UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for EHDB... Searching the city database file for: EHDB ... Date:1200Z 17 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 1012 4 12.2 5.2 62 7.0 8.6 335 3 284.4 285.3 281.2 299.7 5.48 1 1000 105 10.6 4.6 66 6.0 7.6 305 1 283.8 284.7 280.7 298.6 5.32 2 968 375 8.0 3.8 75 4.2 5.9 324 4 283.8 284.7 280.6 298.3 5.19 3 925 748 5.0 0.5 73 4.5 2.9 350 7 284.4 285.2 279.8 296.5 4.28 4 896 1007 3.6 -4.4 56 8.0 0.3 354 12 285.6 286.1 278.8 294.4 3.07 5 850 1432 -0.3 -5.3 69 5.0 -2.3 360 19 285.8 286.4 278.9 294.6 3.03 6 808 1834 -4.3 -6.4 85 2.1 -5.1 46 15 285.8 286.3 278.7 294.2 2.93 7 777 2144 -2.3 -3.1 94 0.8 -2.6 81 12 291.1 291.8 282.4 302.5 3.91 8 700 2969 -4.7 -5.4 95 0.7 -5.0 175 3 297.3 297.9 284.7 308.2 3.65 9 633 3758 -7.3 -8.3 93 1.0 -7.7 175 14 303.0 303.6 286.4 312.9 3.23 10 500 5560 -17.9 -20.2 82 2.3 -18.5 175 40 311.2 311.5 287.5 316.3 1.54 11 473 5973 -20.3 -22.3 84 2.0 -20.8 174 41 313.2 313.5 288.0 317.7 1.35 12 418 6875 -27.3 -29.1 85 1.8 -27.6 171 45 315.5 315.7 288.2 318.4 0.82 13 400 7190 -29.7 -32.4 77 2.7 -30.1 170 46 316.4 316.5 288.3 318.6 0.63 14 351 8108 -37.3 -40.9 69 3.6 -37.6 170 48 318.2 318.2 288.5 319.3 0.30 15 337 8388 -39.9 -43.7 67 3.8 -40.2 170 48 318.4 318.4 288.5 319.2 0.24 16 326 8614 -42.1 -44.2 80 2.1 -42.2 170 49 318.4 318.4 288.5 319.2 0.23 17 303 9104 -46.7 -52.7 50 6.0 -46.9 170 50 318.6 318.6 288.4 319.0 0.10 18 300 9170 -47.1 -51.9 58 4.8 -47.3 170 50 319.0 319.0 288.5 319.4 0.11 19 283 9553 -51.1 -54.6 66 3.5 -51.2 176 57 318.6 318.6 288.4 318.9 0.08 20 267 9929 -54.3 -57.4 69 3.1 -54.4 181 64 319.3 319.3 288.6 319.5 0.06 21 258 10148 -54.9 -60.9 47 6.0 -55.0 185 68 321.5 321.5 289.3 321.7 0.04 22 257 10173 -54.8 -62.1 40 7.3 -54.9 185 68 322.1 322.1 289.4 322.2 0.04 23 255 10223 -54.5 -64.5 28 10.0 -54.6 185 65 323.2 323.2 289.8 323.3 0.03 24 250 10350 -55.3 -63.3 36 8.0 -55.4 185 56 323.9 323.9 290.0 324.0 0.03 25 240 10609 -57.5 -63.5 46 6.0 -57.6 178 48 324.3 324.4 290.1 324.5 0.03 26 229 10904 -58.7 -66.7 35 8.0 -58.8 170 38 326.9 326.9 290.9 327.0 0.02 27 220 11159 -54.3 -83.3 2 29.0 -54.6 176 37 337.5 337.5 293.7 337.5 0.00 28 206 11580 -53.7 -79.7 3 26.0 -54.0 186 34 344.8 344.8 295.5 344.8 0.00 29 200 11770 -54.1 -81.1 2 27.0 -54.4 190 33 347.1 347.1 296.0 347.1 0.00 30 165 13010 -53.1 -84.1 1 31.0 -53.5 207 28 368.4 368.4 300.3 368.4 0.00 31 150 13630 -50.3 -83.3 1 33.0 -50.9 215 25 383.4 383.4 302.8 383.4 0.00 32 144 13897 -48.9 -83.9 1 35.0 -49.7 212 25 390.3 390.3 303.8 390.3 0.00 33 127 14715 -52.9 -84.9 1 32.0 -53.4 205 25 397.4 397.4 304.9 397.4 0.00 34 100 16260 -51.7 -86.7 1 35.0 -52.5 190 25 427.8 427.8 308.6 427.8 0.00 TRP 229 10904 -58.7 -66.7 35 8.0 -58.8 170 38 326.9 326.9 290.9 327.0 0.02 WND 257 10173 -54.8 -62.1 40 7.3 -54.9 185 68 322.1 322.1 289.4 322.2 0.04 Sounding variables and indices 1000-500 mb thick: 5455.00 m Freezing level: 853.54 mb = 1399.32 m = 4590.90 ft Wetbulb zero: 890.42 mb = 1057.57 m = 3469.67 ft Precipitable water: 0.76 inches