Alert archive / Oklahoma / Flash Flood Warnings in 2015

Flash Flood Warning 18, NWS Tulsa, OK

May 9, 2015Latimer County, McIntosh County, Pittsburg County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at May 9, 2015, 4:44 PM CDT for Latimer County, McIntosh County, Pittsburg County, Oklahoma. It was in force for 6 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 9, 2015, 4:44 PM CDT (21:44 UTC)
Expired: May 9, 2015, 10:30 PM CDT
In force: 6 hr
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Flood severity: None

Counties Latimer County, OK, McIntosh County, OK, Pittsburg County, OK

The radar

The Tulsa radar (KINX), 120 km from the middle of the area, began a volume at 21:48 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 12:00Z, 9.7 hours before the alert went out and 146 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: 320 J/kg
Mixed-layer CIN: -247 J/kg
Mixed-layer LCL: 540 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 149 m²/s²
0-3 km storm-relative helicity: 208 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

506 
WGUS54 KTSA 092144
FFWTSA
OKC077-091-121-100330-
/O.NEW.KTSA.FF.W.0018.150509T2144Z-150510T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
444 PM CDT SAT MAY 9 2015

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN LATIMER COUNTY IN SOUTHEAST OKLAHOMA...
  PITTSBURG COUNTY IN SOUTHEAST OKLAHOMA...
  SOUTHWESTERN MCINTOSH COUNTY IN SOUTHEAST OKLAHOMA...

* UNTIL 1030 PM CDT

* AT 443 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE WARNED AREA. 4 TO 5    
  INCHES OF RAINFALL HAS ALREADY OCCURRED IN PAST 24 HOURS. AN       
  ADDITIONAL 2 TO 3 INCHES IS POSSIBLE.  

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
  EUFAULA...MCALESTER...ALDERSON...ARROWHEAD STATE PARK...ASHLAND...
  BLOCKER...CANADIAN...CROWDER...HANNA...HAYWOOD...INDIANOLA...
  KREBS...MCALESTER REGIONAL AIRPORT...RAIFORD...ROBBERS CAVE STATE
  PARK...SAVANNA...SCIPIO...STIDHAM AND VIVIAN.

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.

&&

LAT...LON 3505 9610 3507 9607 3509 9607 3513 9601
      3514 9602 3516 9599 3534 9598 3544 9568
      3519 9545 3516 9545 3516 9543 3506 9535
      3496 9525 3470 9610

$$

1 follow-up statement

170 
WGUS74 KTSA 100010
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
710 PM CDT SAT MAY 9 2015

OKC077-091-121-100330-
/O.CON.KTSA.FF.W.0018.000000T0000Z-150510T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MCINTOSH OK-PITTSBURG OK-LATIMER OK-
710 PM CDT SAT MAY 9 2015

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTHWESTERN LATIMER...
PITTSBURG AND SOUTHWESTERN MCINTOSH COUNTIES UNTIL 1030 PM CDT...

AT 708 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE WARNED AREA. 2 TO 4 
INCHES OF RAINFALL HAS OCCURRED IN THE LAST 24 HOURS. AN ADDITIONAL 
1 TO 2 INCHES WILL BE POSSIBLE THROUGH 1030 PM. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
EUFAULA...MCALESTER...ALDERSON...ARROWHEAD STATE PARK...ASHLAND...
BLOCKER...CANADIAN...CROWDER...HANNA...HAYWOOD...INDIANOLA...KREBS...
MCALESTER REGIONAL AIRPORT...RAIFORD...ROBBERS CAVE STATE PARK...
SAVANNA...SCIPIO...STIDHAM AND VIVIAN.

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.

&&

LAT...LON 3505 9610 3507 9607 3509 9607 3513 9601
      3514 9602 3516 9599 3534 9598 3544 9568
      3519 9545 3516 9545 3516 9543 3506 9535
      3496 9525 3470 9610

