Global Analysis - August 2002


Global Highlights:

  • Global average combined land and sea surface temperature in 2002 was the third warmest on record for June-August
  • June-August temperatures were 3-5°C (5.4-9°F) warmer than average over much of Europe and eastern Russia, as well as parts of the U.S.
  • Above average precipitation during June-August occurred across central Europe, Korea, southeast China and the U.S. Gulf Coast, while below average precipitation was noted across India, Australia and the western and eastern U.S.
 

Contents of this Section:

This is a break in the document
The data presented in this report are preliminary. Ranks and anomalies may change as more complete data are received and processed. The most current data may be accessed via the Global Surface Temperature Anomalies page.
This is a break in the document

Top of Page Introduction

The June-August 2002 mean temperature was above the 1988-2002 average across much of the United States, nearly all of Europe, and from India northward through China and eastern Russia as shown in the adjacent map of blended satellite and in-situ data. Cooler than average temperatures occurred across Argentina, central Russia and Japan. The mean position of upper level ridges and troughs of low pressure (depicted by positive and negative 500 millibar height anomalies), are generally reflected by areas of positive and negative temperature anomalies at the surface, respectively. Warmer-than-average sea surface temperatures developed throughout the tropical Pacific during June-August, the signature of El Niño conditions. The Global Blended Temperature in June-August 2002
larger image
The Global Temperature Anomalies in August 2002
larger image
August temperature anomalies calculated from the Global Historical Climatology Network data set of land surface stations using a 1961-1990 base period show below average temperatures in southeast China, Japan and Korea and in the northwest U.S. Notable warm anomalies were present across central Europe and the eastern two-thirds of the United States.
This is a break in the document

Top of Page Temperature

June-August
  • The global land and ocean surface temperature average (June-August 2002) was the third warmest such 3-month period in the 1880-2002 record, 0.47°C (0.85°F) above the long-term mean and 0.16°C (0.29°F) cooler than during the El Niño year of 1998
  • June-August 2002 average temperature across land areas ranks as third warmest on record, or 0.69°C (1.24°F) above the 1880-2001 average
The Global Temp Anomalies in June-August 2002
larger image
August
  • For August 2002, the global average land and ocean surface temperature was 0.41°C (0.74°F) above the 1880-2001 average, ranking as the fifth warmest August in the period of record
  • The warmest August occurred 4 years ago during the last record warm boreal summer
  • The August ocean surface temperature average was fourth warmest on record, 0.37°C (0.67°F) above average
The Global Temp Anomalies in August 2002
larger image
  • Serial monthly global surface temperature departures with respect to a 1971-2000 mean are shown in the figure to the right
  • The recent return to record or near record temperature departures is evident, and globally averaged surface temperatures (land and ocean) have been warmer than the 1971-2000 average for the last 76 consecutive months
The Global Temperature Timeseries
larger image
This is a break in the document

Top of Page Precipitation

  • During June-August 2002, much above average precipitation fell across central Europe, Korea, southeast China and the U.S. Gulf Coast
  • Below average precipitation was observed across the eastern and wester United States, the eastern Caribbean and much of India, where monsoon rainfall was unusually light
  • August precipitation was above average across central Europe, Korea and South Africa
  • Additional regional analysis can be found on the Global Hazards page
The Global Precip Anomalies in June-August 2002
larger image

This is a break in the document

References:

Peterson, T.C. and R.S. Vose, 1997: An Overview of the Global Historical Climatology Network Database. Bull. Amer. Meteorol. Soc., 78, 2837-2849.

Citing This Report

NOAA National Climatic Data Center, State of the Climate: Global Analysis for August 2002, published online September 2002, retrieved on September 17, 2014 from http://www.ncdc.noaa.gov/sotc/global/2002/8.