UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102900.upa.cvt Date: 0000Z 29 OCT 25 Searching for X8341... Searching the city database file for: X8341 ... Date:0000Z 29 OCT 25 Station: X8341 WMO ident: 38341 Latitude: 42.85 Longitude: 71.38 ------------------------------------------------------------------------------- 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 157 SFC 943 653 12.0 8.8 81 3.2 10.2 220 1 290.0 291.3 285.8 311.4 7.55 2 936 716 13.4 9.9 79 3.5 11.3 201 4 292.0 293.5 287.2 315.4 8.20 3 925 816 13.4 9.5 77 3.9 11.1 170 9 293.0 294.5 287.5 316.2 8.08 4 919 871 13.2 9.1 76 4.1 10.8 176 9 293.4 294.8 287.5 316.1 7.91 5 901 1037 11.8 3.8 58 8.0 7.6 195 10 293.6 294.6 285.2 309.8 5.58 6 850 1522 8.0 0.0 57 8.0 4.1 250 11 294.5 295.3 284.5 307.8 4.50 7 786 2162 3.2 -3.8 60 7.0 0.1 252 13 296.1 296.7 284.2 307.0 3.67 8 704 3046 -3.1 -3.1 100 0.0 -3.1 255 17 298.6 299.4 285.8 311.5 4.32 9 700 3091 -3.1 -3.1 100 0.0 -3.1 255 17 299.1 299.8 286.1 312.1 4.35 10 621 4026 -9.5 -9.5 100 0.0 -9.5 257 19 302.1 302.7 285.8 311.4 2.99 11 591 4407 -10.1 -10.2 99 0.1 -10.1 258 20 305.7 306.3 287.1 315.1 2.98 12 500 5670 -20.1 -22.4 82 2.3 -20.6 260 23 308.5 308.8 286.3 312.7 1.27 13 479 5987 -22.7 -25.3 79 2.6 -23.2 256 29 309.1 309.3 286.2 312.5 1.02 14 438 6640 -26.1 -29.3 74 3.2 -26.6 248 40 312.8 313.0 287.2 315.5 0.77 15 400 7290 -31.5 -35.0 71 3.5 -31.9 240 52 314.0 314.1 287.3 315.8 0.49 16 383 7597 -34.1 -37.8 69 3.7 -34.5 235 58 314.6 314.6 287.4 315.9 0.38 17 300 9260 -48.7 -53.7 56 5.0 -48.8 220 54 316.7 316.7 287.8 317.0 0.09 18 262 10131 -56.3 -62.3 47 6.0 -56.4 235 44 318.1 318.1 288.2 318.2 0.03 19 255 10303 -53.3 -58.3 54 5.0 -53.4 247 38 325.0 325.0 290.3 325.2 0.06 20 250 10430 -53.9 -58.9 54 5.0 -54.0 255 33 325.9 325.9 290.6 326.2 0.05 21 210 11555 -52.5 -58.5 48 6.0 -52.7 282 27 344.8 344.8 295.5 345.1 0.07 22 200 11870 -53.5 -59.5 48 6.0 -53.7 290 25 348.0 348.1 296.3 348.3 0.06 23 150 13710 -56.9 -62.9 47 6.0 -57.1 280 50 372.0 372.1 300.9 372.3 0.05 24 100 16250 -61.7 -70.7 29 9.0 -61.9 290 40 408.5 408.5 306.3 408.7 0.03 25 82 17484 -60.3 -70.3 26 10.0 -60.6 296 35 435.2 435.2 309.4 435.4 0.04 26 74 18118 -63.9 -74.9 21 11.0 -64.1 298 32 440.6 440.6 310.0 440.7 0.02 27 70 18460 -62.7 -74.7 18 12.0 -63.0 300 31 450.2 450.3 310.9 450.4 0.02 28 65 18917 -60.5 -73.5 17 13.0 -60.9 299 29 464.7 464.7 312.2 464.9 0.03 29 50 20540 -62.1 -79.1 9 17.0 -62.5 295 21 497.1 497.1 314.8 497.2 0.02 30 38 22245 -61.1 -88.1 2 27.0 -61.7 303 20 540.3 540.3 317.5 540.3 0.00 31 30 23730 -57.3 -88.3 1 31.0 -58.5 310 19 588.4 588.4 320.0 588.5 0.01 32 20 26300 -52.1 -84.1 1 32.0 -55.0 280 29 676.7 676.7 323.7 676.8 0.02 33 14 28619 -49.1 -82.1 1 33.0 -53.8 280 39 759.5 759.6 326.2 759.8 0.03 34 12 29624 -51.3 -84.3 1 33.0 -55.7 280 43 786.0 786.0 326.9 786.2 0.03 35 10 30820 -46.5 -80.5 1 34.0 -53.5 280 48 846.0 846.0 328.3 846.6 0.06 36 9.9 30887 -46.5 -80.5 1 34.0 -53.5 848.4 848.4 328.4 849.0 0.06 TRP 262 10131 -56.3 -62.3 47 6.0 -56.4 235 44 318.1 318.1 288.2 318.2 0.03 WND 383 7597 -34.1 -37.8 69 3.7 -34.5 235 58 314.6 314.6 287.4 315.9 0.38 Sounding variables and indices 1000-500 mb thick: 5513.00 m Freezing level: 744.35 mb = 2611.17 