Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 532, NWS Norman, OK

June 4, 2019Harper County, Woods County, Woodward County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jun 4, 2019, 12:33 AM CDT for Harper County, Woods County, Woodward County, Oklahoma. It was in force for 42 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: Jun 4, 2019, 12:33 AM CDT (05:33 UTC)
Expired: Jun 4, 2019, 1:15 AM CDT
In force: 42 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Harper County, OK, Woods County, OK, Woodward County, OK

The radar

The Vance AFB radar (KVNX), 102 km from the middle of the area, began a volume at 05:35 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 00:00Z, 5.6 hours before the alert went out and 136 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: 1203 J/kg
Mixed-layer CIN: -100 J/kg
Mixed-layer LCL: 1971 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 106 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jun 3, 6:09 PM CDT, 6 hours 24 minutes earlier.

Area forecast discussion, Jun 3, 6:09 PM CDT, 6 hours 24 minutes before

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Hazardous weather outlook, Jun 3, 10:56 PM CDT, 1 hour 37 minutes before

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In the hours before

Special weather statement, Jun 3, 8:42 PM CDT, 3 hours 51 minutes before

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Special weather statement, Jun 3, 10:36 PM CDT, 1 hour 57 minutes before

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Special weather statement, Jun 3, 11:02 PM CDT, 1 hour 31 minutes before

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Special weather statement, Jun 3, 11:32 PM CDT, 1 hour 1 minute before

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Special weather statement, Jun 3, 11:59 PM CDT, 34 minutes before

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Special weather statement, Jun 4, 12:14 AM CDT, 19 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 3, 7:43 PM CDT	Areal Flood Warning	OUN	Atoka, Bryan	3 hr
Jun 3, 8:08 PM CDT	Special Weather Statement	OUN	Atoka	52 min
Jun 3, 8:31 PM CDT	Special Weather Statement	OUN	Bryan	44 min
Jun 3, 8:42 PM CDT	Special Weather Statement	OUN	Murray	48 min
Jun 3, 10:36 PM CDT	Special Weather Statement	OUN	Harper	39 min
Jun 3, 11:02 PM CDT	Special Weather Statement	OUN	Woods	43 min
Jun 3, 11:12 PM CDT	Severe Thunderstorm Warning	OUN	Woods	48 min
Jun 3, 11:32 PM CDT	Special Weather Statement	OUN	Harper	43 min
Jun 3, 11:59 PM CDT	Special Weather Statement	OUN	Alfalfa	31 min
Jun 4, 12:14 AM CDT	Special Weather Statement	OUN	Harper, Woodward	46 min
Jun 4, 12:37 AM CDT	Special Weather Statement	OUN	Alfalfa	23 min
Jun 4, 12:59 AM CDT	Special Weather Statement	OUN	Ellis, Woods, Woodward	46 min
Jun 4, 1:04 AM CDT	Special Weather Statement	OUN	Alfalfa	41 min
Jun 4, 1:43 AM CDT	Special Weather Statement	OUN	Alfalfa, Ellis, Major, Woods, Woodward	47 min
Jun 4, 1:50 AM CDT	Special Weather Statement	OUN	Grant	40 min
Jun 4, 2:30 AM CDT	Special Weather Statement	OUN	Grant	45 min
Jun 4, 2:34 AM CDT	Special Weather Statement	OUN	Blaine, Custer, Dewey, Major, Roger Mills	41 min
Jun 4, 3:14 AM CDT	Special Weather Statement	OUN	Garfield, Kay, Noble	46 min
Jun 4, 3:20 AM CDT	Special Weather Statement	OUN	Blaine, Kingfisher, Logan	40 min
Jun 4, 3:22 AM CDT	Special Weather Statement	OUN	Beckham, Custer, Dewey, Roger Mills	38 min
Jun 4, 4:06 AM CDT	Special Weather Statement	OUN	Canadian, Oklahoma	24 min
Jun 4, 4:12 AM CDT	Special Weather Statement	OUN	Beckham	33 min
Jun 4, 4:42 AM CDT	Special Weather Statement	OUN	Washita	33 min
Jun 4, 5:34 AM CDT	Special Weather Statement	OUN	Oklahoma	26 min
Jun 4, 5:59 AM CDT	Special Weather Statement	OUN	Grady	16 min
Jun 4, 6:06 AM CDT	Special Weather Statement	OUN	Cleveland	24 min
Jun 4, 6:12 AM CDT	Special Weather Statement	OUN	Cleveland	33 min
Jun 4, 6:14 AM CDT	Special Weather Statement	OUN	Grady	31 min
Jun 4, 7:37 AM CDT	Special Weather Statement	OUN	Carter	38 min
Jun 4, 7:40 AM CDT	Special Weather Statement	OUN	Jefferson	35 min
Jun 4, 8:56 AM CDT	Areal Flood Advisory	OUN	Johnston, Marshall	6 hr
Jun 4, 9:42 AM CDT	Areal Flood Advisory	OUN	Carter, Jefferson, Johnston, Love, Marshall	3 hr
Jun 4, 11:04 AM CDT	Areal Flood Advisory	OUN	Atoka, Bryan, Johnston	116 min
Jun 4, 9:23 AM CDT	Areal Flood Advisory	OUN	Archer, Clay	3 hr
Jun 4, 11:01 AM CDT	Areal Flood Advisory	OUN	Archer, Clay	119 min
Jun 4, 12:23 PM CDT	Areal Flood Advisory	OUN	Clay	3 hr

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2019 Every severe thunderstorm warning in 2019

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.