UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041512.upa.cvt Date: 1200Z 15 APR 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 15 APR 25 Station: U6781 WMO ident: 26781 Latitude: 54.75 Longitude: 32.07 ------------------------------------------------------------------------------- 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 195 225 7 SFC 994 246 18.0 4.0 39 14.0 10.6 225 7 291.7 292.6 284.0 306.5 5.13 2 958 559 13.4 -0.6 38 14.0 6.7 215 10 290.1 290.8 281.8 301.2 3.82 3 925 852 10.8 -1.2 43 12.0 5.2 205 13 290.4 291.0 281.9 301.4 3.78 4 850 1549 4.0 -4.0 56 8.0 0.6 235 13 290.3 290.9 281.4 300.1 3.34 5 836 1684 2.8 -4.2 60 7.0 -0.2 235 13 290.5 291.0 281.4 300.2 3.35 6 700 3101 -4.9 -9.9 68 5.0 -6.7 235 11 297.1 297.5 283.4 304.9 2.57 7 694 3169 -5.1 -10.1 68 5.0 -6.9 236 12 297.6 298.0 283.5 305.4 2.55 8 651 3668 -7.5 -14.5 57 7.0 -9.8 244 15 300.3 300.7 283.9 306.3 1.91 9 599 4309 -12.7 -20.7 51 8.0 -14.7 254 20 301.6 301.8 283.6 305.5 1.23 10 580 4554 -12.5 -23.5 39 11.0 -15.2 257 22 304.6 304.8 284.5 307.8 0.99 11 500 5670 -20.1 -42.1 12 22.0 -22.8 275 31 308.5 308.6 285.0 309.2 0.19 12 488 5850 -21.1 -46.1 9 25.0 -23.8 274 31 309.5 309.5 285.3 309.9 0.13 13 482 5941 -22.1 -48.1 8 26.0 -24.6 274 31 309.3 309.3 285.2 309.7 0.10 14 400 7280 -33.7 -55.7 9 22.0 -34.8 270 31 311.2 311.2 285.8 311.4 0.05 15 335 8492 -44.7 -62.7 12 18.0 -45.2 282 33 312.3 312.3 286.2 312.4 0.02 16 300 9220 -49.7 -65.7 14 16.0 -50.0 290 35 315.3 315.3 287.2 315.4 0.02 17 260 10150 -56.5 -71.5 13 15.0 -56.6 256 32 318.5 318.5 288.2 318.5 0.01 18 253 10324 -57.5 -72.5 13 15.0 -57.6 250 31 319.5 319.5 288.6 319.5 0.01 19 250 10400 -57.3 -72.3 13 15.0 -57.5 255 33 320.9 320.9 289.0 320.9 0.01 20 200 11820 -53.9 -69.9 12 16.0 -54.2 275 27 347.4 347.4 296.1 347.5 0.02 21 181 12458 -52.9 -68.9 13 16.0 -53.2 270 26 359.1 359.1 298.5 359.2 0.02 22 150 13660 -53.7 -71.7 9 18.0 -54.1 260 23 377.5 377.6 301.9 377.6 0.02 23 100 16260 -55.1 -75.1 7 20.0 -55.6 255 15 421.3 421.3 307.9 421.3 0.01 24 81 17598 -57.3 -78.3 5 21.0 -57.8 246 13 442.9 442.9 310.2 443.0 0.01 25 72 18349 -53.5 -74.5 6 21.0 -54.3 241 11 466.2 466.2 312.3 466.3 0.02 26 70 18530 -54.5 -77.5 4 23.0 -55.3 240 11 467.8 467.8 312.4 467.9 0.01 27 61 19411 -56.3 -78.3 5 22.0 -57.0 211 12 482.6 482.6 313.7 482.6 0.01 28 50 20680 -55.7 -77.7 5 22.0 -56.6 170 13 512.2 512.2 315.8 512.3 0.02 29 30 23950 -53.9 -76.9 4 23.0 -55.6 55 9 597.7 597.7 320.5 598.0 0.04 30 22 25939 -54.5 -77.5 4 23.0 -56.6 651.4 651.4 322.7 651.7 0.05 TRP 253 10324 -57.5 -72.5 13 15.0 -57.6 250 31 319.5 319.5 288.6 319.