UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100912.upa.cvt Date: 1200Z 9 OCT 25 Searching for EHDB... Searching the city database file for: EHDB ... Date:1200Z 9 OCT 25 Station: EHDB WMO ident: 6260 Latitude: 52.10 Longitude: 5.18 Elevation: 4.00 ------------------------------------------------------------------------------- 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 1025 4 15.2 9.2 67 6.0 11.8 280 3 286.3 287.6 283.9 306.3 7.13 1 1000 213 13.2 7.2 67 6.0 9.9 305 9 286.4 287.5 283.1 304.2 6.37 2 925 862 7.2 5.1 86 2.1 6.1 310 15 286.7 287.7 282.8 303.4 5.96 3 900 1087 5.6 3.0 83 2.6 4.3 308 12 287.3 288.2 282.3 302.2 5.28 4 888 1197 7.6 1.6 66 6.0 4.6 308 11 290.5 291.3 283.1 304.4 4.84 5 864 1423 7.6 0.6 61 7.0 4.2 306 9 292.7 293.6 283.9 306.2 4.62 6 850 1558 7.8 1.8 66 6.0 4.8 305 7 294.3 295.2 285.1 309.3 5.13 7 828 1774 7.0 2.4 72 4.6 4.6 314 8 295.7 296.7 285.9 311.8 5.50 8 813 1924 6.0 2.3 77 3.7 4.1 320 9 296.2 297.2 286.2 312.5 5.56 9 745 2635 2.6 -2.0 72 4.6 0.4 349 12 300.0 300.8 286.5 313.3 4.43 10 737 2723 2.2 -3.8 64 6.0 -0.5 353 13 300.5 301.2 286.1 312.3 3.92 11 719 2923 3.6 -12.4 30 16.0 -2.5 1 14 304.1 304.5 285.5 310.6 2.05 12 718 2934 3.6 -11.4 32 15.0 -2.3 2 14 304.3 304.7 285.8 311.3 2.22 13 714 2980 3.2 -5.8 52 9.0 -0.8 3 14 304.3 304.9 287.1 315.0 3.47 14 700 3140 2.8 -7.2 48 10.0 -1.5 10 15 305.6 306.2 287.2 315.5 3.18 15 674 3445 0.6 -7.4 55 8.0 -2.9 6 16 306.4 307.1 287.6 316.6 3.25 16 601 4355 -5.1 -13.1 53 8.0 -8.0 352 20 310.1 310.5 287.9 317.5 2.32 17 500 5770 -16.3 -22.3 60 6.0 -17.9 330 25 313.2 313.4 287.9 317.4 1.28 18 449 6570 -22.9 -27.4 67 4.5 -23.8 335 27 314.7 314.8 288.0 317.7 0.90 19 441 6702 -23.3 -36.3 29 13.0 -25.2 336 27 315.8 315.8 287.8 317.2 0.39 20 429 6904 -24.7 -39.7 24 15.0 -26.6 337 28 316.5 316.5 287.9 317.5 0.28 21 401 7392 -28.3 -36.3 46 8.0 -29.3 340 29 318.0 318.1 288.6 319.5 0.43 22 400 7410 -28.5 -36.5 46 8.0 -29.5 340 29 317.9 318.0 288.6 319.5 0.42 23 300 9400 -44.7 -58.7 19 14.0 -45.2 5 38 322.4 322.4 289.5 322.5 0.05 24 288 9672 -46.1 -60.1 19 14.0 -46.5 359 38 324.1 324.1 290.0 324.3 0.04 25 250 10600 -52.3 -64.3 22 12.0 -52.5 340 36 328.3 328.3 291.3 328.4 0.03 26 236 10970 -54.7 -63.7 32 9.0 -54.9 335 37 330.1 330.1 291.8 330.3 0.03 27 207 11803 -57.7 -69.7 20 12.0 -57.9 325 40 338.0 338.1 293.9 338.1 0.02 28 200 12020 -56.7 -74.7 9 18.0 -56.9 330 40 343.0 343.0 295.0 343.0 0.01 29 195 12180 -55.1 -77.1 5 22.0 -55.4 327 38 348.0 348.0 296.2 348.0 0.01 30 150 13840 -57.3 -82.3 3 25.0 -57.6 300 19 371.4 371.4 300.8 371.4 0.00 31 108 15886 -63.5 -85.5 4 22.0 -63.7 312 16 396.2 396.2 304.7 396.2 0.00 32 100 16360 -62.1 -86.1 3 24.0 -62.3 315 15 407.7 407.7 306.2 407.8 0.00 TRP 207 11803 -57.7 -69.7 20 12.0 -57.9 325 40 338.0 338.1 293.9 338.