UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for EHDB... Searching the city database file for: EHDB ... Date:0000Z 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 1008 4 9.8 9.2 96 0.6 9.5 335 1 282.3 283.6 282.3 302.2 7.25 1 1000 68 9.6 8.4 92 1.2 8.9 25 3 282.8 283.9 282.1 301.8 6.92 2 925 714 7.8 5.7 87 2.1 6.7 210 3 287.3 288.4 283.3 304.8 6.21 3 907 876 7.2 5.2 87 2.0 6.2 202 3 288.3 289.4 283.7 305.6 6.12 4 850 1407 3.4 2.1 91 1.3 2.8 175 3 289.7 290.6 283.3 304.7 5.24 5 815 1747 0.8 0.3 96 0.5 0.5 150 4 290.5 291.3 283.1 304.3 4.80 6 776 2141 0.2 0.0 99 0.2 0.1 121 6 293.9 294.8 284.7 308.3 4.93 7 700 2960 -4.7 -5.9 91 1.2 -5.2 60 9 297.3 297.9 284.5 307.8 3.51 8 691 3062 -5.1 -6.2 92 1.1 -5.5 62 9 297.9 298.6 284.7 308.4 3.48 9 534 5041 -17.9 -18.5 95 0.6 -18.1 108 12 305.4 305.7 285.6 310.8 1.66 10 500 5530 -21.7 -23.1 88 1.4 -22.0 120 13 306.6 306.8 285.5 310.5 1.19 11 481 5814 -23.9 -25.3 88 1.4 -24.2 117 12 307.3 307.5 285.5 310.7 1.02 12 400 7130 -34.9 -37.7 76 2.8 -35.2 100 7 309.6 309.7 285.7 310.9 0.37 13 376 7558 -38.9 -41.3 78 2.4 -39.1 104 10 309.9 309.9 285.6 310.8 0.27 14 322 8599 -48.7 -53.7 56 5.0 -48.8 115 18 310.4 310.4 285.5 310.7 0.08 15 303 8996 -52.5 -55.4 71 2.9 -52.6 119 21 310.5 310.5 285.6 310.7 0.07 16 300 9060 -53.1 -55.6 74 2.5 -53.2 120 21 310.5 310.5 285.6 310.8 0.07 17 294 9189 -54.3 -56.3 78 2.0 -54.4 120 20 310.6 310.6 285.6 310.8 0.06 18 286 9364 -55.7 -59.4 63 3.7 -55.8 120 19 311.1 311.1 285.8 311.2 0.04 19 283 9431 -52.9 -63.9 25 11.0 -53.1 117 18 316.0 316.0 287.5 316.1 0.03 20 277 9569 -51.3 -66.3 15 15.0 -51.5 112 17 320.3 320.3 288.8 320.3 0.02 21 250 10230 -52.7 -70.7 10 18.0 -52.9 85 9 327.7 327.7 291.1 327.8 0.01 22 247 10308 -53.3 -70.3 11 17.0 -53.5 90 9 328.0 328.0 291.2 328.0 0.01 23 208 11424 -49.9 -73.9 4 24.0 -50.4 155 6 349.8 349.8 296.6 349.8 0.01 24 200 11680 -51.5 -75.5 4 24.0 -51.9 170 5 351.2 351.2 296.9 351.2 0.01 25 195 11844 -52.5 -75.5 5 23.0 -52.9 173 5 352.2 352.2 297.1 352.2 0.01 26 174 12588 -48.7 -78.7 2 30.0 -49.3 187 7 370.1 370.1 300.6 370.1 0.00 27 150 13560 -51.3 -80.3 2 29.0 -51.8 205 9 381.7 381.7 302.5 381.7 0.00 28 108 15693 -54.1 -82.1 2 28.0 -54.6 189 4 414.0 414.0 307.0 414.0 0.00 29 100 16190 -53.1 -82.1 2 29.0 -53.8 185 3 425.1 425.1 308.3 425.2 0.00 TRP 286 9364 -55.7 -59.4 63 3.7 -55.8 120 19 311.1 311.1 285.8 311.2 0.04 WND Sounding variables and indices 1000-500 mb thick: 5462.00 m Freezing level: 772.90 mb = 2174.02 m = 7132.51 ft Wetbulb zero: 774.87 mb = 2152.15 m = 7060.76 ft Precipitable water: 0.90 inches Sfc-500 mean rel hum: 92.76 % Est. max temperature: 17.02 C = 62.63 F Sfc-Lift cond lev (LCL): 998.94 mb = 76.78 m = 251.89 ft T: 9.58 C 700-500 lapse rate: 6.61 C/km ThetaE index: 1.33 C Layer 850.0- 776.0 mb Conv cond level (CCL): 885.40 mb = 1073.19 m = 3520.93 ft Mean mixing ratio: 6.54 g/kg Conv temperature: 16.33 C = 61.39 F Cap Strength: 4.70 C Lifted Index: 4.82 C Risk: None Lifted Index @300 mb: 5.06 C Lifted Index @700 mb: 2.72 C Showalter Index: 4.06 C Risk: None Total Totals Index: 48.