Alert archive / Oklahoma / Flash Flood Warnings in 2008

Flash Flood Warning 1, NWS Tulsa, OK

January 7, 2008Benton County, Washington County, Arkansas; 6 counties in Oklahoma

NWS Tulsa, OK issued this flash flood warning at Jan 7, 2008, 8:24 PM CST for Benton County, Washington County, Arkansas; 6 counties in Oklahoma. It was in force for 4 hr. 9 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: Jan 7, 2008, 8:24 PM CST (02:24 UTC)
Expired: Jan 8, 2008, 12:30 AM CST
In force: 4 hr
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Flood severity: None

Counties Benton County, AR, Washington County, AR, Adair County, OK, Cherokee County, OK, Delaware County, OK, Muskogee County, OK, Okmulgee County, OK, Wagoner County, OK

The radar

The Tulsa radar (KINX), 62 km from the middle of the area, began a volume at 02:24 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
Jan 7, 8:50 PM CST	FLASH FLOOD	4 Se Peggs, OK	WATER RISING OVER COUNTY ROADS SOUTH AND EAST OF PEGGS
Jan 7, 10:20 PM CST	FLASH FLOOD	3 Sw Peggs, OK	WATER 2 TO 3 FEET DEEP FLOWING OVER ROAD
Jan 7, 10:30 PM CST	FLASH FLOOD	5 E Hulbert, OK	WATER WASHED DEBRIS OVER ROADS BETWEEN HULBERT AND TAHLEQUAH. TIME APPROXIMATE.
Jan 7, 10:32 PM CST	FLASH FLOOD	4 W Okay, OK	FLOODING ON HIGHWAY 16
Jan 7, 11:20 PM CST	FLASH FLOOD	10 N Proctor, OK	SECONDARY ROADS FLOODED DUE TO HIGH WATER
Jan 7, 11:30 PM CST	FLASH FLOOD	Jamesville, OK	SECONDARY ROADS FLOODED DUE TO HIGH WATER
Jan 7, 11:32 PM CST	FLASH FLOOD	2 W Eram, OK	SECONDARY ROADS FLOODED
Jan 7, 11:40 PM CST	FLASH FLOOD	Colcord, OK	SEVERAL AREA ROADS CLOSED DUE TO HIGH WATER
Jan 7, 11:44 PM CST	FLASH FLOOD	Gravette, AR	MOBILE HOME FLOATED APPROX 50 FEET DUE TO RISING WATER

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

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 9 storm reports to this flash flood warning; the first came 26 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.4 hours before the alert went out and 133 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: 765 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 955 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 281 m²/s²
0-3 km storm-relative helicity: 338 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 7.2

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KTSA 080227
FFWTSA
ARC007-143-OKC001-021-041-101-111-145-080630-
/O.NEW.KTSA.FF.W.0001.080108T0224Z-080108T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
824 PM CST MON JAN 7 2008

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CHEROKEE COUNTY IN EAST CENTRAL OKLAHOMA
  NORTHERN MUSKOGEE COUNTY IN EAST CENTRAL OKLAHOMA
  NORTHERN ADAIR COUNTY IN NORTHEAST OKLAHOMA
  SOUTHERN DELAWARE COUNTY IN NORTHEAST OKLAHOMA
  EASTERN OKMULGEE COUNTY IN NORTHEAST OKLAHOMA
  SOUTHEASTERN WAGONER COUNTY IN NORTHEAST OKLAHOMA
  BENTON COUNTY IN NORTHWEST ARKANSAS
  NORTHWESTERN WASHINGTON COUNTY IN NORTHWEST ARKANSAS

* UNTIL 1230 AM CST

* AT 820 PM CST...THUNDERSTORMS WERE REPEATEDLY MOVING
  THROUGH THE WARNED AREA WITH 1 TO 3 INCHES OF RAIN 
  ALREADY HAVING FALLEN AND ANOTHER 1 TO 3 INCHES IS
  EXPECTED.  FLASH FLOODING IS EXPECTED WITH THESE
  STORMS.   


