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Copyright © 2012 Board of Regents of the University of Oklahoma. Oklahoma Monthly Climate Summary 1 Drought surged during November with a return to the dry, warm and windy weather pattern that Oklahoma has become accustomed to over the last couple of years. According to the latest U.S. Drought Monitor report, the amount of extreme to exceptional drought rose from 72 percent last week to 91 percent this week. The state had not seen that amount of extreme to exceptional drought since late September. Other than a small but persistent area of moderate drought in far northeastern Oklahoma, the entire state remained in at least severe drought according to the report. The Drought Monitor’s intensity scale slides from moderate-severe-extreme-exceptional, with exceptional being the worst category. The bulk of that increase came across areas in southern and eastern Oklahoma that had been categorized in severe drought since September. The statewide average temperature finished at 52.4 degrees, 3.4 degrees above normal and the 12th warmest November since 1895. November also became the 26th month out of the last 32 to finish warmer than normal, dating back to April 2010. Oklahoma’s 2012 January-November average temperature remained approximately two-tenths of a degree ahead of 1954 in a race to break the record for warmest calendar year. NOVEMBER 2012 Oklahoma Monthly Climate Summary November 2012 Statewide Extremes Description Extreme Station Day High Temperature 89ºF Multiple 2 Low Temperature 12ºF Beaver 27 High Precipitation 1.33 in. Copan -- Low Precipitation 0.00 in. Multiple -- November 2012 Statewide Statistics Temperature Average Depart. Rank (1895-2012) Month (November) 52.4ºF 4.1ºF 12th Warmest Season-to- Date (Sept - Nov) 62.0ºF 1.3ºF 39th Warmest Year-to-Date (Jan-Nov) 65.0ºF 3.5ºF 1st Warmest Precipitation Average Depart. Rank (1895-2012) Month (November) 0.57 in. -2.25 in. 21st Driest Season-to-Date (Sept-Nov) 4.75 in. -5.26 in. 17th Driest Year-to-Date (Jan-Nov) 25.45 in. -9.22 in. 15th Driest Depart. = departure from 30-year normal the excellent category. Eleven of the state’s major reservoirs are at less than 70 percent of normal capacity, with an additional eight being below 80 percent. Lake Altus-Lugert is in the worst shape at 17 percent of capacity. The month was also exceedingly dry, a continuation of what the state had seen since May. The Mesonet’s statewide average total for the month was 0.57 inches, more than 2 inches below normal and the 21st driest November on record. This November stands in stark contrast to last year’s version, which ended as the 12th wettest on record at nearly 2 inches above normal. The current span of particularly dry weather extends=ed farther back than the beginning of November. According to preliminary data from the Oklahoma Mesonet and the National Climatic Data Center, the statewide average rainfall total for May through November was 13.48 inches, the second driest such period on record in Oklahoma. The only drier May through November was 1952’s 13.34 inches. The combination of wind, warmth and lack of rainfall accelerated the loss of moisture from the state’s soils and reservoirs, and impeded the progress of the winter wheat crop. The November 26 weekly crop update from the USDA’s Oklahoma office of the National Agricultural Statistics Service noted that the state’s topsoil and subsoil moisture conditions were rated 95 percent and 97 percent poor to very poor, respectively. The report also indicated that only 13 percent of the winter wheat crop was rated as good, with one percent in
Object Description
Okla State Agency |
Climatological Survey, Oklahoma |
Okla Agency Code | 'CLI' |
Title | Oklahoma monthly climate summary, 11/2012 |
Authors |
Oklahoma Climatological Survey. |
Publication Date | 2012-11 |
Publication type | Newsletter |
Purpose | Drought surged during November with a return to the dry, warm and windy weather pattern that Oklahoma has become accustomed to over the last couple of years. |
For all issues click | C2800.6 C639 |
Digital Format | PDF, Adobe Reader required |
ODL electronic copy | Downloaded from agency website: http://climate.ok.gov/summaries/monthly/2012/MCS_November_2012.pdf |
Rights and Permissions | This Oklahoma state government publication is provided for educational purposes under U.S. copyright law. Other usage requires permission of copyright holders. |
Date created | 2013-01-15 |
Date modified | 2014-06-13 |
OCLC number | 890221309 |
Description
Title | MCS_November_2012 1 |
Full text | Copyright © 2012 Board of Regents of the University of Oklahoma. Oklahoma Monthly Climate Summary 1 Drought surged during November with a return to the dry, warm and windy weather pattern that Oklahoma has become accustomed to over the last couple of years. According to the latest U.S. Drought Monitor report, the amount of extreme to exceptional drought rose from 72 percent last week to 91 percent this week. The state had not seen that amount of extreme to exceptional drought since late September. Other than a small but persistent area of moderate drought in far northeastern Oklahoma, the entire state remained in at least severe drought according to the report. The Drought Monitor’s intensity scale slides from moderate-severe-extreme-exceptional, with exceptional being the worst category. The bulk of that increase came across areas in southern and eastern Oklahoma that had been categorized in severe drought since September. The statewide average temperature finished at 52.4 degrees, 3.4 degrees above normal and the 12th warmest November since 1895. November also became the 26th month out of the last 32 to finish warmer than normal, dating back to April 2010. Oklahoma’s 2012 January-November average temperature remained approximately two-tenths of a degree ahead of 1954 in a race to break the record for warmest calendar year. NOVEMBER 2012 Oklahoma Monthly Climate Summary November 2012 Statewide Extremes Description Extreme Station Day High Temperature 89ºF Multiple 2 Low Temperature 12ºF Beaver 27 High Precipitation 1.33 in. Copan -- Low Precipitation 0.00 in. Multiple -- November 2012 Statewide Statistics Temperature Average Depart. Rank (1895-2012) Month (November) 52.4ºF 4.1ºF 12th Warmest Season-to- Date (Sept - Nov) 62.0ºF 1.3ºF 39th Warmest Year-to-Date (Jan-Nov) 65.0ºF 3.5ºF 1st Warmest Precipitation Average Depart. Rank (1895-2012) Month (November) 0.57 in. -2.25 in. 21st Driest Season-to-Date (Sept-Nov) 4.75 in. -5.26 in. 17th Driest Year-to-Date (Jan-Nov) 25.45 in. -9.22 in. 15th Driest Depart. = departure from 30-year normal the excellent category. Eleven of the state’s major reservoirs are at less than 70 percent of normal capacity, with an additional eight being below 80 percent. Lake Altus-Lugert is in the worst shape at 17 percent of capacity. The month was also exceedingly dry, a continuation of what the state had seen since May. The Mesonet’s statewide average total for the month was 0.57 inches, more than 2 inches below normal and the 21st driest November on record. This November stands in stark contrast to last year’s version, which ended as the 12th wettest on record at nearly 2 inches above normal. The current span of particularly dry weather extends=ed farther back than the beginning of November. According to preliminary data from the Oklahoma Mesonet and the National Climatic Data Center, the statewide average rainfall total for May through November was 13.48 inches, the second driest such period on record in Oklahoma. The only drier May through November was 1952’s 13.34 inches. The combination of wind, warmth and lack of rainfall accelerated the loss of moisture from the state’s soils and reservoirs, and impeded the progress of the winter wheat crop. The November 26 weekly crop update from the USDA’s Oklahoma office of the National Agricultural Statistics Service noted that the state’s topsoil and subsoil moisture conditions were rated 95 percent and 97 percent poor to very poor, respectively. The report also indicated that only 13 percent of the winter wheat crop was rated as good, with one percent in |
Date created | 2013-01-15 |
Date modified | 2013-01-15 |