UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112712.upa.cvt Date: 1200Z 27 NOV 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 27 NOV 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 129 SFC 986 245 7.6 6.7 94 0.9 7.1 180 3 281.9 283.0 280.9 299.1 6.25 2 925 770 5.4 4.2 92 1.2 4.8 165 17 284.8 285.8 281.5 300.5 5.59 3 850 1459 2.6 1.0 89 1.6 1.8 190 44 288.9 289.7 282.5 302.7 4.84 4 820 1748 1.6 -0.2 88 1.8 0.8 198 42 290.8 291.6 283.0 304.1 4.60 5 759 2362 -4.9 -8.8 74 3.9 -6.3 216 38 290.3 290.7 280.4 297.9 2.59 6 742 2540 -5.9 -11.9 63 6.0 -7.9 221 36 291.1 291.4 280.1 297.3 2.07 7 700 2994 -7.7 -12.3 70 4.6 -9.2 235 33 294.0 294.3 281.5 300.4 2.12 8 666 3381 -8.9 -13.2 71 4.3 -10.3 233 34 296.8 297.2 282.7 303.2 2.07 9 500 5540 -24.1 -27.2 75 3.1 -24.6 220 40 303.7 303.8 284.0 306.4 0.82 10 468 6016 -28.5 -31.0 79 2.5 -28.9 223 45 304.0 304.1 283.8 306.0 0.62 11 422 6748 -33.1 -38.0 61 4.9 -33.6 228 52 307.2 307.3 284.7 308.4 0.34 12 400 7120 -37.1 -43.1 54 6.0 -37.5 230 56 306.8 306.8 284.4 307.5 0.21 13 392 7260 -38.9 -44.9 53 6.0 -39.3 225 57 306.2 306.2 284.1 306.8 0.18 14 369 7675 -41.3 -47.3 52 6.0 -41.6 209 60 308.3 308.4 284.9 308.9 0.15 15 359 7861 -45.3 -51.3 51 6.0 -45.5 202 62 305.4 305.4 283.7 305.8 0.09 16 348 8069 -46.9 -53.9 45 7.0 -47.1 194 63 306.0 306.0 283.9 306.2 0.07 17 342 8185 -47.8 -54.8 44 7.0 -48.0 190 64 306.3 306.3 284.0 306.6 0.07 18 310 8829 -52.7 -59.7 42 7.0 -52.8 197 63 308.2 308.2 284.7 308.3 0.04 19 300 9040 -56.7 -63.7 41 7.0 -56.8 200 62 305.4 305.4 283.6 305.5 0.02 20 298 9082 -56.9 -63.9 41 7.0 -57.0 201 62 305.7 305.7 283.7 305.8 0.02 21 271 9677 -60.9 -66.9 45 6.0 -61.0 220 58 308.3 308.3 284.7 308.4 0.02 22 263 9864 -58.5 -64.5 46 6.0 -58.6 224 56 314.5 314.5 286.9 314.6 0.02 23 250 10180 -60.7 -66.7 45 6.0 -60.7 230 52 315.8 315.8 287.4 315.9 0.02 24 213 11170 -61.3 -67.3 45 6.0 -61.4 230 48 329.7 329.7 291.6 329.8 0.02 25 200 11560 -60.1 -67.1 39 7.0 -60.2 230 46 337.6 337.6 293.7 337.7 0.02 26 176 12358 -59.9 -66.9 40 7.0 -60.0 350.5 350.5 296.8 350.6 0.03 27 169 12614 -56.5 -63.5 41 7.0 -56.6 360.2 360.2 298.8 360.4 0.04 TRP 271 9677 -60.9 -66.9 45 6.0 -61.0 220 58 308.3 308.3 284.7 308.4 0.02 WND 342 8185 -47.8 -54.8 44 7.0 -48.0 190 64 306.3 306.3 284.0 306.6 0.07 Sounding variables and indices 1000-500 mb thick: 5411.00 m Freezing level: 804.98 mb = 1899.51 m = 6231.91 ft Wetbulb zero: 813.28 mb = 1813.76 m = 5950.59 ft Precipitable water: 0.64 inches Sfc-500 mean rel hum: 77.93 % Est. max temperature: 15.44 C = 59.80 F Sfc-Lift cond lev (LCL): 972.61 mb = 357.64 m = 1173.35 ft T: 7.13 C 700-500 lapse rate: 6.44 C/km ThetaE index: 6.83 C Layer 759.0- 700.0 mb Conv cond level (CCL): 881.05 mb = 1166.61 m = 3827.42 ft Mean mixing ratio: 5.71 g/kg Conv temperature: 12.85 C = 55.13 F Cap Strength: 3.09 C Lifted Index: 4.65 C Risk: None Lifted Index @300 mb: 3.75 C Lifted Index @700 mb: 1.54 C Showalter Index: 2.98 C Risk: Showers probable Total Totals Index: 51.