Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 601, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Aug 22, 2015, 7:49 AM CDT for Noble County, Payne County, Oklahoma. It was in force for 41 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 22, 2015, 7:49 AM CDT (12:49 UTC)
- Expired
- Aug 22, 2015, 8:30 AM CDT
- In force
- 41 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Noble County, OK, Payne County, OK
The radar
The Norman radar (KTLX), 101 km from the middle of the area, began a volume at 12:47 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 nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 0.8 hours before the alert went out and 116 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
- 1188 J/kg
- Mixed-layer CIN
- -148 J/kg
- Mixed-layer LCL
- 840 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 139 m²/s²
- 0-3 km storm-relative helicity
- 214 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 22, 7:23 AM CDT, 26 minutes earlier.
Area forecast discussion, Aug 22, 7:23 AM CDT, 26 minutes before
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</html>Hazardous weather outlook, Aug 22, 7:40 AM CDT, 9 minutes before
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Special weather statement, Aug 22, 6:21 AM CDT, 1 hour 28 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 21, 7:04 PM CDT | Special Weather Statement | OUN | Woods | 41 min |
| Aug 21, 7:45 PM CDT | Special Weather Statement | OUN | Alfalfa | 30 min |
| Aug 21, 8:07 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Woods | 38 min |
| Aug 21, 8:36 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Woods | 39 min |
| Aug 21, 9:09 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Woods | 51 min |
| Aug 21, 9:20 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Grant | 40 min |
| Aug 21, 9:53 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Garfield, Grant, Major | 37 min |
| Aug 21, 10:22 PM CDT | Severe Thunderstorm Warning | OUN | Garfield, Grant, Kay, Noble | 38 min |
| Aug 21, 11:13 PM CDT | Special Weather Statement | OUN | Kay, Noble | 47 min |
| Aug 22, 12:17 AM CDT | Special Weather Statement | OUN | Payne | 28 min |
| Aug 22, 12:39 AM CDT | Special Weather Statement | OUN | Grant | 36 min |
| Aug 22, 1:02 AM CDT | Severe Thunderstorm Warning | OUN | Grant | 31 min |
| Aug 22, 1:47 AM CDT | Special Weather Statement | OUN | Noble | 28 min |
| Aug 22, 2:16 AM CDT | Special Weather Statement | OUN | Noble | 29 min |
| Aug 22, 2:42 AM CDT | Special Weather Statement | OUN | Noble | 18 min |
| Aug 22, 3:09 AM CDT | Special Weather Statement | OUN | Payne | 36 min |
| Aug 22, 3:14 AM CDT | Special Weather Statement | OUN | Kay | 31 min |
| Aug 22, 4:05 AM CDT | Special Weather Statement | OUN | Kay | 25 min |
| Aug 22, 4:45 AM CDT | Special Weather Statement | OUN | Kay | 30 min |
| Aug 22, 5:21 AM CDT | Areal Flood Advisory | OUN | Grant, Kay | 114 min |
| Aug 22, 6:01 AM CDT | Flash Flood Warning | OUN | Grant, Kay | 3 hr |
| Aug 22, 6:21 AM CDT | Special Weather Statement | OUN | Kay, Noble | 24 min |
| Aug 22, 6:55 AM CDT | Special Weather Statement | OUN | Noble | 35 min |
| Aug 22, 7:22 AM CDT | Special Weather Statement | OUN | Payne | 23 min |
| Aug 22, 7:32 AM CDT | Areal Flood Advisory | OUN | Noble, Payne | 3 hr |
| Aug 22, 7:46 AM CDT | Special Weather Statement | OUN | Payne | 29 min |
| Aug 22, 8:02 AM CDT | Special Weather Statement | OUN | Payne | 13 min |
| Aug 22, 8:10 AM CDT | Severe Thunderstorm Warning | OUN | Lincoln, Logan, Payne | 50 min |
| Aug 22, 8:28 AM CDT | Special Weather Statement | OUN | Oklahoma | 32 min |
| Aug 22, 8:48 AM CDT | Special Weather Statement | OUN | Oklahoma | 27 min |
| Aug 22, 9:00 AM CDT | Special Weather Statement | OUN | Lincoln | 30 min |
| Aug 22, 9:07 AM CDT | Special Weather Statement | OUN | Okfuskee | 23 min |
| Aug 22, 9:30 AM CDT | Areal Flood Warning | OUN | Kay, Noble, Payne | 4 hr |
| Aug 22, 9:36 AM CDT | Special Weather Statement | OUN | Hughes, Seminole | 24 min |
| Aug 22, 9:54 AM CDT | Special Weather Statement | OUN | Hughes | 36 min |
| Aug 22, 10:03 AM CDT | Severe Thunderstorm Warning | OUN | Hughes | 42 min |
| Aug 22, 10:35 AM CDT | Special Weather Statement | OUN | Hughes | 25 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2015Every severe thunderstorm warning in 2015
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.