UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for X1538... Searching the city database file for: X1538 ... Date:1200Z 19 APR 25 Station: X1538 WMO ident: 31538 Latitude: 50.07 Longitude: 132.13 ------------------------------------------------------------------------------- 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 60 SFC 965 349 3.2 1.5 89 1.7 2.4 105 5 279.2 279.9 277.3 291.3 4.42 2 925 692 1.4 -1.0 84 2.4 0.4 110 25 280.7 281.4 277.4 291.5 3.84 3 850 1369 -1.7 -3.6 87 1.9 -2.4 155 25 284.4 285.0 278.7 294.2 3.44 4 772 2128 -6.1 -8.1 86 2.0 -6.8 170 26 287.6 288.0 279.3 295.4 2.69 5 700 2886 -11.5 -14.1 81 2.6 -12.2 185 27 289.7 290.1 279.2 295.2 1.83 6 641 3554 -17.3 -20.1 79 2.8 -17.9 181 25 290.6 290.8 278.7 294.3 1.21 7 574 4376 -21.1 -24.1 77 3.0 -21.7 176 23 295.4 295.6 280.6 298.4 0.95 8 500 5380 -28.9 -32.0 75 3.1 -29.3 170 21 297.8 297.9 281.1 299.5 0.52 9 427 6483 -37.9 -40.7 75 2.8 -38.1 190 29 300.1 300.1 281.7 301.0 0.26 10 426 6499 -38.1 -41.0 74 2.9 -38.3 190 29 300.0 300.1 281.7 300.9 0.25 11 409 6778 -38.9 -42.7 67 3.8 -39.2 195 31 302.5 302.5 282.7 303.3 0.22 12 400 6930 -38.5 -42.8 64 4.3 -38.8 200 31 305.0 305.0 283.7 305.7 0.22 13 378 7320 -38.3 -43.3 59 5.0 -38.7 199 29 310.2 310.2 285.7 311.0 0.22 14 354 7769 -40.9 -47.9 47 7.0 -41.3 198 28 312.6 312.6 286.4 313.1 0.14 15 327 8312 -39.3 -49.3 34 10.0 -39.9 196 25 321.9 322.0 289.5 322.4 0.13 16 300 8900 -41.7 -52.7 29 11.0 -42.3 195 23 326.6 326.6 290.9 327.0 0.10 17 278 9412 -43.3 -55.3 25 12.0 -43.8 197 22 331.5 331.5 292.2 331.8 0.08 18 250 10120 -45.5 -58.5 22 13.0 -46.0 200 21 338.4 338.4 294.0 338.7 0.06 19 241 10364 -46.3 -59.3 22 13.0 -46.8 206 20 340.8 340.8 294.6 341.0 0.05 20 200 11600 -47.7 -60.7 21 13.0 -48.2 235 17 357.2 357.2 298.2 357.5 0.05 21 150 13490 -50.1 -64.1 18 14.0 -50.6 265 17 383.7 383.8 302.9 384.0 0.05 22 100 16110 -54.7 -68.7 16 14.0 -55.2 265 13 422.0 422.0 308.0 422.2 0.04 23 70 18390 -57.7 -70.7 18 13.0 -58.2 245 19 460.9 461.0 311.9 461.2 0.04 24 61 19259 -57.9 -70.9 17 13.0 -58.4 265 15 479.0 479.0 313.4 479.3 0.04 25 50 20520 -56.1 -70.1 16 14.0 -56.9 295 9 511.3 511.3 315.8 511.7 0.06 26 38 22273 -53.7 -67.7 16 14.0 -54.9 249 7 559.1 559.2 318.6 559.9 0.11 27 33 23173 -57.1 -70.1 18 13.0 -58.0 226 6 573.1 573.2 319.3 573.8 0.09 28 30 23780 -54.1 -67.1 19 13.0 -55.5 210 5 597.2 597.2 320.5 598.3 0.15 29 20 26370 -55.7 -68.7 18 13.0 -57.4 45 5 665.7 665.8 323.3 667.2 0.18 30 17 27408 -54.5 -67.5 19 13.0 -56.6 701.2 701.3 324.6 703.4 0.26 TRP 409 6778 -38.9 -42.7 67 3.8 -39.2 195 31 302.5 302.5 282.7 303.3 0.22 WND Sounding variables and indices 1000-500 mb thick: 5320.00 m Freezing level: 891.13 mb = 997.74 m = 3273.39 ft Wetbulb zero: 915.10 mb = 778.17 m = 2553.03 ft Precipitable water: 0.45 inches Sfc-500 mean rel hum: 81.22 % Est. max temperature: 9.72 C = 49.50 F Sfc-Lift cond lev (LCL): 939.87 mb = 562.89 m = 1846.73 ft T: 2.08 C 700-500 lapse rate: 6.98 C/km ThetaE index: 1.14 C Layer 700.0- 574.0 mb Conv cond level (CCL): 839.18 mb = 1469.99 m = 4822.74 ft Mean mixing ratio: 3.85 g/kg Conv temperature: 8.76 C = 47.76 F Cap Strength: 4.95 C Lifted Index: 5.77 C Risk: None Lifted Index @300 mb: 24.49 C Lifted Index @700 mb: 2.72 C Showalter Index: 4.24 C Risk: None Total Totals Index: 52.