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.

WHEN WATER COVERS THE ROADWAY REMEMBER...TURN AROUND DONT DROWN. 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 3629 9390 3558 9548 3557 9586 3581 9579
      3608 9517 3608 9512 3611 9511 3651 9461
      3650 9386
TIME...MOT...LOC 0224Z 223DEG 39KT 3631 9458

$$

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tulsa, OK wrote its last area forecast discussion before this flash flood warning went out at Jan 7, 7:58 PM CST, 26 minutes earlier.

Area forecast discussion, Jan 7, 7:58 PM CST, 26 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
758 PM CST MON JAN 7 2008

.DISCUSSION...
UPDATED ZFP SENT TO REFLECT THE ADDITION OF TORNADO WATCH 5...
ELSEWHERE... WATCH 3 REMAINS IN EFFECT FOR AREAS NOT REPLACED BY
WATCH 5. HAVE MADE NO ADJUSTMENTS TO FORECAST ELEMENTS WITH THIS
UPDATE. WILL MONITOR TEMP/POP TRENDS AND WILL UPDATE THESE
ELEMENTS LATER AS WARRANTED.

.TSA WATCHES/WARNINGS/ADVISORIES...
OK...NONE.
AR...NONE.
&&

SHORT TERM...23

Hazardous weather outlook, Jan 7, 7:40 PM CST, 44 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
740 PM CST MON JAN 7 2008

ARZ001-002-010-011-019-020-029-OKZ049-053>076-081100-
ADAIR OK-BENTON AR-CARROLL AR-CHEROKEE OK-CHOCTAW OK-CRAIG OK-
CRAWFORD AR-CREEK OK-DELAWARE OK-FRANKLIN AR-HASKELL OK-LATIMER OK-
LE FLORE OK-MADISON AR-MAYES OK-MCINTOSH OK-MUSKOGEE OK-NOWATA OK-
OKFUSKEE OK-OKMULGEE OK-OSAGE OK-OTTAWA OK-PAWNEE OK-PITTSBURG OK-
PUSHMATAHA OK-ROGERS OK-SEBASTIAN AR-SEQUOYAH OK-TULSA OK-WAGONER OK-
WASHINGTON OK-WASHINGTON AR-
740 PM CST MON JAN 7 2008

THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS
MUCH OF EASTERN OKLAHOMA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.
TORNADO.
	RISK...SIGNIFICANT.
	AREA...NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING

	AREA AT GREATEST RISK...MOST OF EASTERN OKLAHOMA...NORTHWEST AND
        WEST CENTRAL ARKANSAS.

SEVERE THUNDERSTORM.
	RISK...SIGNIFICANT.
	AREA...ALL EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
        ONSET...ONGOING

	AREA AT GREATEST RISK...FAR NORTHEAST OKLAHOMA AND
        NORTHWEST AND WEST CENTRAL ARKANSAS.

DISCUSSION...
STRONG TO SEVERE THUNDERSTORMS CONTINUE ACROSS PARTS OF EASTERN
OKLAHOMA AND NORTHWEST ARKANSAS THIS EVENING. THE UPPER SYSTEM HAS
MOVED CLOSER THE REGION...AND SURFACE WINDS HAVE BACKED THIS EVENING
IN RESPONSE TO THE APPROACHING UPPER SYSTEM AND DEVELOPING SURFACE
LOW ACROSS THE TEXAS PANHANDLE. AS A RESULT...FAST MOVING...ROTATING
SUPERCELLS HAVE CONTINUED TO TRAIN WITHIN THE INSTABILITY/MOIST
AXIS. THE INSTABILITY AXIS WILL EVENTUALLY GET PUSHED EAST LATER
TONIGHT AS THE UPPER SYSTEM MOVES ACROSS THE SOUTHERN PLAINS...WHICH
WILL PUSH A SURFACE COLD FRONT INTO NORTHEAST OKLAHOMA FROM THE
NORTHWEST.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...SPOTTER
ACTIVATION WILL BE NEEDED...ESPECIALLY ACROSS FAR NORTHEAST OKLAHOMA
AND NORTHWEST ARKANSAS. STORM MOTIONS WILL LIKELY BE TOO FAST TO
TRACK INDIVIDUALLY...THEREFORE CONSTRUCT YOUR SPOTTER PLACEMENT
ACCORDINGLY.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.
TUESDAY...HIGH WIND POTENTIAL.
WEDNESDAY...NO HAZARDS.
THURSDAY...NO HAZARDS.
FRIDAY...NO HAZARDS.
SATURDAY...NO HAZARDS.
SUNDAY...NO HAZARDS.

