UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050400.upa.cvt Date: 0000Z 4 MAY 25 Searching for EP374... Searching the city database file for: EP374 ... Date:0000Z 4 MAY 25 Station: EP374 WMO ident: 12374 Latitude: 52.40 Longitude: 20.97 ------------------------------------------------------------------------------- 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 13 SFC 990 98 14.8 13.7 93 1.1 14.1 270 1 288.8 290.5 287.7 316.8 10.00 2 925 670 11.4 10.9 97 0.5 11.1 225 9 291.0 292.5 287.5 316.1 8.88 3 850 1372 7.0 6.1 94 0.9 6.5 240 13 293.5 294.7 286.6 313.5 6.96 4 821 1657 5.0 4.6 97 0.4 4.8 244 16 294.3 295.5 286.4 313.1 6.49 5 700 2945 -1.7 -1.7 100 0.0 -1.7 260 27 300.6 301.5 287.1 315.1 4.83 6 632 3754 -5.9 -6.3 97 0.4 -6.1 254 30 304.7 305.4 287.5 316.4 3.78 7 631 3766 -5.5 -6.0 96 0.5 -5.7 254 30 305.3 306.0 287.8 317.3 3.87 8 628 3804 -6.3 -6.3 100 0.0 -6.3 254 31 304.8 305.5 287.6 316.5 3.80 9 555 4759 -13.5 -13.5 100 0.0 -13.5 246 35 307.3 307.7 287.1 315.0 2.43 10 550 4828 -12.7 -14.5 86 1.8 -13.3 246 35 309.0 309.4 287.5 316.3 2.26 11 500 5550 -17.7 -21.2 74 3.5 -18.6 240 38 311.5 311.7 287.5 316.1 1.41 12 482 5823 -19.3 -23.3 71 4.0 -20.3 240 38 312.8 313.0 287.7 316.8 1.21 13 481 5839 -18.1 -22.7 67 4.6 -19.3 240 38 314.4 314.7 288.3 318.8 1.28 14 480 5854 -19.5 -23.5 71 4.0 -20.4 240 38 312.9 313.1 287.7 316.9 1.20 15 456 6233 -22.9 -35.9 29 13.0 -24.8 240 37 313.3 313.3 286.9 314.7 0.39 16 440 6493 -24.3 -41.3 19 17.0 -26.3 240 37 314.7 314.8 287.3 315.6 0.23 17 400 7180 -29.9 -38.9 41 9.0 -30.9 240 36 316.1 316.2 287.9 317.3 0.33 18 387 7415 -31.3 -39.3 45 8.0 -32.1 241 36 317.3 317.4 288.2 318.5 0.33 19 338 8356 -39.7 -44.7 59 5.0 -40.1 246 36 318.4 318.4 288.5 319.1 0.21 20 335 8417 -39.9 -47.9 42 8.0 -40.4 246 36 318.9 318.9 288.6 319.5 0.15 21 300 9160 -46.3 -51.3 57 5.0 -46.5 250 36 320.1 320.1 288.9 320.5 0.11 22 263 10017 -53.7 -57.8 61 4.1 -53.8 257 40 321.5 321.5 289.3 321.8 0.06 23 253 10264 -55.3 -61.3 47 6.0 -55.4 259 42 322.7 322.8 289.6 322.9 0.04 24 250 10340 -55.9 -60.1 59 4.2 -56.0 260 42 323.0 323.0 289.7 323.1 0.05 25 240 10599 -58.1 -60.3 76 2.2 -58.2 260 45 323.4 323.5 289.9 323.6 0.05 26 233 10785 -59.3 -64.1 54 4.8 -59.4 260 47 324.4 324.4 290.1 324.5 0.03 27 224 11032 -61.3 -65.6 57 4.3 -61.3 260 50 325.0 325.0 290.3 325.1 0.03 28 216 11257 -62.3 -66.6 56 4.3 -62.3 260 52 326.8 326.8 290.8 326.9 0.02 29 200 11740 -56.5 -73.5 10 17.0 -56.7 245 35 343.3 343.3 295.1 343.3 0.01 30 194 11932 -56.1 -73.1 10 17.0 -56.3 246 35 346.9 346.9 296.0 347.0 0.01 31 150 13570 -52.3 -74.3 5 22.0 -52.8 255 33 380.0 380.0 302.2 380.0 0.01 32 131 14439 -56.1 -76.1 6 20.0 -56.5 388.2 388.2 303.5 388.2 0.01 TRP 216 11257 -62.3 -66.6 56 4.3 -62.3 260 52 326.8 326.8 290.8 326.