UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for U6298... Searching the city database file for: U6298 ... Date:1200Z 21 APR 25 Station: U6298 WMO ident: 26298 Latitude: 57.90 Longitude: 34.05 ------------------------------------------------------------------------------- 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 74 SFC 987 186 20.2 11.2 56 9.0 14.7 135 1 294.4 296.0 288.4 318.9 8.49 2 979 256 18.4 9.4 56 9.0 13.1 146 3 293.3 294.7 287.1 315.1 7.57 3 925 736 15.2 6.2 55 9.0 10.2 225 13 294.9 296.0 286.6 313.6 6.43 4 850 1444 8.2 2.2 66 6.0 5.1 230 23 294.7 295.7 285.4 310.2 5.28 5 745 2514 -0.9 -6.9 64 6.0 -3.3 237 30 296.2 296.7 283.5 305.3 3.06 6 700 3009 -3.9 -8.9 68 5.0 -5.8 240 33 298.2 298.7 284.0 306.6 2.78 7 647 3626 -8.7 -12.3 75 3.6 -9.9 240 33 299.5 299.9 284.0 306.6 2.30 8 618 3981 -9.3 -14.3 67 5.0 -10.9 240 34 302.8 303.2 285.0 309.2 2.04 9 509 5449 -21.5 -26.1 66 4.6 -22.4 240 35 305.3 305.4 284.7 308.2 0.89 10 500 5580 -22.5 -26.8 68 4.3 -23.3 240 35 305.6 305.8 284.7 308.4 0.85 11 449 6364 -26.7 -29.8 75 3.1 -27.2 247 43 309.9 310.0 286.1 312.3 0.72 12 400 7190 -32.5 -36.4 68 3.9 -32.9 255 52 312.7 312.8 286.8 314.2 0.42 13 395 7278 -32.9 -36.8 68 3.9 -33.3 255 52 313.4 313.4 287.0 314.8 0.41 14 300 9150 -47.7 -51.7 63 4.0 -47.9 245 50 318.1 318.1 288.3 318.5 0.11 15 279 9627 -51.5 -55.5 62 4.0 -51.6 247 53 319.3 319.3 288.6 319.6 0.07 16 278 9650 -53.1 -57.4 59 4.3 -53.2 247 54 317.3 317.4 287.9 317.6 0.06 17 256 10179 -55.7 -59.8 60 4.1 -55.8 250 57 321.1 321.1 289.1 321.3 0.05 18 253 10254 -57.2 -61.6 57 4.4 -57.3 250 58 319.9 319.9 288.8 320.1 0.04 19 252 10280 -57.7 -62.2 56 4.5 -57.8 250 58 319.6 319.6 288.6 319.7 0.04 20 250 10330 -57.7 -62.2 56 4.5 -57.8 250 56 320.3 320.3 288.9 320.4 0.04 21 200 11750 -53.7 -58.7 54 5.0 -53.8 255 33 347.7 347.7 296.2 348.0 0.07 22 163 13070 -50.7 -57.7 43 7.0 -51.0 266 29 373.7 373.7 301.3 374.2 0.10 23 150 13610 -50.5 -58.5 38 8.0 -50.9 270 27 383.1 383.1 302.8 383.5 0.10 24 102 16094 -54.5 -64.5 28 10.0 -54.9 265 23 420.0 420.1 307.7 420.4 0.06 25 100 16220 -54.7 -64.7 28 10.0 -55.1 265 23 422.0 422.1 308.0 422.4 0.06 26 70 18500 -54.7 -67.7 19 13.0 -55.4 285 15 467.4 467.4 312.4 467.7 0.06 27 50 20640 -55.5 -71.5 12 16.0 -56.3 300 13 512.7 512.7 315.8 513.0 0.05 28 37 22566 -56.3 -74.3 9 18.0 -57.3 312 12 556.7 556.8 318.5 557.0 0.04 29 30 23910 -54.3 -73.3 8 19.0 -55.9 320 11 596.6 596.6 320.5 597.1 0.06 30 20 26490 -54.9 -74.9 7 20.0 -57.0 340 9 668.1 668.2 323.4 668.7 0.07 31 15 28322 -56.3 -76.3 6 20.0 -58.6 344 11 720.8 720.8 325.1 721.5 0.08 32 10 30940 -48.9 -69.9 7 21.0 -54.4 350 13 837.0 837.2 328.2 840.2 0.31 33 10 30940 -49.1 -70.1 7 21.0 -54.5 350 13 836.3 836.4 328.1 839.4 0.30 34 9.3 31415 -50.1 -71.1 7 21.0 -55.4 850.0 850.1 328.5 853.0 0.28 TRP 252 10280 -57.7 -62.2 56 4.5 -57.8 250 58 319.6 319.6 288.6 319.7 0.04 WND 253 10254 -57.2 -61.6 57 4.4 -57.3 250 58 319.9 319.9 288.8 320.1 0.04 Sounding variables and indices 1000-500 mb thick: 5506.00 m Freezing level: 755.38 mb = 2408.48 m = 7901.73 ft Wetbulb zero: 786.32 mb = 2076.18 m = 6811.54 ft Precipitable water: 0.77 inches Sfc-500 mean rel hum: 65.25 % Est. max temperature: 20.67 C = 69.20 F Sfc-Lift cond lev (LCL): 863.63 mb = 1310.83 m = 4300.58 ft T: 9.52 C 700-500 lapse rate: 7.23 C/km ThetaE index: 13.54 C Layer 979.0- 700.0 mb Conv cond level (CCL): 811.04 mb = 1824.92 m = 5987.21 ft Mean mixing ratio: 6.74 g/kg Conv temperature: 21.03 C = 69.85 F Cap Strength: 0.72 C Lifted Index: -2.60 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 3.32 C Lifted Index @700 mb: -1.63 C Showalter Index: -0.31 C Risk: Thunderstorms probable Total Totals Index: 55.40 C Risk: Severe Thunderstorms probable Vertical Totals Index: 30.70 C Cross Totals Index: 24.70 C K Index: 27.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 282.11 Risk: None Energy Index: -0.37 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 288.67 J/kg Max Up Vert Vel: 24.03 m/s Conv Inhibition (B-): 18.27 J/kg Cap Strength: 0.72 C Lift Cond Lev (LCL): 821.94 mb = 1716.49 m = 5631.47 ft Lev Free Conv (LFC): 796.94 mb = 1967.23 m = 6454.10 ft Equ Level (EL): 416.94 mb = 6893.67 m = 22616.76 ft B at Equ Level: 287.06 J/kg Max Parcel Lev (MPL): 266.94 mb = 9910.62 m = 32514.78 ft Wind level data Storm motion: 268 at 22 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 ---------------------------------------------------------- 0 987 186 135 1 -0.7 0.7 | 90 22 -22.3 0.0 1 925 736 225 13 9.2 9.2 | 124 15 -12.4 8.5 2 850 1444 230 23 17.6 14.8 | 164 15 -4.0 14.1 3 700 3009 240 33 28.6 16.5 | 204 17 7.0 15.8 4 500 5580 240 35 30.3 17.5 | 207 19 8.7 16.8 5 400 7190 255 52 50.2 13.5 | 246 31 28.6 12.8 6 300 9150 245 50 45.3 21.1 | 229 31 23.7 20.5 7 253 10254 250 58 54.5 19.8 | 240 38 32.9 19.2 8 252 10280 250 58 54.5 19.8 | 240 38 32.9 19.2 9 250 10330 250 56 52.6 19.2 | 239 36 31.0 18.5 10 200 11750 255 33 31.9 8.5 | 233 13 10.3 7.9 11 150 13610 270 27 27.0 -0.0 | 277 5 5.4 -0.7 12 100 16220 265 23 22.9 2.0 | 225 2 1.3 1.3 13 70 18500 285 15 14.5 -3.9 | 57 8 -7.1 -4.6 14 50 20640 300 13 11.3 -6.5 | 55 13 -10.3 -7.2 15 30 23910 320 11 7.1 -8.4 | 58 17 -14.5 -9.1 16 20 26490 340 9 3.1 -8.5 | 64 21 -18.5 -9.1 17 10 30940 350 13 2.3 -12.8 | 55 24 -19.3 -13.5 Wind Parameters Mean winds (0-6000m): 238.2 at 28.8 knts Storm direction: 268.2 at 21.6 knts Shear (0-3000m) pos: 5.7 neg: 0.0 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 114.0 deg Storm rel helicity (0-3000m) pos: 154.4 neg: 0.0 tot: 154.4 m^2/s^2 ave: 51.5 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 5.8 10^-3/s Energy-Hel index: 0.23 Bulk Rich Number: 4.21 Bulk Shear: 68.51 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 ------------------------------------------------------------------------------- 500 220 6 104 18| 12.2 0.0 12.2| 67.7 0.0 67.7 135.3 0.81| 15.0 12.2 1000 225 11 118 16| 10.0 0.0 10.0| 95.6 0.0 95.6 95.6 0.83| 11.8 9.8 1500 228 15 131 14| 8.5 0.0 8.5|116.0 0.0 116.0 77.4 0.86| 9.7 8.4 2000 230 18 143 13| 7.2 0.0 7.2|129.8 0.0 129.8 64.9 0.87| 8.2 7.2 2500 232 20 154 13| 6.4 0.0 6.4|144.2 0.0 144.2 57.7 0.88| 7.3 6.4 3000 234 22 164 13| 5.7 0.0 5.7|154.4 0.0 154.4 51.5 0.88| 6.5 5.8 4000 236 25 176 13| 4.3 0.1 4.4|156.5 0.0 156.5 39.1 0.88| 5.0 4.4 5000 237 27 185 14| 3.4 0.2 3.6|158.6 0.0 158.6 31.7 0.87| 4.1 3.5 6000 238 29 191 15| 3.4 0.1 3.6|193.7 0.0 193.7 32.3 0.86| 4.0 3.5 Wrote GIF file: /home/apache/climate/data/raob//U6298/skewt/U6298.skewt.20250421.12.gif