Alert archive / Oklahoma / Flash Flood Warnings in 2019
Flash Flood Warning 148, NWS Norman, OK
NWS Norman, OK issued this flash flood warning at Sep 20, 2019, 6:23 PM CDT for Carter County, Jefferson County, Love County, Oklahoma. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 20, 2019, 6:23 PM CDT (23:23 UTC)
- Expired
- Sep 20, 2019, 9:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Flood severity
- None
Counties Carter County, OK, Jefferson County, OK, Love County, OK
The radar
The Norman radar (KTLX), 138 km from the middle of the area, began a volume at 23:22 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
Fort Worth, TX (KFWD), launched 12:00Z, 11.4 hours before the alert went out and 142 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
- 1145 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 640 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 166 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Sep 20, 2:54 PM CDT, 3 hours 29 minutes earlier.
Area forecast discussion, Sep 20, 2:54 PM CDT, 3 hours 29 minutes before
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</html>Hazardous weather outlook, Sep 20, 12:40 PM CDT, 5 hours 43 minutes before
Hazardous Weather Outlook National Weather Service Norman OK 1240 PM CDT Fri Sep 20 2019 OKZ004>048-050>052-TXZ083>090-211115- 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- 1240 PM CDT Fri Sep 20 2019 This hazardous weather outlook is for portions of northern... western...central...and southern Oklahoma...and western north Texas. .DAY ONE...Through Tonight... .Thunderstorms... Showers and thunderstorms will continue to develop across southern and western Oklahoma and western north Texas through the afternoon. Additional storms will form across western Texas with a general movement to the northeast. A few strong storms will be possible through this evening, especially across southwest Oklahoma and western north Texas. Some o the storms will also produce torrential downpours which may result in areas of flooding. .DAYS TWO THROUGH SEVEN...Saturday through Thursday... .Thunderstorms... Showers and thunderstorms will be possible across at least portions of the area through the middle of next week. Locally heavy rain will be the main concern throughout much of that time. However, a few strong to severe storms will be possible both Saturday and Sunday. 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, Sep 20, 1:16 PM CDT, 5 hours 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
116 PM CDT Fri Sep 20 2019
OKZ051-052-201845-
Marshall OK-Bryan OK-
116 PM CDT Fri Sep 20 2019
...SIGNIFICANT WEATHER ADVISORY FOR east central Marshall and
northwestern Bryan Counties Until 145 PM CDT...
AT 114 PM CDT, a strong thunderstorm was located near Durant, moving
east at 15 MPH.
HAZARDS INCLUDE...
Hail up to one-half inch diameter...
Wind gusts to 50 MPH...
Locations impacted include...
Durant, Caddo, Silo, Mead, Armstrong, Blue, Utica, eastern Lake
Texoma and Calera.
LAT...LON 3383 9624 3389 9659 3390 9659 3389 9661
3390 9664 3412 9651 3411 9646 3413 9645
3415 9615
TIME...MOT...LOC 1814Z 267DEG 13KT 3397 9640
MADSpecial weather statement, Sep 20, 1:53 PM CDT, 4 hours 30 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE Norman OK 153 PM CDT Fri Sep 20 2019 TXZ087-088-201930- Knox TX-Baylor TX- 153 PM CDT Fri Sep 20 2019 ...SIGNIFICANT WEATHER ADVISORY FOR east central Knox and southwestern Baylor Counties Until 230 PM CDT... AT 150 PM CDT, a strong thunderstorm was located near Bomarton, moving east at 15 MPH. HAZARDS INCLUDE... Hail up to one-half inch diameter... Wind gusts to 50 MPH... Locations impacted include... Seymour, Red Springs and Bomarton. LAT...LON 3344 9951 3363 9952 3369 9917 3342 9916 TIME...MOT...LOC 1850Z 267DEG 13KT 3355 9941 MAD
Local storm report, Sep 20, 2:32 PM CDT, 3 hours 51 minutes before
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</html>Special weather statement, Sep 20, 3:13 PM CDT, 3 hours 10 minutes before
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</html>Local storm report, Sep 20, 4:25 PM CDT, 1 hour 58 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 |
|---|---|---|---|---|
| Sep 20, 1:16 PM CDT | Special Weather Statement | OUN | Bryan | 29 min |
| Sep 20, 2:11 PM CDT | Areal Flood Advisory | OUN | Bryan | 3 hr |
| Sep 20, 2:18 PM CDT | Areal Flood Advisory | OUN | Bryan | 3 hr |
| Sep 20, 2:29 PM CDT | Areal Flood Advisory | OUN | Johnston, Marshall | 3 hr |
| Sep 20, 2:36 PM CDT | Flash Flood Warning | OUN | Bryan | 3 hr |
| Sep 20, 2:44 PM CDT | Areal Flood Advisory | OUN | Carter, Jefferson, Love | 3 hr |
| Sep 20, 2:47 PM CDT | Areal Flood Advisory | OUN | Atoka, Bryan, Johnston, Marshall | 3 hr |
| Sep 20, 2:53 PM CDT | Areal Flood Advisory | OUN | Atoka, Bryan, Coal, Johnston | 3 hr |
| Sep 20, 3:34 PM CDT | Areal Flood Advisory | OUN | Bryan | 3 hr |
| Sep 20, 3:42 PM CDT | Areal Flood Advisory | OUN | Carter, Murray | 3 hr |
| Sep 20, 4:24 PM CDT | Areal Flood Advisory | OUN | Love | 3 hr |
| Sep 20, 5:00 PM CDT | Areal Flood Advisory | OUN | Love, Marshall | 3 hr |
| Sep 20, 5:42 PM CDT | Areal Flood Advisory | OUN | Garvin, Grady | 3 hr |
| Sep 20, 5:54 PM CDT | Areal Flood Advisory | OUN | Carter, Jefferson, Love | 3 hr |
| Sep 20, 6:04 PM CDT | Areal Flood Advisory | OUN | Bryan, Carter, Johnston, Love, Marshall | 3 hr |
| Sep 20, 1:53 PM CDT | Special Weather Statement | OUN | Baylor | 37 min |
| Sep 20, 3:13 PM CDT | Special Weather Statement | OUN | Baylor | 32 min |
| Sep 20, 4:55 PM CDT | Areal Flood Advisory | OUN | Clay | 3 hr |
| Sep 20, 6:35 PM CDT | Special Weather Statement | OUN | Foard, Knox | 55 min |
Nearby
Flash Flood Warnings in Oklahoma, 2019Every flash flood 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.