Kentucky, 2010

Dense Fog in Kentucky, May 22, 2010

May 22, 2010 · NWS PAH · 5 events in 5 counties and zones

Weak high pressure over the region, combined with moist ground and light winds, resulted in areas of dense fog over southern parts of the Pennyrile region of western Kentucky. Visibility was one-quarter mile or less along and south of a line from Greenville to Murray.

Where it happened

Every event with a place to put it; 5 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
5

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS PAH wrote it up.

Weak high pressure over the region, combined with moist ground and light winds, resulted in areas of dense fog over southern parts of the Pennyrile region of western Kentucky. Visibility was one-quarter mile or less along and south of a line from Greenville to Murray.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Paducah, KY wrote its last area forecast discussion before the first event at May 22, 2:21 AM CST, 39 minutes earlier.

Area forecast discussion, May 22, 2:21 AM CST, 39 minutes before
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Hazardous weather outlook, May 21, 7:37 PM CST, 7 hours 23 minutes before
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The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

5 dense fog. Local standard time, as filed.

Dense Fog, Muhlenberg

When
May 22, 3:00 AM CST to 6:00 AM CST
Where
Muhlenberg forecast zone
Reported by
ASOS
Coordinates
37.216, -87.142 (the zone’s center; the record gives no point)

Dense Fog, Christian

When
May 22, 3:00 AM CST to 6:00 AM CST
Where
Christian forecast zone
Reported by
ASOS
Coordinates
36.894, -87.490 (the zone’s center; the record gives no point)

Dense Fog, Todd

When
May 22, 3:00 AM CST to 6:00 AM CST
Where
Todd forecast zone
Reported by
ASOS
Coordinates
36.836, -87.179 (the zone’s center; the record gives no point)

Dense Fog, Trigg

When
May 22, 3:00 AM CST to 6:00 AM CST
Where
Trigg forecast zone
Reported by
ASOS
Coordinates
36.806, -87.873 (the zone’s center; the record gives no point)

Dense Fog, Calloway

When
May 22, 3:00 AM CST to 6:00 AM CST
Where
Calloway forecast zone
Reported by
ASOS
Coordinates
36.621, -88.272 (the zone’s center; the record gives no point)

What these are

Dense Fog
Fog reducing visibility to a quarter mile or less, filed where it caused accidents or disruption.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Kentucky in 2010Every state in 2010This day in weather historyWarnings in Kentucky, May 2010

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 229873, 229874, 229875, 229876, 229877.