UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 9 DEC 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 188 180 9 SFC 993 244 0.2 -2.1 84 2.3 -0.7 180 9 273.9 274.4 272.8 282.9 3.29 2 933 741 -3.9 -5.5 89 1.6 -4.5 211 20 274.6 275.1 272.4 282.1 2.71 3 925 809 -3.3 -4.8 89 1.5 -3.8 215 21 275.9 276.4 273.4 283.9 2.89 4 906 974 -0.5 -1.8 91 1.3 -1.0 222 20 280.5 281.1 277.0 290.8 3.69 5 850 1481 -3.7 -5.5 87 1.8 -4.4 245 17 282.3 282.8 277.0 290.7 2.98 6 829 1678 -4.9 -6.8 87 1.9 -5.6 244 18 283.0 283.5 277.1 290.9 2.77 7 823 1735 -3.9 -5.5 89 1.6 -4.5 243 19 284.7 285.2 278.4 293.5 3.08 8 816 1802 -3.5 -5.7 85 2.2 -4.3 243 19 285.8 286.3 278.9 294.6 3.06 9 700 3000 -8.3 -16.3 52 8.0 -10.6 235 27 293.3 293.6 280.4 298.0 1.53 10 647 3608 -11.1 -23.1 36 12.0 -13.9 246 29 296.8 297.0 281.2 299.7 0.92 11 640 3691 -11.9 -23.9 36 12.0 -14.6 247 29 296.8 297.0 281.1 299.6 0.87 12 554 4778 -20.5 -24.8 68 4.3 -21.3 266 33 299.1 299.3 282.2 302.1 0.92 13 500 5530 -25.1 -35.1 39 10.0 -26.4 280 35 302.4 302.5 282.9 303.8 0.39 14 476 5886 -28.3 -41.3 28 13.0 -29.5 280 36 302.8 302.8 282.8 303.5 0.22 15 454 6225 -31.3 -45.3 24 14.0 -32.4 280 37 303.1 303.2 282.8 303.7 0.15 16 405 7024 -38.3 -50.3 27 12.0 -38.9 280 40 304.1 304.1 283.2 304.5 0.09 17 400 7110 -38.9 -49.9 30 11.0 -39.5 280 40 304.4 304.5 283.3 304.8 0.10 18 370 7642 -41.1 -49.1 42 8.0 -41.5 281 42 308.4 308.4 284.9 308.8 0.12 19 332 8368 -47.1 -53.1 50 6.0 -47.3 283 45 309.9 309.9 285.4 310.2 0.08 20 300 9030 -53.1 -59.1 48 6.0 -53.2 285 48 310.5 310.5 285.5 310.7 0.04 21 283 9403 -56.7 -62.7 47 6.0 -56.8 282 45 310.6 310.6 285.5 310.7 0.03 22 250 10180 -61.5 -67.5 45 6.0 -61.6 275 40 314.6 314.6 287.0 314.7 0.02 23 209 11295 -58.3 -64.3 46 6.0 -58.4 275 38 336.2 336.2 293.4 336.3 0.03 24 200 11570 -59.5 -65.5 46 6.0 -59.6 275 38 338.5 338.5 294.0 338.7 0.03 25 174 12433 -62.3 -68.3 44 6.0 -62.4 280 35 347.7 347.7 296.1 347.8 0.02 26 162 12875 -60.3 -66.3 45 6.0 -60.4 282 33 358.2 358.2 298.4 358.4 0.03 27 150 13350 -63.1 -69.1 44 6.0 -63.2 285 31 361.4 361.4 299.0 361.5 0.02 28 133 14089 -64.7 -70.7 43 6.0 -64.8 289 32 371.2 371.2 300.8 371.3 0.02 29 100 15830 -65.5 -72.5 37 7.0 -65.6 300 33 401.2 401.2 305.4 401.3 0.02 30 70 17980 -69.7 -77.7 30 8.0 -69.8 300 44 435.3 435.3 309.4 435.3 0.01 31 56 19301 -71.5 -79.5 29 8.0 -71.6 300 47 459.9 459.9 311.8 459.9 0.01 32 50 19970 -71.1 -79.1 30 8.0 -71.2 300 48 475.9 475.9 313.1 476.0 0.02 33 43 20865 -70.1 -78.1 30 8.0 -70.2 297 53 499.4 499.4 314.9 499.5 0.02 34 32 22604 -74.3 -82.3 28 8.0 -74.4 291 64 532.2 532.2 317.1 532.3 0.01 35 30 22980 -73.7 -81.7 28 8.0 -73.8 290 66 543.7 543.7 317.8 543.8 0.02 36 20 25340 -74.9 -83.9 23 9.0 -75.0 606.9 606.9 320.9 607.0 0.02 37 19 25638 -74.3 -83.3 24 9.0 -74.5 617.7 617.7 321.4 617.9 0.02 TRP 250 10180 -61.5 -67.5 45 6.0 -61.6 275 40 314.6 314.6 287.0 314.