UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121000.upa.cvt Date: 0000Z 10 DEC 25 Searching for U3884... Searching the city database file for: U3884 ... Date:0000Z 10 DEC 25 Station: U3884 WMO ident: 23884 Latitude: 61.60 Longitude: 90.00 ------------------------------------------------------------------------------- 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 1021 56 -26.5 -29.7 74 3.2 -26.8 250 3 245.2 245.2 245.0 246.0 0.32 1 1000 206 -26.7 -30.4 71 3.7 -27.0 215 7 246.4 246.5 246.2 247.3 0.30 2 988 293 -26.7 -30.4 71 3.7 -27.0 224 10 247.3 247.3 246.9 248.1 0.31 3 957 526 -20.9 -24.4 73 3.5 -21.3 249 18 255.4 255.5 254.6 257.0 0.55 4 933 714 -20.5 -23.5 77 3.0 -20.9 268 25 257.7 257.8 256.6 259.4 0.62 5 925 778 -17.1 -20.0 78 2.9 -17.6 275 27 261.8 262.0 260.3 264.2 0.84 6 921 811 -14.9 -18.1 77 3.2 -15.5 276 27 264.4 264.6 262.6 267.2 1.00 7 908 918 -14.1 -18.3 70 4.2 -14.9 277 29 266.3 266.5 264.0 269.1 0.99 8 885 1113 -14.1 -23.1 46 9.0 -15.6 280 31 268.3 268.4 264.8 270.2 0.67 9 869 1251 -15.3 -26.3 38 11.0 -17.0 282 33 268.4 268.5 264.6 269.9 0.51 10 850 1418 -15.7 -26.7 38 11.0 -17.4 285 35 269.7 269.8 265.4 271.2 0.51 11 743 2423 -19.9 -33.9 28 14.0 -21.5 295 37 275.7 275.8 269.1 276.6 0.29 12 700 2862 -23.1 -39.1 22 16.0 -24.6 300 38 276.9 276.9 269.6 277.5 0.18 13 671 3170 -24.9 -41.9 19 17.0 -26.3 301 39 278.3 278.3 270.4 278.7 0.14 14 562 4432 -34.5 -43.5 40 9.0 -35.0 303 42 281.4 281.4 272.2 281.9 0.14 15 500 5240 -38.7 -44.7 53 6.0 -39.0 305 44 285.9 285.9 274.8 286.3 0.14 16 442 6077 -43.9 -48.9 58 5.0 -44.1 313 48 289.5 289.6 276.6 289.9 0.10 17 433 6215 -44.7 -49.7 57 5.0 -44.9 315 49 290.2 290.3 276.9 290.6 0.09 18 400 6740 -48.9 -53.8 57 4.9 -49.0 320 52 291.4 291.4 277.5 291.7 0.06 19 366 7319 -53.3 -58.2 55 4.9 -53.4 323 54 293.1 293.1 278.2 293.2 0.04 20 300 8580 -61.3 -65.9 54 4.6 -61.3 330 58 298.9 298.9 280.9 299.0 0.02 21 277 9066 -64.5 -69.2 53 4.6 -64.6 330 62 301.2 301.2 281.8 301.2 0.01 22 250 9680 -68.7 -73.4 51 4.7 -68.7 325 60 303.9 303.9 283.0 304.0 0.01 23 248 9728 -69.1 -73.8 50 4.7 -69.1 330 60 304.0 304.0 283.0 304.1 0.01 24 219 10473 -68.5 -73.3 50 4.8 -68.5 324 48 316.0 316.0 287.4 316.0 0.01 25 200 11020 -66.9 -71.6 51 4.7 -67.0 320 40 326.8 326.8 290.8 326.9 0.01 26 182 11594 -64.7 -69.4 52 4.7 -64.7 318 38 339.3 339.3 294.1 339.4 0.02 27 164 12228 -66.5 -71.1 52 4.6 -66.5 317 35 346.6 346.6 295.9 346.6 0.02 28 150 12770 -65.5 -69.9 54 4.4 -65.5 315 33 357.2 357.3 298.2 357.3 0.02 29 100 15240 -66.1 -71.1 49 5.0 -66.2 300 25 400.0 400.0 305.2 400.1 0.03 30 70 17380 -68.7 -73.7 48 5.0 -68.8 300 21 437.4 437.4 309.6 437.5 0.03 31 68 17554 -68.5 -74.5 42 6.0 -68.6 441.5 441.5 310.0 441.6 0.02 TRP 248 9728 -69.1 -73.8 50 4.7 -69.1 330 60 304.0 304.0 283.0 304.1 0.01 WND 277 9066 -64.5 -69.2 53 4.6 -64.6 330 62 301.2 301.2 281.8 301.2 0.01 Sounding variables and indices 1000-500 mb thick: 5034.