UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121300.upa.cvt Date: 0000Z 13 DEC 25 Searching for U9862... Searching the city database file for: U9862 ... Date:0000Z 13 DEC 25 Station: U9862 WMO ident: 29862 Latitude: 53.77 Longitude: 91.32 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 173 SFC 989 257 -16.3 -19.6 76 3.3 -16.9 0 0 257.7 257.8 257.0 259.9 0.82 2 951 555 -13.5 -17.8 70 4.3 -14.3 105 4 263.4 263.6 261.9 266.1 0.99 3 925 768 -9.9 -14.9 67 5.0 -11.1 180 7 269.2 269.4 266.5 272.8 1.30 4 904 944 -6.5 -12.5 62 6.0 -8.2 200 9 274.5 274.7 270.5 279.0 1.62 5 872 1224 -2.7 -16.7 33 14.0 -6.5 232 13 281.3 281.5 273.9 284.8 1.19 6 850 1423 -3.7 -22.7 21 19.0 -8.1 255 15 282.3 282.4 273.7 284.5 0.73 7 824 1669 -4.7 -29.7 12 25.0 -9.5 258 16 283.7 283.8 274.0 285.0 0.39 8 700 2943 -11.9 -25.9 30 14.0 -14.7 275 23 289.3 289.4 277.3 291.4 0.66 9 662 3366 -14.1 -26.1 35 12.0 -16.4 278 27 291.5 291.6 278.4 293.7 0.69 10 591 4214 -19.7 -24.4 66 4.7 -20.6 285 36 294.6 294.8 280.2 297.4 0.90 11 500 5430 -27.7 -32.1 66 4.4 -28.3 295 48 299.3 299.4 281.7 301.0 0.52 12 458 6056 -32.9 -36.3 72 3.4 -33.2 303 53 300.4 300.4 282.0 301.6 0.37 13 446 6244 -30.9 -34.1 73 3.2 -31.3 305 54 305.2 305.3 284.1 306.8 0.48 14 400 7010 -36.5 -41.3 61 4.8 -36.9 315 60 307.6 307.6 284.7 308.5 0.26 15 366 7617 -40.3 -46.3 53 6.0 -40.6 317 63 310.4 310.4 285.7 311.0 0.16 16 301 8909 -52.3 -58.3 48 6.0 -52.4 320 71 311.3 311.3 285.9 311.5 0.05 17 300 8930 -52.5 -58.5 48 6.0 -52.6 320 71 311.3 311.4 285.9 311.5 0.05 18 266 9707 -57.1 -63.1 46 6.0 -57.2 320 74 315.5 315.5 287.3 315.6 0.03 19 250 10100 -60.9 -66.9 45 6.0 -61.0 320 75 315.5 315.5 287.3 315.6 0.02 20 225 10743 -66.1 -72.1 43 6.0 -66.1 317 82 317.2 317.2 287.8 317.3 0.01 21 206 11273 -68.1 -74.1 42 6.0 -68.1 315 87 322.2 322.2 289.4 322.2 0.01 22 200 11450 -67.9 -73.9 42 6.0 -67.9 315 91 325.2 325.2 290.3 325.3 0.01 23 199 11480 -67.9 -73.9 42 6.0 -67.9 315 93 325.8 325.8 290.5 325.8 0.01 24 158 12867 -65.9 -71.9 43 6.0 -66.0 307 73 351.3 351.3 296.9 351.4 0.01 25 150 13180 -67.5 -73.5 42 6.0 -67.5 305 68 353.8 353.8 297.4 353.9 0.01 26 100 15620 -69.9 -75.9 41 6.0 -69.9 300 62 392.7 392.7 304.2 392.7 0.01 27 70 17750 -71.5 -78.5 34 7.0 -71.6 300 54 431.4 431.4 309.0 431.5 0.01 28 62 18466 -71.7 -78.7 34 7.0 -71.8 446.2 446.2 310.5 446.3 0.01 TRP 206 11273 -68.1 -74.1 42 6.0 -68.1 315 87 322.2 322.2 289.4 322.2 0.01 WND 199 11480 -67.9 -73.9 42 6.0 -67.9 315 93 325.8 325.8 290.5 325.8 0.01 Sounding variables and indices 1000-500 mb thick: 5257.