UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103012.upa.cvt Date: 1200Z 30 OCT 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 30 OCT 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 79 0 0 SFC 998 95 4.4 4.4 100 0.0 4.4 0 0 277.7 278.6 277.6 292.0 5.25 2 925 711 1.8 0.5 91 1.3 1.2 135 9 281.1 281.9 278.2 293.1 4.28 3 850 1388 -2.1 -3.6 89 1.5 -2.7 165 7 283.9 284.5 278.5 293.7 3.44 4 700 2908 -10.5 -12.0 89 1.5 -11.0 220 11 290.9 291.2 280.1 297.4 2.17 5 647 3508 -13.9 -15.7 86 1.8 -14.4 221 17 293.6 293.9 280.8 298.9 1.74 6 580 4327 -19.7 -21.8 83 2.1 -20.1 223 25 296.2 296.4 281.3 299.8 1.15 7 577 4366 -20.1 -22.2 83 2.1 -20.5 223 25 296.1 296.4 281.2 299.7 1.12 8 554 4664 -23.7 -26.2 80 2.5 -24.1 223 28 295.4 295.5 280.4 297.9 0.81 9 534 4933 -23.3 -28.3 63 5.0 -24.1 224 31 299.0 299.1 281.8 301.2 0.70 10 500 5410 -26.5 -30.4 70 3.9 -27.1 225 36 300.7 300.8 282.5 302.7 0.61 11 435 6410 -32.9 -35.6 77 2.7 -33.2 222 50 304.8 304.9 283.9 306.3 0.42 12 400 7000 -36.7 -39.5 75 2.8 -37.0 220 58 307.3 307.3 284.7 308.4 0.31 13 300 8940 -49.3 -52.4 70 3.1 -49.4 220 91 315.9 315.9 287.5 316.2 0.10 14 258 9910 -55.1 -58.1 69 3.0 -55.2 215 108 321.3 321.3 289.2 321.5 0.06 15 250 10110 -56.3 -59.3 69 3.0 -56.3 220 106 322.4 322.4 289.5 322.6 0.05 16 244 10264 -57.3 -60.3 69 3.0 -57.3 220 106 323.1 323.1 289.8 323.3 0.05 17 218 10975 -57.7 -61.0 66 3.3 -57.8 226 83 333.1 333.1 292.6 333.3 0.05 18 200 11520 -56.3 -59.7 65 3.4 -56.4 230 66 343.6 343.6 295.3 343.9 0.06 19 189 11882 -54.7 -58.5 63 3.8 -54.8 231 62 351.8 351.8 297.1 352.1 0.08 20 150 13360 -55.7 -60.0 59 4.3 -55.8 235 48 374.1 374.1 301.4 374.5 0.08 21 100 15920 -59.1 -65.1 46 6.0 -59.3 245 44 413.5 413.6 307.0 413.8 0.06 22 83 17084 -59.5 -65.5 46 6.0 -59.7 253 37 435.4 435.4 309.4 435.7 0.07 23 70 18140 -62.9 -68.9 44 6.0 -63.1 260 31 449.8 449.8 310.8 450.1 0.05 24 66 18502 -64.3 -70.3 44 6.0 -64.4 262 32 454.4 454.4 311.3 454.7 0.04 25 50 20200 -65.3 -72.3 37 7.0 -65.5 270 36 489.6 489.6 314.2 489.9 0.04 26 38 21865 -65.9 -72.9 37 7.0 -66.1 270 32 528.1 528.1 316.8 528.4 0.05 27 31 23085 -70.3 -77.3 35 7.0 -70.5 270 29 547.8 547.8 318.0 548.1 0.03 28 30 23280 -69.7 -76.7 35 7.0 -69.9 270 29 554.6 554.6 318.3 554.9 0.04 29 21 25408 -68.5 -74.5 42 6.0 -68.8 270 44 617.8 617.8 321.4 618.4 0.08 30 20 25700 -69.3 -75.3 41 6.0 -69.5 270 46 624.0 624.1 321.7 624.6 0.07 31 17 26666 -71.3 -78.3 35 7.0 -71.6 647.3 647.3 322.6 647.7 0.05 TRP 244 10264 -57.3 -60.3 69 3.0 -57.3 220 106 323.1 323.1 289.8 323.3 0.05 WND 258 9910 -55.1 -58.1 69 3.0 -55.2 215 108 321.3 321.3 289.2 321.5 0.06 Sounding variables and indices 1000-500 mb thick: 5331.00 m Freezing level: 890.38 mb = 1023.46 m = 3357.77 ft Wetbulb zero: 901.67 mb = 915.49 m = 3003.53 ft Precipitable water: 0.56 inches Sfc-500 mean rel hum: 85.51 % Est. max temperature: 10.72 C = 51.29 F Sfc-Lift cond lev (LCL): 998.00 mb = 95.30 m = 312.68 ft T: 4.40 C 700-500 lapse rate: 6.39 C/km Conv cond level (CCL): 914.45 mb = 802.82 m = 2633.88 ft Mean mixing ratio: 4.59 g/kg Conv temperature: 8.22 C = 46.80 F Cap Strength: 6.80 C Lifted Index: 7.70 C Risk: None Lifted Index @300 mb: 16.45 C Lifted Index @700 mb: 3.34 C Showalter Index: 6.94 C Risk: None Total Totals Index: 47.