UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112700.upa.cvt Date: 0000Z 27 NOV 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 27 NOV 25 Station: U6781 WMO ident: 26781 Latitude: 54.75 Longitude: 32.07 ------------------------------------------------------------------------------- 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 138 SFC 987 245 5.2 3.7 90 1.5 4.5 160 9 279.4 280.3 278.3 293.3 5.05 2 925 772 3.8 2.7 93 1.1 3.3 190 17 283.2 284.1 280.1 297.2 5.02 3 911 897 3.6 2.5 93 1.1 3.1 195 18 284.2 285.1 280.6 298.3 5.03 4 850 1459 0.6 -1.0 89 1.6 -0.1 215 21 286.8 287.5 280.8 298.7 4.18 5 778 2168 -3.3 -4.6 91 1.3 -3.8 206 21 289.9 290.6 281.4 300.1 3.49 6 700 3000 -7.9 -12.0 72 4.1 -9.2 195 21 293.7 294.1 281.4 300.3 2.17 7 645 3630 -11.1 -19.1 52 8.0 -13.2 205 23 297.1 297.3 281.8 301.2 1.31 8 571 4554 -15.5 -23.5 50 8.0 -17.3 219 27 302.4 302.6 283.7 305.7 1.01 9 500 5540 -22.1 -31.1 44 9.0 -23.6 235 31 306.1 306.2 284.6 308.0 0.57 10 412 6933 -33.1 -40.1 50 7.0 -33.7 226 41 309.3 309.4 285.4 310.3 0.28 11 400 7140 -35.1 -41.1 54 6.0 -35.6 225 42 309.4 309.4 285.4 310.3 0.26 12 300 9070 -52.5 -56.4 63 3.9 -52.6 230 46 311.3 311.4 285.9 311.6 0.06 13 297 9135 -54.1 -58.0 62 3.9 -54.2 229 46 310.0 310.0 285.4 310.2 0.05 14 250 10220 -62.7 -66.3 62 3.6 -62.7 220 54 312.9 312.9 286.4 312.9 0.02 15 229 10756 -66.5 -69.9 62 3.4 -66.5 231 53 315.0 315.0 287.1 315.1 0.01 16 221 10969 -69.3 -73.1 58 3.8 -69.3 235 52 313.9 313.9 286.7 314.0 0.01 17 200 11570 -65.9 -69.5 61 3.6 -65.9 235 36 328.4 328.4 291.3 328.5 0.02 18 170 12556 -63.3 -67.1 60 3.8 -63.3 241 33 348.3 348.3 296.3 348.5 0.03 19 150 13320 -64.1 -67.9 60 3.8 -64.1 245 31 359.7 359.7 298.7 359.8 0.03 20 101 15730 -65.5 -69.6 57 4.1 -65.5 269 29 400.0 400.0 305.2 400.2 0.03 21 100 15790 -65.5 -69.6 57 4.1 -65.5 270 29 401.2 401.2 305.4 401.3 0.03 22 70 17940 -68.3 -73.2 49 4.9 -68.4 265 35 438.3 438.3 309.7 438.4 0.03 23 61 18762 -70.5 -75.2 50 4.7 -70.6 269 36 451.0 451.0 311.0 451.1 0.02 24 50 19950 -68.5 -73.5 48 5.0 -68.6 275 38 482.1 482.1 313.6 482.3 0.04 25 30 22980 -70.5 -76.5 41 6.0 -70.6 260 40 552.4 552.5 318.2 552.7 0.04 26 28 23390 -69.9 -75.9 41 6.0 -70.1 565.1 565.1 318.9 565.4 0.05 TRP 221 10969 -69.3 -73.1 58 3.8 -69.3 235 52 313.9 313.9 286.7 314.