Alert archive / Oklahoma / Flash Flood Warnings in 2008

Flash Flood Warning 82, NWS Tulsa, OK

June 1, 20085 counties in Oklahoma

NWS Tulsa, OK issued this flash flood warning at Jun 1, 2008, 9:56 AM CDT for 5 counties in 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: Jun 1, 2008, 9:56 AM CDT (14:56 UTC)
Expired: Jun 1, 2008, 1:59 PM CDT
In force: 4 hr
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Flood severity: None

Counties Creek County, OK, Osage County, OK, Pawnee County, OK, Tulsa County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 86 km from the middle of the area, began a volume at 14:56 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
Jun 1, 10:15 AM CDT	FLASH FLOOD	Cleveland, OK	MAIN STREET FLOODED FOR 45 MINUTES.
Jun 1, 10:37 AM CDT	FLASH FLOOD	Sapulpa, OK	PEOPLE TRAPPED IN CARS DUE TO HIGH 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 2 storm reports to this flash flood warning; the first came 19 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

Lamont, OK (KLMN), launched 12:00Z, 2.9 hours before the alert went out and 93 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: 981 J/kg
Mixed-layer CIN: -92 J/kg
Mixed-layer LCL: 976 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 77 m²/s²
0-3 km storm-relative helicity: 139 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KTSA 011457
FFWTSA
OKC037-113-117-143-147-012100-
/O.NEW.KTSA.FF.W.0082.080601T1456Z-080601T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
956 AM CDT SUN JUN 1 2008

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CREEK COUNTY IN NORTHEAST OKLAHOMA
  OSAGE COUNTY IN NORTHEAST OKLAHOMA
  PAWNEE COUNTY IN NORTHEAST OKLAHOMA
  TULSA COUNTY IN NORTHEAST OKLAHOMA
  WASHINGTON COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 400 PM CDT SUNDAY

* AT 953 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  AN AREA OF THUNDERSTORMS WITH HEAVY RAIN MOVING EAST ACROSS THE 
  WARNED AREA. RADAR INDICATES THAT 1 TO 3 INCHES OF  RAIN HAS       
  ALREADY FALLEN. ANOTHER 1 TO 3 INCHES WILL BE POSSIBLE THROUGH     
  400 PM CDT SUNDAY.

* LOCATIONS THAT WILL CONTINUE TO BE AFFECTED BY HEAVY RAIN
  INCLUDE...BARNSDALL...OKESA...SLICK...KELLYVILLE...HULAH...AVANT...
  SAND SPRINGS...SAPULPA...SKIATOOK...KIEFER...MOUNDS...SPERRY...
  RAMONA...GLENPOOL...JENKS...VERA...TULSA...COLLINSVILLE...OWASSO
  AND BIXBY.

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.

LAT...LON 3699 9600 3661 9601 3651 9582 3587 9583
      3593 9602 3586 9604 3586 9618 3565 9619
      3565 9662 3616 9663 3617 9681 3625 9692
      3634 9692 3635 9703 3651 9703 3658 9688
      3659 9704 3670 9706 3679 9675 3700 9674
TIME...MOT...LOC 1456Z 277DEG 22KT 3624 9626

$$

1 follow-up statement

000 
WGUS74 KTSA 011859
FFSTSA

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
158 PM CDT SUN JUN 1 2008

OKC037-113-117-143-147-011908-
/O.CAN.KTSA.FF.W.0082.000000T0000Z-080601T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WASHINGTON OK-OSAGE OK-CREEK OK-TULSA OK-PAWNEE OK-
158 PM CDT SUN JUN 1 2008

...THE FLASH FLOOD WARNING FOR PAWNEE...TULSA...CREEK...OSAGE AND
WASHINGTON COUNTIES IS CANCELLED...

THERE ARE NO REPORTS OF HIGH WATER AT THIS TIME.  

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

LAT...LON 3699 9600 3661 9601 3651 9582 3587 9583
      3593 9602 3586 9604 3586 9618 3565 9619
      3565 9662 3616 9663 3617 9681 3625 9692
      3634 9692 3635 9703 3651 9703 3658 9688
      3659 9704 3670 9706 3679 9675 3700 9674
TIME...MOT...LOC 1858Z 277DEG 22KT 3605 9444

$$

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 Jun 1, 4:51 AM CDT, 5 hours 5 minutes earlier.

