Alert archive / Oklahoma / Flash Flood Warnings in 2017

Flash Flood Warning 45, NWS Tulsa, OK

August 14, 2017Pittsburg County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at Aug 14, 2017, 3:19 PM CDT for Pittsburg County, Oklahoma. It was in force for 5 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
Aug 14, 2017, 3:19 PM CDT (20:19 UTC)
Expired
Aug 14, 2017, 8:15 PM CDT
In force
5 hr
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Flood severity
None

County Pittsburg County, OK

The radar

The Western Arkansas radar (KSRX), 122 km from the middle of the area, began a volume at 20:19 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
Aug 14, 4:15 PM CDTFLASH FLOOD1 Ne Krebs, OKSWIFT WATER RESCUE ON KREBS LAKE RD. SOME COUNTY ROADS WERE ALSO FLOODED AND STATE HIGHWAY 270 BRIEFLY HAD WATER OVER IT. TIME ESTIMATED FROM RADAR.

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, 8.3 hours before the alert went out and 161 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 2017-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 2017-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
749 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
115 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

939 
WGUS54 KTSA 142019
FFWTSA
OKC121-150115-
/O.NEW.KTSA.FF.W.0045.170814T2019Z-170815T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tulsa OK
319 PM CDT MON AUG 14 2017

The National Weather Service in Tulsa has issued a

* Flash Flood Warning for...
  Pittsburg County in southeastern Oklahoma...

* Until 815 PM CDT

* At 317 PM CDT, the public reported flooded roads near Haywood in 
  western Pittsburgh county. Radar estimates 1 to 3 inches of rain 
  have fallen across the warned area over the past 4 hours. Flash 
  flooding may be ongoing or is expected to begin shortly.

* Some locations that may experience flooding include...
  Mcalester...                      Krebs...
  Quinton...                        Kiowa...
  Savanna...                        Crowder...
  Alderson...                       Canadian...
  Ashland...                        Haywood...
  Blocker...                        Arrowhead State Park...
  Scipio...                         Arpelar...
  Dow...                            Bache...
  Featherston...                    

Additional rainfall amounts of 1 to 2 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 3504 9609 3524 9545 3516 9545 3515 9536
      3504 9535 3503 9538 3503 9551 3496 9551
      3482 9566 3469 9592 3468 9609

$$
1 follow-up statement
146 
WGUS74 KTSA 150013
FFSTSA

Flash Flood Statement
National Weather Service Tulsa OK
713 PM CDT MON AUG 14 2017

OKC121-150115-
/O.CON.KTSA.FF.W.0045.000000T0000Z-170815T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Pittsburg OK-
713 PM CDT MON AUG 14 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR
PITTSBURG COUNTY...

At 712 PM CDT, Doppler radar indicated that rains had ended across 
Pittsburgh county.  Rainfall totals are estimated 2 to 4 inches 
across northern portions of Pittsburgh county.  Flash flooding may 
be ongoing before waters slowly recede this evening.

Some locations that may experience flooding include...
Mcalester...                      Krebs...
Quinton...                        Kiowa...
Savanna...                        Crowder...
Alderson...                       Canadian...
Ashland...                        Haywood...
Blocker...                        Arrowhead State Park...
Scipio...                         Arpelar...
Dow...                            Bache...
Featherston...                    

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 3504 9609 3524 9545 3516 9545 3515 9536
      3504 9535 3503 9538 3503 9551 3496 9551
      3482 9566 3469 9592 3468 9609

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 14, 6:12 AM CDTSpecial Weather StatementTSAOkfuskee33 min
Aug 14, 6:42 AM CDTSpecial Weather StatementTSAOkfuskee48 min
Aug 14, 7:31 AM CDTSpecial Weather StatementTSAOkmulgee29 min
Aug 14, 7:37 AM CDTSpecial Weather StatementTSAOkmulgee23 min
Aug 14, 2:53 PM CDTAreal Flood AdvisoryTSAPittsburg3 hr
Aug 14, 4:13 PM CDTSpecial Weather StatementTSALatimer47 min
Aug 14, 5:39 PM CDTSpecial Weather StatementTSAChoctaw36 min
Aug 14, 6:25 PM CDTSpecial Weather StatementTSAChoctaw50 min
Aug 14, 6:41 PM CDTSpecial Weather StatementTSAChoctaw34 min

Nearby

Flash Flood Warnings in Oklahoma, 2017Every flash flood warning in 2017

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.