UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120300.upa.cvt Date: 0000Z 3 DEC 25 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 3 DEC 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 1007 110 3.4 2.3 92 1.1 2.9 250 7 276.0 276.8 275.7 288.2 4.48 1 1000 166 2.8 1.0 88 1.8 2.0 245 9 276.0 276.6 275.2 287.1 4.11 2 925 793 -1.3 -2.7 90 1.4 -1.9 240 27 278.0 278.6 275.3 287.4 3.38 3 873 1252 -3.7 -5.8 85 2.1 -4.5 250 28 280.1 280.6 275.7 288.1 2.84 4 868 1298 -4.3 -7.3 80 3.0 -5.3 251 29 280.0 280.4 275.2 287.2 2.54 5 850 1463 -4.5 -10.5 63 6.0 -6.4 255 29 281.4 281.8 275.2 287.2 2.02 6 794 2000 -4.3 -22.3 23 18.0 -8.7 267 27 287.2 287.3 276.5 289.7 0.80 7 791 2030 -4.5 -23.5 21 19.0 -8.9 268 27 287.3 287.4 276.4 289.5 0.73 8 770 2241 -5.7 -20.7 30 15.0 -9.5 273 26 288.2 288.4 277.2 291.1 0.95 9 762 2323 -6.1 -21.1 29 15.0 -9.8 275 26 288.6 288.8 277.4 291.5 0.93 10 752 2427 -3.7 -8.6 69 4.9 -5.5 277 25 292.3 292.8 281.4 300.2 2.65 11 736 2596 -4.3 -6.1 87 1.8 -5.0 281 25 293.5 294.1 282.7 303.2 3.29 12 710 2879 -5.5 -7.8 84 2.3 -6.4 287 23 295.2 295.7 283.1 304.2 2.99 13 700 2990 -6.1 -8.5 83 2.4 -7.0 290 23 295.7 296.2 283.1 304.4 2.87 14 500 5540 -22.1 -24.1 84 2.0 -22.5 285 29 306.1 306.3 285.2 309.7 1.09 15 477 5886 -23.9 -26.6 78 2.7 -24.4 287 30 308.0 308.2 285.7 311.1 0.91 16 400 7150 -33.9 -37.5 70 3.6 -34.3 295 36 310.9 311.0 286.1 312.3 0.38 17 361 7857 -39.3 -43.0 68 3.7 -39.6 297 37 313.0 313.0 286.7 313.8 0.24 18 300 9090 -50.1 -53.6 66 3.5 -50.2 300 38 314.7 314.8 287.1 315.1 0.09 19 258 10053 -58.9 -62.6 62 3.7 -58.9 308 38 315.6 315.7 287.3 315.8 0.03 20 250 10250 -60.1 -63.8 62 3.7 -60.2 310 38 316.7 316.7 287.7 316.8 0.03 21 215 11182 -66.7 -70.1 62 3.4 -66.7 313 50 320.4 320.4 288.9 320.5 0.01 22 200 11620 -68.1 -71.8 59 3.7 -68.1 315 56 324.9 324.9 290.3 325.0 0.01 23 197 11711 -68.7 -72.5 58 3.8 -68.7 320 56 325.4 325.4 290.4 325.4 0.01 24 190 11927 -69.1 -72.9 58 3.8 -69.1 319 53 328.1 328.1 291.2 328.1 0.01 25 182 12186 -67.5 -71.2 59 3.7 -67.5 317 49 334.8 334.8 293.0 334.8 0.01 26 173 12490 -69.3 -73.1 58 3.8 -69.3 315 45 336.7 336.7 293.5 336.7 0.01 27 150 13350 -65.5 -69.2 60 3.7 -65.5 310 33 357.2 357.3 298.2 357.3 0.02 28 138 13860 -61.7 -65.3 62 3.6 -61.8 305 32 372.6 372.6 301.1 372.8 0.04 29 100 15840 -63.9 -68.1 56 4.2 -64.0 285 29 404.3 404.3 305.8 404.5 0.04 30 73 17764 -66.7 -71.3 52 4.6 -66.8 281 27 436.4 436.4 309.6 436.6 0.03 31 70 18020 -64.7 -69.3 53 4.6 -64.8 280 27 446.0 446.0 310.5 446.2 0.05 32 67 18287 -63.7 -68.6 51 4.9 -63.8 281 27 453.8 453.8 311.3 454.1 0.06 33 50 20050 -69.5 -74.5 48 5.0 -69.6 290 25 479.7 479.7 313.4 479.9 0.03 34 42 21084 -72.1 -77.1 47 5.0 -72.2 288 29 497.8 497.8 314.8 498.0 0.03 35 37 21833 -70.7 -75.7 48 5.0 -70.8 287 31 519.8 519.8 316.3 520.0 0.04 36 30 23060 -76.1 -82.1 38 6.0 -76.2 285 36 537.2 537.2 317.3 537.3 0.02 37 28 23457 -77.1 -83.1 38 6.0 -77.1 545.1 545.1 317.8 545.2 0.01 38 24 24346 -75.7 -81.7 38 6.0 -75.8 573.7 573.7 319.3 573.9 0.02 TRP 197 11711 -68.7 -72.5 58 3.8 -68.7 320 56 325.4 325.4 290.4 325.