UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042412.upa.cvt Date: 1200Z 24 APR 25 Searching for EHDB... Searching the city database file for: EHDB ... Date:1200Z 24 APR 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 1018 4 12.4 11.5 94 0.9 11.9 360 5 284.1 285.5 284.2 307.2 8.39 1 1000 150 10.6 10.6 100 0.0 10.6 20 11 283.8 285.1 283.8 305.9 8.04 2 999 158 10.4 10.4 100 0.0 10.4 20 11 283.6 285.0 283.6 305.5 7.94 3 925 795 6.4 6.0 97 0.4 6.2 45 17 285.9 287.0 282.8 303.6 6.34 4 850 1485 2.0 2.0 100 0.0 2.0 25 15 288.2 289.2 282.6 303.0 5.20 5 842 1561 1.4 1.4 100 0.0 1.4 24 15 288.4 289.3 282.5 302.7 5.03 6 700 3032 -5.7 -6.1 97 0.4 -5.8 10 11 296.2 296.8 284.0 306.5 3.46 7 616 4024 -11.7 -12.4 95 0.7 -11.9 38 11 300.3 300.7 284.4 307.7 2.39 8 500 5590 -22.7 -24.5 85 1.8 -23.1 85 11 305.4 305.6 284.9 308.8 1.05 9 485 5812 -24.3 -26.1 85 1.8 -24.6 93 12 306.1 306.2 285.0 309.2 0.94 10 432 6641 -31.1 -34.3 73 3.2 -31.5 121 15 307.7 307.8 285.1 309.4 0.48 11 400 7180 -35.7 -37.7 82 2.0 -35.9 140 17 308.6 308.7 285.3 309.9 0.37 12 390 7356 -37.3 -38.7 87 1.4 -37.4 156 16 308.7 308.8 285.3 309.9 0.34 13 360 7905 -42.1 -47.1 58 5.0 -42.3 206 13 309.5 309.5 285.3 310.0 0.15 14 316 8779 -48.1 -55.1 44 7.0 -48.3 287 9 312.9 312.9 286.4 313.1 0.07 15 300 9120 -51.1 -55.4 60 4.3 -51.2 320 7 313.3 313.3 286.6 313.6 0.07 16 298 9163 -51.5 -55.5 62 4.0 -51.6 303 8 313.4 313.4 286.6 313.6 0.07 17 297 9185 -51.7 -56.7 55 5.0 -51.8 295 9 313.4 313.4 286.6 313.6 0.06 18 294 9250 -50.5 -71.5 7 21.0 -50.8 296 10 316.0 316.0 287.4 316.0 0.01 19 250 10300 -50.5 -73.5 5 23.0 -50.8 315 33 331.0 331.0 292.0 331.0 0.01 20 237 10649 -50.1 -78.1 2 28.0 -50.5 317 30 336.7 336.7 293.5 336.7 0.00 21 233 10761 -49.3 -75.3 3 26.0 -49.7 318 29 339.5 339.5 294.2 339.6 0.01 22 200 11760 -50.7 -79.7 2 29.0 -51.1 325 19 352.5 352.5 297.2 352.5 0.00 23 150 13630 -51.9 -79.9 2 28.0 -52.4 290 23 380.6 380.6 302.3 380.7 0.00 24 100 16230 -55.5 -80.5 3 25.0 -56.0 280 11 420.5 420.5 307.8 420.5 0.01 TRP 297 9185 -51.7 -56.7 55 5.0 -51.8 295 9 313.4 313.4 286.6 313.6 0.06 WND Sounding variables and indices 1000-500 mb thick: 5440.00 m Freezing level: 814.00 mb = 1851.36 m = 6073.95 ft Wetbulb zero: 814.59 mb = 1824.88 m = 5987.05 ft Precipitable water: 0.91 inches Sfc-500 mean rel hum: 95.49 % Est. max temperature: 15.98 C = 60.76 F Sfc-Lift cond lev (LCL): 1004.45 mb = 113.67 m = 372.92 ft T: 11.05 C 700-500 lapse rate: 6.65 C/km ThetaE index: 4.50 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 964.89 mb = 445.73 m = 1462.35 ft Mean mixing ratio: 7.27 g/kg Conv temperature: 12.94 C = 55.30 F Cap Strength: 1.87 C Lifted Index: 2.94 C Risk: None Lifted Index @300 mb: 6.13 C Lifted Index @700 mb: 1.02 C Showalter Index: 4.17 C Risk: None Total Totals Index: 49.