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 U6781... Searching the city database file for: U6781 ... Date:1200Z 23 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 130 SFC 987 244 23.0 7.0 36 16.0 13.7 250 5 297.3 298.4 287.4 316.0 6.37 2 925 803 17.0 3.0 39 14.0 9.5 260 7 296.7 297.6 286.0 311.8 5.13 3 886 1167 12.6 1.6 47 11.0 6.9 255 10 295.8 296.7 285.4 310.1 4.85 4 850 1514 9.8 -0.2 50 10.0 4.9 250 13 296.4 297.2 285.1 309.5 4.43 5 700 3088 -3.3 -9.3 63 6.0 -5.6 245 17 298.8 299.3 284.2 307.1 2.70 6 625 3972 -10.3 -15.1 68 4.8 -11.8 247 21 300.7 301.0 284.0 306.6 1.89 7 612 4134 -11.3 -16.2 67 4.9 -12.8 247 22 301.3 301.7 284.1 306.9 1.76 8 591 4401 -12.1 -24.1 36 12.0 -14.9 248 23 303.4 303.6 284.0 306.4 0.92 9 529 5240 -17.5 -38.5 14 21.0 -20.5 249 27 306.7 306.8 284.4 307.6 0.26 10 520 5368 -17.9 -38.9 14 21.0 -20.9 249 28 307.7 307.8 284.8 308.6 0.25 11 500 5660 -20.5 -36.5 23 16.0 -22.8 250 29 308.0 308.1 285.0 309.2 0.34 12 400 7260 -34.1 -53.1 13 19.0 -35.2 235 35 310.7 310.7 285.7 310.9 0.07 13 300 9210 -49.7 -65.7 14 16.0 -50.0 230 35 315.3 315.3 287.2 315.4 0.02 14 298 9254 -50.5 -66.5 13 16.0 -50.8 230 35 314.8 314.8 287.0 314.8 0.02 15 262 10084 -55.5 -70.5 14 15.0 -55.7 230 37 319.2 319.2 288.5 319.3 0.01 16 250 10380 -60.1 -75.1 12 15.0 -60.2 230 38 316.7 316.7 287.6 316.7 0.01 17 246 10481 -61.1 -75.1 14 14.0 -61.2 230 38 316.7 316.7 287.6 316.7 0.01 18 225 11035 -63.5 -77.5 13 14.0 -63.6 230 35 321.2 321.2 289.1 321.2 0.00 19 216 11287 -63.3 -77.3 13 14.0 -63.4 230 31 325.3 325.3 290.3 325.3 0.00 20 200 11770 -56.7 -69.7 18 13.0 -56.9 230 23 343.0 343.0 295.0 343.0 0.02 21 165 12997 -52.1 -67.1 15 15.0 -52.5 243 20 370.1 370.1 300.6 370.2 0.03 22 150 13610 -53.3 -70.3 11 17.0 -53.7 250 19 378.2 378.2 302.0 378.3 0.02 23 101 16146 -54.7 -75.7 6 21.0 -55.2 240 15 420.8 420.8 307.8 420.9 0.01 24 100 16210 -54.7 -76.7 5 22.0 -55.2 240 15 422.0 422.0 308.0 422.1 0.01 25 75 18050 -54.3 -77.3 4 23.0 -55.1 272 12 459.1 459.1 311.7 459.1 0.01 26 70 18490 -55.7 -77.7 5 22.0 -56.3 280 11 465.2 465.2 312.3 465.3 0.01 27 55 20017 -58.7 -79.7 5 21.0 -59.3 294 10 491.6 491.6 314.4 491.6 0.01 28 50 20620 -56.1 -78.1 5 22.0 -57.0 300 9 511.3 511.3 315.7 511.4 0.02 29 43 21580 -54.5 -77.5 4 23.0 -55.7 306 10 537.7 537.8 317.4 537.9 0.02 30 41 21882 -57.1 -79.1 5 22.0 -58.0 308 11 538.6 538.6 317.5 538.8 0.02 31 30 23860 -56.1 -78.1 5 22.0 -57.5 320 13 591.7 591.7 320.2 591.9 0.03 32 20 26435 -56.5 -78.5 5 22.0 -58.3 663.2 663.2 323.2 663.6 0.04 TRP 225 11035 -63.5 -77.5 13 14.0 -63.6 230 35 321.2 321.2 289.1 321.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5530.00 m Freezing level: 737.79 mb = 2691.50 m = 8830.26 ft Wetbulb zero: 780.16 mb = 2209.02 m = 7247.35 ft Precipitable water: 0.62 inches Sfc-500 mean rel hum: 46.52 % Est. max temperature: 22.37 C = 72.26 F Sfc-Lift cond lev (LCL): 778.77 mb = 2223.49 m = 7294.82 ft T: 3.90 C 700-500 lapse rate: 6.69 C/km ThetaE index: 9.39 C Layer 925.0- 612.0 mb Conv cond level (CCL): 743.65 mb = 2597.59 m = 8522.16 ft Mean mixing ratio: 5.45 g/kg Conv temperature: 23.88 C = 74.99 F Cap Strength: 1.11 C Lifted Index: 0.11 C Risk: Showers probable Lifted Index @300 mb: 2.08 C Lifted Index @700 mb: -0.51 C Showalter Index: 2.10 C Risk: Showers probable Total Totals Index: 50.