UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for U3884... Searching the city database file for: U3884 ... Date:1200Z 19 APR 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 1005 59 -3.9 -11.9 54 8.0 -6.1 250 5 268.9 269.1 266.7 273.1 1.53 1 1000 98 -4.5 -13.5 49 9.0 -6.9 245 5 268.6 268.9 266.3 272.4 1.35 2 925 704 -10.5 -17.5 56 7.0 -12.0 245 11 268.6 268.7 265.7 271.5 1.04 3 850 1347 -16.1 -21.1 65 5.0 -17.0 235 13 269.3 269.4 265.8 271.7 0.83 4 804 1763 -19.5 -23.6 70 4.1 -20.1 241 13 270.0 270.1 266.0 272.0 0.71 5 789 1903 -19.5 -23.5 71 4.0 -20.1 243 13 271.4 271.6 267.1 273.6 0.73 6 700 2782 -24.7 -29.7 63 5.0 -25.3 255 13 275.1 275.2 269.0 276.5 0.46 7 691 2876 -25.1 -30.1 63 5.0 -25.7 255 13 275.7 275.8 269.4 277.1 0.45 8 500 5140 -41.9 -46.9 58 5.0 -42.1 255 17 282.0 282.0 272.5 282.3 0.11 9 446 5904 -47.1 -52.0 57 4.9 -47.2 242 16 284.8 284.8 274.0 285.0 0.07 10 400 6620 -49.7 -54.6 56 4.9 -49.8 230 15 290.4 290.4 277.0 290.6 0.06 11 367 7182 -52.1 -57.1 55 5.0 -52.2 255 11 294.4 294.4 278.9 294.6 0.05 12 342 7644 -48.7 -54.7 50 6.0 -48.8 264 10 305.1 305.1 283.5 305.3 0.07 13 339 7702 -48.9 -54.9 50 6.0 -49.1 265 9 305.6 305.6 283.7 305.8 0.07 14 300 8510 -47.3 -54.3 45 7.0 -47.6 280 7 318.7 318.7 288.4 319.0 0.08 15 250 9720 -45.7 -56.7 28 11.0 -46.2 315 3 338.1 338.1 293.9 338.4 0.07 16 200 11200 -46.1 -62.1 15 16.0 -46.7 295 5 359.8 359.8 298.7 360.0 0.04 17 187 11648 -45.3 -62.3 13 17.0 -46.0 275 6 368.0 368.1 300.2 368.3 0.05 18 171 12246 -45.1 -64.1 10 19.0 -46.0 249 7 377.9 377.9 301.9 378.1 0.04 19 150 13120 -46.1 -66.1 9 20.0 -47.0 210 9 390.6 390.6 303.9 390.8 0.04 20 100 15790 -49.5 -71.5 6 22.0 -50.4 220 7 432.1 432.1 309.1 432.2 0.02 21 87 16706 -47.3 -69.3 6 22.0 -48.6 210 11 454.1 454.1 311.3 454.3 0.04 22 74 17768 -50.9 -72.9 6 22.0 -52.0 199 15 468.0 468.0 312.5 468.2 0.03 23 70 18130 -50.3 -72.3 6 22.0 -51.5 195 17 476.8 476.8 313.2 477.0 0.03 24 66 18516 -47.9 -70.9 5 23.0 -49.5 198 16 490.1 490.1 314.2 490.3 0.04 25 50 20330 -52.3 -74.3 5 22.0 -53.6 210 13 520.2 520.2 316.3 520.4 0.03 26 49 20461 -52.7 -74.7 5 22.0 -53.9 522.3 522.3 316.5 522.5 0.03 27 40 21772 -52.5 -74.5 5 22.0 -54.0 554.0 554.0 318.3 554.3 0.04 TRP 367 7182 -52.1 -57.1 55 5.0 -52.2 255 11 294.4 294.4 278.9 294.6 0.05 WND Sounding variables and indices 1000-500 mb thick: 5042.