Alert archive / Oklahoma / Tornado Watches in 2008
Tornado Watch 353
The Storm Prediction Center issued this tornado watch at May 24, 2008, 6:53 PM CDT for 23 counties in Oklahoma. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- May 24, 2008, 6:53 PM CDT (23:53 UTC)
- Expired
- May 25, 2008, 12:02 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2.5 in
- Strongest gust expected
- 60 kt
All 23 counties
Alfalfa County, OK, Blaine County, OK, Canadian County, OK, Creek County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grant County, OK, Harper County, OK, Kay County, OK, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, Noble County, OK, Okfuskee County, OK, Oklahoma County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK, Woods County, OK, Woodward County, OK
The radar
The Vance AFB radar (KVNX), 31 km from the middle of the area, began a volume at 23:55 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
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
13 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 7:07 PM CDT | Severe Thunderstorm Warning | OUN | Noble | 38 min |
| May 24, 7:28 PM CDT | Tornado Warning | OUN | Noble | 32 min |
| May 24, 7:30 PM CDT | Severe Thunderstorm Warning | OUN | Garfield, Grant, Kay, Noble | 45 min |
| May 24, 7:40 PM CDT | Tornado Warning | OUN | Noble | 35 min |
| May 24, 8:13 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Garfield, Grant, Major | 47 min |
| May 24, 8:15 PM CDT | Severe Thunderstorm Warning | OUN | Garfield, Grant, Kay, Noble | 45 min |
| May 24, 8:17 PM CDT | Severe Thunderstorm Warning | OUN | Noble | 28 min |
| May 24, 8:21 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 24 min |
| May 24, 8:45 PM CDT | Severe Thunderstorm Warning | OUN | Kay, Noble | 45 min |
| May 24, 8:58 PM CDT | Severe Thunderstorm Warning | OUN | Garfield, Grant | 47 min |
| May 24, 9:34 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Grant | 26 min |
| May 24, 9:40 PM CDT | Severe Thunderstorm Warning | OUN | Grant, Kay | 50 min |
| May 24, 10:21 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Grant | 39 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Lamont, OK (KLMN), launched 12:00Z, 11.9 hours before the alert went out and 72 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1787 J/kg
- Mixed-layer CIN
- -91 J/kg
- Mixed-layer LCL
- 587 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 225 m²/s²
- 0-3 km storm-relative helicity
- 270 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 10.5
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 8:17 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Beaver, Beckham, Blaine, Custer, Dewey and 20 more | 58 min |
| May 23, 10:33 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Beckham, Blaine, Custer, Dewey, Ellis and 10 more | 57 min |
| May 23, 11:51 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Beckham, Blaine, Custer, Dewey, Ellis and 15 more | 54 min |
| May 24, 12:41 PM CDT | Mesoscale Discussion | SPC | Garfield, Kingfisher, Logan, Noble, Payne | 64 min |
| May 24, 1:03 PM CDT | Tornado Watch | SPC | Alfalfa, Blaine, Canadian, Creek, Garfield, Grant and 11 more | 6 hr |
| May 24, 2:48 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Blaine, Caddo, Canadian, Cleveland, Creek and 15 more | 87 min |
| May 24, 6:49 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Blaine, Canadian, Creek, Custer, Dewey and 16 more | 26 min |
Nearby
Tornado Watches in Oklahoma, 2008Every tornado 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.