Alert archive / Oklahoma / Flash Flood Warnings in 2012

Flash Flood Warning 1, NWS Tulsa, OK

March 19, 2012Cherokee County, Mayes County, Wagoner County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at Mar 19, 2012, 2:21 PM CDT for Cherokee County, Mayes County, Wagoner County, Oklahoma. It was in force for 4 hr. 2 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: Mar 19, 2012, 2:21 PM CDT (19:21 UTC)
Expired: Mar 19, 2012, 6:30 PM CDT
In force: 4 hr
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Flood severity: None

Counties Cherokee County, OK, Mayes County, OK, Wagoner County, OK

The radar

The Tulsa radar (KINX), 34 km from the middle of the area, began a volume at 19:25 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

Time	Report	Where	Remark
Mar 19, 2:40 PM CDT	FLASH FLOOD	Pryor, OK	SEVERAL ROADS HAVE BEEN CLOSED IN PRYOR.
Mar 19, 3:30 PM CDT	FLASH FLOOD	Chouteau, OK	STREET AND ROAD FLOODING NEAR CHOUTEAU

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, 7.4 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: 631 J/kg
Mixed-layer CIN: -118 J/kg
Mixed-layer LCL: 721 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 246 m²/s²
0-3 km storm-relative helicity: 217 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

771 
WGUS54 KTSA 191921
FFWTSA
OKC021-097-145-192330-
/O.NEW.KTSA.FF.W.0001.120319T1921Z-120319T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
221 PM CDT MON MAR 19 2012

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN WAGONER COUNTY IN NORTHEAST OKLAHOMA...
  MAYES COUNTY IN NORTHEAST OKLAHOMA...
  NORTHWESTERN CHEROKEE COUNTY IN EAST CENTRAL OKLAHOMA...

* UNTIL 630 PM CDT

* AT 217 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE WARNED AREA. RADAR 
ESTIMATES THAT 1 TO 1.5 INCHES OF RAIN HAS ALREADY OCCURRED OVER 
PORTIONS OF MAYES AND EASTERN WAGONER COUNTIES. AN ADDITIONAL 1 TO 2 
INCHES WILL BE POSSIBLE THROUGH 4 PM.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT COULD EXPERIENCE FLOODING INCLUDE...
  PRYOR...WAGONER...ADAIR...CHEROKEE STATE PARK...CHOUTEAU...
  DISNEY...LANGLEY...LOCUST GROVE...OKAY...PEGGS...PENSACOLA...
  ROSE...SALINA...SEQUOYAH STATE PARK...SPAVINAW AND SPAVINAW STATE
  PARK.

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. 

LOW WATER CROSSINGS IN HILLY TERRAIN ARE ESPECIALLY DANGEROUS IN
HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND 
ALTERNATE ROUTES.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS EXPECTED OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE 
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. 

&&

LAT...LON 3651 9500 3617 9502 3582 9524 3587 9546
      3651 9543

$$

2 follow-up statements

559 
WGUS74 KTSA 192029
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
329 PM CDT MON MAR 19 2012

OKC021-097-145-192330-
/O.CON.KTSA.FF.W.0001.000000T0000Z-120319T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHEROKEE OK-MAYES OK-WAGONER OK-
329 PM CDT MON MAR 19 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EASTERN WAGONER...MAYES
AND NORTHWESTERN CHEROKEE COUNTIES UNTIL 630 PM CDT...

AT 325 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
ADDITIONAL MODERATE TO HEAVY RAIN MOVING TOWARD THE WARNED AREA. 
RADAR INDICATES 1.5 TO 2 INCHES OF RAINFALL HAS ALREADY OCCURRED IN 
PORTIONS OF THE AREA...WITH AN ADDITIONAL 1 TO 2 INCHES POSSIBLE 
THROUGH 430 PM. ROADS HAVE BEEN CLOSED IN AND AROUND PRYOR DUE TO 
HIGH WATER. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CONTINUE TO CAUSE FLASH 
FLOODING. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING 
INCLUDE...PRYOR...WAGONER...ADAIR...CHEROKEE STATE PARK... 
CHOUTEAU...DISNEY...LANGLEY...LOCUST GROVE...OKAY... 
PEGGS...PENSACOLA...ROSE...SALINA...SEQUOYAH STATE PARK...SPAVINAW 
AND SPAVINAW STATE PARK.

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. 

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

&&

LAT...LON 3651 9500 3617 9502 3582 9524 3587 9546
      3651 9543

$$

343 
WGUS74 KTSA 192240
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
540 PM CDT MON MAR 19 2012

OKC021-097-145-192330-
/O.CON.KTSA.FF.W.0001.000000T0000Z-120319T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHEROKEE OK-MAYES OK-WAGONER OK-
540 PM CDT MON MAR 19 2012

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR EASTERN WAGONER...MAYES
AND NORTHWESTERN CHEROKEE COUNTIES UNTIL 630 PM CDT...

