Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 711, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Aug 12, 2016, 1:30 PM CDT for Atoka County, Oklahoma. It was in force for 30 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 12, 2016, 1:30 PM CDT (18:30 UTC)
- Expired
- Aug 12, 2016, 2:00 PM CDT
- In force
- 30 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Atoka County, OK
The radar
The Norman radar (KTLX), 155 km from the middle of the area, began a volume at 18:29 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, 6.5 hours before the alert went out and 156 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
- 767 J/kg
- Mixed-layer CIN
- -167 J/kg
- Mixed-layer LCL
- 1700 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 24 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 12, 12:42 PM CDT, 48 minutes earlier.
Area forecast discussion, Aug 12, 12:42 PM CDT, 48 minutes before
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Special weather statement, Aug 12, 12:51 PM CDT, 39 minutes before
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
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The site you requested is temporarily down for maintenance or an unexpected outage.
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Please try again in a few minutes.
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<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
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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 11, 7:25 PM CDT | Special Weather Statement | OUN | Woods, Woodward | 50 min |
| Aug 11, 8:17 PM CDT | Special Weather Statement | OUN | Woods | 28 min |
| Aug 11, 8:55 PM CDT | Special Weather Statement | OUN | Alfalfa | 35 min |
| Aug 11, 11:15 PM CDT | Special Weather Statement | OUN | Alfalfa | 30 min |
| Aug 11, 11:29 PM CDT | Special Weather Statement | OUN | Woodward | 31 min |
| Aug 11, 11:40 PM CDT | Special Weather Statement | OUN | Alfalfa | 35 min |
| Aug 11, 11:58 PM CDT | Special Weather Statement | OUN | Woodward | 32 min |
| Aug 12, 12:27 AM CDT | Special Weather Statement | OUN | Roger Mills | 33 min |
| Aug 12, 1:02 AM CDT | Special Weather Statement | OUN | Roger Mills | 28 min |
| Aug 12, 2:40 AM CDT | Special Weather Statement | OUN | Alfalfa | 35 min |
| Aug 12, 12:51 PM CDT | Special Weather Statement | OUN | Atoka | 24 min |
| Aug 12, 1:14 PM CDT | Special Weather Statement | OUN | Atoka | 31 min |
| Aug 12, 1:51 PM CDT | Special Weather Statement | OUN | Atoka | 24 min |
| Aug 12, 1:59 PM CDT | Special Weather Statement | OUN | Bryan | 31 min |
| Aug 12, 2:15 PM CDT | Special Weather Statement | OUN | Atoka | 30 min |
| Aug 12, 2:29 PM CDT | Special Weather Statement | OUN | Bryan | 31 min |
| Aug 12, 3:59 PM CDT | Special Weather Statement | OUN | Love | 31 min |
| Aug 12, 4:12 PM CDT | Special Weather Statement | OUN | Marshall | 33 min |
| Aug 12, 4:39 PM CDT | Special Weather Statement | OUN | Carter | 36 min |
| Aug 12, 5:02 PM CDT | Special Weather Statement | OUN | Love | 28 min |
| Aug 12, 5:07 PM CDT | Severe Thunderstorm Warning | OUN | Love | 23 min |
| Aug 12, 5:28 PM CDT | Special Weather Statement | OUN | Love | 32 min |
| Aug 12, 5:42 PM CDT | Special Weather Statement | OUN | Jefferson | 18 min |
| Aug 12, 5:59 PM CDT | Special Weather Statement | OUN | Love | 31 min |
| Aug 12, 6:29 PM CDT | Special Weather Statement | OUN | Love | 31 min |
| Aug 12, 6:43 PM CDT | Areal Flood Advisory | OUN | Carter, Love | 2 hr |
| Aug 12, 2:01 PM CDT | Special Weather Statement | OUN | Jack | 29 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2016Every severe thunderstorm warning in 2016
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.