Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 586, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Aug 18, 2015, 6:56 PM CDT for Caddo County, Washita County, Oklahoma. It was in force for 36 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
- Aug 18, 2015, 6:56 PM CDT (23:56 UTC)
- Expired
- Aug 18, 2015, 7:32 PM CDT
- In force
- 36 min
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Caddo County, OK, Washita County, OK
The radar
The Altus AFB radar (KFDR), 100 km from the middle of the area, began a volume at 23:59 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 18, 3:06 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
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 Aug 18, 6:23 PM CDT, 33 minutes earlier.
Area forecast discussion, Aug 18, 6:23 PM CDT, 33 minutes before
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</html>Hazardous weather outlook, Aug 18, 3:21 PM CDT, 3 hours 35 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE NORMAN OK 321 PM CDT TUE AUG 18 2015 OKZ004>048-050>052-TXZ083>090-192030- 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- 321 PM CDT TUE AUG 18 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN... WESTERN...CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH TEXAS. .DAY ONE...TODAY AND TONIGHT... .THUNDERSTORMS... THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS LATE THIS AFTERNOON AND TONIGHT ACROSS PORTIONS OF WESTERN...CENTRAL...AND NORTHERN OKLAHOMA. LOCATION... THE SLIGHT RISK AREA IS NORTH AND WEST OF A LINE FROM WOODWARD TO CAMARGO TO KINGFISHER TO STILLWATER. TIMING... ALTHOUGH A FEW SEVERE THUNDERSTORMS WILL BE POSSIBLE AFTER 4 PM THIS AFTERNOON IN NORTHWEST OKLAHOMA...MORE NUMEROUS THUNDERSTORMS ARE EXPECTED FROM 6 PM UNTIL MIDNIGHT. IMPACTS... HAIL UP TO THE SIZE OF GOLF BALLS AND WIND GUSTS UP TO 70 MPH ARE EXPECTED WITH THE SEVERE STORMS. DISCUSSION... A COLD FRONT WILL MOVE INTO NORTHWESTERN OKLAHOMA LATE THIS AFTERNOON. A FEW SEVERE STORMS MAY DEVELOP ALONG THIS FRONT BEFORE 6 PM...BUT THE MAIN ACTIVITY WILL HAPPEN LATER TONIGHT AS THE FRONT MOVES THROUGH THE NORTHERN HALF OF OKLAHOMA. LARGE HAIL AND DAMAGING WINDS WILL BE THE MAIN THREATS ALTHOUGH LOCALLY HEAVY RAINFALL MAY ALSO RESULT IN FLASH FLOODING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY... .THUNDERSTORMS... SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE ACROSS MUCH OF THE REGION WEDNESDAY...AND AGAIN THIS WEEKEND. THE HIGHEST CHANCES FOR THUNDERSTORMS WILL BE DURING THE DAY WEDNESDAY ACROSS CENTRAL AND SOUTHERN OKLAHOMA. LOCALLY HEAVY RAINFALL AND A FEW STRONG WIND GUSTS WILL BE POSSIBLE DURING THE DAY WEDNESDAY. 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, Aug 18, 5:39 PM CDT, 1 hour 17 minutes before
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SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORMAN OK 548 PM CDT TUE AUG 18 2015 OKZ016-182315- CUSTER OK- 548 PM CDT TUE AUG 18 2015 ...SIGNIFICANT WEATHER ADVISORY FOR WESTERN CUSTER COUNTY UNTIL 615 PM CDT... AT 547 PM CDT...A STRONG THUNDERSTORM WAS LOCATED NEAR BUTLER... MOVING EAST AT 20 MPH. HAZARDS INCLUDE... HAIL UP TO ONE-HALF INCH DIAMETER... WIND GUSTS TO 40 MPH... MINOR FLOODING IN AREAS OF POOR DRAINAGE... THIS INCLUDES INTERSTATE 40 NEAR MILE MARKER 68. PRECAUTIONARY/PREPAREDNESS ACTIONS... MONITOR THE WEATHER SITUATION CLOSELY AND BE ALERT FOR THREATENING WEATHER CONDITIONS. && LAT...LON 3554 9931 3572 9931 3577 9893 3550 9892 TIME...MOT...LOC 2247Z 268DEG 17KT 3563 9923 30
Special weather statement, Aug 18, 6:12 PM CDT, 44 minutes before
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</html>Local storm report, Aug 18, 6:40 PM CDT, 16 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 |
|---|---|---|---|---|
| Aug 17, 9:55 PM CDT | Special Weather Statement | OUN | Harper | 35 min |
| Aug 18, 2:37 AM CDT | Special Weather Statement | OUN | Woods | 38 min |
| Aug 18, 2:56 AM CDT | Special Weather Statement | OUN | Alfalfa, Grant | 34 min |
| Aug 18, 5:01 PM CDT | Special Weather Statement | OUN | Kay | 29 min |
| Aug 18, 5:39 PM CDT | Special Weather Statement | OUN | Kay | 36 min |
| Aug 18, 5:48 PM CDT | Special Weather Statement | OUN | Custer | 27 min |
| Aug 18, 6:03 PM CDT | Severe Thunderstorm Warning | OUN | Custer | 42 min |
| Aug 18, 6:12 PM CDT | Special Weather Statement | OUN | Garfield | 33 min |
| Aug 18, 6:17 PM CDT | Special Weather Statement | OUN | Kay | 28 min |
| Aug 18, 6:20 PM CDT | Severe Thunderstorm Warning | OUN | Kay | 25 min |
| Aug 18, 6:58 PM CDT | Areal Flood Advisory | OUN | Kay | 4 hr |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2015Every severe thunderstorm warning in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.