UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101912.upa.cvt Date: 1200Z 19 OCT 25 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 19 OCT 25 Station: U2820 WMO ident: 22820 Latitude: 61.82 Longitude: 34.27 ------------------------------------------------------------------------------- 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 112 5.4 0.5 71 4.9 3.2 250 7 278.3 279.0 276.2 289.2 3.95 1 1000 136 5.0 -1.0 65 6.0 2.5 245 7 278.1 278.8 275.6 288.0 3.55 2 925 765 0.0 -4.2 73 4.2 -1.6 255 35 279.3 279.8 275.5 287.8 3.02 3 900 984 -2.3 -5.9 76 3.6 -3.6 258 30 279.1 279.6 275.0 286.8 2.73 4 884 1127 -0.7 -4.9 73 4.2 -2.3 260 27 282.2 282.7 277.0 290.7 3.00 5 850 1439 -2.7 -7.4 70 4.7 -4.4 265 21 283.3 283.8 277.0 290.7 2.58 6 700 2956 -10.5 -15.5 67 5.0 -11.9 270 19 290.9 291.1 279.4 295.8 1.63 7 689 3077 -11.5 -16.5 66 5.0 -12.9 271 19 291.1 291.3 279.4 295.7 1.53 8 635 3701 -12.9 -18.9 61 6.0 -14.5 277 21 296.3 296.6 281.5 300.6 1.35 9 570 4515 -18.1 -26.1 50 8.0 -19.7 285 23 299.5 299.7 282.3 302.1 0.80 10 500 5480 -24.7 -29.7 63 5.0 -25.5 295 25 302.9 303.0 283.4 305.1 0.65 11 429 6579 -31.9 -36.1 66 4.2 -32.4 298 26 307.3 307.4 284.8 308.7 0.41 12 415 6813 -33.3 -37.7 65 4.4 -33.7 299 27 308.4 308.5 285.2 309.7 0.36 13 400 7070 -35.7 -40.0 65 4.3 -36.1 300 27 308.6 308.6 285.2 309.6 0.29 14 300 9000 -51.5 -57.5 49 6.0 -51.7 325 40 312.8 312.8 286.4 313.0 0.05 15 288 9264 -54.3 -59.3 54 5.0 -54.4 325 39 312.4 312.4 286.2 312.6 0.04 16 250 10160 -60.1 -66.1 45 6.0 -60.2 325 35 316.7 316.7 287.7 316.8 0.02 17 226 10787 -63.3 -69.3 44 6.0 -63.3 315 40 321.1 321.1 289.1 321.2 0.01 18 210 11243 -60.5 -66.5 45 6.0 -60.6 312 36 332.3 332.3 292.4 332.4 0.02 19 200 11550 -56.9 -62.9 47 6.0 -57.0 310 33 342.7 342.7 295.0 342.8 0.04 20 193 11775 -55.7 -62.7 41 7.0 -55.9 310 32 348.1 348.1 296.3 348.3 0.04 21 150 13380 -54.1 -63.1 32 9.0 -54.4 310 27 376.9 376.9 301.8 377.1 0.05 22 144 13641 -53.1 -63.1 29 10.0 -53.4 312 27 383.0 383.0 302.8 383.3 0.05 23 125 14542 -56.3 -68.3 21 12.0 -56.6 317 25 393.0 393.1 304.3 393.2 0.03 24 115 15073 -53.9 -66.9 19 13.0 -54.4 320 24 407.0 407.0 306.2 407.2 0.04 25 100 15960 -57.3 -71.3 15 14.0 -57.6 325 23 417.0 417.0 307.4 417.1 0.03 26 97 16153 -58.5 -72.5 15 14.0 -58.8 322 22 418.3 418.3 307.5 418.4 0.02 27 70 18200 -60.7 -77.7 9 17.0 -61.0 295 11 454.5 454.5 311.3 454.6 0.01 28 50 20290 -62.5 -80.5 7 18.0 -62.9 260 11 496.2 496.2 314.7 496.3 0.01 29 44 21082 -60.5 -79.5 7 19.0 -61.1 519.6 519.6 316.3 519.7 0.02 30 38 21991 -62.7 -81.7 6 19.0 -63.2 536.2 536.2 317.3 536.3 0.01 31 33 22867 -59.5 -79.5 6 20.0 -60.3 566.8 566.8 319.0 566.9 0.02 32 30 23460 -61.7 -81.7 5 20.0 -62.4 576.4 576.4 319.5 576.5 0.02 33 28 23887 -62.3 -82.3 5 20.0 -63.0 586.3 586.3 320.0 586.4 0.02 TRP 226 10787 -63.3 -69.3 44 6.0 -63.3 315 40 321.1 321.1 289.1 321.