UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102023.upa.cvt Date: 2300Z 20 OCT 25 Searching for EHDB... Searching the city database file for: EHDB ... Date:2300Z 20 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 ------------------------------------------------------------------------------- 0 1000 -85 SFC 990 4 14.0 12.1 88 1.9 12.9 175 9 288.0 289.6 286.4 313.1 8.99 2 925 570 10.2 9.3 94 0.9 9.7 205 35 289.7 291.1 286.1 312.3 7.97 3 878 1002 7.0 7.0 100 0.0 7.0 205 33 290.8 292.0 285.8 311.2 7.17 4 850 1269 5.8 4.6 92 1.2 5.2 205 31 292.2 293.3 285.4 310.2 6.26 5 774 2029 0.6 0.2 97 0.4 0.4 207 31 294.6 295.5 285.0 309.2 5.02 6 700 2831 -3.5 -6.7 78 3.2 -4.8 210 31 298.6 299.2 284.8 308.6 3.30 7 685 3002 -4.5 -9.2 70 4.7 -6.3 210 31 299.4 299.9 284.5 307.9 2.78 8 639 3546 -8.3 -9.6 90 1.3 -8.8 209 31 301.0 301.6 285.3 309.9 2.89 9 558 4587 -14.5 -19.2 67 4.7 -15.8 207 31 305.6 305.9 285.5 310.5 1.50 10 556 4614 -14.3 -21.3 55 7.0 -16.1 207 31 306.2 306.4 285.4 310.3 1.25 11 500 5410 -20.5 -28.5 49 8.0 -22.0 205 31 308.0 308.2 285.5 310.5 0.73 12 490 5559 -21.5 -30.5 44 9.0 -23.1 205 32 308.6 308.7 285.6 310.7 0.62 13 454 6117 -26.5 -30.8 67 4.3 -27.2 203 36 309.1 309.3 285.8 311.3 0.65 14 400 7020 -33.9 -41.9 44 8.0 -34.6 200 42 310.9 311.0 285.9 311.8 0.24 15 386 7268 -35.9 -45.9 35 10.0 -36.6 200 41 311.5 311.5 286.1 312.1 0.16 16 355 7841 -41.1 -46.1 58 5.0 -41.4 200 39 312.0 312.1 286.3 312.7 0.17 17 336 8211 -44.3 -48.6 62 4.3 -44.5 200 38 312.6 312.6 286.4 313.1 0.14 18 328 8372 -45.5 -52.5 45 7.0 -45.7 200 37 313.1 313.1 286.5 313.5 0.09 19 310 8745 -48.5 -51.4 72 2.9 -48.6 200 36 314.0 314.1 286.9 314.4 0.11 20 300 8960 -47.9 -57.9 31 10.0 -48.2 205 29 317.8 317.8 288.1 318.0 0.05 21 285 9300 -47.3 -65.3 11 18.0 -47.7 208 27 323.4 323.4 289.8 323.5 0.02 22 253 10091 -46.3 -75.3 2 29.0 -46.9 214 22 336.1 336.1 293.3 336.1 0.01 23 250 10170 -46.3 -75.3 2 29.0 -46.9 215 21 337.2 337.2 293.6 337.3 0.01 24 200 11630 -50.3 -78.3 2 28.0 -50.8 250 27 353.1 353.1 297.3 353.1 0.00 25 150 13510 -52.5 -82.5 1 30.0 -53.0 240 23 379.6 379.6 302.2 379.6 0.00 26 100 16100 -58.1 -85.1 2 27.0 -58.5 285 25 415.5 415.5 307.2 415.5 0.00 TRP 310 8745 -48.5 -51.4 72 2.9 -48.6 200 36 314.0 314.1 286.9 314.4 0.11 WND Sounding variables and indices 1000-500 mb thick: 5495.00 m Freezing level: 763.17 mb = 2146.57 m = 7042.47 ft Wetbulb zero: 767.90 mb = 2092.37 m = 6864.66 ft Precipitable water: 0.92 inches Sfc-500 mean rel hum: 81.46 % Est. max temperature: 18.53 C = 65.36 F Sfc-Lift cond lev (LCL): 962.26 mb = 240.89 m = 790.30 ft T: 12.41 C 700-500 lapse rate: 6.59 C/km ThetaE index: 5.27 C Layer 925.0- 639.0 mb Conv cond level (CCL): 914.99 mb = 660.18 m = 2165.93 ft Mean mixing ratio: 8.19 g/kg Conv temperature: 15.97 C = 60.75 F Cap Strength: 0.56 C Lifted Index: 0.34 C Risk: Showers probable Lifted Index @300 mb: 4.11 C Lifted Index @700 mb: -0.53 C Showalter Index: 1.66 C Risk: Showers probable Total Totals Index: 51.