UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110912.upa.cvt Date: 1200Z 9 NOV 25 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 9 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 47 250 5 SFC 992 113 6.4 5.3 93 1.1 5.9 250 5 280.2 281.2 279.4 295.6 5.63 2 925 683 2.6 1.2 90 1.4 2.0 265 31 282.0 282.7 278.9 294.5 4.51 3 862 1251 -0.5 -2.0 90 1.5 -1.2 278 29 284.5 285.1 279.3 295.3 3.83 4 850 1363 0.2 -1.3 90 1.5 -0.4 280 29 286.4 287.1 280.4 298.0 4.09 5 844 1420 0.6 -0.6 92 1.2 0.1 280 29 287.4 288.1 281.2 299.7 4.34 6 707 2826 -5.5 -9.8 72 4.3 -7.1 285 38 295.6 296.0 282.7 303.3 2.57 7 700 2904 -6.1 -10.1 73 4.0 -7.5 285 38 295.7 296.2 282.7 303.4 2.53 8 637 3633 -11.5 -13.5 85 2.0 -12.1 285 41 297.7 298.1 283.1 304.2 2.12 9 618 3864 -12.1 -14.7 81 2.6 -12.9 285 42 299.6 299.9 283.7 305.7 1.98 10 614 3914 -12.3 -15.2 79 2.9 -13.2 285 42 299.9 300.2 283.7 305.9 1.91 11 535 4951 -18.9 -22.2 75 3.3 -19.7 285 46 304.1 304.3 284.5 308.0 1.21 12 500 5450 -22.9 -25.6 79 2.7 -23.4 285 48 305.1 305.3 284.7 308.3 0.95 13 451 6199 -28.7 -31.6 76 2.9 -29.1 285 53 307.0 307.1 284.9 309.0 0.60 14 400 7050 -34.3 -37.1 76 2.8 -34.6 285 58 310.4 310.5 285.9 311.8 0.40 15 365 7685 -37.5 -41.3 68 3.8 -37.8 285 61 314.4 314.4 287.2 315.4 0.28 16 338 8210 -41.7 -46.2 62 4.5 -42.0 285 63 315.6 315.7 287.5 316.3 0.18 17 335 8270 -43.5 -48.2 60 4.7 -43.7 285 63 314.0 314.0 286.9 314.5 0.14 18 301 8978 -50.1 -55.1 55 5.0 -50.3 285 66 314.4 314.4 287.0 314.7 0.07 19 300 9000 -50.3 -55.3 55 5.0 -50.4 285 66 314.5 314.5 287.0 314.7 0.07 20 273 9614 -53.7 -58.7 54 5.0 -53.8 285 68 318.1 318.1 288.2 318.3 0.05 21 260 9928 -54.4 -59.4 54 5.0 -54.5 285 68 321.6 321.6 289.3 321.8 0.05 22 250 10180 -54.9 -59.9 54 5.0 -55.0 290 68 324.4 324.5 290.2 324.6 0.05 23 204 11474 -56.5 -62.5 47 6.0 -56.6 290 59 341.4 341.4 294.7 341.5 0.04 24 200 11600 -56.3 -62.3 47 6.0 -56.4 290 58 343.6 343.6 295.2 343.8 0.04 25 150 13410 -58.9 -67.9 30 9.0 -59.0 290 54 368.6 368.6 300.4 368.7 0.03 26 145 13622 -59.3 -68.3 30 9.0 -59.5 290 54 371.5 371.5 300.8 371.6 0.03 27 117 14948 -64.9 -74.9 24 10.0 -65.0 293 53 384.7 384.7 303.0 384.7 0.01 28 100 15910 -62.9 -73.9 21 11.0 -63.1 295 52 406.2 406.2 306.0 406.3 0.02 29 96 16161 -62.5 -73.5 21 11.0 -62.7 296 52 411.7 411.8 306.7 411.8 0.02 30 70 18090 -65.9 -77.9 17 12.0 -66.1 300 50 443.4 443.4 310.2 443.5 0.01 31 50 20100 -70.9 -82.9 15 12.0 -71.0 295 52 476.4 476.4 313.2 476.5 0.01 32 43 20992 -72.5 -84.5 15 12.0 -72.6 299 51 493.5 493.5 314.5 493.5 0.01 33 31 22908 -74.5 -86.5 14 12.0 -74.6 309 50 536.5 536.5 317.3 536.5 0.01 34 30 23100 -73.5 -85.5 14 12.0 -73.6 310 50 544.3 544.3 317.8 544.3 0.01 35 28 23504 -72.1 -84.1 15 12.0 -72.3 308 50 559.0 559.0 318.6 559.1 0.01 36 22 24909 -75.7 -87.7 14 12.0 -75.9 302 52 588.2 588.2 320.0 588.3 0.01 37 20 25460 -74.9 -86.9 14 12.0 -75.1 300 52 606.9 606.9 320.9 607.0 0.01 38 17 26408 -73.9 -85.9 14 12.0 -74.1 295 52 639.0 639.0 322.3 639.1 0.01 39 15 27132 -78.5 -89.5 15 11.0 -78.6 292 51 647.0 647.0 322.6 647.0 0.01 40 14 27526 -78.5 -89.5 15 11.0 -78.6 290 51 659.9 659.9 323.0 659.9 0.01 41 12 28414 -75.1 -87.1 14 12.0 -75.4 285 51 701.7 701.7 324.5 701.8 0.02 42 10 29470 -76.1 -88.1 13 12.0 -76.4 280 50 735.5 735.5 325.5 735.6 0.02 43 9.2 29951 -76.5 -88.5 13 12.0 -76.8 751.7 751.7 326.0 751.8 0.02 44 8.7 30275 -73.3 -85.3 14 12.0 -73.7 776.2 776.3 326.7 776.5 0.03 45 6.9 31631 -73.5 -85.5 14 12.0 -74.0 828.6 828.6 327.9 829.0 0.04 46 5.8 32653 -71.1 -83.1 15 12.0 -72.0 881.3 881.3 329.1 882.0 0.07 TRP 273 9614 -53.7 -58.7 