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 45.85 % Est. max temperature: 8.84 C = 47.91 F Sfc-Lift cond lev (LCL): 937.06 mb = 668.32 m = 2192.61 ft T: -11.58 C 700-500 lapse rate: 6.35 C/km ThetaE index: 0.28 C Layer 850.0- 824.0 mb Conv cond level (CCL): 989.00 mb = 256.67 m = 842.10 ft Mean mixing ratio: 1.18 g/kg Conv temperature: -15.25 C = 4.55 F Cap Strength: 21.47 C Lifted Index: 24.02 C Risk: None Lifted Index @300 mb: 29.19 C Lifted Index @700 mb: 18.43 C Showalter Index: 12.71 C Risk: None Total Totals Index: 29.00 C Risk: None Vertical Totals Index: 24.00 C Cross Totals Index: 5.00 C K Index: -12.70 Risk: None Sweat Index: 78.00 Risk: None Energy Index: 3.47 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 76.29 J/kg Max Up Vert Vel: 12.35 m/s Conv Inhibition (B-): 28527.59 J/kg Cap Strength: 23.80 C Lift Cond Lev (LCL): 868.22 mb = 1257.44 m = 4125.42 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 316 at 21 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 ---------------------------------------------------------- 0 989 257 0 0 -0.0 -0.0 | 136 21 -14.8 15.2 1 925 768 180 7 0.0 7.0 | 146 27 -14.8 22.2 2 850 1423 255 15 14.5 3.9 | 179 19 -0.3 19.1 3 700 2943 275 23 22.9 -2.0 | 211 16 8.1 13.2 4 500 5430 295 48 43.5 -20.3 | 280 29 28.7 -5.1 5 400 7010 315 60 42.4 -42.4 | 315 39 27.6 -27.2 6 300 8930 320 71 45.6 -54.4 | 322 50 30.8 -39.2 7 250 10100 320 75 48.2 -57.5 | 322 54 33.4 -42.2 8 206 11273 315 87 61.5 -61.5 | 315 66 46.7 -46.3 9 200 11450 315 91 64.3 -64.3 | 315 70 49.5 -49.1 10 199 11480 315 93 65.8 -65.8 | 315 72 51.0 -50.5 11 150 13180 305 68 55.7 -39.0 | 300 47 40.9 -23.8 12 100 15620 300 62 53.7 -31.0 | 292 42 38.9 -15.8 13 70 17750 300 54 46.8 -27.0 | 290 34 32.0 -11.8 Wind Parameters Mean winds (0-6000m): 285.8 at 28.3 knts Storm direction: 315.8 at 21.2 knts Shear (0-3000m) pos: 4.5 neg: 0.0 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 87.5 deg Storm rel helicity (0-3000m) pos: 201.1 neg: -13.4 tot: 187.7 m^2/s^2 ave: 62.6 10^-3 m/s^2 rel: 0.74 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 5.5 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 0.67 Bulk Shear: 114.63 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 ------------------------------------------------------------------------------- 500 180 3 142 24| 7.0 0.0 7.0| 49.7 -13.4 36.3 72.6 0.38| 13.1 5.0 1000 206 7 151 24| 6.7 0.0 6.7|123.8 -13.4 110.4 110.4 0.64| 12.7 8.1 1500 236 9 161 22| 5.7 0.0 5.7|152.8 -13.4 139.4 92.9 0.67| 10.9 7.3 2000 248 12 168 20| 5.0 0.0 5.0|167.5 -13.4 154.1 77.1 0.69| 9.1 6.3 2500 256 13 174 19| 4.5 0.0 4.5|182.1 -13.4 168.7 67.5 0.71| 8.0 5.7 3000 261 15 180 17| 4.5 0.0 4.5|201.1 -13.4 187.7 62.6 0.74| 7.5 5.5 4000 271 19 196 16| 4.7 0.0 4.7|249.0 -13.4 235.5 58.9 0.77| 7.0 5.4 5000 279 24 217 14| 4.8 0.0 4.8|308.1 -13.4 294.7 58.9 0.78| 6.8 5.3 6000 286 28 239 15| 4.7 0.0 4.7|405.5 -13.4 392.0 65.3 0.80| 6.8 5.4 Wrote GIF file: /home/apache/climate/data/raob//U9862/skewt/U9862.skewt.20251213.00.gif