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5402.00 m Freezing level: 838.92 mb = 1568.03 m = 5144.39 ft Wetbulb zero: 851.88 mb = 1441.09 m = 4727.92 ft Precipitable water: 0.58 inches Sfc-500 mean rel hum: 70.18 % Est. max temperature: 13.10 C = 55.59 F Sfc-Lift cond lev (LCL): 964.43 mb = 432.71 m = 1419.63 ft T: 4.70 C 700-500 lapse rate: 5.59 C/km Conv cond level (CCL): 874.07 mb = 1232.41 m = 4043.29 ft Mean mixing ratio: 4.99 g/kg Conv temperature: 11.53 C = 52.75 F Cap Strength: 7.86 C Lifted Index: 9.40 C Risk: None Lifted Index @300 mb: 10.70 C Lifted Index @700 mb: 3.68 C Showalter Index: 7.76 C Risk: None Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 21.10 C K Index: 17.60 Risk: < 20 % chance of thunderstorms Sweat Index: 140.75 Risk: None Energy Index: 1.91 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.39 J/kg Max Up Vert Vel: 6.69 m/s Conv Inhibition (B-): 30102.01 J/kg Cap Strength: 9.22 C Lift Cond Lev (LCL): 917.61 mb = 837.46 m = 2747.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 245 at 18 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 ---------------------------------------------------------- 0 987 245 160 9 -3.1 8.5 | 93 19 -19.3 1.0 1 925 772 190 17 3.0 16.7 | 125 16 -13.2 9.2 2 850 1459 215 21 12.0 17.2 | 157 11 -4.1 9.7 3 700 3000 195 21 5.4 20.3 | 140 17 -10.7 12.8 4 500 5540 235 31 25.4 17.8 | 222 14 9.2 10.3 5 400 7140 225 42 29.7 29.7 | 211 26 13.5 22.2 6 300 9070 230 46 35.2 29.6 | 221 29 19.1 22.1 7 250 10220 220 54 34.7 41.4 | 209 39 18.5 33.9 8 221 10969 235 52 42.6 29.8 | 230 35 26.4 22.3 9 200 11570 235 36 29.5 20.6 | 225 19 13.3 13.1 10 150 13320 245 31 28.1 13.1 | 245 13 11.9 5.6 11 100 15790 270 29 29.0 -0.0 | 300 15 12.8 -7.5 12 70 17940 265 35 34.9 3.1 | 283 19 18.7 -4.5 13 50 19950 275 38 37.9 -3.3 | 297 24 21.7 -10.8 14 30 22980 260 40 39.4 6.9 | 271 23 23.2 -0.6 Wind Parameters Mean winds (0-6000m): 215.1 at 23.8 knts Storm direction: 245.1 at 17.8 knts Shear (0-3000m) pos: 3.1 neg: 0.8 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 52.8 deg Storm rel helicity (0-3000m) pos: 79.1 neg: -13.3 tot: 65.8 m^2/s^2 ave: 21.9 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.71 Bulk Shear: 31.43 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 ------------------------------------------------------------------------------- 500 179 13 108 17| 10.0 0.0 10.0| 45.1 0.0 45.1 90.1 0.95| 10.2 9.7 1000 191 16 120 15| 7.8 0.0 7.8| 65.8 0.0 65.8 65.8 0.89| 8.6 7.7 1500 200 17 130 14| 5.8 0.0 5.8| 72.7 -1.6 71.1 47.4 0.80| 7.1 5.7 2000 202 18 135 13| 4.3 0.6 5.0| 72.7 -5.9 66.8 33.4 0.67| 5.9 3.9 2500 202 19 137 13| 3.5 1.0 4.5| 72.7 -11.0 61.7 24.7 0.55| 5.2 2.9 3000 201 19 138 14| 3.1 0.8 3.9| 79.1 -13.3 65.8 21.9 0.53| 4.8 2.6 4000 203 20 144 14| 3.2 0.6 3.8|108.0 -13.3 94.7 23.7 0.63| 4.6 2.9 5000 209 22 155 13| 3.2 0.5 3.7|138.4 -13.3 125.1 25.0 0.70| 4.6 3.2 6000 215 24 168 12| 3.0 0.5 3.5|148.1 -19.3 128.8 21.5 0.61| 4.5 2.8 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251127.00.gif