Alert archive / Oklahoma / Flash Flood Warnings in 2017

Flash Flood Warning 36, NWS Tulsa, OK

July 3, 2017Choctaw County, Pushmataha County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at Jul 3, 2017, 2:04 AM CDT for Choctaw County, Pushmataha County, Oklahoma. It was in force for 9 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
Jul 3, 2017, 2:04 AM CDT (07:04 UTC)
Expired
Jul 3, 2017, 11:00 AM CDT
In force
9 hr
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Flood severity
None

Counties Choctaw County, OK, Pushmataha County, OK

The radar

The Western Arkansas radar (KSRX), 183 km from the middle of the area, began a volume at 07:07 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

Fort Worth, TX (KFWD), launched 00:00Z, 7.1 hours before the alert went out and 204 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, Fort Worth, TX at 00:00Z on 2017-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1618 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, Fort Worth, TX at 00:00Z on 2017-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
1618 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
1837 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.4

Open this sounding in Storm Lab

The text

As transmitted.

804 
WGUS54 KTSA 030704
FFWTSA
OKC023-127-031300-
/O.NEW.KTSA.FF.W.0036.170703T0704Z-170703T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tulsa OK
204 AM CDT MON JUL 3 2017

The National Weather Service in Tulsa has issued a

* Flash Flood Warning for...
  Southwestern Pushmataha County in southeastern Oklahoma...
  Choctaw County in southeastern Oklahoma...

* Until 800 AM CDT

* At 200 AM CDT, Doppler radar indicated scattered thunderstorms 
  producing heavy rain across southwest Pushmataha and Choctaw 
  counties. 2 to 4 inches of rain have fallen and flash flooding is 
  expected to begin shortly.

* Some locations that may experience flooding include...
  Hugo...                           Antlers...
  Boswell...                        Fort Towson...
  Sawyer...                         Rattan...
  Soper...                          Kent...
  Goodland...                       Messer...
  Hugo Lake State Park...           Raymond Gary State Park...
  Kellond...                        Grant...
  Ord...                            Fallon...
  Swink...                          Frogville...
  Apple...                          Speer...

Additional rainfall amounts of 1 to 2 inches with locally 3 inches 
are possible in the warned area through mid morning. These rainfall 
amounts would likely cause significant flooding.

LAT...LON 3388 9554 3393 9556 3394 9560 3389 9569
      3390 9575 3387 9577 3387 9584 3395 9594
      3412 9594 3415 9598 3416 9578 3433 9578
      3411 9516 3394 9516 3396 9523 3389 9526
      3390 9526 3391 9527 3387 9529

$$
2 follow-up statements
874 
WGUS74 KTSA 030957
FFSTSA

Flash Flood Statement
National Weather Service Tulsa OK
457 AM CDT MON JUL 3 2017

OKC023-127-031300-
/O.CON.KTSA.FF.W.0036.000000T0000Z-170703T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Pushmataha OK-Choctaw OK-
457 AM CDT MON JUL 3 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 800 AM CDT FOR
SOUTHWESTERN PUSHMATAHA AND CHOCTAW COUNTIES...

At 450 AM CDT, Doppler radar indicated thunderstorms producing heavy 
rain just west of the warned area. 4 to 5 inches of rain have 
already fallen overnight. Additional thunderstorms will move into 
southwestern Pushmataha and Choctaw counties with an additional 1 to 
2 inches of rainfall possible through mid morning.  

Some locations that may experience flooding include...
Hugo...                           Antlers...
Boswell...                        Fort Towson...
Sawyer...                         Rattan...
Soper...                          Kent...
Goodland...                       Messer...
Hugo Lake State Park...           Raymond Gary State Park...
Kellond...                        Grant...
Ord...                            Fallon...
Swink...                          Frogville...
Apple...                          Speer...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Please report flooding to your local law enforcement agency when you
can do so safely.

&&

LAT...LON 3388 9554 3393 9556 3394 9560 3389 9569
      3390 9575 3387 9577 3387 9584 3395 9594
      3412 9594 3415 9598 3416 9578 3433 9578
      3411 9516 3394 9516 3396 9523 3389 9526
      3390 9526 3391 9527 3387 9529

$$
760 
WGUS54 KTSA 031244
FFWTSA
OKC023-127-031600-
/O.EXT.KTSA.FF.W.0036.000000T0000Z-170703T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tulsa OK
744 AM CDT MON JUL 3 2017

The National Weather Service in Tulsa has extended the

* Flash Flood Warning for...
  Southwestern Pushmataha County in southeastern Oklahoma...
  Choctaw County in southeastern Oklahoma...

* Until 1100 AM CDT

* At 743 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. 1 to 4 inches of rain have 
  fallen with the heaviest amounts across southwestern Choctaw 
  county. Flash flooding is likely already occurring.

* Some locations that may experience flooding include...
  Hugo...                           Antlers...
  Boswell...                        Fort Towson...
  Sawyer...                         Rattan...
  Soper...                          Kent...
  Goodland...                       Messer...
  Hugo Lake State Park...           Raymond Gary State Park...
  Kellond...                        Grant...
  Ord...                            Fallon...
  Swink...                          Frogville...
  Apple...                          Speer...

Additional rainfall amounts around one 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.

Please report flooding to your local law enforcement agency when you
can do so safely.

&&

LAT...LON 3388 9554 3393 9556 3394 9560 3389 9569
      3390 9575 3387 9577 3387 9584 3395 9594
      3412 9594 3415 9598 3416 9578 3433 9578
      3411 9516 3394 9516 3396 9523 3389 9526
      3390 9526 3391 9527 3387 9529

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 7:07 PM CDTAreal Flood AdvisoryTSAAdair, Sequoyah3 hr
Jul 2, 7:26 PM CDTSpecial Weather StatementTSACraig, Delaware, Mayes, Ottawa49 min
Jul 2, 7:31 PM CDTSpecial Weather StatementTSAAdair, Cherokee, Sequoyah29 min
Jul 2, 7:36 PM CDTAreal Flood AdvisoryTSACraig, Delaware, Ottawa3 hr
Jul 2, 7:52 PM CDTAreal Flood AdvisoryTSALatimer, Pittsburg, Pushmataha4 hr
Jul 2, 7:53 PM CDTSpecial Weather StatementTSAAtoka37 min
Jul 2, 7:58 PM CDTSpecial Weather StatementTSAAdair, Sequoyah32 min
Jul 2, 8:25 PM CDTSpecial Weather StatementTSAPushmataha35 min
Jul 2, 8:58 PM CDTSpecial Weather StatementTSALatimer32 min
Jul 2, 9:26 PM CDTSpecial Weather StatementTSAPushmataha34 min
Jul 2, 9:29 PM CDTSpecial Weather StatementTSALatimer, LeFlore31 min
Jul 2, 9:57 PM CDTSpecial Weather StatementTSALeFlore33 min
Jul 2, 10:00 PM CDTSpecial Weather StatementTSAChoctaw, Pushmataha45 min
Jul 2, 10:43 PM CDTSpecial Weather StatementTSAChoctaw32 min
Jul 3, 7:58 AM CDTAreal Flood AdvisoryTSALatimer, LeFlore, Pushmataha3 hr
Jul 3, 6:07 PM CDTSpecial Weather StatementTSAOsage23 min
Jul 3, 6:53 PM CDTAreal Flood AdvisoryTSAOsage, Rogers, Tulsa, Washington3 hr
Jul 3, 6:55 PM CDTSpecial Weather StatementTSAPawnee35 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.