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 40.81 % Est. max temperature: -3.15 C = 26.32 F Sfc-Lift cond lev (LCL): 967.62 mb = 445.43 m = 1461.36 ft T: -22.91 C 700-500 lapse rate: 6.56 C/km ThetaE index: 0.28 C Layer 869.0- 850.0 mb Conv cond level (CCL): 1000.00 mb = 206.00 m = 675.84 ft Mean mixing ratio: 0.48 g/kg Conv temperature: -24.12 C = -11.41 F Cap Strength: 23.72 C Lifted Index: 26.55 C Risk: None Lifted Index @300 mb: 32.20 C Lifted Index @700 mb: 21.41 C Showalter Index: 12.20 C Risk: None Total Totals Index: 35.00 C Risk: None Vertical Totals Index: 23.00 C Cross Totals Index: 12.00 C K Index: -19.70 Risk: None Sweat Index: 114.00 Risk: None Energy Index: 3.18 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 64.36 J/kg Max Up Vert Vel: 11.35 m/s Conv Inhibition (B-): 30449.94 J/kg Cap Strength: 26.28 C Lift Cond Lev (LCL): 925.97 mb = 770.18 m = 2526.82 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 328 at 27 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 1021 56 250 3 2.8 1.0 | 154 27 -11.7 24.2 1 1000 206 215 7 4.0 5.7 | 160 31 -10.5 28.9 2 925 778 275 27 26.9 -2.4 | 211 24 12.4 20.8 3 850 1418 285 35 33.8 -9.1 | 234 24 19.3 14.1 4 700 2862 300 38 32.9 -19.0 | 257 19 18.4 4.2 5 500 5240 305 44 36.0 -25.2 | 275 22 21.5 -2.0 6 400 6740 320 52 33.4 -39.8 | 311 25 18.9 -16.6 7 300 8580 330 58 29.0 -50.2 | 332 31 14.5 -27.0 8 277 9066 330 62 31.0 -53.7 | 332 35 16.5 -30.5 9 250 9680 325 60 34.4 -49.1 | 323 33 19.9 -26.0 10 248 9728 330 60 30.0 -52.0 | 332 33 15.5 -28.8 11 200 11020 320 40 25.7 -30.6 | 304 13 11.2 -7.4 12 150 12770 315 33 23.3 -23.3 | 271 9 8.8 -0.1 13 100 15240 300 25 21.7 -12.5 | 214 13 7.1 10.7 14 70 17380 300 21 18.2 -10.5 | 196 13 3.7 12.7 Wind Parameters Mean winds (0-6000m): 297.9 at 36.5 knts Storm direction: 327.9 at 27.4 knts Shear (0-3000m) pos: 6.3 neg: 0.0 tot: 6.3 10-3/s Storm rel Dir Shear (0-3000m): 104.6 deg Storm rel helicity (0-3000m) pos: 330.5 neg: 0.0 tot: 330.5 m^2/s^2 ave: 110.2 10^-3 m/s^2 rel: 0.92 Storm rel vorticity (0-3000m) horiz: 8.9 stream: 8.1 10^-3/s Energy-Hel index: 0.12 Bulk Rich Number: 0.47 Bulk Shear: 137.01 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 ------------------------------------------------------------------------------- 500 240 11 169 29| 16.7 0.0 16.7|139.8 0.0 139.8 279.6 0.90| 19.9 18.0 1000 268 18 189 24| 14.4 0.0 14.4|244.1 0.0 244.1 244.1 0.92| 18.3 16.8 1500 276 23 202 23| 11.3 0.0 11.3|284.1 0.0 284.1 189.4 0.93| 14.4 13.3 2000 280 26 211 22| 8.8 0.0 8.8|301.3 0.0 301.3 150.6 0.92| 11.7 10.8 2500 284 28 219 21| 7.3 0.0 7.3|317.9 0.0 317.9 127.2 0.92| 10.1 9.2 3000 287 30 225 20| 6.3 0.0 6.3|330.5 0.0 330.5 110.2 0.92| 8.9 8.1 4000 292 32 234 19| 5.0 0.0 5.0|344.6 0.0 344.6 86.1 0.92| 7.0 6.4 5000 295 35 243 19| 4.3 0.0 4.3|359.2 0.0 359.2 71.8 0.92| 5.9 5.4 6000 298 36 251 19| 4.0 0.0 4.0|407.5 0.0 407.5 67.9 0.92| 5.7 5.2 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20251210.00.gif