 knts Shear (0-3000m) pos: 2.9 neg: 0.0 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 75.7 deg Storm rel helicity (0-3000m) pos: 167.3 neg: -5.9 tot: 161.5 m^2/s^2 ave: 53.8 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 4.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.43 Bulk Shear: 30.35 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 ------------------------------------------------------------------------------- 500 240 13 182 18| 22.3 0.0 22.3|124.2 0.0 124.2 248.3 0.93| 23.8 22.2 1000 244 20 198 21| 11.6 0.0 11.6|150.9 -2.2 148.6 148.6 0.84| 15.3 12.9 1500 247 21 202 21| 7.0 0.0 7.0|158.1 -3.9 154.2 102.8 0.75| 12.0 9.0 2000 251 21 205 20| 4.8 0.0 4.8|165.5 -3.9 161.6 80.8 0.68| 10.6 7.2 2500 256 20 207 18| 3.5 0.0 3.5|166.3 -4.4 161.8 64.7 0.60| 9.7 5.7 3000 260 19 209 17| 2.9 0.0 2.9|167.3 -5.9 161.5 53.8 0.55| 8.7 4.8 4000 270 19 216 14| 2.8 0.0 2.8|172.9 -5.9 167.0 41.7 0.58| 7.1 4.1 5000 279 20 226 12| 2.7 0.0 2.7|178.8 -5.9 173.0 34.6 0.57| 6.2 3.6 6000 286 21 239 11| 2.5 0.0 2.5|190.8 -5.9 184.9 30.8 0.59| 5.6 3.3 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251016.00.gif