Alert archive / Oklahoma / Special Weather Statements in 2018
Special Weather Statement, NWS Norman, OK
NWS Norman, OK issued this special weather statement at Jul 14, 2018, 6:21 PM CDT for Comanche County, Oklahoma. It was in force for 24 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
- Jul 14, 2018, 6:21 PM CDT (23:21 UTC)
- Expired
- Jul 14, 2018, 6:45 PM CDT
- In force
- 24 min
- Issued by
- NWS Norman, OK
County Comanche County, OK
The radar
The Altus AFB radar (KFDR), 49 km from the middle of the area, began a volume at 23:21 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, 11.4 hours before the alert went out and 129 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
- 260 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 1662 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 107 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
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 Jul 14, 2:42 PM CDT, 3 hours 39 minutes earlier.
Area forecast discussion, Jul 14, 2:42 PM CDT, 3 hours 39 minutes before
Area Forecast Discussion National Weather Service Norman OK 242 PM CDT Sat Jul 14 2018 .DISCUSSION... Showers and thunderstorms will continue to develop and move across parts of the area the rest of this afternoon into Sunday. Differential heating due to cloud cover today will aid in development this afternoon. Other boundaries and an upper wave will also aid in storm development the rest of this afternoon into tomorrow. Strong winds, small hail, and very heavy rain will be the main concerns. Models show generally NW/N flow developing over the region for the first half of next week with rain chances gradually shifting N and E of the fa by the middle of next week as the upper high strengthens over the western U.S. There will be a chance rain could clip NE/Far E portions of the fa the middle of next week before rain chances end for the rest of the week. Models also show that a frontal boundary could move into parts of the area Monday which could help in storm development. Another frontal boundary could also move into the region Thursday but this front is currently expected to remain dry. Models show that the the region will be influenced more by the upper high the latter half of next week leading to hotter temperatures and the dry forecast. Even though heat is a concern over the next few days, with hotter temperatures next week, the heat is expected to become even more of a problem for the area. && .PRELIMINARY POINT TEMPS/POPS... Oklahoma City OK 75 96 75 97 / 30 30 20 30 Hobart OK 75 98 76 99 / 30 20 20 20 Wichita Falls TX 75 99 76 102 / 20 20 10 10 Gage OK 71 97 71 95 / 30 20 20 40 Ponca City OK 75 96 74 95 / 40 30 30 20 Durant OK 76 97 76 99 / 20 10 10 10 && .OUN WATCHES/WARNINGS/ADVISORIES... OK...None. TX...None. && 17/25
Hazardous weather outlook, Jul 14, 12:00 PM CDT, 6 hours 21 minutes before
Hazardous Weather Outlook National Weather Service Norman OK 1200 PM CDT Sat Jul 14 2018 OKZ004>048-050>052-TXZ083>090-151700- 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- 1200 PM CDT Sat Jul 14 2018 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... Scattered thunderstorms are expected again today. A few storms may produce strong wind gusts up to 60 mph, small hail, and very heavy rainfall which may result in localized flooding. .Heat... Heat index values will reach triple digits across north Texas and southern Oklahoma and the upper 90s across northern Oklahoma today. .DAYS TWO THROUGH SEVEN...Sunday through Friday... .Heat... Temperatures and heat index values are expected to be even higher next week. Heat index values will be over 105 and may approach 110 in some areas on Wednesday and Thursday afternoon. .Thunderstorms... The chances of thunderstorms will continue through Wednesday, although storms are not expected to be widespread. The strongest storms will be capable of producing strong and gusty winds as well as locally heavy rainfall. Get graphics and more details at weather.gov/norman...and follow our weather forecast office on Twitter and Facebook. MBS
In the hours before
Special weather statement, Jul 14, 5:32 PM CDT, 49 minutes before
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</html>Local storm report, Jul 14, 6:19 PM CDT, 2 minutes before
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</html>Special weather statement, Jul 14, 6:21 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 |
|---|---|---|---|---|
| Jul 13, 7:32 PM CDT | Special Weather Statement | OUN | Kiowa | 28 min |
| Jul 13, 8:14 PM CDT | Special Weather Statement | OUN | Kiowa | 31 min |
| Jul 13, 10:19 PM CDT | Special Weather Statement | OUN | Comanche | 41 min |
| Jul 14, 2:03 AM CDT | Special Weather Statement | OUN | Grant | 27 min |
| Jul 14, 2:02 PM CDT | Special Weather Statement | OUN | Oklahoma | 28 min |
| Jul 14, 2:26 PM CDT | Special Weather Statement | OUN | Oklahoma | 34 min |
| Jul 14, 2:38 PM CDT | Special Weather Statement | OUN | Cleveland | 37 min |
| Jul 14, 2:45 PM CDT | Severe Thunderstorm Warning | OUN | Oklahoma | 30 min |
| Jul 14, 3:14 PM CDT | Severe Thunderstorm Warning | OUN | Oklahoma | 23 min |
| Jul 14, 4:00 PM CDT | Special Weather Statement | OUN | Roger Mills | 30 min |
| Jul 14, 4:27 PM CDT | Severe Thunderstorm Warning | OUN | Beckham, Custer, Dewey, Roger Mills | 26 min |
| Jul 14, 4:51 PM CDT | Special Weather Statement | OUN | Custer | 24 min |
| Jul 14, 5:32 PM CDT | Special Weather Statement | OUN | Custer, Dewey, Greer | 28 min |
| Jul 14, 6:13 PM CDT | Special Weather Statement | OUN | Custer | 17 min |
| Jul 14, 6:16 PM CDT | Special Weather Statement | OUN | Tillman | 29 min |
| Jul 14, 6:42 PM CDT | Severe Thunderstorm Warning | OUN | Comanche | 36 min |
| Jul 14, 6:51 PM CDT | Special Weather Statement | OUN | Grady | 24 min |
| Jul 14, 1:58 PM CDT | Special Weather Statement | OUN | Clay | 32 min |
| Jul 14, 4:32 PM CDT | Special Weather Statement | OUN | Archer | 28 min |
| Jul 14, 5:40 PM CDT | Special Weather Statement | OUN | Baylor | 35 min |
Nearby
Special Weather Statements in Oklahoma, 2018Every special weather statement in 2018
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.