Alert archive / Oklahoma / Flash Flood Warnings in 2015

Flash Flood Warning 9, NWS Tulsa, OK

April 13, 20155 counties in Oklahoma

NWS Tulsa, OK issued this flash flood warning at Apr 13, 2015, 1:39 PM CDT for 5 counties in Oklahoma. It was in force for 6 hr. 7 reports 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
Apr 13, 2015, 1:39 PM CDT (18:39 UTC)
Expired
Apr 13, 2015, 7:30 PM 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

The radar

The Tulsa radar (KINX), 115 km from the middle of the area, began a volume at 18:39 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.

What was reported inside it

TimeReportWhereRemark
Apr 13, 2:30 PM CDTFLASH FLOOD6 Wsw Mcalester, OKHIGHWAY 31 CLOSED BETWEEN STEVEN TAYLOR INDUSTRIAL PARK AND HAYWOOD ON THE SOUTHWEST SIDE OF MCALESTER.
Apr 13, 3:00 PM CDTFLASH FLOOD5 Nw Haywood, OKZ BRIDGE COMPLETELY SUBMERGED ON DOUBLE SPRINGS ROAD.
Apr 13, 4:00 PM CDTFLASH FLOOD3 Sw Mcalester, OKWATER FLOWING OVER SHUMAN ROAD ONE MILE SOUTH OF FRINK ROAD.
Apr 13, 6:05 PM CDTHEAVY RAIN 2.07Eufaula, OKRAINFALL TOTAL SINCE MIDNIGHT.
Apr 13, 6:05 PM CDTHEAVY RAIN 2.32Webbers Falls, OKRAINFALL TOTAL SINCE MIDNIGHT.
Apr 13, 6:05 PM CDTHEAVY RAIN 2.54Stigler, OKRAINFALL TOTAL SINCE MIDNIGHT.
Apr 13, 6:05 PM CDTHEAVY RAIN 2.76Mcalester, OKRAINFALL TOTAL SINCE MIDNIGHT.

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

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 6.7 hours before the alert went out and 162 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, Norman, OK at 12:00Z on 2015-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Norman, OK at 12:00Z on 2015-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -227 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
720 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
-227 m²/s²
0-3 km storm-relative helicity
-108 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.

512 
WGUS54 KTSA 131839
FFWTSA
OKC061-077-091-101-121-140030-
/O.NEW.KTSA.FF.W.0009.150413T1839Z-150414T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
139 PM CDT MON APR 13 2015

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MCINTOSH COUNTY IN SOUTHEAST OKLAHOMA...
  MUSKOGEE COUNTY IN EAST CENTRAL OKLAHOMA...
  PITTSBURG COUNTY IN SOUTHEAST OKLAHOMA...
  WESTERN HASKELL COUNTY IN SOUTHEAST OKLAHOMA...
  WESTERN LATIMER COUNTY IN SOUTHEAST OKLAHOMA...

* UNTIL 730 PM CDT

* AT 138 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
HEAVY RAIN ACROSS THE WARNED AREA. RADAR ESTIMATES AND MEASUREMENTS 
FROM GAUGES IN THEW WARNED AREA INDICATE 2 TO 3 INCHES OF RAINFALL 
HAS ALREADY OCCURRED TODAY WITH AN ADDITIONAL HALF INCH TO AN INCH 
POSSIBLE. REPORTS HAVE BEEN RECEIVED FROM PITTSBURG COUNTY OFFICIALS 
OF ROAD CLOSINGS IN THE AREA.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
  EUFAULA...MCALESTER...STIGLER...WILBURTON...ALDERSON...ARROWHEAD
  STATE PARK...ASHLAND...BLANCO...BLOCKER...BRIARTOWN...CANADIAN...
  CHECOTAH...COUNCIL HILL...CROWDER...ENTERPRISE...HANNA...
  HARTSHORNE...HAYWOOD...HIGGINS...INDIANOLA...KEEFETON...KINTA...
  KIOWA...KREBS...LAKE EUFAULA STATE PARK...MCALESTER REGIONAL
  AIRPORT...OKTAHA...PORUM...QUINTON AND RAIFORD.

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.

LOW WATER CROSSINGS IN HILLY TERRAIN ARE ESPECIALLY DANGEROUS IN
HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND
ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF SWIFTLY FLOWING WATER
TO CARRY VEHICLES AWAY.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN TULSA.

&&

LAT...LON 3468 9589 3468 9610 3505 9610 3516 9599
      3537 9598 3538 9587 3546 9588 3547 9582
      3555 9580 3564 9547 3575 9534 3555 9513
      3546 9509 3544 9502 3529 9506 3484 9535
      3468 9538 3468 9551 3460 9551 3459 9588

$$

LACY
2 follow-up statements
266 
WGUS74 KTSA 132004
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
304 PM CDT MON APR 13 2015

OKC061-077-091-101-121-140030-
/O.CON.KTSA.FF.W.0009.000000T0000Z-150414T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HASKELL OK-MCINTOSH OK-MUSKOGEE OK-PITTSBURG OK-LATIMER OK-
304 PM CDT MON APR 13 2015

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WESTERN LATIMER...
PITTSBURG...MUSKOGEE...MCINTOSH AND WESTERN HASKELL COUNTIES UNTIL
730 PM CDT...

