12/23/2023 0 Comments Monsoon weather calculator![]() ![]() This monsoonal flow in turn causes a significant increase in atmospheric moisture levels across the typically parched desert region as tropical air moves northward. This causes a reversal in the weather pattern across the region, with storms moving from generally the west-to-east in the spring months to east-to-west in the summer. Data source: NLDN.ĭuring the summer months, high pressure in the mid-levels of the atmosphere over northern Mexico (often referred to as the “monsoon high”) strengthens, expands, and drifts northward. With red (blue) areas observing less (more) lightning activity than usual. (Right) Regional map of the relative CG frequency for June 2022 through September 2022, (Left) Total cloud-to-ground (CG) lightning strikes across the broader region during Jun-Sep by year. ![]() Spatially, above average activity was noted across Sonora (Mex), areas near the northern Gulf of California, and portions of Arizona, with below average activity in much of New Mexico into west Texas.įig. This was a bit below the long-term average of 3.2M strikes but within a typical range. Over 2.7M cloud-to-ground lightning strikes were measured broadly across the Southwest during Jun-Sep 2022 (Figure 9). Normalized average temperature across the Southwest during the 2022 monsoon. Average temperature across the Southwest each monsoon (1895-2022).įig 8. Only in areas of the most persistent rain were below normal temperatures observed (Figure 8).įig 7. ![]() This is a continuation of long-term warming across the region (Figure 7). The average temperature for the four month period across the Southwest was 78.3 ☏, which tied with 2021 for the 4th warmest on record. ĭespite the active season, it was still a hot monsoon in 2022. Daily percent coverage of Arizona (left) and New Mexico (right) observing 0.01”+ of precipitation (Jun 15 - Sep 30, 2020). From mid June until early September, precipitation was a daily occurrence across the region, with a notable break not occurring until the first week of September (Figure 6).įig. On 44 (47) days, over half of Arizona (New Mexico) observed measurable rainfall (Figure 5). When normalizing the rainfall amounts, much of the region was wet or very wet (Figure 4).ĭata from the Climate Assessment for the Southwest ( CLIMAS )also indicate a very wet monsoon. Over 77% of the Southwest received at least 5" of rain. Several pockets of record-setting precipitation were noted, primarily over the mountains of southeast Arizona, the eastern areas of the Gila National Forecast, and the mountainous areas of far north-central New Mexico. Widespread heavy rain was observed across the mountains of Arizona and New Mexico, with some areas receiving over 20 inches (Figure 3). Normalized precipitation across the Southwest during the 2022 monsoon. Reas outlined in black indicate where record precipitation fell.įig 4. ![]() Total precipitation across the Southwest during the 2022 monsoon. Average rainfall across the Southwest each monsoon (1895-2022).įig 3. Average rainfall during the core monsoon months of Jun-Sep across the region was 4.68", compared to the 1991-2020 average of 3.69 ” (Figure 2).įig 2. Areal extent (maroon) of the “Southwest” commonly referenced in this analysis.įollowing the 22nd wettest (since 1895) monsoon across the Southwest (here defined as far southern Nevada, southeast California, Arizona, New Mexico, and far west Texas Figure 1) in 2021, the 2022 monsoon was even more active and ranked 9th wettest on record. ![]()
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