Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 7, NWS Tulsa, OK

March 12, 2003Pawnee County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Mar 12, 2003, 8:37 PM CST for Pawnee County, Oklahoma. It was in force for 38 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 12, 2003, 8:37 PM CST (02:37 UTC)
Expired: Mar 12, 2003, 9:15 PM CST
In force: 38 min
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

County Pawnee County, OK

The radar

The Tulsa radar (KINX), 97 km from the middle of the area, began a volume at 02:41 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

Norman, OK (KOUN), launched 00:00Z, 2.6 hours before the alert went out and 137 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: 2180 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 1353 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 97 m²/s²
0-3 km storm-relative helicity: 163 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 5.2

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KTSA 130237
SVRTUL
OKC117-130315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
835 PM CST WED MAR 12 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  PAWNEE COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 915 PM CST

* AT 835 PM CST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 4
  MILES NORTHWEST OF MARAMEC...MOVING EAST AT 30 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...PAWNEE...
  TERLTON...HALLETT...MARAMEC AND CLEVELAND.

HAIL TO THE SIZE OF PENNIES AND WIND GUSTS TO 60 MPH CAN BE EXPECTED
IN THE WARNED AREA. STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE
STORM HAS PASSED.

LAT...LON 3637 9682 3618 9677 3619 9635 3632 9645

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 12, 10:00 PM CST	Severe Thunderstorm Warning	TSA	Creek	60 min
Mar 12, 10:25 PM CST	Severe Thunderstorm Warning	TSA	Craig, Ottawa	50 min
Mar 12, 11:14 PM CST	Severe Thunderstorm Warning	TSA	Ottawa	46 min
Mar 12, 11:23 PM CST	Severe Thunderstorm Warning	TSA	Okfuskee	52 min
Mar 12, 11:58 PM CST	Severe Thunderstorm Warning	TSA	McIntosh	47 min
Mar 13, 12:57 AM CST	Severe Thunderstorm Warning	TSA	Haskell, Latimer, Pittsburg, Pushmataha	48 min
Mar 13, 1:01 AM CST	Severe Thunderstorm Warning	TSA	Sequoyah	44 min
Mar 13, 1:26 AM CST	Severe Thunderstorm Warning	TSA	Choctaw	49 min
Mar 13, 1:36 AM CST	Severe Thunderstorm Warning	TSA	LeFlore	54 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2003 Every severe thunderstorm warning in 2003

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.