Alert archive / Oklahoma / Severe Thunderstorm Watches in 2008
Severe Thunderstorm Watch 377
The Storm Prediction Center issued this severe thunderstorm watch at May 27, 2008, 1:15 AM CDT for 11 counties in Oklahoma. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- May 27, 2008, 1:15 AM CDT (06:15 UTC)
- Expired
- May 27, 2008, 6:00 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
Counties Caddo County, OK, Canadian County, OK, Cleveland County, OK, Garvin County, OK, Grady County, OK, Lincoln County, OK, Logan County, OK, McClain County, OK, Oklahoma County, OK, Payne County, OK, Pottawatomie County, OK
The radar
The Norman radar (KTLX), 55 km from the middle of the area, began a volume at 06:17 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 20%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
5 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 1:20 AM CDT | Severe Thunderstorm Warning | OUN | Caddo | 40 min |
| May 27, 1:43 AM CDT | Severe Thunderstorm Warning | OUN | Caddo, Canadian, Cleveland, Grady, Kingfisher, Logan and 2 more | 62 min |
| May 27, 2:32 AM CDT | Severe Thunderstorm Warning | OUN | Lincoln, Pottawatomie, Seminole | 58 min |
| May 27, 3:24 AM CDT | Severe Thunderstorm Warning | OUN | Grady | 51 min |
| May 27, 4:03 AM CDT | Severe Thunderstorm Warning | OUN | Garvin, Grady, McClain, Stephens | 42 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 7:45 PM CDT | Tornado Watch | SPC | Alfalfa, Beaver, Beckham, Blaine, Caddo, Custer and 23 more | 7 hr |
| May 26, 10:19 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Beckham, Blaine, Caddo, Canadian, Cleveland and 33 more | 116 min |
| May 27, 2:45 AM CDT | Mesoscale Discussion | SPC | Cleveland, Garvin, Hughes, Lincoln, McClain, Okfuskee and 3 more | 60 min |
| May 27, 5:23 AM CDT | Mesoscale Discussion | SPC | Atoka, Latimer, LeFlore, Pushmataha | 67 min |
| May 27, 1:52 PM CDT | Mesoscale Discussion | SPC | Greer, Harmon, Jackson | 2 hr |
| May 27, 2:34 PM CDT | Severe Thunderstorm Watch | SPC | Beckham, Caddo, Comanche, Cotton, Custer, Greer and 8 more | 7 hr |
| May 27, 6:23 PM CDT | Mesoscale Discussion | SPC | Beckham, Cotton, Greer, Harmon, Jackson, Kiowa and 2 more | 97 min |
Nearby
Severe Thunderstorm Watches in Oklahoma, 2008Every severe thunderstorm watch in 2008
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.