Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 697, NWS Norman, OK

July 2, 2019Garfield County, Kingfisher County, Logan County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jul 2, 2019, 6:03 PM CDT for Garfield County, Kingfisher County, Logan 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: Jul 2, 2019, 6:03 PM CDT (23:03 UTC)
Expired: Jul 2, 2019, 6:45 PM CDT
In force: 42 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Garfield County, OK, Kingfisher County, OK, Logan County, OK

The radar

The Vance AFB radar (KVNX), 82 km from the middle of the area, began a volume at 23:05 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

Springfield, MO (KSGF), launched 12:00Z, 11.1 hours before the alert went out and 362 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: 1306 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 757 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: -39 m²/s²
0-3 km storm-relative helicity: 43 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 Jul 2, 3:50 PM CDT, 2 hours 13 minutes earlier.

Area forecast discussion, Jul 2, 3:50 PM CDT, 2 hours 13 minutes before

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Hazardous weather outlook, Jul 2, 11:30 AM CDT, 6 hours 33 minutes before

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In the hours before

Special weather statement, Jul 2, 5:04 PM CDT, 59 minutes before

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Special weather statement, Jul 2, 5:12 PM CDT, 51 minutes before

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Special weather statement, Jul 2, 5:15 PM CDT, 48 minutes before

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Special weather statement, Jul 2, 5:32 PM CDT, 31 minutes before

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Special weather statement, Jul 2, 5:40 PM CDT, 23 minutes before

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Special weather statement, Jul 2, 5:49 PM CDT, 14 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
Jul 2, 1:07 PM CDT	Special Weather Statement	OUN	Roger Mills	23 min
Jul 2, 2:29 PM CDT	Special Weather Statement	OUN	Harmon	31 min
Jul 2, 3:07 PM CDT	Special Weather Statement	OUN	Greer	38 min
Jul 2, 3:48 PM CDT	Special Weather Statement	OUN	Blaine	42 min
Jul 2, 4:11 PM CDT	Special Weather Statement	OUN	Kiowa	49 min
Jul 2, 4:32 PM CDT	Special Weather Statement	OUN	Blaine	43 min
Jul 2, 4:39 PM CDT	Special Weather Statement	OUN	Comanche	36 min
Jul 2, 4:45 PM CDT	Areal Flood Advisory	OUN	Comanche	3 hr
Jul 2, 4:53 PM CDT	Special Weather Statement	OUN	Comanche	37 min
Jul 2, 4:56 PM CDT	Special Weather Statement	OUN	Tillman	49 min
Jul 2, 5:04 PM CDT	Special Weather Statement	OUN	Kingfisher	26 min
Jul 2, 5:12 PM CDT	Special Weather Statement	OUN	Comanche	33 min
Jul 2, 5:15 PM CDT	Special Weather Statement	OUN	Canadian	30 min
Jul 2, 5:23 PM CDT	Areal Flood Advisory	OUN	Kingfisher	3 hr
Jul 2, 5:32 PM CDT	Special Weather Statement	OUN	Washita	28 min
Jul 2, 5:40 PM CDT	Special Weather Statement	OUN	Logan	50 min
Jul 2, 5:49 PM CDT	Special Weather Statement	OUN	Garfield	41 min
Jul 2, 6:11 PM CDT	Special Weather Statement	OUN	Caddo	49 min
Jul 2, 6:18 PM CDT	Special Weather Statement	OUN	Garfield	57 min
Jul 2, 6:27 PM CDT	Severe Thunderstorm Warning	OUN	Logan, Noble, Payne	48 min
Jul 2, 6:28 PM CDT	Special Weather Statement	OUN	Logan	32 min
Jul 2, 6:31 PM CDT	Special Weather Statement	OUN	Woods	44 min
Jul 2, 6:33 PM CDT	Special Weather Statement	OUN	Grant	27 min
Jul 2, 6:52 PM CDT	Special Weather Statement	OUN	Grant	38 min
Jul 2, 6:54 PM CDT	Special Weather Statement	OUN	Major	51 min
Jul 2, 6:55 PM CDT	Special Weather Statement	OUN	Woods	50 min
Jul 2, 6:57 PM CDT	Areal Flood Advisory	OUN	Grant	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.