UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112600.upa.cvt Date: 0000Z 26 NOV 25 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 26 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 ------------------------------------------------------------------------------- SFC 1000 106 -6.7 -8.7 86 2.0 -7.3 250 7 266.5 266.8 265.8 271.8 1.98 1 981 256 -6.3 -8.6 84 2.3 -7.0 265 10 268.3 268.6 267.3 273.8 2.03 2 976 296 -5.1 -7.7 82 2.6 -5.9 269 11 269.9 270.3 268.6 275.9 2.19 3 964 393 -4.1 -10.1 63 6.0 -5.9 278 13 271.9 272.2 269.3 277.0 1.84 4 950 508 -4.7 -18.7 33 14.0 -8.0 289 15 272.4 272.6 268.1 275.1 0.92 5 925 717 -4.9 -23.9 21 19.0 -8.8 310 19 274.3 274.4 268.7 276.1 0.60 6 887 1046 -5.7 -23.7 23 18.0 -9.5 320 21 276.8 276.9 270.4 278.7 0.64 7 850 1379 -8.1 -28.1 18 20.0 -11.7 330 23 277.7 277.7 270.5 279.0 0.44 8 718 2664 -17.9 -30.9 31 13.0 -19.7 313 23 280.6 280.7 272.2 281.9 0.40 9 700 2853 -19.1 -31.1 34 12.0 -20.7 310 23 281.3 281.4 272.6 282.6 0.41 10 592 4086 -25.1 -42.1 19 17.0 -26.6 303 27 288.2 288.2 276.0 288.7 0.16 11 500 5290 -34.5 -44.5 36 10.0 -35.1 295 31 291.0 291.0 277.4 291.5 0.15 12 438 6199 -41.1 -50.1 37 9.0 -41.5 298 33 293.8 293.9 278.7 294.2 0.09 13 400 6810 -44.3 -54.3 32 10.0 -44.6 300 35 297.4 297.4 280.3 297.6 0.06 14 300 8690 -54.9 -64.9 28 10.0 -55.1 320 40 308.0 308.0 284.6 308.0 0.02 15 273 9287 -57.9 -67.9 27 10.0 -58.0 320 38 312.0 312.0 286.1 312.1 0.02 16 252 9790 -58.7 -68.7 26 10.0 -58.8 302 36 318.1 318.1 288.1 318.1 0.01 17 250 9840 -58.1 -68.1 27 10.0 -58.2 300 36 319.7 319.7 288.6 319.8 0.02 18 200 11250 -58.5 -68.5 27 10.0 -58.6 275 42 340.1 340.1 294.4 340.2 0.02 19 170 12274 -57.3 -68.3 23 11.0 -57.5 275 41 358.3 358.3 298.4 358.4 0.02 20 150 13060 -59.7 -71.7 20 12.0 -59.9 275 40 367.2 367.2 300.1 367.3 0.02 21 100 15570 -63.3 -77.3 13 14.0 -63.5 270 38 405.4 405.4 305.9 405.5 0.01 22 70 17740 -68.1 -82.1 12 14.0 -68.2 275 31 438.7 438.7 309.7 438.7 0.01 23 50 19750 -70.7 -84.7 11 14.0 -70.8 275 25 476.9 476.9 313.2 476.9 0.01 24 37 21525 -73.7 -88.7 8 15.0 -73.8 281 29 512.1 512.1 315.8 512.1 0.00 25 30 22750 -74.3 -89.3 8 15.0 -74.5 285 31 542.1 542.1 317.6 542.1 0.00 26 20 25080 -78.3 -93.3 7 15.0 -78.4 295 25 596.5 596.5 320.5 596.5 0.00 27 14 27110 -79.3 -94.3 7 15.0 -79.4 657.2 657.2 323.0 657.2 0.00 TRP 273 9287 -57.9 -67.9 27 10.0 -58.0 320 38 312.0 312.0 286.1 312.