54 5.0 -53.8 285 68 318.1 318.1 288.2 318.3 0.05 WND 260 9928 -54.4 -59.4 54 5.0 -54.5 285 68 321.6 321.6 289.3 321.8 0.05 Sounding variables and indices 1000-500 mb thick: 5403.00 m Freezing level: 872.16 mb = 1159.12 m = 3802.84 ft Freezing level: 853.43 mb = 1330.91 m = 4366.45 ft Freezing level: 830.52 mb = 1558.15 m = 5111.97 ft Wetbulb zero: 885.37 mb = 1035.38 m = 3396.87 ft Precipitable water: 0.64 inches Sfc-500 mean rel hum: 81.95 % Est. max temperature: 13.66 C = 56.58 F Sfc-Lift cond lev (LCL): 975.50 mb = 249.68 m = 819.14 ft T: 5.49 C 700-500 lapse rate: 6.60 C/km ThetaE index: 1.11 C Layer 925.0- 862.0 mb Conv cond level (CCL): 909.74 mb = 816.86 m = 2679.94 ft Mean mixing ratio: 4.82 g/kg Conv temperature: 8.76 C = 47.77 F Cap Strength: 9.44 C Lifted Index: 9.66 C Risk: None Lifted Index @300 mb: 13.90 C Lifted Index @700 mb: 6.30 C Showalter Index: 7.46 C Risk: None Total Totals Index: 44.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.10 C Cross Totals Index: 21.60 C K Index: 17.80 Risk: < 20 % chance of thunderstorms Sweat Index: 106.00 Risk: None Energy Index: 2.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.61 J/kg Max Up Vert Vel: 4.61 m/s Conv Inhibition (B-): 52939.50 J/kg Cap Strength: 9.64 C Lift Cond Lev (LCL): 922.86 mb = 701.65 m = 2301.97 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 312 at 28 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 ---------------------------------------------------------- 0 992 113 250 5 4.7 1.7 | 142 26 -16.2 20.8 1 925 683 265 31 30.9 2.7 | 205 24 10.0 21.8 2 850 1363 280 29 28.6 -5.0 | 209 16 7.7 14.1 3 700 2904 285 38 36.7 -9.8 | 240 18 15.8 9.3 4 500 5450 285 48 46.4 -12.4 | 255 26 25.5 6.7 5 400 7050 285 58 56.0 -15.0 | 263 35 35.2 4.1 6 300 9000 285 66 63.8 -17.1 | 267 43 42.9 2.0 7 273 9614 285 68 65.7 -17.6 | 268 45 44.8 1.5 8 260 9928 285 68 65.7 -17.6 | 268 45 44.8 1.5 9 250 10180 290 68 63.9 -23.3 | 276 43 43.0 -4.2 10 200 11600 290 58 54.5 -19.8 | 271 34 33.6 -0.7 11 150 13410 290 54 50.7 -18.5 | 269 30 29.9 0.6 12 100 15910 295 52 47.1 -22.0 | 276 26 26.3 -2.9 13 70 18090 300 50 43.3 -25.0 | 285 23 22.4 -5.9 14 50 20100 295 52 47.1 -22.0 | 276 26 26.3 -2.9 15 30 23100 310 50 38.3 -32.1 | 307 22 17.4 -13.0 16 20 25460 300 52 45.0 -26.0 | 286 25 24.2 -6.9 17 10 29470 280 50 49.2 -8.7 | 250 30 28.4 10.4 Wind Parameters Mean winds (0-6000m): 282.5 at 37.7 knts Storm direction: 312.5 at 28.3 knts Shear (0-3000m) pos: 6.0 neg: 0.0 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 99.3 deg Storm rel helicity (0-3000m) pos: 214.9 neg: 0.0 tot: 214.9 m^2/s^2 ave: 71.6 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 6.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.15 Bulk Shear: 70.11 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 ------------------------------------------------------------------------------- 500 263 16 168 22| 23.6 0.0 23.6|143.2 0.0 143.2 286.4 0.98| 23.9 23.4 1000 267 23 187 21| 13.0 0.0 13.0|169.8 0.0 169.8 169.8 0.86| 16.1 14.0 1500 271 25 194 19| 9.0 0.0 9.0|177.8 0.0 177.8 118.5 0.81| 12.2 9.9 2000 274 27 200 18| 7.5 0.0 7.5|190.8 0.0 190.8 95.4 0.83| 9.9 8.2 2500 277 29 206 17| 6.6 0.0 6.6|204.1 0.0 204.1 81.7 0.84| 8.6 7.2 3000 278 30 211 17| 6.0 0.0 6.0|214.9 0.0 214.9 71.6 0.84| 7.6 6.4 4000 280 33 221 17| 4.5 0.5 5.0|228.5 0.0 228.5 57.1 0.82| 6.2 5.1 5000 282 35 229 18| 3.6 0.8 4.4|242.1 0.0 242.1 48.4 0.80| 5.4 4.3 6000 282 38 236 19| 3.0 1.1 4.1|260.9 0.0 260.9 43.5 0.77| 4.9 3.8 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251109.12.gif