Alert archive / Oklahoma / Flash Flood Warnings in 2021

Flash Flood Warning 36, NWS Tulsa, OK

June 8, 20214 counties in Oklahoma

NWS Tulsa, OK issued this flash flood warning at Jun 8, 2021, 8:48 AM CDT for 4 counties in Oklahoma. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 8, 2021, 8:48 AM CDT (13:48 UTC)
Expired
Jun 8, 2021, 12:45 PM CDT
In force
4 hr
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Flood severity
None

Counties Haskell County, OK, Latimer County, OK, LeFlore County, OK, Pittsburg County, OK

The radar

The Western Arkansas radar (KSRX), 86 km from the middle of the area, began a volume at 13:52 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.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 1.8 hours before the alert went out and 244 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 12:00Z on 2021-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 391 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 12:00Z on 2021-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
391 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
584 m above ground
0-6 km bulk shear
1 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
33 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

848 
WGUS54 KTSA 081348
FFWTSA
OKC061-077-079-121-081745-
/O.NEW.KTSA.FF.W.0036.210608T1348Z-210608T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tulsa OK
848 AM CDT Tue Jun 8 2021

The National Weather Service in Tulsa has issued a

* Flash Flood Warning for...
  Southern Haskell County in southeastern Oklahoma...
  Latimer County in southeastern Oklahoma...
  Southern Le Flore County in southeastern Oklahoma...
  Northeastern Pittsburg County in southeastern Oklahoma...

* Until 1245 PM CDT.

* At 848 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 4 inches of rain 
  have fallen. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar indicated.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Wilburton...                       Stigler...
  Heavener...                        Talihina...
  Wister...                          Quinton...
  Red Oak...                         Mccurtain...
  Fanshawe...                        Whitefield...
  Kinta...                           Lequire...
  Bengal...                          Robbers Cave State Park...
  Damon...                           Mc Curtain...
  Talimena State Park...             Enterprise...
  Lake Wister State Park...          Heavener Runestone State Park...

Additional rainfall amounts of 1 to 2 inches 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 3513 9558 3521 9562 3529 9533 3526 9524
      3529 9517 3490 9457 3469 9490 3468 9516
      3490 9546

FLASH FLOOD...RADAR INDICATED

$$
1 follow-up statement
521 
WGUS74 KTSA 081746
FFSTSA

Flash Flood Statement
National Weather Service Tulsa OK
1246 PM CDT Tue Jun 8 2021

OKC061-077-079-121-081756-
/O.EXP.KTSA.FF.W.0036.000000T0000Z-210608T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Haskell OK-Latimer OK-Le Flore OK-Pittsburg OK-
1246 PM CDT Tue Jun 8 2021

...FLASH FLOOD WARNING HAS EXPIRED FOR SOUTHERN HASKELL, LATIMER, 
SOUTHERN LE FLORE AND NORTHEASTERN PITTSBURG COUNTIES...

The heavy rain has ended. Please continue to heed remaining road 
closures.

LAT...LON 3513 9558 3521 9562 3529 9533 3526 9524
      3529 9517 3490 9457 3469 9490 3468 9516
      3490 9546

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 7:18 PM CDTAreal Flood AdvisoryTSALeFlore3 hr
Jun 8, 3:04 AM CDTAreal Flood AdvisoryTSAChoctaw, Pushmataha3 hr
Jun 8, 3:20 AM CDTFlash Flood WarningTSAChoctaw, Pushmataha3 hr
Jun 8, 6:18 AM CDTFlash Flood WarningTSAChoctaw, Pushmataha4 hr
Jun 8, 7:49 AM CDTAreal Flood AdvisoryTSAHaskell, Latimer, LeFlore, Pittsburg3 hr
Jun 8, 9:50 AM CDTAreal Flood WarningTSAChoctaw, Pushmataha11 hr
Jun 8, 12:43 PM CDTAreal Flood WarningTSALatimer, LeFlore6 hr

Nearby

Flash Flood Warnings in Oklahoma, 2021Every flash flood warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.