UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for U2845... Searching the city database file for: U2845 ... Date:0000Z 28 APR 25 Station: U2845 WMO ident: 22845 Latitude: 61.50 Longitude: 38.93 ------------------------------------------------------------------------------- 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 1006 123 -5.1 -10.1 68 5.0 -6.5 0 0 267.6 267.9 266.3 272.4 1.76 1 1001 162 -2.3 -6.5 73 4.2 -3.7 348 1 270.8 271.2 269.4 277.2 2.34 2 1000 170 0.0 -4.8 70 4.8 -1.7 345 1 273.1 273.6 271.4 280.5 2.67 3 949 587 -2.5 -16.5 33 14.0 -6.2 301 9 274.7 274.9 269.9 277.9 1.11 4 925 790 -4.3 -17.3 36 13.0 -7.5 280 13 274.9 275.1 269.9 278.0 1.06 5 850 1448 -10.1 -20.1 44 10.0 -12.2 300 15 275.6 275.7 270.1 278.2 0.91 6 758 2318 -17.9 -22.9 65 5.0 -18.8 321 16 276.3 276.4 270.3 278.7 0.80 7 753 2368 -17.9 -22.9 65 5.0 -18.8 322 16 276.8 277.0 270.7 279.2 0.80 8 700 2912 -19.3 -26.3 54 7.0 -20.4 335 17 281.1 281.2 272.9 283.1 0.64 9 640 3574 -21.1 -29.1 49 8.0 -22.3 336 22 286.4 286.5 275.6 288.1 0.54 10 500 5360 -29.7 -46.7 18 17.0 -30.9 340 36 296.8 296.8 280.1 297.2 0.11 11 497 5403 -29.9 -46.9 18 17.0 -31.1 340 36 297.1 297.1 280.2 297.5 0.11 12 468 5830 -33.1 -50.1 17 17.0 -34.1 340 40 298.3 298.3 280.7 298.6 0.08 13 400 6920 -40.7 -50.7 33 10.0 -41.1 340 50 302.1 302.1 282.4 302.4 0.09 14 382 7231 -43.1 -52.1 37 9.0 -43.5 341 53 302.9 303.0 282.7 303.2 0.08 15 313 8546 -51.1 -58.1 43 7.0 -51.2 345 65 309.5 309.6 285.2 309.7 0.05 16 307 8671 -51.6 -58.1 45 6.5 -51.7 345 66 310.6 310.6 285.6 310.8 0.05 17 300 8820 -52.1 -58.1 48 6.0 -52.2 345 64 311.9 311.9 286.1 312.1 0.05 18 276 9361 -54.1 -60.1 48 6.0 -54.2 345 62 316.6 316.6 287.6 316.7 0.04 19 258 9797 -54.1 -60.1 48 6.0 -54.2 345 57 322.7 322.7 289.6 322.9 0.05 20 250 10000 -53.9 -59.9 48 6.0 -54.0 345 54 325.9 325.9 290.6 326.1 0.05 21 230 10534 -53.3 -59.3 48 6.0 -53.5 339 44 334.7 334.7 293.0 334.9 0.06 22 200 11440 -49.1 -57.1 39 8.0 -49.4 330 27 355.0 355.0 297.8 355.4 0.08 23 194 11640 -47.7 -55.7 39 8.0 -48.1 328 26 360.4 360.4 298.8 360.8 0.10 24 167 12620 -50.7 -60.7 30 10.0 -51.1 317 22 371.1 371.2 300.8 371.4 0.06 25 150 13320 -49.7 -61.7 23 12.0 -50.2 310 19 384.4 384.4 303.0 384.7 0.06 26 120 14780 -48.7 -63.7 16 15.0 -49.5 282 16 411.6 411.6 306.7 411.9 0.06 27 100 15970 -51.3 -68.3 11 17.0 -52.0 260 13 428.6 428.6 308.7 428.8 0.04 28 96 16235 -50.1 -68.1 10 18.0 -51.0 259 13 436.0 436.0 309.5 436.2 0.04 29 70 18290 -50.9 -70.9 8 20.0 -52.0 250 15 475.5 475.5 313.1 475.7 0.04 30 50 20470 -53.3 -74.3 6 21.0 -54.5 230 15 517.9 517.9 316.2 518.1 0.03 31 31 23531 -55.9 -78.9 4 23.0 -57.3 221 15 586.7 586.7 320.0 586.9 0.03 32 30 23740 -54.5 -77.5 4 23.0 -56.1 220 15 596.1 596.1 320.5 596.3 0.03 33 20 26330 -53.3 -77.3 4 24.0 -55.8 210 21 673.0 673.0 323.6 673.4 0.05 34 15 28194 -50.5 -74.5 4 24.0 -54.4 740.0 740.1 325.7 741.0 0.11 TRP 276 9361 -54.1 -60.1 48 6.0 -54.2 345 62 316.6 316.6 287.6 316.7 0.04 WND 307 8671 -51.6 -58.1 45 6.5 -51.7 345 66 310.6 310.6 285.6 310.8 0.05 Sounding variables and indices 1000-500 mb thick: 5190.00 m Freezing level: Surface below freezing Freezing level: 1000.00 