UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for U2845... Searching the city database file for: U2845 ... Date:1200Z 18 OCT 25 Station: U2845 WMO ident: 22845 Latitude: 61.50 Longitude: 38.93 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1003 126 4.4 -1.6 65 6.0 1.9 270 3 277.3 277.9 274.9 286.7 3.39 1 1000 150 3.2 -2.8 65 6.0 0.8 280 3 276.4 276.9 274.0 284.9 3.11 2 996 182 2.2 -3.8 64 6.0 -0.1 280 3 275.7 276.2 273.3 283.7 2.89 3 925 774 -2.9 -7.5 71 4.6 -4.4 280 9 276.3 276.7 272.8 282.9 2.35 4 850 1438 -7.5 -15.5 53 8.0 -9.6 270 7 278.3 278.5 272.4 282.2 1.34 5 754 2360 -13.9 -23.9 43 10.0 -15.8 298 9 281.1 281.2 273.1 283.3 0.73 6 700 2922 -15.7 -30.7 26 15.0 -18.0 315 11 285.1 285.2 274.8 286.4 0.42 7 639 3608 -18.1 -37.1 17 19.0 -20.5 315 13 289.9 289.9 277.0 290.7 0.25 8 588 4223 -23.5 -36.5 29 13.0 -25.0 315 15 290.6 290.6 277.4 291.5 0.29 9 572 4425 -23.3 -37.3 27 14.0 -24.9 315 16 293.1 293.2 278.6 294.0 0.27 10 520 5118 -27.3 -46.3 15 19.0 -28.8 315 18 296.4 296.4 279.9 296.8 0.12 11 509 5272 -28.3 -48.3 13 20.0 -29.7 315 19 297.0 297.0 280.1 297.3 0.09 12 500 5400 -29.7 -48.7 14 19.0 -31.0 315 19 296.8 296.8 280.1 297.2 0.09 13 400 6950 -41.5 -55.5 21 14.0 -42.0 345 21 301.1 301.1 281.8 301.2 0.05 14 324 8344 -51.5 -63.5 23 12.0 -51.7 327 24 306.0 306.0 283.8 306.0 0.02 15 300 8840 -53.9 -64.9 25 11.0 -54.1 320 25 309.4 309.4 285.1 309.5 0.02 16 298 8883 -54.3 -65.3 25 11.0 -54.5 319 25 309.4 309.4 285.1 309.5 0.02 17 284 9192 -55.1 -66.1 24 11.0 -55.2 310 27 312.5 312.5 286.2 312.6 0.02 18 251 9984 -54.1 -64.1 28 10.0 -54.3 305 23 325.3 325.3 290.4 325.4 0.03 19 250 10010 -54.5 -64.5 28 10.0 -54.6 305 23 325.0 325.0 290.3 325.1 0.03 20 221 10798 -54.1 -65.1 25 11.0 -54.3 294 27 337.3 337.3 293.7 337.4 0.03 21 200 11440 -51.7 -63.7 22 12.0 -52.0 285 31 350.9 350.9 296.8 351.1 0.04 22 196 11571 -50.1 -63.1 20 13.0 -50.5 285 31 355.5 355.5 297.8 355.7 0.04 23 150 13310 -51.7 -68.7 11 17.0 -52.2 285 25 381.0 381.0 302.4 381.1 0.02 24 148 13397 -52.3 -69.3 11 17.0 -52.8 285 25 381.4 381.4 302.5 381.5 0.02 25 131 14193 -50.3 -68.3 10 18.0 -51.0 283 21 398.5 398.5 305.0 398.7 0.03 26 108 15446 -54.1 -73.1 8 19.0 -54.6 281 15 414.0 414.0 307.0 414.1 0.02 27 100 15940 -54.7 -74.7 7 20.0 -55.2 280 13 422.0 422.0 308.0 422.1 0.02 28 93 16404 -53.1 -73.1 7 20.0 -53.8 284 13 434.0 434.1 309.3 434.2 0.02 29 70 18210 -57.7 -77.7 6 20.0 -58.2 300 11 460.9 460.9 311.8 461.0 0.01 30 64 18777 -58.5 -78.5 6 20.0 -59.0 293 12 471.2 471.2 312.7 471.2 0.01 31 50 20330 -59.9 -79.9 6 20.0 -60.4 275 15 502.3 502.3 315.1 502.4 0.01 32 34 22732 -61.5 -82.5 5 21.0 -62.1 279 18 556.7 556.7 318.5 556.8 0.01 33 30 23510 -60.5 -81.5 5 21.0 -61.3 280 19 579.7 579.7 319.6 579.8 0.02 34 20 26040 -60.3 -82.3 4 22.0 -61.5 270 27 651.6 651.6 322.7 651.8 0.02 35 15 27830 -60.3 -82.3 4 22.0 -61.9 262 31 707.5 707.5 324.7 707.7 0.03 36 13 28730 -56.1 -79.1 4 23.0 -58.7 258 33 751.6 751.6 326.0 752.1 0.06 37 11 29782 -59.7 -81.7 4 22.0 -61.9 253 35 775.3 775.3 326.6 775.7 0.05 38 10 30380 -57.7 -79.7 4 22.0 -60.5 250 36 804.2 804.2 327.4 804.8 0.07 39 9.2 30907 -57.3 -80.3 4 23.0 -60.4 825.1 825.1 327.8 825.8 0.07 TRP 284 9192 -55.1 -66.1 24 11.0 -55.2 310 27 312.5 