Alert archive / Oklahoma / Special Weather Statements in 2007

Special Weather Statement, NWS Tulsa, OK

June 30, 2007Delaware County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Jun 30, 2007, 7:47 PM CDT for Delaware County, Oklahoma. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 30, 2007, 7:47 PM CDT (00:47 UTC)
Expired
Jun 30, 2007, 8:15 PM CDT
In force
28 min
Issued by
NWS Tulsa, OK

County Delaware County, OK

The radar

The Tulsa radar (KINX), 70 km from the middle of the area, began a volume at 00:49 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, 0.8 hours before the alert went out and 109 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-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2007-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 262 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2007-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 123 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
262 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
803 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
123 m²/s²
0-3 km storm-relative helicity
210 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

<!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>

What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jun 30, 3:58 PM CDT, 3 hours 49 minutes earlier.

Area forecast discussion, Jun 30, 3:58 PM CDT, 3 hours 49 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
358 PM CDT SAT JUN 30 2007

.DISCUSSION...
THE PERSISTENT UPPER LOW OVER NORTHERN OKLAHOMA WILL REMAIN A
FACTOR FOR THE NEXT FEW DAYS AT LEAST. THIS SYSTEM MAY DRIFT A
LITTLE FURTHER NORTHEAST THIS EVENING BEFORE MAKING A U-TURN AND
HEADING BACK SOUTHWEST BEGINNING LATE TONIGHT AND CONTINUING INTO
NEXT WEEK AS AN UPPER RIDGE BUILDS TO ITS NORTH.

THE LOW LEVEL BOUNDARY JUST TO OUR NORTH WILL ONCE AGAIN BE THE
FOCUS FOR HEAVY TO EXCESSIVE RAINFALL OVERNIGHT INTO SUNDAY
MORNING WITH THIS BOUNDARY LIKELY SAGGING A BIT FURTHER SOUTH
OVERNIGHT. THE HEAVIEST RAIN MAY BE JUST TO OUR NORTH IN SOUTHEAST
KANSAS BUT STILL EXPECT SOME 1-3 INCH AMOUNTS IN NORTHEAST
OKLAHOMA TONIGHT AND SUNDAY WITH THE HIGHEST AMOUNTS NEAR THE
KANSAS AND MISSOURI BORDERS. THUS THE FLASH FLOOD WATCH WILL
REMAIN IN EFFECT THROUGH SUNDAY.

ANOTHER NIGHT OF HEAVY TO LOCALLY EXCESSIVE RAINFALL IS EXPECTED
AGAIN SUNDAY NIGHT BUT THIS TIME THE HIGHEST AMOUNTS WILL BE IN
OKLAHOMA. THE FLASH FLOOD WATCH MAY NEED TO BE EXTENDED IN TIME
AND ALSO IN SIZE BUT WILL LET THE MIDNIGHT SHIFT TAKE A CLOSER
LOOK AT THIS.

THE AFTERNOON HOURS BOTH SUNDAY AND MONDAY WILL FEATURE A REPEAT
OF THE SCATTERED CONVECTION WE ARE SEEING TODAY.

BY MONDAY NIGHT...THE SYSTEM SHOULD BE FAR ENOUGH TO OUR SOUTHWEST
TO KEEP MOST OF THE NIGHTTIME ACTIVITY SOUTH OF OUR AREA.
SCATTERED DAYTIME ACTIVITY WILL STILL BE POSSIBLE THROUGH MIDWEEK
BUT COVERAGE WILL BE DECREASING.

A WEAK COLD FRONT WILL MOVE ACROSS THE AREA THURSDAY KEEPING RAIN
CHANCES GOING BUT WE MAY FINALLY DRY OUT BY FRIDAY AND SATURDAY.
JUNE 7TH WAS THE LAST DAY WITHOUT RAIN SOMEWHERE IN OUR FORECAST
AREA.

AFTERNOON TEMPERATURES WILL RETURN TO NEAR NORMAL READINGS THIS
WEEK AS SUNSHINE BECOMES MORE ABUNDANT. STAYED NEAR GUIDANCE
TEMPERATURES THROUGHOUT THE FORECAST PERIOD.

&&

.PRELIMINARY POINT TEMPS/POPS...
TUL   71  82  70  85 /  80  70  60  50
FSM   71  84  69  86 /  80  70  70  70
MLC   69  82  70  85 /  60  70  70  60
BVO   69  82  68  84 /  80  70  50  40
FYV   68  79  65  83 /  90  70  60  60
BYV   66  79  64  81 /  90  70  50  50
MKO   70  82  70  85 /  80  70  70  60
MIO   69  81  66  84 /  90  70  40  40
F10   69  82  70  84 /  70  70  70  60
HHW   70  85  71  85 /  50  70  70  70

&&

.TSA WATCHES/WARNINGS/ADVISORIES...
OK...FLASH FLOOD WATCH UNTIL 7 PM SUNDAY FOR OKZ054-OKZ055-OKZ056-
     OKZ057-OKZ058-OKZ059-OKZ060-OKZ061-OKZ062-OKZ063-OKZ064-
     OKZ065-OKZ066-OKZ067.

AR...NONE.

