UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011700.upa.cvt Date: 0000Z 17 JAN 26 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 17 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 1022 110 -8.5 -11.8 77 3.3 -9.3 225 1 263.0 263.3 262.5 267.1 1.51 1 1001 271 -8.3 -13.2 68 4.9 -9.5 220 11 264.8 265.0 263.6 268.5 1.38 2 1000 279 -7.9 -12.9 67 5.0 -9.2 220 11 265.2 265.5 264.0 269.1 1.41 3 991 350 -4.3 -10.3 63 6.0 -6.1 222 14 269.5 269.8 267.6 274.4 1.76 4 983 414 -3.5 -11.5 54 8.0 -5.8 224 16 271.0 271.2 268.3 275.5 1.61 5 978 454 -3.1 -11.1 54 8.0 -5.4 226 17 271.8 272.1 269.0 276.4 1.67 6 933 825 -4.7 -10.7 63 6.0 -6.5 238 31 273.8 274.1 270.5 278.9 1.81 7 925 893 -4.3 -10.3 63 6.0 -6.1 240 33 274.9 275.2 271.2 280.2 1.88 8 913 996 -4.3 -9.3 68 5.0 -5.9 238 31 275.9 276.3 272.2 281.7 2.07 9 887 1224 -4.3 -19.3 30 15.0 -7.9 235 28 278.2 278.4 271.7 281.0 0.93 10 850 1560 -4.3 -10.3 63 6.0 -6.2 230 23 281.6 282.0 275.4 287.5 2.05 11 841 1644 -3.9 -11.9 54 8.0 -6.4 231 23 282.9 283.2 275.7 288.2 1.82 12 830 1747 -4.5 -17.5 35 13.0 -8.0 232 23 283.4 283.6 275.0 286.8 1.16 13 797 2066 -5.9 -20.9 29 15.0 -9.5 237 22 285.2 285.3 275.6 287.9 0.91 14 768 2356 -5.5 -17.5 38 12.0 -8.8 240 22 288.6 288.9 277.9 292.5 1.26 15 700 3077 -9.3 -30.3 16 21.0 -13.3 250 21 292.2 292.3 278.4 293.6 0.44 16 687 3222 -10.3 -32.3 15 22.0 -14.2 251 21 292.6 292.7 278.6 293.9 0.37 17 679 3312 -10.7 -28.7 21 18.0 -14.2 252 21 293.2 293.3 279.0 294.9 0.53 18 626 3930 -16.9 -23.9 55 7.0 -18.3 258 22 293.0 293.1 279.4 295.8 0.89 19 605 4186 -17.9 -22.9 65 5.0 -19.0 261 22 294.7 294.9 280.4 297.9 1.00 20 500 5590 -25.9 -29.5 72 3.6 -26.5 275 23 301.5 301.6 282.8 303.7 0.66 21 490 5735 -26.9 -30.5 71 3.6 -27.4 276 24 302.0 302.1 283.0 304.0 0.62 22 400 7160 -38.1 -42.0 67 3.9 -38.4 285 35 305.5 305.5 283.9 306.3 0.24 23 300 9080 -53.5 -57.5 62 4.0 -53.6 290 42 309.9 309.9 285.4 310.1 0.05 24 250 10220 -62.5 -66.4 59 3.9 -62.6 300 54 313.1 313.2 286.5 313.2 0.02 25 215 11135 -65.5 -69.3 59 3.8 -65.5 315 64 322.3 322.3 289.5 322.4 0.02 26 200 11570 -66.9 -70.7 59 3.8 -67.0 310 54 326.8 326.8 290.8 326.9 0.01 27 187 11977 -65.1 -69.1 58 4.0 -65.1 311 49 336.1 336.1 293.3 336.1 0.02 28 161 12893 -62.1 -66.2 58 4.1 -62.1 314 37 355.8 355.8 297.9 356.0 0.03 29 150 13330 -61.9 -66.0 58 4.1 -62.0 315 31 363.4 363.4 299.4 363.6 0.04 30 140 13755 -63.3 -67.6 56 4.3 -63.4 312 30 368.2 368.2 300.2 368.4 0.03 31 133 14073 -59.5 -63.9 56 4.4 -59.6 309 30 380.4 380.4 302.3 380.7 0.05 32 101 15788 -61.3 -66.3 51 5.0 -61.4 295 27 408.1 408.1 306.3 408.4 0.05 33 100 15850 -61.9 -66.9 51 5.0 -62.0 295 27 408.1 408.1 306.3 408.4 0.05 34 89 16561 -66.5 -71.5 49 5.0 -66.6 293 27 412.8 412.8 306.9 412.9 0.03 35 77 17440 -64.1 -70.1 44 6.0 -64.3 291 27 435.2 435.2 309.4 435.4 0.04 36 70 18020 -65.9 -71.9 43 6.0 -66.0 290 27 443.4 443.4 310.3 443.6 0.03 37 55 19472 -70.5 -77.5 35 7.0 -70.6 301 35 464.5 464.5 312.2 464.6 0.02 38 50 20040 -70.3 -77.3 35 7.0 -70.4 305 38 477.8 477.8 313.3 477.9 0.02 39 43 20936 -70.5 -77.5 35 7.0 -70.6 498.4 498.4 314.8 498.5 0.02 TRP 215 11135 -69.3 -73.3 56 4.0 -69.3 315 64 316.4 316.4 287.6 316.4 0.01 WND 215 11135 -65.5 -69.3 59 3.8 -65.5 315 64 322.3 322.3 289.5 322.4 0.02 Sounding variables and indices 1000-500 mb thick: 5311.