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.10 C Cross Totals Index: 23.80 C K Index: 26.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 44.20 Risk: None Energy Index: 1.17 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.36 J/kg Max Up Vert Vel: 5.89 m/s Conv Inhibition (B-): 12382.42 J/kg Cap Strength: 4.80 C Lift Cond Lev (LCL): 932.85 mb = 644.02 m = 2112.91 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 129 at 6 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 1008 4 335 1 0.4 -0.9 | 313 7 5.1 -4.7 1 1000 68 25 3 -1.3 -2.7 | 333 7 3.4 -6.5 2 925 714 210 3 1.5 2.6 | 281 6 6.2 -1.2 3 850 1407 175 3 -0.3 3.0 | 280 4 4.4 -0.8 4 700 2960 60 9 -7.8 -4.5 | 21 9 -3.1 -8.3 5 500 5530 120 13 -11.3 6.5 | 112 7 -6.6 2.7 6 400 7130 100 7 -6.9 1.2 | 41 3 -2.2 -2.6 7 300 9060 120 21 -18.2 10.5 | 116 15 -13.5 6.7 8 286 9364 120 19 -16.5 9.5 | 116 13 -11.8 5.7 9 250 10230 85 9 -9.0 -0.8 | 43 6 -4.3 -4.6 10 200 11680 170 5 -0.9 4.9 | 254 4 3.8 1.1 11 150 13560 205 9 3.8 8.2 | 243 10 8.5 4.4 12 100 16190 185 3 0.3 3.0 | 279 5 4.9 -0.8 Wind Parameters Mean winds (0-6000m): 99.2 at 8.0 knts Storm direction: 129.2 at 6.0 knts Shear (0-3000m) pos: 0.0 neg: 1.6 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 69.0 deg Storm rel helicity (0-3000m) pos: 4.8 neg: -19.9 tot: -15.1 m^2/s^2 ave: -5.0 10^-3 m/s^2 rel: -0.21 Storm rel vorticity (0-3000m) horiz: 4.5 stream: -0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.32 Bulk Shear: 13.20 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 ------------------------------------------------------------------------------- 500 333 3 317 9| 0.0 2.9 2.9| 4.2 -11.9 -7.7 -15.5 -0.38| 8.2 -3.1 1000 211 3 282 6| 0.0 2.0 2.0| 4.2 -16.0 -11.8 -11.8 -0.43| 6.0 -2.6 1500 192 3 280 5| 0.0 1.5 1.5| 4.3 -16.2 -11.9 -8.0 -0.39| 4.6 -1.8 2000 168 3 278 4| 0.0 1.6 1.6| 4.5 -16.5 -12.1 -6.0 -0.30| 4.3 -1.3 2500 135 4 298 2| 0.0 1.6 1.6| 4.8 -16.7 -11.9 -4.8 -0.17| 4.4 -0.8 3000 94 5 359 4| 0.0 1.6 1.6| 4.8 -19.9 -15.1 -5.0 -0.21| 4.5 -0.9 4000 82 6 14 5| 0.5 1.2 1.7| 13.8 -19.9 -6.1 -1.5 -0.04| 3.9 -0.2 5000 89 7 32 5| 0.9 0.9 1.8| 23.0 -19.9 3.1 0.6 0.10| 3.6 0.4 6000 99 8 52 4| 1.0 0.8 1.7| 27.9 -22.3 5.6 0.9 0.12| 3.4 0.4 Wrote GIF file: /home/apache/climate/data/raob//EHDB/skewt/EHDB.skewt.20250421.00.gif