UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011800.upa.cvt Date: 0000Z 18 JAN 26 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 18 JAN 26 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 1017 107 -5.3 -7.5 84 2.2 -6.0 200 11 266.6 266.9 266.2 272.3 2.13 1 1000 239 -5.7 -8.5 81 2.8 -6.5 230 19 267.5 267.8 266.6 272.9 2.01 2 993 294 -6.3 -8.9 82 2.6 -7.1 235 20 267.4 267.7 266.5 272.7 1.96 3 982 381 -4.1 -6.4 84 2.3 -4.8 244 21 270.5 270.8 269.3 277.0 2.41 4 964 527 -3.9 -5.8 87 1.9 -4.6 258 23 272.1 272.5 270.6 279.1 2.57 5 948 660 -0.5 -2.0 90 1.5 -1.1 271 24 276.8 277.4 274.8 286.4 3.48 6 925 856 -1.7 -3.4 88 1.7 -2.4 290 27 277.6 278.1 274.8 286.5 3.21 7 850 1523 -6.5 -8.5 86 2.0 -7.2 290 29 279.3 279.7 274.6 286.0 2.36 8 839 1625 -7.3 -9.1 87 1.8 -7.9 290 30 279.5 279.9 274.6 286.0 2.28 9 837 1643 -5.5 -7.4 86 1.9 -6.2 290 30 281.6 282.1 276.2 289.1 2.62 10 834 1671 -5.5 -7.4 86 1.9 -6.2 290 30 281.9 282.4 276.3 289.4 2.62 11 796 2037 -4.7 -10.7 63 6.0 -6.7 290 32 286.6 286.9 278.0 292.8 2.12 12 700 3041 -8.3 -37.3 8 29.0 -13.0 290 38 293.3 293.3 278.6 294.0 0.22 13 688 3175 -8.9 -41.9 5 33.0 -13.6 289 39 294.1 294.1 278.9 294.6 0.14 14 680 3266 -9.7 -44.7 4 35.0 -14.3 289 39 294.2 294.2 278.9 294.5 0.10 15 500 5560 -27.9 -34.9 51 7.0 -28.7 280 48 299.0 299.1 281.5 300.3 0.39 16 435 6541 -35.3 -38.2 75 2.9 -35.5 280 54 301.8 301.8 282.5 302.9 0.33 17 427 6669 -35.5 -38.3 75 2.8 -35.7 280 55 303.1 303.2 283.1 304.3 0.33 18 400 7120 -37.7 -40.8 73 3.1 -37.9 280 58 306.0 306.0 284.2 306.9 0.27 19 381 7454 -40.1 -43.8 68 3.7 -40.4 280 59 307.1 307.2 284.5 307.9 0.21 20 371 7634 -43.1 -47.2 64 4.1 -43.3 280 60 305.5 305.5 283.8 306.0 0.15 21 300 9030 -54.5 -58.6 60 4.1 -54.6 280 66 308.5 308.5 284.8 308.7 0.05 22 293 9181 -56.1 -59.9 62 3.8 -56.2 281 67 308.3 308.4 284.8 308.5 0.04 23 250 10180 -61.9 -65.8 59 3.9 -61.9 290 73 314.0 314.0 286.8 314.1 0.02 24 234 10585 -63.9 -67.7 59 3.9 -63.9 290 75 317.0 317.0 287.8 317.1 0.02 25 216 11071 -66.3 -70.1 59 3.8 -66.3 285 66 320.6 320.6 288.9 320.7 0.01 26 214 11127 -65.1 -69.2 57 4.1 -65.1 285 66 323.3 323.4 289.8 323.4 0.02 27 200 11540 -62.9 -67.2 56 4.3 -63.0 285 64 333.2 333.2 292.6 333.2 0.02 28 191 11823 -61.7 -65.9 57 4.2 -61.7 285 60 339.5 339.5 294.2 339.6 0.03 29 150 13310 -62.5 -67.1 54 4.6 -62.6 285 40 362.4 362.4 299.2 362.5 0.03 30 135 13955 -65.1 -69.6 54 4.5 -65.1 284 36 368.9 368.9 300.4 369.0 0.02 31 117 14835 -61.1 -66.1 51 5.0 -61.2 282 31 391.7 391.7 304.0 391.9 0.05 32 100 15800 -65.3 -71.3 43 6.0 -65.4 280 25 401.6 401.6 305.5 401.7 0.03 33 90 16438 -68.9 -74.9 42 6.0 -68.9 279 29 406.7 406.7 306.1 406.8 0.02 34 70 17940 -70.3 -76.3 41 6.0 -70.4 275 38 434.0 434.0 309.3 434.1 0.02 35 64 18476 -68.1 -74.1 42 6.0 -68.2 275 40 450.1 450.1 310.9 450.2 0.03 36 50 19940 -73.7 -79.7 39 6.0 -73.7 275 44 469.8 469.8 312.6 469.9 0.01 37 49 20058 -73.9 -79.9 39 6.0 -74.0 472.1 472.1 312.8 472.1 0.01 38 35 22010 -76.3 -83.3 32 7.0 -76.4 513.5 513.5 315.9 513.6 0.01 TRP 216 11071 -66.3 -70.1 59 3.8 -66.3 285 66 320.6 320.6 288.9 320.7 0.01 WND 234 10585 -63.9 -67.7 59 3.9 -63.9 290 75 317.0 317.0 287.8 317.1 0.02 Sounding variables and indices 1000-500 mb thick: 5321.