Alert archive / Oklahoma / Special Weather Statements in 2013

Special Weather Statement, NWS Tulsa, OK

July 21, 2013Ottawa County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Jul 21, 2013, 11:15 PM CDT for Ottawa County, Oklahoma. It was in force for 45 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
Jul 21, 2013, 11:15 PM CDT (04:15 UTC)
Expired
Jul 22, 2013, 12:00 AM CDT
In force
45 min
Issued by
NWS Tulsa, OK

County Ottawa County, OK

The radar

The Tulsa radar (KINX), 111 km from the middle of the area, began a volume at 04:16 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, 4.3 hours before the alert went out and 84 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 2013-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1113 joules per kilogram.LCLEL10008507005003002001001 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 2013-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 126 square meters per square second.193958Sfc1 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
1113 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
759 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
126 m²/s²
0-3 km storm-relative helicity
214 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.0

Open this sounding in Storm Lab

The text

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

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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 Jul 21, 9:08 PM CDT, 2 hours 7 minutes earlier.

Area forecast discussion, Jul 21, 9:08 PM CDT, 2 hours 7 minutes before
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Hazardous weather outlook, Jul 21, 7:39 PM CDT, 3 hours 36 minutes before
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In the hours before

Special weather statement, Jul 21, 10:35 PM CDT, 40 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1035 PM CDT SUN JUL 21 2013

OKZ058-220415-
OTTAWA OK-
1035 PM CDT SUN JUL 21 2013

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 1115 PM CDT
FOR THE FOLLOWING COUNTY...

IN NORTHEAST OKLAHOMA
     OTTAWA

AT 1035 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 3 MILES SOUTHWEST
OF COMMERCE...MOVING SOUTHEAST AT 15 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...MIAMI...COMMERCE...FAIRLAND...
NARCISSA...WYANDOTTE...OTTAWA...PEORIA...QUAPAW...CARDIN AND TWIN
BRIDGES STATE PARK.

THIS STORM WILL BE CAPABLE OF PRODUCING NICKEL SIZE HAIL AND WIND
GUSTS TO 50 MPH. THIS STORM WILL BE CAPABLE OF PRODUCING WIND GUSTS
TO 40 MPH.

LAT...LON 3689 9461 3666 9469 3682 9499 3701 9495
      3701 9489
TIME...MOT...LOC 0335Z 307DEG 14KT 3690 9492
Special weather statement, Jul 21, 11:12 PM CDT, 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1112 PM CDT SUN JUL 21 2013

OKZ058-063-220500-
DELAWARE OK-OTTAWA OK-
1112 PM CDT SUN JUL 21 2013

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL MIDNIGHT CDT
FOR THE FOLLOWING COUNTIES...

IN NORTHEAST OKLAHOMA
     NORTHEASTERN DELAWARE AND SOUTHERN OTTAWA

AT 1113 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 3 MILES NORTHEAST
OF FAIRLAND...MOVING SOUTHEAST AT 15 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...FAIRLAND...WYANDOTTE...TIFF CITY AND
TWIN BRIDGES STATE PARK.

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

LAT...LON 3673 9461 3666 9461 3659 9483 3682 9492
      3686 9477
TIME...MOT...LOC 0413Z 324DEG 14KT 3677 9481
Special weather statement, Jul 21, 11:15 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1115 PM CDT SUN JUL 21 2013

OKZ057-058-220500-
CRAIG OK-OTTAWA OK-
1115 PM CDT SUN JUL 21 2013

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL MIDNIGHT CDT
FOR THE FOLLOWING COUNTIES...

IN NORTHEAST OKLAHOMA
     NORTHEASTERN CRAIG AND NORTHERN OTTAWA

AT 1115 PM CDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 13 MILES WEST OF CARDIN TO 2 MILES EAST OF QUAPAW...
MOVING SOUTHEAST AT 15 MPH. SOME LOCATIONS THAT WILL BE AFFECTED BY
THESE STORMS INCLUDE...COMMERCE...OTTAWA...PEORIA...QUAPAW...CARDIN
AND PICHER.

