Category: Cold spells affecting United States

Download data: JSON

Event type: Cold spell

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

• United States

Duration: 4 days

Time span: September 07 2024 to September 10 2024

Statistics over entire affected area:

• Mean temperature anomaly: -5.9 °C
• Mean temperature: 16.1 °C
• Minimum temperature anomaly: -8.7 °C
• Minimum temperature: 11.8 °C

Event center: 38.0°N 272.0°E

Area affected: 378112 km$^2$

Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.

Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Cold_spell_2024-Sep-07_to_2024-Sep-10_272.0_38.0

Download data: JSON

Event type: Cold spell

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

• United States

Duration: 7 days

Time span: September 06 2024 to September 12 2024

Statistics over entire affected area:

• Mean temperature anomaly: -3.8 °C
• Mean temperature: 19.8 °C
• Minimum temperature anomaly: -6.7 °C
• Minimum temperature: 11.7 °C

Event center: 35.5°N 284.0°E

Area affected: 270267 km$^2$

Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.

Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Cold_spell_2024-Sep-06_to_2024-Sep-12_284.0_35.5

Download data: JSON

Event type: Cold spell

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

• United States

Duration: 7 days

Time span: September 06 2024 to September 12 2024

Statistics over entire affected area:

• Mean temperature anomaly: -3.7 °C
• Mean temperature: 22.3 °C
• Minimum temperature anomaly: -6.2 °C
• Minimum temperature: 19.4 °C

Event center: 32.5°N 266.5°E

Area affected: 117711 km$^2$

Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.

Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Cold_spell_2024-Sep-06_to_2024-Sep-12_266.5_32.5

Download data: JSON

Event type: Cold spell

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

• United States

Duration: 4 days

Time span: September 03 2024 to September 06 2024

Statistics over entire affected area:

• Mean temperature anomaly: -4.3 °C
• Mean temperature: 18.3 °C
• Minimum temperature anomaly: -6.3 °C
• Minimum temperature: 13.0 °C

Event center: 37.5°N 281.0°E

Area affected: 178163 km$^2$

Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.

Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Cold_spell_2024-Sep-03_to_2024-Sep-06_281.0_37.5

Download data: JSON

Event type: Cold spell

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

• United States

Duration: 5 days

Time span: August 28 2024 to September 01 2024

Statistics over entire affected area:

• Mean temperature anomaly: -1.7 °C
• Mean temperature: 8.6 °C
• Minimum temperature anomaly: -2.6 °C
• Minimum temperature: 7.2 °C

Event center: 54.5°N 173.0°E

Area affected: 75896 km$^2$

Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.

Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Cold_spell_2024-Aug-28_to_2024-Sep-01_173.0_54.5

Download data: JSON

Event type: Cold spell

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

• United States

Duration: 15 days

Time span: August 22 2024 to September 05 2024

Statistics over entire affected area:

• Mean temperature anomaly: -2.1 °C
• Mean temperature: 7.6 °C
• Minimum temperature anomaly: -4.6 °C
• Minimum temperature: 4.2 °C

Event center: 57.0°N 177.0°E

Area affected: 1086010 km$^2$

Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.

Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.

Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Cold_spell_2024-Aug-22_to_2024-Sep-05_177.0_57.0