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5344.00 m Freezing level: 925.00 mb = 765.00 m = 2509.81 ft Wetbulb zero: 954.64 mb = 510.54 m = 1674.98 ft Precipitable water: 0.43 inches Sfc-500 mean rel hum: 64.12 % Est. max temperature: 10.31 C = 50.56 F Sfc-Lift cond lev (LCL): 930.11 mb = 720.57 m = 2364.06 ft T: 0.35 C 700-500 lapse rate: 5.63 C/km ThetaE index: 2.39 C Layer 1000.0- 884.0 mb Conv cond level (CCL): 793.75 mb = 1973.96 m = 6476.16 ft Mean mixing ratio: 3.21 g/kg Conv temperature: 13.07 C = 55.53 F Cap Strength: 11.53 C Lifted Index: 13.19 C Risk: None Lifted Index @300 mb: 17.74 C Lifted Index @700 mb: 6.59 C Showalter Index: 10.96 C Risk: None Total Totals Index: 39.30 C Risk: None Vertical Totals Index: 22.00 C Cross Totals Index: 17.30 C K Index: 9.60 Risk: None Sweat Index: 67.00 Risk: None Energy Index: 2.99 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.90 J/kg Max Up Vert Vel: 2.41 m/s Conv Inhibition (B-): 41114.10 J/kg Cap Strength: 13.10 C Lift Cond Lev (LCL): 883.15 mb = 1134.26 m = 3721.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 305 at 17 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 112 250 7 6.6 2.4 | 150 14 -7.1 12.1 1 1000 136 245 7 6.3 3.0 | 150 15 -7.3 12.7 2 925 765 255 35 33.8 9.1 | 227 28 20.1 18.8 3 850 1439 265 21 20.9 1.8 | 212 14 7.3 11.6 4 700 2956 270 19 19.0 -0.0 | 209 11 5.3 9.7 5 500 5480 295 25 22.7 -10.6 | 275 9 9.0 -0.8 6 400 7070 300 27 23.4 -13.5 | 291 10 9.7 -3.8 7 300 9000 325 40 22.9 -32.8 | 338 25 9.3 -23.0 8 250 10160 325 35 20.1 -28.7 | 341 20 6.4 -19.0 9 226 10787 315 40 28.3 -28.3 | 322 24 14.6 -18.6 10 200 11550 310 33 25.3 -21.2 | 315 16 11.6 -11.5 11 150 13380 310 27 20.7 -17.4 | 317 10 7.0 -7.6 12 100 15960 325 23 13.2 -18.8 | 3 9 -0.5 -9.1 13 70 18200 295 11 10.0 -4.6 | 144 6 -3.7 5.1 14 50 20290 260 11 10.8 1.9 | 166 12 -2.8 11.6 Wind Parameters Mean winds (0-6000m): 275.4 at 22.4 knts Storm direction: 305.4 at 16.8 knts Shear (0-3000m) pos: 2.2 neg: 0.0 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 62.1 deg Storm rel helicity (0-3000m) pos: 116.1 neg: -23.9 tot: 92.2 m^2/s^2 ave: 30.7 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 3.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.23 Bulk Shear: 12.75 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 ------------------------------------------------------------------------------- 500 251 17 189 15| 21.8 0.0 21.8| 84.3 0.0 84.3 168.6 0.89| 22.0 19.7 1000 255 24 211 19| 10.8 0.0 10.8|114.5 -7.9 106.6 106.6 0.66| 17.6 11.6 1500 257 24 213 18| 4.9 0.0 4.9|114.5 -21.9 92.6 61.7 0.46| 14.3 6.6 2000 259 23 213 17| 3.5 0.0 3.5|114.5 -22.6 91.9 46.0 0.45| 11.0 4.9 2500 261 22 213 16| 2.7 0.0 2.7|114.5 -23.4 91.1 36.4 0.43| 8.9 3.9 3000 262 22 212 15| 2.2 0.0 2.2|116.1 -23.9 92.2 30.7 0.43| 7.7 3.3 4000 266 22 215 14| 2.1 0.0 2.1|126.8 -23.9 102.8 25.7 0.47| 6.3 3.0 5000 270 22 220 13| 2.0 0.0 2.0|137.7 -23.9 113.7 22.7 0.52| 5.5 2.9 6000 275 22 228 11| 1.9 0.0 1.9|144.5 -23.9 120.6 20.1 0.54| 4.8 2.6 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251019.12.gif