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 5537.00 m Freezing level: 730.70 mb = 2618.18 m = 8589.73 ft Wetbulb zero: 731.53 mb = 2589.09 m = 8494.30 ft Precipitable water: 1.12 inches Sfc-500 mean rel hum: 95.28 % Est. max temperature: 19.76 C = 67.58 F Sfc-Lift cond lev (LCL): 974.05 mb = 234.92 m = 770.74 ft T: 13.99 C 700-500 lapse rate: 6.14 C/km ThetaE index: 3.70 C Layer 925.0- 700.0 mb Conv cond level (CCL): 920.31 mb = 712.18 m = 2336.52 ft Mean mixing ratio: 9.07 g/kg Conv temperature: 17.13 C = 62.84 F Cap Strength: 0.75 C Lifted Index: 0.91 C Risk: Showers probable Lifted Index @300 mb: 3.19 C Lifted Index @700 mb: -0.43 C Showalter Index: 2.44 C Risk: Showers probable Total Totals Index: 48.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 23.80 C K Index: 30.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 137.20 Risk: None Energy Index: 0.49 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 72.13 J/kg Max Up Vert Vel: 12.01 m/s Conv Inhibition (B-): 1.55 J/kg Cap Strength: 0.81 C Lift Cond Lev (LCL): 929.20 mb = 631.85 m = 2072.96 ft Lev Free Conv (LFC): 894.20 mb = 951.14 m = 3120.49 ft Equ Level (EL): 654.20 mb = 3480.46 m = 11418.69 ft B at Equ Level: 64.11 J/kg Max Parcel Lev (MPL): 434.20 mb = 6589.05 m = 21617.37 ft Wind level data Storm motion: 277 at 19 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 98 270 1 1.0 -0.0 | 98 18 -17.5 2.3 1 925 670 225 9 6.4 6.4 | 126 15 -12.1 8.7 2 850 1372 240 13 11.3 6.5 | 141 11 -7.2 8.8 3 700 2945 260 27 26.6 4.7 | 229 11 8.1 7.0 4 500 5550 240 38 32.9 19.0 | 214 26 14.4 21.3 5 400 7180 240 36 31.2 18.0 | 212 24 12.7 20.3 6 300 9160 250 36 33.8 12.3 | 226 21 15.3 14.6 7 250 10340 260 42 41.4 7.3 | 247 25 22.9 9.6 8 216 11257 260 52 51.2 9.0 | 251 35 32.7 11.4 9 200 11740 245 35 31.7 14.8 | 218 22 13.2 17.1 10 150 13570 255 33 31.9 8.5 | 231 17 13.4 10.9 Wind Parameters Mean winds (0-6000m): 247.2 at 24.9 knts Storm direction: 277.2 at 18.6 knts Shear (0-3000m) pos: 3.6 neg: 1.2 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 130.8 deg Storm rel helicity (0-3000m) pos: 79.2 neg: -0.3 tot: 78.9 m^2/s^2 ave: 26.3 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 4.4 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 1.28 Bulk Shear: 56.31 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 ------------------------------------------------------------------------------- 500 230 4 109 16| 0.0 7.5 7.5| 23.7 0.0 23.7 47.4 0.78| 8.0 6.2 1000 230 7 118 15| 1.8 3.7 5.5| 36.1 0.0 36.1 36.1 0.79| 6.1 4.8 1500 235 9 125 13| 2.5 2.5 5.0| 46.0 0.0 46.0 30.6 0.79| 5.5 4.3 2000 239 11 132 12| 3.1 1.9 5.0| 58.0 0.0 58.0 29.0 0.83| 5.4 4.4 2500 245 13 141 10| 3.5 1.5 5.0| 70.2 0.0 70.2 28.1 0.86| 5.3 4.6 3000 249 15 152 9| 3.6 1.2 4.8| 79.2 -0.3 78.9 26.3 0.85| 5.2 4.4 4000 251 19 176 8| 2.7 1.7 4.4| 79.2 -5.7 73.5 18.4 0.67| 4.6 3.1 5000 250 22 193 10| 2.2 1.9 4.1| 79.2 -16.9 62.4 12.5 0.52| 4.4 2.3 6000 247 25 200 13| 1.8 1.8 3.6| 79.2 -26.4 52.8 8.8 0.45| 3.9 1.8 Wrote GIF file: /home/apache/climate/data/raob//EP374/skewt/EP374.skewt.20250504.00.gif