UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050112.upa.cvt Date: 1200Z 1 MAY 25 Searching for U8661... Searching the city database file for: U8661 ... Date:1200Z 1 MAY 25 Station: U8661 WMO ident: 28661 Latitude: 55.47 Longitude: 65.40 ------------------------------------------------------------------------------- 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 1006 72 18.0 -2.0 26 20.0 8.6 220 9 290.7 291.2 281.4 300.3 3.28 1 1000 123 16.0 -3.0 27 19.0 7.3 225 15 289.1 289.7 280.5 298.1 3.06 2 993 182 15.0 -4.0 27 19.0 6.6 226 16 288.7 289.2 280.0 297.1 2.86 3 925 776 9.8 -5.2 34 15.0 3.4 235 25 289.3 289.8 280.3 297.5 2.80 4 850 1469 2.6 -8.4 44 11.0 -1.6 245 25 288.9 289.3 279.5 295.9 2.38 5 744 2527 -7.3 -13.3 62 6.0 -9.1 259 25 289.3 289.6 279.0 294.8 1.84 6 702 2978 -10.5 -14.6 72 4.1 -11.7 265 25 290.6 290.9 279.5 295.9 1.75 7 700 3000 -10.5 -14.6 72 4.1 -11.7 265 25 290.9 291.2 279.6 296.2 1.76 8 675 3278 -11.5 -16.2 68 4.7 -12.8 263 26 292.8 293.1 280.3 297.7 1.60 9 638 3708 -13.5 -19.5 61 6.0 -15.0 259 28 295.3 295.5 281.0 299.3 1.28 10 617 3960 -16.3 -23.3 55 7.0 -17.8 257 29 294.9 295.1 280.4 297.9 0.95 11 612 4021 -16.3 -23.3 55 7.0 -17.8 257 29 295.6 295.7 280.7 298.6 0.96 12 573 4513 -18.9 -36.9 19 18.0 -21.3 253 32 298.1 298.2 281.0 299.1 0.28 13 500 5510 -26.5 -42.5 21 16.0 -28.0 245 36 300.7 300.8 281.9 301.4 0.18 14 422 6719 -34.7 -44.7 36 10.0 -35.4 241 51 305.2 305.2 283.7 305.8 0.17 15 402 7056 -38.9 -46.9 43 8.0 -39.4 240 56 304.0 304.0 283.2 304.5 0.14 16 400 7090 -38.9 -46.9 43 8.0 -39.4 240 56 304.4 304.5 283.4 304.9 0.14 17 386 7334 -40.5 -48.5 42 8.0 -40.9 239 58 305.4 305.5 283.7 305.9 0.12 18 359 7824 -44.3 -51.3 46 7.0 -44.6 238 62 306.8 306.8 284.2 307.1 0.09 19 300 9010 -51.5 -60.5 33 9.0 -51.7 235 73 312.8 312.8 286.4 312.9 0.04 20 286 9318 -52.9 -61.9 33 9.0 -53.1 240 73 315.0 315.0 287.1 315.1 0.03 21 275 9569 -54.1 -63.1 32 9.0 -54.2 240 66 316.9 316.9 287.8 317.0 0.03 22 250 10180 -53.1 -63.1 29 10.0 -53.3 245 58 327.1 327.1 290.9 327.3 0.03 23 200 11630 -49.5 -63.5 18 14.0 -49.9 245 48 354.4 354.4 297.6 354.5 0.04 24 150 13510 -50.1 -69.1 9 19.0 -50.7 255 46 383.7 383.7 302.9 383.9 0.02 25 100 16140 -51.7 -74.7 5 23.0 -52.4 260 36 427.8 427.8 308.6 427.9 0.02 26 97 16338 -51.9 -74.9 5 23.0 -52.7 260 36 431.2 431.2 309.0 431.3 0.02 27 70 18450 -52.9 -76.9 4 24.0 -53.8 260 33 471.2 471.2 312.7 471.3 0.02 28 64 19025 -54.3 -78.3 4 24.0 -55.2 261 29 480.4 480.4 313.5 480.5 0.01 29 61 19334 -51.7 -76.7 3 25.0 -52.9 262 27 492.8 492.8 314.4 492.9 0.02 30 53 20237 -54.9 -78.9 4 24.0 -55.9 264 21 505.6 505.6 315.4 505.7 0.01 31 51 20483 -54.3 -78.3 4 24.0 -55.4 265 20 512.6 512.6 315.8 512.7 0.02 32 50 20610 -53.9 -77.9 4 24.0 -55.0 265 19 516.5 516.5 316.1 516.6 0.02 33 47 21006 -55.1 -79.1 4 24.0 -56.1 262 18 522.8 522.8 316.5 522.9 0.02 34 44 21429 -52.5 -76.5 4 24.0 -53.9 259 16 539.1 539.1 317.5 539.3 0.03 35 44 21429 -53.1 -77.1 4 24.0 -54.5 259 16 537.6 537.7 317.4 537.8 0.02 36 41 21882 -54.3 -78.3 4 24.0 -55.6 255 14 545.6 545.6 317.9 545.8 0.02 37 40 22041 -51.5 -76.5 3 25.0 -53.2 254 14 556.5 556.5 318.5 556.7 0.03 38 30 23900 -53.1 -77.1 4 24.0 -54.9 240 7 599.9 599.9 320.6 600.1 0.04 39 30 23900 -53.3 -77.3 4 24.0 -55.1 240 7 599.3 599.3 320.6 599.6 0.03 40 26 24821 -53.3 -77.3 4 24.0 -55.4 180 8 624.4 624.4 321.7 624.7 0.04 41 26 24821 -53.7 -77.7 4 24.0 -55.7 180 8 623.2 623.3 321.6 623.5 0.04 42 25 25074 -51.1 -76.1 4 25.0 -53.7 164 8 637.7 637.8 322.2 638.1 0.05 43 20 26520 -52.3 -76.3 4 24.0 -55.1 70 9 676.1 676.1 