UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for OIZH... Searching the city database file for: OIZH ... Date:0000Z 17 APR 25 Station: OIZH WMO ident: 40856 Latitude: 29.47 Longitude: 60.88 Elevation: 1370.00 ------------------------------------------------------------------------------- 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 13 1 920 -9766 SFC 859 1370 25.8 1.8 21 24.0 12.1 240 13 312.2 313.2 291.2 328.2 5.07 3 850 1462 25.2 0.2 19 25.0 11.3 240 5 312.5 313.4 290.9 327.0 4.56 4 807 1914 22.4 -4.6 16 27.0 8.6 245 10 314.2 314.9 290.3 325.1 3.36 5 800 1990 21.8 -4.2 17 26.0 8.4 246 11 314.4 315.1 290.5 325.6 3.50 6 792 2076 21.0 -5.0 17 26.0 7.8 247 12 314.4 315.1 290.3 325.1 3.33 7 748 2566 16.8 -7.2 19 24.0 5.2 253 17 315.1 315.6 290.2 324.7 2.97 8 700 3126 12.6 -12.4 16 25.0 1.8 260 23 316.4 316.8 289.8 323.4 2.11 9 679 3380 10.8 -14.2 16 25.0 0.5 259 23 317.2 317.6 289.8 323.5 1.87 10 668 3516 12.0 -22.0 8 34.0 -0.3 258 23 320.0 320.2 289.8 323.4 0.98 11 500 5850 -8.1 -43.1 4 35.0 -14.3 245 25 323.2 323.2 289.9 323.8 0.17 12 429 7019 -17.5 -58.5 1 41.0 -21.6 255 34 325.7 325.7 290.5 325.8 0.03 13 400 7540 -20.3 -58.3 2 38.0 -23.9 260 38 328.6 328.6 291.3 328.8 0.04 14 300 9600 -37.9 -56.9 12 19.0 -38.9 260 38 332.0 332.0 292.3 332.2 0.06 15 295 9715 -38.9 -56.9 13 18.0 -39.8 260 42 332.1 332.1 292.3 332.4 0.06 16 265 10439 -43.7 -61.7 12 18.0 -44.3 257 67 335.5 335.5 293.2 335.6 0.04 17 250 10830 -42.3 -63.3 8 21.0 -43.1 255 81 343.2 343.2 295.1 343.3 0.03 18 247 10912 -41.9 -63.9 7 22.0 -42.8 256 81 345.0 345.0 295.6 345.1 0.03 19 200 12320 -51.3 -79.3 2 28.0 -51.7 265 89 351.5 351.5 297.0 351.5 0.00 20 172 13281 -57.4 -83.8 2 26.4 -57.6 260 99 357.0 357.0 298.1 357.0 0.00 21 150 14130 -62.9 -87.9 2 25.0 -63.0 255 87 361.7 361.7 299.0 361.7 0.00 22 112 15887 -73.5 -97.5 1 24.0 -73.5 255 72 373.4 373.4 301.2 373.4 0.00 23 107 16154 -74.1 -97.1 2 23.0 -74.2 255 70 377.2 377.2 301.8 377.2 0.00 24 103 16377 -73.5 -95.5 2 22.0 -73.5 255 68 382.5 382.5 302.6 382.5 0.00 25 100 16550 -74.1 -96.1 2 22.0 -74.2 255 66 384.6 384.6 303.0 384.6 0.00 TRP WND 172 13281 -57.4 -83.8 2 26.4 -57.6 260 99 357.0 357.0 298.1 357.0 0.00 Sounding variables and indices 1000-500 mb thick: 5837.00 m Freezing level: 567.70 mb = 4909.51 m = 16107.12 ft Wetbulb zero: 671.95 mb = 3467.12 m = 11374.93 ft Precipitable water: 0.28 inches Sfc-500 mean rel hum: 11.05 % Est. max temperature: 29.58 C = 85.24 F Sfc-Lift cond lev (LCL): 602.21 mb = 4351.55 m = 14276.56 ft T: 4.81 C 700-500 lapse rate: 7.60 C/km