UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102000.upa.cvt Date: 0000Z 20 OCT 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 20 OCT 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 ------------------------------------------------------------------------------- SFC 1017 78 -4.1 -4.8 95 0.7 -4.3 230 1 267.8 268.2 267.9 274.8 2.63 1 1000 212 -1.1 -2.4 91 1.3 -1.6 225 3 272.0 272.6 271.5 280.7 3.20 2 989 300 0.6 -0.9 90 1.5 -0.0 224 3 274.6 275.2 273.7 284.5 3.62 3 925 833 -2.5 -6.5 74 4.0 -3.9 220 5 276.8 277.2 273.3 283.8 2.54 4 906 998 -3.7 -7.9 73 4.2 -5.1 221 6 277.2 277.6 273.3 283.7 2.32 5 864 1372 -6.7 -9.6 80 2.9 -7.6 224 8 277.8 278.2 273.3 283.9 2.13 6 850 1500 -5.7 -8.1 83 2.4 -6.5 225 9 280.2 280.6 275.2 287.1 2.44 7 842 1574 -4.9 -7.9 79 3.0 -6.0 225 9 281.8 282.2 276.1 288.9 2.50 8 769 2278 -8.3 -19.3 41 11.0 -11.0 225 13 285.5 285.7 276.0 288.8 1.08 9 716 2827 -10.5 -15.5 67 5.0 -11.9 225 16 289.0 289.3 278.5 293.8 1.60 10 700 3000 -11.3 -17.3 61 6.0 -12.9 225 17 290.0 290.2 278.7 294.2 1.40 11 642 3658 -14.5 -21.5 55 7.0 -16.1 217 22 293.6 293.8 280.0 296.9 1.07 12 548 4840 -21.5 -36.5 25 15.0 -23.4 203 31 298.9 298.9 281.3 299.9 0.31 13 500 5510 -25.1 -36.1 35 11.0 -26.5 195 36 302.4 302.5 282.8 303.6 0.35 14 497 5554 -25.5 -36.5 35 11.0 -26.8 195 36 302.5 302.5 282.8 303.6 0.34 15 400 7090 -37.5 -45.5 43 8.0 -38.0 195 42 306.3 306.3 284.1 306.8 0.16 16 350 7999 -43.7 -51.7 41 8.0 -44.0 197 48 309.8 309.8 285.4 310.1 0.09 17 339 8213 -45.7 -53.7 40 8.0 -46.0 198 49 309.9 309.9 285.4 310.2 0.08 18 300 9020 -49.7 -57.7 39 8.0 -49.9 200 54 315.3 315.3 287.2 315.5 0.05 19 251 10167 -56.1 -64.1 36 8.0 -56.2 200 52 322.3 322.3 289.5 322.4 0.03 20 200 11610 -55.1 -63.1 36 8.0 -55.3 205 44 345.5 345.5 295.7 345.7 0.04 21 182 12217 -54.3 -63.3 32 9.0 -54.5 207 42 356.3 356.3 298.0 356.4 0.04 22 150 13460 -55.3 -65.3 28 10.0 -55.6 210 38 374.8 374.8 301.4 375.0 0.04 23 100 16030 -58.3 -71.3 17 13.0 -58.6 230 33 415.1 415.1 307.2 415.2 0.03 24 91 16624 -58.3 -72.3 15 14.0 -58.6 426.4 426.4 308.4 426.6 0.02 25 77 17669 -60.7 -74.7 14 14.0 -61.0 442.3 442.3 310.1 442.4 0.02 TRP 251 10167 -56.1 -64.1 36 8.0 -56.2 200 52 322.3 322.3 289.5 322.4 0.03 WND Sounding variables and indices 1000-500 mb thick: 5298.00 m Freezing level: Surface below freezing Freezing level: 992.88 mb = 269.13 m = 882.97 ft Freezing level: 976.61 mb = 403.40 m = 1323.48 ft Wetbulb zero: Below ground Precipitable water: 0.36 inches Sfc-500 mean rel hum: 56.46 % Est. max temperature: 5.97 C = 42.75 F Sfc-Lift cond lev (LCL): 1005.62 mb = 167.55 m = 549.71 ft