mb = 170.00 m = 557.74 ft Freezing level: 1000.00 mb = 170.00 m = 557.74 ft Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 44.48 % Est. max temperature: 2.84 C = 37.11 F Sfc-Lift cond lev (LCL): 929.27 mb = 753.58 m = 2472.35 ft T: -3.98 C 700-500 lapse rate: 4.25 C/km ThetaE index: 2.55 C Layer 949.0- 925.0 mb Conv cond level (CCL): 794.48 mb = 1961.07 m = 6433.87 ft Mean mixing ratio: 1.54 g/kg Conv temperature: 3.35 C = 38.03 F Cap Strength: 8.35 C Lifted Index: 15.40 C Risk: None Lifted Index @300 mb: 23.70 C Lifted Index @700 mb: 4.53 C Showalter Index: 15.63 C Risk: None Total Totals Index: 29.20 C Risk: None Vertical Totals Index: 19.60 C Cross Totals Index: 9.60 C K Index: -7.50 Risk: None Sweat Index: 66.00 Risk: None Energy Index: 3.95 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.48 J/kg Max Up Vert Vel: 4.58 m/s Conv Inhibition (B-): 63448.80 J/kg Cap Strength: 14.99 C Lift Cond Lev (LCL): 817.68 mb = 1742.47 m = 5716.69 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 1 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 1006 123 0 0 -0.0 -0.0 | 181 17 0.3 16.7 1 1000 170 345 1 0.3 -1.0 | 182 16 0.6 15.7 2 925 790 280 13 12.8 -2.3 | 222 19 13.1 14.4 3 850 1448 300 15 13.0 -7.5 | 235 16 13.3 9.2 4 700 2912 335 17 7.2 -15.4 | 261 8 7.5 1.2 5 500 5360 340 36 12.3 -33.8 | 324 21 12.6 -17.2 6 400 6920 340 50 17.1 -47.0 | 330 35 17.4 -30.3 7 307 8671 345 66 17.1 -63.8 | 340 50 17.4 -47.1 8 300 8820 345 64 16.6 -61.8 | 340 48 16.9 -45.2 9 276 9361 345 62 16.0 -59.9 | 339 46 16.3 -43.2 10 250 10000 345 54 14.0 -52.2 | 338 38 14.3 -35.5 11 200 11440 330 27 13.5 -23.4 | 296 15 13.8 -6.7 12 150 13320 310 19 14.6 -12.2 | 253 16 14.9 4.4 13 100 15970 260 13 12.8 2.3 | 215 23 13.1 18.9 14 70 18290 250 15 14.1 5.1 | 213 26 14.4 21.8 15 50 20470 230 15 11.5 9.6 | 204 29 11.8 26.3 16 30 23740 220 15 9.6 11.5 | 199 30 9.9 28.1 17 20 26330 210 21 10.5 18.2 | 197 36 10.8 34.8 Wind Parameters Mean winds (0-6000m): 331.0 at 22.2 knts Storm direction: 1.0 at 16.7 knts Shear (0-3000m) pos: 2.3 neg: 2.4 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 91.1 deg Storm rel helicity (0-3000m) pos: 77.7 neg: 0.0 tot: 77.7 m^2/s^2 ave: 25.9 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 3.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.24 Bulk Shear: 43.21 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 ------------------------------------------------------------------------------- 500 302 5 198 15| 0.0 10.0 10.0| 31.1 0.0 31.1 62.2 0.78| 11.3 8.8 1000 285 9 212 17| 0.0 7.2 7.2| 48.9 0.0 48.9 48.9 0.69| 9.2 6.3 1500 291 11 219 17| 1.3 4.8 6.1| 60.8 0.0 60.8 40.5 0.69| 7.5 5.1 2000 297 12 225 16| 1.8 3.6 5.4| 67.5 0.0 67.5 33.7 0.67| 6.5 4.3 2500 304 13 229 15| 2.1 2.9 5.0| 72.4 0.0 72.4 28.9 0.65| 5.9 3.8 3000 310 14 234 13| 2.3 2.4 4.7| 77.7 0.0 77.7 25.9 0.65| 5.5 3.6 4000 320 16 247 11| 2.5 1.8 4.3| 93.5 0.0 93.5 23.4 0.67| 5.1 3.5 5000 327 19 265 11| 2.8 1.4 4.2|111.0 0.0 111.0 22.2 0.65| 4.9 3.2 6000 331 22 284 11| 2.7 1.5 4.2|126.3 0.0 126.3 21.0 0.59| 4.9 2.9 Wrote GIF file: /home/apache/climate/data/raob//U2845/skewt/U2845.skewt.20250428.00.gif