ThetaE index: 3.10 C Layer 850.0- 800.0 mb Conv cond level (CCL): 484.47 mb = 6090.76 m = 19982.56 ft Mean mixing ratio: 3.69 g/kg Conv temperature: 36.79 C = 98.23 F Cap Strength: 7.09 C Lifted Index: 5.27 C Risk: None Lifted Index @300 mb: 5.21 C Lifted Index @700 mb: 2.30 C Showalter Index: 4.65 C Risk: None Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 33.30 C Cross Totals Index: 8.30 C K Index: 8.50 Risk: None Sweat Index: 37.40 Risk: None Energy Index: -0.39 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.52 J/kg Max Up Vert Vel: 4.80 m/s Conv Inhibition (B-): 6957.53 J/kg Cap Strength: 7.09 C Lift Cond Lev (LCL): 551.39 mb = 5061.73 m = 16606.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 283 at 17 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 ---------------------------------------------------------- 0 859 1370 240 13 11.3 6.5 | 152 12 -5.5 10.4 1 850 1462 240 5 4.3 2.5 | 117 14 -12.5 6.4 2 700 3126 260 23 22.7 4.0 | 217 10 5.9 7.9 3 500 5850 245 25 22.7 10.6 | 202 16 5.9 14.5 4 400 7540 260 38 37.4 6.6 | 243 23 20.6 10.5 5 300 9600 260 38 37.4 6.6 | 243 23 20.6 10.5 6 250 10830 255 81 78.2 21.0 | 248 66 61.4 24.9 7 200 12320 265 89 88.7 7.8 | 261 73 71.9 11.7 8 172 13281 260 99 97.5 17.2 | 255 83 80.7 21.1 9 150 14130 255 87 84.0 22.5 | 249 72 67.2 26.4 10 100 16550 255 66 63.8 17.1 | 246 51 47.0 21.0 Wind Parameters Mean winds (0-6000m): 253.1 at 23.0 knts Storm direction: 283.1 at 17.2 knts Shear (0-3000m) pos: 2.0 neg: 0.4 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 57.3 deg Storm rel helicity (0-3000m) pos: 45.8 neg: -28.7 tot: 17.1 m^2/s^2 ave: 5.7 10^-3 m/s^2 rel: 0.27 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.36 Bulk Shear: 32.35 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 ------------------------------------------------------------------------------- 500 242 8 126 13| 3.8 0.0 3.8| 11.9 -24.7 -12.8 -25.5 -0.34| 12.8 -4.3 1000 247 10 135 11| 1.7 0.0 1.7| 25.5 -24.7 0.9 0.9 0.05| 9.3 0.5 1500 253 12 147 9| 3.0 0.0 3.0| 38.8 -24.7 14.1 9.4 0.28| 8.1 2.2 2000 257 15 162 8| 3.0 0.0 3.0| 45.8 -25.3 20.5 10.3 0.34| 7.0 2.4 2500 257 16 174 8| 2.4 0.2 2.6| 45.8 -26.9 18.9 7.6 0.30| 5.8 1.8 3000 256 18 183 8| 2.0 0.4 2.4| 45.8 -28.7 17.1 5.7 0.27| 5.1 1.4 4000 254 19 192 9| 1.5 0.6 2.1| 45.8 -32.9 12.9 3.2 0.21| 4.1 0.9 5000 252 21 197 11| 1.6 0.6 2.3| 63.6 -34.8 28.7 5.7 0.28| 3.9 1.1 6000 253 23 206 12| 2.2 0.5 2.7|104.7 -34.8 69.8 11.6 0.39| 4.0 1.6 Wrote GIF file: /home/apache/climate/data/raob//OIZH/skewt/OIZH.skewt.20250417.00.gif