Alert archive / Oklahoma / Special Weather Statements in 2016

Special Weather Statement, NWS Norman, OK

August 30, 2016Custer County, Oklahoma

NWS Norman, OK issued this special weather statement at Aug 30, 2016, 4:36 PM CDT for Custer County, Oklahoma. It was in force for 24 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: Aug 30, 2016, 4:36 PM CDT (21:36 UTC)
Expired: Aug 30, 2016, 5:00 PM CDT
In force: 24 min
Issued by: NWS Norman, OK

County Custer County, OK

The radar

The Altus AFB radar (KFDR), 153 km from the middle of the area, began a volume at 21:36 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

Dodge City, (KDDC), launched 12:00Z, 9.6 hours before the alert went out and 235 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: 129 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 884 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 44 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

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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 Aug 30, 3:21 PM CDT, 1 hour 15 minutes earlier.

Area forecast discussion, Aug 30, 3:21 PM CDT, 1 hour 15 minutes before

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Hazardous weather outlook, Aug 30, 12:01 PM CDT, 4 hours 35 minutes before

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In the hours before

Special weather statement, Aug 30, 3:00 PM CDT, 1 hour 36 minutes before

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Special weather statement, Aug 30, 3:07 PM CDT, 1 hour 29 minutes before

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Special weather statement, Aug 30, 3:24 PM CDT, 1 hour 12 minutes before

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Special weather statement, Aug 30, 3:50 PM CDT, 46 minutes before

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Special weather statement, Aug 30, 3:55 PM CDT, 41 minutes before

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Special weather statement, Aug 30, 4:36 PM 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
Aug 29, 7:19 PM CDT	Areal Flood Advisory	OUN	Woodward	116 min
Aug 29, 7:54 PM CDT	Areal Flood Advisory	OUN	Ellis, Woodward	2 hr
Aug 30, 8:16 AM CDT	Areal Flood Advisory	OUN	Greer, Jackson, Kiowa, Washita	3 hr
Aug 30, 2:22 PM CDT	Special Weather Statement	OUN	Johnston	38 min
Aug 30, 2:58 PM CDT	Special Weather Statement	OUN	Coal	32 min
Aug 30, 3:00 PM CDT	Special Weather Statement	OUN	Coal	30 min
Aug 30, 3:07 PM CDT	Special Weather Statement	OUN	Coal	23 min
Aug 30, 3:24 PM CDT	Special Weather Statement	OUN	Coal	51 min
Aug 30, 3:50 PM CDT	Special Weather Statement	OUN	Harper	40 min
Aug 30, 3:55 PM CDT	Special Weather Statement	OUN	Custer	50 min
Aug 30, 4:01 PM CDT	Areal Flood Advisory	OUN	Ellis, Harper, Woods	3 hr
Aug 30, 4:14 PM CDT	Areal Flood Advisory	OUN	Custer	3 hr
Aug 30, 5:03 PM CDT	Special Weather Statement	OUN	Woodward	27 min
Aug 30, 5:15 PM CDT	Special Weather Statement	OUN	Pottawatomie	30 min
Aug 30, 6:37 PM CDT	Areal Flood Advisory	OUN	Woodward	113 min
Aug 30, 5:36 PM CDT	Special Weather Statement	OUN	Wilbarger	24 min
Aug 30, 6:03 PM CDT	Special Weather Statement	OUN	Wilbarger	27 min

Nearby

Special Weather Statements in Oklahoma, 2016 Every special weather statement 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.