Alert archive / Oklahoma / Flash Flood Watches in 2008

Flash Flood Watch 12, NWS Tulsa, OK

June 15, 200815 counties in Oklahoma; 4 counties in Arkansas

NWS Tulsa, OK issued this flash flood watch at Jun 15, 2008, 12:19 PM CDT for 15 counties in Oklahoma; 4 counties in Arkansas. It took effect at Jun 15, 2008, 7:00 PM CDT. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued: Jun 15, 2008, 12:19 PM CDT (17:19 UTC)
In effect from: Jun 15, 2008, 7:00 PM CDT
Expired: Jun 16, 2008, 4:00 PM CDT
In force: 21 hr
Issued by: NWS Tulsa, OK
Flood severity: None

Counties Benton County, AR, Carroll County, AR, Madison County, AR, Washington County, AR, Adair County, OK, Cherokee County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Mayes County, OK, Muskogee County, OK, Nowata County, OK, Okmulgee County, OK, Ottawa County, OK, Pawnee County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 35 km from the middle of the area, began a volume at 17:20 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 12:00Z, 5.3 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: 510 J/kg
Mixed-layer CIN: -312 J/kg
Mixed-layer LCL: 1578 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 42 m²/s²
0-3 km storm-relative helicity: 29 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch 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 watch went out at Jun 15, 11:07 AM CDT, 1 hour 12 minutes earlier.

Area forecast discussion, Jun 15, 11:07 AM CDT, 1 hour 12 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

In the hours before

Local storm report, Jun 15, 7:16 AM CDT, 5 hours 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
716 AM CDT SUN JUN 15 2008

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

0640 AM     HAIL             CHELSEA                 36.54N 95.43W
06/15/2008  E0.75 INCH       ROGERS             OK   LAW ENFORCEMENT

&&

JDS

Special weather statement, Jun 15, 7:22 AM CDT, 4 hours 57 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
722 AM CDT SUN JUN 15 2008

OKZ068-069-151315-
ADAIR OK-CHEROKEE OK-
722 AM CDT SUN JUN 15 2008

...SIGNIFICANT WEATHER ALERT...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 815 AM CDT
FOR THE FOLLOWING COUNTIES...

IN NORTHEAST OKLAHOMA
     WESTERN ADAIR

IN EAST CENTRAL OKLAHOMA
     SOUTHERN CHEROKEE

AT 722 AM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 5 MILES
SOUTHWEST OF TAHLEQUAH...MOVING SOUTHEAST AT 23 MPH. SOME LOCATIONS
THAT WILL BE AFFECTED BY THIS STORM INCLUDE...TAHLEQUAH AND COOKSON.

THIS STORM WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO
40 MPH.

LAT...LON 3584 9474 3564 9487 3565 9490 3580 9513
      3582 9514 3582 9516 3583 9517 3600 9507
TIME...MOT...LOC 1222Z 307DEG 20KT 3587 9504

Special weather statement, Jun 15, 7:43 AM CDT, 4 hours 36 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
743 AM CDT SUN JUN 15 2008

OKZ057-061>063-151345-
CRAIG OK-DELAWARE OK-MAYES OK-ROGERS OK-
743 AM CDT SUN JUN 15 2008

...SIGNIFICANT WEATHER ALERT...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 845 AM CDT
FOR THE FOLLOWING COUNTIES...

IN NORTHEAST OKLAHOMA
     NORTHEASTERN ROGERS...WESTERN DELAWARE...SOUTHERN CRAIG AND
     NORTHEASTERN MAYES

AT 743 AM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 5 MILES
NORTHEAST OF CHELSEA...MOVING SOUTHEAST AT 21 MPH. SOME LOCATIONS
THAT WILL BE AFFECTED BY THIS STORM INCLUDE...CHLOETA...CHELSEA...
KETCHUM...BIG CABIN...WHITE OAK...SALINA...SPAVINAW...STRANG...
ADAIR...PENSACOLA...LANGLEY AND DISNEY.

THIS STORM WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO
40 MPH. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE
SIGNIFICANT WEATHER ALERT IS UPGRADED TO A WARNING.

LAT...LON 3670 9533 3645 9487 3617 9513 3658 9550
      3661 9546 3660 9543 3663 9543
TIME...MOT...LOC 1243Z 319DEG 18KT 3657 9535

Special weather statement, Jun 15, 7:52 AM CDT, 4 hours 27 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
752 AM CDT SUN JUN 15 2008

OKZ068-069-151345-
ADAIR OK-CHEROKEE OK-
752 AM CDT SUN JUN 15 2008

...SIGNIFICANT WEATHER ALERT...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 845 AM CDT
FOR THE FOLLOWING COUNTIES...

IN NORTHEAST OKLAHOMA
     ADAIR

IN EAST CENTRAL OKLAHOMA
     NORTHEASTERN CHEROKEE

AT 752 AM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 5 MILES
NORTH OF PROCTOR...MOVING SOUTHEAST AT 20 MPH. ANOTHER STRONG
THUNDERSTORM WAS INDICATED 5 MILES WEST OF TAHLEQUAH...ALSO MOVING
SOUTHEAST AT 20 MPH. SOME LOCATIONS THAT WILL BE AFFECTED BY THESE
STORMS
INCLUDE...MARIETTA...STILWELL...BARON...CHRISTIE...PROCTOR...WESTVILL
E...TAHLEQUAH...ELDON AND SCRAPER.

