UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 21 APR 25 Station: U9231 WMO ident: 29231 Latitude: 58.30 Longitude: 82.88 ------------------------------------------------------------------------------- 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 -4 SFC 990 75 -1.1 -4.4 78 3.3 -2.3 280 3 272.8 273.3 271.4 280.4 2.78 2 925 607 -4.7 -9.4 70 4.7 -6.2 290 11 274.5 274.8 271.2 280.2 2.02 3 881 994 -7.3 -13.3 62 6.0 -8.9 296 17 275.7 275.9 271.2 280.1 1.55 4 850 1275 -9.9 -17.9 52 8.0 -11.8 300 21 275.8 276.0 270.5 279.0 1.10 5 785 1881 -15.1 -23.1 50 8.0 -16.6 290 29 276.5 276.7 270.4 278.8 0.76 6 700 2739 -18.9 -30.9 34 12.0 -20.5 275 40 281.6 281.6 272.8 282.8 0.42 7 571 4232 -25.5 -39.5 26 14.0 -26.9 278 52 290.7 290.7 277.4 291.4 0.22 8 500 5180 -32.5 -53.5 11 21.0 -33.6 280 60 293.4 293.4 278.4 293.6 0.05 9 470 5616 -34.3 -55.3 10 21.0 -35.3 279 63 296.4 296.4 279.8 296.6 0.04 10 437 6122 -38.3 -58.3 10 20.0 -39.0 277 67 297.6 297.6 280.3 297.7 0.03 11 400 6730 -39.5 -59.5 10 20.0 -40.2 275 71 303.7 303.7 282.9 303.8 0.03 12 361 7429 -41.3 -61.3 10 20.0 -41.9 275 77 310.3 310.3 285.5 310.4 0.03 13 350 7639 -41.6 -62.0 9 20.3 -42.3 275 79 312.6 312.6 286.3 312.7 0.03 14 300 8680 -43.3 -65.3 7 22.0 -43.9 275 73 324.3 324.3 290.1 324.4 0.02 15 286 9000 -43.9 -68.9 5 25.0 -44.5 276 71 327.9 327.9 291.2 328.0 0.01 16 250 9900 -44.3 -66.3 7 22.0 -45.0 280 66 340.2 340.2 294.4 340.3 0.02 17 200 11390 -46.1 -68.1 7 22.0 -46.8 280 54 359.8 359.8 298.7 359.9 0.02 18 150 13310 -46.9 -69.9 6 23.0 -47.7 280 42 389.2 389.3 303.7 389.3 0.02 19 100 15980 -50.3 -73.3 5 23.0 -51.2 280 27 430.5 430.5 308.9 430.6 0.02 20 99 16046 -50.5 -73.5 5 23.0 -51.4 280 27 431.4 431.4 309.0 431.5 0.02 21 75 17845 -53.3 -76.3 4 23.0 -54.1 272 21 461.2 461.2 311.9 461.3 0.02 22 70 18290 -53.1 -76.1 4 23.0 -54.0 270 19 470.8 470.8 312.7 470.9 0.02 23 50 20470 -52.7 -75.7 5 23.0 -53.9 265 17 519.3 519.3 316.2 519.5 0.03 24 30 23780 -52.3 -75.3 5 23.0 -54.3 255 19 602.1 602.1 320.7 602.4 0.05 25 29 24000 -51.9 -74.9 5 23.0 -54.0 609.0 609.0 321.0 609.4 0.05 TRP 361 7429 -41.3 -61.3 10 20.0 -41.9 275 77 310.3 310.3 285.5 310.4 0.03 WND 350 7639 -41.6 -62.0 9 20.3 -42.3 275 79 312.6 312.6 286.3 312.7 0.03 Sounding variables and indices 1000-500 mb thick: 5184.