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5475.00 m Freezing level: 786.55 mb = 2199.12 m = 7214.86 ft Wetbulb zero: 838.87 mb = 1655.97 m = 5432.91 ft Precipitable water: 0.51 inches Sfc-500 mean rel hum: 49.11 % Est. max temperature: 16.74 C = 62.13 F Sfc-Lift cond lev (LCL): 805.85 mb = 1976.97 m = 6486.04 ft T: 1.21 C 700-500 lapse rate: 5.92 C/km ThetaE index: 5.29 C Layer 958.0- 925.0 mb Conv cond level (CCL): 715.94 mb = 2921.30 m = 9584.20 ft Mean mixing ratio: 4.00 g/kg Conv temperature: 22.56 C = 72.62 F Cap Strength: 6.17 C Lifted Index: 7.42 C Risk: None Lifted Index @300 mb: 9.46 C Lifted Index @700 mb: 3.34 C Showalter Index: 8.77 C Risk: None Total Totals Index: 40.20 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 16.10 C K Index: 15.10 Risk: < 20 % chance of thunderstorms Sweat Index: 57.00 Risk: None Energy Index: 1.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.57 J/kg Max Up Vert Vel: 3.63 m/s Conv Inhibition (B-): 42435.58 J/kg Cap Strength: 7.25 C Lift Cond Lev (LCL): 777.52 mb = 2262.59 m = 7423.12 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 285 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 ---------------------------------------------------------- 0 994 246 225 7 4.9 4.9 | 137 12 -7.9 8.4 1 925 852 205 13 5.5 11.8 | 154 17 -7.4 15.2 2 850 1549 235 13 10.6 7.5 | 169 11 -2.2 10.9 3 700 3101 235 11 9.0 6.3 | 159 11 -3.8 9.8 4 500 5670 275 31 30.9 -2.7 | 268 18 18.0 0.8 5 400 7280 270 31 31.0 -0.0 | 259 18 18.1 3.5 6 300 9220 290 35 32.9 -12.0 | 293 22 20.0 -8.5 7 253 10324 250 31 29.1 10.6 | 229 22 16.3 14.1 8 250 10400 255 33 31.9 8.5 | 238 22 19.0 12.0 9 200 11820 275 27 26.9 -2.4 | 265 14 14.0 1.1 10 150 13660 260 23 22.7 4.0 | 233 12 9.8 7.5 11 100 16260 255 15 14.5 3.9 | 193 8 1.6 7.3 12 70 18530 240 11 9.5 5.5 | 160 10 -3.3 9.0 13 50 20680 170 13 -2.3 12.8 | 137 22 -15.1 16.3 14 30 23950 55 9 -7.4 -5.2 | 85 20 -20.2 -1.7 Wind Parameters Mean winds (0-6000m): 255.1 at 17.8 knts Storm direction: 285.1 at 13.3 knts Shear (0-3000m) pos: 1.1 neg: 0.8 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 28.4 deg Storm rel helicity (0-3000m) pos: 30.8 neg: -5.2 tot: 25.6 m^2/s^2 ave: 8.5 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 2.9 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.32 Bulk Shear: 20.28 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 ------------------------------------------------------------------------------- 500 214 9 146 14| 0.0 5.8 5.8| 12.6 0.0 12.6 25.2 0.64| 5.8 3.8 1000 213 11 152 15| 1.6 2.9 4.5| 23.2 0.0 23.2 23.2 0.58| 5.5 3.2 1500 219 12 157 14| 2.0 1.9 3.9| 27.6 -0.7 27.0 18.0 0.53| 4.8 2.5 2000 224 12 159 13| 1.5 1.3 2.8| 27.6 -2.4 25.2 12.6 0.46| 3.7 1.7 2500 226 12 160 13| 1.2 1.0 2.2| 27.6 -4.1 23.5 9.4 0.40| 3.1 1.3 3000 228 12 160 12| 1.1 0.8 1.9| 30.8 -5.2 25.6 8.5 0.41| 2.9 1.2 4000 234 13 167 11| 1.9 0.6 2.5| 55.3 -5.2 50.2 12.5 0.61| 3.3 2.0 5000 245 15 185 10| 2.5 0.5 3.0| 87.0 -5.2 81.8 16.4 0.70| 3.7 2.6 6000 255 18 208 9| 2.5 0.5 3.0|103.8 -9.2 94.6 15.8 0.68| 3.5 2.4 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250415.12.gif