Alert archive / Oklahoma / Special Weather Statements in 2015

Special Weather Statement, NWS Norman, OK

June 12, 2015Roger Mills County, Oklahoma

NWS Norman, OK issued this special weather statement at Jun 12, 2015, 2:21 AM CDT for Roger Mills County, Oklahoma. It was in force for 9 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 12, 2015, 2:21 AM CDT (07:21 UTC)
Expired: Jun 12, 2015, 2:30 AM CDT
In force: 9 min
Issued by: NWS Norman, OK

County Roger Mills County, OK

The radar

The Altus AFB radar (KFDR), 160 km from the middle of the area, began a volume at 07:21 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

Amarillo Airport, TX (KAMA), launched 00:00Z, 7.4 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: 751 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 2579 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 12 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.2

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 11, 10:53 PM CDT, 3 hours 28 minutes earlier.

Area forecast discussion, Jun 11, 10:53 PM CDT, 3 hours 28 minutes before

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Hazardous weather outlook, Jun 11, 8:05 PM CDT, 6 hours 16 minutes before

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In the hours before

Special weather statement, Jun 11, 11:17 PM CDT, 3 hours 4 minutes before

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Special weather statement, Jun 12, 12:18 AM CDT, 2 hours 3 minutes before

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Special weather statement, Jun 12, 1:09 AM CDT, 1 hour 12 minutes before

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Special weather statement, Jun 12, 1:14 AM CDT, 1 hour 7 minutes before

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Special weather statement, Jun 12, 1:47 AM CDT, 34 minutes before

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Special weather statement, Jun 12, 2:21 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 11, 7:42 PM CDT	Special Weather Statement	OUN	Harper	33 min
Jun 11, 8:15 PM CDT	Special Weather Statement	OUN	Harper	30 min
Jun 11, 9:10 PM CDT	Special Weather Statement	OUN	Harper	35 min
Jun 11, 9:43 PM CDT	Special Weather Statement	OUN	Harper	32 min
Jun 11, 9:56 PM CDT	Severe Thunderstorm Warning	OUN	Harper, Woods	37 min
Jun 11, 10:32 PM CDT	Severe Thunderstorm Warning	OUN	Ellis	43 min
Jun 11, 10:35 PM CDT	Special Weather Statement	OUN	Harper	25 min
Jun 11, 11:17 PM CDT	Special Weather Statement	OUN	Woodward	28 min
Jun 11, 11:31 PM CDT	Severe Thunderstorm Warning	OUN	Harper, Woodward	28 min
Jun 12, 12:18 AM CDT	Special Weather Statement	OUN	Harper	27 min
Jun 12, 1:09 AM CDT	Special Weather Statement	OUN	Harper	51 min
Jun 12, 1:14 AM CDT	Special Weather Statement	OUN	Ellis	31 min
Jun 12, 1:27 AM CDT	Areal Flood Advisory	OUN	Ellis, Harper, Woodward	4 hr
Jun 12, 1:47 AM CDT	Special Weather Statement	OUN	Ellis, Harper, Woods, Woodward	43 min
Jun 12, 2:29 AM CDT	Special Weather Statement	OUN	Dewey, Roger Mills, Woods, Woodward	46 min
Jun 12, 2:31 AM CDT	Areal Flood Advisory	OUN	Grant	3 hr
Jun 12, 2:56 AM CDT	Flash Flood Watch	OUN	Alfalfa, Beckham, Blaine, Caddo, Canadian, Cleveland and 31 more	49 hr
Jun 12, 3:07 AM CDT	Areal Flood Advisory	OUN	Harper, Major, Woods, Woodward	3 hr
Jun 12, 3:13 AM CDT	Special Weather Statement	OUN	Alfalfa, Major, Woods	47 min
Jun 12, 4:29 AM CDT	Special Weather Statement	OUN	Garfield, Grant	31 min
Jun 12, 5:03 AM CDT	Special Weather Statement	OUN	Garfield, Grant, Kay, Noble	42 min
Jun 12, 12:52 PM CDT	Areal Flood Advisory	OUN	Roger Mills	3 hr
Jun 12, 2:23 PM CDT	Special Weather Statement	OUN	Ellis	52 min
Jun 12, 3:03 PM CDT	Special Weather Statement	OUN	Harmon	42 min
Jun 12, 3:05 PM CDT	Special Weather Statement	OUN	Ellis	40 min
Jun 12, 3:36 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Greer, Harmon	39 min
Jun 12, 3:39 PM CDT	Special Weather Statement	OUN	Dewey	51 min
Jun 12, 3:49 PM CDT	Severe Thunderstorm Warning	OUN	Dewey	41 min
Jun 12, 4:14 PM CDT	Severe Thunderstorm Warning	OUN	Harmon	46 min
Jun 12, 4:22 PM CDT	Special Weather Statement	OUN	Roger Mills	38 min
Jun 12, 4:24 PM CDT	Special Weather Statement	OUN	Greer	36 min
Jun 12, 4:26 PM CDT	Severe Thunderstorm Warning	OUN	Dewey, Major, Woodward	49 min
Jun 12, 4:35 PM CDT	Special Weather Statement	OUN	Woodward	40 min
Jun 12, 4:56 PM CDT	Special Weather Statement	OUN	Greer, Harmon	49 min
Jun 12, 4:57 PM CDT	Severe Thunderstorm Warning	OUN	Woodward	34 min
Jun 12, 5:07 PM CDT	Special Weather Statement	OUN	Roger Mills	38 min
Jun 12, 5:19 PM CDT	Severe Thunderstorm Warning	OUN	Greer, Harmon	41 min
Jun 12, 5:25 PM CDT	Areal Flood Advisory	OUN	Greer, Harmon	4 hr
Jun 12, 5:25 PM CDT	Special Weather Statement	OUN	Custer, Dewey	50 min
Jun 12, 5:30 PM CDT	Special Weather Statement	OUN	Woodward	45 min
Jun 12, 5:37 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Custer, Dewey	38 min
Jun 12, 5:54 PM CDT	Special Weather Statement	OUN	Greer	66 min
Jun 12, 6:15 PM CDT	Special Weather Statement	OUN	Blaine	45 min
Jun 12, 6:17 PM CDT	Special Weather Statement	OUN	Harmon	58 min
Jun 12, 6:34 PM CDT	Areal Flood Advisory	OUN	Blaine, Custer, Dewey, Roger Mills	3 hr

Nearby

Special Weather Statements in Oklahoma, 2015 Every special weather statement in 2015

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.