Alert archive / Oklahoma / Flash Flood Warnings in 2016
Flash Flood Warning 113, NWS Norman, OK
NWS Norman, OK issued this flash flood warning at Sep 24, 2016, 4:37 PM CDT for 4 counties in Oklahoma. It was in force for 3 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Sep 24, 2016, 4:37 PM CDT (21:37 UTC)
- Expired
- Sep 24, 2016, 7:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Flood severity
- None
Counties Beckham County, OK, Custer County, OK, Roger Mills County, OK, Washita County, OK
The radar
The Altus AFB radar (KFDR), 120 km from the middle of the area, began a volume at 21:40 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 24, 4:54 PM CDT | FLASH FLOOD | Elk City, OK | RELAYED VIA TWITTER. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 9.6 hours before the alert went out and 188 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
- 1262 J/kg
- Mixed-layer CIN
- -80 J/kg
- Mixed-layer LCL
- 961 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -40 m²/s²
- 0-3 km storm-relative helicity
- -8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
332 WGUS54 KOUN 242137 FFWOUN OKC009-039-129-149-250030- /O.NEW.KOUN.FF.W.0113.160924T2137Z-160925T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE NORMAN OK 437 PM CDT SAT SEP 24 2016 THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHEASTERN ROGER MILLS COUNTY IN WESTERN OKLAHOMA... SOUTHWESTERN CUSTER COUNTY IN WESTERN OKLAHOMA... NORTHWESTERN WASHITA COUNTY IN WESTERN OKLAHOMA... EASTERN BECKHAM COUNTY IN WESTERN OKLAHOMA... * UNTIL 730 PM CDT * AT 437 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE ALREADY FALLEN. FLASH FLOODING IS OCCURRING OR IS IMMINENT. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... ELK CITY AND CARTER. ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE POSSIBLE IN THE WARNED AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. && LAT...LON 3553 9950 3554 9927 3512 9942 3512 9962 $$ KURTZ
2 follow-up statements
730 WGUS74 KOUN 242157 FFSOUN FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE NORMAN OK 457 PM CDT SAT SEP 24 2016 OKC009-039-129-149-250030- /O.CON.KOUN.FF.W.0113.000000T0000Z-160925T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ ROGER MILLS OK-CUSTER OK-WASHITA OK-BECKHAM OK- 457 PM CDT SAT SEP 24 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR SOUTHEASTERN ROGER MILLS...SOUTHWESTERN CUSTER...NORTHWESTERN WASHITA AND EASTERN BECKHAM COUNTIES... AT 456 PM CDT...THE PUBLIC REPORTED FLASH FLOODING OCCURRING IN DOWNTOWN ELK CITY. UP TO TWO AND A HALF INCHES OF RAIN HAS ALREADY FALLEN. FLASH FLOODING IS ALREADY OCCURRING. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... ELK CITY AND CARTER. ADDITIONAL RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE POSSIBLE IN THE WARNED AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. && LAT...LON 3553 9950 3554 9927 3512 9942 3512 9962 $$ KURTZ
209 WGUS74 KOUN 250028 FFSOUN FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE NORMAN OK 728 PM CDT SAT SEP 24 2016 OKC009-039-129-149-250038- /O.EXP.KOUN.FF.W.0113.000000T0000Z-160925T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ ROGER MILLS OK-CUSTER OK-WASHITA OK-BECKHAM OK- 728 PM CDT SAT SEP 24 2016 ...THE FLASH FLOOD WARNING FOR SOUTHEASTERN ROGER MILLS... SOUTHWESTERN CUSTER...NORTHWESTERN WASHITA AND EASTERN BECKHAM COUNTIES WILL EXPIRE AT 730 PM CDT... THE HEAVY RAIN HAS ENDED. FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES. LAT...LON 3553 9950 3554 9927 3512 9942 3512 9962 $$ KURTZ
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 24, 12:31 PM CDT | Special Weather Statement | OUN | Major | 29 min |
| Sep 24, 1:02 PM CDT | Special Weather Statement | OUN | Alfalfa | 28 min |
| Sep 24, 1:09 PM CDT | Special Weather Statement | OUN | Roger Mills | 36 min |
| Sep 24, 1:11 PM CDT | Special Weather Statement | OUN | Jackson | 34 min |
| Sep 24, 1:40 PM CDT | Special Weather Statement | OUN | Ellis, Roger Mills | 50 min |
| Sep 24, 1:47 PM CDT | Special Weather Statement | OUN | Jackson, Kiowa, Washita | 43 min |
| Sep 24, 2:12 PM CDT | Areal Flood Advisory | OUN | Jackson, Kiowa | 3 hr |
| Sep 24, 2:14 PM CDT | Special Weather Statement | OUN | Alfalfa | 46 min |
| Sep 24, 2:31 PM CDT | Special Weather Statement | OUN | Woodward | 44 min |
| Sep 24, 3:02 PM CDT | Areal Flood Advisory | OUN | Dewey, Ellis, Roger Mills, Woodward | 3 hr |
| Sep 24, 3:10 PM CDT | Special Weather Statement | OUN | Canadian | 50 min |
| Sep 24, 3:15 PM CDT | Special Weather Statement | OUN | Alfalfa | 30 min |
| Sep 24, 3:21 PM CDT | Special Weather Statement | OUN | Woods, Woodward | 39 min |
| Sep 24, 3:30 PM CDT | Special Weather Statement | OUN | Kiowa | 45 min |
| Sep 24, 3:32 PM CDT | Special Weather Statement | OUN | Harmon | 43 min |
| Sep 24, 3:40 PM CDT | Areal Flood Advisory | OUN | Alfalfa, Major, Woods, Woodward | 3 hr |
| Sep 24, 3:44 PM CDT | Special Weather Statement | OUN | Washita | 31 min |
| Sep 24, 3:52 PM CDT | Special Weather Statement | OUN | Alfalfa, Beckham, Dewey, Roger Mills, Woods, Woodward | 53 min |
| Sep 24, 4:09 PM CDT | Flash Flood Warning | OUN | Dewey, Ellis, Roger Mills, Woodward | 4 hr |
| Sep 24, 4:13 PM CDT | Special Weather Statement | OUN | Kiowa | 47 min |
| Sep 24, 4:15 PM CDT | Special Weather Statement | OUN | Beckham, Greer, Harmon, Jackson | 45 min |
| Sep 24, 4:35 PM CDT | Flash Flood Warning | OUN | Comanche, Greer, Jackson, Kiowa, Tillman, Washita | 4 hr |
| Sep 24, 4:48 PM CDT | Special Weather Statement | OUN | Alfalfa, Custer, Dewey, Major | 42 min |
| Sep 24, 5:05 PM CDT | Areal Flood Advisory | OUN | Greer, Kiowa | 3 hr |
| Sep 24, 5:21 PM CDT | Special Weather Statement | OUN | Kiowa, Washita | 39 min |
| Sep 24, 5:35 PM CDT | Special Weather Statement | OUN | Grant | 25 min |
| Sep 24, 6:01 PM CDT | Special Weather Statement | OUN | Caddo | 44 min |
| Sep 24, 6:23 PM CDT | Areal Flood Advisory | OUN | Alfalfa, Garfield, Grant, Major | 3 hr |
| Sep 24, 6:49 PM CDT | Areal Flood Advisory | OUN | Blaine, Caddo, Canadian, Kiowa, Washita | 3 hr |
Nearby
Flash Flood Warnings in Oklahoma, 2016Every flash flood warning in 2016
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.