UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for U9862... Searching the city database file for: U9862 ... Date:0000Z 18 APR 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 30 SFC 973 254 5.8 -4.2 49 10.0 1.8 270 5 281.1 281.6 276.3 289.3 2.87 2 925 666 2.4 -6.6 51 9.0 -1.0 250 31 281.8 282.2 276.1 288.9 2.52 3 850 1343 -2.3 -8.3 63 6.0 -4.4 260 48 283.7 284.2 277.0 290.7 2.40 4 836 1475 -3.7 -8.4 70 4.7 -5.3 257 49 283.6 284.0 277.0 290.6 2.42 5 722 2622 -9.1 -11.3 84 2.2 -9.8 226 60 289.8 290.2 279.7 296.5 2.23 6 700 2859 -14.1 -16.7 81 2.6 -14.7 220 62 286.9 287.1 277.3 291.3 1.48 7 532 4894 -23.7 -26.5 78 2.8 -24.2 228 57 298.8 298.9 282.0 301.5 0.82 8 500 5340 -29.3 -32.3 75 3.0 -29.7 230 56 297.3 297.4 280.9 299.0 0.51 9 493 5440 -29.9 -32.9 75 3.0 -30.3 231 57 297.8 297.9 281.1 299.4 0.49 10 408 6753 -40.1 -44.0 66 3.9 -40.4 248 68 301.2 301.2 282.1 301.8 0.19 11 323 8294 -53.7 -57.9 60 4.2 -53.8 210 102 303.2 303.2 282.7 303.4 0.05 12 322 8314 -55.3 -59.3 61 4.0 -55.4 210 102 301.2 301.2 281.9 301.4 0.04 13 306 8636 -58.1 -62.3 58 4.2 -58.2 200 110 301.7 301.7 282.1 301.8 0.03 14 304 8677 -57.8 -62.0 59 4.2 -57.9 195 112 302.7 302.7 282.5 302.8 0.03 15 300 8760 -57.3 -61.4 60 4.1 -57.3 210 104 304.6 304.6 283.2 304.7 0.03 16 250 9930 -50.3 -54.6 60 4.3 -50.4 235 58 331.3 331.3 292.2 331.7 0.09 17 247 10008 -50.1 -54.5 60 4.4 -50.3 233 58 332.7 332.7 292.6 333.1 0.09 18 222 10700 -49.1 -55.1 50 6.0 -49.3 214 59 344.6 344.6 295.5 345.0 0.10 19 212 11003 -42.9 -49.9 46 7.0 -43.4 205 59 358.8 358.9 298.6 359.6 0.19 20 169 12500 -48.7 -58.7 30 10.0 -49.1 192 56 373.2 373.2 301.2 373.6 0.08 21 150 13270 -53.9 -64.9 25 11.0 -54.2 190 54 377.2 377.2 301.8 377.4 0.04 22 142 13621 -55.5 -66.5 24 11.0 -55.8 380.4 380.4 302.3 380.5 0.04 23 136 13897 -53.9 -64.9 25 11.0 -54.2 387.9 387.9 303.5 388.1 0.05 24 135 13945 -49.5 -61.5 23 12.0 -50.1 396.5 396.6 304.8 396.9 0.07 25 128 14294 -48.7 -60.7 24 12.0 -49.4 404.1 404.1 305.8 404.5 0.08 26 120 14713 -54.3 -67.3 19 13.0 -54.7 401.3 401.3 305.4 401.5 0.04 27 114 15044 -52.3 -65.3 19 13.0 -52.8 411.0 411.0 306.7 411.2 0.05 TRP 306 8636 -58.1 -62.3 58 4.2 -58.2 200 110 301.7 301.7 282.1 301.8 0.03 WND 304 8677 -57.8 -62.0 59 4.2 -57.9 195 112 302.7 302.7 282.5 302.8 0.03 Sounding variables and indices 1000-500 mb thick: 5310.00 m Freezing level: 886.70 mb = 1011.70 m = 3319.19 ft Wetbulb zero: 942.02 mb = 517.61 m = 1698.17 ft Precipitable water: 0.37 inches Sfc-500 mean rel hum: 73.26 % Est. max temperature: 8.91 C = 48.04 F Sfc-Lift cond lev (LCL): 833.80 mb = 1495.26 m = 4905.66 ft T: -3.80 C 700-500 lapse rate: 6.13 C/km ThetaE index: 5.16 C Layer 700.0- 532.0 mb Conv cond level (CCL): 720.11 mb = 2641.74 m = 8667.03 ft Mean mixing ratio: 2.58 g/kg Conv temperature: 14.17 C = 57.51 F Cap Strength: 9.09 C Lifted Index: 7.42 C Risk: None Lifted Index @300 mb: 10.82 C Lifted Index @700 mb: 1.93 C Showalter Index: 6.42 C Risk: None Total Totals Index: 48.