Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 562, NWS Norman, OK

July 10, 20134 counties in Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jul 10, 2013, 3:24 PM CDT for 4 counties in Oklahoma. It was in force for 51 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 10, 2013, 3:24 PM CDT (20:24 UTC)
Expired: Jul 10, 2013, 4:15 PM CDT
In force: 51 min
Issued by: NWS Norman, OK
Area: Storm-based polygon

Counties Canadian County, OK, Kingfisher County, OK, Logan County, OK, Oklahoma County, OK

The radar

The Norman radar (KTLX), 59 km from the middle of the area, began a volume at 20:27 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, 8.4 hours before the alert went out and 64 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: 176 J/kg
Mixed-layer CIN: -273 J/kg
Mixed-layer LCL: 2076 m above ground
0-6 km bulk shear: 2 kt
0-1 km storm-relative helicity: -6 m²/s²
0-3 km storm-relative helicity: 195 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 10, 12:34 PM CDT, 2 hours 50 minutes earlier.

Area forecast discussion, Jul 10, 12:34 PM CDT, 2 hours 50 minutes before

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Hazardous weather outlook, Jul 10, 11:54 AM CDT, 3 hours 30 minutes before

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In the hours before

Special weather statement, Jul 10, 2:44 PM CDT, 40 minutes before

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Special weather statement, Jul 10, 3:08 PM CDT, 16 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 10, 4:15 AM CDT	Heat Advisory	OUN	Alfalfa, Atoka, Bryan, Canadian, Carter, Cleveland and 24 more	35 hr
Jul 10, 2:44 PM CDT	Special Weather Statement	OUN	Garfield, Payne	31 min
Jul 10, 3:08 PM CDT	Special Weather Statement	OUN	Oklahoma	52 min
Jul 10, 3:48 PM CDT	Special Weather Statement	OUN	Garfield	42 min
Jul 10, 3:49 PM CDT	Special Weather Statement	OUN	Lincoln	41 min
Jul 10, 4:18 PM CDT	Areal Flood Advisory	OUN	Canadian, Kingfisher, Logan, Oklahoma	117 min
Jul 10, 4:21 PM CDT	Special Weather Statement	OUN	Kay	39 min
Jul 10, 4:34 PM CDT	Special Weather Statement	OUN	Seminole	41 min
Jul 10, 4:36 PM CDT	Special Weather Statement	OUN	Oklahoma	24 min
Jul 10, 4:39 PM CDT	Special Weather Statement	OUN	Kingfisher	51 min
Jul 10, 4:44 PM CDT	Special Weather Statement	OUN	Ellis	46 min
Jul 10, 6:17 PM CDT	Special Weather Statement	OUN	Major	43 min
Jul 10, 6:37 PM CDT	Special Weather Statement	OUN	Dewey	38 min
Jul 10, 6:41 PM CDT	Special Weather Statement	OUN	Harper	49 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2013 Every 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.