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.32 inches Sfc-500 mean rel hum: 47.53 % Est. max temperature: 7.13 C = 44.83 F Sfc-Lift cond lev (LCL): 982.07 mb = 380.86 m = 1249.53 ft T: -4.11 C 700-500 lapse rate: 7.78 C/km ThetaE index: 0.45 C Layer 850.0- 837.0 mb Conv cond level (CCL): 1000.00 mb = 239.00 m = 784.11 ft Mean mixing ratio: 2.70 g/kg Conv temperature: -3.38 C = 25.92 F Cap Strength: 14.93 C Lifted Index: 16.08 C Risk: None Lifted Index @300 mb: 20.30 C Lifted Index @700 mb: 14.41 C Showalter Index: 11.34 C Risk: None Total Totals Index: 40.80 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 19.40 C K Index: -16.10 Risk: None Sweat Index: 106.00 Risk: None Energy Index: 3.10 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 55.18 J/kg Max Up Vert Vel: 10.50 m/s Conv Inhibition (B-): 36123.46 J/kg Cap Strength: 16.04 C Lift Cond Lev (LCL): 938.58 mb = 739.86 m = 2427.32 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 314 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 1017 107 200 11 3.8 10.3 | 151 34 -16.2 29.7 1 1000 239 230 19 14.6 12.2 | 170 32 -5.4 31.6 2 925 856 290 27 25.4 -9.2 | 208 11 5.4 10.1 3 850 1523 290 29 27.3 -9.9 | 218 12 7.3 9.4 4 700 3041 290 38 35.7 -13.0 | 248 17 15.8 6.4 5 500 5560 280 48 47.3 -8.3 | 248 29 27.3 11.0 6 400 7120 280 58 57.1 -10.1 | 256 38 37.2 9.3 7 300 9030 280 66 65.0 -11.5 | 260 46 45.1 7.9 8 250 10180 290 73 68.6 -25.0 | 277 49 48.7 -5.6 9 234 10585 290 75 70.5 -25.7 | 277 51 50.5 -6.3 10 216 11071 285 66 63.8 -17.1 | 267 44 43.8 2.3 11 200 11540 285 64 61.8 -16.6 | 266 42 41.9 2.8 12 150 13310 285 40 38.6 -10.4 | 244 21 18.7 9.0 13 100 15800 280 25 24.6 -4.3 | 197 16 4.7 15.0 14 70 17940 275 38 37.9 -3.3 | 228 24 17.9 16.0 15 50 19940 275 44 43.8 -3.8 | 237 28 23.9 15.5 Wind Parameters Mean winds (0-6000m): 284.1 at 37.1 knts Storm direction: 314.1 at 27.8 knts Shear (0-3000m) pos: 5.1 neg: 1.8 tot: 6.9 10-3/s Storm rel Dir Shear (0-3000m): 96.8 deg Storm rel helicity (0-3000m) pos: 217.3 neg: 0.0 tot: 217.3 m^2/s^2 ave: 72.4 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 5.9 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 0.64 Bulk Shear: 86.14 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 ------------------------------------------------------------------------------- 500 244 20 175 28| 22.3 0.0 22.3|161.5 0.0 161.5 323.0 0.80| 25.9 20.8 1000 270 23 189 20| 15.4 0.0 15.4|186.3 0.0 186.3 186.3 0.70| 19.1 13.4 1500 278 25 196 17| 10.2 0.6 10.8|191.5 0.0 191.5 127.7 0.72| 13.3 9.5 2000 282 26 203 15| 7.7 1.2 8.9|200.4 0.0 200.4 100.2 0.73| 10.7 7.8 2500 284 28 209 15| 6.1 1.6 7.7|209.3 0.0 209.3 83.7 0.73| 9.2 6.8 3000 285 29 216 14| 5.1 1.8 6.9|217.3 0.0 217.3 72.4 0.73| 8.2 5.9 4000 286 32 226 15| 3.8 1.9 5.7|218.9 0.0 218.9 54.7 0.67| 6.7 4.5 5000 285 35 233 17| 3.1 2.0 5.0|218.9 -1.7 217.2 43.4 0.60| 5.9 3.6 6000 284 37 237 19| 2.6 2.1 4.7|233.1 -3.5 229.6 38.3 0.57| 5.4 3.1 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20260118.00.gif