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

LAT...LON 3700 9465 3691 9460 3681 9461 3680 9461
      3692 9503 3700 9512 3701 9469
TIME...MOT...LOC 0415Z 316DEG 11KT 3704 9507 3694 9475

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 10:35 PM CDTSpecial Weather StatementTSAOttawa40 min
Jul 21, 11:12 PM CDTSpecial Weather StatementTSAOttawa48 min
Jul 21, 11:51 PM CDTSevere Thunderstorm WarningTSAOttawa54 min
Jul 22, 12:46 AM CDTSpecial Weather StatementTSAOttawa44 min
Jul 22, 1:07 AM CDTSpecial Weather StatementTSAOttawa38 min
Jul 22, 1:27 AM CDTSevere Thunderstorm WarningTSAOttawa63 min
Jul 22, 9:11 AM CDTSpecial Weather StatementTSAOttawa34 min
Jul 22, 1:31 PM CDTSpecial Weather StatementTSACraig, Nowata44 min
Jul 22, 1:32 PM CDTSpecial Weather StatementTSATulsa28 min
Jul 22, 1:40 PM CDTAreal Flood AdvisoryTSATulsa65 min
Jul 22, 2:03 PM CDTSpecial Weather StatementTSAWagoner42 min
Jul 22, 2:15 PM CDTSpecial Weather StatementTSAOttawa45 min
Jul 22, 2:38 PM CDTSpecial Weather StatementTSAWagoner52 min
Jul 22, 2:55 PM CDTHeat AdvisoryTSAHaskell, McIntosh, Muskogee, Okfuskee, Okmulgee, Pittsburg4 hr
Jul 22, 3:14 PM CDTSpecial Weather StatementTSAHaskell46 min
Jul 22, 3:21 PM CDTSevere Thunderstorm WarningTSACherokee, Muskogee, Wagoner39 min
Jul 22, 3:55 PM CDTSevere Thunderstorm WarningTSACherokee, Muskogee, Sequoyah50 min
Jul 22, 3:58 PM CDTSpecial Weather StatementTSALeFlore47 min
Jul 22, 4:11 PM CDTSevere Thunderstorm WarningTSALeFlore64 min
Jul 22, 4:39 PM CDTSpecial Weather StatementTSALeFlore36 min
Jul 22, 12:08 AM CDTSpecial Weather StatementTSACarroll67 min
Jul 22, 1:39 AM CDTSpecial Weather StatementTSAMadison36 min
Jul 22, 1:48 AM CDTSevere Thunderstorm WarningTSAMadison57 min
Jul 22, 2:19 AM CDTSevere Thunderstorm WarningTSAMadison, Washington41 min
Jul 22, 2:25 AM CDTFlash Flood WarningTSAMadison, Washington4 hr
Jul 22, 3:14 AM CDTSpecial Weather StatementTSAMadison31 min
Jul 22, 4:16 AM CDTSpecial Weather StatementTSACarroll44 min
Jul 22, 5:22 AM CDTSpecial Weather StatementTSACarroll23 min
Jul 22, 5:39 AM CDTAreal Flood AdvisoryTSABenton, Carroll, Madison, Washington2 hr
Jul 22, 6:56 AM CDTSpecial Weather StatementTSAMadison34 min
Jul 22, 7:43 AM CDTAreal Flood AdvisoryTSABenton, Carroll, Madison2 hr
Jul 22, 9:42 AM CDTSpecial Weather StatementTSABenton33 min
Jul 22, 10:06 AM CDTSpecial Weather StatementTSABenton24 min
Jul 22, 10:30 AM CDTSpecial Weather StatementTSABenton45 min
Jul 22, 4:38 PM CDTSevere Thunderstorm WarningTSAFranklin22 min
Jul 22, 5:08 PM CDTSpecial Weather StatementTSAMadison37 min

Nearby

Special Weather Statements in Oklahoma, 2013Every special weather statement in 2013

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.