Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 49, NWS Tulsa, OK

March 14, 2008Delaware County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Mar 14, 2008, 10:57 PM CDT for Delaware County, Oklahoma. It was in force for 27 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Mar 14, 2008, 10:57 PM CDT (03:57 UTC)
Expired: Mar 14, 2008, 11:24 PM CDT
In force: 27 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

County Delaware County, OK

The radar

The Tulsa radar (KINX), 74 km from the middle of the area, began a volume at 03:56 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.

What was reported inside it

Time	Report	Where	Remark
Mar 14, 11:09 PM CDT	HAIL 0.88	5 N Colcord, OK

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 14, 8:17 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 4.0 hours before the alert went out and 103 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2558 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 175 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KTSA 150357
SVRTSA
OKC041-150445-
/O.NEW.KTSA.SV.W.0049.080315T0357Z-080315T0445Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1057 PM CDT FRI MAR 14 2008

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL DELAWARE COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 1145 PM CDT

* AT 1052 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY SIZE HAIL
  AND WINDS TO 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM CHLOETA TO JAY TO 12 MILES SOUTH OF JAY...MOVING
  NORTHEAST AT 40 MPH.

* SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...GROVE AND   
  JAY.

STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

LAT...LON 3662 9463 3628 9459 3631 9501 3641 9501
      3660 9502 3661 9499
TIME...MOT...LOC 0357Z 239DEG 47KT 3653 9494 3643 9477
          3629 9480

$$

1 follow-up statement

000 
WWUS54 KTSA 150424
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1124 PM CDT FRI MAR 14 2008

OKC041-150434-
/O.CAN.KTSA.SV.W.0049.000000T0000Z-080315T0445Z/
DELAWARE OK-
1124 PM CDT FRI MAR 14 2008

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL DELAWARE COUNTY IS
CANCELLED...

THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA...THEREFORE THE 
SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 4 AM.

LAT...LON 3662 9463 3628 9459 3631 9501 3641 9501
      3660 9502 3661 9499
TIME...MOT...LOC 0424Z 239DEG 47KT 3671 9456 3661 9439
          3647 9442

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 14, 7:59 PM CDT	Special Weather Statement	TSA	Pawnee	61 min
Mar 14, 8:50 PM CDT	Special Weather Statement	TSA	Pawnee	40 min
Mar 14, 8:55 PM CDT	Special Weather Statement	TSA	Tulsa	50 min
Mar 14, 9:28 PM CDT	Severe Thunderstorm Warning	TSA	Rogers, Tulsa, Wagoner	47 min
Mar 14, 10:00 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Mayes, Rogers, Wagoner	60 min
Mar 14, 10:27 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Delaware, Mayes, Muskogee, Wagoner	63 min
Mar 14, 11:06 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Sequoyah	54 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2008 Every severe thunderstorm warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.