AT 537 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAIN WERE INCREASING OVER EASTERN 
WAGONER AND SOUTHERN MAYES COUNTIES. 2 TO 4 INCHES OF RAINFALL HAS 
ALREADY OCCURRED...AND ANOTHER 1 TO 2 INCHES ARE LIKELY WITH THESE 
ADDITIONAL THUNDERSTORMS. STREET FLOODING HAS BEEN REPORTED IN BOTH 
PRYOR AND CHOUTEAU IN MAYES COUNTY. 

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
PRYOR...WAGONER...ADAIR...CHEROKEE STATE PARK...CHOUTEAU...DISNEY...
LANGLEY...LOCUST GROVE...OKAY...PEGGS...PENSACOLA...ROSE...SALINA...
SEQUOYAH STATE PARK...SPAVINAW AND SPAVINAW STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN VEHICLES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...DIPS...
OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM... EVEN A
SMALL ONE...ON FOOT OR IN A VEHICLE.

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.

&&

LAT...LON 3651 9500 3617 9502 3582 9524 3587 9546
      3651 9543

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 19, 6:42 AM CDT	Special Weather Statement	TSA	Pawnee	63 min
Mar 19, 10:58 AM CDT	River Flood Watch	TSA	Ottawa	17 hr
Mar 19, 10:58 AM CDT	River Flood Watch	TSA	LeFlore	17 hr
Mar 19, 10:58 AM CDT	River Flood Watch	TSA	Pushmataha	10 hr
Mar 19, 10:58 AM CDT	River Flood Watch	TSA	Choctaw	10 hr
Mar 19, 10:58 AM CDT	River Flood Watch	TSA	Ottawa	22 hr
Mar 19, 10:58 AM CDT	River Flood Watch	TSA	Adair	16 hr
Mar 19, 10:58 AM CDT	River Flood Watch	TSA	Cherokee	16 hr
Mar 19, 10:58 AM CDT	River Flood Watch	TSA	Cherokee, Delaware	28 hr
Mar 19, 10:58 AM CDT	River Flood Watch	TSA	Cherokee	16 hr
Mar 19, 10:58 AM CDT	River Flood Watch	TSA	Sequoyah	24 hr
Mar 19, 10:58 AM CDT	River Flood Watch	TSA	LeFlore	17 hr
Mar 19, 11:43 AM CDT	Special Weather Statement	TSA	Rogers, Tulsa	32 min
Mar 19, 11:52 AM CDT	Severe Thunderstorm Warning	TSA	Mayes, Rogers, Tulsa, Wagoner	38 min
Mar 19, 12:09 PM CDT	Special Weather Statement	TSA	Craig	36 min
Mar 19, 12:11 PM CDT	Special Weather Statement	TSA	Creek, Okfuskee	34 min
Mar 19, 12:34 PM CDT	Wind Advisory	TSA	Adair, Cherokee, Choctaw, Craig, Delaware, Haskell and 8 more	3 hr
Mar 19, 12:55 PM CDT	Special Weather Statement	TSA	Craig	50 min
Mar 19, 1:00 PM CDT	Special Weather Statement	TSA	Mayes	30 min
Mar 19, 1:30 PM CDT	Special Weather Statement	TSA	Delaware	45 min
Mar 19, 1:41 PM CDT	Areal Flood Advisory	TSA	Rogers, Tulsa, Wagoner	49 min
Mar 19, 1:56 PM CDT	Special Weather Statement	TSA	Mayes, Wagoner	49 min
Mar 19, 2:27 PM CDT	River Flood Warning	TSA	Creek	42 hr
Mar 19, 2:29 PM CDT	Special Weather Statement	TSA	Cherokee, Delaware	46 min
Mar 19, 2:57 PM CDT	Flash Flood Warning	TSA	Creek, Okfuskee, Okmulgee, Tulsa	4 hr
Mar 19, 3:26 PM CDT	Special Weather Statement	TSA	Wagoner	34 min
Mar 19, 4:15 PM CDT	Flash Flood Warning	TSA	Muskogee, Rogers, Wagoner	4 hr
Mar 19, 4:57 PM CDT	Flash Flood Warning	TSA	Craig, Delaware, Ottawa	6 hr
Mar 19, 6:09 PM CDT	Flash Flood Warning	TSA	Cherokee, McIntosh, Mayes, Muskogee, Rogers, Wagoner	6 hr
Mar 19, 6:32 PM CDT	Special Weather Statement	TSA	Pittsburg	28 min
Mar 19, 6:44 PM CDT	Tornado Warning	TSA	Haskell, Latimer, Pittsburg	31 min
Mar 19, 6:53 PM CDT	Special Weather Statement	TSA	Hughes	52 min
Mar 19, 6:59 PM CDT	Flash Flood Warning	TSA	Creek, Okfuskee, Okmulgee, Tulsa	6 hr

Nearby

Flash Flood Warnings in Oklahoma, 2012 Every flash flood warning in 2012

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.