UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 27 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 36 0 0 SFC 995 77 5.0 4.7 98 0.3 4.9 0 0 278.5 279.5 278.3 293.2 5.38 2 925 677 9.2 7.7 90 1.5 8.4 220 5 288.7 290.0 284.9 308.9 7.14 3 850 1376 7.2 4.5 83 2.7 5.8 230 13 293.7 294.8 285.9 311.7 6.22 4 837 1503 6.0 3.1 82 2.9 4.5 231 15 293.7 294.7 285.4 310.3 5.72 5 778 2105 7.2 3.1 75 4.1 5.0 237 22 301.2 302.3 288.6 319.6 6.16 6 753 2373 4.4 -0.3 71 4.7 2.1 239 25 301.0 301.9 287.4 316.0 4.97 7 700 2963 -1.5 -3.7 85 2.2 -2.5 245 33 300.8 301.6 286.5 313.4 4.15 8 641 3658 -6.1 -7.4 90 1.3 -6.6 248 35 303.3 303.9 286.6 313.8 3.42 9 591 4286 -11.3 -12.2 93 0.9 -11.6 250 37 304.4 304.8 286.1 312.3 2.54 10 500 5550 -18.9 -21.4 81 2.5 -19.5 255 40 310.0 310.3 286.9 314.6 1.38 11 471 5992 -22.3 -25.1 78 2.8 -22.9 256 39 311.1 311.3 287.0 314.7 1.06 12 400 7170 -31.3 -35.2 68 3.9 -31.8 260 36 314.3 314.4 287.4 316.0 0.48 13 387 7404 -32.9 -37.6 63 4.7 -33.4 259 36 315.2 315.3 287.6 316.6 0.39 14 300 9140 -48.5 -54.5 50 6.0 -48.7 250 38 317.0 317.0 287.9 317.3 0.08 15 250 10310 -58.3 -65.3 40 7.0 -58.4 260 35 319.4 319.4 288.6 319.5 0.02 16 231 10808 -59.9 -67.9 34 8.0 -60.0 265 33 324.3 324.3 290.0 324.3 0.02 17 200 11720 -55.9 -67.9 21 12.0 -56.1 270 33 344.2 344.2 295.4 344.3 0.02 18 179 12430 -52.7 -68.7 13 16.0 -53.1 274 32 360.6 360.6 298.8 360.7 0.02 19 150 13570 -52.9 -71.9 8 19.0 -53.3 280 31 378.9 378.9 302.1 379.0 0.02 20 100 16180 -53.9 -74.9 6 21.0 -54.5 290 29 423.6 423.6 308.2 423.7 0.01 21 92 16711 -54.3 -76.3 5 22.0 -54.9 292 28 433.0 433.0 309.1 433.1 0.01 22 75 18010 -54.5 -76.5 5 22.0 -55.2 298 26 458.7 458.7 311.7 458.7 0.02 23 70 18450 -53.9 -75.9 5 22.0 -54.7 300 25 469.1 469.1 312.5 469.2 0.02 24 50 20620 -53.3 -75.3 5 22.0 -54.5 315 19 517.9 517.9 316.2 518.0 0.03 25 30 23920 -51.3 -73.3 6 22.0 -53.5 330 15 604.8 604.8 320.9 605.3 0.06 26 25 25102 -50.9 -74.9 4 24.0 -53.5 334 13 638.3 638.3 322.3 638.8 0.06 27 20 26560 -47.9 -71.9 5 24.0 -51.8 340 11 689.6 689.6 324.1 690.5 0.12 28 15 28464 -46.5 -70.5 5 24.0 -51.8 753.3 753.4 326.1 755.1 0.19 TRP 231 10808 -59.9 -67.9 34 8.0 -60.0 265 33 324.3 324.3 290.0 324.3 0.02 WND Sounding variables and indices 1000-500 mb thick: 5514.00 m Freezing level: 713.47 mb = 2813.05 m = 9229.05 ft Wetbulb zero: 728.99 mb = 2635.08 m = 8645.18 ft Precipitable water: 0.97 inches Sfc-500 mean rel hum: 85.71 % Est. max temperature: 20.13 C = 68.24 F Sfc-Lift cond lev (LCL): 990.36 mb = 115.39 m = 378.56 ft T: 5.27 C 700-500 lapse rate: 6.73 C/km ThetaE index: 6.21 C Layer 753.0- 641.0 mb Conv cond level (CCL): 995.00 mb = 76.93 m = 252.39 ft Mean mixing ratio: 6.48 g/kg Conv temperature: 7.35 C = 45.23 F Cap Strength: 9.23 C Lifted Index: 7.56 C Risk: None Lifted Index @300 mb: 9.61 C Lifted Index @700 mb: 5.92 C Showalter Index: 2.35 C Risk: Showers probable Total Totals Index: 49.