Alert archive / Oklahoma / Flash Flood Warnings in 2008

Flash Flood Warning 5, NWS Tulsa, OK

February 16, 2008Latimer County, LeFlore County, Oklahoma

NWS Tulsa, OK issued this flash flood warning at Feb 16, 2008, 6:55 PM CST for Latimer County, LeFlore County, Oklahoma. It was in force for 4 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: Feb 16, 2008, 6:55 PM CST (00:55 UTC)
Expired: Feb 16, 2008, 11:00 PM CST
In force: 4 hr
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Flood severity: None

Counties Latimer County, OK, LeFlore County, OK

The radar

The Western Arkansas radar (KSRX), 53 km from the middle of the area, began a volume at 00:55 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, 0.9 hours before the alert went out and 230 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: 5 J/kg
Mixed-layer CIN: -126 J/kg
Mixed-layer LCL: 486 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 130 m²/s²
0-3 km storm-relative helicity: 119 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.

000 
WGUS54 KTSA 170057
FFWTSA
OKC077-079-170500-
/O.NEW.KTSA.FF.W.0005.080217T0055Z-080217T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
655 PM CST SAT FEB 16 2008

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN LATIMER COUNTY IN SOUTHEAST OKLAHOMA
  LE FLORE COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 1100 PM CST

* AT 651 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  THUNDERSTORMS WITH HEAVY RAIN ALONG A LINE CONTINUING ACROSS MUCH  
  OF LATIMER AND LE FLORE COUNTIES.  ADDITIONAL SHOWERS AND          
  THUNDERSTORMS WILL MOVE INTO THE WARNED AROUND THROUGH 11 PM...AS  
  THEY MOVE NORTHEASTWARD AT 45 MPH.  RADAR INDICATES THAT 2 TO 4    
  INCHES OF RAIN HAS ALREADY FALLEN.  ANOTHER 1 TO 2 INCHES WILL BE  
  POSSIBLE THROUGH 1100 PM CST.

* LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY HEAVY RAIN
  INCLUDE...FANSHAWE...MUSE...WISTER...HOWE...POTEAU...PANAMA AND
  SPIRO.

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.

HEAVY RAINS FLOOD ROADS AND LOW LYING AREAS RAPIDLY...SO DO NOT DRIVE
YOUR VEHICLE INTO AREAS WHERE WATER OF AN UNKNOWN DEPTH COVERS THE
ROAD. 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.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES TWO FEET OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

LAT...LON 3469 9493 3469 9527 3505 9509 3507 9492
      3521 9486 3521 9481 3533 9478 3531 9466
      3528 9467 3531 9462 3529 9450 3451 9478
      3452 9493
TIME...MOT...LOC 0055Z 216DEG 54KT 3525 9478 3478 9499

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 16, 6:28 PM CST	Flash Flood Warning	TSA	Pushmataha	4 hr
Feb 16, 9:19 PM CST	River Flood Warning	TSA	Pushmataha	15 hr
Feb 16, 9:21 PM CST	River Flood Warning	TSA	LeFlore	52 hr
Feb 17, 4:06 AM CST	Wind Advisory	TSA	Adair, Cherokee, Craig, Creek, Delaware, Mayes and 10 more	11 hr
Feb 17, 8:23 AM CST	River Flood Warning	TSA	Adair	23 hr
Feb 17, 8:23 AM CST	River Flood Warning	TSA	Adair, Cherokee	45 hr

Nearby

Flash Flood Warnings in Oklahoma, 2008 Every flash flood warning in 2008

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.