EXTENDED DISCUSSION...
GUSTY NORTHWESTERLY WINDS WILL DEVELOP ON TUESDAY IN
WAKE OF THE DEPARTING STORM SYSTEM...WITH GUSTS OF
25 TO 35 MPH BEING COMMON.  A MORE TRANQUIL WEATHER
PATTERN IS EXPECTED FOR THE REMAINDER OF THE WEEK.

WWW.SRH.NOAA.GOV/TULSA CONTAINS ADDITIONAL TABULAR AND GRAPHICAL
INFORMATION.

In the hours before

Local storm report, Jan 7, 6:06 PM CST, 2 hours 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
606 PM CST MON JAN 07 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0531 PM     HAIL             SULPHUR SPRINGS         36.48N 94.46W
01/07/2008  M0.75 INCH       BENTON             AR   EMERGENCY MNGR

&&

RBD

Local storm report, Jan 7, 7:01 PM CST, 1 hour 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
701 PM CST MON JAN 07 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0650 PM     HAIL             KEEFETON                35.60N 95.35W
01/07/2008  M0.88 INCH       MUSKOGEE           OK   PUBLIC

&&

RBD

Local storm report, Jan 7, 7:16 PM CST, 1 hour 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
716 PM CST MON JAN 07 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0700 PM     HAIL             4 N TAHLEQUAH           35.97N 94.97W
01/07/2008  E1.00 INCH       CHEROKEE           OK   AMATEUR RADIO

&&

SAA

Local storm report, Jan 7, 8:16 PM CST, 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
816 PM CST MON JAN 07 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0809 PM     TORNADO          9 NE DECATUR            36.43N 94.35W
01/07/2008                   BENTON             AR   EMERGENCY MNGR

&&

SFP

Local storm report, Jan 7, 8:18 PM CST, 6 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
818 PM CST MON JAN 07 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0818 PM     HAIL             1 S SILOAM SPRINGS      36.17N 94.54W
01/07/2008  E1.00 INCH       BENTON             AR   EMERGENCY MNGR

&&

SFP

Local storm report, Jan 7, 8:20 PM CST, 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
820 PM CST MON JAN 07 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0815 PM     TORNADO          HIWASSE                 36.43N 94.33W
01/07/2008                   BENTON             AR   EMERGENCY MNGR