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.40 C Cross Totals Index: 22.90 C K Index: 19.30 Risk: < 20 % chance of thunderstorms Sweat Index: 50.00 Risk: None Energy Index: 1.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.32 J/kg Max Up Vert Vel: 5.71 m/s Conv Inhibition (B-): 43357.46 J/kg Cap Strength: 7.55 C Lift Cond Lev (LCL): 935.11 mb = 622.93 m = 2043.71 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 247 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 ---------------------------------------------------------- 0 998 95 0 0 -0.0 -0.0 | 67 14 -12.7 -5.4 1 925 711 135 9 -6.4 6.4 | 93 19 -19.0 0.9 2 850 1388 165 7 -1.8 6.8 | 95 15 -14.5 1.3 3 700 2908 220 11 7.1 8.4 | 118 6 -5.6 3.0 4 500 5410 225 36 25.5 25.5 | 213 24 12.8 20.0 5 400 7000 220 58 37.3 44.4 | 212 46 24.6 39.0 6 300 8940 220 91 58.5 69.7 | 215 79 45.8 64.3 7 258 9910 215 108 61.9 88.5 | 211 97 49.3 83.0 8 250 10110 220 106 68.1 81.2 | 216 94 55.5 75.8 9 244 10264 220 106 68.1 81.2 | 216 94 55.5 75.8 10 200 11520 230 66 50.6 42.4 | 226 53 37.9 37.0 11 150 13360 235 48 39.3 27.5 | 230 35 26.7 22.1 12 100 15920 245 44 39.9 18.6 | 244 30 27.2 13.2 13 70 18140 260 31 30.5 5.4 | 270 18 17.9 -0.0 14 50 20200 270 36 36.0 -0.0 | 283 24 23.3 -5.4 15 30 23280 270 29 29.0 -0.0 | 288 17 16.3 -5.4 16 20 25700 270 46 46.0 -0.0 | 279 34 33.3 -5.4 Wind Parameters Mean winds (0-6000m): 216.8 at 18.4 knts Storm direction: 246.8 at 13.8 knts Shear (0-3000m) pos: 2.2 neg: 0.0 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 68.6 deg Storm rel helicity (0-3000m) pos: 70.8 neg: -3.9 tot: 66.9 m^2/s^2 ave: 22.3 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 2.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.39 Bulk Shear: 42.07 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 ------------------------------------------------------------------------------- 500 141 4 80 15| 7.5 0.0 7.5| 30.3 -3.8 26.6 53.1 0.49| 10.7 5.2 1000 139 6 87 17| 4.0 0.0 4.0| 53.9 -3.8 50.1 50.1 0.57| 8.8 5.0 1500 147 6 90 16| 2.6 0.0 2.6| 57.0 -3.9 53.2 35.4 0.53| 6.9 3.6 2000 158 7 94 15| 2.3 0.0 2.3| 63.0 -3.9 59.1 29.6 0.54| 5.9 3.2 2500 170 7 98 14| 2.1 0.0 2.1| 66.7 -3.9 62.8 25.1 0.52| 5.4 2.8 3000 182 8 102 13| 2.2 0.0 2.2| 70.8 -3.9 66.9 22.3 0.53| 5.2 2.8 4000 201 10 116 10| 2.9 0.0 2.9| 87.3 -3.9 83.5 20.9 0.59| 5.2 3.1 5000 212 14 142 8| 3.4 0.0 3.4|105.8 -3.9 101.9 20.4 0.56| 5.2 2.9 6000 217 18 170 9| 3.3 0.6 3.9|114.3 -3.9 110.4 18.4 0.47| 5.4 2.5 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20251030.12.gif