323.6 676.6 0.06 44 18 27203 -51.3 -76.3 4 25.0 -54.6 699.9 700.0 324.4 700.5 0.07 45 16 27971 -49.9 -74.9 4 25.0 -53.9 728.5 728.5 325.3 729.3 0.09 TRP 275 9569 -54.1 -63.1 32 9.0 -54.2 240 66 316.9 316.9 287.8 317.0 0.03 WND 286 9318 -52.9 -61.9 33 9.0 -53.1 240 73 315.0 315.0 287.1 315.1 0.03 Sounding variables and indices 1000-500 mb thick: 5387.00 m Freezing level: 822.16 mb = 1746.98 m = 5731.50 ft Wetbulb zero: 873.53 mb = 1245.25 m = 4085.41 ft Precipitable water: 0.37 inches Sfc-500 mean rel hum: 43.84 % Est. max temperature: 16.26 C = 61.27 F Sfc-Lift cond lev (LCL): 744.45 mb = 2522.61 m = 8276.19 ft T: -7.25 C 700-500 lapse rate: 6.37 C/km ThetaE index: 3.17 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 733.99 mb = 2632.48 m = 8636.63 ft Mean mixing ratio: 2.84 g/kg Conv temperature: 16.96 C = 62.54 F Cap Strength: 3.52 C Lifted Index: 4.24 C Risk: None Lifted Index @300 mb: 10.94 C Lifted Index @700 mb: 0.44 C Showalter Index: 5.36 C Risk: None Total Totals Index: 47.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 29.10 C Cross Totals Index: 18.10 C K Index: 16.60 Risk: < 20 % chance of thunderstorms Sweat Index: 86.00 Risk: None Energy Index: 1.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.13 J/kg Max Up Vert Vel: 2.88 m/s Conv Inhibition (B-): 54143.61 J/kg Cap Strength: 4.14 C Lift Cond Lev (LCL): 739.16 mb = 2578.11 m = 8458.26 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 279 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 1006 72 220 9 5.8 6.9 | 124 18 -15.1 10.3 1 1000 123 225 15 10.6 10.6 | 144 17 -10.2 14.1 2 925 776 235 25 20.5 14.3 | 179 18 -0.4 17.8 3 850 1469 245 25 22.7 10.6 | 187 14 1.8 14.0 4 700 3000 265 25 24.9 2.2 | 216 7 4.1 5.6 5 500 5510 245 36 32.6 15.2 | 212 22 11.8 18.7 6 400 7090 240 56 48.5 28.0 | 221 42 27.6 31.5 7 300 9010 235 73 59.8 41.9 | 221 60 38.9 45.3 8 286 9318 240 73 63.2 36.5 | 227 58 42.4 40.0 9 275 9569 240 66 57.2 33.0 | 225 51 36.3 36.5 10 250 10180 245 58 52.6 24.5 | 229 42 31.7 28.0 11 200 11630 245 48 43.5 20.3 | 224 33 22.7 23.7 12 150 13510 255 46 44.4 11.9 | 237 28 23.6 15.4 13 100 16140 260 36 35.5 6.3 | 236 18 14.6 9.7 14 70 18450 260 33 32.5 5.7 | 232 15 11.6 9.2 15 50 20610 265 19 18.9 1.7 | 159 5 -1.9 5.1 16 30 23900 240 7 6.1 3.5 | 115 16 -14.8 7.0 17 20 26520 70 9 -8.5 -3.1 | 91 29 -29.3 0.4 Wind Parameters Mean winds (0-6000m): 249.4 at 28.2 knts Storm direction: 279.4 at 21.1 knts Shear (0-3000m) pos: 3.4 neg: 0.0 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 91.8 deg Storm rel helicity (0-3000m) pos: 99.9 neg: 0.0 tot: 99.9 m^2/s^2 ave: 33.3 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 4.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.18 Bulk Shear: 22.88 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 ------------------------------------------------------------------------------- 500 229 18 154 17| 13.6 0.0 13.6| 60.8 0.0 60.8 121.5 0.99| 13.7 13.7 1000 233 21 166 17| 8.6 0.0 8.6| 80.9 0.0 80.9 80.9 0.95| 9.5 9.1 1500 237 22 172 16| 6.0 0.0 6.0| 87.4 0.0 87.4 58.3 0.89| 7.4 6.6 2000 240 23 177 15| 4.7 0.0 4.7| 92.5 0.0 92.5 46.2 0.85| 6.3 5.4 2500 244 23 181 14| 3.9 0.0 3.9| 96.7 0.0 96.7 38.7 0.82| 5.6 4.6 3000 247 24 185 13| 3.4 0.0 3.4| 99.9 0.0 99.9 33.3 0.80| 5.1 4.1 4000 251 25 192 12| 2.6 0.7 3.3|100.5 -0.3 100.2 25.0 0.68| 4.6 3.1 5000 251 26 198 13| 2.0 1.2 3.3|100.5 -4.6 95.9 19.2 0.55| 4.3 2.4 6000 249 28 202 14| 1.7 1.8 3.6|115.8 -8.2 107.6 17.9 0.48| 4.5 2.1 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20250501.12.gif