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.26 inches Sfc-500 mean rel hum: 49.51 % Est. max temperature: 8.19 C = 46.73 F Sfc-Lift cond lev (LCL): 969.48 mb = 522.88 m = 1715.47 ft T: -3.40 C 700-500 lapse rate: 6.61 C/km ThetaE index: 1.40 C Layer 830.0- 797.0 mb Conv cond level (CCL): 629.00 mb = 3893.63 m = 12774.21 ft Mean mixing ratio: 1.67 g/kg Conv temperature: 21.68 C = 71.02 F Cap Strength: 17.88 C Lifted Index: 21.95 C Risk: None Lifted Index @300 mb: 24.76 C Lifted Index @700 mb: 17.16 C Showalter Index: 12.17 C Risk: None Total Totals Index: 37.20 C Risk: None Vertical Totals Index: 21.60 C Cross Totals Index: 15.60 C K Index: -9.70 Risk: None Sweat Index: 182.39 Risk: None Energy Index: 3.39 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 48.46 J/kg Max Up Vert Vel: 9.84 m/s Conv Inhibition (B-): 34338.83 J/kg Cap Strength: 21.96 C Lift Cond Lev (LCL): 880.07 mb = 1285.77 m = 4218.37 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 282 at 17 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 1022 110 225 1 0.7 0.7 | 105 16 -15.8 4.2 1 1000 279 220 11 7.1 8.4 | 142 15 -9.4 11.9 2 925 893 240 33 28.6 16.5 | 211 23 12.1 20.0 3 850 1560 230 23 17.6 14.8 | 184 18 1.1 18.3 4 700 3077 250 21 19.7 7.2 | 197 11 3.2 10.7 5 500 5590 275 23 22.9 -2.0 | 257 7 6.4 1.5 6 400 7160 285 35 33.8 -9.1 | 288 18 17.3 -5.6 7 300 9080 290 42 39.5 -14.4 | 295 25 23.0 -10.9 8 250 10220 300 54 46.8 -27.0 | 308 38 30.3 -23.5 9 215 11135 315 64 45.3 -45.3 | 325 51 28.8 -41.8 10 200 11570 310 54 41.4 -34.7 | 321 40 24.9 -31.2 11 150 13330 315 31 21.9 -21.9 | 344 19 5.4 -18.4 12 100 15850 295 27 24.5 -11.4 | 315 11 8.0 -7.9 13 70 18020 290 27 25.4 -9.2 | 303 11 8.9 -5.7 14 50 20040 305 38 31.1 -21.8 | 321 23 14.6 -18.3 Wind Parameters Mean winds (0-6000m): 251.9 at 22.5 knts Storm direction: 281.9 at 16.8 knts Shear (0-3000m) pos: 4.7 neg: 1.3 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 92.5 deg Storm rel helicity (0-3000m) pos: 153.1 neg: -51.9 tot: 101.3 m^2/s^2 ave: 33.8 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 8.9 stream: 4.3 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 2.52 Bulk Shear: 19.21 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 ------------------------------------------------------------------------------- 500 226 13 151 14| 22.5 0.0 22.5| 89.2 0.0 89.2 178.4 0.97| 23.0 22.3 1000 235 21 184 16| 14.8 0.0 14.8|140.0 -17.5 122.5 122.5 0.77| 18.8 14.5 1500 235 23 188 17| 9.9 2.5 12.4|140.0 -51.9 88.1 58.7 0.49| 15.1 7.4 2000 235 23 187 17| 7.3 1.9 9.2|145.6 -51.9 93.7 46.9 0.49| 12.0 5.9 2500 236 23 188 16| 5.7 1.5 7.3|149.9 -51.9 98.0 39.2 0.49| 10.2 4.9 3000 237 22 189 16| 4.7 1.3 6.0|153.1 -51.9 101.3 33.8 0.48| 8.9 4.3 4000 242 22 192 14| 3.6 0.9 4.6|161.0 -51.9 109.1 27.3 0.50| 7.2 3.6 5000 247 22 197 13| 3.0 0.8 3.7|168.3 -51.9 116.4 23.3 0.53| 6.1 3.2 6000 252 22 205 12| 2.8 0.6 3.5|176.4 -51.9 124.6 20.8 0.54| 5.6 3.1 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20260117.00.gif