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 25.10 C K Index: 27.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 196.20 Risk: None Energy Index: 0.03 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 91.52 J/kg Max Up Vert Vel: 13.53 m/s Conv Inhibition (B-): 1.62 J/kg Cap Strength: 0.54 C Lift Cond Lev (LCL): 923.79 mb = 580.83 m = 1905.57 ft Lev Free Conv (LFC): 898.79 mb = 808.32 m = 2651.92 ft Equ Level (EL): 558.79 mb = 4575.63 m = 15011.73 ft B at Equ Level: 89.95 J/kg Max Parcel Lev (MPL): 298.79 mb = 8986.68 m = 29483.50 ft Wind level data Storm motion: 236 at 23 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 ---------------------------------------------------------- 0 990 4 175 9 -0.8 9.0 | 79 20 -19.9 -3.8 1 925 570 205 35 14.8 31.7 | 167 19 -4.3 19.0 2 850 1269 205 31 13.1 28.1 | 159 16 -6.0 15.3 3 700 2831 210 31 15.5 26.8 | 166 15 -3.6 14.1 4 500 5410 205 31 13.1 28.1 | 159 16 -6.0 15.3 5 400 7020 200 42 14.4 39.5 | 170 27 -4.7 26.7 6 310 8745 200 36 12.3 33.8 | 162 22 -6.8 21.1 7 300 8960 205 29 12.3 26.3 | 153 15 -6.8 13.5 8 250 10170 215 21 12.0 17.2 | 122 8 -7.1 4.5 9 200 11630 250 27 25.4 9.2 | 299 7 6.3 -3.5 10 150 13510 240 23 19.9 11.5 | 327 1 0.8 -1.2 11 100 16100 285 25 24.1 -6.5 | 345 20 5.0 -19.2 Wind Parameters Mean winds (0-6000m): 206.3 at 30.6 knts Storm direction: 236.3 at 23.0 knts Shear (0-3000m) pos: 4.1 neg: 0.0 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 85.9 deg Storm rel helicity (0-3000m) pos: 143.1 neg: -12.2 tot: 130.9 m^2/s^2 ave: 43.6 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 4.7 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 5.92 Bulk Shear: 15.47 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 ------------------------------------------------------------------------------- 500 198 20 118 14| 24.9 0.0 24.9|118.7 0.0 118.7 237.3 0.99| 25.8 25.4 1000 202 27 144 15| 12.9 0.0 12.9|135.6 -7.2 128.4 128.4 0.86| 15.9 13.7 1500 203 29 150 16| 8.1 0.0 8.1|136.7 -11.8 124.8 83.2 0.79| 11.2 8.9 2000 204 29 153 16| 6.1 0.0 6.1|139.2 -11.8 127.4 63.7 0.79| 8.6 6.8 2500 205 30 155 15| 5.0 0.0 5.0|141.7 -11.8 129.8 51.9 0.79| 7.1 5.6 3000 206 30 156 15| 4.1 0.0 4.1|143.1 -12.2 130.9 43.6 0.78| 6.0 4.7 4000 207 30 158 15| 3.1 0.1 3.2|143.1 -15.1 128.0 32.0 0.74| 4.6 3.4 5000 207 30 159 15| 2.5 0.2 2.7|143.1 -18.2 124.9 25.0 0.70| 3.8 2.7 6000 206 31 159 16| 2.1 0.5 2.5|152.4 -19.5 132.9 22.2 0.66| 3.6 2.4 Wrote GIF file: /home/apache/climate/data/raob//EHDB/skewt/EHDB.skewt.20251020.23.gif