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.20 C Cross Totals Index: 25.30 C K Index: 21.00 Risk: 20-40 % chance of thunderstorms Sweat Index: 141.00 Risk: None Energy Index: 1.08 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.36 J/kg Max Up Vert Vel: 5.72 m/s Conv Inhibition (B-): 50562.38 J/kg Cap Strength: 5.73 C Lift Cond Lev (LCL): 883.87 mb = 1056.14 m = 3465.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 200 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 ---------------------------------------------------------- 0 965 349 105 5 -4.8 1.3 | 35 19 -11.1 -15.7 1 925 692 110 25 -23.5 8.6 | 74 31 -29.7 -8.5 2 850 1369 155 25 -10.6 22.7 | 108 18 -16.8 5.6 3 700 2886 185 27 2.4 26.9 | 158 11 -3.9 9.9 4 500 5380 170 21 -3.6 20.7 | 110 11 -9.9 3.6 5 409 6778 195 31 8.0 29.9 | 188 13 1.8 12.9 6 400 6930 200 31 10.6 29.1 | 200 13 4.4 12.1 7 300 8900 195 23 6.0 22.2 | 177 5 -0.3 5.2 8 250 10120 200 21 7.2 19.7 | 199 3 0.9 2.7 9 200 11600 235 17 13.9 9.8 | 314 11 7.7 -7.3 10 150 13490 265 17 16.9 1.5 | 326 19 10.7 -15.6 11 100 16110 265 13 13.0 1.1 | 337 17 6.7 -15.9 12 70 18390 245 19 17.2 8.0 | 309 14 11.0 -9.0 13 50 20520 295 9 8.2 -3.8 | 355 21 1.9 -20.8 14 30 23780 210 5 2.5 4.3 | 16 13 -3.7 -12.7 15 20 26370 45 5 -3.5 -3.5 | 25 23 -9.8 -20.6 Wind Parameters Mean winds (0-6000m): 170.1 at 24.2 knts Storm direction: 200.1 at 18.1 knts Shear (0-3000m) pos: 4.5 neg: 0.2 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 114.1 deg Storm rel helicity (0-3000m) pos: 237.3 neg: -4.0 tot: 233.3 m^2/s^2 ave: 77.8 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 9.2 stream: 7.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.27 Bulk Shear: 60.05 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 ------------------------------------------------------------------------------- 500 112 18 66 25| 20.8 0.0 20.8|129.0 0.0 129.0 257.9 0.83| 24.3 20.2 1000 126 22 80 24| 11.3 0.0 11.3|193.6 0.0 193.6 193.6 0.79| 19.6 15.5 1500 139 23 90 21| 8.1 0.0 8.1|210.2 0.0 210.2 140.1 0.79| 14.7 11.6 2000 148 24 99 19| 6.4 0.0 6.4|224.1 0.0 224.1 112.1 0.80| 12.2 9.7 2500 155 24 107 17| 5.4 0.0 5.4|237.0 0.0 237.0 94.8 0.80| 10.7 8.6 3000 161 25 113 16| 4.5 0.2 4.8|237.3 -4.0 233.3 77.8 0.76| 9.2 7.0 4000 166 25 119 14| 3.4 0.6 4.0|237.3 -13.4 223.8 56.0 0.65| 7.4 4.8 5000 168 24 120 13| 2.7 0.9 3.6|237.3 -22.4 214.8 43.0 0.56| 6.2 3.5 6000 170 24 123 12| 3.0 0.7 3.7|264.3 -22.4 241.9 40.3 0.62| 6.1 3.7 Wrote GIF file: /home/apache/climate/data/raob//X1538/skewt/X1538.skewt.20250419.12.gif