Alert archive / Oklahoma / Flash Flood Warnings in 2015

Flash Flood Warning 19, NWS Tulsa, OK

May 9, 20156 counties in Oklahoma

NWS Tulsa, OK issued this flash flood warning at May 9, 2015, 6:28 PM CDT for 6 counties in Oklahoma. It was in force for 6 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 9, 2015, 6:28 PM CDT (23:28 UTC)
Expired: May 10, 2015, 12:30 AM CDT
In force: 6 hr
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Flood severity: None

Counties Haskell County, OK, Latimer County, OK, McIntosh County, OK, Muskogee County, OK, Pittsburg County, OK, Sequoyah County, OK

What was reported inside it

Time	Report	Where	Remark
May 9, 8:07 PM CDT	FLASH FLOOD	Onapa, OK	ONE TO TWO FEET OF WATER REPORTED OVER SOME ROADS...ROADS THAT ARE SAID TO RARELY FLOOD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.5 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-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: 11 J/kg
Mixed-layer CIN: -98 J/kg
Mixed-layer LCL: 1001 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 55 m²/s²
0-3 km storm-relative helicity: 54 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.

642 
WGUS54 KTSA 092328
FFWTSA
OKC061-077-091-101-121-135-100530-
/O.NEW.KTSA.FF.W.0019.150509T2328Z-150510T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN MCINTOSH COUNTY IN SOUTHEAST OKLAHOMA...
  EXTREME NORTHEASTERN PITTSBURG COUNTY IN SOUTHEAST OKLAHOMA...
  HASKELL COUNTY IN SOUTHEAST OKLAHOMA...
  NORTHEASTERN LATIMER COUNTY IN SOUTHEAST OKLAHOMA...
  SOUTHEASTERN MUSKOGEE COUNTY IN EAST CENTRAL OKLAHOMA...
  WESTERN SEQUOYAH COUNTY IN EAST CENTRAL OKLAHOMA...

* UNTIL 1230 AM CDT

* AT 627 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE WARNED AREA. 2 TO 3    
  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...
  STIGLER...BRAGGS...BRIARTOWN...CHECOTAH...ENTERPRISE...GORE...
  GREENLEAF STATE PARK...KEEFETON...KEOTA...KINTA...LAKE EUFAULA
  STATE PARK...LAKE TENKILLER STATE PARK...LEQUIRE...MCCURTAIN...
  PORUM...QUINTON...RENTIESVILLE...TAMAHA...VIAN...WARNER...WEBBERS
  FALLS AND WHITEFIELD.

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 3546 9570 3573 9513 3564 9512 3564 9489
      3535 9473 3535 9477 3533 9479 3532 9482
      3520 9482 3520 9493 3508 9493 3495 9529

$$

1 follow-up statement

103 
WGUS74 KTSA 100012
FFSTSA

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

OKC061-077-091-101-121-135-100530-
/O.CON.KTSA.FF.W.0019.000000T0000Z-150510T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HASKELL OK-MCINTOSH OK-MUSKOGEE OK-PITTSBURG OK-SEQUOYAH OK-
LATIMER OK-
712 PM CDT SAT MAY 9 2015

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR NORTH CENTRAL LATIMER...
WESTERN SEQUOYAH...EXTREME NORTHEASTERN PITTSBURG...SOUTHEASTERN
MUSKOGEE...EASTERN MCINTOSH AND HASKELL COUNTIES UNTIL 1230 AM CDT...

AT 711 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 1230 AM. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
STIGLER...BRAGGS...BRIARTOWN...CHECOTAH...ENTERPRISE...GORE...
GREENLEAF STATE PARK...KEEFETON...KEOTA...KINTA...LAKE EUFAULA STATE
PARK...LAKE TENKILLER STATE PARK...LEQUIRE...MCCURTAIN...PORUM...
QUINTON...RENTIESVILLE...TAMAHA...VIAN...WARNER...WEBBERS FALLS AND
WHITEFIELD.

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 3546 9570 3573 9513 3564 9512 3564 9489
      3535 9473 3535 9477 3533 9479 3532 9482
      3520 9482 3520 9493 3508 9493 3495 9529

$$

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, 4:44 PM CDT	Flash Flood Warning	TSA	Latimer, McIntosh, Pittsburg	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

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.