AT 303 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
LIGHT TO MODERATE RAIN ACROSS THE WARNED AREA. 2 TO 3 INCHES OF 
RAINFALL HAS ALREADY OCCURRED WITH AN ADDITIONAL 1 TO 2 INCHES 
POSSIBLE. SEVERAL REPORTS OF ROADS CLOSED AND BRIDGES WASHED OUT 
HAVE BEEN RECEIVED OUT OF PITTSBURG COUNTY.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
EUFAULA...MCALESTER...STIGLER...WILBURTON...ALDERSON...ARROWHEAD
STATE PARK...ASHLAND...BLANCO...BLOCKER...BRIARTOWN...CANADIAN...
CHECOTAH...COUNCIL HILL...CROWDER...ENTERPRISE...HANNA...
HARTSHORNE...HAYWOOD...HIGGINS...INDIANOLA...KEEFETON...KINTA...
KIOWA...KREBS...LAKE EUFAULA STATE PARK...MCALESTER REGIONAL
AIRPORT...OKTAHA...PORUM...QUINTON AND RAIFORD.

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.

LOW WATER CROSSINGS IN HILLY TERRAIN ARE ESPECIALLY DANGEROUS IN
HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND
ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF SWIFTLY FLOWING WATER
TO CARRY VEHICLES AWAY.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN TULSA.

&&

LAT...LON 3468 9589 3468 9610 3505 9610 3516 9599
      3537 9598 3538 9587 3546 9588 3547 9582
      3555 9580 3564 9547 3575 9534 3555 9513
      3546 9509 3544 9502 3529 9506 3484 9535
      3468 9538 3468 9551 3460 9551 3459 9588

$$

LACY
113 
WGUS74 KTSA 132223
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
523 PM CDT MON APR 13 2015

OKC061-077-091-101-121-140030-
/O.CON.KTSA.FF.W.0009.000000T0000Z-150414T0030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HASKELL OK-MCINTOSH OK-MUSKOGEE OK-PITTSBURG OK-LATIMER OK-
523 PM CDT MON APR 13 2015

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WESTERN LATIMER...
PITTSBURG...MUSKOGEE...MCINTOSH AND WESTERN HASKELL COUNTIES UNTIL
730 PM CDT...

AT 519 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE LIGHT TO MODERATE RAINFALL WAS COMING TO AN END ACROSS THE 
WARNED AREA. 2 TO 3 INCHES OF RAIN...WITH LOCALLY HIGHER AMOUNTS HAS 
ALREADY FALLEN AND FLOODING OF LOW LYING AREAS WILL LIKELY CONTINUE. 
SEVERAL REPORTS OF ROADS CLOSED AND BRIDGES WASHED OUT HAVE BEEN 
RECEIVED OUT OF PITTSBURG COUNTY.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
EUFAULA...MCALESTER...STIGLER...WILBURTON...ALDERSON...ARROWHEAD
STATE PARK...ASHLAND...BLANCO...BLOCKER...BRIARTOWN...CANADIAN...
CHECOTAH...COUNCIL HILL...CROWDER...ENTERPRISE...HANNA...
HARTSHORNE...HAYWOOD...HIGGINS...INDIANOLA...KEEFETON...KINTA...
KIOWA...KREBS...LAKE EUFAULA STATE PARK...MCALESTER REGIONAL
AIRPORT...OKTAHA...PORUM...QUINTON AND RAIFORD.

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.

LOW WATER CROSSINGS IN HILLY TERRAIN ARE ESPECIALLY DANGEROUS IN
HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND
ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF SWIFTLY FLOWING WATER
TO CARRY VEHICLES AWAY.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN TULSA.

&&

LAT...LON 3468 9589 3468 9610 3505 9610 3516 9599
      3537 9598 3538 9587 3546 9588 3547 9582
      3555 9580 3564 9547 3575 9534 3555 9513
      3546 9509 3544 9502 3529 9506 3484 9535
      3468 9538 3468 9551 3460 9551 3459 9588

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 9:29 AM CDTAreal Flood AdvisoryTSAHaskell, Latimer, LeFlore, McIntosh, Muskogee, Pittsburg and 1 more6 hr
Apr 13, 12:30 PM CDTAreal Flood AdvisoryTSALatimer, LeFlore, Pittsburg, Pushmataha7 hr
Apr 13, 3:16 PM CDTAreal Flood AdvisoryTSACherokee, Haskell, Latimer, LeFlore, Muskogee, Sequoyah4 hr
Apr 13, 3:57 PM CDTFlash Flood WarningTSACherokee, Haskell, Latimer, LeFlore, Muskogee, Pushmataha and 1 more6 hr

Nearby

Flash Flood Warnings in Oklahoma, 2015Every 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; radar from the NEXRAD Level II archive.