Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 648, NWS Norman, OK

July 14, 2016Atoka County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jul 14, 2016, 2:28 PM CDT for Atoka County, Oklahoma. It was in force for 47 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: Jul 14, 2016, 2:28 PM CDT (19:28 UTC)
Expired: Jul 14, 2016, 3:15 PM CDT
In force: 47 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 19:32 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, 7.5 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1508 J/kg
Mixed-layer CIN: -353 J/kg
Mixed-layer LCL: 1056 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 330 m²/s²
0-3 km storm-relative helicity: 483 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.2

Open this sounding in Storm Lab

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 Jul 14, 12:57 PM CDT, 1 hour 31 minutes earlier.

Area forecast discussion, Jul 14, 12:57 PM CDT, 1 hour 31 minutes before

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Hazardous weather outlook, Jul 14, 11:53 AM CDT, 2 hours 35 minutes before

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In the hours before

Special weather statement, Jul 14, 11:22 AM CDT, 3 hours 6 minutes before

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Special weather statement, Jul 14, 12:08 PM CDT, 2 hours 20 minutes before

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Local storm report, Jul 14, 12:30 PM CDT, 1 hour 58 minutes before

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Local storm report, Jul 14, 12:35 PM CDT, 1 hour 53 minutes before

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Local storm report, Jul 14, 12:39 PM CDT, 1 hour 49 minutes before

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Special weather statement, Jul 14, 1:41 PM CDT, 47 minutes before

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The office that day

Everything else NWS Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 13, 8:11 PM CDT	Special Weather Statement	OUN	Kay	64 min
Jul 13, 8:17 PM CDT	Severe Thunderstorm Warning	OUN	Kay	73 min
Jul 13, 9:00 PM CDT	Severe Thunderstorm Warning	OUN	Grant, Kay	30 min
Jul 13, 9:26 PM CDT	Severe Thunderstorm Warning	OUN	Grant, Kay	64 min
Jul 13, 9:42 PM CDT	Areal Flood Advisory	OUN	Kay	3 hr
Jul 13, 10:24 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Grant, Kay, Noble	66 min
Jul 13, 10:35 PM CDT	Areal Flood Advisory	OUN	Grant, Kay	3 hr
Jul 13, 11:10 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Blaine, Garfield, Grant, Kay, Kingfisher and 4 more	80 min
Jul 13, 11:47 PM CDT	Special Weather Statement	OUN	Kingfisher, Logan	13 min
Jul 14, 12:09 AM CDT	Special Weather Statement	OUN	Kingfisher, Lincoln, Logan	51 min
Jul 14, 12:18 AM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Logan, Noble, Payne	72 min
Jul 14, 12:49 AM CDT	Special Weather Statement	OUN	Canadian, Oklahoma	26 min
Jul 14, 1:13 AM CDT	Special Weather Statement	OUN	Canadian, Cleveland, Pottawatomie, Seminole	32 min
Jul 14, 1:30 AM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Pottawatomie, Seminole	22 min
Jul 14, 1:56 AM CDT	Special Weather Statement	OUN	Lincoln	49 min
Jul 14, 2:37 AM CDT	Special Weather Statement	OUN	Hughes	38 min
Jul 14, 3:12 AM CDT	Special Weather Statement	OUN	Hughes	33 min
Jul 14, 6:31 AM CDT	Special Weather Statement	OUN	Alfalfa	29 min
Jul 14, 6:59 AM CDT	Special Weather Statement	OUN	Alfalfa	31 min
Jul 14, 7:04 AM CDT	Special Weather Statement	OUN	Love	26 min
Jul 14, 7:18 AM CDT	Special Weather Statement	OUN	Harper	27 min
Jul 14, 7:36 AM CDT	Special Weather Statement	OUN	Grant	24 min
Jul 14, 7:44 AM CDT	Special Weather Statement	OUN	Woods	31 min
Jul 14, 7:56 AM CDT	Severe Thunderstorm Warning	OUN	Woods, Woodward	30 min
Jul 14, 9:10 AM CDT	Special Weather Statement	OUN	Grant	35 min
Jul 14, 9:35 AM CDT	Special Weather Statement	OUN	Grant	25 min
Jul 14, 10:17 AM CDT	Severe Thunderstorm Warning	OUN	Grant, Kay	43 min
Jul 14, 10:58 AM CDT	Severe Thunderstorm Warning	OUN	Kay	32 min
Jul 14, 11:22 AM CDT	Special Weather Statement	OUN	Payne	23 min
Jul 14, 12:08 PM CDT	Special Weather Statement	OUN	Lincoln	37 min
Jul 14, 1:41 PM CDT	Special Weather Statement	OUN	Hughes	34 min
Jul 14, 3:12 PM CDT	Special Weather Statement	OUN	Atoka, Coal	33 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2016 Every 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.