Alert archive / Oklahoma / Special Weather Statements in 2012

Special Weather Statement, NWS Tulsa, OK

March 8, 2012Adair County, Cherokee County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Mar 8, 2012, 4:21 PM CST for Adair County, Cherokee County, Oklahoma. It was in force for 24 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
Mar 8, 2012, 4:21 PM CST (22:21 UTC)
Expired
Mar 8, 2012, 4:45 PM CST
In force
24 min
Issued by
NWS Tulsa, OK

Counties Adair County, OK, Cherokee County, OK

The radar

The Western Arkansas radar (KSRX), 75 km from the middle of the area, began a volume at 22:24 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, 10.4 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-pSkew-T log-p diagram, Springfield, MO at 12:00Z on 2012-03-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2012-03-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
458 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

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

140 
WWUS84 KTSA 082221
SPSTSA

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
421 PM CST THU MAR 8 2012

ARZ010-019-OKZ068>070-072-082245-
ADAIR OK-CHEROKEE OK-CRAWFORD AR-MUSKOGEE OK-SEQUOYAH OK-WASHINGTON
AR-
421 PM CST THU MAR 8 2012

...SIGNIFICANT WEATHER ADVISORY...

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 445 PM CST
FOR THE FOLLOWING COUNTIES...

IN NORTHWEST ARKANSAS
     NORTHWESTERN CRAWFORD AND SOUTHWESTERN WASHINGTON

IN EAST CENTRAL OKLAHOMA
     SOUTHERN CHEROKEE...NORTHEASTERN MUSKOGEE AND NORTHWESTERN
     SEQUOYAH

IN NORTHEAST OKLAHOMA
     ADAIR

AT 421 PM CST...THUNDERSTORMS WERE LOCATED ALONG A LINE EXTENDING 
FROM 6 MILES NORTH OF PUMPKIN CENTER TO 3 MILES SOUTH OF ELDON TO 4 
MILES SOUTHEAST OF BOX...MOVING NORTHEAST AT 60 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...BRUSHY
LAKE STATE PARK...MARBLE CITY...BUNCH...TAHLEQUAH...MARIETTA...
BARON...ADAIR STATE PARK...STILWELL...ELDON...PROCTOR...WESTVILLE...
CHRISTIE...CINCINNATI...LINCOLN AND WATTS.

THESE STORMS WILL BE CAPABLE OF PRODUCING DIME TO PENNY SIZE HAIL.

LAT...LON 3570 9430 3546 9503 3567 9514 3584 9525
      3585 9523 3588 9523 3614 9463 3612 9455
      3610 9455 3609 9439
TIME...MOT...LOC 2221Z 245DEG 53KT 3581 9507 3589 9483
          3556 9489

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 8, 11:13 AM CSTSpecial Weather StatementTSACherokee32 min
Mar 8, 2:55 PM CSTSpecial Weather StatementTSAPushmataha65 min
Mar 8, 3:01 PM CSTSevere Thunderstorm WarningTSALatimer, Pittsburg, Pushmataha59 min
Mar 8, 3:19 PM CSTSpecial Weather StatementTSAMcIntosh26 min
Mar 8, 3:40 PM CSTSevere Thunderstorm WarningTSALatimer, LeFlore, Pushmataha65 min
Mar 8, 3:59 PM CSTSpecial Weather StatementTSACherokee, Muskogee31 min
Mar 8, 4:47 PM CSTSpecial Weather StatementTSACreek28 min
Mar 8, 5:00 PM CSTSpecial Weather StatementTSALeFlore45 min
Mar 8, 5:33 PM CSTSpecial Weather StatementTSALeFlore42 min
Mar 8, 5:03 AM CSTSpecial Weather StatementTSASebastian42 min
Mar 8, 1:53 PM CSTSpecial Weather StatementTSASebastian37 min
Mar 8, 4:31 PM CSTSpecial Weather StatementTSASebastian29 min
Mar 8, 4:52 PM CSTSpecial Weather StatementTSABenton23 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.