Alert archive / Oklahoma / Flash Flood Warnings in 2015

Flash Flood Warning 98, NWS Tulsa, OK

June 18, 20156 counties in Oklahoma

NWS Tulsa, OK issued this flash flood warning at Jun 18, 2015, 8:32 PM CDT for 6 counties in Oklahoma. It was in force for 24 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
Jun 18, 2015, 8:32 PM CDT (01:32 UTC)
Expired
Jun 19, 2015, 8:30 PM CDT
In force
24 hr
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Flood severity
None

Counties Craig County, OK, Delaware County, OK, Mayes County, OK, Nowata County, OK, Ottawa County, OK, Rogers County, OK

The radar

The Tulsa radar (KINX), 40 km from the middle of the area, began a volume at 01:33 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

TimeReportWhereRemark
Jun 18, 9:00 PM CDTFLASH FLOODAdair, OKSEVERAL COUNTY ROADS CLOSED DUE TO HIGH WATER.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.5 hours before the alert went out and 138 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-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2015-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 198 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2015-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
198 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
609 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

502 
WGUS54 KTSA 190132
FFWTSA
OKC035-041-097-105-115-131-200130-
/O.NEW.KTSA.FF.W.0098.150619T0132Z-150620T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
832 PM CDT THU JUN 18 2015

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CRAIG COUNTY IN NORTHEAST OKLAHOMA...
  DELAWARE COUNTY IN NORTHEAST OKLAHOMA...
  MAYES COUNTY IN NORTHEAST OKLAHOMA...
  OTTAWA COUNTY IN NORTHEAST OKLAHOMA...
  ROGERS COUNTY IN NORTHEAST OKLAHOMA...
  SOUTHERN NOWATA COUNTY IN NORTHEAST OKLAHOMA...

* UNTIL 830 PM CDT FRIDAY

* AT 830 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  AREAS OF LIGHT RAIN ACROSS FAR NORTHEAST OKLAHOMA...WHICH WILL     
  CONTINUE TO TAPER OFF DURING THE OVERNIGHT HOURS. ALTHOUGH         
  ADDITIONAL RAINFALL AMOUNTS WILL REMAIN LIGHT...1 TO 3 INCHES OF   
  RAIN HAS ALREADY FALLEN AND FLOODING OF LOW LYING AREAS WILL       
  LIKELY CONTINUE. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
  CLAREMORE...JAY...MIAMI...NOWATA...PRYOR...TULSA...VINITA...
  ADAIR...AFTON...BERNICE...BERNICE STATE PARK...BIG CABIN...
  BLUEJACKET...CATOOSA...CHELSEA...CHEROKEE STATE PARK...CHLOETA...
  CHOUTEAU...CLEORA...COLCORD...COMMERCE...DELAWARE...DISNEY...
  FAIRLAND...FOYIL...GROVE...HONEY CREEK STATE PARK...INOLA...KANSAS
  AND KETCHUM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN VEHICLES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...DIPS...
OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM... EVEN A
SMALL ONE...ON FOOT OR IN A VEHICLE.

&&

LAT...LON 3664 9461 3649 9462 3616 9457 3616 9512
      3607 9512 3607 9557 3609 9555 3613 9557
      3613 9560 3616 9562 3616 9580 3678 9581
      3701 9520 3700 9465

$$
1 follow-up statement
786 
WGUS74 KTSA 190135
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
835 PM CDT THU JUN 18 2015

OKC035-041-097-105-115-131-190150-
/O.CAN.KTSA.FF.W.0098.000000T0000Z-150620T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CRAIG OK-DELAWARE OK-MAYES OK-NOWATA OK-OTTAWA OK-ROGERS OK-
835 PM CDT THU JUN 18 2015

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR ROGERS...OTTAWA...
SOUTHERN NOWATA...MAYES...DELAWARE AND CRAIG COUNTIES IS CANCELLED...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 3664 9461 3649 9462 3616 9457 3616 9512
      3607 9512 3607 9557 3609 9555 3613 9557
      3613 9560 3616 9562 3616 9580 3678 9581
      3701 9520 3700 9465

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 8:38 PM CDTAreal Flood WarningTSACraig, Delaware, Mayes, Nowata, Ottawa, Rogers24 hr
Jun 18, 8:48 PM CDTAreal Flood WarningTSAAdair, Cherokee, Sequoyah24 hr
Jun 18, 10:08 PM CDTRiver Flood WarningTSATulsa29 hr
Jun 19, 2:42 AM CDTRiver Flood WarningTSAOttawa44 hr
Jun 19, 6:08 PM CDTAreal Flood WarningTSAChoctaw, Latimer, Pushmataha24 hr

Nearby

Flash Flood Warnings in Oklahoma, 2015Every flash flood 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.