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5374.00 m Freezing level: 948.78 mb = 594.19 m = 1949.43 ft Wetbulb zero: 960.98 mb = 486.10 m = 1594.80 ft Precipitable water: 0.52 inches Sfc-500 mean rel hum: 76.08 % Est. max temperature: 8.27 C = 46.88 F Sfc-Lift cond lev (LCL): 989.92 mb = 247.47 m = 811.88 ft T: 2.27 C 700-500 lapse rate: 6.27 C/km ThetaE index: 1.02 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 917.48 mb = 857.78 m = 2814.21 ft Mean mixing ratio: 3.70 g/kg Conv temperature: 5.69 C = 42.24 F Cap Strength: 11.31 C Lifted Index: 16.14 C Risk: None Lifted Index @300 mb: 19.46 C Lifted Index @700 mb: 11.31 C Showalter Index: 16.20 C Risk: None Total Totals Index: 29.20 C Risk: None Vertical Totals Index: 17.60 C Cross Totals Index: 11.60 C K Index: 4.70 Risk: None Sweat Index: 87.00 Risk: None Energy Index: 4.73 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.59 J/kg Max Up Vert Vel: 4.14 m/s Conv Inhibition (B-): 37326.63 J/kg Cap Strength: 16.04 C Lift Cond Lev (LCL): 933.26 mb = 721.52 m = 2367.17 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 305 at 19 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 1007 110 250 7 6.6 2.4 | 146 16 -9.2 13.5 1 1000 166 245 9 8.2 3.8 | 153 17 -7.6 14.9 2 925 793 240 27 23.4 13.5 | 197 26 7.6 24.6 3 850 1463 255 29 28.0 7.5 | 213 22 12.3 18.6 4 700 2990 290 23 21.6 -7.9 | 241 7 5.9 3.2 5 500 5540 285 29 28.0 -7.5 | 254 13 12.3 3.6 6 400 7150 295 36 32.6 -15.2 | 284 17 16.9 -4.1 7 300 9090 300 38 32.9 -19.0 | 295 19 17.2 -7.9 8 250 10250 310 38 29.1 -24.4 | 315 19 13.4 -13.4 9 200 11620 315 56 39.6 -39.6 | 320 37 23.9 -28.5 10 197 11711 320 56 36.0 -42.9 | 328 38 20.3 -31.8 11 150 13350 310 33 25.3 -21.2 | 317 14 9.5 -10.1 12 100 15840 285 29 28.0 -7.5 | 254 13 12.3 3.6 13 70 18020 280 27 26.6 -4.7 | 240 13 10.9 6.4 14 50 20050 290 25 23.5 -8.6 | 252 8 7.8 2.5 15 30 23060 285 36 34.8 -9.3 | 265 19 19.0 1.8 Wind Parameters Mean winds (0-6000m): 275.1 at 25.7 knts Storm direction: 305.1 at 19.2 knts Shear (0-3000m) pos: 3.2 neg: 2.5 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 96.9 deg Storm rel helicity (0-3000m) pos: 155.8 neg: 0.0 tot: 155.8 m^2/s^2 ave: 51.9 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 5.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.27 Bulk Shear: 31.65 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 ------------------------------------------------------------------------------- 500 243 15 171 18| 0.0 15.3 15.3| 64.3 0.0 64.3 128.5 0.91| 15.3 13.9 1000 242 20 187 21| 3.4 7.6 11.1|106.4 0.0 106.4 106.4 0.85| 12.1 10.3 1500 247 23 195 21| 3.4 5.1 8.5|133.5 0.0 133.5 89.0 0.84| 10.1 8.4 2000 251 24 201 20| 3.3 3.8 7.1|145.7 0.0 145.7 72.9 0.77| 9.1 7.0 2500 256 24 205 19| 3.3 3.1 6.3|152.7 0.0 152.7 61.1 0.72| 8.4 6.0 3000 260 24 209 17| 3.2 2.5 5.7|155.8 0.0 155.8 51.9 0.68| 7.7 5.2 4000 267 24 215 15| 2.4 2.2 4.6|157.8 0.0 157.8 39.5 0.67| 6.1 4.1 5000 272 25 222 14| 1.9 2.0 3.9|159.5 0.0 159.5 31.9 0.65| 5.1 3.3 6000 275 26 228 13| 1.8 1.8 3.6|170.0 0.0 170.0 28.3 0.65| 4.6 3.0 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251203.00.gif