Alert archive / Oklahoma / Flash Flood Warnings in 2021

Flash Flood Warning 15, NWS Tulsa, OK

May 25, 2021LeFlore County, Pushmataha County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at May 25, 2021, 2:16 PM CDT for LeFlore County, Pushmataha County, Oklahoma. It was in force for 3 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
May 25, 2021, 2:16 PM CDT (19:16 UTC)
Expired
May 25, 2021, 5:15 PM CDT
In force
3 hr
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Flood severity
None

Counties LeFlore County, OK, Pushmataha County, OK

The radar

The Western Arkansas radar (KSRX), 85 km from the middle of the area, began a volume at 19:18 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, 7.3 hours before the alert went out and 266 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 2021-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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 2021-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 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
2 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
846 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
83 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

527 
WGUS54 KTSA 251916
FFWTSA
OKC079-127-252215-
/O.NEW.KTSA.FF.W.0015.210525T1916Z-210525T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tulsa OK
216 PM CDT Tue May 25 2021

The National Weather Service in Tulsa has issued a

* Flash Flood Warning for...
  Southern Le Flore County in southeastern Oklahoma...
  Northeastern Pushmataha County in southeastern Oklahoma...

* Until 515 PM CDT.

* At 216 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain moving into the warned area. Between 3 and 4 inches of 
  rain have fallen from heavy rains earlier today. 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...
  Talihina...                        Whitesboro...
  Muse...                            Talimena State Park...
  Lake Wister State Park...          Summerfield...
  Honobia...                         Hodgen...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

In hilly terrain there are hundreds of low water crossings which are 
potentially dangerous in heavy rain. Do not attempt to cross flooded 
roads. Find an alternate route.

&&

LAT...LON 3468 9506 3486 9506 3486 9500 3488 9500
      3495 9478 3486 9456 3451 9474 3451 9505
      3450 9505 3450 9513 3468 9509

FLASH FLOOD...RADAR INDICATED

$$

Lacy

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 8:05 AM CDTAreal Flood AdvisoryTSALatimer, Pittsburg, Pushmataha3 hr
May 25, 9:08 AM CDTAreal Flood AdvisoryTSAHaskell, Pittsburg3 hr
May 25, 10:38 AM CDTAreal Flood AdvisoryTSAOkmulgee3 hr
May 25, 10:42 AM CDTAreal Flood AdvisoryTSALatimer, LeFlore, Pushmataha3 hr
May 25, 1:57 PM CDTRiver Flood WarningTSAPushmataha41 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.