312.5 286.2 312.6 0.02 WND Sounding variables and indices 1000-500 mb thick: 5250.00 m Freezing level: 965.37 mb = 437.61 m = 1435.72 ft Wetbulb zero: 996.42 mb = 179.05 m = 587.41 ft Precipitable water: 0.22 inches Sfc-500 mean rel hum: 37.52 % Est. max temperature: 5.30 C = 41.54 F Sfc-Lift cond lev (LCL): 914.22 mb = 866.02 m = 2841.25 ft T: -3.54 C 700-500 lapse rate: 5.65 C/km ThetaE index: 4.49 C Layer 1000.0- 754.0 mb Conv cond level (CCL): 849.25 mb = 1444.79 m = 4740.06 ft Mean mixing ratio: 2.55 g/kg Conv temperature: 5.40 C = 41.71 F Cap Strength: 11.93 C Lifted Index: 11.65 C Risk: None Lifted Index @300 mb: 18.50 C Lifted Index @700 mb: 4.55 C Showalter Index: 12.53 C Risk: None Total Totals Index: 36.40 C Risk: None Vertical Totals Index: 22.20 C Cross Totals Index: 14.20 C K Index: -8.30 Risk: None Sweat Index: 33.00 Risk: None Energy Index: 3.17 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.74 J/kg Max Up Vert Vel: 2.74 m/s Conv Inhibition (B-): 58686.74 J/kg Cap Strength: 11.87 C Lift Cond Lev (LCL): 877.08 mb = 1191.70 m = 3909.71 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 339 at 9 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 1003 126 270 3 3.0 -0.0 | 178 9 -0.3 8.7 1 1000 150 280 3 3.0 -0.5 | 178 8 -0.3 8.2 2 925 774 280 9 8.9 -1.6 | 218 9 5.6 7.1 3 850 1438 270 7 7.0 -0.0 | 203 9 3.7 8.7 4 700 2922 315 11 7.8 -7.8 | 258 5 4.5 0.9 5 500 5400 315 19 13.4 -13.4 | 295 11 10.1 -4.7 6 400 6950 345 21 5.4 -20.3 | 350 12 2.1 -11.6 7 300 8840 320 25 16.1 -19.2 | 309 16 12.8 -10.4 8 284 9192 310 27 20.7 -17.4 | 296 19 17.4 -8.6 9 250 10010 305 23 18.8 -13.2 | 286 16 15.5 -4.5 10 200 11440 285 31 29.9 -8.0 | 269 27 26.6 0.7 11 150 13310 285 25 24.1 -6.5 | 264 21 20.9 2.2 12 100 15940 280 13 12.8 -2.3 | 236 11 9.5 6.4 13 70 18210 300 11 9.5 -5.5 | 243 7 6.2 3.2 14 50 20330 275 15 14.9 -1.3 | 238 14 11.6 7.4 15 30 23510 280 19 18.7 -3.3 | 251 16 15.4 5.4 16 20 26040 270 27 27.0 -0.0 | 250 25 23.7 8.7 17 10 30380 250 36 33.8 12.3 | 235 37 30.5 21.0 Wind Parameters Mean winds (0-6000m): 309.3 at 12.4 knts Storm direction: 339.3 at 9.3 knts Shear (0-3000m) pos: 1.7 neg: 0.1 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 86.6 deg Storm rel helicity (0-3000m) pos: 24.9 neg: -5.3 tot: 19.5 m^2/s^2 ave: 6.5 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 2.9 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.41 Bulk Shear: 9.12 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 ------------------------------------------------------------------------------- 500 280 5 193 8| 4.8 0.0 4.8| 9.6 0.0 9.6 19.3 0.93| 4.9 4.6 1000 279 7 204 8| 2.4 0.4 2.8| 12.2 -2.7 9.5 9.5 0.62| 3.7 2.3 1500 277 7 205 9| 1.5 0.3 1.7| 13.9 -5.3 8.6 5.7 0.45| 3.1 1.4 2000 279 7 207 9| 1.6 0.2 1.8| 18.4 -5.3 13.0 6.5 0.53| 3.0 1.6 2500 285 8 212 8| 1.7 0.2 1.9| 22.2 -5.3 16.9 6.7 0.58| 3.0 1.7 3000 292 8 218 7| 1.7 0.1 1.9| 24.9 -5.3 19.5 6.5 0.61| 2.9 1.8 4000 300 9 231 6| 1.3 0.4 1.7| 28.1 -5.3 22.8 5.7 0.61| 2.6 1.6 5000 305 11 247 6| 1.0 0.7 1.7| 31.4 -5.3 26.1 5.2 0.59| 2.4 1.4 6000 309 12 262 6| 1.1 0.5 1.7| 46.4 -5.3 41.0 6.8 0.65| 2.5 1.6 Wrote GIF file: /home/apache/climate/data/raob//U2845/skewt/U2845.skewt.20251018.12.gif