Alert archive / Oklahoma / Flash Flood Warnings in 2012
Flash Flood Warning 9, NWS Norman, OK
NWS Norman, OK issued this flash flood warning at Oct 13, 2012, 10:30 PM CDT for Bryan County, 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
- Oct 13, 2012, 10:30 PM CDT (03:30 UTC)
- Expired
- Oct 14, 2012, 1:30 AM CDT
- In force
- 3 hr
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Flood severity
- None
County Bryan County, OK
The radar
The Dallas/Ft Worth radar (KFWS), 181 km from the middle of the area, began a volume at 03:31 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 |
|---|---|---|---|
| Oct 13, 11:30 PM CDT | FLASH FLOOD | Colbert, OK | FLOODING AT THE SOUTHERN POINTE LIVING CENTER FROM EXCESSIVE RAINFALL |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 3.5 hours before the alert went out and 159 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
- 1344 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 759 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 324 m²/s²
- 0-3 km storm-relative helicity
- 345 m²/s²
- Significant tornado parameter
- 3.1
- Supercell composite
- 17.2
The text
As transmitted, in the capitals the NWS used until 2016.
131
WGUS54 KOUN 140330
FFWOUN
OKC013-140630-
/O.NEW.KOUN.FF.W.0009.121014T0330Z-121014T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORMAN OK
1030 PM CDT SAT OCT 13 2012
THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A
* FLASH FLOOD WARNING FOR...
BRYAN COUNTY IN SOUTHEAST OKLAHOMA...
* UNTIL 130 AM CDT
* AT 1025 PM CDT...NATIONAL WEATHER SERVICE RADAR AND RAIN GAUGES
INDICATED THAT HEAVY RAIN WAS FALLING OVER THE AREA. UP TO THREE
INCHES OF RAIN HAS ALREADY FALLEN...AND ADDITIONAL RAINFALL IS
EXPECTED OVER CENTRAL AND SOUTHERN BRYAN COUNTY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE
DURANT...CALERA...COLBERT...CADDO...BOKCHITO...ACHILLE...
BENNINGTON...SILO...KENEFIC...KEMP...ARMSTRONG...HENDRIX...BLUE...
UTICA...ALBANY AND CARTWRIGHT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY.
MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT DRIVE
VEHICLES INTO AREAS WHERE WATER COVERS THE ROADWAY.
&&
LAT...LON 3384 9584 3389 9594 3386 9594 3387 9600
3384 9601 3386 9602 3384 9615 3375 9619
3377 9629 3368 9635 3378 9643 3377 9650
3382 9653 3385 9663 3415 9639 3415 9596
3395 9594 3387 9584 3387 9576 3385 9576
$$The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 13, 7:08 PM CDT | Special Weather Statement | OUN | Atoka, Bryan, Coal, Hughes, Johnston, Love and 3 more | 22 min |
| Oct 13, 7:45 PM CDT | Special Weather Statement | OUN | Atoka, Johnston, Marshall | 30 min |
| Oct 13, 7:46 PM CDT | Special Weather Statement | OUN | Atoka, Johnston, Marshall | 29 min |
| Oct 13, 7:59 PM CDT | Severe Thunderstorm Warning | OUN | Atoka, Bryan, Carter, Coal, Johnston, Love and 1 more | 61 min |
| Oct 13, 8:36 PM CDT | Special Weather Statement | OUN | Atoka | 24 min |
| Oct 13, 8:54 PM CDT | Severe Thunderstorm Warning | OUN | Atoka, Bryan, Johnston, Marshall | 66 min |
| Oct 13, 9:58 PM CDT | Severe Thunderstorm Warning | OUN | Atoka, Bryan | 62 min |
| Oct 13, 10:02 PM CDT | Areal Flood Advisory | OUN | Atoka, Bryan, Marshall | 3 hr |
| Oct 13, 10:04 PM CDT | Areal Flood Advisory | OUN | Atoka, Bryan, Marshall | 3 hr |
Nearby
Flash Flood Warnings in Oklahoma, 2012Every flash flood warning in 2012
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.