Alert archive / Oklahoma / Special Weather Statements in 2012

Special Weather Statement, NWS Tulsa, OK

April 14, 2012Ottawa County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Apr 14, 2012, 5:19 AM CDT for Ottawa County, Oklahoma. It was in force for 26 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
Apr 14, 2012, 5:19 AM CDT (10:19 UTC)
Expired
Apr 14, 2012, 5:45 AM CDT
In force
26 min
Issued by
NWS Tulsa, OK

County Ottawa County, OK

The radar

The Tulsa radar (KINX), 105 km from the middle of the area, began a volume at 10:20 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 00:00Z, 10.3 hours before the alert went out and 88 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 2012-04-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 677 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 2012-04-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 square meters per square second.19395878Sfc1 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
677 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
838 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
202 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.1

Open this sounding in Storm Lab

The text

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

243 
WWUS84 KTSA 141019
SPSTSA

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
519 AM CDT SAT APR 14 2012

OKZ058-141045-
OTTAWA OK-
519 AM CDT SAT APR 14 2012

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 545 AM CDT
FOR THE FOLLOWING COUNTY...

IN NORTHEAST OKLAHOMA
     OTTAWA

AT 518 AM CDT...STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 14 MILES WEST OF COMMERCE TO 10 MILES NORTHWEST OF
NARCISSA TO 11 MILES WEST OF AFTON...MOVING EAST AT 45 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...AFTON...
NARCISSA...COMMERCE...MIAMI...PICHER...FAIRLAND...QUAPAW AND
WYANDOTTE.

THESE STORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS OF 40 TO 50 
MPH. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE 
SIGNIFICANT WEATHER ADVISORY IS UPGRADED TO A WARNING.

LAT...LON 3699 9461 3668 9461 3667 9462 3667 9499
      3694 9499 3699 9503 3701 9499 3700 9462
TIME...MOT...LOC 1018Z 255DEG 38KT 3700 9509 3688 9506
          3669 9513

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 8:44 PM CDTSpecial Weather StatementTSAOsage31 min
Apr 13, 9:16 PM CDTSpecial Weather StatementTSAOsage29 min
Apr 13, 9:42 PM CDTSpecial Weather StatementTSAOsage33 min
Apr 14, 12:35 AM CDTSpecial Weather StatementTSACreek25 min
Apr 14, 12:40 AM CDTSpecial Weather StatementTSAPawnee35 min
Apr 14, 1:18 AM CDTSpecial Weather StatementTSAPawnee57 min
Apr 14, 2:09 AM CDTSpecial Weather StatementTSAOsage, Pawnee66 min
Apr 14, 3:26 AM CDTSpecial Weather StatementTSACraig, Nowata64 min
Apr 14, 3:39 AM CDTTornado WarningTSAPawnee17 min
Apr 14, 3:52 AM CDTSpecial Weather StatementTSAWashington53 min
Apr 14, 4:08 AM CDTSevere Thunderstorm WarningTSANowata, Osage, Rogers, Washington52 min
Apr 14, 4:17 AM CDTSpecial Weather StatementTSACreek28 min
Apr 14, 4:28 AM CDTSevere Thunderstorm WarningTSACreek47 min
Apr 14, 4:54 AM CDTAreal Flood AdvisoryTSANowata, Osage, Washington111 min
Apr 14, 5:00 AM CDTSpecial Weather StatementTSACraig45 min
Apr 14, 5:09 AM CDTSpecial Weather StatementTSAPawnee36 min
Apr 14, 5:12 AM CDTSpecial Weather StatementTSACreek33 min
Apr 14, 5:41 AM CDTSpecial Weather StatementTSAPawnee49 min
Apr 14, 6:23 AM CDTSpecial Weather StatementTSARogers52 min
Apr 14, 6:32 AM CDTSevere Thunderstorm WarningTSACraig, Mayes, Nowata, Rogers, Tulsa, Washington43 min

Nearby

Special Weather Statements in Oklahoma, 2012Every special weather statement in 2012

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.