Area forecast discussion, Jun 1, 4:51 AM CDT, 5 hours 5 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
451 AM CDT SUN JUN 1 2008

.DISCUSSION...
BOUNDARY FROM SOUTHERN MISSOURI WEST BACK INTO NORTHEAST
OKLAHOMA STILL ACTIVE.  CURRENTLY BIG HAILER IN DELAWARE
COUNTY.  FORECAST CONTINUES TO REVOLVE AROUND BOUNDARIES
AND CONDITIONALLY UNSTABLE ATMOSPHERE. IN THE SHORT TERM
TRIED TO PLAY ONGOING CONVECTION. MORE THUNDER LIKELY TO
IGNITE AGAIN THIS AFTERNOON WITH WEST-EAST BOUNDARY NEAR
THE VICINITY OF STATE HIGHWAY 412. HIGHEST POP NORTHEAST.
NORTHEAST CONTINUES TO BE FAVORED THIS EVENING..INTO THE
OVERNIGHT HOURS. FRONT LIFTS NORTH MONDAY WITH TEMP INTO
LOWER 90S. UNSEASONABLY MILD NIGHT MONDAY NIGHT.   NEAR
ZONAL FLOW PUSHES FRONTAL BOUNDARY TO NEAR  I-44 BY DARK
TUESDAY.  RE-INTRODUCED PRECIP CHANCES TUESDAY AFTERNOON
AND NIGHT. MODELS AGREE ON LARGE SCALLE RIDGE EAST COAST
AND LARGE TROF WEST AFTER WEDNESDAY.   AN ACTIVE WEATHER
PERIOD TO FOLLOW...IF NOT OUR FORECAST AREA... ELSEWHERE
IN THE PLAINS.
GW

&&

.PRELIMINARY POINT TEMPS/POPS...
TUL   90  71  93  77 /  50  30  20  10
FSM   91  69  93  73 /  40  30  10  10
MLC   90  72  90  74 /  20  20  10  10
BVO   86  65  93  74 /  50  40  30  10
FYV   86  65  88  72 /  50  40  20  10
BYV   85  63  88  72 /  60  50  20  10
MKO   89  68  92  74 /  40  30  20  10
MIO   84  65  89  73 /  60  50  30  10
F10   91  70  91  73 /  30  20  10  10
HHW   89  69  90  74 /  10  10   0  10

&&

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

SHORT TERM...21
LONG TERM....21

Hazardous weather outlook, Jun 1, 9:00 AM CDT, 56 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
900 AM CDT SUN JUN 1 2008

ARZ001-002-010-011-019-020-029-OKZ049-053>076-021000-
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-
900 AM CDT SUN JUN 1 2008

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

.DAY ONE...TODAY AND TONIGHT.
TORNADO.
	RISK...LIMITED.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING.

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

	AREA AT GREATEST RISK...NORTHEAST OKLAHOMA.

HEAVY RAIN.
	RISK...LIMITED.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING.

DISCUSSION...
STRONG TO SEVERE THUNDERSTORMS HAVE DEVELOPED THIS MORNING IN THE
VICINITY OF STATIONARY FRONT THAT LIES ACROSS NORTHEAST
OKLAHOMA AND NORTHWEST ARKANSAS. THESE THUNDERSTORMS ARE EXPECTED
TO LAST THROUGH THE EARLY AFTERNOON HOURS WITH LARGE HAIL AND
DAMAGING WINDS THE MAIN CONCERN. WIND FIELDS SUGGEST THAT A
WEAK TORNADO IS NOT OUT OF THE QUESTION.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
SPOTTER ACTIVATION MAY BE NEEDED.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.
MONDAY...THUNDERSTORM POTENTIAL.
TUESDAY...THUNDERSTORM POTENTIAL.
WEDNESDAY...NO HAZARDS.
THURSDAY...SEVERE THUNDERSTORM POTENTIAL.
FRIDAY...THUNDERSTORM POTENTIAL.
SATURDAY...NO HAZARDS.

EXTENDED DISCUSSION...
THE AREA WILL REMAIN IN THE MOIST AND UNSTABLE ATMOSPHERE FOR MUCH
OF THE WEEK. WITH WEAK BOUNDARIES REMAINING IN THE AREA A CHANCE OF
THUNDERSTORMS IS POSSIBLE NEARLY EVERY DAY THIS WEEK. LATER IN THE
WEEK A STRONG UPPER LEVEL SYSTEM WILL BE IN INFLUENCING THE REGION.

