Alert archive / Oklahoma / Special Weather Statements in 2021
Special Weather Statement, NWS Norman, OK
NWS Norman, OK issued this special weather statement at Jun 30, 2021, 4:53 PM CDT for Garfield County, Oklahoma. It was in force for 37 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 30, 2021, 4:53 PM CDT (21:53 UTC)
- Expired
- Jun 30, 2021, 5:30 PM CDT
- In force
- 37 min
- Issued by
- NWS Norman, OK
County Garfield County, OK
The radar
The Vance AFB radar (KVNX), 75 km from the middle of the area, began a volume at 21:53 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 12:00Z, 9.9 hours before the alert went out and 265 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.
- Mixed-layer CAPE
- 59 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 549 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>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 30, 2:14 PM CDT, 2 hours 39 minutes earlier.
Area forecast discussion, Jun 30, 2:14 PM CDT, 2 hours 39 minutes before
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</html>Hazardous weather outlook, Jun 30, 11:39 AM CDT, 5 hours 14 minutes before
Hazardous Weather Outlook...UPDATED National Weather Service Norman OK 1139 AM CDT Wed Jun 30 2021 OKZ004>048-050>052-TXZ083>090-011645- Harper-Woods-Alfalfa-Grant-Kay-Ellis-Woodward-Major-Garfield- Noble-Roger Mills-Dewey-Custer-Blaine-Kingfisher-Logan-Payne- Beckham-Washita-Caddo-Canadian-Oklahoma-Lincoln-Grady-McClain- Cleveland-Pottawatomie-Seminole-Hughes-Harmon-Greer-Kiowa-Jackson- Tillman-Comanche-Stephens-Garvin-Murray-Pontotoc-Coal-Cotton- Jefferson-Carter-Johnston-Atoka-Love-Marshall-Bryan-Hardeman- Foard-Wilbarger-Wichita-Knox-Baylor-Archer-Clay- 1139 AM CDT Wed Jun 30 2021 This hazardous weather outlook is for portions of northern... western...central...and southern Oklahoma...and western north Texas. .DAY ONE...This Afternoon and Tonight... .Thunderstorms... Isolated to widely scattered showers and thunderstorms will remain possible across portions of the area this afternoon and then become more numerous tonight, especially in northern Oklahoma. No severe storms are expected, but heavy rain associated with storms will increase the threat of flooding. .Heavy Rain... Although brief in nature, heavy rain, especially in areas where the ground is saturated, could lead to flooding in some locations through tonight. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday... .Thunderstorms... Thunderstorm chances will increase on Thursday and Thursday night as a cold front moves southward across the area. Storm chances then gradually shift southward into southern Oklahoma and western north Texas by Friday into the weekend. .Heavy Rain... Because of saturated ground across much of the area, a risk for flooding will continue through Friday. Get graphics and more details at weather.gov/norman...and follow our weather forecast office on Twitter and Facebook.
In the hours before
Special weather statement, Jun 30, 4:48 PM CDT, 5 minutes before
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</html>Local storm report, Jun 30, 4:53 PM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 8:44 PM CDT | Areal Flood Advisory | OUN | Jefferson, Stephens | 3 hr |
| Jun 29, 9:52 PM CDT | Areal Flood Advisory | OUN | Cleveland, McClain, Oklahoma | 3 hr |
| Jun 30, 8:26 AM CDT | River Flood Warning | OUN | Kingfisher, Logan | 48 hr |
| Jun 30, 8:29 AM CDT | River Flood Warning | OUN | Payne | 3 days |
| Jun 30, 9:43 AM CDT | River Flood Advisory | OUN | Love | 29 hr |
| Jun 30, 1:14 PM CDT | Flood Watch | OUN | Alfalfa, Beckham, Blaine, Caddo, Canadian, Cleveland and 25 more | 47 hr |
| Jun 30, 4:48 PM CDT | Special Weather Statement | OUN | Kay | 27 min |
| Jun 30, 5:24 PM CDT | Special Weather Statement | OUN | Kay | 36 min |
Nearby
Special Weather Statements in Oklahoma, 2021Every special weather statement in 2021
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.