Alert archive / Oklahoma / Flash Flood Warnings in 2014

Flash Flood Warning 4, NWS Tulsa, OK

May 26, 2014McIntosh County, Muskogee County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at May 26, 2014, 5:58 PM CDT for McIntosh County, Muskogee 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: May 26, 2014, 5:58 PM CDT (22:58 UTC)
Expired: May 26, 2014, 9:00 PM CDT
In force: 3 hr
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Flood severity: None

Counties McIntosh County, OK, Muskogee County, OK

The radar

The Tulsa radar (KINX), 80 km from the middle of the area, began a volume at 23:02 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.

What was reported inside it

Time	Report	Where	Remark
May 26, 7:00 PM CDT	FLASH FLOOD	Warner, OK	AN APARTMENT COMPLEX WAS EVACUATED DUE TO FLOODING. RELAYED BY THE TULSA WORLD NEWSPAPER FACEBOOK ACCOUNT.

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, 11.0 hours before the alert went out and 180 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 302 J/kg
Mixed-layer CIN: -58 J/kg
Mixed-layer LCL: 906 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: 37 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

534 
WGUS54 KTSA 262258
FFWTSA
OKC091-101-270200-
/O.NEW.KTSA.FF.W.0004.140526T2258Z-140527T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
558 PM CDT MON MAY 26 2014

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL MUSKOGEE COUNTY IN EAST CENTRAL OKLAHOMA...
  NORTHEASTERN MCINTOSH COUNTY IN SOUTHEAST OKLAHOMA...

* UNTIL 900 PM CDT

* AT 558 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE WARNED AREA. 2 TO 4    
  INCHES OF   RAINFALL HAS ALREADY OCCURRED WITH AN ADDITIONAL INCH  
  POSSIBLE.  

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
  CHECOTAH...KEEFETON...LAKE EUFAULA STATE PARK...OKTAHA...
  RENTIESVILLE AND WARNER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD TO
UNKNOWN DEPTHS. IT ONLY TAKES TWO FEET OF RUSHING WATER TO CARRY AWAY
MOST SPORT UTILITY VEHICLES AND PICKUPS. TAKE A DIFFERENT ROUTE TO
REACH YOUR DESTINATION OR WAIT UNTIL THE WATER RECEDES. REMEMBER...
MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES.

&&

LAT...LON 3567 9552 3555 9516 3532 9538 3533 9540
      3532 9542 3539 9569

$$

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 25, 7:21 PM CDT	Special Weather Statement	TSA	Tulsa	39 min
May 25, 8:32 PM CDT	Special Weather Statement	TSA	Rogers	43 min
May 26, 11:59 AM CDT	Special Weather Statement	TSA	Wagoner	31 min
May 26, 12:05 PM CDT	Special Weather Statement	TSA	Wagoner	25 min
May 26, 12:25 PM CDT	Special Weather Statement	TSA	Wagoner	50 min
May 26, 12:32 PM CDT	Special Weather Statement	TSA	Wagoner	43 min
May 26, 12:57 PM CDT	Special Weather Statement	TSA	Cherokee	33 min
May 26, 12:58 PM CDT	Special Weather Statement	TSA	Tulsa	32 min
May 26, 1:04 PM CDT	Special Weather Statement	TSA	Craig	26 min
May 26, 1:09 PM CDT	Areal Flood Advisory	TSA	Creek, Okmulgee, Rogers, Tulsa, Wagoner	66 min
May 26, 1:16 PM CDT	Special Weather Statement	TSA	Cherokee	29 min
May 26, 2:03 PM CDT	Areal Flood Advisory	TSA	Cherokee, McIntosh, Muskogee, Sequoyah, Wagoner	117 min
May 26, 2:07 PM CDT	Special Weather Statement	TSA	Cherokee	38 min
May 26, 3:25 PM CDT	Special Weather Statement	TSA	Osage	50 min
May 26, 4:31 PM CDT	Flash Flood Warning	TSA	Cherokee, Muskogee, Wagoner	5 hr
May 26, 4:38 PM CDT	Flash Flood Warning	TSA	Creek	4 hr
May 26, 5:08 PM CDT	Areal Flood Advisory	TSA	Creek, Osage, Tulsa	3 hr

Nearby

Flash Flood Warnings in Oklahoma, 2014 Every flash flood warning in 2014

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.