&&

SHORT TERM...23
LONG TERM....05

PLATE
Hazardous weather outlook, Jun 30, 3:15 PM CDT, 4 hours 32 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

Special weather statement, Jun 30, 2:53 PM CDT, 4 hours 54 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
253 PM CDT SAT JUN 30 2007

ARZ001-302030-
BENTON AR-
253 PM CDT SAT JUN 30 2007

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 330 PM CDT
FOR THE FOLLOWING COUNTY:

IN NORTHWEST ARKANSAS
     NORTHERN BENTON

AT 253 PM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 2 MILES
SOUTH OF BENTONVILLE...MOVING NORTH AT 20 MPH. SOME LOCATIONS THAT
WILL BE AFFECTED BY THIS STORM INCLUDE...MILLER...HILL TOP...
BENTONVILLE...ROGERS...PEA RIDGE...GATEWAY...AVOCA...BELLA VISTA AND
GARFIELD.

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

LAT...LON 3632 9428 3632 9408 3649 9394 3651 9427
Special weather statement, Jun 30, 3:11 PM CDT, 4 hours 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
311 PM CDT SAT JUN 30 2007

ARZ020-302045-
FRANKLIN AR-
311 PM CDT SAT JUN 30 2007

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 345 PM CDT
FOR THE FOLLOWING COUNTY:

IN WEST CENTRAL ARKANSAS
     EASTERN FRANKLIN

AT 311 PM CDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A
LINE EXTENDING FROM WATALULA TO 3 MILES WEST OF DENNING...MOVING
NORTHEAST AT 20 MPH. SOME LOCATIONS THAT WILL BE AFFECTED BY THESE
STORMS INCLUDE...ALIX...TAFT...OZARK...DENNING...ALTUS...WATALULA...
MOUNTAIN TOP AND WIEDERKEHR VILLAGE.

THESE STORMS WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS
TO 50 MPH. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE
SIGNIFICANT WEATHER ALERT IS UPGRADED TO A WARNING.

LAT...LON 3557 9393 3540 9386 3540 9371 3571 9369
Special weather statement, Jun 30, 5:59 PM CDT, 1 hour 48 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
559 PM CDT SAT JUN 30 2007

OKZ068-070-302345-
CHEROKEE OK-MUSKOGEE OK-
559 PM CDT SAT JUN 30 2007

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 645 PM CDT
FOR THE FOLLOWING COUNTIES:

IN EAST CENTRAL OKLAHOMA
     NORTHEASTERN MUSKOGEE AND SOUTHWESTERN CHEROKEE

AT 559 PM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 2 MILES
WEST OF BRAGGS...MOVING NORTH AT 20 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...PUMPKIN CENTER...BRAGGS AND FORT
GIBSON.

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

LAT...LON 3562 9537 3557 9516 3587 9499 3594 9524
Special weather statement, Jun 30, 6:00 PM CDT, 1 hour 47 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
600 PM CDT SAT JUN 30 2007

OKZ058-302330-
OTTAWA OK-
600 PM CDT SAT JUN 30 2007

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 630 PM CDT
FOR THE FOLLOWING COUNTY:

IN NORTHEAST OKLAHOMA
     NORTHERN OTTAWA

AT 600 PM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER
MIAMI...MOVING NORTH AT 20 MPH. SOME LOCATIONS THAT WILL BE AFFECTED
BY THIS STORM INCLUDE...MIAMI...COMMERCE...OTTAWA...QUAPAW...CARDIN
AND PICHER.

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

LAT...LON 3686 9496 3681 9477 3700 9465 3700 9490
Special weather statement, Jun 30, 7:47 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
747 PM CDT SAT JUN 30 2007

OKZ057-063-010115-
CRAIG OK-DELAWARE OK-
747 PM CDT SAT JUN 30 2007

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

IN NORTHEAST OKLAHOMA
     NORTHWESTERN DELAWARE AND SOUTHEASTERN CRAIG

AT 747 PM CDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A
LINE EXTENDING FROM 3 MILES NORTHWEST OF KETCHUM TO 2 MILES SOUTH OF
CLEORA TO 5 MILES SOUTHWEST OF ZENA...MOVING NORTHEAST AT 35 MPH.
SOME LOCATIONS THAT WILL BE AFFECTED BY THESE STORMS INCLUDE...
ZENA...CLEORA...GROVE...BERNICE AND KETCHUM.

THESE STORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 40 MPH.

LAT...LON 3652 9510 3647 9503 3641 9489 3665 9465
      3667 9484 3666 9503

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 9:12 PM CDTFlash Flood WarningTSAOsage6 hr
Jul 1, 3:43 AM CDTFlash Flood WarningTSALeFlore3 hr
Jul 1, 3:23 PM CDTSpecial Weather StatementTSALeFlore67 min
Jul 1, 4:34 PM CDTFlash Flood WarningTSACherokee, Wagoner4 hr
Jul 1, 4:41 PM CDTSpecial Weather StatementTSAPittsburg34 min
Jul 1, 5:11 PM CDTSpecial Weather StatementTSAPushmataha79 min
Jul 1, 5:53 PM CDTFlash Flood WarningTSAMayes4 hr
Jul 1, 6:02 PM CDTFlash Flood WarningTSALatimer, LeFlore, Pushmataha6 hr
Jul 1, 5:44 PM CDTFlash Flood WarningTSASebastian4 hr

Nearby

Special Weather Statements in Oklahoma, 2007Every special weather statement in 2007

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.