UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042312.upa.cvt Date: 1200Z 23 APR 25 Searching for U9839... Searching the city database file for: U9839 ... Date:1200Z 23 APR 25 Station: U9839 WMO ident: 29839 Latitude: 53.50 Longitude: 83.83 ------------------------------------------------------------------------------- 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 82 200 5 SFC 993 143 22.6 7.6 38 15.0 13.8 200 5 296.3 297.5 287.3 315.6 6.60 2 925 757 19.6 3.6 35 16.0 10.8 230 17 299.4 300.3 287.2 315.3 5.36 3 920 804 19.4 4.4 37 15.0 11.0 231 17 299.6 300.7 287.6 316.6 5.70 4 850 1476 12.4 1.4 47 11.0 6.7 240 23 299.1 300.0 286.7 314.0 4.98 5 700 3061 -2.5 -6.5 74 4.0 -4.1 260 27 299.7 300.3 285.3 309.9 3.36 6 694 3129 -3.1 -6.6 77 3.5 -4.6 260 27 299.8 300.4 285.3 310.0 3.36 7 626 3937 -9.5 -10.7 91 1.2 -9.9 263 31 301.4 301.9 285.2 309.8 2.70 8 615 4073 -10.9 -12.3 89 1.4 -11.3 264 31 301.4 301.8 284.9 308.9 2.42 9 577 4562 -12.9 -35.9 13 23.0 -16.7 266 33 304.6 304.6 283.7 305.6 0.31 10 557 4831 -14.7 -36.7 14 22.0 -18.2 267 34 305.5 305.6 284.0 306.6 0.30 11 500 5640 -20.5 -34.5 27 14.0 -22.7 270 38 308.0 308.1 285.1 309.5 0.41 12 471 6080 -23.5 -39.5 22 16.0 -25.5 270 39 309.6 309.7 285.5 310.6 0.26 13 400 7250 -34.1 -46.1 29 12.0 -35.0 270 42 310.7 310.7 285.8 311.2 0.15 14 359 7998 -40.7 -51.7 30 11.0 -41.2 276 43 311.6 311.6 286.0 311.9 0.09 15 300 9200 -49.1 -55.1 50 6.0 -49.3 285 44 316.1 316.2 287.6 316.4 0.07 16 291 9397 -50.5 -56.5 49 6.0 -50.7 283 45 316.9 316.9 287.8 317.2 0.06 17 250 10360 -59.3 -66.3 40 7.0 -59.4 275 48 317.9 317.9 288.1 318.0 0.02 18 200 11770 -57.1 -66.1 31 9.0 -57.2 275 40 342.3 342.3 294.9 342.5 0.03 19 193 11994 -54.9 -64.9 28 10.0 -55.1 275 39 349.4 349.4 296.5 349.5 0.03 20 151 13557 -51.9 -67.9 13 16.0 -52.4 275 33 379.9 379.9 302.2 380.1 0.03 21 150 13600 -51.9 -67.9 13 16.0 -52.4 275 33 380.6 380.7 302.3 380.8 0.03 22 115 15306 -55.7 -75.7 7 20.0 -56.1 278 29 403.6 403.6 305.7 403.7 0.01 23 100 16200 -53.9 -74.9 6 21.0 -54.5 280 27 423.6 423.6 308.2 423.7 0.01 24 87 17092 -56.1 -77.1 6 21.0 -56.6 288 25 436.4 436.4 309.5 436.4 0.01 25 70 18480 -55.3 -77.3 5 22.0 -56.0 300 21 466.1 466.1 312.3 466.2 0.01 26 60 19460 -55.3 -77.3 5 22.0 -56.1 293 21 487.1 487.1 314.0 487.2 0.02 27 50 20620 -55.5 -77.5 5 22.0 -56.4 285 21 512.7 512.7 315.8 512.8 0.02 28 31 23688 -51.7 -74.7 5 23.0 -53.8 229 12 598.1 598.1 320.5 598.4 0.05 29 30 23900 -52.1 -74.1 5 22.0 -54.1 225 11 602.6 602.6 320.7 603.0 0.06 30 26 24820 -53.7 -75.7 5 22.0 -55.6 225 12 623.2 623.3 321.6 623.6 0.05 31 20 26520 -49.1 -73.1 4 24.0 -52.7 225 13 685.9 685.9 324.0 686.7 0.10 32 19 26858 -47.7 -71.7 5 24.0 -51.8 700.4 700.4 324.5 701.5 0.13 33 12 29883 -49.1 -73.1 4 24.0 -54.1 793.8 793.9 327.1 795.4 0.16 34 10 31091 -44.9 -69.9 4 25.0 -52.2 851.9 852.1 328.5 855.2 0.31 TRP 250 10360 -59.3 -66.3 40 7.0 -59.4 275 48 317.9 317.9 288.1 318.