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5183.51 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 29.10 % Est. max temperature: 4.51 C = 40.12 F Sfc-Lift cond lev (LCL): 968.60 mb = 355.65 m = 1166.80 ft T: -4.48 C 700-500 lapse rate: 6.32 C/km ThetaE index: 1.92 C Layer 950.0- 925.0 mb Conv cond level (CCL): 707.45 mb = 2774.07 m = 9101.17 ft Mean mixing ratio: 1.25 g/kg Conv temperature: 7.89 C = 46.20 F Cap Strength: 11.56 C Lifted Index: 12.88 C Risk: None Lifted Index @300 mb: 22.95 C Lifted Index @700 mb: 6.93 C Showalter Index: 10.19 C Risk: None Total Totals Index: 32.80 C Risk: None Vertical Totals Index: 26.40 C Cross Totals Index: 6.40 C K Index: -13.70 Risk: None Sweat Index: 77.00 Risk: None Energy Index: 2.61 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 34.02 J/kg Max Up Vert Vel: 8.25 m/s Conv Inhibition (B-): 50119.07 J/kg Cap Strength: 12.74 C Lift Cond Lev (LCL): 809.87 mb = 1747.18 m = 5732.16 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 336 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 1000 106 250 7 6.6 2.4 | 177 19 -1.0 19.4 1 925 717 310 19 14.6 -12.2 | 236 8 7.0 4.8 2 850 1379 330 23 11.5 -19.9 | 307 5 3.9 -2.9 3 700 2853 310 23 17.6 -14.8 | 258 10 10.1 2.2 4 500 5290 295 31 28.1 -13.1 | 259 21 20.5 3.9 5 400 6810 300 35 30.3 -17.5 | 271 23 22.8 -0.5 6 300 8690 320 40 25.7 -30.6 | 307 23 18.2 -13.7 7 273 9287 320 38 24.4 -29.1 | 306 21 16.9 -12.1 8 250 9840 300 36 31.2 -18.0 | 272 24 23.6 -1.0 9 200 11250 275 42 41.8 -3.7 | 249 37 34.3 13.3 10 150 13060 275 40 39.8 -3.5 | 247 35 32.3 13.5 11 100 15570 270 38 38.0 -0.0 | 241 35 30.4 17.0 12 70 17740 275 31 30.9 -2.7 | 239 27 23.3 14.3 13 50 19750 275 25 24.9 -2.2 | 230 23 17.4 14.8 14 30 22750 285 31 29.9 -8.0 | 248 24 22.4 9.0 15 20 25080 295 25 22.7 -10.6 | 247 16 15.1 6.4 Wind Parameters Mean winds (0-6000m): 306.0 at 24.8 knts Storm direction: 336.0 at 18.6 knts Shear (0-3000m) pos: 3.9 neg: 1.3 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 81.9 deg Storm rel helicity (0-3000m) pos: 68.3 neg: -10.8 tot: 57.5 m^2/s^2 ave: 19.2 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 2.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.38 Bulk Shear: 24.68 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 ------------------------------------------------------------------------------- 500 291 12 196 13| 13.7 0.0 13.7| 48.9 0.0 48.9 97.8 0.81| 14.7 11.9 1000 306 16 214 9| 10.4 0.0 10.4| 63.2 0.0 63.2 63.2 0.79| 11.9 9.4 1500 315 18 231 7| 7.7 0.0 7.7| 67.8 -1.3 66.4 44.3 0.75| 9.5 7.1 2000 318 19 243 6| 5.8 0.7 6.5| 67.8 -4.8 62.9 31.5 0.61| 7.8 4.8 2500 318 20 250 6| 4.6 1.1 5.7| 67.8 -8.8 59.0 23.6 0.51| 6.8 3.4 3000 316 21 253 7| 3.9 1.3 5.2| 68.3 -10.8 57.5 19.2 0.46| 6.1 2.8 4000 313 22 256 9| 2.9 1.5 4.4| 69.6 -10.8 58.8 14.7 0.42| 5.1 2.1 5000 309 23 258 11| 2.3 1.6 3.9| 69.6 -12.5 57.1 11.4 0.37| 4.5 1.7 6000 306 25 259 13| 2.1 1.4 3.5| 83.2 -13.0 70.2 11.7 0.39| 4.1 1.6 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251126.00.gif