UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for U2845... Searching the city database file for: U2845 ... Date:0000Z 21 APR 25 Station: U2845 WMO ident: 22845 Latitude: 61.50 Longitude: 38.93 ------------------------------------------------------------------------------- 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 81 0 0 SFC 995 122 3.6 2.7 94 0.9 3.2 0 0 277.1 277.9 276.6 289.9 4.67 2 980 244 1.8 0.1 88 1.7 1.1 35 2 276.5 277.2 275.2 287.3 3.93 3 925 708 0.0 -1.4 90 1.4 -0.6 170 9 279.3 279.9 276.5 289.7 3.73 4 920 752 0.0 -1.3 91 1.3 -0.6 175 9 279.7 280.4 276.7 290.2 3.78 5 884 1073 1.4 0.5 94 0.9 1.0 213 12 284.4 285.2 280.0 297.0 4.48 6 850 1392 4.8 4.0 95 0.8 4.4 250 15 291.2 292.2 284.7 308.4 6.00 7 847 1421 4.8 4.0 95 0.8 4.4 250 15 291.5 292.5 284.8 308.8 6.02 8 700 2952 -4.1 -5.5 90 1.4 -4.7 265 31 297.9 298.6 284.9 308.8 3.62 9 648 3557 -7.5 -9.0 89 1.5 -8.1 263 31 300.7 301.3 285.3 309.9 2.98 10 639 3666 -7.1 -8.7 88 1.6 -7.7 262 32 302.4 303.0 286.0 312.0 3.10 11 629 3789 -8.9 -10.5 88 1.6 -9.5 262 32 301.7 302.2 285.4 310.2 2.73 12 530 5096 -16.9 -19.2 82 2.3 -17.5 257 33 307.3 307.6 286.2 312.4 1.58 13 500 5530 -20.9 -23.6 79 2.7 -21.5 255 33 307.6 307.8 285.8 311.3 1.14 14 489 5694 -22.7 -25.8 76 3.1 -23.3 255 33 307.3 307.5 285.5 310.5 0.96 15 400 7140 -32.7 -37.1 65 4.4 -33.2 250 38 312.5 312.6 286.7 313.9 0.40 16 392 7282 -33.5 -37.8 65 4.3 -34.0 250 39 313.3 313.3 286.9 314.6 0.38 17 336 8338 -43.1 -46.9 66 3.8 -43.3 247 44 314.3 314.3 287.1 314.9 0.17 18 300 9090 -48.7 -52.4 65 3.7 -48.8 245 48 316.7 316.7 287.8 317.1 0.10 19 270 9773 -53.7 -57.3 65 3.6 -53.8 245 48 319.1 319.1 288.5 319.4 0.06 20 267 9844 -55.3 -58.9 64 3.6 -55.4 245 48 317.8 317.8 288.1 318.0 0.05 21 250 10260 -57.7 -61.2 64 3.5 -57.8 245 48 320.3 320.3 288.9 320.4 0.04 22 246 10362 -58.3 -61.9 63 3.6 -58.3 250 48 320.9 320.9 289.0 321.0 0.04 23 216 11182 -58.5 -62.1 63 3.6 -58.6 253 40 332.7 332.7 292.5 332.9 0.04 24 200 11670 -56.1 -59.6 65 3.5 -56.2 255 36 343.9 343.9 295.3 344.2 0.06 25 171 12674 -51.9 -56.0 61 4.1 -52.1 266 34 366.6 366.7 300.1 367.2 0.11 26 150 13520 -52.9 -57.9 55 5.0 -53.1 275 33 378.9 378.9 302.2 379.4 0.10 27 118 15061 -54.7 -61.7 42 7.0 -55.0 278 29 402.5 402.5 305.6 402.9 0.08 28 100 16120 -54.7 -62.7 37 8.0 -55.1 280 27 422.0 422.1 308.0 422.5 0.08 29 70 18400 -54.1 -64.1 28 10.0 -54.7 290 23 468.6 468.7 312.5 469.2 0.10 30 57 19718 -55.7 -65.7 28 10.0 -56.3 302 23 493.4 493.4 314.5 494.0 0.10 31 52 20307 -53.5 -64.5 25 11.0 -54.4 308 23 511.6 511.7 315.8 512.4 0.13 32 50 20560 -53.7 -64.7 25 11.0 -54.6 310 23 516.9 517.0 316.2 517.7 0.13 33 42 21673 -56.7 -68.7 21 12.0 -57.5 535.9 536.0 317.3 536.5 0.09 34 35 22831 -55.9 -67.9 21 12.0 -56.9 566.7 566.7 319.0 567.5 0.12 TRP 246 10362 -58.3 -61.9 63 3.6 -58.3 250 48 320.9 320.9 289.0 321.0 0.04 WND Sounding variables and indices 1000-500 mb thick: 5449.00 m Freezing level: 767.72 mb = 2246.65 m = 7370.80 ft Wetbulb zero: 943.98 mb = 544.96 m = 1787.90 ft