Alert archive / Oklahoma / Flash Flood Warnings in 2014

Flash Flood Warning 9, NWS Tulsa, OK

July 1, 2014Pittsburg County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at Jul 1, 2014, 7:32 PM CDT for Pittsburg County, Oklahoma. It was in force for 5 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 1, 2014, 7:32 PM CDT (00:32 UTC)
Expired: Jul 2, 2014, 12:30 AM CDT
In force: 5 hr
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Flood severity: None

County Pittsburg County, OK

The radar

The Norman radar (KTLX), 139 km from the middle of the area, began a volume at 00:35 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

Norman, OK (KOUN), launched 00:00Z, 0.5 hours before the alert went out and 145 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 107 J/kg
Mixed-layer CIN: -210 J/kg
Mixed-layer LCL: 1819 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 114 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

356 
WGUS54 KTSA 020032
FFWTSA
OKC121-020530-
/O.NEW.KTSA.FF.W.0009.140702T0032Z-140702T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
732 PM CDT TUE JUL 1 2014

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL PITTSBURG COUNTY IN SOUTHEAST OKLAHOMA...

* UNTIL 1230 AM CDT

* AT 728 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE WARNED AREA. UPWARDS
  OF THREE INCHES OF RAINFALL HAS ALREADY OCCURRED IN THE VICINITY
  OF DOW NEAR HAILEYVILLE. AN ADDITIONAL TWO TO FOUR INCHES ARE      
  POSSIBLE. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
  MCALESTER...ALDERSON...ASHLAND...BLANCO...HARTSHORNE...HAYWOOD...
  KIOWA...KREBS...MCALESTER REGIONAL AIRPORT AND SAVANNA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD TO
UNKNOWN DEPTHS. IT ONLY TAKES TWO FEET OF RUSHING WATER TO CARRY AWAY
MOST SPORT UTILITY VEHICLES AND PICKUPS. TAKE A DIFFERENT ROUTE TO
REACH YOUR DESTINATION OR WAIT UNTIL THE WATER RECEDES. REMEMBER...
MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

&&

LAT...LON 3495 9609 3504 9552 3474 9551 3467 9595
      3468 9609

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 7:00 PM CDT	Special Weather Statement	TSA	LeFlore	45 min
Jul 1, 7:07 PM CDT	Flash Flood Watch	TSA	Haskell, Latimer, Pittsburg	6 hr
Jul 1, 7:20 PM CDT	Areal Flood Advisory	TSA	Haskell, Latimer, LeFlore, Pittsburg	6 hr
Jul 1, 7:36 PM CDT	Special Weather Statement	TSA	Pittsburg	39 min
Jul 1, 7:57 PM CDT	Flash Flood Warning	TSA	Haskell, Latimer, LeFlore, Pittsburg	5 hr
Jul 2, 12:57 AM CDT	Areal Flood Warning	TSA	Haskell, Latimer, LeFlore, Pittsburg	8 hr
Jul 2, 5:09 AM CDT	Areal Flood Advisory	TSA	Latimer, LeFlore, Pittsburg, Pushmataha	2 hr

Nearby

Flash Flood Warnings in Oklahoma, 2014 Every flash flood warning in 2014

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.