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.00 C Cross Totals Index: 21.00 C K Index: 16.10 Risk: < 20 % chance of thunderstorms Sweat Index: 152.00 Risk: None Energy Index: 1.71 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.60 J/kg Max Up Vert Vel: 3.90 m/s Conv Inhibition (B-): 14036.98 J/kg Cap Strength: 8.95 C Lift Cond Lev (LCL): 805.19 mb = 1768.41 m = 5801.81 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 263 at 40 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 ---------------------------------------------------------- 0 973 254 270 5 5.0 -0.0 | 82 35 -34.8 -4.9 1 925 666 250 31 29.1 10.6 | 118 12 -10.7 5.7 2 850 1343 260 48 47.3 8.3 | 246 8 7.5 3.4 3 700 2859 220 62 39.9 47.5 | 180 43 0.1 42.6 4 500 5340 230 56 42.9 36.0 | 186 31 3.1 31.1 5 400 6890 250 69 64.8 23.6 | 233 31 25.1 18.7 6 306 8636 200 110 37.6 103.4 | 179 98 -2.2 98.4 7 304 8677 195 112 29.0 108.2 | 174 104 -10.8 103.3 8 300 8760 210 104 52.0 90.1 | 188 86 12.2 85.1 9 250 9930 235 58 47.5 33.3 | 195 29 7.7 28.3 10 200 11400 195 60 15.5 58.0 | 155 58 -24.3 53.0 11 150 13270 190 54 9.4 53.2 | 148 57 -30.4 48.3 Wind Parameters Mean winds (0-6000m): 232.9 at 53.4 knts Storm direction: 262.9 at 40.1 knts Shear (0-3000m) pos: 2.3 neg: 9.0 tot: 11.3 10-3/s Storm rel Dir Shear (0-3000m): 99.1 deg Storm rel helicity (0-3000m) pos: 77.9 neg: -138.4 tot: -60.4 m^2/s^2 ave: -20.1 10^-3 m/s^2 rel: 0.04 Storm rel vorticity (0-3000m) horiz: 15.0 stream: 0.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.05 Bulk Shear: 160.21 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 ------------------------------------------------------------------------------- 500 252 20 94 20| 0.0 29.3 29.3| 49.6 0.0 49.6 99.1 0.40| 30.0 11.9 1000 255 30 106 11| 7.0 14.7 21.6| 68.1 0.0 68.1 68.1 0.54| 22.0 11.9 1500 255 36 134 6| 4.6 12.4 17.0| 71.2 -19.5 51.8 34.5 0.33| 18.9 6.3 2000 251 41 172 9| 3.5 11.2 14.7| 71.2 -57.3 13.9 6.9 0.17| 17.6 3.0 2500 244 45 181 15| 2.8 10.7 13.5| 71.2-121.3 -50.1 -20.0 0.06| 17.0 0.9 3000 239 47 182 19| 2.3 9.0 11.3| 77.9-138.4 -60.4 -20.1 0.04| 15.0 0.6 4000 234 51 183 25| 2.1 6.7 8.8| 93.8-138.4 -44.6 -11.1 0.06| 11.9 0.7 5000 232 52 183 27| 2.0 5.4 7.3|105.4-138.4 -33.0 -6.6 0.07| 10.0 0.7 6000 233 53 186 27| 2.9 4.5 7.4|222.1-138.4 83.8 14.0 0.19| 9.6 1.8 Wrote GIF file: /home/apache/climate/data/raob//U9862/skewt/U9862.skewt.20250418.00.gif