T: -2.10 C 700-500 lapse rate: 5.50 C/km ThetaE index: 0.77 C Layer 925.0- 864.0 mb Conv cond level (CCL): 892.71 mb = 1114.23 m = 3655.57 ft Mean mixing ratio: 3.04 g/kg Conv temperature: 5.57 C = 42.02 F Cap Strength: 14.34 C Lifted Index: 16.54 C Risk: None Lifted Index @300 mb: 23.00 C Lifted Index @700 mb: 9.22 C Showalter Index: 13.32 C Risk: None Total Totals Index: 36.40 C Risk: None Vertical Totals Index: 19.40 C Cross Totals Index: 17.00 C K Index: 5.30 Risk: None Sweat Index: 54.00 Risk: None Energy Index: 3.45 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.73 J/kg Max Up Vert Vel: 7.31 m/s Conv Inhibition (B-): 23107.85 J/kg Cap Strength: 16.48 C Lift Cond Lev (LCL): 931.53 mb = 776.96 m = 2549.04 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 237 at 14 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 1017 78 230 1 0.8 0.6 | 58 13 -11.4 -7.2 1 1000 212 225 3 2.1 2.1 | 61 12 -10.1 -5.7 2 925 833 220 5 3.2 3.8 | 66 10 -9.0 -4.0 3 850 1500 225 9 6.4 6.4 | 76 6 -5.8 -1.5 4 700 3000 225 17 12.0 12.0 | 178 4 -0.2 4.2 5 500 5510 195 36 9.3 34.8 | 174 27 -2.9 27.0 6 400 7090 195 42 10.9 40.6 | 178 33 -1.3 32.8 7 300 9020 200 54 18.5 50.7 | 188 43 6.3 42.9 8 251 10167 200 52 17.8 48.9 | 188 41 5.6 41.0 9 250 10200 200 50 17.1 47.0 | 187 39 4.9 39.2 10 200 11610 205 44 18.6 39.9 | 191 33 6.4 32.1 11 150 13460 210 38 19.0 32.9 | 195 26 6.8 25.1 12 100 16030 230 33 25.3 21.2 | 224 19 13.1 13.4 Wind Parameters Mean winds (0-6000m): 207.3 at 19.3 knts Storm direction: 237.3 at 14.5 knts Shear (0-3000m) pos: 0.5 neg: 2.3 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 122.7 deg Storm rel helicity (0-3000m) pos: 14.4 neg: 0.0 tot: 14.4 m^2/s^2 ave: 4.8 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 2.9 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.76 Bulk Shear: 35.15 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 ------------------------------------------------------------------------------- 500 224 3 61 11| 0.0 3.3 3.3| 3.5 0.0 3.5 6.9 0.35| 3.3 1.2 1000 222 4 63 11| 0.0 2.8 2.8| 5.9 0.0 5.9 5.9 0.38| 2.8 1.1 1500 223 5 66 9| 1.0 1.9 2.9| 7.9 0.0 7.9 5.3 0.37| 2.9 1.1 2000 224 7 69 8| 0.8 2.1 2.9| 10.1 0.0 10.1 5.0 0.45| 2.9 1.3 2500 224 8 73 7| 0.6 2.2 2.8| 12.3 0.0 12.3 4.9 0.54| 2.8 1.5 3000 224 9 79 6| 0.5 2.3 2.9| 14.4 0.0 14.4 4.8 0.58| 2.9 1.7 4000 221 12 110 4| 0.4 2.8 3.1| 15.4 -0.9 14.5 3.6 0.39| 3.3 1.3 5000 214 16 148 6| 0.3 3.0 3.3| 15.4 -12.7 2.7 0.5 0.22| 3.6 0.8 6000 207 19 160 10| 0.3 3.0 3.3| 20.3 -23.1 -2.8 -0.5 0.16| 3.6 0.6 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251020.00.gif