UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042123.upa.cvt Date: 2300Z 21 APR 25 Searching for EHDB... Searching the city database file for: EHDB ... Date:2300Z 21 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 1014 4 10.2 9.4 95 0.8 9.7 275 5 282.2 283.5 282.3 302.3 7.31 1 1000 116 9.4 8.5 94 0.9 8.9 280 7 282.5 283.7 282.1 301.7 6.97 2 985 241 8.4 8.4 100 0.0 8.4 275 9 282.8 284.0 282.3 302.1 7.03 3 965 411 7.6 5.2 85 2.4 6.4 269 11 283.6 284.6 281.1 299.6 5.75 4 956 489 9.8 3.8 66 6.0 6.8 266 12 286.6 287.5 282.0 301.5 5.26 5 925 762 7.8 2.8 71 5.0 5.4 255 15 287.3 288.2 282.0 301.6 5.06 6 850 1453 3.2 -1.0 74 4.2 1.3 245 13 289.5 290.2 282.0 301.6 4.18 7 757 2381 -3.3 -5.0 88 1.7 -4.0 227 12 292.2 292.8 282.4 302.4 3.48 8 722 2755 -4.9 -9.5 70 4.6 -6.5 220 11 294.4 294.9 282.3 302.2 2.57 9 700 2998 -6.1 -8.3 84 2.2 -7.0 215 11 295.7 296.3 283.2 304.5 2.92 10 645 3632 -10.5 -11.3 94 0.8 -10.8 220 11 297.7 298.2 283.5 305.4 2.50 11 637 3728 -10.5 -15.5 67 5.0 -12.0 221 11 298.8 299.1 283.1 304.4 1.79 12 610 4059 -12.3 -19.3 56 7.0 -14.2 223 11 300.5 300.7 283.3 304.8 1.36 13 543 4938 -17.7 -22.7 65 5.0 -18.8 230 11 304.2 304.4 284.5 307.9 1.14 14 526 5175 -18.9 -25.9 54 7.0 -20.3 232 11 305.5 305.7 284.7 308.4 0.88 15 500 5550 -21.7 -30.7 44 9.0 -23.2 235 11 306.6 306.7 284.8 308.6 0.59 16 408 7012 -34.1 -47.1 26 13.0 -35.0 230 18 308.9 308.9 285.1 309.4 0.13 17 400 7150 -35.5 -48.5 25 13.0 -36.3 230 19 308.9 308.9 285.1 309.3 0.12 18 383 7450 -38.5 -43.1 62 4.6 -38.8 234 19 308.8 308.8 285.1 309.6 0.22 19 377 7558 -39.3 -52.3 24 13.0 -39.9 235 19 309.1 309.1 285.1 309.4 0.08 20 355 7967 -42.9 -48.9 52 6.0 -43.2 240 19 309.6 309.6 285.4 310.1 0.13 21 341 8237 -45.1 -47.3 78 2.2 -45.2 244 19 310.2 310.2 285.6 310.8 0.16 22 300 9080 -51.5 -55.1 65 3.6 -51.6 255 19 312.8 312.8 286.4 313.0 0.07 23 268 9808 -57.1 -61.1 60 4.0 -57.2 247 16 314.9 314.9 287.1 315.0 0.04 24 261 9976 -57.9 -61.7 62 3.8 -58.0 245 15 316.1 316.1 287.5 316.2 0.04 25 254 10149 -57.5 -61.7 59 4.2 -57.6 239 15 319.1 319.1 288.5 319.3 0.04 26 250 10250 -55.5 -66.5 24 11.0 -55.6 235 15 323.6 323.6 289.9 323.6 0.02 27 247 10327 -54.1 -67.1 19 13.0 -54.3 235 15 326.8 326.8 290.8 326.8 0.02 28 234 10670 -54.9 -68.9 16 14.0 -55.1 235 15 330.6 330.6 291.9 330.7 0.02 29 210 11364 -50.1 -78.1 2 28.0 -50.5 235 15 348.5 348.5 296.3 348.6 0.00 30 200 11680 -51.7 -79.7 2 28.0 -52.1 235 15 350.9 350.9 296.8 350.9 0.00 31 197 11778 -51.9 -79.9 2 28.0 -52.3 235 15 352.1 352.1 297.1 352.1 0.00 32 150 13560 -49.5 -82.5 1 33.0 -50.2 240 17 384.8 384.8 303.0 384.8 0.00 33 149 13604 -49.1 -82.1 1 33.0 -49.8 241 17 386.2 386.2 303.2 386.2 0.00 34 100 16200 -52.5 -84.5 1 32.0 -53.2 280 5 426.3 426.3 308.4 426.3 0.00 TRP 261 9976 -57.9 -61.7 62 3.8 -58.0 245 15 316.1 316.1 287.5 316.2 0.04 WND Sounding variables and indices 1000-500 mb thick: 5434.00 m Freezing level: 