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 24.70 C K Index: 26.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 73.00 Risk: None Energy Index: 1.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 42.46 J/kg Max Up Vert Vel: 9.22 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 2.87 C Lift Cond Lev (LCL): 964.29 mb = 450.89 m = 1479.28 ft Lev Free Conv (LFC): 959.29 mb = 493.89 m = 1620.37 ft Equ Level (EL): 759.29 mb = 2384.66 m = 7823.58 ft B at Equ Level: 42.25 J/kg Max Parcel Lev (MPL): 649.29 mb = 3615.42 m = 11861.46 ft Wind level data Storm motion: 68 at 9 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 1018 4 360 5 -0.0 -5.0 | 280 9 8.6 -1.5 1 1000 150 20 11 -3.8 -10.3 | 325 8 4.8 -6.9 2 925 795 45 17 -12.0 -12.0 | 22 9 -3.4 -8.6 3 850 1485 25 15 -6.3 -13.6 | 347 10 2.3 -10.1 4 700 3032 10 11 -1.9 -10.8 | 318 10 6.7 -7.4 5 500 5590 85 11 -11.0 -1.0 | 137 3 -2.4 2.5 6 400 7180 140 17 -10.9 13.0 | 172 17 -2.3 16.5 7 300 9120 320 7 4.5 -5.4 | 278 13 13.1 -1.9 8 297 9185 295 9 8.2 -3.8 | 271 17 16.7 -0.3 9 250 10300 315 33 23.3 -23.3 | 302 38 31.9 -19.9 10 200 11760 325 19 10.9 -15.6 | 302 23 19.5 -12.1 11 150 13630 290 23 21.6 -7.9 | 278 31 30.2 -4.4 12 100 16230 280 11 10.8 -1.9 | 265 19 19.4 1.6 Wind Parameters Mean winds (0-6000m): 38.0 at 12.4 knts Storm direction: 68.0 at 9.3 knts Shear (0-3000m) pos: 2.2 neg: 1.5 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 38.2 deg Storm rel helicity (0-3000m) pos: 33.3 neg: -28.4 tot: 4.9 m^2/s^2 ave: 1.6 10^-3 m/s^2 rel: 0.16 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 0.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 37.69 Bulk Shear: 1.13 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 25 11 330 8| 10.8 0.0 10.8| 24.2 0.0 24.2 48.4 1.00| 11.5 11.4 1000 35 14 355 8| 6.6 0.0 6.6| 33.3 -4.4 29.0 29.0 0.78| 8.7 6.8 1500 34 14 356 8| 4.4 1.4 5.8| 33.3 -14.9 18.5 12.3 0.44| 7.2 3.2 2000 31 14 353 9| 3.3 1.5 4.8| 33.3 -19.6 13.7 6.9 0.33| 5.9 1.9 2500 29 14 348 9| 2.7 1.5 4.1| 33.3 -24.1 9.2 3.7 0.24| 5.1 1.2 3000 27 14 344 9| 2.2 1.5 3.7| 33.3 -28.4 4.9 1.6 0.16| 4.5 0.7 4000 26 13 341 9| 2.1 1.1 3.2| 39.4 -28.4 11.0 2.8 0.23| 4.1 0.9 5000 31 13 343 8| 1.9 0.9 2.8| 42.6 -28.4 14.2 2.8 0.30| 3.8 1.1 6000 38 12 351 6| 1.8 0.7 2.6| 45.3 -28.4 16.9 2.8 0.33| 3.8 1.3 Wrote GIF file: /home/apache/climate/data/raob//EHDB/skewt/EHDB.skewt.20250424.12.gif