Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 263, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at May 8, 2019, 8:59 PM CDT for Tillman County, Oklahoma. It was in force for 46 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
- May 8, 2019, 8:59 PM CDT (01:59 UTC)
- Expired
- May 8, 2019, 9:45 PM CDT
- In force
- 46 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Hail
- 1.75 in
- Wind
- 60.0 mph
County Tillman County, OK
The radar
The Altus AFB radar (KFDR), 5 km from the middle of the area, began a volume at 02:02 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 00:00Z, 2.0 hours before the alert went out and 229 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 828 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 133 m²/s²
- 0-3 km storm-relative helicity
- 169 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 May 8, 4:05 PM CDT, 4 hours 54 minutes earlier.
Area forecast discussion, May 8, 4:05 PM CDT, 4 hours 54 minutes before
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</html>Hazardous weather outlook, May 8, 11:56 AM CDT, 9 hours 3 minutes before
Hazardous Weather Outlook National Weather Service Norman OK 1156 AM CDT Wed May 8 2019 OKZ004>048-050>052-TXZ083>090-091700- 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- 1156 AM CDT Wed May 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... There is a marginal risk of severe storms this afternoon and evening across much of Oklahoma and western north Texas. Timing... 4 PM to 10 PM. Impacts... Hail up to the size of half dollars. Damaging winds up to 60 mph. Discussion... A cold front will surge south across Oklahoma and north Texas, providing a focus for thunderstorm development. Coverage is expected to remain isolated to scattered, however, some of the storms may produce hail and damaging wind gusts. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday... .Thunderstorms... There is a chance of thunderstorms late Friday into Saturday, and again Monday and Tuesday, but severe storms are not expected at this time. Get graphics and more details at weather.gov/norman...and follow our weather forecast office on Twitter and Facebook. Mahale
In the hours before
Special weather statement, May 8, 4:15 PM CDT, 4 hours 44 minutes before
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</html>Special weather statement, May 8, 4:43 PM CDT, 4 hours 16 minutes before
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</html>Special weather statement, May 8, 5:15 PM CDT, 3 hours 44 minutes before
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</html>Special weather statement, May 8, 5:38 PM CDT, 3 hours 21 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE Norman OK 538 PM CDT Wed May 8 2019 OKZ021-033-034-082315- Harmon OK-Beckham OK-Greer OK- 538 PM CDT Wed May 8 2019 ...SIGNIFICANT WEATHER ADVISORY FOR northern Harmon...southwestern Beckham and northwestern Greer Counties Until 615 PM CDT... AT 534 PM CDT, a strong thunderstorm was located 11 miles northwest of Vinson, moving east at 20 MPH. HAZARDS INCLUDE... Hail up to one-half inch diameter... Wind gusts to 50 MPH... Minor flooding in areas of poor drainage... PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the weather situation closely and be alert for threatening weather conditions. && LAT...LON 3513 10000 3516 9966 3484 9970 3492 10000 TIME...MOT...LOC 2234Z 270DEG 19KT 3503 9998 BRB
Special weather statement, May 8, 6:50 PM CDT, 2 hours 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
650 PM CDT Wed May 8 2019
OKZ033-034-090015-
Harmon OK-Greer OK-
650 PM CDT Wed May 8 2019
...SIGNIFICANT WEATHER ADVISORY FOR central Harmon and central Greer
Counties Until 715 PM CDT...
AT 649 PM CDT, strong thunderstorms were along a line extending from
4 miles northwest of Mangum to near Vinson to 9 miles northeast of
Dodson, moving southeast at 10 MPH.
HAZARDS INCLUDE...
Hail up to one-half inch diameter...
Wind gusts to 40 MPH...
Minor flooding in areas of poor drainage...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the weather situation closely and be alert for threatening
weather conditions.
&&
LAT...LON 3495 10000 3497 9970 3504 9953 3491 9930
3481 9941 3477 9964 3472 10000
TIME...MOT...LOC 2349Z 323DEG 9KT 3493 9956 3490 9986 3490 9995
BRBThe office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 7:17 PM CDT | Special Weather Statement | OUN | Jackson | 28 min |
| May 8, 7:41 PM CDT | Special Weather Statement | OUN | Harmon | 34 min |
| May 8, 7:45 PM CDT | Special Weather Statement | OUN | Jackson | 30 min |
| May 8, 8:18 PM CDT | Special Weather Statement | OUN | Jackson | 27 min |
| May 8, 8:28 PM CDT | Severe Thunderstorm Warning | OUN | Jackson, Tillman | 47 min |
| May 8, 9:44 PM CDT | Severe Thunderstorm Warning | OUN | Cotton, Tillman | 26 min |
| May 9, 12:26 AM CDT | River Flood Warning | OUN | Harper, Woods, Woodward | 35 hr |
| May 9, 3:26 AM CDT | River Flood Warning | OUN | Logan | 23 hr |
| May 9, 3:28 AM CDT | River Flood Warning | OUN | Logan | 10 hr |
| May 9, 5:17 AM CDT | Special Weather Statement | OUN | Tillman | 28 min |
| May 9, 5:50 AM CDT | River Flood Warning | OUN | Blaine, Kingfisher, Major | 27 hr |
| May 8, 10:36 PM CDT | Special Weather Statement | OUN | Wichita | 24 min |
| May 9, 3:46 AM CDT | Special Weather Statement | OUN | Foard, Hardeman | 29 min |
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.