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5342.00 m Freezing level: 990.07 mb = 268.60 m = 881.22 ft Wetbulb zero: Below ground Precipitable water: 0.41 inches Sfc-500 mean rel hum: 65.19 % Est. max temperature: 8.80 C = 47.85 F Sfc-Lift cond lev (LCL): 957.91 mb = 530.92 m = 1741.85 ft T: -2.17 C 700-500 lapse rate: 6.64 C/km ThetaE index: 0.75 C Layer 933.0- 925.0 mb Conv cond level (CCL): 937.45 mb = 702.92 m = 2306.14 ft Mean mixing ratio: 3.13 g/kg Conv temperature: 0.88 C = 33.59 F Cap Strength: 13.35 C Lifted Index: 15.25 C Risk: None Lifted Index @300 mb: 18.36 C Lifted Index @700 mb: 11.02 C Showalter Index: 10.56 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 19.60 C K Index: 7.90 Risk: None Sweat Index: 165.70 Risk: None Energy Index: 2.75 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.28 J/kg Max Up Vert Vel: 8.03 m/s Conv Inhibition (B-): 41509.18 J/kg Cap Strength: 14.96 C Lift Cond Lev (LCL): 917.29 mb = 875.57 m = 2872.57 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 284 at 20 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 ---------------------------------------------------------- 0 993 244 180 9 0.0 9.0 | 126 24 -19.4 13.9 1 925 809 215 21 12.0 17.2 | 162 23 -7.3 22.1 2 850 1481 245 17 15.4 7.2 | 162 13 -4.0 12.1 3 700 3000 235 27 22.1 15.5 | 188 21 2.7 20.4 4 500 5530 280 35 34.5 -6.1 | 275 15 15.1 -1.2 5 400 7110 280 40 39.4 -6.9 | 276 20 20.0 -2.1 6 300 9030 285 48 46.4 -12.4 | 286 28 27.0 -7.5 7 250 10180 275 40 39.8 -3.5 | 266 21 20.5 1.4 8 200 11570 275 38 37.9 -3.3 | 265 19 18.5 1.6 9 150 13350 285 31 29.9 -8.0 | 287 11 10.6 -3.1 10 100 15830 300 33 28.6 -16.5 | 322 15 9.2 -11.6 11 70 17980 300 44 38.1 -22.0 | 312 25 18.7 -17.1 12 50 19970 300 48 41.6 -24.0 | 311 29 22.2 -19.1 13 30 22980 290 66 62.0 -22.6 | 293 46 42.7 -17.7 Wind Parameters Mean winds (0-6000m): 254.1 at 26.6 knts Storm direction: 284.1 at 20.0 knts Shear (0-3000m) pos: 3.3 neg: 1.2 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 67.7 deg Storm rel helicity (0-3000m) pos: 139.2 neg: -1.7 tot: 137.5 m^2/s^2 ave: 45.8 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 4.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.56 Bulk Shear: 57.63 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 ------------------------------------------------------------------------------- 500 203 14 143 23| 13.1 0.0 13.1| 83.5 0.0 83.5 167.1 0.99| 13.6 13.5 1000 214 17 153 21| 7.8 0.0 7.8|100.7 -0.0 100.7 100.7 0.73| 11.3 8.2 1500 223 17 157 19| 5.7 0.0 5.7|105.7 -1.7 104.0 69.3 0.63| 9.2 5.8 2000 229 18 161 18| 4.3 0.9 5.2|115.7 -1.7 114.0 57.0 0.65| 7.8 5.0 2500 231 19 165 18| 3.4 1.4 4.9|124.7 -1.7 123.0 49.2 0.64| 7.0 4.4 3000 232 20 169 18| 3.3 1.2 4.5|139.2 -1.7 137.5 45.8 0.64| 6.5 4.2 4000 237 23 179 17| 3.5 0.9 4.4|180.9 -1.7 179.1 44.8 0.70| 6.1 4.3 5000 246 25 192 15| 3.5 0.7 4.3|222.4 -1.7 220.7 44.1 0.75| 6.0 4.5 6000 254 27 207 14| 3.2 0.7 3.9|235.7 -1.7 234.0 39.0 0.74| 5.4 4.0 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251209.00.gif