THIS STORM WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO
40 MPH.

LAT...LON 3606 9454 3575 9449 3567 9484 3595 9513
      3615 9479
TIME...MOT...LOC 1252Z 299DEG 15KT 3603 9475

Special weather statement, Jun 15, 8:59 AM CDT, 3 hours 20 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
859 AM CDT SUN JUN 15 2008

OKZ068-069-072-151445-
ADAIR OK-CHEROKEE OK-SEQUOYAH OK-
859 AM CDT SUN JUN 15 2008

...SIGNIFICANT WEATHER ALERT...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 945 AM CDT
FOR THE FOLLOWING COUNTIES...

IN NORTHEAST OKLAHOMA
     SOUTHWESTERN ADAIR

IN EAST CENTRAL OKLAHOMA
     SOUTHEASTERN CHEROKEE AND CENTRAL SEQUOYAH

AT 859 AM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 3 MILES
SOUTHWEST OF BUNCH...MOVING SOUTH AT 20 MPH. SOME LOCATIONS THAT WILL
BE AFFECTED BY THIS STORM INCLUDE...BUNCH...SALLISAW...BRUSHY AND
MARBLE CITY.

THIS STORM WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO
50 MPH.

LAT...LON 3550 9453 3539 9477 3567 9493 3576 9474
TIME...MOT...LOC 1359Z 339DEG 17KT 3563 9478

Special weather statement, Jun 15, 9:23 AM CDT, 2 hours 56 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
923 AM CDT SUN JUN 15 2008

ARZ029-OKZ072-076-151515-
LE FLORE OK-SEBASTIAN AR-SEQUOYAH OK-
923 AM CDT SUN JUN 15 2008

...SIGNIFICANT WEATHER ALERT...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 1015 AM CDT
FOR THE FOLLOWING COUNTIES...

IN WEST CENTRAL ARKANSAS
     NORTHWESTERN SEBASTIAN

IN EAST CENTRAL OKLAHOMA
     EASTERN SEQUOYAH

IN SOUTHEAST OKLAHOMA
     NORTHEASTERN LE FLORE

AT 923 AM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 5 MILES
NORTH OF MULDROW...MOVING SOUTHEAST AT 36 MPH. SOME LOCATIONS THAT
WILL BE AFFECTED BY THIS STORM INCLUDE...COTTONWOOD...MULDROW...
ROLAND...MOFFETT...ROCK ISLAND...POCOLA...SCULLYVILLE...BRADEN...
ARKOMA...MILL CREEK...FORT SMITH...HACKETT...JENSON...BONANZA...JENNY
LIND AND RYE HILL.

THIS STORM WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO
40 MPH.

LAT...LON 3512 9446 3550 9478 3561 9461 3544 9444
      3540 9443 3540 9442 3542 9442 3543 9442
      3526 9424
TIME...MOT...LOC 1423Z 323DEG 31KT 3547 9462

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 15, 12:13 AM CDT	River Flood Warning	TSA	Ottawa	26 hr
Jun 15, 4:46 AM CDT	Special Weather Statement	TSA	Washington	44 min
Jun 15, 5:03 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Washington	42 min
Jun 15, 5:45 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Washington	45 min
Jun 15, 5:48 AM CDT	Special Weather Statement	TSA	Nowata	42 min
Jun 15, 6:17 AM CDT	Special Weather Statement	TSA	Rogers	43 min
Jun 15, 6:18 AM CDT	Special Weather Statement	TSA	Mayes	42 min
Jun 15, 6:33 AM CDT	Severe Thunderstorm Warning	TSA	Mayes, Rogers	57 min
Jun 15, 6:41 AM CDT	Severe Thunderstorm Warning	TSA	Mayes, Rogers, Wagoner	50 min
Jun 15, 7:06 AM CDT	Special Weather Statement	TSA	Delaware	39 min
Jun 15, 7:07 AM CDT	Special Weather Statement	TSA	Craig	38 min
Jun 15, 7:22 AM CDT	Special Weather Statement	TSA	Cherokee	53 min
Jun 15, 7:43 AM CDT	Special Weather Statement	TSA	Mayes	62 min
Jun 15, 7:48 AM CDT	Severe Thunderstorm Warning	TSA	Craig, Mayes	57 min
Jun 15, 7:52 AM CDT	Special Weather Statement	TSA	Adair, Cherokee	53 min
Jun 15, 8:22 AM CDT	Severe Thunderstorm Warning	TSA	Adair	23 min
Jun 15, 8:59 AM CDT	Special Weather Statement	TSA	Sequoyah	46 min
Jun 15, 9:23 AM CDT	Special Weather Statement	TSA	Sequoyah	52 min
Jun 15, 9:36 AM CDT	Severe Thunderstorm Warning	TSA	LeFlore, Sequoyah	39 min
Jun 15, 2:39 PM CDT	River Flood Warning	TSA	Nowata	18 hr
Jun 15, 5:57 PM CDT	Severe Thunderstorm Warning	TSA	Ottawa	63 min
Jun 15, 6:39 PM CDT	Severe Thunderstorm Warning	TSA	Ottawa	67 min
Jun 15, 6:58 PM CDT	Flash Flood Warning	TSA	Ottawa	6 hr

Nearby

Flash Flood Watches in Oklahoma, 2008 Flash Flood Watches in Arkansas, 2008 Every flash flood watch 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.