Sfc-500 mean rel hum: 83.75 % Est. max temperature: 13.60 C = 56.47 F Sfc-Lift cond lev (LCL): 910.28 mb = 878.51 m = 2882.22 ft T: 4.30 C 700-500 lapse rate: 5.09 C/km ThetaE index: 5.28 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 869.77 mb = 1246.73 m = 4090.26 ft Mean mixing ratio: 4.87 g/kg Conv temperature: 13.56 C = 56.41 F Cap Strength: 9.09 C Lifted Index: 12.67 C Risk: None Lifted Index @300 mb: 15.11 C Lifted Index @700 mb: 6.06 C Showalter Index: 14.95 C Risk: None Total Totals Index: 30.20 C Risk: None Vertical Totals Index: 17.60 C Cross Totals Index: 12.60 C K Index: 11.60 Risk: None Sweat Index: 78.00 Risk: None Energy Index: 4.51 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.64 J/kg Max Up Vert Vel: 4.61 m/s Conv Inhibition (B-): 23.29 J/kg Cap Strength: 12.61 C Lift Cond Lev (LCL): 891.61 mb = 1046.80 m = 3434.35 ft Lev Free Conv (LFC): 836.61 mb = 1558.10 m = 5111.81 ft Equ Level (EL): 796.61 mb = 1946.76 m = 6386.95 ft B at Equ Level: 9.55 J/kg Max Parcel Lev (MPL): 776.61 mb = 2147.94 m = 7046.96 ft Wind level data Storm motion: 204 at 13 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 1012 4 335 3 1.3 -2.7 | 15 15 -3.9 -14.5 1 1000 105 305 1 0.8 -0.6 | 19 13 -4.3 -12.4 2 925 748 350 7 1.2 -6.9 | 12 19 -3.9 -18.7 3 850 1432 360 19 -0.0 -19.0 | 9 31 -5.2 -30.8 4 700 2969 175 3 -0.3 3.0 | 31 10 -5.4 -8.8 5 500 5560 175 40 -3.5 39.8 | 163 29 -8.6 28.0 6 400 7190 170 46 -8.0 45.3 | 159 36 -13.1 33.5 7 300 9170 170 50 -8.7 49.2 | 160 40 -13.8 37.4 8 257 10173 185 68 5.9 67.7 | 181 56 0.8 55.9 9 250 10350 185 56 4.9 55.8 | 180 44 -0.3 44.0 10 229 10904 170 38 -6.6 37.4 | 155 28 -11.7 25.6 11 200 11770 190 33 5.7 32.5 | 182 21 0.6 20.7 12 150 13630 215 25 14.3 20.5 | 227 13 9.2 8.7 13 100 16260 190 25 4.3 24.6 | 176 13 -0.8 12.8 Wind Parameters Mean winds (0-6000m): 173.5 at 17.2 knts Storm direction: 203.5 at 12.9 knts Shear (0-3000m) pos: 1.4 neg: 0.3 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 18.2 deg Storm rel helicity (0-3000m) pos: 165.3 neg: -26.4 tot: 139.0 m^2/s^2 ave: 46.3 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 10.0 stream: 2.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.21 Bulk Shear: 51.15 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 ------------------------------------------------------------------------------- 500 328 3 15 15| 0.0 1.8 1.8| 3.9 -7.9 -4.0 -8.0 -0.17| 6.3 -1.1 1000 348 5 14 17| 3.7 0.9 4.6| 5.0 -11.7 -6.8 -6.8 -0.11| 6.9 -0.8 1500 355 9 12 21| 5.0 0.6 5.6| 28.8 -13.0 15.8 10.5 0.05| 8.0 0.4 2000 7 10 16 23| 3.6 0.4 4.1|139.3 -13.0 126.3 63.1 0.40| 10.2 4.1 2500 7 10 16 23| 2.5 0.4 2.9|165.3 -13.2 152.2 60.9 0.40| 10.6 4.2 3000 358 10 13 22| 1.4 0.3 1.7|165.3 -26.4 139.0 46.3 0.28| 10.0 2.8 4000 360 10 13 22| 1.0 1.6 2.7|188.6 -26.4 162.3 40.6 0.39| 9.3 3.6 5000 170 13 96 8| 0.8 2.8 3.6|211.9 -26.4 185.6 37.1 0.40| 8.9 3.6 6000 174 17 127 9| 0.7 3.1 3.8|224.4 -30.8 193.7 32.3 0.37| 8.3 3.1 Wrote GIF file: /home/apache/climate/data/raob//EHDB/skewt/EHDB.skewt.20250417.12.gif