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

In the hours before

Local storm report, Jun 1, 9:36 AM CDT, 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
936 AM CDT SUN JUN 01 2008

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

0935 AM     HAIL             2 N SAPULPA             36.03N 96.11W
06/01/2008  E1.25 INCH       CREEK              OK   TRAINED SPOTTER

&&

PBS

Local storm report, Jun 1, 9:39 AM CDT, 17 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
939 AM CDT SUN JUN 01 2008

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

0937 AM     HAIL             SAPULPA                 36.00N 96.11W
06/01/2008  E1.75 INCH       CREEK              OK   AMATEUR RADIO

&&

PBS

Local storm report, Jun 1, 9:41 AM CDT, 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
941 AM CDT SUN JUN 01 2008

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

0940 AM     HAIL             2 N SCRAPER             36.12N 94.85W
06/01/2008  E1.50 INCH       CHEROKEE           OK   PUBLIC

&&

PBS

Local storm report, Jun 1, 9:47 AM CDT, 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
947 AM CDT SUN JUN 01 2008

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

0943 AM     TSTM WND GST     3 ENE PAWNEE            36.35N 96.75W
06/01/2008  M0 MPH           PAWNEE             OK   MESONET

            58.2 MPH

0943 AM     TSTM WND GST     3 ENE PAWNEE            36.35N 96.75W
06/01/2008  M58 MPH          PAWNEE             OK   MESONET

&&

PBS

Local storm report, Jun 1, 9:48 AM CDT, 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
948 AM CDT SUN JUN 01 2008

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

0948 AM     HAIL             GLENPOOL                35.96N 96.01W
06/01/2008  E1.75 INCH       TULSA              OK   AMATEUR RADIO

&&

PBS

Local storm report, Jun 1, 9:53 AM CDT, 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
953 AM CDT SUN JUN 01 2008

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

0935 AM     TSTM WND GST     3 ENE PAWNEE            36.35N 96.75W
06/01/2008  M66 MPH          PAWNEE             OK   MESONET

&&

PBS

The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 7:24 PM CDT	Tornado Warning	TSA	Osage	36 min
May 31, 7:26 PM CDT	Tornado Warning	TSA	Osage	34 min
May 31, 7:29 PM CDT	Tornado Warning	TSA	Osage	32 min
May 31, 7:59 PM CDT	Severe Thunderstorm Warning	TSA	Osage	26 min
May 31, 8:18 PM CDT	Special Weather Statement	TSA	Washington	57 min
May 31, 10:22 PM CDT	Severe Thunderstorm Warning	TSA	Osage	38 min
Jun 1, 12:42 AM CDT	Severe Thunderstorm Warning	TSA	Nowata, Washington	37 min
Jun 1, 3:11 AM CDT	Special Weather Statement	TSA	Craig	49 min
Jun 1, 3:26 AM CDT	Severe Thunderstorm Warning	TSA	Craig	34 min
Jun 1, 3:50 AM CDT	Special Weather Statement	TSA	Delaware	40 min
Jun 1, 4:12 AM CDT	Severe Thunderstorm Warning	TSA	Delaware	48 min
Jun 1, 6:16 AM CDT	Severe Thunderstorm Warning	TSA	Delaware	59 min
Jun 1, 7:07 AM CDT	Severe Thunderstorm Warning	TSA	Osage	53 min
Jun 1, 7:46 AM CDT	Special Weather Statement	TSA	Washington	44 min
Jun 1, 7:54 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	66 min
Jun 1, 8:09 AM CDT	Severe Thunderstorm Warning	TSA	Nowata, Rogers, Washington	66 min
Jun 1, 8:35 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee, Tulsa	55 min
Jun 1, 9:15 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee	45 min
Jun 1, 9:15 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee	60 min
Jun 1, 9:16 AM CDT	Severe Thunderstorm Warning	TSA	Mayes, Rogers	32 min
Jun 1, 9:33 AM CDT	Severe Thunderstorm Warning	TSA	Creek, McIntosh, Muskogee, Okmulgee, Tulsa, Wagoner	51 min
Jun 1, 9:54 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Okmulgee, Osage, Pawnee, Tulsa	66 min
Jun 1, 10:23 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Rogers, Tulsa, Washington	67 min
Jun 1, 10:28 AM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Creek, McIntosh, Mayes, Muskogee, Okfuskee and 4 more	77 min
Jun 1, 10:50 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Delaware, Muskogee	55 min
Jun 1, 10:51 AM CDT	Flash Flood Warning	TSA	Adair, Cherokee, Craig, Delaware, Mayes, Muskogee and 4 more	3 hr
Jun 1, 11:06 AM CDT	Severe Thunderstorm Warning	TSA	Mayes	39 min
Jun 1, 11:31 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Haskell, Latimer, LeFlore, McIntosh and 3 more	59 min
Jun 1, 11:58 AM CDT	Severe Thunderstorm Warning	TSA	Latimer, LeFlore, Sequoyah	62 min
Jun 1, 12:44 PM CDT	Flash Flood Warning	TSA	LeFlore	3 hr
Jun 1, 2:22 PM CDT	River Flood Warning	TSA	Ottawa	48 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.