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5557.00 m Freezing level: 666.32 mb = 3540.68 m = 11616.27 ft Wetbulb zero: 741.33 mb = 2675.20 m = 8776.79 ft Precipitable water: 0.91 inches Sfc-500 mean rel hum: 62.89 % Est. max temperature: 20.60 C = 69.07 F Sfc-Lift cond lev (LCL): 936.79 mb = 756.53 m = 2482.01 ft T: 8.18 C 700-500 lapse rate: 7.26 C/km ThetaE index: 4.03 C Layer 1000.0- 888.0 mb Conv cond level (CCL): 751.64 mb = 2563.02 m = 8408.75 ft Mean mixing ratio: 6.31 g/kg Conv temperature: 28.56 C = 83.40 F Cap Strength: 10.23 C Lifted Index: 9.81 C Risk: None Lifted Index @300 mb: 13.02 C Lifted Index @700 mb: 9.93 C Showalter Index: 6.47 C Risk: None Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 18.10 C K Index: 15.90 Risk: < 20 % chance of thunderstorms Sweat Index: 60.60 Risk: None Energy Index: 1.73 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.95 J/kg Max Up Vert Vel: 1.38 m/s Conv Inhibition (B-): 11691.68 J/kg Cap Strength: 10.22 C Lift Cond Lev (LCL): 909.73 mb = 998.67 m = 3276.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 8 at 12 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 1025 4 280 3 3.0 -0.5 | 203 12 4.6 11.0 1 1000 213 305 9 7.4 -5.2 | 235 11 9.0 6.4 2 925 862 310 15 11.5 -9.6 | 262 13 13.2 1.9 3 850 1558 305 7 5.7 -4.0 | 225 11 7.4 7.5 4 700 3140 10 15 -2.6 -14.8 | 16 3 -0.9 -3.2 5 500 5770 330 25 12.5 -21.7 | 306 17 14.2 -10.1 6 400 7410 340 29 9.9 -27.3 | 324 20 11.6 -15.7 7 300 9400 5 38 -3.3 -37.9 | 4 26 -1.6 -26.3 8 250 10600 340 36 12.3 -33.8 | 328 26 14.0 -22.3 9 207 11803 325 40 22.9 -32.8 | 311 33 24.6 -21.2 10 200 12020 330 40 20.0 -34.6 | 317 32 21.7 -23.1 11 150 13840 300 19 16.5 -9.5 | 264 18 18.1 2.0 12 100 16360 315 15 10.6 -10.6 | 266 12 12.3 0.9 Wind Parameters Mean winds (0-6000m): 338.2 at 15.5 knts Storm direction: 8.2 at 11.7 knts Shear (0-3000m) pos: 3.0 neg: 1.0 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 145.4 deg Storm rel helicity (0-3000m) pos: 51.5 neg: -20.8 tot: 30.7 m^2/s^2 ave: 10.2 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.08 Bulk Shear: 12.57 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 ------------------------------------------------------------------------------- 500 304 9 232 11| 9.4 0.0 9.4| 27.6 0.0 27.6 55.2 0.98| 9.5 9.4 1000 307 11 245 12| 5.6 0.0 5.6| 36.2 -3.4 32.8 32.8 0.80| 6.9 5.5 1500 308 11 245 11| 3.7 2.0 5.7| 36.2 -19.8 16.4 11.0 0.28| 6.6 1.8 2000 309 10 242 11| 3.3 1.5 4.8| 42.0 -20.8 21.2 10.6 0.32| 5.8 1.9 2500 315 10 244 10| 3.2 1.2 4.4| 47.4 -20.8 26.6 10.6 0.38| 5.6 2.1 3000 325 11 250 8| 3.0 1.0 4.0| 51.5 -20.8 30.7 10.2 0.46| 5.6 2.6 4000 339 12 267 6| 2.5 0.4 2.9| 52.4 -24.8 27.6 6.9 0.34| 5.0 1.7 5000 341 14 284 6| 2.0 0.4 2.5| 52.4 -34.1 18.3 3.7 0.21| 4.7 1.0 6000 338 16 291 8| 1.7 0.8 2.5| 55.7 -46.2 9.4 1.6 0.14| 4.4 0.6 Wrote GIF file: /home/apache/climate/data/raob//EHDB/skewt/EHDB.skewt.20251009.12.gif