804.22 mb = 1910.07 m = 6266.55 ft Wetbulb zero: 827.05 mb = 1672.35 m = 5486.65 ft Precipitable water: 0.71 inches Sfc-500 mean rel hum: 72.99 % Est. max temperature: 17.08 C = 62.74 F Sfc-Lift cond lev (LCL): 1001.88 mb = 100.85 m = 330.85 ft T: 9.51 C 700-500 lapse rate: 6.11 C/km ThetaE index: 2.52 C Layer 965.0- 956.0 mb Conv cond level (CCL): 864.06 mb = 1318.91 m = 4327.07 ft Mean mixing ratio: 5.95 g/kg Conv temperature: 17.08 C = 62.74 F Cap Strength: 5.98 C Lifted Index: 6.23 C Risk: None Lifted Index @300 mb: 8.13 C Lifted Index @700 mb: 2.49 C Showalter Index: 6.17 C Risk: None Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 20.70 C K Index: 21.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 37.00 Risk: None Energy Index: 1.43 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.01 J/kg Max Up Vert Vel: 7.62 m/s Conv Inhibition (B-): 11775.09 J/kg Cap Strength: 6.14 C Lift Cond Lev (LCL): 919.87 mb = 807.49 m = 2649.20 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 265 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 1014 4 275 5 5.0 -0.4 | 72 4 -3.7 -1.2 1 1000 116 280 7 6.9 -1.2 | 41 3 -1.8 -2.0 2 925 762 255 15 14.5 3.9 | 242 7 5.8 3.1 3 850 1453 245 13 11.8 5.5 | 214 6 3.1 4.7 4 700 2998 215 11 6.3 9.0 | 164 9 -2.3 8.2 5 500 5550 235 11 9.0 6.3 | 184 6 0.4 5.5 6 400 7150 230 19 14.6 12.2 | 207 13 5.9 11.4 7 300 9080 255 19 18.4 4.9 | 247 11 9.7 4.1 8 261 9976 245 15 13.6 6.3 | 222 7 4.9 5.6 9 250 10250 235 15 12.3 8.6 | 205 9 3.6 7.8 10 200 11680 235 15 12.3 8.6 | 205 9 3.6 7.8 11 150 13560 240 17 14.7 8.5 | 218 10 6.1 7.7 12 100 16200 280 5 4.9 -0.9 | 66 4 -3.7 -1.7 Wind Parameters Mean winds (0-6000m): 234.8 at 11.6 knts Storm direction: 264.8 at 8.7 knts Shear (0-3000m) pos: 0.0 neg: 1.6 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 92.5 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -21.3 tot: -21.3 m^2/s^2 ave: -7.1 10^-3 m/s^2 rel: -0.80 Storm rel vorticity (0-3000m) horiz: 3.6 stream: -2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.49 Bulk Shear: 6.46 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 ------------------------------------------------------------------------------- 500 272 9 2 1| 0.0 7.1 7.1| 0.0 -3.4 -3.4 -6.8 -0.81| 7.8 -6.3 1000 261 11 248 3| 0.0 5.1 5.1| 0.0 -7.5 -7.5 -7.5 -0.72| 6.4 -4.7 1500 256 12 235 4| 0.0 3.1 3.1| 0.0 -10.9 -10.9 -7.2 -0.76| 5.1 -3.9 2000 252 12 224 4| 0.0 2.3 2.3| 0.0 -14.2 -14.2 -7.1 -0.78| 4.4 -3.4 2500 247 12 214 5| 0.0 1.9 1.9| 0.0 -17.7 -17.7 -7.1 -0.80| 3.9 -3.1 3000 243 12 204 5| 0.0 1.6 1.6| 0.0 -21.3 -21.3 -7.1 -0.80| 3.6 -2.9 4000 238 12 193 6| 0.2 1.2 1.4| 2.0 -21.3 -19.3 -4.8 -0.71| 2.9 -2.1 5000 235 12 189 6| 0.3 1.0 1.3| 3.6 -21.3 -17.7 -3.5 -0.62| 2.5 -1.5 6000 235 12 188 6| 0.3 1.0 1.3| 6.7 -21.3 -14.6 -2.4 -0.49| 2.3 -1.1 Wrote GIF file: /home/apache/climate/data/raob//EHDB/skewt/EHDB.skewt.20250421.23.gif