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 40.52 % Est. max temperature: 1.95 C = 35.52 F Sfc-Lift cond lev (LCL): 940.08 mb = 480.35 m = 1575.94 ft T: -3.84 C 700-500 lapse rate: 5.57 C/km ThetaE index: 1.64 C Layer 925.0- 700.0 mb Conv cond level (CCL): 856.42 mb = 1215.93 m = 3989.21 ft Mean mixing ratio: 2.20 g/kg Conv temperature: 1.81 C = 35.25 F Cap Strength: 9.81 C Lifted Index: 11.25 C Risk: None Lifted Index @300 mb: 31.27 C Lifted Index @700 mb: 3.58 C Showalter Index: 12.25 C Risk: None Total Totals Index: 37.20 C Risk: None Vertical Totals Index: 22.60 C Cross Totals Index: 14.60 C K Index: -7.30 Risk: None Sweat Index: 102.00 Risk: None Energy Index: 3.06 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.08 J/kg Max Up Vert Vel: 4.26 m/s Conv Inhibition (B-): 45662.62 J/kg Cap Strength: 11.05 C Lift Cond Lev (LCL): 877.60 mb = 1024.05 m = 3359.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 310 at 30 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 ---------------------------------------------------------- 0 990 75 280 3 3.0 -0.5 | 133 28 -20.1 18.8 1 925 607 290 11 10.3 -3.8 | 141 20 -12.7 15.6 2 850 1275 300 21 18.2 -10.5 | 151 10 -4.9 8.9 3 700 2739 275 40 39.8 -3.5 | 227 23 16.8 15.9 4 500 5180 280 60 59.1 -10.4 | 256 37 36.0 8.9 5 400 6730 275 71 70.7 -6.2 | 255 49 47.7 13.2 6 361 7429 275 77 76.7 -6.7 | 257 55 53.7 12.6 7 350 7639 275 79 78.7 -6.9 | 257 57 55.7 12.5 8 300 8680 275 73 72.7 -6.4 | 255 51 49.7 13.0 9 250 9900 280 66 65.0 -11.5 | 259 43 42.0 7.9 10 200 11390 280 54 53.2 -9.4 | 252 32 30.1 10.0 11 150 13310 280 42 41.4 -7.3 | 237 22 18.3 12.1 12 100 15980 280 27 26.6 -4.7 | 194 15 3.6 14.7 13 70 18290 270 19 19.0 -0.0 | 168 20 -4.0 19.4 14 50 20470 265 17 16.9 1.5 | 164 22 -6.1 20.8 15 30 23780 255 19 18.4 4.9 | 169 25 -4.7 24.3 Wind Parameters Mean winds (0-6000m): 280.0 at 40.1 knts Storm direction: 310.0 at 30.1 knts Shear (0-3000m) pos: 2.6 neg: 4.6 tot: 7.2 10-3/s Storm rel Dir Shear (0-3000m): 99.1 deg Storm rel helicity (0-3000m) pos: 89.3 neg: 0.0 tot: 89.3 m^2/s^2 ave: 29.8 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 3.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.06 Bulk Shear: 147.92 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 ------------------------------------------------------------------------------- 500 288 7 136 24| 7.8 0.0 7.8| 19.7 0.0 19.7 39.4 0.40| 7.8 3.2 1000 292 10 139 20| 7.8 0.0 7.8| 29.7 0.0 29.7 29.7 0.34| 7.9 2.7 1500 295 14 142 17| 5.2 2.4 7.6| 42.0 0.0 42.0 28.0 0.44| 7.9 3.5 2000 293 18 152 14| 3.9 3.6 7.5| 59.3 0.0 59.3 29.6 0.54| 7.9 4.3 2500 288 21 167 13| 3.1 4.5 7.6| 72.3 0.0 72.3 28.9 0.51| 8.0 4.1 3000 284 24 182 13| 2.6 4.6 7.2| 89.3 0.0 89.3 29.8 0.50| 7.6 3.9 4000 281 30 205 15| 3.0 3.4 6.5|134.8 0.0 134.8 33.7 0.54| 6.8 3.7 5000 281 35 222 17| 3.3 2.8 6.0|184.0 0.0 184.0 36.8 0.56| 6.3 3.5 6000 280 40 233 21| 2.7 3.0 5.7|189.2 -5.0 184.1 30.7 0.50| 5.9 3.0 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20250421.00.gif