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 61.63 % Est. max temperature: -3.53 C = 25.64 F Sfc-Lift cond lev (LCL): 885.44 mb = 1036.38 m = 3400.15 ft T: -13.39 C 700-500 lapse rate: 7.29 C/km ThetaE index: 1.57 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 831.67 mb = 1509.90 m = 4953.68 ft Mean mixing ratio: 1.17 g/kg Conv temperature: -3.21 C = 26.22 F Cap Strength: 4.65 C Lifted Index: 8.47 C Risk: None Lifted Index @300 mb: 33.19 C Lifted Index @700 mb: 4.23 C Showalter Index: 8.65 C Risk: None Total Totals Index: 46.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.80 C Cross Totals Index: 20.80 C K Index: -0.30 Risk: None Sweat Index: 43.00 Risk: None Energy Index: 2.22 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.41 J/kg Max Up Vert Vel: 0.91 m/s Conv Inhibition (B-): 43850.04 J/kg Cap Strength: 8.37 C Lift Cond Lev (LCL): 843.57 mb = 1403.73 m = 4605.34 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 279 at 10 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 1005 59 250 5 4.7 1.7 | 122 6 -5.5 3.4 1 1000 98 245 5 4.5 2.1 | 124 7 -5.6 3.8 2 925 704 245 11 10.0 4.6 | 178 6 -0.2 6.3 3 850 1347 235 13 10.6 7.5 | 183 9 0.5 9.1 4 700 2782 255 13 12.6 3.4 | 205 6 2.4 5.1 5 500 5140 255 17 16.4 4.4 | 226 9 6.3 6.1 6 400 6620 230 15 11.5 9.6 | 187 11 1.3 11.3 7 367 7182 255 11 10.6 2.8 | 186 5 0.5 4.5 8 300 8510 280 7 6.9 -1.2 | 98 3 -3.3 0.5 9 250 9720 315 3 2.1 -2.1 | 87 8 -8.0 -0.4 10 200 11200 295 5 4.5 -2.1 | 86 6 -5.6 -0.4 11 150 13120 210 9 4.5 7.8 | 149 11 -5.7 9.5 12 100 15790 220 7 4.5 5.4 | 141 9 -5.7 7.1 13 70 18130 195 17 4.4 16.4 | 162 19 -5.8 18.1 14 50 20330 210 13 6.5 11.3 | 164 13 -3.7 12.9 Wind Parameters Mean winds (0-6000m): 249.5 at 13.7 knts Storm direction: 279.5 at 10.3 knts Shear (0-3000m) pos: 0.7 neg: 1.4 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 86.9 deg Storm rel helicity (0-3000m) pos: 16.8 neg: 0.0 tot: 16.8 m^2/s^2 ave: 5.6 10^-3 m/s^2 rel: 0.70 Storm rel vorticity (0-3000m) horiz: 2.4 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.07 Bulk Shear: 5.89 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 ------------------------------------------------------------------------------- 500 245 7 142 6| 0.0 4.7 4.7| 7.4 0.0 7.4 14.8 0.98| 4.9 4.7 1000 244 9 161 6| 0.0 3.7 3.7| 10.5 0.0 10.5 10.5 0.84| 4.0 3.3 1500 241 10 171 7| 0.0 2.8 2.8| 11.8 0.0 11.8 7.9 0.73| 3.3 2.4 2000 241 11 176 7| 0.4 2.1 2.5| 13.8 0.0 13.8 6.9 0.71| 2.9 2.1 2500 243 11 180 7| 0.6 1.7 2.3| 15.6 0.0 15.6 6.2 0.70| 2.6 1.8 3000 245 12 184 7| 0.7 1.4 2.1| 16.8 0.0 16.8 5.6 0.70| 2.4 1.7 4000 248 12 192 6| 0.5 1.3 1.8| 18.7 0.0 18.7 4.7 0.70| 2.0 1.4 5000 250 13 199 7| 0.4 1.2 1.6| 20.6 0.0 20.6 4.1 0.68| 1.8 1.2 6000 249 14 203 7| 0.3 1.0 1.4| 20.6 -10.7 10.0 1.7 0.34| 1.9 0.6 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20250419.12.gif