Alert archive / Oklahoma / Special Weather Statements in 2016

Special Weather Statement, NWS Norman, OK

August 9, 2016Atoka County, Oklahoma

NWS Norman, OK issued this special weather statement at Aug 9, 2016, 1:39 PM CDT for Atoka County, Oklahoma. It was in force for 36 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 9, 2016, 1:39 PM CDT (18:39 UTC)
Expired: Aug 9, 2016, 2:15 PM CDT
In force: 36 min
Issued by: NWS Norman, OK

County Atoka County, OK

The radar

The Norman radar (KTLX), 175 km from the middle of the area, began a volume at 18:41 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, 6.7 hours before the alert went out and 175 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: 718 J/kg
Mixed-layer CIN: -147 J/kg
Mixed-layer LCL: 1341 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: 144 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 8, 6:21 PM CDT, 19 hours 18 minutes earlier.

Area forecast discussion, Aug 8, 6:21 PM CDT, 19 hours 18 minutes before

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Hazardous weather outlook, Aug 8, 6:50 PM CDT, 18 hours 49 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 9, 3:35 AM CDT	Heat Advisory	OUN	Atoka, Bryan, Carter, Coal, Hughes, Johnston and 5 more	16 hr
Aug 9, 3:35 AM CDT	Heat Advisory	OUN	Atoka, Bryan, Canadian, Carter, Cleveland, Coal and 22 more	64 hr
Aug 9, 2:05 PM CDT	Special Weather Statement	OUN	Atoka	25 min
Aug 9, 2:18 PM CDT	Severe Thunderstorm Warning	OUN	Atoka	27 min
Aug 9, 2:26 PM CDT	Special Weather Statement	OUN	Hughes	49 min
Aug 9, 2:43 PM CDT	Special Weather Statement	OUN	Atoka	32 min
Aug 9, 6:33 PM CDT	Special Weather Statement	OUN	Noble	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.