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.30 C Cross Totals Index: 20.30 C K Index: 24.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 87.00 Risk: None Energy Index: -0.06 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 98.05 J/kg Max Up Vert Vel: 14.00 m/s Conv Inhibition (B-): 27.67 J/kg Cap Strength: 1.11 C Lift Cond Lev (LCL): 759.12 mb = 2430.74 m = 7974.76 ft Lev Free Conv (LFC): 714.12 mb = 2926.14 m = 9600.08 ft Equ Level (EL): 524.12 mb = 5309.25 m = 17418.58 ft B at Equ Level: 89.60 J/kg Max Parcel Lev (MPL): 294.12 mb = 9338.33 m = 30637.20 ft Wind level data Storm motion: 278 at 14 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 ---------------------------------------------------------- 0 987 244 250 5 4.7 1.7 | 112 10 -9.2 3.7 1 925 803 260 7 6.9 1.2 | 115 8 -7.0 3.2 2 850 1514 250 13 12.2 4.4 | 165 7 -1.7 6.5 3 700 3088 245 17 15.4 7.2 | 189 9 1.5 9.2 4 500 5660 250 29 27.3 9.9 | 228 18 13.3 12.0 5 400 7260 235 35 28.7 20.1 | 214 27 14.8 22.1 6 300 9210 230 35 26.8 22.5 | 208 28 12.9 24.5 7 250 10380 230 38 29.1 24.4 | 210 31 15.2 26.5 8 225 11035 230 35 26.8 22.5 | 208 28 12.9 24.5 9 200 11770 230 23 17.6 14.8 | 192 17 3.7 16.8 10 150 13610 250 19 17.9 6.5 | 205 9 3.9 8.5 11 100 16210 240 15 13.0 7.5 | 174 10 -0.9 9.5 12 70 18490 280 11 10.8 -1.9 | 92 3 -3.1 0.1 13 50 20620 300 9 7.8 -4.5 | 68 7 -6.1 -2.5 14 30 23860 320 13 8.4 -10.0 | 35 10 -5.6 -7.9 Wind Parameters Mean winds (0-6000m): 248.3 at 18.7 knts Storm direction: 278.3 at 14.1 knts Shear (0-3000m) pos: 0.3 neg: 1.9 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 81.0 deg Storm rel helicity (0-3000m) pos: 19.2 neg: 0.0 tot: 19.2 m^2/s^2 ave: 6.4 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 2.3 stream: 1.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 4.44 Bulk Shear: 22.07 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 ------------------------------------------------------------------------------- 500 255 6 113 9| 2.1 0.0 2.1| 1.0 0.0 1.0 2.0 0.21| 2.1 0.4 1000 256 7 119 8| 1.0 2.1 3.1| 7.1 0.0 7.1 7.1 0.64| 3.1 2.0 1500 253 9 131 7| 0.7 2.4 3.1| 12.1 0.0 12.1 8.0 0.74| 3.1 2.3 2000 252 10 142 7| 0.5 2.1 2.7| 14.2 0.0 14.2 7.1 0.76| 2.7 2.0 2500 250 11 152 7| 0.4 2.0 2.4| 16.3 0.0 16.3 6.5 0.75| 2.4 1.8 3000 249 12 160 7| 0.3 1.9 2.3| 19.2 0.0 19.2 6.4 0.75| 2.3 1.7 4000 248 14 175 7| 0.8 1.4 2.3| 29.9 0.0 29.9 7.5 0.76| 2.3 1.8 5000 248 16 190 8| 1.2 1.2 2.3| 41.4 0.0 41.4 8.3 0.73| 2.4 1.7 6000 248 19 201 10| 1.2 1.2 2.3| 46.4 -9.3 37.0 6.2 0.56| 2.4 1.4 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250423.12.gif