UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042312.upa.cvt Date: 1200Z 23 APR 25 Searching for EHDB... Searching the city database file for: EHDB ... Date:1200Z 23 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 1013 4 31.0 27.2 80 3.8 28.1 105 3 303.0 307.3 300.8 371.5 22.95 1 500 5540 -21.9 -26.5 66 4.6 -22.8 190 13 306.3 306.5 285.0 309.2 0.88 2 400 7140 -34.9 -37.3 79 2.4 -35.1 170 17 309.6 309.7 285.7 311.0 0.39 3 300 9070 -52.3 -55.8 66 3.5 -52.4 200 29 311.6 311.6 286.0 311.9 0.07 4 271 9721 -55.3 -63.3 36 8.0 -55.4 235 9 316.5 316.5 287.6 316.6 0.03 5 250 10240 -50.7 -75.7 4 25.0 -51.1 240 15 330.7 330.7 291.9 330.7 0.01 6 200 11710 -49.1 -73.1 4 24.0 -49.6 285 13 355.0 355.0 297.7 355.1 0.01 7 150 13600 -48.3 -75.3 3 27.0 -49.1 280 9 386.8 386.8 303.3 386.9 0.01 8 100 16230 -53.7 -77.7 4 24.0 -54.3 315 9 424.0 424.0 308.2 424.0 0.01 TRP 271 9721 -55.3 -63.3 36 8.0 -55.4 235 9 316.5 316.5 287.6 316.6 0.03 WND Sounding variables and indices 1000-500 mb thick: 5434.73 m Freezing level: 712.38 mb = 3248.16 m = 10656.56 ft Wetbulb zero: 729.70 mb = 2575.98 m = 8451.27 ft Precipitable water: 2.41 inches Sfc-500 mean rel hum: 73.26 % Est. max temperature: 32.69 C = 90.85 F Sfc-Lift cond lev (LCL): 959.58 mb = 428.81 m = 1406.83 ft T: 26.94 C 700-500 lapse rate: 9.56 C/km Conv cond level (CCL): 500.00 mb = 5540.00 m = 18175.63 ft Mean mixing ratio: 33.16 g/kg Conv temperature: 87.22 C = 189.00 F Cap Strength: -1.66 C Lifted Index: -32.29 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -44.41 C Lifted Index @700 mb: -17.92 C Showalter Index: -15.15 C Risk: Severe thunderstorms probable Total Totals Index: 75.51 C Risk: Severe Thunderstorms probable Vertical Totals Index: 39.76 C Cross Totals Index: 35.76 C K Index: 49.39 Risk: > 80 % chance of thunderstorms Sweat Index: 720.52 Risk: Severe Thunderstorms possible Energy Index: -6.38 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 161199.77 J/kg Max Up Vert Vel: 567.80 m/s Conv Inhibition (B-): 564.01 J/kg Cap Strength: 1.68 C Lift Cond Lev (LCL): 1075.23 mb = -9999.00 m = -9999.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 177 at 8 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 1013 4 105 3 -2.9 0.8 | 19 8 -2.5 -7.1 1 1000 113 125 7 -5.7 4.0 | 54 7 -5.3 -3.9 2 925 760 140 7 -4.5 5.4 | 58 5 -4.1 -2.5 3 850 1450 125 9 -7.4 5.2 | 69 7 -7.0 -2.7 4 700 2992 120 11 -9.5 5.5 | 75 9 -9.1 -2.4 5 500 5540 190 13 2.3 12.8 | 208 6 2.7 4.9 6 400 7140 170 17 -3.0 16.7 | 164 9 -2.6 8.8 7 300 9070 200 29 9.9 27.3 | 208 22 10.3 19.4 8 271 9721 235 9 7.4 5.2 | 289 8 7.8 -2.7 9 250 10240 240 15 13.0 7.5 | 272 13 13.4 -0.4 10 200 11710 285 13 12.6 -3.4 | 311 17 13.0 -11.3 11 150 13600 280 9 8.9 -1.6 | 316 13 9.3 -9.5 12 100 16230 315 9 6.4 -6.4 | 335 16 6.8 -14.3 Wind Parameters Mean winds (0-6000m): 147.1 at 10.5 knts Storm direction: 177.1 at 7.9 knts Shear (0-3000m) pos: 0.9 neg: 0.7 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 56.2 deg Storm rel helicity (0-3000m) pos: 12.1 neg: 0.0 tot: 12.1 m^2/s^2 ave: 4.0 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 1.9 stream: 1.2 10^-3/s Energy-Hel index: 10.76 Bulk Rich Number: 51483.54 Bulk Shear: 3.13 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 ------------------------------------------------------------------------------- 500 128 7 51 6| 4.7 0.0 4.7| 8.1 0.0 8.1 16.2 0.85| 5.6 4.7 1000 133 7 55 6| 2.7 0.0 2.7| 9.0 0.0 9.0 9.0 0.76| 3.6 2.7 1500 131 7 60 6| 1.8 0.7 2.5| 9.9 0.0 9.9 6.6 0.65| 3.0 2.0 2000 129 8 63 6| 1.4 0.7 2.0| 10.7 0.0 10.7 5.3 0.64| 2.5 1.6 2500 127 8 65 7| 1.1 0.7 1.8| 11.4 0.0 11.4 4.6 0.63| 2.1 1.3 3000 126 9 67 7| 0.9 0.7 1.6| 12.1 0.0 12.1 4.0 0.61| 1.9 1.2 4000 128 9 73 7| 1.2 0.5 1.7| 21.4 0.0 21.4 5.4 0.68| 2.1 1.5 5000 137 10 84 6| 1.3 0.4 1.8| 29.0 0.0 29.0 5.8 0.75| 2.3 1.7 6000 147 11 100 5| 1.3 0.4 1.7| 32.9 -2.2 30.7 5.1 0.68| 2.3 1.6 Wrote GIF file: /home/apache/climate/data/raob//EHDB/skewt/EHDB.skewt.20250423.12.gif