&&

SFP

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 7, 7:14 PM CST	Tornado Warning	TSA	Benton	31 min
Jan 7, 7:42 PM CST	Tornado Warning	TSA	Benton	48 min
Jan 7, 8:09 PM CST	Tornado Warning	TSA	Benton, Washington	66 min
Jan 7, 8:54 PM CST	Tornado Warning	TSA	Benton	66 min
Jan 7, 9:57 PM CST	Tornado Warning	TSA	Benton	63 min
Jan 7, 10:45 PM CST	Tornado Warning	TSA	Benton	60 min
Jan 7, 11:45 PM CST	Severe Thunderstorm Warning	TSA	Benton	35 min
Jan 8, 12:38 AM CST	Tornado Warning	TSA	Benton	19 min
Jan 8, 1:15 AM CST	Severe Thunderstorm Warning	TSA	Benton	60 min
Jan 8, 2:11 AM CST	Flash Flood Warning	TSA	Benton	3 hr
Jan 8, 2:17 AM CST	Severe Thunderstorm Warning	TSA	Benton, Carroll	58 min
Jan 8, 2:58 AM CST	Special Weather Statement	TSA	Washington	32 min
Jan 7, 6:31 PM CST	Severe Thunderstorm Warning	TSA	McIntosh, Muskogee	59 min
Jan 7, 6:38 PM CST	Severe Thunderstorm Warning	TSA	Adair, Cherokee	67 min
Jan 7, 6:57 PM CST	Tornado Warning	TSA	Cherokee	33 min
Jan 7, 7:03 PM CST	Tornado Warning	TSA	Cherokee, Muskogee	42 min
Jan 7, 7:06 PM CST	Tornado Warning	TSA	Adair, Delaware	24 min
Jan 7, 7:11 PM CST	Tornado Warning	TSA	McIntosh, Muskogee	34 min
Jan 7, 7:22 PM CST	Tornado Warning	TSA	McIntosh, Muskogee	41 min
Jan 7, 7:28 PM CST	Tornado Warning	TSA	Adair, Delaware	32 min
Jan 7, 7:35 PM CST	Tornado Warning	TSA	Adair, Cherokee	55 min
Jan 7, 7:40 PM CST	Tornado Warning	TSA	Cherokee, Muskogee	50 min
Jan 7, 7:58 PM CST	Tornado Warning	TSA	Cherokee	31 min
Jan 7, 7:59 PM CST	Severe Thunderstorm Warning	TSA	Cherokee, Delaware, Mayes, Muskogee, Wagoner	61 min
Jan 7, 8:08 PM CST	Severe Thunderstorm Warning	TSA	McIntosh, Muskogee, Okfuskee, Okmulgee, Rogers, Tulsa and 1 more	67 min
Jan 7, 8:17 PM CST	Tornado Warning	TSA	Cherokee, Muskogee, Wagoner	43 min
Jan 7, 9:00 PM CST	Severe Thunderstorm Warning	TSA	Cherokee, Craig, Delaware, McIntosh, Mayes, Muskogee and 5 more	60 min
Jan 7, 9:40 PM CST	Tornado Warning	TSA	Cherokee, McIntosh, Muskogee, Okmulgee, Wagoner	65 min
Jan 7, 9:54 PM CST	Flash Flood Warning	TSA	Okfuskee, Okmulgee	3 hr
Jan 7, 9:58 PM CST	Severe Thunderstorm Warning	TSA	McIntosh, Okfuskee, Okmulgee	62 min
Jan 7, 10:07 PM CST	Special Weather Statement	TSA	Osage, Pawnee	53 min
Jan 7, 10:58 PM CST	Severe Thunderstorm Warning	TSA	Muskogee, Okmulgee	38 min
Jan 7, 11:11 PM CST	Tornado Warning	TSA	Muskogee, Okmulgee	34 min
Jan 7, 11:20 PM CST	Tornado Warning	TSA	Mayes, Rogers, Wagoner	55 min
Jan 7, 11:59 PM CST	Tornado Warning	TSA	Cherokee, Delaware, Mayes, Wagoner	61 min
Jan 8, 12:15 AM CST	Special Weather Statement	TSA	Craig, Creek, Mayes, Nowata, Okmulgee, Rogers and 3 more	30 min
Jan 8, 12:59 AM CST	Special Weather Statement	TSA	Craig, Delaware, Mayes, Nowata, Ottawa, Rogers and 2 more	61 min
Jan 8, 1:40 AM CST	Special Weather Statement	TSA	Adair, Cherokee, Muskogee, Okfuskee, Okmulgee, Wagoner	50 min
Jan 8, 2:31 AM CST	Special Weather Statement	TSA	Adair, Cherokee, Muskogee	29 min

Nearby

Flash Flood Warnings in Oklahoma, 2008 Flash Flood Warnings in Arkansas, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.