m = 8566.72 ft Wetbulb zero: 783.97 mb = 2183.21 m = 7162.68 ft Precipitable water: 0.75 inches Sfc-500 mean rel hum: 83.07 % Est. max temperature: 17.81 C = 64.06 F Sfc-Lift cond lev (LCL): 898.54 mb = 1059.80 m = 3476.98 ft T: 11.62 C 700-500 lapse rate: 6.59 C/km ThetaE index: 9.17 C Layer 919.0- 704.0 mb Conv cond level (CCL): 779.43 mb = 2229.73 m = 7315.30 ft Mean mixing ratio: 5.98 g/kg Conv temperature: 18.17 C = 64.70 F Cap Strength: 2.30 C Lifted Index: 1.62 C Risk: Showers probable Lifted Index @300 mb: 4.37 C Lifted Index @700 mb: 0.57 C Showalter Index: 3.64 C Risk: None Total Totals Index: 48.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.10 C Cross Totals Index: 20.10 C K Index: 28.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 45.00 Risk: None Energy Index: 1.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.34 J/kg Max Up Vert Vel: 4.55 m/s Conv Inhibition (B-): 61585.94 J/kg Cap Strength: 2.28 C Lift Cond Lev (LCL): 810.17 mb = 1914.64 m = 6281.56 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 283 at 14 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 ---------------------------------------------------------- 0 943 653 220 1 0.6 0.8 | 107 14 -13.2 4.0 1 925 816 170 9 -1.6 8.9 | 128 20 -15.4 12.1 2 850 1522 250 11 10.3 3.8 | 153 8 -3.5 7.0 3 700 3091 255 17 16.4 4.4 | 198 8 2.6 7.6 4 500 5670 260 23 22.7 4.0 | 231 11 8.8 7.2 5 400 7290 240 52 45.0 26.0 | 227 43 31.2 29.2 6 383 7597 235 58 47.5 33.3 | 223 50 33.6 36.5 7 300 9260 220 54 34.7 41.4 | 205 49 20.8 44.6 8 262 10131 235 44 36.0 25.2 | 218 36 22.2 28.5 9 250 10430 255 33 31.9 8.5 | 237 22 18.0 11.8 10 200 11870 290 25 23.5 -8.6 | 299 11 9.6 -5.3 11 150 13710 280 50 49.2 -8.7 | 279 36 35.4 -5.5 12 100 16250 290 40 37.6 -13.7 | 294 26 23.7 -10.5 13 70 18460 300 31 26.8 -15.5 | 313 18 13.0 -12.3 14 50 20540 295 21 19.0 -8.9 | 318 8 5.2 -5.6 15 30 23730 310 19 14.6 -12.2 | 356 9 0.7 -9.0 16 20 26300 280 29 28.6 -5.0 | 277 15 14.7 -1.8 17 10 30820 280 48 47.3 -8.3 | 279 34 33.4 -5.1 Wind Parameters Mean winds (0-6000m): 253.1 at 19.0 knts Storm direction: 283.1 at 14.2 knts Shear (0-3000m) pos: 2.4 neg: 1.5 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 100.3 deg Storm rel helicity (0-3000m) pos: 64.9 neg: 0.0 tot: 64.9 m^2/s^2 ave: 21.6 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 3.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.26 Bulk Shear: 39.98 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 ------------------------------------------------------------------------------- 500 187 8 131 17| 0.0 9.2 9.2| 42.5 0.0 42.5 85.0 0.69| 15.0 10.3 1000 217 9 142 13| 4.0 4.6 8.7| 51.1 0.0 51.1 51.1 0.56| 11.7 6.6 1500 233 10 149 11| 3.2 3.1 6.3| 54.9 0.0 54.9 36.6 0.60| 8.5 5.1 2000 240 11 156 10| 2.8 2.3 5.1| 58.8 0.0 58.8 29.4 0.63| 6.8 4.3 2500 245 12 163 9| 2.6 1.8 4.5| 62.5 0.0 62.5 25.0 0.65| 5.9 3.8 3000 247 13 169 9| 2.4 1.5 3.9| 64.9 0.0 64.9 21.6 0.66| 5.1 3.4 4000 251 15 181 8| 2.1 1.2 3.2| 69.9 0.0 69.9 17.5 0.67| 4.1 2.8 5000 253 16 193 8| 1.9 0.9 2.8| 75.2 0.0 75.2 15.0 0.68| 3.6 2.4 6000 253 19 206 10| 1.6 2.3 3.9| 78.6 -7.0 71.6 11.9 0.44| 4.6 2.0 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251029.00.gif