Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 663, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Aug 15, 2013, 10:31 PM CDT for Woods County, Oklahoma. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 15, 2013, 10:31 PM CDT (03:31 UTC)
- Expired
- Aug 15, 2013, 11:00 PM CDT
- In force
- 29 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
County Woods County, OK
The radar
The Vance AFB radar (KVNX), 66 km from the middle of the area, began a volume at 03:33 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 15, 3:15 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Dodge City, (KDDC), launched 00:00Z, 3.5 hours before the alert went out and 144 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
- 1232 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 1739 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- -55 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- -0.1
- Supercell composite
- -3.9
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 15, 6:40 PM CDT, 3 hours 51 minutes earlier.
Area forecast discussion, Aug 15, 6:40 PM CDT, 3 hours 51 minutes before
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</html>Hazardous weather outlook, Aug 15, 5:13 PM CDT, 5 hours 18 minutes before
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Local storm report, Aug 15, 4:54 PM CDT, 5 hours 37 minutes before
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</html>The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 15, 8:23 PM CDT | Special Weather Statement | OUN | Grant, Kay | 52 min |
| Aug 15, 8:55 PM CDT | Special Weather Statement | OUN | Grant, Kay | 20 min |
| Aug 15, 9:11 PM CDT | Special Weather Statement | OUN | Kay | 49 min |
| Aug 15, 9:45 PM CDT | Areal Flood Advisory | OUN | Kay | 2 hr |
| Aug 15, 10:19 PM CDT | Special Weather Statement | OUN | Woods | 56 min |
| Aug 15, 10:43 PM CDT | Special Weather Statement | OUN | Grant | 47 min |
| Aug 15, 10:55 PM CDT | Special Weather Statement | OUN | Ellis | 50 min |
| Aug 15, 10:57 PM CDT | Severe Thunderstorm Warning | OUN | Woods | 33 min |
| Aug 15, 11:18 PM CDT | Special Weather Statement | OUN | Garfield | 42 min |
| Aug 15, 11:31 PM CDT | Severe Thunderstorm Warning | OUN | Woods | 44 min |
| Aug 15, 11:37 PM CDT | Special Weather Statement | OUN | Lincoln, Pottawatomie | 38 min |
| Aug 15, 11:44 PM CDT | Severe Thunderstorm Warning | OUN | Ellis, Roger Mills | 46 min |
| Aug 15, 11:56 PM CDT | Special Weather Statement | OUN | Garfield | 49 min |
| Aug 16, 12:33 AM CDT | Special Weather Statement | OUN | Roger Mills | 42 min |
| Aug 16, 12:45 AM CDT | Severe Thunderstorm Warning | OUN | Ellis, Roger Mills | 45 min |
| Aug 16, 12:50 AM CDT | Special Weather Statement | OUN | Canadian | 40 min |
| Aug 16, 1:10 AM CDT | Severe Thunderstorm Warning | OUN | Beckham, Roger Mills | 50 min |
| Aug 16, 1:16 AM CDT | Special Weather Statement | OUN | Pontotoc | 44 min |
| Aug 16, 1:20 AM CDT | Special Weather Statement | OUN | Custer | 40 min |
| Aug 16, 1:52 AM CDT | Special Weather Statement | OUN | Caddo, Grady | 38 min |
| Aug 16, 2:01 AM CDT | Special Weather Statement | OUN | Custer | 44 min |
| Aug 16, 2:23 AM CDT | Special Weather Statement | OUN | Greer, Harmon, Jackson | 52 min |
| Aug 16, 2:28 AM CDT | Special Weather Statement | OUN | Grady | 47 min |
| Aug 16, 3:03 AM CDT | Severe Thunderstorm Warning | OUN | Jackson | 42 min |
| Aug 16, 3:28 AM CDT | Severe Thunderstorm Warning | OUN | Harmon | 47 min |
| Aug 15, 7:29 PM CDT | Severe Thunderstorm Warning | OUN | Clay | 31 min |
| Aug 16, 2:57 AM CDT | Special Weather Statement | OUN | Hardeman | 48 min |
| Aug 16, 4:04 AM CDT | Special Weather Statement | OUN | Archer, Baylor, Clay, Wilbarger | 41 min |
| Aug 16, 4:18 AM CDT | Severe Thunderstorm Warning | OUN | Archer, Baylor, Clay, Foard, Hardeman, Knox and 2 more | 57 min |
| Aug 16, 5:11 AM CDT | Severe Thunderstorm Warning | OUN | Baylor, Knox | 34 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2013Every severe thunderstorm warning in 2013
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.