Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 730, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Jul 8, 2019, 7:56 PM CDT for Dewey County, Major County, Oklahoma. It was in force for 49 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 8, 2019, 7:56 PM CDT (00:56 UTC)
- Expired
- Jul 8, 2019, 8:45 PM CDT
- In force
- 49 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Dewey County, OK, Major County, OK
The radar
The Vance AFB radar (KVNX), 87 km from the middle of the area, began a volume at 00:55 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, 0.9 hours before the alert went out and 206 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
- 1202 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 1550 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 3.9
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 8, 6:36 PM CDT, 1 hour 20 minutes earlier.
Area forecast discussion, Jul 8, 6:36 PM CDT, 1 hour 20 minutes before
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</html>Hazardous weather outlook, Jul 8, 12:10 PM CDT, 7 hours 46 minutes before
Hazardous Weather Outlook...UPDATED National Weather Service Norman OK 1210 PM CDT Mon Jul 8 2019 OKZ004>048-050>052-TXZ083>090-091715- 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- 1210 PM CDT Mon Jul 8 2019 This hazardous weather outlook is for portions of northern... western...central...and southern Oklahoma...and western north Texas. .DAY ONE...Through Tonight... .Thunderstorms... Isolated to scattered thunderstorms are expected through the afternoon and evening across most of the area. The greatest concentration of storms is expected generally east of a line from Enid to Shawnee to Duncan. Another area of greater storm covered may be across western Oklahoma and western north Texas later this evening as thunderstorms develop in the Texas panhandle and west Texas this afternoon and move east into the area. Any of these storms could produce strong wind gusts, lightning, heavy rainfall, localized flooding. A few isolated severe wind gusts are possible, but widespread severe storms are not expected. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday... .Thunderstorms... There is the potential for thunderstorms in north central Oklahoma on Tuesday evening and again across more areas on Wednesday afternoon and Wednesday night. .Heat... Warmer temperatures are expected this week. The warmest days will be on Tuesday and Wednesday where the highest afternoon heat index values will range between 95 and 110. 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, Jul 8, 4:32 PM CDT, 3 hours 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
432 PM CDT Mon Jul 8 2019
OKZ025-082215-
Oklahoma OK-
432 PM CDT Mon Jul 8 2019
...SIGNIFICANT WEATHER ADVISORY FOR northeastern Oklahoma County
Until 515 PM CDT...
AT 431 PM CDT, a strong thunderstorm was located over northeastern
Oklahoma City, moving northeast at 15 MPH.
HAZARDS INCLUDE...
Hail up to the size of nickels...
Wind gusts over 50 MPH...
Minor flooding in areas of poor drainage...
Heavy rain can lead to reduced visibility...
Frequent cloud to ground lightning...
Locations impacted include...
Northeastern Oklahoma City, southeastern Edmond, Midwest City,
Choctaw, Harrah, Spencer, Jones, Nicoma Park, Luther and Arcadia.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the weather situation closely and be alert for threatening
weather conditions.
&&
LAT...LON 3546 9730 3550 9739 3570 9732 3565 9714
3551 9714
TIME...MOT...LOC 2131Z 218DEG 12KT 3552 9732
03Local storm report, Jul 8, 5:20 PM CDT, 2 hours 36 minutes before
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</html>Local storm report, Jul 8, 6:11 PM CDT, 1 hour 45 minutes before
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</html>Special weather statement, Jul 8, 6:29 PM CDT, 1 hour 27 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 |
|---|---|---|---|---|
| Jul 8, 7:00 PM CDT | Special Weather Statement | OUN | Kingfisher | 45 min |
| Jul 8, 7:01 PM CDT | Special Weather Statement | OUN | Dewey | 44 min |
| Jul 8, 7:35 PM CDT | Special Weather Statement | OUN | Dewey | 40 min |
| Jul 8, 8:15 PM CDT | Special Weather Statement | OUN | Garfield | 30 min |
| Jul 8, 8:26 PM CDT | Special Weather Statement | OUN | Major | 64 min |
| Jul 8, 8:37 PM CDT | Special Weather Statement | OUN | Woods | 53 min |
| Jul 9, 2:58 AM CDT | Heat Advisory | OUN | Alfalfa, Atoka, Blaine, Bryan, Caddo, Canadian and 32 more | 41 hr |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2019Every 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.