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5558.00 m Freezing level: 725.17 mb = 2795.06 m = 9170.03 ft Wetbulb zero: 757.29 mb = 2418.76 m = 7935.48 ft Precipitable water: 0.72 inches Sfc-500 mean rel hum: 50.51 % Est. max temperature: 25.43 C = 77.77 F Sfc-Lift cond lev (LCL): 795.15 mb = 2020.60 m = 6629.20 ft T: 7.28 C 700-500 lapse rate: 6.98 C/km ThetaE index: 6.65 C Layer 850.0- 694.0 mb Conv cond level (CCL): 738.67 mb = 2622.02 m = 8602.32 ft Mean mixing ratio: 5.84 g/kg Conv temperature: 25.89 C = 78.60 F Cap Strength: 1.11 C Lifted Index: -1.65 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.68 C Lifted Index @700 mb: -1.05 C Showalter Index: -0.66 C Risk: Thunderstorms probable Total Totals Index: 54.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 32.90 C Cross Totals Index: 21.90 C K Index: 30.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 304.30 Risk: Showers and thunderstorms possible Energy Index: -0.92 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 416.80 J/kg Max Up Vert Vel: 28.87 m/s Conv Inhibition (B-): 60.45 J/kg Cap Strength: 1.18 C Lift Cond Lev (LCL): 751.73 mb = 2478.95 m = 8132.94 ft Lev Free Conv (LFC): 716.73 mb = 2868.17 m = 9409.89 ft Equ Level (EL): 306.73 mb = 9051.44 m = 29695.95 ft B at Equ Level: 413.29 J/kg Max Parcel Lev (MPL): 216.73 mb = 11262.34 m = 36949.48 ft Wind level data Storm motion: 289 at 21 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 ---------------------------------------------------------- 0 993 143 200 5 1.7 4.7 | 123 21 -17.9 11.4 1 925 757 230 17 13.0 10.9 | 160 19 -6.6 17.7 2 850 1476 240 23 19.9 11.5 | 181 18 0.3 18.2 3 700 3061 260 27 26.6 4.7 | 211 13 7.0 11.4 4 500 5640 270 38 38.0 -0.0 | 250 20 18.4 6.7 5 400 7250 270 42 42.0 -0.0 | 253 23 22.4 6.7 6 300 9200 285 44 42.5 -11.4 | 281 23 22.9 -4.7 7 250 10360 275 48 47.8 -4.2 | 265 28 28.2 2.6 8 200 11770 275 40 39.8 -3.5 | 261 20 20.2 3.2 9 150 13600 275 33 32.9 -2.9 | 254 14 13.3 3.9 10 100 16200 280 27 26.6 -4.7 | 254 7 7.0 2.0 11 70 18480 300 21 18.2 -10.5 | 21 4 -1.4 -3.8 12 50 20620 285 21 20.3 -5.4 | 207 1 0.7 1.3 13 30 23900 225 11 7.8 7.8 | 141 19 -11.8 14.5 14 20 26520 225 13 9.2 9.2 | 147 19 -10.4 15.9 Wind Parameters Mean winds (0-6000m): 259.0 at 27.6 knts Storm direction: 289.0 at 20.7 knts Shear (0-3000m) pos: 4.3 neg: 0.0 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 90.4 deg Storm rel helicity (0-3000m) pos: 140.3 neg: 0.0 tot: 140.3 m^2/s^2 ave: 46.8 10^-3 m/s^2 rel: 0.95 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 4.9 10^-3/s Energy-Hel index: 0.31 Bulk Rich Number: 7.36 Bulk Shear: 56.61 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 ------------------------------------------------------------------------------- 500 222 10 137 19| 10.7 0.0 10.7| 57.5 0.0 57.5 115.0 0.99| 11.0 10.8 1000 228 14 150 18| 8.4 0.0 8.4| 88.7 0.0 88.7 88.7 0.98| 8.8 8.6 1500 233 17 160 18| 6.9 0.0 6.9|108.4 0.0 108.4 72.3 0.98| 7.3 7.2 2000 237 19 166 17| 5.6 0.0 5.6|119.5 0.0 119.5 59.8 0.96| 6.2 6.0 2500 241 20 173 16| 4.8 0.0 4.8|130.2 0.0 130.2 52.1 0.95| 5.6 5.3 3000 245 21 178 16| 4.3 0.0 4.3|140.3 0.0 140.3 46.8 0.95| 5.2 4.9 4000 251 23 189 15| 3.8 0.0 3.8|156.6 0.0 156.6 39.1 0.94| 4.5 4.2 5000 255 25 201 14| 3.5 0.0 3.5|174.5 0.0 174.5 34.9 0.93| 4.1 3.8 6000 259 28 212 14| 3.1 0.1 3.2|186.4 0.0 186.4 31.1 0.91| 3.7 3.4 Wrote GIF file: /home/apache/climate/data/raob//U9839/skewt/U9839.skewt.20250423.12.gif