Alert archive / Oklahoma / Special Weather Statements in 2016

Special Weather Statement, NWS Norman, OK

April 29, 2016Beckham County, Oklahoma

NWS Norman, OK issued this special weather statement at Apr 29, 2016, 8:01 AM CDT for Beckham County, Oklahoma. It was in force for 29 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: Apr 29, 2016, 8:01 AM CDT (13:01 UTC)
Expired: Apr 29, 2016, 8:30 AM CDT
In force: 29 min
Issued by: NWS Norman, OK

County Beckham County, OK

The radar

The Altus AFB radar (KFDR), 114 km from the middle of the area, began a volume at 13:02 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, 1.0 hours before the alert went out and 217 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: 123 J/kg
Mixed-layer CIN: -903 J/kg
Mixed-layer LCL: 632 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 239 m²/s²
0-3 km storm-relative helicity: 348 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 9.0

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 Apr 29, 4:31 AM CDT, 3 hours 30 minutes earlier.

Area forecast discussion, Apr 29, 4:31 AM CDT, 3 hours 30 minutes before

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Hazardous weather outlook, Apr 29, 6:25 AM CDT, 1 hour 36 minutes before

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In the hours before

Special weather statement, Apr 29, 3:24 AM CDT, 4 hours 37 minutes before

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Local storm report, Apr 29, 3:40 AM CDT, 4 hours 21 minutes before

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Special weather statement, Apr 29, 3:48 AM CDT, 4 hours 13 minutes before

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Special weather statement, Apr 29, 4:18 AM CDT, 3 hours 43 minutes before

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Special weather statement, Apr 29, 4:52 AM CDT, 3 hours 9 minutes before

