Alert archive / Oklahoma / Flash Flood Warnings in 2002

Flash Flood Warning 12, NWS Tulsa, OK

March 19, 2002Haskell County, Sequoyah County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at Mar 19, 2002, 7:06 PM CST for Haskell County, Sequoyah County, Oklahoma. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Mar 19, 2002, 7:06 PM CST (01:06 UTC)
Expired: Mar 19, 2002, 10:00 PM CST
In force: 3 hr
Issued by: NWS Tulsa, OK
Area: Whole counties

Counties Haskell County, OK, Sequoyah County, OK

The radar

The Western Arkansas radar (KSRX), 53 km from the middle of the area, began a volume at 01:07 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

Springfield, MO (KSGF), launched 00:00Z, 1.1 hours before the alert went out and 199 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 453 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 74 m²/s²
0-3 km storm-relative helicity: 66 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.

000 
WGUS54 KTSA 200106
FFWTUL
OKC061-135-200400-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
704 PM CST TUE MAR 19 2002

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR
  SEQUOYAH COUNTY IN EAST CENTRAL OKLAHOMA
  HASKELL COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 1000 PM CST

* AT 704 PM CST RADAR INDICATED AN AREA OF VERY HEAVY RAIN WITH      
  EMBEDDED THUNDERSTORMS ACROSS HASKELL AND SEQUOYAH                 
  COUNTIES...MOVING MOVING NORTHEAST AT 20 MPH. FLOODING WAS         
  REPORTED ON COUNTY ROADS IN HASKELL COUNTY AT 700 PM CST.

  RADAR INDICATES THAT 3 TO 5 INCHES OF RAIN HAS ALREADY FALLEN OVER 
  THE WARNED AREA. ANOTHER 1 TO 2 INCHES WILL BE POSSIBLE THROUGH    
  1000 PM CST.

* SOME LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY THE HEAVY RAIN
  INCLUDE STIGLER...LEQUIRE...KINTA...MC CURTAIN...ENTERPRISE...
  WHITEFIELD...KEOTA...TAMAHA...SALLISAW...GANS...MULDROW...ROLAND...
  VIAN...BRUSHY...SHORT...MARBLE CITY AND MOFFETT.

THIS IS A DANGEROUS FLASH FLOOD SITUATION STREAMS AND CREEKS ARE 
OUT OF THEIR BANKS. SIGNIFICANT FLOODING HAS OCCURRED THIS EVENING 
IN PARTS OF SOUTHEAST OKLAHOMA. 

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

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT IS
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD AVOID
CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.

$$

MANNING

LAT...LON 3529 9545 3509 9537 3509 9493 3533 9478
          3535 9444 3567 9448 3564 9513 3541 9507
          3527 9522

1 follow-up statement

000 
WGUS74 KTSA 200252
FFSTUL
OKC061-135-200400-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
850 PM CST TUE MAR 19 2002

...A FLASH FLOOD WARNING CONTINUES FOR SEQUOYAH AND HASKELL COUNTIES 
UNTIL 1000 PM CST...

AT 850 PM CST...RADAR CONTINUED TO SHOW AN AREA OF VERY HEAVY RAIN 
OVER HASKELL AND SEQUOYAH COUNTIES...MOVING NORTHEAST AT 20 MPH. 
ADDITIONAL HEAVY RAINFALL OVER SOUTH CENTRAL OKLAHOMA WILL MOVE INTO 
THE AREA BEFORE 1000 PM CST. ANY ADDITIONAL RAINFALL WILL ONLY CAUSE 
EXISTING FLOODING PROBLEMS TO WORSEN.

RADAR INDICATES THAT 4 TO 6 INCHES OF RAIN HAS ALREADY FALLEN OVER 
THE WARNED AREA. ANOTHER 1 TO 2 INCHES WILL BE POSSIBLE THROUGH 1000 
PM CST.

AT 800 PM CST...HASKELL COUNTY EMERGENCY MANAGEMENT REPORTED SANS 
BOIS CREEK OUT OF ITS BANKS. ALSO ROADS WERE FLOODED OVER THE 
SOUTHERN PART OF THE COUNTY. 

AT 735 PM CST...THE SEQUOYAH COUNTY SHERIFFS OFFICE REPORTED THAT 
MANY COUNTY ROADS EAST OF SALLISAW WERE UNDERWATER. SIDE STREETS 
WERE ALSO FLOODED IN VIAN.

SIGNIFICANT FLOODING HAS OCCURRED IN OTHER PARTS OF SOUTHEAST 
OKLAHOMA...THIS IS A DANGEROUS SITUATION...AND RESIDENTS SHOULD 
CLOSELY MONITOR THE LATEST WEATHER AND FLOOD INFORMATION.

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

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

$$

MANNING

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 19, 9:44 PM CST	Flash Flood Warning	TSA	Choctaw, Haskell, Latimer, LeFlore, Pittsburg, Pushmataha and 1 more	6 hr

Nearby

Flash Flood Warnings in Oklahoma, 2002 Every flash flood warning in 2002

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.