Alert archive / Oklahoma / Flash Flood Warnings in 2016

Flash Flood Warning 10, NWS Tulsa, OK

July 1, 2016Pawnee County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at Jul 1, 2016, 7:17 AM CDT for Pawnee County, Oklahoma. It was in force for 4 hr. 2 reports 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
Jul 1, 2016, 7:17 AM CDT (12:17 UTC)
Expired
Jul 1, 2016, 11:15 AM CDT
In force
4 hr
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Flood severity
None

County Pawnee County, OK

The radar

The Tulsa radar (KINX), 108 km from the middle of the area, began a volume at 12:20 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
Jul 1, 8:10 AM CDTFLASH FLOODPawnee, OK6 INCHES OF WATER ACROSS THE ROADWAY NEAR THE HIGHWAY 18 AND 64 JUNCTIONS. WATER ALSO APPROACHING A MOBILE HOME ON THE NORTH SIDE OF TOWN. REPORTED BY THE SHERIFFS DEPARTMENT.
Jul 1, 10:30 AM CDTFLASH FLOODPawnee, OKWATER ENTERED THE BACK OF THE BUILDING AND FLOODED A PORTION OF THE PAWNEE PUBLIC LIBRARY. REPORT RECEIVED VIA SOCIAL MEDIA.

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, 0.3 hours before the alert went out and 141 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, Norman, OK at 12:00Z on 2016-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 456 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, Norman, OK at 12:00Z on 2016-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 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
456 J/kg
Mixed-layer CIN
-127 J/kg
Mixed-layer LCL
1524 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
15 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

558 
WGUS54 KTSA 011217
FFWTSA
OKC117-011615-
/O.NEW.KTSA.FF.W.0010.160701T1217Z-160701T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
717 AM CDT FRI JUL 1 2016

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  PAWNEE COUNTY IN NORTHEASTERN OKLAHOMA...

* UNTIL 1115 AM CDT

* AT 716 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. OVER 4 INCHES OF RAIN HAS
  FALLEN IN THE PAST FEW HOURS. FLASH FLOODING IS EXPECTED TO BEGIN
  SHORTLY.

* SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...
  PAWNEE...                         BLACKBURN...
  MARAMEC...                        SKEDEE...

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE POSSIBLE IN THE
WARNED AREA.

LAT...LON 3648 9700 3646 9693 3650 9685 3650 9677
      3647 9671 3644 9672 3642 9669 3642 9663
      3638 9660 3640 9654 3639 9652 3636 9653
      3633 9657 3630 9655 3616 9660 3616 9682
      3624 9682 3625 9692 3633 9693 3634 9702

$$
2 follow-up statements
646 
WGUS74 KTSA 011323
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
823 AM CDT FRI JUL 1 2016

OKC117-011615-
/O.CON.KTSA.FF.W.0010.000000T0000Z-160701T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PAWNEE OK-
823 AM CDT FRI JUL 1 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 AM CDT FOR
WESTERN PAWNEE COUNTY...

AT 819 AM CDT...LOCAL LAW ENFORCEMENT REPORTED 6 INCHES OF WATER ON
ROADWAYS IN PAWNEE...WITH WATER APPROACHING AT LEAST ONE HOME. 6 TO
8 INCHES OF RAIN HAS FALLEN IN THE AREA...AND FLASH FLOODING WILL
CONTINUE...ESPECIALLY FROM PAWNEE TO THE WEST.

SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...
PAWNEE...                         MARAMEC...
SKEDEE...                         

ALTHOUGH THE RAINFALL RATES ARE DECREASING, ADDITIONAL RAINFALL
AMOUNTS OF AROUND AN INCH ARE POSSIBLE IN THE WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3648 9700 3646 9693 3650 9685 3650 9677
      3647 9671 3644 9672 3642 9669 3642 9667
      3641 9664 3620 9667 3616 9682 3624 9682
      3625 9692 3633 9693 3634 9702

$$
774 
WGUS74 KTSA 011610
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1110 AM CDT FRI JUL 1 2016

OKC117-011619-
/O.EXP.KTSA.FF.W.0010.000000T0000Z-160701T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PAWNEE OK-
1110 AM CDT FRI JUL 1 2016

...THE FLASH FLOOD WARNING FOR WESTERN PAWNEE COUNTY WILL EXPIRE AT
1115 AM CDT...

ALTHOUGH LIGHT RAIN WILL CONTINUE THROUGH THE REST OF THE MORNING,
THE HEAVY RAIN HAS ENDED, AND ADDITIONAL FLASH FLOODING IS NO LONGER
EXPECTED. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 3648 9700 3646 9693 3650 9685 3650 9677
      3647 9671 3644 9672 3642 9669 3642 9667
      3641 9664 3620 9667 3616 9682 3624 9682
      3625 9692 3633 9693 3634 9702

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 7:00 PM CDTSpecial Weather StatementTSARogers, Tulsa45 min
Jun 30, 7:06 PM CDTSevere Thunderstorm WarningTSARogers, Tulsa, Wagoner, Washington24 min
Jun 30, 7:11 PM CDTSpecial Weather StatementTSAOsage34 min
Jun 30, 7:26 PM CDTSevere Thunderstorm WarningTSARogers, Tulsa, Wagoner13 min
Jun 30, 7:42 PM CDTSpecial Weather StatementTSARogers, Tulsa33 min
Jul 1, 6:50 AM CDTAreal Flood AdvisoryTSAPawnee3 hr
Jul 1, 5:05 PM CDTSpecial Weather StatementTSAAdair25 min
Jul 1, 5:41 PM CDTAreal Flood AdvisoryTSAAdair, Cherokee3 hr
Jul 1, 6:27 PM CDTSpecial Weather StatementTSAMayes33 min

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.