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Special weather statement, Apr 29, 8:01 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
Apr 28, 7:41 PM CDT	Severe Thunderstorm Warning	OUN	Greer, Harmon, Jackson	49 min
Apr 28, 10:29 PM CDT	Special Weather Statement	OUN	Roger Mills	31 min
Apr 29, 12:58 AM CDT	Special Weather Statement	OUN	Murray	32 min
Apr 29, 1:27 AM CDT	Special Weather Statement	OUN	Garvin	33 min
Apr 29, 1:42 AM CDT	Special Weather Statement	OUN	Pottawatomie	33 min
Apr 29, 1:46 AM CDT	Special Weather Statement	OUN	Stephens	29 min
Apr 29, 1:58 AM CDT	Special Weather Statement	OUN	Pontotoc	32 min
Apr 29, 2:07 AM CDT	Severe Thunderstorm Warning	OUN	Garvin, Grady, Stephens	41 min
Apr 29, 2:09 AM CDT	Special Weather Statement	OUN	Marshall	36 min
Apr 29, 2:21 AM CDT	Severe Thunderstorm Warning	OUN	Hughes, Pontotoc, Pottawatomie, Seminole	39 min
Apr 29, 2:39 AM CDT	Special Weather Statement	OUN	Love	36 min
Apr 29, 3:03 AM CDT	Special Weather Statement	OUN	Johnston, Marshall	27 min
Apr 29, 3:08 AM CDT	Severe Thunderstorm Warning	OUN	Atoka, Bryan, Johnston, Marshall	37 min
Apr 29, 3:11 AM CDT	Special Weather Statement	OUN	Hughes, Seminole	34 min
Apr 29, 3:20 AM CDT	Severe Thunderstorm Warning	OUN	Hughes	40 min
Apr 29, 3:24 AM CDT	Areal Flood Advisory	OUN	Coal, Hughes, Johnston, Marshall, Pontotoc, Seminole	4 hr
Apr 29, 3:24 AM CDT	Special Weather Statement	OUN	Atoka	36 min
Apr 29, 3:29 AM CDT	Severe Thunderstorm Warning	OUN	Atoka, Coal	21 min
Apr 29, 3:48 AM CDT	Special Weather Statement	OUN	Harper	42 min
Apr 29, 4:18 AM CDT	Special Weather Statement	OUN	Coal	27 min
Apr 29, 4:52 AM CDT	Special Weather Statement	OUN	Atoka	23 min
Apr 29, 8:46 AM CDT	Special Weather Statement	OUN	Custer	44 min
Apr 29, 9:31 AM CDT	Special Weather Statement	OUN	Blaine	44 min
Apr 29, 9:35 AM CDT	Special Weather Statement	OUN	Harper	55 min
Apr 29, 10:17 AM CDT	Special Weather Statement	OUN	Major	43 min
Apr 29, 10:19 AM CDT	Special Weather Statement	OUN	Dewey	41 min
Apr 29, 10:49 AM CDT	Special Weather Statement	OUN	Major	41 min
Apr 29, 11:02 AM CDT	Special Weather Statement	OUN	Grant	43 min
Apr 29, 11:04 AM CDT	Severe Thunderstorm Warning	OUN	Blaine, Dewey, Major, Woods	41 min
Apr 29, 11:38 AM CDT	Special Weather Statement	OUN	Washita	52 min
Apr 29, 11:45 AM CDT	Special Weather Statement	OUN	Major	45 min
Apr 29, 12:15 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Garfield, Grant	45 min
Apr 29, 12:22 PM CDT	Special Weather Statement	OUN	Garfield	53 min
Apr 29, 12:33 PM CDT	Special Weather Statement	OUN	Garfield	27 min
Apr 29, 12:36 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Grant, Kay, Noble	39 min
Apr 29, 12:55 PM CDT	Severe Thunderstorm Warning	OUN	Grant, Kay	50 min
Apr 29, 1:11 PM CDT	Special Weather Statement	OUN	Garfield	49 min
Apr 29, 1:14 PM CDT	Special Weather Statement	OUN	Jackson	46 min
Apr 29, 1:34 PM CDT	Severe Thunderstorm Warning	OUN	Jackson, Kiowa, Tillman	56 min
Apr 29, 1:42 PM CDT	Severe Thunderstorm Warning	OUN	Kay	33 min
Apr 29, 1:46 PM CDT	Special Weather Statement	OUN	Kiowa	44 min
Apr 29, 2:15 PM CDT	Severe Thunderstorm Warning	OUN	Kay	15 min
Apr 29, 2:20 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Comanche, Jackson, Kiowa, Tillman	55 min
Apr 29, 2:29 PM CDT	Special Weather Statement	OUN	Logan, Payne	46 min
Apr 29, 2:31 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Kiowa, Tillman	44 min
Apr 29, 2:54 PM CDT	Special Weather Statement	OUN	Kay	36 min
Apr 29, 3:04 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Comanche	56 min
Apr 29, 3:08 PM CDT	Special Weather Statement	OUN	Kay, Noble	37 min
Apr 29, 3:12 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Comanche	63 min
Apr 29, 3:20 PM CDT	Tornado Warning	OUN	Caddo, Comanche, Grady	40 min
Apr 29, 3:51 PM CDT	Areal Flood Advisory	OUN	Caddo, Comanche, Kiowa, Tillman	3 hr
Apr 29, 3:56 PM CDT	Tornado Warning	OUN	Caddo, Comanche, Grady	49 min
Apr 29, 4:05 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Grady, Jefferson, Stephens	40 min
Apr 29, 4:09 PM CDT	Areal Flood Advisory	OUN	Caddo, Comanche, Grady, Stephens	51 min
Apr 29, 4:27 PM CDT	Severe Thunderstorm Warning	OUN	Bryan	48 min
Apr 29, 4:29 PM CDT	Tornado Warning	OUN	Cleveland, Grady, McClain	46 min
Apr 29, 4:40 PM CDT	Flash Flood Warning	OUN	Caddo, Cleveland, Grady, McClain	3 hr
Apr 29, 4:43 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Garvin, Grady, Jefferson, McClain, Stephens	47 min
Apr 29, 5:04 PM CDT	Special Weather Statement	OUN	McClain	41 min
Apr 29, 5:08 PM CDT	Areal Flood Advisory	OUN	Cleveland, McClain	3 hr
Apr 29, 5:09 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, McClain, Oklahoma, Pottawatomie	51 min
Apr 29, 5:31 PM CDT	Flash Flood Warning	OUN	Bryan	3 hr
Apr 29, 5:39 PM CDT	Special Weather Statement	OUN	Garvin, Pontotoc	66 min
Apr 29, 5:45 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, McClain, Murray, Pontotoc	45 min
Apr 29, 5:48 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Garvin, Jefferson, Love, Marshall, Murray	57 min
Apr 29, 5:49 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Pottawatomie, Seminole	56 min
Apr 29, 5:55 PM CDT	Special Weather Statement	OUN	Johnston	50 min
Apr 29, 6:00 PM CDT	Areal Flood Advisory	OUN	Cleveland, Garvin, McClain, Pottawatomie, Stephens	2 hr
Apr 29, 6:05 PM CDT	Special Weather Statement	OUN	Atoka, Bryan	55 min
Apr 29, 6:30 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, Johnston, Murray, Pontotoc, Pottawatomie, Seminole	45 min
Apr 29, 6:41 PM CDT	Special Weather Statement	OUN	Carter	49 min
Apr 29, 6:49 PM CDT	Flash Flood Warning	OUN	Hughes, Pontotoc, Pottawatomie, Seminole	41 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.