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 8, 7:08 PM CDT	Tornado Warning	TSA	Okfuskee	37 min
May 8, 7:15 PM CDT	Special Weather Statement	TSA	Osage	30 min
May 8, 7:35 PM CDT	Severe Thunderstorm Warning	TSA	Okfuskee	40 min
May 8, 7:36 PM CDT	Areal Flood Advisory	TSA	Okfuskee	3 hr
May 8, 7:40 PM CDT	Tornado Warning	TSA	Okfuskee	35 min
May 8, 8:10 PM CDT	Flash Flood Warning	TSA	Okfuskee	4 hr
May 8, 8:13 PM CDT	Severe Thunderstorm Warning	TSA	Okfuskee	47 min
May 8, 8:20 PM CDT	Special Weather Statement	TSA	Pittsburg	40 min
May 8, 8:29 PM CDT	Tornado Warning	TSA	Okfuskee	31 min
May 8, 8:55 PM CDT	Severe Thunderstorm Warning	TSA	Okfuskee, Okmulgee	35 min
May 8, 8:58 PM CDT	Severe Thunderstorm Warning	TSA	Okfuskee	32 min
May 8, 9:10 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Pittsburg	50 min
May 8, 9:15 PM CDT	Tornado Warning	TSA	Okfuskee	30 min
May 8, 9:30 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Okfuskee, Okmulgee	45 min
May 8, 9:31 PM CDT	Flash Flood Warning	TSA	Okmulgee	4 hr
May 8, 9:34 PM CDT	Areal Flood Advisory	TSA	Tulsa	4 hr
May 8, 9:50 PM CDT	Special Weather Statement	TSA	Okmulgee	25 min
May 8, 9:57 PM CDT	Areal Flood Advisory	TSA	McIntosh, Pittsburg	4 hr
May 8, 10:00 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, McIntosh, Muskogee, Okmulgee, Pittsburg	45 min
May 8, 10:11 PM CDT	Special Weather Statement	TSA	Pittsburg	64 min
May 8, 10:18 PM CDT	Flash Flood Warning	TSA	Tulsa, Wagoner	4 hr
May 8, 10:39 PM CDT	Special Weather Statement	TSA	Creek, McIntosh, Nowata, Okfuskee, Okmulgee, Osage and 4 more	51 min
May 8, 10:43 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, LeFlore, Muskogee, Pittsburg, Sequoyah	29 min
May 8, 10:55 PM CDT	Areal Flood Advisory	TSA	Cherokee, Craig, Mayes, Muskogee, Nowata, Rogers and 1 more	2 hr
May 8, 10:59 PM CDT	Special Weather Statement	TSA	Pushmataha	46 min
May 8, 11:17 PM CDT	Special Weather Statement	TSA	Haskell, Muskogee, Sequoyah	58 min
May 8, 11:57 PM CDT	Special Weather Statement	TSA	Creek, Okfuskee, Osage, Pawnee	63 min
May 9, 12:00 AM CDT	Areal Flood Warning	TSA	Okfuskee	8 hr
May 9, 12:11 AM CDT	Special Weather Statement	TSA	Choctaw	49 min
May 9, 12:54 AM CDT	Areal Flood Advisory	TSA	Craig, Delaware, Ottawa	2 hr
May 9, 1:04 AM CDT	Special Weather Statement	TSA	McIntosh, Muskogee, Nowata, Okfuskee, Okmulgee, Rogers and 3 more	56 min
May 9, 1:33 AM CDT	Areal Flood Advisory	TSA	Cherokee, Craig, Delaware, Mayes, Muskogee, Rogers and 2 more	117 min
May 9, 1:36 AM CDT	Areal Flood Warning	TSA	Okmulgee	8 hr
May 9, 2:30 AM CDT	Flash Flood Warning	TSA	Tulsa, Wagoner	6 hr
May 9, 2:34 AM CDT	Areal Flood Warning	TSA	Tulsa, Wagoner	6 hr
May 9, 3:11 AM CDT	River Flood Warning	TSA	Creek	19 hr
May 9, 8:12 AM CDT	Areal Flood Warning	TSA	Okfuskee	6 hr
May 9, 9:12 AM CDT	Areal Flood Warning	TSA	Okmulgee	6 hr
May 9, 10:01 AM CDT	River Flood Advisory	TSA	Pushmataha	22 hr
May 9, 10:03 AM CDT	River Flood Advisory	TSA	Choctaw	57 hr
May 9, 11:39 AM CDT	Flash Flood Warning	TSA	Choctaw, Pushmataha	6 hr
May 9, 11:48 AM CDT	Special Weather Statement	TSA	Choctaw	42 min
May 9, 12:54 PM CDT	Special Weather Statement	TSA	Haskell, Latimer, LeFlore, Sequoyah	51 min
May 9, 1:20 PM CDT	Special Weather Statement	TSA	Haskell, Latimer, LeFlore, Sequoyah	40 min
May 9, 1:35 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, LeFlore	40 min
May 9, 1:44 PM CDT	Special Weather Statement	TSA	Sequoyah	46 min
May 9, 3:01 PM CDT	Areal Flood Advisory	TSA	Creek, Okfuskee, Okmulgee	119 min
May 9, 3:41 PM CDT	Areal Flood Advisory	TSA	Haskell, Latimer, Pittsburg	2 hr
May 9, 4:27 PM CDT	Flash Flood Warning	TSA	Creek, McIntosh, Okfuskee, Okmulgee	6 hr
May 9, 4:57 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Pittsburg	48 min
May 9, 5:42 PM CDT	Special Weather Statement	TSA	McIntosh	33 min
May 9, 6:14 PM CDT	Special Weather Statement	TSA	Haskell	46 min
May 9, 6:28 PM CDT	Flash Flood Warning	TSA	Haskell, Latimer, McIntosh, Muskogee, Pittsburg, Sequoyah	6 hr

Nearby

Flash Flood Warnings in Oklahoma, 2015 Every flash flood warning in 2015

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.