Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 21, NWS Tulsa, OK

April 6, 20104 counties in Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 6, 2010, 11:53 PM CDT for 4 counties in Oklahoma. It was in force for 52 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 6, 2010, 11:53 PM CDT (04:53 UTC)
Expired: Apr 7, 2010, 12:45 AM CDT
In force: 52 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

Counties Craig County, OK, Nowata County, OK, Ottawa County, OK, Rogers County, OK

The radar

The Tulsa radar (KINX), 73 km from the middle of the area, began a volume at 04:54 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 watch it was issued in

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

Issued	Product	Office	Lasted
Apr 6, 8:53 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 4.9 hours before the alert went out and 128 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: 310 J/kg
Mixed-layer CIN: -251 J/kg
Mixed-layer LCL: 1151 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 197 m²/s²
0-3 km storm-relative helicity: 255 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

054 
WUUS54 KTSA 070453
SVRTSA
OKC035-105-115-131-070545-
/O.NEW.KTSA.SV.W.0021.100407T0453Z-100407T0545Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1153 PM CDT TUE APR 6 2010

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CRAIG COUNTY IN NORTHEAST OKLAHOMA
  EASTERN NOWATA COUNTY IN NORTHEAST OKLAHOMA
  WESTERN OTTAWA COUNTY IN NORTHEAST OKLAHOMA
  NORTHERN ROGERS COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 1245 AM CDT

* AT 1150 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 17 MILES NORTHEAST OF DELAWARE TO TALALA...MOVING
  EAST AT 45 MPH.

  STORM HAZARDS INCLUDE...
  WIND GUSTS TO 60 MPH...

* SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
  BLUEJACKET...COMMERCE...DELAWARE...NEW ALLUWE...NOWATA...TALALA...
  WATOVA...WELCH AND WHITE OAK.

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 292 AND 293.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A
STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

&&

LAT...LON 3669 9499 3649 9574 3700 9557 3700 9484
TIME...MOT...LOC 0454Z 254DEG 38KT 3699 9540 3654 9563

$$

1 follow-up statement

549 
WWUS54 KTSA 070528
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1228 AM CDT WED APR 7 2010

OKC105-131-070538-
/O.CAN.KTSA.SV.W.0021.000000T0000Z-100407T0545Z/
ROGERS OK-NOWATA OK-
1228 AM CDT WED APR 7 2010

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN NOWATA AND NORTHERN
ROGERS COUNTIES IS CANCELLED...

LAT...LON 3669 9499 3660 9536 3660 9543 3699 9534
      3700 9485
TIME...MOT...LOC 0528Z 253DEG 36KT 3699 9515 3664 9524

$$

OKC035-115-070545-
/O.CON.KTSA.SV.W.0021.000000T0000Z-100407T0545Z/
CRAIG OK-OTTAWA OK-
1228 AM CDT WED APR 7 2010

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN OTTAWA AND CRAIG
COUNTIES CONTINUES...

AT 1224 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 7 MILES NORTHEAST OF HOLLOW TO 12 MILES SOUTH OF
CENTRAILIA...MOVING EAST AT 40 MPH.

STORM HAZARDS INCLUDE...
WIND GUSTS TO 60 MPH...

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...PYRAMID
CORNERS...WELCH AND BLUEJACKET.

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 289 AND 293.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A
STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT FOR
WESTERN OTTAWA AND CRAIG COUNTIES.

&&

LAT...LON 3669 9499 3660 9536 3660 9543 3699 9534
      3700 9485
TIME...MOT...LOC 0528Z 253DEG 36KT 3699 9515 3664 9524

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 6, 8:51 PM CDT	Special Weather Statement	TSA	Osage	24 min
Apr 6, 9:37 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	53 min
Apr 6, 10:25 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee, Tulsa, Washington	65 min
Apr 6, 11:24 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Osage, Rogers, Washington	51 min
Apr 6, 11:29 PM CDT	Special Weather Statement	TSA	Creek, Rogers, Tulsa	61 min
Apr 6, 11:49 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Creek, Mayes, Osage, Rogers, Tulsa and 2 more	56 min
Apr 7, 12:12 AM CDT	Severe Thunderstorm Warning	TSA	Okfuskee, Okmulgee	26 min
Apr 7, 12:31 AM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Craig, Delaware, Mayes, Ottawa and 3 more	59 min
Apr 7, 12:50 AM CDT	Special Weather Statement	TSA	McIntosh	40 min
Apr 7, 1:22 AM CDT	Special Weather Statement	TSA	Haskell, McIntosh, Muskogee	53 min
Apr 7, 1:27 AM CDT	Special Weather Statement	TSA	Delaware	63 min
Apr 7, 2:14 AM CDT	Special Weather Statement	TSA	Adair	61 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2010 Every severe thunderstorm warning in 2010

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.