UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101900.upa.cvt Date: 0000Z 19 OCT 25 Searching for X4009... Searching the city database file for: X4009 ... Date:0000Z 19 OCT 25 Station: X4009 WMO ident: 34009 Latitude: 51.77 Longitude: 36.17 ------------------------------------------------------------------------------- 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 140 SFC 987 248 7.6 5.9 89 1.7 6.7 150 3 281.8 282.8 280.5 298.1 5.90 2 946 597 6.8 3.9 82 2.9 5.4 179 17 284.4 285.4 281.1 299.4 5.35 3 925 781 5.2 0.6 72 4.6 3.1 195 25 284.6 285.4 279.9 296.8 4.32 4 882 1169 2.6 -2.4 70 5.0 0.5 189 26 285.8 286.5 279.6 296.2 3.63 5 863 1345 1.6 -4.4 64 6.0 -0.9 187 27 286.6 287.1 279.4 295.8 3.19 6 850 1467 1.0 -3.8 70 4.8 -1.0 185 27 287.2 287.8 280.0 297.0 3.39 7 788 2072 -2.5 -4.6 85 2.1 -3.4 206 23 289.7 290.3 281.2 299.8 3.45 8 707 2926 -7.1 -9.8 81 2.7 -8.1 237 18 293.8 294.2 282.0 301.5 2.57 9 700 3004 -7.9 -10.6 81 2.7 -8.8 240 17 293.7 294.2 281.8 301.1 2.43 10 572 4534 -20.7 -23.9 75 3.2 -21.3 237 27 296.2 296.4 281.0 299.3 0.97 11 500 5520 -24.7 -30.7 57 6.0 -25.6 235 33 302.9 303.0 283.4 304.9 0.59 12 486 5726 -25.5 -32.5 52 7.0 -26.5 234 34 304.4 304.5 283.8 306.1 0.51 13 467 6014 -27.7 -35.7 46 8.0 -28.7 233 35 305.2 305.2 284.0 306.5 0.39 14 400 7110 -34.7 -42.7 44 8.0 -35.3 230 38 309.9 309.9 285.5 310.7 0.22 15 393 7233 -35.3 -43.3 44 8.0 -35.9 310.7 310.7 285.8 311.4 0.21 16 371 7630 -40.1 -49.1 38 9.0 -40.6 309.5 309.5 285.3 309.9 0.12 TRP WND Sounding variables and indices 1000-500 mb thick: 5380.00 m Freezing level: 832.29 mb = 1639.98 m = 5380.43 ft Wetbulb zero: 875.11 mb = 1231.90 m = 4041.62 ft Precipitable water: 0.56 inches Sfc-500 mean rel hum: 75.96 % Est. max temperature: 13.49 C = 56.28 F Sfc-Lift cond lev (LCL): 961.67 mb = 461.83 m = 1515.18 ft T: 7.11 C 700-500 lapse rate: 6.68 C/km ThetaE index: 3.62 C Layer 925.0- 850.0 mb Conv cond level (CCL): 848.55 mb = 1480.68 m = 4857.80 ft Mean mixing ratio: 4.82 g/kg Conv temperature: 13.03 C = 55.46 F Cap Strength: 3.08 C Lifted Index: 5.87 C Risk: None Lifted Index @700 mb: 2.86 C Showalter Index: 6.39 C Risk: None Total Totals Index: 46.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 20.90 C K Index: 19.20 Risk: < 20 % chance of thunderstorms Sweat Index: 207.76 Risk: None Energy Index: 1.61 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.37 J/kg Max Up Vert Vel: 5.17 m/s Conv Inhibition (B-): 1091.94 J/kg Cap Strength: 5.33 C Lift Cond Lev (LCL): 887.76 mb = 1115.55 m = 3659.88 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 252 at 18 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 ---------------------------------------------------------- 0 987 248 150 3 -1.5 2.6 | 81 19 -19.1 -3.0 1 925 781 195 25 6.5 24.1 | 149 22 -11.1 18.6 2 850 1467 185 27 2.4 26.9 | 144 26 -15.2 21.3 3 700 3004 240 17 14.7 8.5 | 136 4 -2.8 2.9 4 500 5520 235 33 27.0 18.9 | 215 16 9.5 13.3 5 400 7110 230 38 29.1 24.4 | 212 22 11.5 18.8 Wind Parameters Mean winds (0-6000m): 222.4 at 24.6 knts Storm direction: 252.4 at 18.4 knts Shear (0-3000m) pos: 3.3 neg: 0.6 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 76.5 deg Storm rel helicity (0-3000m) pos: 160.9 neg: -14.0 tot: 146.9 m^2/s^2 ave: 49.0 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 9.2 stream: 4.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.44 Bulk Shear: 30.14 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 ------------------------------------------------------------------------------- 500 190 13 116 17| 22.1 0.0 22.1|125.9 0.0 125.9 251.8 0.99| 23.8 23.7 1000 191 19 134 19| 11.1 1.7 12.7|135.5 -6.8 128.7 128.7 0.85| 14.3 12.1 1500 190 22 139 21| 7.2 1.1 8.3|148.4 -11.0 137.4 91.6 0.73| 11.7 8.6 2000 193 22 142 20| 5.0 0.8 5.8|158.8 -11.0 147.8 73.9 0.64| 10.8 7.0 2500 197 22 144 19| 3.8 0.7 4.4|159.6 -12.2 147.4 59.0 0.54| 10.1 5.5 3000 201 21 145 17| 3.3 0.6 3.8|160.9 -14.0 146.9 49.0 0.50| 9.2 4.6 4000 211 21 153 14| 2.5 1.0 3.5|167.6 -14.0 153.5 38.4 0.52| 7.7 4.0 5000 218 23 164 13| 2.0 1.5 3.4|173.3 -14.0 159.3 31.9 0.50| 6.8 3.4 6000 222 25 175 13| 1.6 1.6 3.2|174.5 -16.4 158.1 26.4 0.46| 6.1 2.8 Wrote GIF file: /home/apache/climate/data/raob//X4009/skewt/X4009.skewt.20251019.00.gif