Precipitable water: 0.78 inches Sfc-500 mean rel hum: 88.88 % Est. max temperature: 17.98 C = 64.37 F Sfc-Lift cond lev (LCL): 981.28 mb = 233.79 m = 767.02 ft T: 1.96 C 700-500 lapse rate: 6.52 C/km ThetaE index: 2.58 C Layer 980.0- 925.0 mb Conv cond level (CCL): 692.69 mb = 3034.33 m = 9955.04 ft Mean mixing ratio: 3.94 g/kg Conv temperature: 24.75 C = 76.55 F Cap Strength: 15.95 C Lifted Index: 15.58 C Risk: None Lifted Index @300 mb: 19.25 C Lifted Index @700 mb: 11.76 C Showalter Index: 2.43 C Risk: Showers probable Total Totals Index: 50.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 24.90 C K Index: 28.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 178.89 Risk: None Energy Index: 0.57 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.78 J/kg Max Up Vert Vel: 6.60 m/s Conv Inhibition (B-): 37540.53 J/kg Cap Strength: 15.84 C Lift Cond Lev (LCL): 923.31 mb = 722.70 m = 2371.02 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 287 at 19 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 ---------------------------------------------------------- 0 995 122 0 0 -0.0 -0.0 | 107 19 -18.0 5.4 1 925 708 170 9 -1.6 8.9 | 126 24 -19.6 14.2 2 850 1392 250 15 14.1 5.1 | 159 11 -3.9 10.5 3 700 2952 265 31 30.9 2.7 | 238 15 12.9 8.1 4 500 5530 255 33 31.9 8.5 | 225 20 13.9 13.9 5 400 7140 250 38 35.7 13.0 | 224 25 17.7 18.4 6 300 9090 245 48 43.5 20.3 | 225 36 25.5 25.6 7 250 10260 245 48 43.5 20.3 | 225 36 25.5 25.6 8 246 10362 250 48 45.1 16.4 | 231 35 27.1 21.8 9 200 11670 255 36 34.8 9.3 | 229 22 16.8 14.7 10 150 13520 275 33 32.9 -2.9 | 261 15 14.9 2.5 11 100 16120 280 27 26.6 -4.7 | 266 9 8.6 0.7 12 70 18400 290 23 21.6 -7.9 | 305 4 3.6 -2.5 13 50 20560 310 23 17.6 -14.8 | 2 9 -0.4 -9.4 Wind Parameters Mean winds (0-6000m): 256.5 at 25.1 knts Storm direction: 286.5 at 18.8 knts Shear (0-3000m) pos: 5.3 neg: 0.0 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 130.4 deg Storm rel helicity (0-3000m) pos: 179.0 neg: -11.5 tot: 167.5 m^2/s^2 ave: 55.8 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 8.8 stream: 6.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.27 Bulk Shear: 81.67 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 ------------------------------------------------------------------------------- 500 174 4 116 21| 7.9 0.0 7.9| 46.7 -10.8 35.8 71.6 0.41| 13.1 5.3 1000 187 7 126 21| 6.5 0.0 6.5|115.1 -10.8 104.2 104.2 0.63| 13.6 8.5 1500 220 10 137 17| 6.0 0.0 6.0|136.0 -10.8 125.2 83.5 0.61| 12.6 7.7 2000 236 12 147 14| 5.8 0.0 5.8|151.3 -10.8 140.5 70.2 0.66| 10.8 7.1 2500 246 15 158 12| 5.7 0.0 5.7|167.6 -10.8 156.8 62.7 0.69| 9.8 6.8 3000 252 17 172 11| 5.3 0.0 5.3|179.0 -11.5 167.5 55.8 0.69| 8.8 6.1 4000 256 21 192 10| 4.0 0.3 4.3|179.0 -18.0 161.0 40.2 0.64| 6.9 4.4 5000 257 23 204 12| 3.2 0.5 3.7|179.0 -25.3 153.7 30.7 0.58| 5.8 3.4 6000 257 25 210 13| 2.7 0.6 3.3|179.0 -28.8 150.2 25.0 0.54| 5.1 2.8 Wrote GIF file: /home/apache/climate/data/raob//U2845/skewt/U2845.skewt.20250421.00.gif