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.70 C Cross Totals Index: 25.10 C K Index: 23.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 283.50 Risk: None Energy Index: 0.70 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.52 J/kg Max Up Vert Vel: 6.09 m/s Conv Inhibition (B-): 3477.52 J/kg Cap Strength: 4.54 C Lift Cond Lev (LCL): 918.46 mb = 827.86 m = 2716.05 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 246 at 26 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 ---------------------------------------------------------- 0 986 245 180 3 0.0 3.0 | 72 25 -24.0 -7.6 1 925 770 165 17 -4.4 16.4 | 102 29 -28.4 5.8 2 850 1459 190 44 7.6 43.3 | 153 37 -16.4 32.7 3 700 2994 235 33 27.0 18.9 | 200 9 3.0 8.3 4 500 5540 220 40 25.7 30.6 | 185 20 1.7 20.0 5 400 7120 230 56 42.9 36.0 | 217 32 18.9 25.4 6 342 8185 190 64 11.1 63.0 | 166 54 -12.9 52.4 7 300 9040 200 62 21.2 58.3 | 177 48 -2.8 47.6 8 271 9677 220 58 37.3 44.4 | 201 36 13.3 33.8 9 250 10180 230 52 39.8 33.4 | 215 28 15.8 22.8 10 200 11560 230 46 35.2 29.6 | 211 22 11.2 18.9 Wind Parameters Mean winds (0-6000m): 216.1 at 35.0 knts Storm direction: 246.1 at 26.3 knts Shear (0-3000m) pos: 5.4 neg: 2.3 tot: 7.7 10-3/s Storm rel Dir Shear (0-3000m): 125.8 deg Storm rel helicity (0-3000m) pos: 440.2 neg: -0.6 tot: 439.6 m^2/s^2 ave: 146.5 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 13.2 stream: 10.0 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.16 Bulk Shear: 115.47 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 ------------------------------------------------------------------------------- 500 167 10 87 26| 0.0 13.8 13.8| 85.9 0.0 85.9 171.8 0.93| 14.0 13.0 1000 174 18 105 27| 10.5 6.9 17.5|252.0 0.0 252.0 252.0 0.95| 17.7 16.9 1500 184 26 124 27| 10.1 4.6 14.7|373.4 0.0 373.4 248.9 0.91| 17.4 15.8 2000 191 29 135 26| 7.7 3.5 11.1|412.3 0.0 412.3 206.2 0.84| 15.8 13.3 2500 197 31 142 24| 6.3 2.8 9.1|433.8 0.0 433.8 173.5 0.79| 14.7 11.6 3000 203 31 147 22| 5.4 2.3 7.7|440.2 -0.6 439.6 146.5 0.76| 13.2 10.0 4000 211 32 156 19| 4.0 2.3 6.3|440.2 -4.8 435.4 108.8 0.70| 10.5 7.3 5000 214 33 163 18| 3.2 2.3 5.6|440.2 -11.7 428.6 85.7 0.64| 8.9 5.7 6000 216 35 169 18| 3.2 2.1 5.3|477.7 -14.0 463.6 77.3 0.64| 8.2 5.3 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251127.12.gif