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January 21, 2017 · Marengo County · 2017
EF1

January 21, 2017

5:55 AM
Marengo County, Alabama · Near Linden (ZIP 36763)
Fatalities
0
Injuries
0
Path Length
4.2 mi
Max Width
900 yd
DateJanuary 21, 2017
Time5:55 AM
CountyMarengo
CityLinden
Property Loss$0
Crop Loss$0
SourceNCEI 676056
NWS Birmingham

1 ESE Wayne - 1 E Miller National Weather Service meteorologists surveyed damage in South Central Marengo County and determined that the damage was consistent with an EF-1 tornado. The tornado touched down along U.S. Highway 43 near Sweetwater Creek and Wayne Road. The tornado tracked north northeast and downed several trees along the path. A few outbuildings were damaged. The tornado lifted north of Pillie Road and Diamond Road, east of U.S. Highway 43. The tornado was 4.20 miles long and was 900 yards wide at its widest point. The tornado was rated an EF-1 with maximum winds around 90 mph. Thanks to Marengo County EMA for their assistance with this survey. Start: 32.0988/-87.7823 End: 32.1570/-87.7634

NWS EF Scale: F1

Event Narrative

National Weather Service meteorologists surveyed damage in southwest Marengo County near Putnam and determined that the damage was consistent with an EF1 tornado, with maximum sustained winds near 110 mph. This tornado continued from Choctaw County where EF2 damage occurred. The tornado crossed into Marengo County near the Slater Community on Blue Rock Road. The tornado moved northeast and generally parallel Blue Rock Road into the Putnam Community. The tornado crossed State Highway 69 and lifted east of Putnam on County Road 4. Numerous trees were snapped and uprooted along the path. At least one mobile home was destroyed and several homes sustained roof damage.

Episode Narrative

After over a week of near-record to record high temperatures, several upper-level disturbances followed by a strong upper-level low pressure system produced multiple rounds of severe weather across Central Alabama. This system was characterized by strong upper-level winds and very cold upper-level temperatures. The first round produced one brief, weak tornado in St. Clair County on the evening of January 19. The second round occurred on the morning of January 20 with 12 tornadoes across Marengo, Elmore, Macon, Lee, Pike, and Barbour Counties. A third round produced damaging straight line winds on the night of January 21, including in the Birmingham metro area where the Birmingham airport measured a 75 mph wind gust and in Oneonta where 80 mph straight-line winds caused significant damage. A brief tornado also occurred in Tuscaloosa County with this activity. Finally, a fourth round moved through during the day on January 22 with 3 tornadoes across Bullock and Lee Counties.

Outbreak Context

Part of 12-tornado outbreak on January 21, 2017

Shared Episode Narrative

After over a week of near-record to record high temperatures, several upper-level disturbances followed by a strong upper-level low pressure system produced multiple rounds of severe weather across Central Alabama. This system was characterized by strong upper-level winds and very cold upper-level temperatures. The first round produced one brief, weak tornado in St. Clair County on the evening of January 19. The second round occurred on the morning of January 20 with 12 tornadoes across Marengo, Elmore, Macon, Lee, Pike, and Barbour Counties. A third round produced damaging straight line winds on the night of January 21, including in the Birmingham metro area where the Birmingham airport measured a 75 mph wind gust and in Oneonta where 80 mph straight-line winds caused significant damage. A brief tornado also occurred in Tuscaloosa County with this activity. Finally, a fourth round moved through during the day on January 22 with 3 tornadoes across Bullock and Lee Counties.

Source Data
NCEI Event ID: 676056

See Also

4.2 mi900 yd wide