Oklahoma, 1999

Hail and Damaging Winds in Oklahoma, September 12, 1999

September 12, 1999 · NWS AMA · 12 events in 2 counties and zones

Severe thunderstorms with devastating winds and large hail pounded the eastern and parts of the central Oklahoma panhandle during the early morning hours.

Where it happened

Every event with a place to put it. 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

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$8.0 million
Crop damage
None recorded
Events
12

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 AMA wrote it up.

Severe thunderstorms with devastating winds and large hail pounded the eastern and parts of the central Oklahoma panhandle during the early morning hours.

The radar

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

Open the radar archive at this moment

Event by event

6 hail, 6 thunderstorm wind. Local standard time, as filed.

Hail, Texas

When
September 12, 12:10 AM CST
Where
Texas County, Hooker
Measured
1 in hail
Reported by
LAW ENFORCEMENT
Coordinates
36.870, -101.220

Hail, Beaver

When
September 12, 12:17 AM CST
Where
Beaver County, 5 mi W of Forgan
Measured
0.88 in hail
Reported by
LAW ENFORCEMENT
Coordinates
36.900, -100.620

Hail, Beaver

When
September 12, 12:30 AM CST
Where
Beaver County, 2 mi N of Beaver
Measured
1 in hail
Reported by
EMERGENCY MANAGER
Coordinates
36.850, -100.520

Hail, Beaver

When
September 12, 12:30 AM CST
Where
Beaver County, 2 mi SW of Beaver
Measured
1.75 in hail
Reported by
EMERGENCY MANAGER
Coordinates
36.800, -100.550

Thunderstorm Wind, Beaver

When
September 12, 12:30 AM CST
Where
Beaver County, 1 mi SW of Beaver
Measured
53 kt (61 mph)
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
36.800, -100.530

Thunderstorm Wind, Beaver

When
September 12, 12:35 AM CST
Where
Beaver County, 1 mi W of Beaver
Measured
52 kt (60 mph)
Reported by
EMERGENCY MANAGER
Coordinates
36.820, -100.530

Hail, Beaver

When
September 12, 12:35 AM CST
Where
Beaver County, 1 mi NW of Beaver
Measured
1.75 in hail
Reported by
EMERGENCY MANAGER
Coordinates
36.830, -100.530

Thunderstorm Wind, Beaver

When
September 12, 12:35 AM CST
Where
Beaver County, 1 mi SW of Beaver
Measured
68 kt (78 mph)
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
36.800, -100.530

Thunderstorm Wind, Beaver

When
September 12, 12:37 AM CST
Where
Beaver County, Beaver
Measured
70 kt (81 mph)
Property damage
$8.0 million
Reported by
EMERGENCY MANAGER
Coordinates
36.820, -100.520

Damage reported to be six and a half million dollars in structural damage and one and a half million dollars in damage to vehicles. Fourteen hundred homes in Beaver were damaged with two homes completely destroyed and twenty-three homes deemed to be unlivable. There were no injuries from the storm.

Hail, Beaver

When
September 12, 12:38 AM CST
Where
Beaver County, Beaver
Measured
1.75 in hail
Reported by
EMERGENCY MANAGER
Coordinates
36.820, -100.520

Thunderstorm Wind, Beaver

When
September 12, 1:05 AM CST
Where
Beaver County, 8 mi W of Slapout
Measured
52 kt (60 mph)
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
36.620, -100.270

Thunderstorm Wind, Beaver

When
September 12, 1:10 AM CST
Where
Beaver County, 8 mi W of Slapout
Measured
70 kt (81 mph)
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
36.620, -100.270

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

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

The same day elsewhere

More

Every storm in Oklahoma in 1999Every state in 1999This day in weather historyWarnings in Oklahoma, September 1999

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 2026-09-24. Each event’s entry at NCEI: 5717729, 5717730, 5717731, 5717732, 5717733, 5717734, 5717735, 5717736, 5717737, 5717738, 5717739, 5717740.