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.10 C Cross Totals Index: 23.40 C K Index: 28.40 Risk: 40-60 % chance of thunderstorms Sweat Index: 130.00 Risk: None Energy Index: 0.57 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 42.93 J/kg Max Up Vert Vel: 9.27 m/s Conv Inhibition (B-): 54190.04 J/kg Cap Strength: 9.23 C Lift Cond Lev (LCL): 928.11 mb = 649.41 m = 2130.60 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 278 at 20 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 ---------------------------------------------------------- 0 995 77 0 0 -0.0 -0.0 | 98 20 -20.0 2.8 1 925 677 220 5 3.2 3.8 | 112 18 -16.8 6.6 2 850 1376 230 13 10.0 8.4 | 138 15 -10.0 11.1 3 700 2963 245 33 29.9 13.9 | 211 19 9.9 16.7 4 500 5550 255 40 38.6 10.4 | 235 23 18.6 13.1 5 400 7170 260 36 35.5 6.3 | 240 18 15.5 9.0 6 300 9140 250 38 35.7 13.0 | 225 22 15.7 15.8 7 250 10310 260 35 34.5 6.1 | 239 17 14.5 8.9 8 231 10808 265 33 32.9 2.9 | 246 14 12.9 5.7 9 200 11720 270 33 33.0 -0.0 | 258 13 13.0 2.8 10 150 13570 280 31 30.5 -5.4 | 284 11 10.5 -2.6 11 100 16180 290 29 27.3 -9.9 | 315 10 7.3 -7.1 12 70 18450 300 25 21.7 -12.5 | 350 10 1.7 -9.7 13 50 20620 315 19 13.4 -13.4 | 32 13 -6.6 -10.6 14 30 23920 330 15 7.5 -13.0 | 51 16 -12.5 -10.2 15 20 26560 340 11 3.8 -10.3 | 65 18 -16.2 -7.5 Wind Parameters Mean winds (0-6000m): 247.9 at 26.9 knts Storm direction: 277.9 at 20.2 knts Shear (0-3000m) pos: 4.2 neg: 1.6 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 113.8 deg Storm rel helicity (0-3000m) pos: 140.9 neg: -5.3 tot: 135.6 m^2/s^2 ave: 45.2 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 5.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.51 Bulk Shear: 84.05 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 ------------------------------------------------------------------------------- 500 215 2 103 19| 0.0 4.3 4.3| 15.0 -5.3 9.7 19.4 0.37| 6.3 2.4 1000 222 4 109 18| 0.0 4.9 4.9| 42.1 -5.3 36.8 36.8 0.64| 6.6 4.2 1500 227 7 117 17| 2.1 3.3 5.4| 65.7 -5.3 60.4 40.3 0.75| 6.5 4.8 2000 231 10 126 15| 3.2 2.5 5.7| 90.6 -5.3 85.3 42.7 0.81| 6.5 5.3 2500 235 13 137 14| 3.9 2.0 5.9|116.9 -5.3 111.6 44.6 0.84| 6.6 5.5 3000 239 16 150 13| 4.2 1.6 5.8|140.9 -5.3 135.6 45.2 0.85| 6.5 5.5 4000 242 21 172 12| 3.5 1.2 4.8|159.0 -5.3 153.7 38.4 0.85| 5.3 4.5 5000 245 24 189 13| 3.1 1.0 4.1|178.4 -5.3 173.1 34.6 0.86| 4.6 4.0 6000 248 27 201 14| 2.6 0.8 3.5|191.6 -5.3 186.3 31.0 0.85| 4.1 3.5 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20250427.00.gif