Alert archive / Oklahoma / Special Weather Statements in 2013

Special Weather Statement, NWS Norman, OK

June 15, 2013Logan County, Oklahoma

NWS Norman, OK issued this special weather statement at Jun 15, 2013, 11:21 AM CDT for Logan County, Oklahoma. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 15, 2013, 11:21 AM CDT (16:21 UTC)
Expired: Jun 15, 2013, 12:15 PM CDT
In force: 54 min
Issued by: NWS Norman, OK

County Logan County, OK

The radar

The Norman radar (KTLX), 47 km from the middle of the area, began a volume at 16:25 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

Lamont, OK (KLMN), launched 12:00Z, 4.4 hours before the alert went out and 98 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: 196 J/kg
Mixed-layer CIN: -156 J/kg
Mixed-layer LCL: 1766 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 45 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jun 15, 9:39 AM CDT, 1 hour 42 minutes earlier.

Area forecast discussion, Jun 15, 9:39 AM CDT, 1 hour 42 minutes before

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Hazardous weather outlook, Jun 15, 5:16 AM CDT, 6 hours 5 minutes before

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In the hours before

Special weather statement, Jun 15, 10:22 AM CDT, 59 minutes before

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Special weather statement, Jun 15, 10:24 AM CDT, 57 minutes before

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Special weather statement, Jun 15, 10:50 AM CDT, 31 minutes before

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Special weather statement, Jun 15, 11:02 AM CDT, 19 minutes before

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Special weather statement, Jun 15, 11:07 AM CDT, 14 minutes before

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Special weather statement, Jun 15, 11:21 AM CDT, 0 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
Jun 14, 7:37 PM CDT	Special Weather Statement	OUN	Bryan	23 min
Jun 15, 9:35 AM CDT	Special Weather Statement	OUN	Coal	40 min
Jun 15, 10:22 AM CDT	Special Weather Statement	OUN	Hughes	23 min
Jun 15, 10:24 AM CDT	Special Weather Statement	OUN	Hughes	51 min
Jun 15, 10:50 AM CDT	Special Weather Statement	OUN	Coal	40 min
Jun 15, 10:57 AM CDT	Areal Flood Advisory	OUN	Atoka, Coal	3 hr
Jun 15, 11:02 AM CDT	Special Weather Statement	OUN	McClain	58 min
Jun 15, 11:07 AM CDT	Special Weather Statement	OUN	Logan	53 min
Jun 15, 11:26 AM CDT	Severe Thunderstorm Warning	OUN	Logan, Oklahoma, Payne	49 min
Jun 15, 11:32 AM CDT	Special Weather Statement	OUN	Cleveland	43 min
Jun 15, 11:50 AM CDT	Special Weather Statement	OUN	Oklahoma	40 min
Jun 15, 12:08 PM CDT	Severe Thunderstorm Warning	OUN	Noble, Payne	67 min
Jun 15, 12:12 PM CDT	Areal Flood Advisory	OUN	Lincoln, Logan, Noble, Payne	3 hr
Jun 15, 12:15 PM CDT	Special Weather Statement	OUN	Cleveland	45 min
Jun 15, 12:16 PM CDT	Special Weather Statement	OUN	Lincoln	44 min
Jun 15, 12:24 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Lincoln, Oklahoma, Pottawatomie	66 min
Jun 15, 12:54 PM CDT	Severe Thunderstorm Warning	OUN	Kay	66 min
Jun 15, 12:55 PM CDT	Special Weather Statement	OUN	Lincoln	50 min
Jun 15, 1:07 PM CDT	Flash Flood Warning	OUN	Lincoln, Logan, Payne	3 hr
Jun 15, 1:30 PM CDT	Special Weather Statement	OUN	Pottawatomie	60 min
Jun 15, 1:43 PM CDT	Severe Thunderstorm Warning	OUN	Pottawatomie, Seminole	62 min
Jun 15, 2:05 PM CDT	Special Weather Statement	OUN	Lincoln	55 min
Jun 15, 2:06 PM CDT	Special Weather Statement	OUN	Seminole	39 min
Jun 15, 2:47 PM CDT	Special Weather Statement	OUN	Seminole	58 min
Jun 15, 3:15 PM CDT	Special Weather Statement	OUN	Pontotoc	60 min
Jun 15, 3:53 PM CDT	Special Weather Statement	OUN	Coal	37 min
Jun 15, 4:35 PM CDT	Special Weather Statement	OUN	Coal	25 min
Jun 15, 4:58 PM CDT	Special Weather Statement	OUN	Bryan	32 min
Jun 15, 6:13 PM CDT	Special Weather Statement	OUN	Bryan	32 min

Nearby

Special Weather Statements in Oklahoma, 2013 Every special weather statement 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.